MobileCydia.mm

   1 /* Cydia - iPhone UIKit Front-End for Debian APT
   2  * Copyright (C) 2008-2013  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU General Public License, Version 3 {{{ */
   6 /*
   7  * Cydia is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published
   9  * by the Free Software Foundation, either version 3 of the License,
  10  * or (at your option) any later version.
  11  *
  12  * Cydia is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with Cydia.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 // XXX: wtf/FastMalloc.h... wtf?
  23 #define USE_SYSTEM_MALLOC 1
  24
  25 /* #include Directives {{{ */
  26 #include "CyteKit/UCPlatform.h"
  27 #include "CyteKit/Localize.h"
  28
  29 #include <objc/objc.h>
  30 #include <objc/runtime.h>
  31
  32 #include <CoreGraphics/CoreGraphics.h>
  33 #include <Foundation/Foundation.h>
  34
  35 #if 0
  36 #define DEPLOYMENT_TARGET_MACOSX 1
  37 #define CF_BUILDING_CF 1
  38 #include <CoreFoundation/CFInternal.h>
  39 #endif
  40
  41 #include <CoreFoundation/CFUniChar.h>
  42
  43 #include <SystemConfiguration/SystemConfiguration.h>
  44
  45 #include <UIKit/UIKit.h>
  46 #include "iPhonePrivate.h"
  47
  48 #include <IOKit/IOKitLib.h>
  49
  50 #include <QuartzCore/CALayer.h>
  51
  52 #include <WebCore/WebCoreThread.h>
  53 #include <WebKit/DOMHTMLIFrameElement.h>
  54
  55 #include <algorithm>
  56 #include <iomanip>
  57 #include <set>
  58 #include <sstream>
  59 #include <string>
  60
  61 #include <ext/stdio_filebuf.h>
  62
  63 #undef ABS
  64
  65 #include <apt-pkg/acquire.h>
  66 #include <apt-pkg/acquire-item.h>
  67 #include <apt-pkg/algorithms.h>
  68 #include <apt-pkg/cachefile.h>
  69 #include <apt-pkg/clean.h>
  70 #include <apt-pkg/configuration.h>
  71 #include <apt-pkg/debindexfile.h>
  72 #include <apt-pkg/debmetaindex.h>
  73 #include <apt-pkg/error.h>
  74 #include <apt-pkg/init.h>
  75 #include <apt-pkg/mmap.h>
  76 #include <apt-pkg/pkgrecords.h>
  77 #include <apt-pkg/sha1.h>
  78 #include <apt-pkg/sourcelist.h>
  79 #include <apt-pkg/sptr.h>
  80 #include <apt-pkg/strutl.h>
  81 #include <apt-pkg/tagfile.h>
  82
  83 #include <apr-1/apr_pools.h>
  84
  85 #include <sys/types.h>
  86 #include <sys/stat.h>
  87 #include <sys/sysctl.h>
  88 #include <sys/param.h>
  89 #include <sys/mount.h>
  90 #include <sys/reboot.h>
  91
  92 #include <fcntl.h>
  93 #include <notify.h>
  94 #include <dlfcn.h>
  95
  96 extern "C" {
  97 #include <mach-o/nlist.h>
  98 }
  99
 100 #include <cstdio>
 101 #include <cstdlib>
 102 #include <cstring>
 103
 104 #include <errno.h>
 105
 106 #include <Cytore.hpp>
 107 #include "Sources.h"
 108
 109 #include <CydiaSubstrate/CydiaSubstrate.h>
 110 #include "Menes/Menes.h"
 111
 112 #include "CyteKit/IndirectDelegate.h"
 113 #include "CyteKit/PerlCompatibleRegEx.hpp"
 114 #include "CyteKit/TableViewCell.h"
 115 #include "CyteKit/TabBarController.h"
 116 #include "CyteKit/WebScriptObject-Cyte.h"
 117 #include "CyteKit/WebViewController.h"
 118 #include "CyteKit/WebViewTableViewCell.h"
 119 #include "CyteKit/stringWithUTF8Bytes.h"
 120
 121 #include "Cydia/MIMEAddress.h"
 122 #include "Cydia/LoadingViewController.h"
 123 #include "Cydia/ProgressEvent.h"
 124
 125 #include "SDURLCache/SDURLCache.h"
 126 /* }}} */
 127
 128 /* Profiler {{{ */
 129 struct timeval _ltv;
 130 bool _itv;
 131
 132 #define _timestamp ({ \
 133     struct timeval tv; \
 134     gettimeofday(&tv, NULL); \
 135     tv.tv_sec * 1000000 + tv.tv_usec; \
 136 })
 137
 138 typedef std::vector<class ProfileTime *> TimeList;
 139 TimeList times_;
 140
 141 class ProfileTime {
 142   private:
 143     const char *name_;
 144     uint64_t total_;
 145     uint64_t count_;
 146
 147   public:
 148     ProfileTime(const char *name) :
 149         name_(name),
 150         total_(0)
 151     {
 152         times_.push_back(this);
 153     }
 154
 155     void AddTime(uint64_t time) {
 156         total_ += time;
 157         ++count_;
 158     }
 159
 160     void Print() {
 161         if (total_ != 0)
 162             std::cerr << std::setw(5) << count_ << ", " << std::setw(7) << total_ << " : " << name_ << std::endl;
 163         total_ = 0;
 164         count_ = 0;
 165     }
 166 };
 167
 168 class ProfileTimer {
 169   private:
 170     ProfileTime &time_;
 171     uint64_t start_;
 172
 173   public:
 174     ProfileTimer(ProfileTime &time) :
 175         time_(time),
 176         start_(_timestamp)
 177     {
 178     }
 179
 180     ~ProfileTimer() {
 181         time_.AddTime(_timestamp - start_);
 182     }
 183 };
 184
 185 void PrintTimes() {
 186     for (TimeList::const_iterator i(times_.begin()); i != times_.end(); ++i)
 187         (*i)->Print();
 188     std::cerr << "========" << std::endl;
 189 }
 190
 191 #define _profile(name) { \
 192     static ProfileTime name(#name); \
 193     ProfileTimer _ ## name(name);
 194
 195 #define _end }
 196 /* }}} */
 197
 198 // XXX: I hate clang. Apple: please get over your petty hatred of GPL and fix your gcc fork
 199 #define synchronized(lock) \
 200     synchronized(static_cast<NSObject *>(lock))
 201
 202 extern NSString *Cydia_;
 203
 204 #define lprintf(args...) fprintf(stderr, args)
 205
 206 #define ForRelease 1
 207 #define TraceLogging (1 && !ForRelease)
 208 #define HistogramInsertionSort (!ForRelease ? 0 : 0)
 209 #define ProfileTimes (0 && !ForRelease)
 210 #define ForSaurik (0 && !ForRelease)
 211 #define LogBrowser (0 && !ForRelease)
 212 #define TrackResize (0 && !ForRelease)
 213 #define ManualRefresh (1 && !ForRelease)
 214 #define ShowInternals (0 && !ForRelease)
 215 #define AlwaysReload (0 && !ForRelease)
 216 #define TryIndexedCollation (0 && !ForRelease)
 217
 218 #if !TraceLogging
 219 #undef _trace
 220 #define _trace(args...)
 221 #endif
 222
 223 #if !ProfileTimes
 224 #undef _profile
 225 #define _profile(name) {
 226 #undef _end
 227 #define _end }
 228 #define PrintTimes() do {} while (false)
 229 #endif
 230
 231 // Hash Functions/Structures {{{
 232 extern "C" uint32_t hashlittle(const void *key, size_t length, uint32_t initval = 0);
 233
 234 union SplitHash {
 235     uint32_t u32;
 236     uint16_t u16[2];
 237 };
 238 // }}}
 239
 240 static NSString *Colon_;
 241 NSString *Elision_;
 242 static NSString *Error_;
 243 static NSString *Warning_;
 244
 245 static NSString *Cache_;
 246
 247 static void (*$SBSSetInterceptsMenuButtonForever)(bool);
 248
 249 static CFStringRef (*$MGCopyAnswer)(CFStringRef);
 250
 251 static NSString *UniqueIdentifier(UIDevice *device = nil) {
 252     if (kCFCoreFoundationVersionNumber < 800) // iOS 7.x
 253         return [device ?: [UIDevice currentDevice] uniqueIdentifier];
 254     else
 255         return [(id)$MGCopyAnswer(CFSTR("UniqueDeviceID")) autorelease];
 256 }
 257
 258 static bool IsReachable(const char *name) {
 259     SCNetworkReachabilityFlags flags; {
 260         SCNetworkReachabilityRef reachability(SCNetworkReachabilityCreateWithName(kCFAllocatorDefault, name));
 261         SCNetworkReachabilityGetFlags(reachability, &flags);
 262         CFRelease(reachability);
 263     }
 264
 265     // XXX: this elaborate mess is what Apple is using to determine this? :(
 266     // XXX: do we care if the user has to intervene? maybe that's ok?
 267     return
 268         (flags & kSCNetworkReachabilityFlagsReachable) != 0 && (
 269             (flags & kSCNetworkReachabilityFlagsConnectionRequired) == 0 || (
 270                 (flags & kSCNetworkReachabilityFlagsConnectionOnDemand) != 0 ||
 271                 (flags & kSCNetworkReachabilityFlagsConnectionOnTraffic) != 0
 272             ) && (flags & kSCNetworkReachabilityFlagsInterventionRequired) == 0 ||
 273             (flags & kSCNetworkReachabilityFlagsIsWWAN) != 0
 274         )
 275     ;
 276 }
 277
 278 static const NSUInteger UIViewAutoresizingFlexibleBoth(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
 279
 280 static _finline NSString *CydiaURL(NSString *path) {
 281     char page[26];
 282     page[0] = 'h'; page[1] = 't'; page[2] = 't'; page[3] = 'p'; page[4] = 's';
 283     page[5] = ':'; page[6] = '/'; page[7] = '/'; page[8] = 'c'; page[9] = 'y';
 284     page[10] = 'd'; page[11] = 'i'; page[12] = 'a'; page[13] = '.'; page[14] = 's';
 285     page[15] = 'a'; page[16] = 'u'; page[17] = 'r'; page[18] = 'i'; page[19] = 'k';
 286     page[20] = '.'; page[21] = 'c'; page[22] = 'o'; page[23] = 'm'; page[24] = '/';
 287     page[25] = '\0';
 288     return [[NSString stringWithUTF8String:page] stringByAppendingString:path];
 289 }
 290
 291 static void ReapZombie(pid_t pid) {
 292     int status;
 293   wait:
 294     if (waitpid(pid, &status, 0) == -1)
 295         if (errno == EINTR)
 296             goto wait;
 297         else _assert(false);
 298 }
 299
 300 static _finline void UpdateExternalStatus(uint64_t newStatus) {
 301     int notify_token;
 302     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
 303         notify_set_state(notify_token, newStatus);
 304         notify_cancel(notify_token);
 305     }
 306     notify_post("com.saurik.Cydia.status");
 307 }
 308
 309 static CGFloat CYStatusBarHeight() {
 310     CGSize size([[UIApplication sharedApplication] statusBarFrame].size);
 311     return UIInterfaceOrientationIsPortrait([[UIApplication sharedApplication] statusBarOrientation]) ? size.height : size.width;
 312 }
 313
 314 /* NSForcedOrderingSearch doesn't work on the iPhone */
 315 static const NSStringCompareOptions MatchCompareOptions_ = NSLiteralSearch | NSCaseInsensitiveSearch;
 316 static const NSStringCompareOptions LaxCompareOptions_ = NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSCaseInsensitiveSearch;
 317 static const CFStringCompareFlags LaxCompareFlags_ = kCFCompareCaseInsensitive | kCFCompareNonliteral | kCFCompareLocalized | kCFCompareNumerically | kCFCompareWidthInsensitive | kCFCompareForcedOrdering;
 318
 319 /* Insertion Sort {{{ */
 320
 321 CFIndex SKBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 322     const char *ptr = (const char *)list;
 323     while (0 < count) {
 324         CFIndex half = count / 2;
 325         const char *probe = ptr + elementSize * half;
 326         CFComparisonResult cr = comparator(element, probe, context);
 327     if (0 == cr) return (probe - (const char *)list) / elementSize;
 328         ptr = (cr < 0) ? ptr : probe + elementSize;
 329         count = (cr < 0) ? half : (half + (count & 1) - 1);
 330     }
 331     return (ptr - (const char *)list) / elementSize;
 332 }
 333
 334 CFIndex CFBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 335     const char *ptr = (const char *)list;
 336     while (0 < count) {
 337         CFIndex half = count / 2;
 338         const char *probe = ptr + elementSize * half;
 339         CFComparisonResult cr = comparator(element, probe, context);
 340     if (0 == cr) return (probe - (const char *)list) / elementSize;
 341         ptr = (cr < 0) ? ptr : probe + elementSize;
 342         count = (cr < 0) ? half : (half + (count & 1) - 1);
 343     }
 344     return (ptr - (const char *)list) / elementSize;
 345 }
 346
 347 void CFArrayInsertionSortValues(CFMutableArrayRef array, CFRange range, CFComparatorFunction comparator, void *context) {
 348     if (range.length == 0)
 349         return;
 350     const void **values(new const void *[range.length]);
 351     CFArrayGetValues(array, range, values);
 352
 353 #if HistogramInsertionSort > 0
 354     uint32_t total(0), *offsets(new uint32_t[range.length]);
 355 #endif
 356
 357     for (CFIndex index(1); index != range.length; ++index) {
 358         const void *value(values[index]);
 359         //CFIndex correct(SKBSearch_(&value, sizeof(const void *), values, index, comparator, context));
 360         CFIndex correct(index);
 361         while (comparator(value, values[correct - 1], context) == kCFCompareLessThan) {
 362 #if HistogramInsertionSort > 1
 363             NSLog(@"%@ < %@", value, values[correct - 1]);
 364 #endif
 365             if (--correct == 0)
 366                 break;
 367         }
 368         if (correct != index) {
 369             size_t offset(index - correct);
 370 #if HistogramInsertionSort
 371             total += offset;
 372             ++offsets[offset];
 373             if (offset > 10)
 374                 NSLog(@"Heavy Insertion Displacement: %u = %@", offset, value);
 375 #endif
 376             memmove(values + correct + 1, values + correct, sizeof(const void *) * offset);
 377             values[correct] = value;
 378         }
 379     }
 380
 381     CFArrayReplaceValues(array, range, values, range.length);
 382     delete [] values;
 383
 384 #if HistogramInsertionSort > 0
 385     for (CFIndex index(0); index != range.length; ++index)
 386         if (offsets[index] != 0)
 387             NSLog(@"Insertion Displacement [%u]: %u", index, offsets[index]);
 388     NSLog(@"Average Insertion Displacement: %f", double(total) / range.length);
 389     delete [] offsets;
 390 #endif
 391 }
 392
 393 /* }}} */
 394
 395 /* Apple Bug Fixes {{{ */
 396 @implementation UIWebDocumentView (Cydia)
 397
 398 - (void) _setScrollerOffset:(CGPoint)offset {
 399     UIScroller *scroller([self _scroller]);
 400
 401     CGSize size([scroller contentSize]);
 402     CGSize bounds([scroller bounds].size);
 403
 404     CGPoint max;
 405     max.x = size.width - bounds.width;
 406     max.y = size.height - bounds.height;
 407
 408     // wtf Apple?!
 409     if (max.x < 0)
 410         max.x = 0;
 411     if (max.y < 0)
 412         max.y = 0;
 413
 414     offset.x = offset.x < 0 ? 0 : offset.x > max.x ? max.x : offset.x;
 415     offset.y = offset.y < 0 ? 0 : offset.y > max.y ? max.y : offset.y;
 416
 417     [scroller setOffset:offset];
 418 }
 419
 420 @end
 421 /* }}} */
 422
 423 NSUInteger DOMNodeList$countByEnumeratingWithState$objects$count$(DOMNodeList *self, SEL sel, NSFastEnumerationState *state, id *objects, NSUInteger count) {
 424     size_t length([self length] - state->state);
 425     if (length <= 0)
 426         return 0;
 427     else if (length > count)
 428         length = count;
 429     for (size_t i(0); i != length; ++i)
 430         objects[i] = [self item:state->state++];
 431     state->itemsPtr = objects;
 432     state->mutationsPtr = (unsigned long *) self;
 433     return length;
 434 }
 435
 436 /* Cydia NSString Additions {{{ */
 437 @interface NSString (Cydia)
 438 - (NSComparisonResult) compareByPath:(NSString *)other;
 439 - (NSString *) stringByAddingPercentEscapesIncludingReserved;
 440 @end
 441
 442 @implementation NSString (Cydia)
 443
 444 - (NSComparisonResult) compareByPath:(NSString *)other {
 445     NSString *prefix = [self commonPrefixWithString:other options:0];
 446     size_t length = [prefix length];
 447
 448     NSRange lrange = NSMakeRange(length, [self length] - length);
 449     NSRange rrange = NSMakeRange(length, [other length] - length);
 450
 451     lrange = [self rangeOfString:@"/" options:0 range:lrange];
 452     rrange = [other rangeOfString:@"/" options:0 range:rrange];
 453
 454     NSComparisonResult value;
 455
 456     if (lrange.location == NSNotFound && rrange.location == NSNotFound)
 457         value = NSOrderedSame;
 458     else if (lrange.location == NSNotFound)
 459         value = NSOrderedAscending;
 460     else if (rrange.location == NSNotFound)
 461         value = NSOrderedDescending;
 462     else
 463         value = NSOrderedSame;
 464
 465     NSString *lpath = lrange.location == NSNotFound ? [self substringFromIndex:length] :
 466         [self substringWithRange:NSMakeRange(length, lrange.location - length)];
 467     NSString *rpath = rrange.location == NSNotFound ? [other substringFromIndex:length] :
 468         [other substringWithRange:NSMakeRange(length, rrange.location - length)];
 469
 470     NSComparisonResult result = [lpath compare:rpath];
 471     return result == NSOrderedSame ? value : result;
 472 }
 473
 474 - (NSString *) stringByAddingPercentEscapesIncludingReserved {
 475     return [(id)CFURLCreateStringByAddingPercentEscapes(
 476         kCFAllocatorDefault,
 477         (CFStringRef) self,
 478         NULL,
 479         CFSTR(";/?:@&=+$,"),
 480         kCFStringEncodingUTF8
 481     ) autorelease];
 482 }
 483
 484 @end
 485 /* }}} */
 486
 487 /* C++ NSString Wrapper Cache {{{ */
 488 static _finline CFStringRef CYStringCreate(const char *data, size_t size) {
 489     return size == 0 ? NULL :
 490         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingUTF8, NO, kCFAllocatorNull) ?:
 491         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingISOLatin1, NO, kCFAllocatorNull);
 492 }
 493
 494 static _finline CFStringRef CYStringCreate(const char *data) {
 495     return CYStringCreate(data, strlen(data));
 496 }
 497
 498 class CYString {
 499   private:
 500     char *data_;
 501     size_t size_;
 502     CFStringRef cache_;
 503
 504     _finline void clear_() {
 505         if (cache_ != NULL) {
 506             CFRelease(cache_);
 507             cache_ = NULL;
 508         }
 509     }
 510
 511   public:
 512     _finline bool empty() const {
 513         return size_ == 0;
 514     }
 515
 516     _finline size_t size() const {
 517         return size_;
 518     }
 519
 520     _finline char *data() const {
 521         return data_;
 522     }
 523
 524     _finline void clear() {
 525         size_ = 0;
 526         clear_();
 527     }
 528
 529     _finline CYString() :
 530         data_(0),
 531         size_(0),
 532         cache_(NULL)
 533     {
 534     }
 535
 536     _finline ~CYString() {
 537         clear_();
 538     }
 539
 540     void operator =(const CYString &rhs) {
 541         data_ = rhs.data_;
 542         size_ = rhs.size_;
 543
 544         if (rhs.cache_ == nil)
 545             cache_ = NULL;
 546         else
 547             cache_ = reinterpret_cast<CFStringRef>(CFRetain(rhs.cache_));
 548     }
 549
 550     void copy(apr_pool_t *pool) {
 551         char *temp(reinterpret_cast<char *>(apr_palloc(pool, size_ + 1)));
 552         memcpy(temp, data_, size_);
 553         temp[size_] = '\0';
 554         data_ = temp;
 555     }
 556
 557     void set(apr_pool_t *pool, const char *data, size_t size) {
 558         if (size == 0)
 559             clear();
 560         else {
 561             clear_();
 562
 563             data_ = const_cast<char *>(data);
 564             size_ = size;
 565
 566             if (pool != NULL)
 567                 copy(pool);
 568         }
 569     }
 570
 571     _finline void set(apr_pool_t *pool, const char *data) {
 572         set(pool, data, data == NULL ? 0 : strlen(data));
 573     }
 574
 575     _finline void set(apr_pool_t *pool, const std::string &rhs) {
 576         set(pool, rhs.data(), rhs.size());
 577     }
 578
 579     bool operator ==(const CYString &rhs) const {
 580         return size_ == rhs.size_ && memcmp(data_, rhs.data_, size_) == 0;
 581     }
 582
 583     _finline operator CFStringRef() {
 584         if (cache_ == NULL)
 585             cache_ = CYStringCreate(data_, size_);
 586         return cache_;
 587     }
 588
 589     _finline operator id() {
 590         return (NSString *) static_cast<CFStringRef>(*this);
 591     }
 592
 593     _finline operator const char *() {
 594         return reinterpret_cast<const char *>(data_);
 595     }
 596 };
 597 /* }}} */
 598 /* C++ NSString Algorithm Adapters {{{ */
 599 extern "C" {
 600     CF_EXPORT CFHashCode CFStringHashNSString(CFStringRef str);
 601 }
 602
 603 struct NSStringMapHash :
 604     std::unary_function<NSString *, size_t>
 605 {
 606     _finline size_t operator ()(NSString *value) const {
 607         return CFStringHashNSString((CFStringRef) value);
 608     }
 609 };
 610
 611 struct NSStringMapLess :
 612     std::binary_function<NSString *, NSString *, bool>
 613 {
 614     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 615         return [lhs compare:rhs] == NSOrderedAscending;
 616     }
 617 };
 618
 619 struct NSStringMapEqual :
 620     std::binary_function<NSString *, NSString *, bool>
 621 {
 622     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 623         return CFStringCompare((CFStringRef) lhs, (CFStringRef) rhs, 0) == kCFCompareEqualTo;
 624         //CFEqual((CFTypeRef) lhs, (CFTypeRef) rhs);
 625         //[lhs isEqualToString:rhs];
 626     }
 627 };
 628 /* }}} */
 629
 630 /* CoreGraphics Primitives {{{ */
 631 class CYColor {
 632   private:
 633     CGColorRef color_;
 634
 635     static CGColorRef Create_(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 636         CGFloat color[] = {red, green, blue, alpha};
 637         return CGColorCreate(space, color);
 638     }
 639
 640   public:
 641     CYColor() :
 642         color_(NULL)
 643     {
 644     }
 645
 646     CYColor(CGColorSpaceRef space, float red, float green, float blue, float alpha) :
 647         color_(Create_(space, red, green, blue, alpha))
 648     {
 649         Set(space, red, green, blue, alpha);
 650     }
 651
 652     void Clear() {
 653         if (color_ != NULL)
 654             CGColorRelease(color_);
 655     }
 656
 657     ~CYColor() {
 658         Clear();
 659     }
 660
 661     void Set(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 662         Clear();
 663         color_ = Create_(space, red, green, blue, alpha);
 664     }
 665
 666     operator CGColorRef() {
 667         return color_;
 668     }
 669 };
 670 /* }}} */
 671
 672 /* Random Global Variables {{{ */
 673 static int PulseInterval_ = 500000;
 674
 675 static const NSString *UI_;
 676
 677 static int Finish_;
 678 static bool RestartSubstrate_;
 679 static NSArray *Finishes_;
 680
 681 #define SpringBoard_ "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
 682 #define NotifyConfig_ "/etc/notify.conf"
 683
 684 static bool Queuing_;
 685
 686 static CYColor Blue_;
 687 static CYColor Blueish_;
 688 static CYColor Black_;
 689 static CYColor Folder_;
 690 static CYColor Off_;
 691 static CYColor White_;
 692 static CYColor Gray_;
 693 static CYColor Green_;
 694 static CYColor Purple_;
 695 static CYColor Purplish_;
 696
 697 static UIColor *InstallingColor_;
 698 static UIColor *RemovingColor_;
 699
 700 static NSString *App_;
 701
 702 static BOOL Advanced_;
 703 static BOOL Ignored_;
 704
 705 static _H<UIFont> Font12_;
 706 static _H<UIFont> Font12Bold_;
 707 static _H<UIFont> Font14_;
 708 static _H<UIFont> Font18_;
 709 static _H<UIFont> Font18Bold_;
 710 static _H<UIFont> Font22Bold_;
 711
 712 static const char *Machine_ = NULL;
 713 static _H<NSString> System_;
 714 static NSString *SerialNumber_ = nil;
 715 static NSString *ChipID_ = nil;
 716 static NSString *BBSNum_ = nil;
 717 static _H<NSString> Token_;
 718 static _H<NSString> UniqueID_;
 719 static _H<NSString> UserAgent_;
 720 static _H<NSString> Product_;
 721 static _H<NSString> Safari_;
 722
 723 static CFLocaleRef Locale_;
 724 static NSArray *Languages_;
 725 static CGColorSpaceRef space_;
 726
 727 static NSDictionary *SectionMap_;
 728 static NSMutableDictionary *Metadata_;
 729 static _transient NSMutableDictionary *Settings_;
 730 static _transient NSMutableDictionary *Packages_;
 731 static _transient NSMutableDictionary *Values_;
 732 static _transient NSMutableDictionary *Sections_;
 733 _H<NSMutableDictionary> Sources_;
 734 static _transient NSNumber *Version_;
 735 bool Changed_;
 736 static time_t now_;
 737
 738 bool IsWildcat_;
 739 static CGFloat ScreenScale_;
 740 static NSString *Idiom_;
 741 static _H<NSString> Firmware_;
 742 static NSString *Major_;
 743
 744 static _H<NSMutableDictionary> SessionData_;
 745 static _H<NSObject> HostConfig_;
 746 static _H<NSMutableSet> BridgedHosts_;
 747 static _H<NSMutableSet> TokenHosts_;
 748 static _H<NSMutableSet> InsecureHosts_;
 749 static _H<NSMutableSet> PipelinedHosts_;
 750 static _H<NSMutableSet> CachedURLs_;
 751
 752 static NSString *kCydiaProgressEventTypeError = @"Error";
 753 static NSString *kCydiaProgressEventTypeInformation = @"Information";
 754 static NSString *kCydiaProgressEventTypeStatus = @"Status";
 755 static NSString *kCydiaProgressEventTypeWarning = @"Warning";
 756 /* }}} */
 757
 758 /* Display Helpers {{{ */
 759 inline float Interpolate(float begin, float end, float fraction) {
 760     return (end - begin) * fraction + begin;
 761 }
 762
 763 static _finline const char *StripVersion_(const char *version) {
 764     const char *colon(strchr(version, ':'));
 765     return colon == NULL ? version : colon + 1;
 766 }
 767
 768 NSString *LocalizeSection(NSString *section) {
 769     static Pcre title_r("^(.*?) \\((.*)\\)$");
 770     if (title_r(section)) {
 771         NSString *parent(title_r[1]);
 772         NSString *child(title_r[2]);
 773
 774         return [NSString stringWithFormat:UCLocalize("PARENTHETICAL"),
 775             LocalizeSection(parent),
 776             LocalizeSection(child)
 777         ];
 778     }
 779
 780     return [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
 781 }
 782
 783 NSString *Simplify(NSString *title) {
 784     const char *data = [title UTF8String];
 785     size_t size = [title length];
 786
 787     static Pcre square_r("^\\[(.*)\\]$");
 788     if (square_r(data, size))
 789         return Simplify(square_r[1]);
 790
 791     static Pcre paren_r("^\\((.*)\\)$");
 792     if (paren_r(data, size))
 793         return Simplify(paren_r[1]);
 794
 795     static Pcre title_r("^(.*?) \\((.*)\\)$");
 796     if (title_r(data, size))
 797         return Simplify(title_r[1]);
 798
 799     return title;
 800 }
 801 /* }}} */
 802
 803 NSString *GetLastUpdate() {
 804     NSDate *update = [Metadata_ objectForKey:@"LastUpdate"];
 805
 806     if (update == nil)
 807         return UCLocalize("NEVER_OR_UNKNOWN");
 808
 809     CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
 810     CFStringRef formatted = CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) update);
 811
 812     CFRelease(formatter);
 813
 814     return [(NSString *) formatted autorelease];
 815 }
 816
 817 bool isSectionVisible(NSString *section) {
 818     NSDictionary *metadata([Sections_ objectForKey:(section ?: @"")]);
 819     NSNumber *hidden(metadata == nil ? nil : [metadata objectForKey:@"Hidden"]);
 820     return hidden == nil || ![hidden boolValue];
 821 }
 822
 823 static NSObject *CYIOGetValue(const char *path, NSString *property) {
 824     io_registry_entry_t entry(IORegistryEntryFromPath(kIOMasterPortDefault, path));
 825     if (entry == MACH_PORT_NULL)
 826         return nil;
 827
 828     CFTypeRef value(IORegistryEntryCreateCFProperty(entry, (CFStringRef) property, kCFAllocatorDefault, 0));
 829     IOObjectRelease(entry);
 830
 831     if (value == NULL)
 832         return nil;
 833     return [(id) value autorelease];
 834 }
 835
 836 static NSString *CYHex(NSData *data, bool reverse = false) {
 837     if (data == nil)
 838         return nil;
 839
 840     size_t length([data length]);
 841     uint8_t bytes[length];
 842     [data getBytes:bytes];
 843
 844     char string[length * 2 + 1];
 845     for (size_t i(0); i != length; ++i)
 846         sprintf(string + i * 2, "%.2x", bytes[reverse ? length - i - 1 : i]);
 847
 848     return [NSString stringWithUTF8String:string];
 849 }
 850
 851 @class Cydia;
 852
 853 /* Delegate Prototypes {{{ */
 854 @class Package;
 855 @class Source;
 856 @class CydiaProgressEvent;
 857
 858 @protocol DatabaseDelegate
 859 - (void) repairWithSelector:(SEL)selector;
 860 - (void) setConfigurationData:(NSString *)data;
 861 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task;
 862 @end
 863
 864 @class CYPackageController;
 865
 866 @protocol SourceDelegate
 867 - (void) setFetch:(NSNumber *)fetch;
 868 @end
 869
 870 @protocol FetchDelegate
 871 - (bool) isSourceCancelled;
 872 - (void) startSourceFetch:(NSString *)uri;
 873 - (void) stopSourceFetch:(NSString *)uri;
 874 @end
 875
 876 @protocol CydiaDelegate
 877 - (void) returnToCydia;
 878 - (void) saveState;
 879 - (void) retainNetworkActivityIndicator;
 880 - (void) releaseNetworkActivityIndicator;
 881 - (void) clearPackage:(Package *)package;
 882 - (void) installPackage:(Package *)package;
 883 - (void) installPackages:(NSArray *)packages;
 884 - (void) removePackage:(Package *)package;
 885 - (void) beginUpdate;
 886 - (BOOL) updating;
 887 - (bool) requestUpdate;
 888 - (void) distUpgrade;
 889 - (void) loadData;
 890 - (void) updateData;
 891 - (void) _saveConfig;
 892 - (void) syncData;
 893 - (void) addSource:(NSDictionary *)source;
 894 - (void) addTrivialSource:(NSString *)href;
 895 - (UIProgressHUD *) addProgressHUD;
 896 - (void) removeProgressHUD:(UIProgressHUD *)hud;
 897 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item;
 898 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
 899 @end
 900 /* }}} */
 901
 902 /* CancelStatus {{{ */
 903 class CancelStatus :
 904     public pkgAcquireStatus
 905 {
 906   private:
 907     bool cancelled_;
 908
 909   public:
 910     CancelStatus() :
 911         cancelled_(false)
 912     {
 913     }
 914
 915     virtual bool MediaChange(std::string media, std::string drive) {
 916         return false;
 917     }
 918
 919     virtual void IMSHit(pkgAcquire::ItemDesc &item) {
 920         Done(item);
 921     }
 922
 923     virtual bool Pulse_(pkgAcquire *Owner) = 0;
 924
 925     virtual bool Pulse(pkgAcquire *Owner) {
 926         if (pkgAcquireStatus::Pulse(Owner) && Pulse_(Owner))
 927             return true;
 928         else {
 929             cancelled_ = true;
 930             return false;
 931         }
 932     }
 933
 934     _finline bool WasCancelled() const {
 935         return cancelled_;
 936     }
 937 };
 938 /* }}} */
 939 /* DelegateStatus {{{ */
 940 class CydiaStatus :
 941     public CancelStatus
 942 {
 943   private:
 944     _transient NSObject<ProgressDelegate> *delegate_;
 945
 946   public:
 947     CydiaStatus() :
 948         delegate_(nil)
 949     {
 950     }
 951
 952     void setDelegate(NSObject<ProgressDelegate> *delegate) {
 953         delegate_ = delegate;
 954     }
 955
 956     virtual void Fetch(pkgAcquire::ItemDesc &item) {
 957         NSString *name([NSString stringWithUTF8String:item.ShortDesc.c_str()]);
 958         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:UCLocalize("DOWNLOADING_"), name] ofType:kCydiaProgressEventTypeStatus forItem:item]);
 959         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
 960     }
 961
 962     virtual void Done(pkgAcquire::ItemDesc &item) {
 963         NSString *name([NSString stringWithUTF8String:item.ShortDesc.c_str()]);
 964         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:Colon_, UCLocalize("DONE"), name] ofType:kCydiaProgressEventTypeStatus forItem:item]);
 965         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
 966     }
 967
 968     virtual void Fail(pkgAcquire::ItemDesc &item) {
 969         if (
 970             item.Owner->Status == pkgAcquire::Item::StatIdle ||
 971             item.Owner->Status == pkgAcquire::Item::StatDone
 972         )
 973             return;
 974
 975         std::string &error(item.Owner->ErrorText);
 976         if (error.empty())
 977             return;
 978
 979         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:kCydiaProgressEventTypeError forItem:item]);
 980         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
 981     }
 982
 983     virtual bool Pulse_(pkgAcquire *Owner) {
 984         double percent(
 985             double(CurrentBytes + CurrentItems) /
 986             double(TotalBytes + TotalItems)
 987         );
 988
 989         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:[NSDictionary dictionaryWithObjectsAndKeys:
 990             [NSNumber numberWithDouble:percent], @"Percent",
 991
 992             [NSNumber numberWithDouble:CurrentBytes], @"Current",
 993             [NSNumber numberWithDouble:TotalBytes], @"Total",
 994             [NSNumber numberWithDouble:CurrentCPS], @"Speed",
 995         nil] waitUntilDone:YES];
 996
 997         return ![delegate_ isProgressCancelled];
 998     }
 999
1000     virtual void Start() {
1001         pkgAcquireStatus::Start();
1002         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:YES] waitUntilDone:YES];
1003     }
1004
1005     virtual void Stop() {
1006         pkgAcquireStatus::Stop();
1007         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:NO] waitUntilDone:YES];
1008         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:nil waitUntilDone:YES];
1009     }
1010 };
1011 /* }}} */
1012 /* Database Interface {{{ */
1013 typedef std::map< unsigned long, _H<Source> > SourceMap;
1014
1015 @interface Database : NSObject {
1016     NSZone *zone_;
1017     apr_pool_t *pool_;
1018
1019     unsigned era_;
1020
1021     pkgCacheFile cache_;
1022     pkgDepCache::Policy *policy_;
1023     pkgRecords *records_;
1024     pkgProblemResolver *resolver_;
1025     pkgAcquire *fetcher_;
1026     FileFd *lock_;
1027     SPtr<pkgPackageManager> manager_;
1028     pkgSourceList *list_;
1029
1030     SourceMap sourceMap_;
1031     _H<NSMutableArray> sourceList_;
1032
1033     CFMutableArrayRef packages_;
1034
1035     _transient NSObject<DatabaseDelegate> *delegate_;
1036     _transient NSObject<ProgressDelegate> *progress_;
1037
1038     CydiaStatus status_;
1039
1040     int cydiafd_;
1041     int statusfd_;
1042     FILE *input_;
1043
1044     std::map<const char *, _H<NSString> > sections_;
1045 }
1046
1047 + (Database *) sharedInstance;
1048 - (unsigned) era;
1049
1050 - (void) _readCydia:(NSNumber *)fd;
1051 - (void) _readStatus:(NSNumber *)fd;
1052 - (void) _readOutput:(NSNumber *)fd;
1053
1054 - (FILE *) input;
1055
1056 - (Package *) packageWithName:(NSString *)name;
1057
1058 - (pkgCacheFile &) cache;
1059 - (pkgDepCache::Policy *) policy;
1060 - (pkgRecords *) records;
1061 - (pkgProblemResolver *) resolver;
1062 - (pkgAcquire &) fetcher;
1063 - (pkgSourceList &) list;
1064 - (NSArray *) packages;
1065 - (NSArray *) sources;
1066 - (Source *) sourceWithKey:(NSString *)key;
1067 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1068
1069 - (void) configure;
1070 - (bool) prepare;
1071 - (void) perform;
1072 - (bool) upgrade;
1073 - (void) update;
1074
1075 - (void) updateWithStatus:(CancelStatus &)status;
1076
1077 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate;
1078
1079 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate;
1080 - (NSObject<ProgressDelegate> *) progressDelegate;
1081
1082 - (Source *) getSource:(pkgCache::PkgFileIterator)file;
1083 - (void) setFetch:(bool)fetch forURI:(const char *)uri;
1084 - (void) resetFetch;
1085
1086 - (NSString *) mappedSectionForPointer:(const char *)pointer;
1087
1088 @end
1089 /* }}} */
1090 /* SourceStatus {{{ */
1091 class SourceStatus :
1092     public CancelStatus
1093 {
1094   private:
1095     _transient NSObject<FetchDelegate> *delegate_;
1096     _transient Database *database_;
1097
1098   public:
1099     SourceStatus(NSObject<FetchDelegate> *delegate, Database *database) :
1100         delegate_(delegate),
1101         database_(database)
1102     {
1103     }
1104
1105     void Set(bool fetch, pkgAcquire::ItemDesc &desc) {
1106         desc.Owner->ID = 0;
1107         [database_ setFetch:fetch forURI:desc.Owner->DescURI().c_str()];
1108     }
1109
1110     virtual void Fetch(pkgAcquire::ItemDesc &desc) {
1111         Set(true, desc);
1112     }
1113
1114     virtual void Done(pkgAcquire::ItemDesc &desc) {
1115         Set(false, desc);
1116     }
1117
1118     virtual void Fail(pkgAcquire::ItemDesc &desc) {
1119         Set(false, desc);
1120     }
1121
1122     virtual bool Pulse_(pkgAcquire *Owner) {
1123         for (pkgAcquire::ItemCIterator item = Owner->ItemsBegin(); item != Owner->ItemsEnd(); ++item)
1124             if ((*item)->ID != 0);
1125             else if ((*item)->Status == pkgAcquire::Item::StatIdle) {
1126                 (*item)->ID = 1;
1127                 [database_ setFetch:true forURI:(*item)->DescURI().c_str()];
1128             } else (*item)->ID = 0;
1129         return ![delegate_ isSourceCancelled];
1130     }
1131
1132     virtual void Stop() {
1133         pkgAcquireStatus::Stop();
1134         [database_ resetFetch];
1135     }
1136 };
1137 /* }}} */
1138 /* ProgressEvent Implementation {{{ */
1139 @implementation CydiaProgressEvent
1140
1141 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type {
1142     return [[[CydiaProgressEvent alloc] initWithMessage:message ofType:type] autorelease];
1143 }
1144
1145 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package {
1146     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1147     [event setPackage:package];
1148     return event;
1149 }
1150
1151 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forItem:(pkgAcquire::ItemDesc &)item {
1152     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1153
1154     NSString *description([NSString stringWithUTF8String:item.Description.c_str()]);
1155     NSArray *fields([description componentsSeparatedByString:@" "]);
1156     [event setItem:fields];
1157
1158     if ([fields count] > 3) {
1159         [event setPackage:[fields objectAtIndex:2]];
1160         [event setVersion:[fields objectAtIndex:3]];
1161     }
1162
1163     [event setURL:[NSString stringWithUTF8String:item.URI.c_str()]];
1164
1165     return event;
1166 }
1167
1168 + (NSArray *) _attributeKeys {
1169     return [NSArray arrayWithObjects:
1170         @"item",
1171         @"message",
1172         @"package",
1173         @"type",
1174         @"url",
1175         @"version",
1176     nil];
1177 }
1178
1179 - (NSArray *) attributeKeys {
1180     return [[self class] _attributeKeys];
1181 }
1182
1183 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1184     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1185 }
1186
1187 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type {
1188     if ((self = [super init]) != nil) {
1189         message_ = message;
1190         type_ = type;
1191     } return self;
1192 }
1193
1194 - (NSString *) message {
1195     return message_;
1196 }
1197
1198 - (NSString *) type {
1199     return type_;
1200 }
1201
1202 - (NSArray *) item {
1203     return (id) item_ ?: [NSNull null];
1204 }
1205
1206 - (void) setItem:(NSArray *)item {
1207     item_ = item;
1208 }
1209
1210 - (NSString *) package {
1211     return (id) package_ ?: [NSNull null];
1212 }
1213
1214 - (void) setPackage:(NSString *)package {
1215     package_ = package;
1216 }
1217
1218 - (NSString *) url {
1219     return (id) url_ ?: [NSNull null];
1220 }
1221
1222 - (void) setURL:(NSString *)url {
1223     url_ = url;
1224 }
1225
1226 - (void) setVersion:(NSString *)version {
1227     version_ = version;
1228 }
1229
1230 - (NSString *) version {
1231     return (id) version_ ?: [NSNull null];
1232 }
1233
1234 - (NSString *) compound:(NSString *)value {
1235     if (value != nil) {
1236         NSString *mode(nil); {
1237             NSString *type([self type]);
1238             if ([type isEqualToString:kCydiaProgressEventTypeError])
1239                 mode = UCLocalize("ERROR");
1240             else if ([type isEqualToString:kCydiaProgressEventTypeWarning])
1241                 mode = UCLocalize("WARNING");
1242         }
1243
1244         if (mode != nil)
1245             value = [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), mode, value];
1246     }
1247
1248     return value;
1249 }
1250
1251 - (NSString *) compoundMessage {
1252     return [self compound:[self message]];
1253 }
1254
1255 - (NSString *) compoundTitle {
1256     NSString *title;
1257
1258     if (package_ == nil)
1259         title = nil;
1260     else if (Package *package = [[Database sharedInstance] packageWithName:package_])
1261         title = [package name];
1262     else
1263         title = package_;
1264
1265     return [self compound:title];
1266 }
1267
1268 @end
1269 /* }}} */
1270
1271 // Cytore Definitions {{{
1272 struct PackageValue :
1273     Cytore::Block
1274 {
1275     Cytore::Offset<PackageValue> next_;
1276
1277     uint32_t index_ : 23;
1278     uint32_t subscribed_ : 1;
1279     uint32_t : 8;
1280
1281     int32_t first_;
1282     int32_t last_;
1283
1284     uint16_t vhash_;
1285     uint16_t nhash_;
1286
1287     char version_[8];
1288     char name_[];
1289 };
1290
1291 struct MetaValue :
1292     Cytore::Block
1293 {
1294     uint32_t active_;
1295     Cytore::Offset<PackageValue> packages_[1 << 16];
1296 };
1297
1298 static Cytore::File<MetaValue> MetaFile_;
1299 // }}}
1300 // Cytore Helper Functions {{{
1301 static PackageValue *PackageFind(const char *name, size_t length, bool *fail = NULL) {
1302     SplitHash nhash = { hashlittle(name, length) };
1303
1304     PackageValue *metadata;
1305
1306     Cytore::Offset<PackageValue> *offset(&MetaFile_->packages_[nhash.u16[0]]);
1307     for (;; offset = &metadata->next_) { if (offset->IsNull()) {
1308         *offset = MetaFile_.New<PackageValue>(length + 1);
1309         metadata = &MetaFile_.Get(*offset);
1310
1311         if (metadata == NULL) {
1312             if (fail != NULL)
1313                 *fail = true;
1314
1315             metadata = new PackageValue();
1316             memset(metadata, 0, sizeof(*metadata));
1317         }
1318
1319         memcpy(metadata->name_, name, length);
1320         metadata->name_[length] = '\0';
1321         metadata->nhash_ = nhash.u16[1];
1322     } else {
1323         metadata = &MetaFile_.Get(*offset);
1324         if (metadata->nhash_ != nhash.u16[1])
1325             continue;
1326         if (strncmp(metadata->name_, name, length) != 0)
1327             continue;
1328         if (metadata->name_[length] != '\0')
1329             continue;
1330     } break; }
1331
1332     return metadata;
1333 }
1334
1335 static void PackageImport(const void *key, const void *value, void *context) {
1336     bool &fail(*reinterpret_cast<bool *>(context));
1337
1338     char buffer[1024];
1339     if (!CFStringGetCString((CFStringRef) key, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1340         NSLog(@"failed to import package %@", key);
1341         return;
1342     }
1343
1344     PackageValue *metadata(PackageFind(buffer, strlen(buffer), &fail));
1345     NSDictionary *package((NSDictionary *) value);
1346
1347     if (NSNumber *subscribed = [package objectForKey:@"IsSubscribed"])
1348         if ([subscribed boolValue] && !metadata->subscribed_)
1349             metadata->subscribed_ = true;
1350
1351     if (NSDate *date = [package objectForKey:@"FirstSeen"]) {
1352         time_t time([date timeIntervalSince1970]);
1353         if (metadata->first_ > time || metadata->first_ == 0)
1354             metadata->first_ = time;
1355     }
1356
1357     NSDate *date([package objectForKey:@"LastSeen"]);
1358     NSString *version([package objectForKey:@"LastVersion"]);
1359
1360     if (date != nil && version != nil) {
1361         time_t time([date timeIntervalSince1970]);
1362         if (metadata->last_ < time || metadata->last_ == 0)
1363             if (CFStringGetCString((CFStringRef) version, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1364                 size_t length(strlen(buffer));
1365                 uint16_t vhash(hashlittle(buffer, length));
1366
1367                 size_t capped(std::min<size_t>(8, length));
1368                 char *latest(buffer + length - capped);
1369
1370                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
1371                 metadata->vhash_ = vhash;
1372
1373                 metadata->last_ = time;
1374             }
1375     }
1376 }
1377 // }}}
1378
1379 /* Source Class {{{ */
1380 @interface Source : NSObject {
1381     unsigned era_;
1382     Database *database_;
1383     metaIndex *index_;
1384
1385     CYString depiction_;
1386     CYString description_;
1387     CYString label_;
1388     CYString origin_;
1389     CYString support_;
1390
1391     CYString uri_;
1392     CYString distribution_;
1393     CYString type_;
1394     CYString base_;
1395     CYString version_;
1396
1397     _H<NSString> host_;
1398     _H<NSString> authority_;
1399
1400     CYString defaultIcon_;
1401
1402     _H<NSMutableDictionary> record_;
1403     BOOL trusted_;
1404
1405     std::set<std::string> fetches_;
1406     std::set<std::string> files_;
1407     _transient NSObject<SourceDelegate> *delegate_;
1408 }
1409
1410 - (Source *) initWithMetaIndex:(metaIndex *)index forDatabase:(Database *)database inPool:(apr_pool_t *)pool;
1411
1412 - (NSComparisonResult) compareByName:(Source *)source;
1413
1414 - (NSString *) depictionForPackage:(NSString *)package;
1415 - (NSString *) supportForPackage:(NSString *)package;
1416
1417 - (metaIndex *) metaIndex;
1418 - (NSDictionary *) record;
1419 - (BOOL) trusted;
1420
1421 - (NSString *) rooturi;
1422 - (NSString *) distribution;
1423 - (NSString *) type;
1424
1425 - (NSString *) key;
1426 - (NSString *) host;
1427
1428 - (NSString *) name;
1429 - (NSString *) shortDescription;
1430 - (NSString *) label;
1431 - (NSString *) origin;
1432 - (NSString *) version;
1433
1434 - (NSString *) defaultIcon;
1435 - (NSURL *) iconURL;
1436
1437 - (void) setFetch:(bool)fetch forURI:(const char *)uri;
1438 - (void) resetFetch;
1439
1440 @end
1441
1442 @implementation Source
1443
1444 + (NSString *) webScriptNameForSelector:(SEL)selector {
1445     if (false);
1446     else if (selector == @selector(addSection:))
1447         return @"addSection";
1448     else if (selector == @selector(getField:))
1449         return @"getField";
1450     else if (selector == @selector(removeSection:))
1451         return @"removeSection";
1452     else if (selector == @selector(remove))
1453         return @"remove";
1454     else
1455         return nil;
1456 }
1457
1458 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
1459     return [self webScriptNameForSelector:selector] == nil;
1460 }
1461
1462 + (NSArray *) _attributeKeys {
1463     return [NSArray arrayWithObjects:
1464         @"baseuri",
1465         @"distribution",
1466         @"host",
1467         @"key",
1468         @"iconuri",
1469         @"label",
1470         @"name",
1471         @"origin",
1472         @"rooturi",
1473         @"sections",
1474         @"shortDescription",
1475         @"trusted",
1476         @"type",
1477         @"version",
1478     nil];
1479 }
1480
1481 - (NSArray *) attributeKeys {
1482     return [[self class] _attributeKeys];
1483 }
1484
1485 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1486     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1487 }
1488
1489 - (metaIndex *) metaIndex {
1490     return index_;
1491 }
1492
1493 - (void) setMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1494     trusted_ = index->IsTrusted();
1495
1496     uri_.set(pool, index->GetURI());
1497     distribution_.set(pool, index->GetDist());
1498     type_.set(pool, index->GetType());
1499
1500     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
1501     if (dindex != NULL) {
1502         std::string file(dindex->MetaIndexURI(""));
1503         base_.set(pool, file);
1504
1505         pkgAcquire acquire;
1506         dindex->GetIndexes(&acquire, true);
1507         for (pkgAcquire::ItemIterator item(acquire.ItemsBegin()); item != acquire.ItemsEnd(); item++) {
1508             std::string file((*item)->DescURI());
1509             files_.insert(file);
1510             if (file.length() < sizeof("Packages.bz2") || file.substr(file.length() - sizeof("Packages.bz2")) != "/Packages.bz2")
1511                 continue;
1512             file = file.substr(0, file.length() - 4);
1513             files_.insert(file);
1514             files_.insert(file + ".gz");
1515             files_.insert(file + "Index");
1516         }
1517
1518         FileFd fd;
1519         if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly))
1520             _error->Discard();
1521         else {
1522             pkgTagFile tags(&fd);
1523
1524             pkgTagSection section;
1525             tags.Step(section);
1526
1527             struct {
1528                 const char *name_;
1529                 CYString *value_;
1530             } names[] = {
1531                 {"default-icon", &defaultIcon_},
1532                 {"depiction", &depiction_},
1533                 {"description", &description_},
1534                 {"label", &label_},
1535                 {"origin", &origin_},
1536                 {"support", &support_},
1537                 {"version", &version_},
1538             };
1539
1540             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
1541                 const char *start, *end;
1542
1543                 if (section.Find(names[i].name_, start, end)) {
1544                     CYString &value(*names[i].value_);
1545                     value.set(pool, start, end - start);
1546                 }
1547             }
1548         }
1549     }
1550
1551     record_ = [Sources_ objectForKey:[self key]];
1552
1553     NSURL *url([NSURL URLWithString:uri_]);
1554
1555     host_ = [url host];
1556     if (host_ != nil)
1557         host_ = [host_ lowercaseString];
1558
1559     if (host_ != nil)
1560         authority_ = host_;
1561     else
1562         authority_ = [url path];
1563 }
1564
1565 - (Source *) initWithMetaIndex:(metaIndex *)index forDatabase:(Database *)database inPool:(apr_pool_t *)pool {
1566     if ((self = [super init]) != nil) {
1567         era_ = [database era];
1568         database_ = database;
1569         index_ = index;
1570
1571         [self setMetaIndex:index inPool:pool];
1572     } return self;
1573 }
1574
1575 - (NSString *) getField:(NSString *)name {
1576 @synchronized (database_) {
1577     if ([database_ era] != era_ || index_ == NULL)
1578         return nil;
1579
1580     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index_));
1581     if (dindex == NULL)
1582         return nil;
1583
1584     FileFd fd;
1585     if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly)) {
1586          _error->Discard();
1587          return nil;
1588     }
1589
1590     pkgTagFile tags(&fd);
1591
1592     pkgTagSection section;
1593     tags.Step(section);
1594
1595     const char *start, *end;
1596     if (!section.Find([name UTF8String], start, end))
1597         return (NSString *) [NSNull null];
1598
1599     return [NSString stringWithString:[(NSString *) CYStringCreate(start, end - start) autorelease]];
1600 } }
1601
1602 - (NSComparisonResult) compareByName:(Source *)source {
1603     NSString *lhs = [self name];
1604     NSString *rhs = [source name];
1605
1606     if ([lhs length] != 0 && [rhs length] != 0) {
1607         unichar lhc = [lhs characterAtIndex:0];
1608         unichar rhc = [rhs characterAtIndex:0];
1609
1610         if (isalpha(lhc) && !isalpha(rhc))
1611             return NSOrderedAscending;
1612         else if (!isalpha(lhc) && isalpha(rhc))
1613             return NSOrderedDescending;
1614     }
1615
1616     return [lhs compare:rhs options:LaxCompareOptions_];
1617 }
1618
1619 - (NSString *) depictionForPackage:(NSString *)package {
1620     return depiction_.empty() ? nil : [static_cast<id>(depiction_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1621 }
1622
1623 - (NSString *) supportForPackage:(NSString *)package {
1624     return support_.empty() ? nil : [static_cast<id>(support_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1625 }
1626
1627 - (NSArray *) sections {
1628     return record_ == nil ? (id) [NSNull null] : [record_ objectForKey:@"Sections"] ?: [NSArray array];
1629 }
1630
1631 - (void) _addSection:(NSString *)section {
1632     if (record_ == nil)
1633         return;
1634     else if (NSMutableArray *sections = [record_ objectForKey:@"Sections"]) {
1635         if (![sections containsObject:section]) {
1636             [sections addObject:section];
1637             Changed_ = true;
1638         }
1639     } else {
1640         [record_ setObject:[NSMutableArray arrayWithObject:section] forKey:@"Sections"];
1641         Changed_ = true;
1642     }
1643 }
1644
1645 - (bool) addSection:(NSString *)section {
1646     if (record_ == nil)
1647         return false;
1648
1649     [self performSelectorOnMainThread:@selector(_addSection:) withObject:section waitUntilDone:NO];
1650     return true;
1651 }
1652
1653 - (void) _removeSection:(NSString *)section {
1654     if (record_ == nil)
1655         return;
1656
1657     if (NSMutableArray *sections = [record_ objectForKey:@"Sections"])
1658         if ([sections containsObject:section]) {
1659             [sections removeObject:section];
1660             Changed_ = true;
1661         }
1662 }
1663
1664 - (bool) removeSection:(NSString *)section {
1665     if (record_ == nil)
1666         return false;
1667
1668     [self performSelectorOnMainThread:@selector(_removeSection:) withObject:section waitUntilDone:NO];
1669     return true;
1670 }
1671
1672 - (void) _remove {
1673     [Sources_ removeObjectForKey:[self key]];
1674     Changed_ = true;
1675 }
1676
1677 - (bool) remove {
1678     bool value(record_ != nil);
1679     [self performSelectorOnMainThread:@selector(_remove) withObject:nil waitUntilDone:NO];
1680     return value;
1681 }
1682
1683 - (NSDictionary *) record {
1684     return record_;
1685 }
1686
1687 - (BOOL) trusted {
1688     return trusted_;
1689 }
1690
1691 - (NSString *) rooturi {
1692     return uri_;
1693 }
1694
1695 - (NSString *) distribution {
1696     return distribution_;
1697 }
1698
1699 - (NSString *) type {
1700     return type_;
1701 }
1702
1703 - (NSString *) baseuri {
1704     return base_.empty() ? nil : (id) base_;
1705 }
1706
1707 - (NSString *) iconuri {
1708     if (NSString *base = [self baseuri])
1709         return [base stringByAppendingString:@"CydiaIcon.png"];
1710
1711     return nil;
1712 }
1713
1714 - (NSURL *) iconURL {
1715     if (NSString *uri = [self iconuri])
1716         return [NSURL URLWithString:uri];
1717     return nil;
1718 }
1719
1720 - (NSString *) key {
1721     return [NSString stringWithFormat:@"%@:%@:%@", (NSString *) type_, (NSString *) uri_, (NSString *) distribution_];
1722 }
1723
1724 - (NSString *) host {
1725     return host_;
1726 }
1727
1728 - (NSString *) name {
1729     return origin_.empty() ? (id) authority_ : origin_;
1730 }
1731
1732 - (NSString *) shortDescription {
1733     return description_;
1734 }
1735
1736 - (NSString *) label {
1737     return label_.empty() ? (id) authority_ : label_;
1738 }
1739
1740 - (NSString *) origin {
1741     return origin_;
1742 }
1743
1744 - (NSString *) version {
1745     return version_;
1746 }
1747
1748 - (NSString *) defaultIcon {
1749     return defaultIcon_;
1750 }
1751
1752 - (void) setDelegate:(NSObject<SourceDelegate> *)delegate {
1753     delegate_ = delegate;
1754 }
1755
1756 - (bool) fetch {
1757     return !fetches_.empty();
1758 }
1759
1760 - (void) setFetch:(bool)fetch forURI:(const char *)uri {
1761     if (!fetch) {
1762         if (fetches_.erase(uri) == 0)
1763             return;
1764     } else if (files_.find(uri) == files_.end())
1765         return;
1766     else if (!fetches_.insert(uri).second)
1767         return;
1768
1769     [delegate_ performSelectorOnMainThread:@selector(setFetch:) withObject:[NSNumber numberWithBool:[self fetch]] waitUntilDone:NO];
1770 }
1771
1772 - (void) resetFetch {
1773     fetches_.clear();
1774     [delegate_ performSelectorOnMainThread:@selector(setFetch:) withObject:[NSNumber numberWithBool:NO] waitUntilDone:NO];
1775 }
1776
1777 @end
1778 /* }}} */
1779 /* CydiaOperation Class {{{ */
1780 @interface CydiaOperation : NSObject {
1781     _H<NSString> operator_;
1782     _H<NSString> value_;
1783 }
1784
1785 - (NSString *) operator;
1786 - (NSString *) value;
1787
1788 @end
1789
1790 @implementation CydiaOperation
1791
1792 - (id) initWithOperator:(const char *)_operator value:(const char *)value {
1793     if ((self = [super init]) != nil) {
1794         operator_ = [NSString stringWithUTF8String:_operator];
1795         value_ = [NSString stringWithUTF8String:value];
1796     } return self;
1797 }
1798
1799 + (NSArray *) _attributeKeys {
1800     return [NSArray arrayWithObjects:
1801         @"operator",
1802         @"value",
1803     nil];
1804 }
1805
1806 - (NSArray *) attributeKeys {
1807     return [[self class] _attributeKeys];
1808 }
1809
1810 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1811     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1812 }
1813
1814 - (NSString *) operator {
1815     return operator_;
1816 }
1817
1818 - (NSString *) value {
1819     return value_;
1820 }
1821
1822 @end
1823 /* }}} */
1824 /* CydiaClause Class {{{ */
1825 @interface CydiaClause : NSObject {
1826     _H<NSString> package_;
1827     _H<CydiaOperation> version_;
1828 }
1829
1830 - (NSString *) package;
1831 - (CydiaOperation *) version;
1832
1833 @end
1834
1835 @implementation CydiaClause
1836
1837 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1838     if ((self = [super init]) != nil) {
1839         package_ = [NSString stringWithUTF8String:dep.TargetPkg().Name()];
1840
1841         if (const char *version = dep.TargetVer())
1842             version_ = [[[CydiaOperation alloc] initWithOperator:dep.CompType() value:version] autorelease];
1843         else
1844             version_ = (id) [NSNull null];
1845     } return self;
1846 }
1847
1848 + (NSArray *) _attributeKeys {
1849     return [NSArray arrayWithObjects:
1850         @"package",
1851         @"version",
1852     nil];
1853 }
1854
1855 - (NSArray *) attributeKeys {
1856     return [[self class] _attributeKeys];
1857 }
1858
1859 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1860     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1861 }
1862
1863 - (NSString *) package {
1864     return package_;
1865 }
1866
1867 - (CydiaOperation *) version {
1868     return version_;
1869 }
1870
1871 @end
1872 /* }}} */
1873 /* CydiaRelation Class {{{ */
1874 @interface CydiaRelation : NSObject {
1875     _H<NSString> relationship_;
1876     _H<NSMutableArray> clauses_;
1877 }
1878
1879 - (NSString *) relationship;
1880 - (NSArray *) clauses;
1881
1882 @end
1883
1884 @implementation CydiaRelation
1885
1886 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1887     if ((self = [super init]) != nil) {
1888         relationship_ = [NSString stringWithUTF8String:dep.DepType()];
1889         clauses_ = [NSMutableArray arrayWithCapacity:8];
1890
1891         pkgCache::DepIterator start;
1892         pkgCache::DepIterator end;
1893         dep.GlobOr(start, end); // ++dep
1894
1895         _forever {
1896             [clauses_ addObject:[[[CydiaClause alloc] initWithIterator:start] autorelease]];
1897
1898             // yes, seriously. (wtf?)
1899             if (start == end)
1900                 break;
1901             ++start;
1902         }
1903     } return self;
1904 }
1905
1906 + (NSArray *) _attributeKeys {
1907     return [NSArray arrayWithObjects:
1908         @"clauses",
1909         @"relationship",
1910     nil];
1911 }
1912
1913 - (NSArray *) attributeKeys {
1914     return [[self class] _attributeKeys];
1915 }
1916
1917 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1918     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1919 }
1920
1921 - (NSString *) relationship {
1922     return relationship_;
1923 }
1924
1925 - (NSArray *) clauses {
1926     return clauses_;
1927 }
1928
1929 - (void) addClause:(CydiaClause *)clause {
1930     [clauses_ addObject:clause];
1931 }
1932
1933 @end
1934 /* }}} */
1935 /* Package Class {{{ */
1936 struct ParsedPackage {
1937     CYString md5sum_;
1938     CYString tagline_;
1939
1940     CYString architecture_;
1941     CYString icon_;
1942
1943     CYString depiction_;
1944     CYString homepage_;
1945     CYString author_;
1946
1947     CYString support_;
1948 };
1949
1950 @interface Package : NSObject {
1951     uint32_t era_ : 25;
1952     @public uint32_t role_ : 3;
1953     uint32_t essential_ : 1;
1954     uint32_t obsolete_ : 1;
1955     uint32_t ignored_ : 1;
1956     uint32_t pooled_ : 1;
1957
1958     apr_pool_t *pool_;
1959
1960     uint32_t rank_;
1961
1962     _transient Database *database_;
1963
1964     pkgCache::VerIterator version_;
1965     pkgCache::PkgIterator iterator_;
1966     pkgCache::VerFileIterator file_;
1967
1968     CYString id_;
1969     CYString name_;
1970
1971     CYString latest_;
1972     CYString installed_;
1973     time_t updated_;
1974
1975     const char *section_;
1976     _transient NSString *section$_;
1977
1978     _H<Source> source_;
1979
1980     PackageValue *metadata_;
1981     ParsedPackage *parsed_;
1982
1983     _H<NSMutableArray> tags_;
1984 }
1985
1986 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
1987 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
1988
1989 - (pkgCache::PkgIterator) iterator;
1990 - (void) parse;
1991
1992 - (NSString *) section;
1993 - (NSString *) simpleSection;
1994
1995 - (NSString *) longSection;
1996 - (NSString *) shortSection;
1997
1998 - (NSString *) uri;
1999
2000 - (MIMEAddress *) maintainer;
2001 - (size_t) size;
2002 - (NSString *) longDescription;
2003 - (NSString *) shortDescription;
2004 - (unichar) index;
2005
2006 - (PackageValue *) metadata;
2007 - (time_t) seen;
2008
2009 - (bool) subscribed;
2010 - (bool) setSubscribed:(bool)subscribed;
2011
2012 - (BOOL) ignored;
2013
2014 - (NSString *) latest;
2015 - (NSString *) installed;
2016 - (BOOL) uninstalled;
2017
2018 - (BOOL) valid;
2019 - (BOOL) upgradableAndEssential:(BOOL)essential;
2020 - (BOOL) essential;
2021 - (BOOL) broken;
2022 - (BOOL) unfiltered;
2023 - (BOOL) visible;
2024
2025 - (BOOL) half;
2026 - (BOOL) halfConfigured;
2027 - (BOOL) halfInstalled;
2028 - (BOOL) hasMode;
2029 - (NSString *) mode;
2030
2031 - (NSString *) id;
2032 - (NSString *) name;
2033 - (UIImage *) icon;
2034 - (NSString *) homepage;
2035 - (NSString *) depiction;
2036 - (MIMEAddress *) author;
2037
2038 - (NSString *) support;
2039
2040 - (NSArray *) files;
2041 - (NSArray *) warnings;
2042 - (NSArray *) applications;
2043
2044 - (Source *) source;
2045
2046 - (uint32_t) rank;
2047 - (BOOL) matches:(NSArray *)query;
2048
2049 - (BOOL) hasTag:(NSString *)tag;
2050 - (NSString *) primaryPurpose;
2051 - (NSArray *) purposes;
2052 - (bool) isCommercial;
2053
2054 - (void) setIndex:(size_t)index;
2055
2056 - (CYString &) cyname;
2057
2058 - (uint32_t) compareBySection:(NSArray *)sections;
2059
2060 - (void) install;
2061 - (void) remove;
2062
2063 @end
2064
2065 uint32_t PackageChangesRadix(Package *self, void *) {
2066     union {
2067         uint32_t key;
2068
2069         struct {
2070             uint32_t timestamp : 30;
2071             uint32_t ignored : 1;
2072             uint32_t upgradable : 1;
2073         } bits;
2074     } value;
2075
2076     bool upgradable([self upgradableAndEssential:YES]);
2077     value.bits.upgradable = upgradable ? 1 : 0;
2078
2079     if (upgradable) {
2080         value.bits.timestamp = 0;
2081         value.bits.ignored = [self ignored] ? 0 : 1;
2082         value.bits.upgradable = 1;
2083     } else {
2084         value.bits.timestamp = [self seen] >> 2;
2085         value.bits.ignored = 0;
2086         value.bits.upgradable = 0;
2087     }
2088
2089     return _not(uint32_t) - value.key;
2090 }
2091
2092 uint32_t PackagePrefixRadix(Package *self, void *context) {
2093     size_t offset(reinterpret_cast<size_t>(context));
2094     CYString &name([self cyname]);
2095
2096     size_t size(name.size());
2097     if (size == 0)
2098         return 0;
2099     char *text(name.data());
2100
2101     size_t zeros;
2102     if (!isdigit(text[0]))
2103         zeros = 0;
2104     else {
2105         size_t digits(1);
2106         while (size != digits && isdigit(text[digits]))
2107             if (++digits == 4)
2108                 break;
2109         zeros = 4 - digits;
2110     }
2111
2112     uint8_t data[4];
2113
2114     if (offset == 0 && zeros != 0) {
2115         memset(data, '0', zeros);
2116         memcpy(data + zeros, text, 4 - zeros);
2117     } else {
2118         /* XXX: there's some danger here if you request a non-zero offset < 4 and it gets zero padded */
2119         if (size <= offset - zeros)
2120             return 0;
2121
2122         text += offset - zeros;
2123         size -= offset - zeros;
2124
2125         if (size >= 4)
2126             memcpy(data, text, 4);
2127         else {
2128             memcpy(data, text, size);
2129             memset(data + size, 0, 4 - size);
2130         }
2131
2132         for (size_t i(0); i != 4; ++i)
2133             if (isalpha(data[i]))
2134                 data[i] |= 0x20;
2135     }
2136
2137     if (offset == 0)
2138         if (data[0] == '@')
2139             data[0] = 0x7f;
2140         else
2141             data[0] = (data[0] & 0x1f) | "\x80\x00\xc0\x40"[data[0] >> 6];
2142
2143     /* XXX: ntohl may be more honest */
2144     return OSSwapInt32(*reinterpret_cast<uint32_t *>(data));
2145 }
2146
2147 CYString &(*PackageName)(Package *self, SEL sel);
2148
2149 CFComparisonResult PackageNameCompare(Package *lhs, Package *rhs, void *arg) {
2150     _profile(PackageNameCompare)
2151         CYString &lhi(PackageName(lhs, @selector(cyname)));
2152         CYString &rhi(PackageName(rhs, @selector(cyname)));
2153         CFStringRef lhn(lhi), rhn(rhi);
2154
2155         if (lhn == NULL)
2156             return rhn == NULL ? kCFCompareEqualTo : kCFCompareLessThan;
2157         else if (rhn == NULL)
2158             return kCFCompareGreaterThan;
2159
2160         _profile(PackageNameCompare$NumbersLast)
2161             if (!lhi.empty() && !rhi.empty()) {
2162                 UniChar lhc(CFStringGetCharacterAtIndex(lhn, 0));
2163                 UniChar rhc(CFStringGetCharacterAtIndex(rhn, 0));
2164                 bool lha(CFUniCharIsMemberOf(lhc, kCFUniCharLetterCharacterSet));
2165                 if (lha != CFUniCharIsMemberOf(rhc, kCFUniCharLetterCharacterSet))
2166                     return lha ? kCFCompareLessThan : kCFCompareGreaterThan;
2167             }
2168         _end
2169
2170         CFIndex length = CFStringGetLength(lhn);
2171
2172         _profile(PackageNameCompare$Compare)
2173             return CFStringCompareWithOptionsAndLocale(lhn, rhn, CFRangeMake(0, length), LaxCompareFlags_, Locale_);
2174         _end
2175     _end
2176 }
2177
2178 CFComparisonResult PackageNameCompare_(Package **lhs, Package **rhs, void *context) {
2179     return PackageNameCompare(*lhs, *rhs, context);
2180 }
2181
2182 struct PackageNameOrdering :
2183     std::binary_function<Package *, Package *, bool>
2184 {
2185     _finline bool operator ()(Package *lhs, Package *rhs) const {
2186         return PackageNameCompare(lhs, rhs, NULL) == kCFCompareLessThan;
2187     }
2188 };
2189
2190 @implementation Package
2191
2192 - (NSString *) description {
2193     return [NSString stringWithFormat:@"<Package:%@>", static_cast<NSString *>(name_)];
2194 }
2195
2196 - (void) dealloc {
2197     if (!pooled_)
2198         apr_pool_destroy(pool_);
2199     if (parsed_ != NULL)
2200         delete parsed_;
2201     [super dealloc];
2202 }
2203
2204 + (NSString *) webScriptNameForSelector:(SEL)selector {
2205     if (false);
2206     else if (selector == @selector(clear))
2207         return @"clear";
2208     else if (selector == @selector(getField:))
2209         return @"getField";
2210     else if (selector == @selector(getRecord))
2211         return @"getRecord";
2212     else if (selector == @selector(hasTag:))
2213         return @"hasTag";
2214     else if (selector == @selector(install))
2215         return @"install";
2216     else if (selector == @selector(remove))
2217         return @"remove";
2218     else
2219         return nil;
2220 }
2221
2222 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
2223     return [self webScriptNameForSelector:selector] == nil;
2224 }
2225
2226 + (NSArray *) _attributeKeys {
2227     return [NSArray arrayWithObjects:
2228         @"applications",
2229         @"architecture",
2230         @"author",
2231         @"depiction",
2232         @"essential",
2233         @"homepage",
2234         @"icon",
2235         @"id",
2236         @"installed",
2237         @"latest",
2238         @"longDescription",
2239         @"longSection",
2240         @"maintainer",
2241         @"md5sum",
2242         @"mode",
2243         @"name",
2244         @"purposes",
2245         @"relations",
2246         @"section",
2247         @"selection",
2248         @"shortDescription",
2249         @"shortSection",
2250         @"simpleSection",
2251         @"size",
2252         @"source",
2253         @"state",
2254         @"support",
2255         @"tags",
2256         @"warnings",
2257     nil];
2258 }
2259
2260 - (NSArray *) attributeKeys {
2261     return [[self class] _attributeKeys];
2262 }
2263
2264 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2265     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2266 }
2267
2268 - (NSArray *) relations {
2269 @synchronized (database_) {
2270     NSMutableArray *relations([NSMutableArray arrayWithCapacity:16]);
2271     for (pkgCache::DepIterator dep(version_.DependsList()); !dep.end(); ++dep)
2272         [relations addObject:[[[CydiaRelation alloc] initWithIterator:dep] autorelease]];
2273     return relations;
2274 } }
2275
2276 - (NSString *) architecture {
2277     [self parse];
2278 @synchronized (database_) {
2279     return parsed_->architecture_.empty() ? [NSNull null] : (id) parsed_->architecture_;
2280 } }
2281
2282 - (NSString *) getField:(NSString *)name {
2283 @synchronized (database_) {
2284     if ([database_ era] != era_ || file_.end())
2285         return nil;
2286
2287     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2288
2289     const char *start, *end;
2290     if (!parser.Find([name UTF8String], start, end))
2291         return (NSString *) [NSNull null];
2292
2293     return [NSString stringWithString:[(NSString *) CYStringCreate(start, end - start) autorelease]];
2294 } }
2295
2296 - (NSString *) getRecord {
2297 @synchronized (database_) {
2298     if ([database_ era] != era_ || file_.end())
2299         return nil;
2300
2301     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2302
2303     const char *start, *end;
2304     parser.GetRec(start, end);
2305
2306     return [NSString stringWithString:[(NSString *) CYStringCreate(start, end - start) autorelease]];
2307 } }
2308
2309 - (void) parse {
2310     if (parsed_ != NULL)
2311         return;
2312 @synchronized (database_) {
2313     if ([database_ era] != era_ || file_.end())
2314         return;
2315
2316     ParsedPackage *parsed(new ParsedPackage);
2317     parsed_ = parsed;
2318
2319     _profile(Package$parse)
2320         pkgRecords::Parser *parser;
2321
2322         _profile(Package$parse$Lookup)
2323             parser = &[database_ records]->Lookup(file_);
2324         _end
2325
2326         CYString bugs;
2327         CYString website;
2328
2329         _profile(Package$parse$Find)
2330             struct {
2331                 const char *name_;
2332                 CYString *value_;
2333             } names[] = {
2334                 {"architecture", &parsed->architecture_},
2335                 {"icon", &parsed->icon_},
2336                 {"depiction", &parsed->depiction_},
2337                 {"homepage", &parsed->homepage_},
2338                 {"website", &website},
2339                 {"bugs", &bugs},
2340                 {"support", &parsed->support_},
2341                 {"author", &parsed->author_},
2342                 {"md5sum", &parsed->md5sum_},
2343             };
2344
2345             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
2346                 const char *start, *end;
2347
2348                 if (parser->Find(names[i].name_, start, end)) {
2349                     CYString &value(*names[i].value_);
2350                     _profile(Package$parse$Value)
2351                         value.set(pool_, start, end - start);
2352                     _end
2353                 }
2354             }
2355         _end
2356
2357         _profile(Package$parse$Tagline)
2358             const char *start, *end;
2359             if (parser->ShortDesc(start, end)) {
2360                 const char *stop(reinterpret_cast<const char *>(memchr(start, '\n', end - start)));
2361                 if (stop == NULL)
2362                     stop = end;
2363                 while (stop != start && stop[-1] == '\r')
2364                     --stop;
2365                 parsed->tagline_.set(pool_, start, stop - start);
2366             }
2367         _end
2368
2369         _profile(Package$parse$Retain)
2370             if (parsed->homepage_.empty())
2371                 parsed->homepage_ = website;
2372             if (parsed->homepage_ == parsed->depiction_)
2373                 parsed->homepage_.clear();
2374             if (parsed->support_.empty())
2375                 parsed->support_ = bugs;
2376         _end
2377     _end
2378 } }
2379
2380 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2381     if ((self = [super init]) != nil) {
2382     _profile(Package$initWithVersion)
2383         if (pool == NULL)
2384             apr_pool_create(&pool_, NULL);
2385         else {
2386             pool_ = pool;
2387             pooled_ = true;
2388         }
2389
2390         database_ = database;
2391         era_ = [database era];
2392
2393         version_ = version;
2394
2395         pkgCache::PkgIterator iterator(version.ParentPkg());
2396         iterator_ = iterator;
2397
2398         _profile(Package$initWithVersion$Version)
2399             if (!version_.end())
2400                 file_ = version_.FileList();
2401             else {
2402                 pkgCache &cache([database_ cache]);
2403                 file_ = pkgCache::VerFileIterator(cache, cache.VerFileP);
2404             }
2405         _end
2406
2407         _profile(Package$initWithVersion$Cache)
2408             name_.set(NULL, iterator.Display());
2409
2410             latest_.set(NULL, StripVersion_(version_.VerStr()));
2411
2412             pkgCache::VerIterator current(iterator.CurrentVer());
2413             if (!current.end())
2414                 installed_.set(NULL, StripVersion_(current.VerStr()));
2415         _end
2416
2417         _profile(Package$initWithVersion$Tags)
2418             pkgCache::TagIterator tag(iterator.TagList());
2419             if (!tag.end()) {
2420                 tags_ = [NSMutableArray arrayWithCapacity:8];
2421
2422                 goto tag; for (; !tag.end(); ++tag) tag: {
2423                     const char *name(tag.Name());
2424                     NSString *string((NSString *) CYStringCreate(name));
2425                     if (string == nil)
2426                         continue;
2427
2428                     [tags_ addObject:[string autorelease]];
2429
2430                     if (role_ == 0 && strncmp(name, "role::", 6) == 0 /*&& strcmp(name, "role::leaper") != 0*/) {
2431                         if (strcmp(name + 6, "enduser") == 0)
2432                             role_ = 1;
2433                         else if (strcmp(name + 6, "hacker") == 0)
2434                             role_ = 2;
2435                         else if (strcmp(name + 6, "developer") == 0)
2436                             role_ = 3;
2437                         else if (strcmp(name + 6, "cydia") == 0)
2438                             role_ = 7;
2439                         else
2440                             role_ = 4;
2441                     }
2442
2443                     if (strncmp(name, "cydia::", 7) == 0) {
2444                         if (strcmp(name + 7, "essential") == 0)
2445                             essential_ = true;
2446                         else if (strcmp(name + 7, "obsolete") == 0)
2447                             obsolete_ = true;
2448                     }
2449                 }
2450             }
2451         _end
2452
2453         _profile(Package$initWithVersion$Metadata)
2454             const char *mixed(iterator.Name());
2455             size_t size(strlen(mixed));
2456             static const size_t prefix(sizeof("/var/lib/dpkg/info/") - 1);
2457             char lower[prefix + size + 5 + 1];
2458
2459             for (size_t i(0); i != size; ++i)
2460                 lower[prefix + i] = mixed[i] | 0x20;
2461
2462             if (!installed_.empty()) {
2463                 memcpy(lower, "/var/lib/dpkg/info/", prefix);
2464                 memcpy(lower + prefix + size, ".list", 6);
2465                 struct stat info;
2466                 if (stat(lower, &info) != -1)
2467                     updated_ = info.st_birthtime;
2468             }
2469
2470             PackageValue *metadata(PackageFind(lower + prefix, size));
2471             metadata_ = metadata;
2472
2473             id_.set(NULL, metadata->name_, size);
2474
2475             const char *latest(version_.VerStr());
2476             size_t length(strlen(latest));
2477
2478             uint16_t vhash(hashlittle(latest, length));
2479
2480             size_t capped(std::min<size_t>(8, length));
2481             latest = latest + length - capped;
2482
2483             if (metadata->first_ == 0)
2484                 metadata->first_ = now_;
2485
2486             if (metadata->vhash_ != vhash || strncmp(metadata->version_, latest, sizeof(metadata->version_)) != 0) {
2487                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
2488                 metadata->vhash_ = vhash;
2489                 metadata->last_ = now_;
2490             } else if (metadata->last_ == 0)
2491                 metadata->last_ = metadata->first_;
2492         _end
2493
2494         _profile(Package$initWithVersion$Section)
2495             section_ = version_.Section();
2496         _end
2497
2498         _profile(Package$initWithVersion$Flags)
2499             essential_ |= ((iterator->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES);
2500             ignored_ = iterator->SelectedState == pkgCache::State::Hold;
2501         _end
2502     _end } return self;
2503 }
2504
2505 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2506     pkgCache::VerIterator version;
2507
2508     _profile(Package$packageWithIterator$GetCandidateVer)
2509         version = [database policy]->GetCandidateVer(iterator);
2510     _end
2511
2512     if (version.end())
2513         return nil;
2514
2515     Package *package;
2516
2517     _profile(Package$packageWithIterator$Allocate)
2518         package = [Package allocWithZone:zone];
2519     _end
2520
2521     _profile(Package$packageWithIterator$Initialize)
2522         package = [package
2523             initWithVersion:version
2524             withZone:zone
2525             inPool:pool
2526             database:database
2527         ];
2528     _end
2529
2530     _profile(Package$packageWithIterator$Autorelease)
2531         package = [package autorelease];
2532     _end
2533
2534     return package;
2535 }
2536
2537 - (pkgCache::PkgIterator) iterator {
2538     return iterator_;
2539 }
2540
2541 - (NSString *) section {
2542     if (section$_ == nil) {
2543         if (section_ == NULL)
2544             return nil;
2545
2546         _profile(Package$section$mappedSectionForPointer)
2547             section$_ = [database_ mappedSectionForPointer:section_];
2548         _end
2549     } return section$_;
2550 }
2551
2552 - (NSString *) simpleSection {
2553     if (NSString *section = [self section])
2554         return Simplify(section);
2555     else
2556         return nil;
2557 }
2558
2559 - (NSString *) longSection {
2560     return LocalizeSection([self section]);
2561 }
2562
2563 - (NSString *) shortSection {
2564     return [[NSBundle mainBundle] localizedStringForKey:[self simpleSection] value:nil table:@"Sections"];
2565 }
2566
2567 - (NSString *) uri {
2568     return nil;
2569 #if 0
2570     pkgIndexFile *index;
2571     pkgCache::PkgFileIterator file(file_.File());
2572     if (![database_ list].FindIndex(file, index))
2573         return nil;
2574     return [NSString stringWithUTF8String:iterator_->Path];
2575     //return [NSString stringWithUTF8String:file.Site()];
2576     //return [NSString stringWithUTF8String:index->ArchiveURI(file.FileName()).c_str()];
2577 #endif
2578 }
2579
2580 - (MIMEAddress *) maintainer {
2581 @synchronized (database_) {
2582     if ([database_ era] != era_ || file_.end())
2583         return nil;
2584
2585     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2586     const std::string &maintainer(parser->Maintainer());
2587     return maintainer.empty() ? nil : [MIMEAddress addressWithString:[NSString stringWithUTF8String:maintainer.c_str()]];
2588 } }
2589
2590 - (NSString *) md5sum {
2591     return parsed_ == NULL ? nil : (id) parsed_->md5sum_;
2592 }
2593
2594 - (size_t) size {
2595 @synchronized (database_) {
2596     if ([database_ era] != era_ || version_.end())
2597         return 0;
2598
2599     return version_->InstalledSize;
2600 } }
2601
2602 - (NSString *) longDescription {
2603 @synchronized (database_) {
2604     if ([database_ era] != era_ || file_.end())
2605         return nil;
2606
2607     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2608     NSString *description([NSString stringWithUTF8String:parser->LongDesc().c_str()]);
2609
2610     NSArray *lines = [description componentsSeparatedByString:@"\n"];
2611     NSMutableArray *trimmed = [NSMutableArray arrayWithCapacity:([lines count] - 1)];
2612     if ([lines count] < 2)
2613         return nil;
2614
2615     NSCharacterSet *whitespace = [NSCharacterSet whitespaceCharacterSet];
2616     for (size_t i(1), e([lines count]); i != e; ++i) {
2617         NSString *trim = [[lines objectAtIndex:i] stringByTrimmingCharactersInSet:whitespace];
2618         [trimmed addObject:trim];
2619     }
2620
2621     return [trimmed componentsJoinedByString:@"\n"];
2622 } }
2623
2624 - (NSString *) shortDescription {
2625     if (parsed_ != NULL)
2626         return static_cast<NSString *>(parsed_->tagline_);
2627
2628 @synchronized (database_) {
2629     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2630
2631     const char *start, *end;
2632     if (!parser.ShortDesc(start, end))
2633         return nil;
2634
2635     if (end - start > 200)
2636         end = start + 200;
2637
2638     /*
2639     if (const char *stop = reinterpret_cast<const char *>(memchr(start, '\n', end - start)))
2640         end = stop;
2641
2642     while (end != start && end[-1] == '\r')
2643         --end;
2644     */
2645
2646     return [(id) CYStringCreate(start, end - start) autorelease];
2647 } }
2648
2649 - (unichar) index {
2650     _profile(Package$index)
2651         CFStringRef name((CFStringRef) [self name]);
2652         if (CFStringGetLength(name) == 0)
2653             return '#';
2654         UniChar character(CFStringGetCharacterAtIndex(name, 0));
2655         if (!CFUniCharIsMemberOf(character, kCFUniCharLetterCharacterSet))
2656             return '#';
2657         return toupper(character);
2658     _end
2659 }
2660
2661 - (PackageValue *) metadata {
2662     return metadata_;
2663 }
2664
2665 - (time_t) seen {
2666     PackageValue *metadata([self metadata]);
2667     return metadata->subscribed_ ? metadata->last_ : metadata->first_;
2668 }
2669
2670 - (bool) subscribed {
2671     return [self metadata]->subscribed_;
2672 }
2673
2674 - (bool) setSubscribed:(bool)subscribed {
2675     PackageValue *metadata([self metadata]);
2676     if (metadata->subscribed_ == subscribed)
2677         return false;
2678     metadata->subscribed_ = subscribed;
2679     return true;
2680 }
2681
2682 - (BOOL) ignored {
2683     return ignored_;
2684 }
2685
2686 - (NSString *) latest {
2687     return latest_;
2688 }
2689
2690 - (NSString *) installed {
2691     return installed_;
2692 }
2693
2694 - (BOOL) uninstalled {
2695     return installed_.empty();
2696 }
2697
2698 - (BOOL) valid {
2699     return !version_.end();
2700 }
2701
2702 - (BOOL) upgradableAndEssential:(BOOL)essential {
2703     _profile(Package$upgradableAndEssential)
2704         pkgCache::VerIterator current(iterator_.CurrentVer());
2705         if (current.end())
2706             return essential && essential_;
2707         else
2708             return !version_.end() && version_ != current;
2709     _end
2710 }
2711
2712 - (BOOL) essential {
2713     return essential_;
2714 }
2715
2716 - (BOOL) broken {
2717     return [database_ cache][iterator_].InstBroken();
2718 }
2719
2720 - (BOOL) unfiltered {
2721     _profile(Package$unfiltered$obsolete)
2722         if (_unlikely(obsolete_))
2723             return false;
2724     _end
2725
2726     _profile(Package$unfiltered$role)
2727         if (_unlikely(role_ > 3))
2728             return false;
2729     _end
2730
2731     return true;
2732 }
2733
2734 - (BOOL) visible {
2735     if (![self unfiltered])
2736         return false;
2737
2738     NSString *section;
2739
2740     _profile(Package$visible$section)
2741         section = [self section];
2742     _end
2743
2744     _profile(Package$visible$isSectionVisible)
2745         if (!isSectionVisible(section))
2746             return false;
2747     _end
2748
2749     return true;
2750 }
2751
2752 - (BOOL) half {
2753     unsigned char current(iterator_->CurrentState);
2754     return current == pkgCache::State::HalfConfigured || current == pkgCache::State::HalfInstalled;
2755 }
2756
2757 - (BOOL) halfConfigured {
2758     return iterator_->CurrentState == pkgCache::State::HalfConfigured;
2759 }
2760
2761 - (BOOL) halfInstalled {
2762     return iterator_->CurrentState == pkgCache::State::HalfInstalled;
2763 }
2764
2765 - (BOOL) hasMode {
2766 @synchronized (database_) {
2767     if ([database_ era] != era_ || iterator_.end())
2768         return NO;
2769
2770     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2771     return state.Mode != pkgDepCache::ModeKeep;
2772 } }
2773
2774 - (NSString *) mode {
2775 @synchronized (database_) {
2776     if ([database_ era] != era_ || iterator_.end())
2777         return nil;
2778
2779     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2780
2781     switch (state.Mode) {
2782         case pkgDepCache::ModeDelete:
2783             if ((state.iFlags & pkgDepCache::Purge) != 0)
2784                 return @"PURGE";
2785             else
2786                 return @"REMOVE";
2787         case pkgDepCache::ModeKeep:
2788             if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2789                 return @"REINSTALL";
2790             /*else if ((state.iFlags & pkgDepCache::AutoKept) != 0)
2791                 return nil;*/
2792             else
2793                 return nil;
2794         case pkgDepCache::ModeInstall:
2795             /*if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2796                 return @"REINSTALL";
2797             else*/ switch (state.Status) {
2798                 case -1:
2799                     return @"DOWNGRADE";
2800                 case 0:
2801                     return @"INSTALL";
2802                 case 1:
2803                     return @"UPGRADE";
2804                 case 2:
2805                     return @"NEW_INSTALL";
2806                 _nodefault
2807             }
2808         _nodefault
2809     }
2810 } }
2811
2812 - (NSString *) id {
2813     return id_;
2814 }
2815
2816 - (NSString *) name {
2817     return name_.empty() ? id_ : name_;
2818 }
2819
2820 - (UIImage *) icon {
2821     NSString *section = [self simpleSection];
2822
2823     UIImage *icon(nil);
2824     if (parsed_ != NULL)
2825         if (NSString *href = parsed_->icon_)
2826             if ([href hasPrefix:@"file:///"])
2827                 icon = [UIImage imageAtPath:[[href substringFromIndex:7] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
2828     if (icon == nil) if (section != nil)
2829         icon = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, [section stringByReplacingOccurrencesOfString:@" " withString:@"_"]]];
2830     if (icon == nil) if (Source *source = [self source]) if (NSString *dicon = [source defaultIcon])
2831         if ([dicon hasPrefix:@"file:///"])
2832             icon = [UIImage imageAtPath:[[dicon substringFromIndex:7] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
2833     if (icon == nil)
2834         icon = [UIImage applicationImageNamed:@"unknown.png"];
2835     return icon;
2836 }
2837
2838 - (NSString *) homepage {
2839     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->homepage_);
2840 }
2841
2842 - (NSString *) depiction {
2843     return parsed_ != NULL && !parsed_->depiction_.empty() ? parsed_->depiction_ : [[self source] depictionForPackage:id_];
2844 }
2845
2846 - (MIMEAddress *) author {
2847     return parsed_ == NULL || parsed_->author_.empty() ? nil : [MIMEAddress addressWithString:parsed_->author_];
2848 }
2849
2850 - (NSString *) support {
2851     return parsed_ != NULL && !parsed_->support_.empty() ? parsed_->support_ : [[self source] supportForPackage:id_];
2852 }
2853
2854 - (NSArray *) files {
2855     NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", static_cast<NSString *>(id_)];
2856     NSMutableArray *files = [NSMutableArray arrayWithCapacity:128];
2857
2858     std::ifstream fin;
2859     fin.open([path UTF8String]);
2860     if (!fin.is_open())
2861         return nil;
2862
2863     std::string line;
2864     while (std::getline(fin, line))
2865         [files addObject:[NSString stringWithUTF8String:line.c_str()]];
2866
2867     return files;
2868 }
2869
2870 - (NSString *) state {
2871 @synchronized (database_) {
2872     if ([database_ era] != era_ || file_.end())
2873         return nil;
2874
2875     switch (iterator_->CurrentState) {
2876         case pkgCache::State::NotInstalled:
2877             return @"NotInstalled";
2878         case pkgCache::State::UnPacked:
2879             return @"UnPacked";
2880         case pkgCache::State::HalfConfigured:
2881             return @"HalfConfigured";
2882         case pkgCache::State::HalfInstalled:
2883             return @"HalfInstalled";
2884         case pkgCache::State::ConfigFiles:
2885             return @"ConfigFiles";
2886         case pkgCache::State::Installed:
2887             return @"Installed";
2888         case pkgCache::State::TriggersAwaited:
2889             return @"TriggersAwaited";
2890         case pkgCache::State::TriggersPending:
2891             return @"TriggersPending";
2892     }
2893
2894     return (NSString *) [NSNull null];
2895 } }
2896
2897 - (NSString *) selection {
2898 @synchronized (database_) {
2899     if ([database_ era] != era_ || file_.end())
2900         return nil;
2901
2902     switch (iterator_->SelectedState) {
2903         case pkgCache::State::Unknown:
2904             return @"Unknown";
2905         case pkgCache::State::Install:
2906             return @"Install";
2907         case pkgCache::State::Hold:
2908             return @"Hold";
2909         case pkgCache::State::DeInstall:
2910             return @"DeInstall";
2911         case pkgCache::State::Purge:
2912             return @"Purge";
2913     }
2914
2915     return (NSString *) [NSNull null];
2916 } }
2917
2918 - (NSArray *) warnings {
2919     NSMutableArray *warnings([NSMutableArray arrayWithCapacity:4]);
2920     const char *name(iterator_.Name());
2921
2922     size_t length(strlen(name));
2923     if (length < 2) invalid:
2924         [warnings addObject:UCLocalize("ILLEGAL_PACKAGE_IDENTIFIER")];
2925     else for (size_t i(0); i != length; ++i)
2926         if (
2927             /* XXX: technically this is not allowed */
2928             (name[i] < 'A' || name[i] > 'Z') &&
2929             (name[i] < 'a' || name[i] > 'z') &&
2930             (name[i] < '0' || name[i] > '9') &&
2931             (i == 0 || name[i] != '+' && name[i] != '-' && name[i] != '.')
2932         ) goto invalid;
2933
2934     if (strcmp(name, "cydia") != 0) {
2935         bool cydia = false;
2936         bool user = false;
2937         bool _private = false;
2938         bool stash = false;
2939
2940         bool repository = [[self section] isEqualToString:@"Repositories"];
2941
2942         if (NSArray *files = [self files])
2943             for (NSString *file in files)
2944                 if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
2945                     cydia = true;
2946                 else if (!user && [file isEqualToString:@"/User"])
2947                     user = true;
2948                 else if (!_private && [file isEqualToString:@"/private"])
2949                     _private = true;
2950                 else if (!stash && [file isEqualToString:@"/var/stash"])
2951                     stash = true;
2952
2953         /* XXX: this is not sensitive enough. only some folders are valid. */
2954         if (cydia && !repository)
2955             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"Cydia.app"]];
2956         if (user)
2957             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/User"]];
2958         if (_private)
2959             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/private"]];
2960         if (stash)
2961             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/stash"]];
2962     }
2963
2964     return [warnings count] == 0 ? nil : warnings;
2965 }
2966
2967 - (NSArray *) applications {
2968     NSString *me([[NSBundle mainBundle] bundleIdentifier]);
2969
2970     NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
2971
2972     static Pcre application_r("^/Applications/(.*)\\.app/Info.plist$");
2973     if (NSArray *files = [self files])
2974         for (NSString *file in files)
2975             if (application_r(file)) {
2976                 NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:file]);
2977                 NSString *id([info objectForKey:@"CFBundleIdentifier"]);
2978                 if ([id isEqualToString:me])
2979                     continue;
2980
2981                 NSString *display([info objectForKey:@"CFBundleDisplayName"]);
2982                 if (display == nil)
2983                     display = application_r[1];
2984
2985                 NSString *bundle([file stringByDeletingLastPathComponent]);
2986                 NSString *icon([info objectForKey:@"CFBundleIconFile"]);
2987                 // XXX: maybe this should check if this is really a string, not just for length
2988                 if (icon == nil || ![icon respondsToSelector:@selector(length)] || [icon length] == 0)
2989                     icon = @"icon.png";
2990                 NSURL *url([NSURL fileURLWithPath:[bundle stringByAppendingPathComponent:icon]]);
2991
2992                 NSMutableArray *application([NSMutableArray arrayWithCapacity:2]);
2993                 [applications addObject:application];
2994
2995                 [application addObject:id];
2996                 [application addObject:display];
2997                 [application addObject:url];
2998             }
2999
3000     return [applications count] == 0 ? nil : applications;
3001 }
3002
3003 - (Source *) source {
3004     if (source_ == nil) {
3005         @synchronized (database_) {
3006             if ([database_ era] != era_ || file_.end())
3007                 source_ = (Source *) [NSNull null];
3008             else
3009                 source_ = [database_ getSource:file_.File()] ?: (Source *) [NSNull null];
3010         }
3011     }
3012
3013     return source_ == (Source *) [NSNull null] ? nil : source_;
3014 }
3015
3016 - (uint32_t) rank {
3017     return rank_;
3018 }
3019
3020 - (BOOL) matches:(NSArray *)query {
3021     if (query == nil || [query count] == 0)
3022         return NO;
3023
3024     rank_ = 0;
3025
3026     NSString *string;
3027     NSRange range;
3028     NSUInteger length;
3029
3030     string = [self name];
3031     length = [string length];
3032
3033     for (NSString *term in query) {
3034         range = [string rangeOfString:term options:MatchCompareOptions_];
3035         if (range.location != NSNotFound)
3036             rank_ -= 6 * 1000000 / length;
3037     }
3038
3039     if (rank_ == 0) {
3040         string = [self id];
3041         length = [string length];
3042
3043         for (NSString *term in query) {
3044             range = [string rangeOfString:term options:MatchCompareOptions_];
3045             if (range.location != NSNotFound)
3046                 rank_ -= 6 * 1000000 / length;
3047         }
3048     }
3049
3050     string = [self shortDescription];
3051     length = [string length];
3052     NSUInteger stop(std::min<NSUInteger>(length, 200));
3053
3054     for (NSString *term in query) {
3055         range = [string rangeOfString:term options:MatchCompareOptions_ range:NSMakeRange(0, stop)];
3056         if (range.location != NSNotFound)
3057             rank_ -= 2 * 100000;
3058     }
3059
3060     return rank_ != 0;
3061 }
3062
3063 - (NSArray *) tags {
3064     return tags_;
3065 }
3066
3067 - (BOOL) hasTag:(NSString *)tag {
3068     return tags_ == nil ? NO : [tags_ containsObject:tag];
3069 }
3070
3071 - (NSString *) primaryPurpose {
3072     for (NSString *tag in (NSArray *) tags_)
3073         if ([tag hasPrefix:@"purpose::"])
3074             return [tag substringFromIndex:9];
3075     return nil;
3076 }
3077
3078 - (NSArray *) purposes {
3079     NSMutableArray *purposes([NSMutableArray arrayWithCapacity:2]);
3080     for (NSString *tag in (NSArray *) tags_)
3081         if ([tag hasPrefix:@"purpose::"])
3082             [purposes addObject:[tag substringFromIndex:9]];
3083     return [purposes count] == 0 ? nil : purposes;
3084 }
3085
3086 - (bool) isCommercial {
3087     return [self hasTag:@"cydia::commercial"];
3088 }
3089
3090 - (void) setIndex:(size_t)index {
3091     if (metadata_->index_ != index)
3092         metadata_->index_ = index;
3093 }
3094
3095 - (CYString &) cyname {
3096     return name_.empty() ? id_ : name_;
3097 }
3098
3099 - (uint32_t) compareBySection:(NSArray *)sections {
3100     NSString *section([self section]);
3101     for (size_t i(0), e([sections count]); i != e; ++i) {
3102         if ([section isEqualToString:[[sections objectAtIndex:i] name]])
3103             return i;
3104     }
3105
3106     return _not(uint32_t);
3107 }
3108
3109 - (void) clear {
3110 @synchronized (database_) {
3111     pkgProblemResolver *resolver = [database_ resolver];
3112     resolver->Clear(iterator_);
3113
3114     pkgCacheFile &cache([database_ cache]);
3115     cache->SetReInstall(iterator_, false);
3116     cache->MarkKeep(iterator_, false);
3117 } }
3118
3119 - (void) install {
3120 @synchronized (database_) {
3121     pkgProblemResolver *resolver = [database_ resolver];
3122     resolver->Clear(iterator_);
3123     resolver->Protect(iterator_);
3124
3125     pkgCacheFile &cache([database_ cache]);
3126     cache->SetReInstall(iterator_, false);
3127     cache->MarkInstall(iterator_, false);
3128
3129     pkgDepCache::StateCache &state((*cache)[iterator_]);
3130     if (!state.Install())
3131         cache->SetReInstall(iterator_, true);
3132 } }
3133
3134 - (void) remove {
3135 @synchronized (database_) {
3136     pkgProblemResolver *resolver = [database_ resolver];
3137     resolver->Clear(iterator_);
3138     resolver->Remove(iterator_);
3139     resolver->Protect(iterator_);
3140
3141     pkgCacheFile &cache([database_ cache]);
3142     cache->SetReInstall(iterator_, false);
3143     cache->MarkDelete(iterator_, true);
3144 } }
3145
3146 @end
3147 /* }}} */
3148 /* Section Class {{{ */
3149 @interface Section : NSObject {
3150     _H<NSString> name_;
3151     unichar index_;
3152     size_t row_;
3153     size_t count_;
3154     _H<NSString> localized_;
3155 }
3156
3157 - (NSComparisonResult) compareByLocalized:(Section *)section;
3158 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized;
3159 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize;
3160 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize;
3161 - (Section *) initWithIndex:(unichar)index row:(size_t)row;
3162 - (NSString *) name;
3163 - (unichar) index;
3164
3165 - (size_t) row;
3166 - (size_t) count;
3167
3168 - (void) addToRow;
3169 - (void) addToCount;
3170
3171 - (void) setCount:(size_t)count;
3172 - (NSString *) localized;
3173
3174 @end
3175
3176 @implementation Section
3177
3178 - (NSComparisonResult) compareByLocalized:(Section *)section {
3179     NSString *lhs(localized_);
3180     NSString *rhs([section localized]);
3181
3182     /*if ([lhs length] != 0 && [rhs length] != 0) {
3183         unichar lhc = [lhs characterAtIndex:0];
3184         unichar rhc = [rhs characterAtIndex:0];
3185
3186         if (isalpha(lhc) && !isalpha(rhc))
3187             return NSOrderedAscending;
3188         else if (!isalpha(lhc) && isalpha(rhc))
3189             return NSOrderedDescending;
3190     }*/
3191
3192     return [lhs compare:rhs options:LaxCompareOptions_];
3193 }
3194
3195 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized {
3196     if ((self = [self initWithName:name localize:NO]) != nil) {
3197         if (localized != nil)
3198             localized_ = localized;
3199     } return self;
3200 }
3201
3202 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize {
3203     return [self initWithName:name row:0 localize:localize];
3204 }
3205
3206 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize {
3207     if ((self = [super init]) != nil) {
3208         name_ = name;
3209         index_ = '\0';
3210         row_ = row;
3211         if (localize)
3212             localized_ = LocalizeSection(name_);
3213     } return self;
3214 }
3215
3216 /* XXX: localize the index thingees */
3217 - (Section *) initWithIndex:(unichar)index row:(size_t)row {
3218     if ((self = [super init]) != nil) {
3219         name_ = [NSString stringWithCharacters:&index length:1];
3220         index_ = index;
3221         row_ = row;
3222     } return self;
3223 }
3224
3225 - (NSString *) name {
3226     return name_;
3227 }
3228
3229 - (unichar) index {
3230     return index_;
3231 }
3232
3233 - (size_t) row {
3234     return row_;
3235 }
3236
3237 - (size_t) count {
3238     return count_;
3239 }
3240
3241 - (void) addToRow {
3242     ++row_;
3243 }
3244
3245 - (void) addToCount {
3246     ++count_;
3247 }
3248
3249 - (void) setCount:(size_t)count {
3250     count_ = count;
3251 }
3252
3253 - (NSString *) localized {
3254     return localized_;
3255 }
3256
3257 @end
3258 /* }}} */
3259
3260 class CydiaLogCleaner :
3261     public pkgArchiveCleaner
3262 {
3263   protected:
3264     virtual void Erase(const char *File, std::string Pkg, std::string Ver, struct stat &St) {
3265         unlink(File);
3266     }
3267 };
3268
3269 /* Database Implementation {{{ */
3270 @implementation Database
3271
3272 + (Database *) sharedInstance {
3273     static _H<Database> instance;
3274     if (instance == nil)
3275         instance = [[[Database alloc] init] autorelease];
3276     return instance;
3277 }
3278
3279 - (unsigned) era {
3280     return era_;
3281 }
3282
3283 - (void) releasePackages {
3284     CFArrayApplyFunction(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFArrayApplierFunction>(&CFRelease), NULL);
3285     CFArrayRemoveAllValues(packages_);
3286 }
3287
3288 - (void) dealloc {
3289     // XXX: actually implement this thing
3290     _assert(false);
3291     [self releasePackages];
3292     apr_pool_destroy(pool_);
3293     NSRecycleZone(zone_);
3294     [super dealloc];
3295 }
3296
3297 - (void) _readCydia:(NSNumber *)fd {
3298     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3299     std::istream is(&ib);
3300     std::string line;
3301
3302     static Pcre finish_r("^finish:([^:]*)$");
3303
3304     while (std::getline(is, line)) {
3305         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3306
3307         const char *data(line.c_str());
3308         size_t size = line.size();
3309         lprintf("C:%s\n", data);
3310
3311         if (finish_r(data, size)) {
3312             NSString *finish = finish_r[1];
3313             int index = [Finishes_ indexOfObject:finish];
3314             if (index != INT_MAX && index > Finish_)
3315                 Finish_ = index;
3316         }
3317
3318         [pool release];
3319     }
3320
3321     _assume(false);
3322 }
3323
3324 - (void) _readStatus:(NSNumber *)fd {
3325     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3326     std::istream is(&ib);
3327     std::string line;
3328
3329     static Pcre conffile_r("^status: [^ ]* : conffile-prompt : (.*?) *$");
3330     static Pcre pmstatus_r("^([^:]*):([^:]*):([^:]*):(.*)$");
3331
3332     while (std::getline(is, line)) {
3333         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3334
3335         const char *data(line.c_str());
3336         size_t size(line.size());
3337         lprintf("S:%s\n", data);
3338
3339         if (conffile_r(data, size)) {
3340             // status: /fail : conffile-prompt : '/fail' '/fail.dpkg-new' 1 1
3341             [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:conffile_r[1] waitUntilDone:YES];
3342         } else if (strncmp(data, "status: ", 8) == 0) {
3343             // status: <package>: {unpacked,half-configured,installed}
3344             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 8)] ofType:kCydiaProgressEventTypeStatus]);
3345             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3346         } else if (strncmp(data, "processing: ", 12) == 0) {
3347             // processing: configure: config-test
3348             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 12)] ofType:kCydiaProgressEventTypeStatus]);
3349             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3350         } else if (pmstatus_r(data, size)) {
3351             std::string type([pmstatus_r[1] UTF8String]);
3352
3353             NSString *package = pmstatus_r[2];
3354             if ([package isEqualToString:@"dpkg-exec"])
3355                 package = nil;
3356
3357             float percent([pmstatus_r[3] floatValue]);
3358             [progress_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:(percent / 100)] waitUntilDone:YES];
3359
3360             NSString *string = pmstatus_r[4];
3361
3362             if (type == "pmerror") {
3363                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:kCydiaProgressEventTypeError forPackage:package]);
3364                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3365             } else if (type == "pmstatus") {
3366                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:kCydiaProgressEventTypeStatus forPackage:package]);
3367                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3368             } else if (type == "pmconffile")
3369                 [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:string waitUntilDone:YES];
3370             else
3371                 lprintf("E:unknown pmstatus\n");
3372         } else
3373             lprintf("E:unknown status\n");
3374
3375         [pool release];
3376     }
3377
3378     _assume(false);
3379 }
3380
3381 - (void) _readOutput:(NSNumber *)fd {
3382     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3383     std::istream is(&ib);
3384     std::string line;
3385
3386     while (std::getline(is, line)) {
3387         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3388
3389         lprintf("O:%s\n", line.c_str());
3390
3391         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:line.c_str()] ofType:kCydiaProgressEventTypeInformation]);
3392         [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3393
3394         [pool release];
3395     }
3396
3397     _assume(false);
3398 }
3399
3400 - (FILE *) input {
3401     return input_;
3402 }
3403
3404 - (Package *) packageWithName:(NSString *)name {
3405     if (name == nil)
3406         return nil;
3407 @synchronized (self) {
3408     if (static_cast<pkgDepCache *>(cache_) == NULL)
3409         return nil;
3410     pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]));
3411     return iterator.end() ? nil : [Package packageWithIterator:iterator withZone:NULL inPool:NULL database:self];
3412 } }
3413
3414 - (id) init {
3415     if ((self = [super init]) != nil) {
3416         policy_ = NULL;
3417         records_ = NULL;
3418         resolver_ = NULL;
3419         fetcher_ = NULL;
3420         lock_ = NULL;
3421
3422         zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3423         apr_pool_create(&pool_, NULL);
3424
3425         size_t capacity(MetaFile_->active_);
3426         if (capacity == 0)
3427             capacity = 16384;
3428         else
3429             capacity += 1024;
3430
3431         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, capacity, NULL);
3432         sourceList_ = [NSMutableArray arrayWithCapacity:16];
3433
3434         int fds[2];
3435
3436         _assert(pipe(fds) != -1);
3437         cydiafd_ = fds[1];
3438
3439         _config->Set("APT::Keep-Fds::", cydiafd_);
3440         setenv("CYDIA", [[[[NSNumber numberWithInt:cydiafd_] stringValue] stringByAppendingString:@" 1"] UTF8String], _not(int));
3441
3442         [NSThread
3443             detachNewThreadSelector:@selector(_readCydia:)
3444             toTarget:self
3445             withObject:[NSNumber numberWithInt:fds[0]]
3446         ];
3447
3448         _assert(pipe(fds) != -1);
3449         statusfd_ = fds[1];
3450
3451         [NSThread
3452             detachNewThreadSelector:@selector(_readStatus:)
3453             toTarget:self
3454             withObject:[NSNumber numberWithInt:fds[0]]
3455         ];
3456
3457         _assert(pipe(fds) != -1);
3458         _assert(dup2(fds[0], 0) != -1);
3459         _assert(close(fds[0]) != -1);
3460
3461         input_ = fdopen(fds[1], "a");
3462
3463         _assert(pipe(fds) != -1);
3464         _assert(dup2(fds[1], 1) != -1);
3465         _assert(close(fds[1]) != -1);
3466
3467         [NSThread
3468             detachNewThreadSelector:@selector(_readOutput:)
3469             toTarget:self
3470             withObject:[NSNumber numberWithInt:fds[0]]
3471         ];
3472     } return self;
3473 }
3474
3475 - (pkgCacheFile &) cache {
3476     return cache_;
3477 }
3478
3479 - (pkgDepCache::Policy *) policy {
3480     return policy_;
3481 }
3482
3483 - (pkgRecords *) records {
3484     return records_;
3485 }
3486
3487 - (pkgProblemResolver *) resolver {
3488     return resolver_;
3489 }
3490
3491 - (pkgAcquire &) fetcher {
3492     return *fetcher_;
3493 }
3494
3495 - (pkgSourceList &) list {
3496     return *list_;
3497 }
3498
3499 - (NSArray *) packages {
3500     return (NSArray *) packages_;
3501 }
3502
3503 - (NSArray *) sources {
3504     return sourceList_;
3505 }
3506
3507 - (Source *) sourceWithKey:(NSString *)key {
3508     for (Source *source in [self sources]) {
3509         if ([[source key] isEqualToString:key])
3510             return source;
3511     } return nil;
3512 }
3513
3514 - (bool) popErrorWithTitle:(NSString *)title {
3515     bool fatal(false);
3516
3517     while (!_error->empty()) {
3518         std::string error;
3519         bool warning(!_error->PopMessage(error));
3520         if (!warning)
3521             fatal = true;
3522
3523         for (;;) {
3524             size_t size(error.size());
3525             if (size == 0 || error[size - 1] != '\n')
3526                 break;
3527             error.resize(size - 1);
3528         }
3529
3530         lprintf("%c:[%s]\n", warning ? 'W' : 'E', error.c_str());
3531
3532         static Pcre no_pubkey("^GPG error:.* NO_PUBKEY .*$");
3533         if (warning && no_pubkey(error.c_str()))
3534             continue;
3535
3536         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? kCydiaProgressEventTypeWarning : kCydiaProgressEventTypeError)] forTask:title];
3537     }
3538
3539     return fatal;
3540 }
3541
3542 - (bool) popErrorWithTitle:(NSString *)title forOperation:(bool)success {
3543     return [self popErrorWithTitle:title] || !success;
3544 }
3545
3546 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
3547 @synchronized (self) {
3548     ++era_;
3549
3550     [self releasePackages];
3551
3552     sourceMap_.clear();
3553     [sourceList_ removeAllObjects];
3554
3555     _error->Discard();
3556
3557     delete list_;
3558     list_ = NULL;
3559     manager_ = NULL;
3560     delete lock_;
3561     lock_ = NULL;
3562     delete fetcher_;
3563     fetcher_ = NULL;
3564     delete resolver_;
3565     resolver_ = NULL;
3566     delete records_;
3567     records_ = NULL;
3568     delete policy_;
3569     policy_ = NULL;
3570
3571     cache_.Close();
3572
3573     apr_pool_clear(pool_);
3574
3575     NSRecycleZone(zone_);
3576     zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3577
3578     int chk(creat("/tmp/cydia.chk", 0644));
3579     if (chk != -1)
3580         close(chk);
3581
3582     if (invocation != nil)
3583         [invocation invoke];
3584
3585     NSString *title(UCLocalize("DATABASE"));
3586
3587     list_ = new pkgSourceList();
3588     if ([self popErrorWithTitle:title forOperation:list_->ReadMainList()])
3589         return;
3590
3591     for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source) {
3592         Source *object([[[Source alloc] initWithMetaIndex:*source forDatabase:self inPool:pool_] autorelease]);
3593         [sourceList_ addObject:object];
3594     }
3595
3596     _trace();
3597     OpProgress progress;
3598   open:
3599     if (!cache_.Open(progress, true)) {
3600         // XXX: what if there are errors, but Open() == true? this should be merged with popError:
3601         while (!_error->empty()) {
3602             std::string error;
3603             bool warning(!_error->PopMessage(error));
3604
3605             lprintf("cache_.Open():[%s]\n", error.c_str());
3606
3607             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? kCydiaProgressEventTypeWarning : kCydiaProgressEventTypeError)] forTask:title];
3608
3609             SEL repair(NULL);
3610             if (false);
3611             else if (error == "dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. ")
3612                 repair = @selector(configure);
3613             //else if (error == "The package lists or status file could not be parsed or opened.")
3614             //    repair = @selector(update);
3615             // else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
3616             // else if (error == "Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)")
3617             // else if (error == "Malformed Status line")
3618             // else if (error == "The list of sources could not be read.")
3619
3620             if (repair != NULL) {
3621                 _error->Discard();
3622                 [delegate_ repairWithSelector:repair];
3623                 goto open;
3624             }
3625         }
3626
3627         return;
3628     }
3629     _trace();
3630
3631     unlink("/tmp/cydia.chk");
3632
3633     now_ = [[NSDate date] timeIntervalSince1970];
3634
3635     policy_ = new pkgDepCache::Policy();
3636     records_ = new pkgRecords(cache_);
3637     resolver_ = new pkgProblemResolver(cache_);
3638     fetcher_ = new pkgAcquire(&status_);
3639     lock_ = NULL;
3640
3641     if (cache_->DelCount() != 0 || cache_->InstCount() != 0) {
3642         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("COUNTS_NONZERO_EX") ofType:kCydiaProgressEventTypeError] forTask:title];
3643         return;
3644     }
3645
3646     if ([self popErrorWithTitle:title forOperation:pkgApplyStatus(cache_)])
3647         return;
3648
3649     if (cache_->BrokenCount() != 0) {
3650         if ([self popErrorWithTitle:title forOperation:pkgFixBroken(cache_)])
3651             return;
3652
3653         if (cache_->BrokenCount() != 0) {
3654             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("STILL_BROKEN_EX") ofType:kCydiaProgressEventTypeError] forTask:title];
3655             return;
3656         }
3657
3658         if ([self popErrorWithTitle:title forOperation:pkgMinimizeUpgrade(cache_)])
3659             return;
3660     }
3661
3662     for (Source *object in (id) sourceList_) {
3663         metaIndex *source([object metaIndex]);
3664         std::vector<pkgIndexFile *> *indices = source->GetIndexFiles();
3665         for (std::vector<pkgIndexFile *>::const_iterator index = indices->begin(); index != indices->end(); ++index)
3666             // XXX: this could be more intelligent
3667             if (dynamic_cast<debPackagesIndex *>(*index) != NULL) {
3668                 pkgCache::PkgFileIterator cached((*index)->FindInCache(cache_));
3669                 if (!cached.end())
3670                     sourceMap_[cached->ID] = object;
3671             }
3672     }
3673
3674     {
3675         /*std::vector<Package *> packages;
3676         packages.reserve(std::max(10000U, [packages_ count] + 1000));
3677         packages_ = nil;*/
3678
3679         _trace();
3680
3681         for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
3682             if (Package *package = [Package packageWithIterator:iterator withZone:zone_ inPool:pool_ database:self])
3683                 //packages.push_back(package);
3684                 CFArrayAppendValue(packages_, CFRetain(package));
3685
3686         _trace();
3687
3688         /*if (packages.empty())
3689             packages_ = [[NSArray alloc] init];
3690         else
3691             packages_ = [[NSArray alloc] initWithObjects:&packages.front() count:packages.size()];
3692         _trace();*/
3693
3694         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(16)];
3695         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(4)];
3696         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(0)];
3697
3698         /*_trace();
3699         PrintTimes();
3700         _trace();*/
3701
3702         _trace();
3703
3704         /*if (!packages.empty())
3705             CFQSortArray(&packages.front(), packages.size(), sizeof(packages.front()), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare_), NULL);*/
3706         //std::sort(packages.begin(), packages.end(), PackageNameOrdering());
3707
3708         //CFArraySortValues((CFMutableArrayRef) packages_, CFRangeMake(0, [packages_ count]), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3709
3710         CFArrayInsertionSortValues(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3711
3712         //[packages_ sortUsingFunction:reinterpret_cast<NSComparisonResult (*)(id, id, void *)>(&PackageNameCompare) context:NULL];
3713
3714         _trace();
3715
3716         size_t count(CFArrayGetCount(packages_));
3717         MetaFile_->active_ = count;
3718
3719         for (size_t index(0); index != count; ++index)
3720             [(Package *) CFArrayGetValueAtIndex(packages_, index) setIndex:index];
3721
3722         _trace();
3723     }
3724 } }
3725
3726 - (void) clear {
3727 @synchronized (self) {
3728     delete resolver_;
3729     resolver_ = new pkgProblemResolver(cache_);
3730
3731     for (pkgCache::PkgIterator iterator(cache_->PkgBegin()); !iterator.end(); ++iterator)
3732         if (!cache_[iterator].Keep())
3733             cache_->MarkKeep(iterator, false);
3734         else if ((cache_[iterator].iFlags & pkgDepCache::ReInstall) != 0)
3735             cache_->SetReInstall(iterator, false);
3736 } }
3737
3738 - (void) configure {
3739     NSString *dpkg = [NSString stringWithFormat:@"dpkg --configure -a --status-fd %u", statusfd_];
3740     _trace();
3741     system([dpkg UTF8String]);
3742     _trace();
3743 }
3744
3745 - (bool) clean {
3746 @synchronized (self) {
3747     // XXX: I don't remember this condition
3748     if (lock_ != NULL)
3749         return false;
3750
3751     FileFd Lock;
3752     Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3753
3754     NSString *title(UCLocalize("CLEAN_ARCHIVES"));
3755
3756     if ([self popErrorWithTitle:title])
3757         return false;
3758
3759     pkgAcquire fetcher;
3760     fetcher.Clean(_config->FindDir("Dir::Cache::Archives"));
3761
3762     CydiaLogCleaner cleaner;
3763     if ([self popErrorWithTitle:title forOperation:cleaner.Go(_config->FindDir("Dir::Cache::Archives") + "partial/", cache_)])
3764         return false;
3765
3766     return true;
3767 } }
3768
3769 - (bool) prepare {
3770     fetcher_->Shutdown();
3771
3772     pkgRecords records(cache_);
3773
3774     lock_ = new FileFd();
3775     lock_->Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3776
3777     NSString *title(UCLocalize("PREPARE_ARCHIVES"));
3778
3779     if ([self popErrorWithTitle:title])
3780         return false;
3781
3782     pkgSourceList list;
3783     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3784         return false;
3785
3786     manager_ = (_system->CreatePM(cache_));
3787     if ([self popErrorWithTitle:title forOperation:manager_->GetArchives(fetcher_, &list, &records)])
3788         return false;
3789
3790     return true;
3791 }
3792
3793 - (void) perform {
3794     bool substrate(RestartSubstrate_);
3795     RestartSubstrate_ = false;
3796
3797     NSString *title(UCLocalize("PERFORM_SELECTIONS"));
3798
3799     NSMutableArray *before = [NSMutableArray arrayWithCapacity:16]; {
3800         pkgSourceList list;
3801         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3802             return;
3803         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3804             [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3805     }
3806
3807     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3808
3809     if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue) {
3810         _trace();
3811         [self popErrorWithTitle:title];
3812         return;
3813     }
3814
3815     bool failed = false;
3816     for (pkgAcquire::ItemIterator item = fetcher_->ItemsBegin(); item != fetcher_->ItemsEnd(); item++) {
3817         if ((*item)->Status == pkgAcquire::Item::StatDone && (*item)->Complete)
3818             continue;
3819         if ((*item)->Status == pkgAcquire::Item::StatIdle)
3820             continue;
3821
3822         std::string uri = (*item)->DescURI();
3823         std::string error = (*item)->ErrorText;
3824
3825         lprintf("pAf:%s:%s\n", uri.c_str(), error.c_str());
3826         failed = true;
3827
3828         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:kCydiaProgressEventTypeError]);
3829         [delegate_ addProgressEventOnMainThread:event forTask:title];
3830     }
3831
3832     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3833
3834     if (failed) {
3835         _trace();
3836         return;
3837     }
3838
3839     if (substrate)
3840         RestartSubstrate_ = true;
3841
3842     _system->UnLock();
3843     pkgPackageManager::OrderResult result = manager_->DoInstall(statusfd_);
3844     if ([self popErrorWithTitle:title])
3845         return;
3846
3847     if (result == pkgPackageManager::Failed) {
3848         _trace();
3849         return;
3850     }
3851
3852     if (result != pkgPackageManager::Completed) {
3853         _trace();
3854         return;
3855     }
3856
3857     NSMutableArray *after = [NSMutableArray arrayWithCapacity:16]; {
3858         pkgSourceList list;
3859         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3860             return;
3861         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3862             [after addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3863     }
3864
3865     if (![before isEqualToArray:after])
3866         [self update];
3867 }
3868
3869 - (bool) upgrade {
3870     NSString *title(UCLocalize("UPGRADE"));
3871     if ([self popErrorWithTitle:title forOperation:pkgDistUpgrade(cache_)])
3872         return false;
3873     return true;
3874 }
3875
3876 - (void) update {
3877     [self updateWithStatus:status_];
3878 }
3879
3880 - (void) updateWithStatus:(CancelStatus &)status {
3881     NSString *title(UCLocalize("REFRESHING_DATA"));
3882
3883     pkgSourceList list;
3884     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3885         return;
3886
3887     FileFd lock;
3888     lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
3889     if ([self popErrorWithTitle:title])
3890         return;
3891
3892     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3893
3894     bool success(ListUpdate(status, list, PulseInterval_));
3895     if (status.WasCancelled())
3896         _error->Discard();
3897     else {
3898         [self popErrorWithTitle:title forOperation:success];
3899         [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
3900         Changed_ = true;
3901     }
3902
3903     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3904 }
3905
3906 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate {
3907     delegate_ = delegate;
3908 }
3909
3910 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate {
3911     progress_ = delegate;
3912     status_.setDelegate(delegate);
3913 }
3914
3915 - (NSObject<ProgressDelegate> *) progressDelegate {
3916     return progress_;
3917 }
3918
3919 - (Source *) getSource:(pkgCache::PkgFileIterator)file {
3920     SourceMap::const_iterator i(sourceMap_.find(file->ID));
3921     return i == sourceMap_.end() ? nil : i->second;
3922 }
3923
3924 - (void) setFetch:(bool)fetch forURI:(const char *)uri {
3925     for (Source *source in (id) sourceList_)
3926         [source setFetch:fetch forURI:uri];
3927 }
3928
3929 - (void) resetFetch {
3930     for (Source *source in (id) sourceList_)
3931         [source resetFetch];
3932 }
3933
3934 - (NSString *) mappedSectionForPointer:(const char *)section {
3935     _H<NSString> *mapped;
3936
3937     _profile(Database$mappedSectionForPointer$Cache)
3938         mapped = &sections_[section];
3939     _end
3940
3941     if (*mapped == NULL) {
3942         size_t length(strlen(section));
3943         char spaced[length + 1];
3944
3945         _profile(Database$mappedSectionForPointer$Replace)
3946             for (size_t index(0); index != length; ++index)
3947                 spaced[index] = section[index] == '_' ? ' ' : section[index];
3948             spaced[length] = '\0';
3949         _end
3950
3951         NSString *string;
3952
3953         _profile(Database$mappedSectionForPointer$stringWithUTF8String)
3954             string = [NSString stringWithUTF8String:spaced];
3955         _end
3956
3957         _profile(Database$mappedSectionForPointer$Map)
3958             string = [SectionMap_ objectForKey:string] ?: string;
3959         _end
3960
3961         *mapped = string;
3962     } return *mapped;
3963 }
3964
3965 @end
3966 /* }}} */
3967
3968 static _H<NSMutableSet> Diversions_;
3969
3970 @interface Diversion : NSObject {
3971     Pcre pattern_;
3972     _H<NSString> key_;
3973     _H<NSString> format_;
3974 }
3975
3976 @end
3977
3978 @implementation Diversion
3979
3980 - (id) initWithFrom:(NSString *)from to:(NSString *)to {
3981     if ((self = [super init]) != nil) {
3982         pattern_ = [from UTF8String];
3983         key_ = from;
3984         format_ = to;
3985     } return self;
3986 }
3987
3988 - (NSString *) divert:(NSString *)url {
3989     return !pattern_(url) ? nil : pattern_->*format_;
3990 }
3991
3992 + (NSURL *) divertURL:(NSURL *)url {
3993   divert:
3994     NSString *href([url absoluteString]);
3995
3996     for (Diversion *diversion in (id) Diversions_)
3997         if (NSString *diverted = [diversion divert:href]) {
3998 #if !ForRelease
3999             NSLog(@"div: %@", diverted);
4000 #endif
4001             url = [NSURL URLWithString:diverted];
4002             goto divert;
4003         }
4004
4005     return url;
4006 }
4007
4008 - (NSString *) key {
4009     return key_;
4010 }
4011
4012 - (NSUInteger) hash {
4013     return [key_ hash];
4014 }
4015
4016 - (BOOL) isEqual:(Diversion *)object {
4017     return self == object || [self class] == [object class] && [key_ isEqual:[object key]];
4018 }
4019
4020 @end
4021
4022 @interface CydiaObject : NSObject {
4023     _H<CyteWebViewController> indirect_;
4024     _transient id delegate_;
4025 }
4026
4027 - (id) initWithDelegate:(IndirectDelegate *)indirect;
4028
4029 @end
4030
4031 @class CydiaObject;
4032
4033 @interface CydiaWebViewController : CyteWebViewController {
4034     _H<CydiaObject> cydia_;
4035 }
4036
4037 + (void) addDiversion:(Diversion *)diversion;
4038 + (NSURLRequest *) requestWithHeaders:(NSURLRequest *)request;
4039 + (void) didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame withCydia:(CydiaObject *)cydia;
4040 - (void) setDelegate:(id)delegate;
4041
4042 @end
4043
4044 /* Web Scripting {{{ */
4045 @implementation CydiaObject
4046
4047 - (id) initWithDelegate:(IndirectDelegate *)indirect {
4048     if ((self = [super init]) != nil) {
4049         indirect_ = (CyteWebViewController *) indirect;
4050     } return self;
4051 }
4052
4053 - (void) setDelegate:(id)delegate {
4054     delegate_ = delegate;
4055 }
4056
4057 + (NSArray *) _attributeKeys {
4058     return [NSArray arrayWithObjects:
4059         @"bbsnum",
4060         @"build",
4061         @"coreFoundationVersionNumber",
4062         @"device",
4063         @"ecid",
4064         @"firmware",
4065         @"hostname",
4066         @"idiom",
4067         @"mcc",
4068         @"mnc",
4069         @"model",
4070         @"operator",
4071         @"role",
4072         @"serial",
4073         @"token",
4074         @"version",
4075     nil];
4076 }
4077
4078 - (NSArray *) attributeKeys {
4079     return [[self class] _attributeKeys];
4080 }
4081
4082 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
4083     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
4084 }
4085
4086 - (NSString *) version {
4087     return Cydia_;
4088 }
4089
4090 - (NSString *) build {
4091     return System_;
4092 }
4093
4094 - (NSString *) coreFoundationVersionNumber {
4095     return [NSString stringWithFormat:@"%.2f", kCFCoreFoundationVersionNumber];
4096 }
4097
4098 - (NSString *) device {
4099     return UniqueIdentifier();
4100 }
4101
4102 - (NSString *) firmware {
4103     return [[UIDevice currentDevice] systemVersion];
4104 }
4105
4106 - (NSString *) hostname {
4107     return [[UIDevice currentDevice] name];
4108 }
4109
4110 - (NSString *) idiom {
4111     return (id) Idiom_ ?: [NSNull null];
4112 }
4113
4114 - (NSString *) mcc {
4115     if (CFStringRef (*$CTSIMSupportCopyMobileSubscriberCountryCode)(CFAllocatorRef) = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode")))
4116         return [(NSString *) (*$CTSIMSupportCopyMobileSubscriberCountryCode)(kCFAllocatorDefault) autorelease];
4117     return nil;
4118 }
4119
4120 - (NSString *) mnc {
4121     if (CFStringRef (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(CFAllocatorRef) = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberNetworkCode")))
4122         return [(NSString *) (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(kCFAllocatorDefault) autorelease];
4123     return nil;
4124 }
4125
4126 - (NSString *) operator {
4127     if (CFStringRef (*$CTRegistrationCopyOperatorName)(CFAllocatorRef) = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTRegistrationCopyOperatorName")))
4128         return [(NSString *) (*$CTRegistrationCopyOperatorName)(kCFAllocatorDefault) autorelease];
4129     return nil;
4130 }
4131
4132 - (NSString *) bbsnum {
4133     return (id) BBSNum_ ?: [NSNull null];
4134 }
4135
4136 - (NSString *) ecid {
4137     return (id) ChipID_ ?: [NSNull null];
4138 }
4139
4140 - (NSString *) serial {
4141     return SerialNumber_;
4142 }
4143
4144 - (NSString *) role {
4145     return (id) [NSNull null];
4146 }
4147
4148 - (NSString *) model {
4149     return [NSString stringWithUTF8String:Machine_];
4150 }
4151
4152 - (NSString *) token {
4153     return (id) Token_ ?: [NSNull null];
4154 }
4155
4156 + (NSString *) webScriptNameForSelector:(SEL)selector {
4157     if (false);
4158     else if (selector == @selector(addBridgedHost:))
4159         return @"addBridgedHost";
4160     else if (selector == @selector(addInsecureHost:))
4161         return @"addInsecureHost";
4162     else if (selector == @selector(addInternalRedirect::))
4163         return @"addInternalRedirect";
4164     else if (selector == @selector(addPipelinedHost:scheme:))
4165         return @"addPipelinedHost";
4166     else if (selector == @selector(addSource:::))
4167         return @"addSource";
4168     else if (selector == @selector(addTokenHost:))
4169         return @"addTokenHost";
4170     else if (selector == @selector(addTrivialSource:))
4171         return @"addTrivialSource";
4172     else if (selector == @selector(close))
4173         return @"close";
4174     else if (selector == @selector(du:))
4175         return @"du";
4176     else if (selector == @selector(stringWithFormat:arguments:))
4177         return @"format";
4178     else if (selector == @selector(getAllSources))
4179         return @"getAllSources";
4180     else if (selector == @selector(getApplicationInfo:value:))
4181         return @"getApplicationInfoValue";
4182     else if (selector == @selector(getKernelNumber:))
4183         return @"getKernelNumber";
4184     else if (selector == @selector(getKernelString:))
4185         return @"getKernelString";
4186     else if (selector == @selector(getInstalledPackages))
4187         return @"getInstalledPackages";
4188     else if (selector == @selector(getIORegistryEntry::))
4189         return @"getIORegistryEntry";
4190     else if (selector == @selector(getLocaleIdentifier))
4191         return @"getLocaleIdentifier";
4192     else if (selector == @selector(getPreferredLanguages))
4193         return @"getPreferredLanguages";
4194     else if (selector == @selector(getPackageById:))
4195         return @"getPackageById";
4196     else if (selector == @selector(getMetadataKeys))
4197         return @"getMetadataKeys";
4198     else if (selector == @selector(getMetadataValue:))
4199         return @"getMetadataValue";
4200     else if (selector == @selector(getSessionValue:))
4201         return @"getSessionValue";
4202     else if (selector == @selector(installPackages:))
4203         return @"installPackages";
4204     else if (selector == @selector(isReachable:))
4205         return @"isReachable";
4206     else if (selector == @selector(localizedStringForKey:value:table:))
4207         return @"localize";
4208     else if (selector == @selector(popViewController:))
4209         return @"popViewController";
4210     else if (selector == @selector(refreshSources))
4211         return @"refreshSources";
4212     else if (selector == @selector(registerFrame:))
4213         return @"registerFrame";
4214     else if (selector == @selector(removeButton))
4215         return @"removeButton";
4216     else if (selector == @selector(saveConfig))
4217         return @"saveConfig";
4218     else if (selector == @selector(setMetadataValue::))
4219         return @"setMetadataValue";
4220     else if (selector == @selector(setSessionValue::))
4221         return @"setSessionValue";
4222     else if (selector == @selector(substitutePackageNames:))
4223         return @"substitutePackageNames";
4224     else if (selector == @selector(scrollToBottom:))
4225         return @"scrollToBottom";
4226     else if (selector == @selector(setAllowsNavigationAction:))
4227         return @"setAllowsNavigationAction";
4228     else if (selector == @selector(setBadgeValue:))
4229         return @"setBadgeValue";
4230     else if (selector == @selector(setButtonImage:withStyle:toFunction:))
4231         return @"setButtonImage";
4232     else if (selector == @selector(setButtonTitle:withStyle:toFunction:))
4233         return @"setButtonTitle";
4234     else if (selector == @selector(setHidesBackButton:))
4235         return @"setHidesBackButton";
4236     else if (selector == @selector(setHidesNavigationBar:))
4237         return @"setHidesNavigationBar";
4238     else if (selector == @selector(setNavigationBarStyle:))
4239         return @"setNavigationBarStyle";
4240     else if (selector == @selector(setNavigationBarTintRed:green:blue:alpha:))
4241         return @"setNavigationBarTintColor";
4242     else if (selector == @selector(setPasteboardString:))
4243         return @"setPasteboardString";
4244     else if (selector == @selector(setPasteboardURL:))
4245         return @"setPasteboardURL";
4246     else if (selector == @selector(setScrollAlwaysBounceVertical:))
4247         return @"setScrollAlwaysBounceVertical";
4248     else if (selector == @selector(setScrollIndicatorStyle:))
4249         return @"setScrollIndicatorStyle";
4250     else if (selector == @selector(setToken:))
4251         return @"setToken";
4252     else if (selector == @selector(setViewportWidth:))
4253         return @"setViewportWidth";
4254     else if (selector == @selector(statfs:))
4255         return @"statfs";
4256     else if (selector == @selector(supports:))
4257         return @"supports";
4258     else if (selector == @selector(unload))
4259         return @"unload";
4260     else
4261         return nil;
4262 }
4263
4264 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
4265     return [self webScriptNameForSelector:selector] == nil;
4266 }
4267
4268 - (BOOL) supports:(NSString *)feature {
4269     return [feature isEqualToString:@"window.open"];
4270 }
4271
4272 - (void) unload {
4273     [delegate_ performSelectorOnMainThread:@selector(unloadData) withObject:nil waitUntilDone:NO];
4274 }
4275
4276 - (void) setScrollAlwaysBounceVertical:(NSNumber *)value {
4277     [indirect_ performSelectorOnMainThread:@selector(setScrollAlwaysBounceVerticalNumber:) withObject:value waitUntilDone:NO];
4278 }
4279
4280 - (void) setScrollIndicatorStyle:(NSString *)style {
4281     [indirect_ performSelectorOnMainThread:@selector(setScrollIndicatorStyleWithName:) withObject:style waitUntilDone:NO];
4282 }
4283
4284 - (void) addInternalRedirect:(NSString *)from :(NSString *)to {
4285     [CydiaWebViewController performSelectorOnMainThread:@selector(addDiversion:) withObject:[[[Diversion alloc] initWithFrom:from to:to] autorelease] waitUntilDone:NO];
4286 }
4287
4288 - (NSDictionary *) getApplicationInfo:(NSString *)display value:(NSString *)key {
4289     char path[1024];
4290     if (SBBundlePathForDisplayIdentifier(SBSSpringBoardServerPort(), [display UTF8String], path) != 0)
4291         return (id) [NSNull null];
4292     NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:[[NSString stringWithUTF8String:path] stringByAppendingString:@"/Info.plist"]]);
4293     if (info == nil)
4294         return (id) [NSNull null];
4295     return [info objectForKey:key];
4296 }
4297
4298 - (NSNumber *) getKernelNumber:(NSString *)name {
4299     const char *string([name UTF8String]);
4300
4301     size_t size;
4302     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4303         return (id) [NSNull null];
4304
4305     if (size != sizeof(int))
4306         return (id) [NSNull null];
4307
4308     int value;
4309     if (sysctlbyname(string, &value, &size, NULL, 0) == -1)
4310         return (id) [NSNull null];
4311
4312     return [NSNumber numberWithInt:value];
4313 }
4314
4315 - (NSString *) getKernelString:(NSString *)name {
4316     const char *string([name UTF8String]);
4317
4318     size_t size;
4319     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4320         return (id) [NSNull null];
4321
4322     char value[size + 1];
4323     if (sysctlbyname(string, value, &size, NULL, 0) == -1)
4324         return (id) [NSNull null];
4325
4326     // XXX: just in case you request something ludicrous
4327     value[size] = '\0';
4328
4329     return [NSString stringWithCString:value];
4330 }
4331
4332 - (NSObject *) getIORegistryEntry:(NSString *)path :(NSString *)entry {
4333     NSObject *value(CYIOGetValue([path UTF8String], entry));
4334
4335     if (value != nil)
4336         if ([value isKindOfClass:[NSData class]])
4337             value = CYHex((NSData *) value);
4338
4339     return value;
4340 }
4341
4342 - (NSArray *) getMetadataKeys {
4343 @synchronized (Values_) {
4344     return [Values_ allKeys];
4345 } }
4346
4347 - (void) registerFrame:(DOMHTMLIFrameElement *)iframe {
4348     WebFrame *frame([iframe contentFrame]);
4349     [indirect_ registerFrame:frame];
4350 }
4351
4352 - (id) getMetadataValue:(NSString *)key {
4353 @synchronized (Values_) {
4354     return [Values_ objectForKey:key];
4355 } }
4356
4357 - (void) setMetadataValue:(NSString *)key :(NSString *)value {
4358 @synchronized (Values_) {
4359     if (value == nil || value == (id) [WebUndefined undefined] || value == (id) [NSNull null])
4360         [Values_ removeObjectForKey:key];
4361     else
4362         [Values_ setObject:value forKey:key];
4363
4364     [delegate_ performSelectorOnMainThread:@selector(updateValues) withObject:nil waitUntilDone:YES];
4365 } }
4366
4367 - (id) getSessionValue:(NSString *)key {
4368 @synchronized (SessionData_) {
4369     return [SessionData_ objectForKey:key];
4370 } }
4371
4372 - (void) setSessionValue:(NSString *)key :(NSString *)value {
4373 @synchronized (SessionData_) {
4374     if (value == (id) [WebUndefined undefined])
4375         [SessionData_ removeObjectForKey:key];
4376     else
4377         [SessionData_ setObject:value forKey:key];
4378 } }
4379
4380 - (void) addBridgedHost:(NSString *)host {
4381 @synchronized (HostConfig_) {
4382     [BridgedHosts_ addObject:host];
4383 } }
4384
4385 - (void) addInsecureHost:(NSString *)host {
4386 @synchronized (HostConfig_) {
4387     [InsecureHosts_ addObject:host];
4388 } }
4389
4390 - (void) addTokenHost:(NSString *)host {
4391 @synchronized (HostConfig_) {
4392     [TokenHosts_ addObject:host];
4393 } }
4394
4395 - (void) addPipelinedHost:(NSString *)host scheme:(NSString *)scheme {
4396 @synchronized (HostConfig_) {
4397     if (scheme != (id) [WebUndefined undefined])
4398         host = [NSString stringWithFormat:@"%@:%@", [scheme lowercaseString], host];
4399
4400     [PipelinedHosts_ addObject:host];
4401 } }
4402
4403 - (void) popViewController:(NSNumber *)value {
4404     if (value == (id) [WebUndefined undefined])
4405         value = [NSNumber numberWithBool:YES];
4406     [indirect_ performSelectorOnMainThread:@selector(popViewControllerWithNumber:) withObject:value waitUntilDone:NO];
4407 }
4408
4409 - (void) addSource:(NSString *)href :(NSString *)distribution :(WebScriptObject *)sections {
4410     NSMutableArray *array([NSMutableArray arrayWithCapacity:[sections count]]);
4411
4412     for (NSString *section in sections)
4413         [array addObject:section];
4414
4415     [delegate_ performSelectorOnMainThread:@selector(addSource:) withObject:[NSMutableDictionary dictionaryWithObjectsAndKeys:
4416         @"deb", @"Type",
4417         href, @"URI",
4418         distribution, @"Distribution",
4419         array, @"Sections",
4420     nil] waitUntilDone:NO];
4421 }
4422
4423 - (void) addTrivialSource:(NSString *)href {
4424     [delegate_ performSelectorOnMainThread:@selector(addTrivialSource:) withObject:href waitUntilDone:NO];
4425 }
4426
4427 - (void) refreshSources {
4428     [delegate_ performSelectorOnMainThread:@selector(syncData) withObject:nil waitUntilDone:NO];
4429 }
4430
4431 - (void) saveConfig {
4432     [delegate_ performSelectorOnMainThread:@selector(_saveConfig) withObject:nil waitUntilDone:NO];
4433 }
4434
4435 - (NSArray *) getAllSources {
4436     return [[Database sharedInstance] sources];
4437 }
4438
4439 - (NSArray *) getInstalledPackages {
4440     Database *database([Database sharedInstance]);
4441 @synchronized (database) {
4442     NSArray *packages([database packages]);
4443     NSMutableArray *installed([NSMutableArray arrayWithCapacity:1024]);
4444     for (Package *package in packages)
4445         if (![package uninstalled])
4446             [installed addObject:package];
4447     return installed;
4448 } }
4449
4450 - (Package *) getPackageById:(NSString *)id {
4451     if (Package *package = [[Database sharedInstance] packageWithName:id]) {
4452         [package parse];
4453         return package;
4454     } else
4455         return (Package *) [NSNull null];
4456 }
4457
4458 - (NSString *) getLocaleIdentifier {
4459     return Locale_ == NULL ? (NSString *) [NSNull null] : (NSString *) CFLocaleGetIdentifier(Locale_);
4460 }
4461
4462 - (NSArray *) getPreferredLanguages {
4463     return Languages_;
4464 }
4465
4466 - (NSArray *) statfs:(NSString *)path {
4467     struct statfs stat;
4468
4469     if (path == nil || statfs([path UTF8String], &stat) == -1)
4470         return nil;
4471
4472     return [NSArray arrayWithObjects:
4473         [NSNumber numberWithUnsignedLong:stat.f_bsize],
4474         [NSNumber numberWithUnsignedLong:stat.f_blocks],
4475         [NSNumber numberWithUnsignedLong:stat.f_bfree],
4476     nil];
4477 }
4478
4479 - (NSNumber *) du:(NSString *)path {
4480     NSNumber *value(nil);
4481
4482     int fds[2];
4483     _assert(pipe(fds) != -1);
4484
4485     pid_t pid(ExecFork());
4486     if (pid == 0) {
4487         _assert(dup2(fds[1], 1) != -1);
4488         _assert(close(fds[0]) != -1);
4489         _assert(close(fds[1]) != -1);
4490         /* XXX: this should probably not use du */
4491         execl("/usr/libexec/cydia/du", "du", "-s", [path UTF8String], NULL);
4492         exit(1);
4493     } else {
4494         _assert(close(fds[1]) != -1);
4495
4496         if (FILE *du = fdopen(fds[0], "r")) {
4497             char line[1024];
4498             while (fgets(line, sizeof(line), du) != NULL) {
4499                 size_t length(strlen(line));
4500                 while (length != 0 && line[length - 1] == '\n')
4501                     line[--length] = '\0';
4502                 if (char *tab = strchr(line, '\t')) {
4503                     *tab = '\0';
4504                     value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
4505                 }
4506             }
4507
4508             fclose(du);
4509         } else
4510             _assert(close(fds[0]) != -1);
4511     } ReapZombie(pid);
4512
4513     return value;
4514 }
4515
4516 - (void) close {
4517     [indirect_ performSelectorOnMainThread:@selector(close) withObject:nil waitUntilDone:NO];
4518 }
4519
4520 - (NSNumber *) isReachable:(NSString *)name {
4521     return [NSNumber numberWithBool:IsReachable([name UTF8String])];
4522 }
4523
4524 - (void) installPackages:(NSArray *)packages {
4525     [delegate_ performSelectorOnMainThread:@selector(installPackages:) withObject:packages waitUntilDone:NO];
4526 }
4527
4528 - (NSString *) substitutePackageNames:(NSString *)message {
4529     NSMutableArray *words([[[message componentsSeparatedByString:@" "] mutableCopy] autorelease]);
4530     for (size_t i(0), e([words count]); i != e; ++i) {
4531         NSString *word([words objectAtIndex:i]);
4532         if (Package *package = [[Database sharedInstance] packageWithName:word])
4533             [words replaceObjectAtIndex:i withObject:[package name]];
4534     }
4535
4536     return [words componentsJoinedByString:@" "];
4537 }
4538
4539 - (void) removeButton {
4540     [indirect_ removeButton];
4541 }
4542
4543 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4544     [indirect_ setButtonImage:button withStyle:style toFunction:function];
4545 }
4546
4547 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4548     [indirect_ setButtonTitle:button withStyle:style toFunction:function];
4549 }
4550
4551 - (void) setBadgeValue:(id)value {
4552     [indirect_ performSelectorOnMainThread:@selector(setBadgeValue:) withObject:value waitUntilDone:NO];
4553 }
4554
4555 - (void) setAllowsNavigationAction:(NSString *)value {
4556     [indirect_ performSelectorOnMainThread:@selector(setAllowsNavigationActionByNumber:) withObject:value waitUntilDone:NO];
4557 }
4558
4559 - (void) setHidesBackButton:(NSString *)value {
4560     [indirect_ performSelectorOnMainThread:@selector(setHidesBackButtonByNumber:) withObject:value waitUntilDone:NO];
4561 }
4562
4563 - (void) setHidesNavigationBar:(NSString *)value {
4564     [indirect_ performSelectorOnMainThread:@selector(setHidesNavigationBarByNumber:) withObject:value waitUntilDone:NO];
4565 }
4566
4567 - (void) setNavigationBarStyle:(NSString *)value {
4568     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarStyle:) withObject:value waitUntilDone:NO];
4569 }
4570
4571 - (void) setNavigationBarTintRed:(NSNumber *)red green:(NSNumber *)green blue:(NSNumber *)blue alpha:(NSNumber *)alpha {
4572     float opacity(alpha == (id) [WebUndefined undefined] ? 1 : [alpha floatValue]);
4573     UIColor *color([UIColor colorWithRed:[red floatValue] green:[green floatValue] blue:[blue floatValue] alpha:opacity]);
4574     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarTintColor:) withObject:color waitUntilDone:NO];
4575 }
4576
4577 - (void) setPasteboardString:(NSString *)value {
4578     [[objc_getClass("UIPasteboard") generalPasteboard] setString:value];
4579 }
4580
4581 - (void) setPasteboardURL:(NSString *)value {
4582     [[objc_getClass("UIPasteboard") generalPasteboard] setURL:[NSURL URLWithString:value]];
4583 }
4584
4585 - (void) _setToken:(NSString *)token {
4586     Token_ = token;
4587
4588     if (token == nil)
4589         [Metadata_ removeObjectForKey:@"Token"];
4590     else
4591         [Metadata_ setObject:Token_ forKey:@"Token"];
4592
4593     Changed_ = true;
4594 }
4595
4596 - (void) setToken:(NSString *)token {
4597     [self performSelectorOnMainThread:@selector(_setToken:) withObject:token waitUntilDone:NO];
4598 }
4599
4600 - (void) scrollToBottom:(NSNumber *)animated {
4601     [indirect_ performSelectorOnMainThread:@selector(scrollToBottomAnimated:) withObject:animated waitUntilDone:NO];
4602 }
4603
4604 - (void) setViewportWidth:(float)width {
4605     [indirect_ setViewportWidthOnMainThread:width];
4606 }
4607
4608 - (NSString *) stringWithFormat:(NSString *)format arguments:(WebScriptObject *)arguments {
4609     //NSLog(@"SWF:\"%@\" A:%@", format, [arguments description]);
4610     unsigned count([arguments count]);
4611     id values[count];
4612     for (unsigned i(0); i != count; ++i)
4613         values[i] = [arguments objectAtIndex:i];
4614     return [[[NSString alloc] initWithFormat:format arguments:reinterpret_cast<va_list>(values)] autorelease];
4615 }
4616
4617 - (NSString *) localizedStringForKey:(NSString *)key value:(NSString *)value table:(NSString *)table {
4618     if (reinterpret_cast<id>(value) == [WebUndefined undefined])
4619         value = nil;
4620     if (reinterpret_cast<id>(table) == [WebUndefined undefined])
4621         table = nil;
4622     return [[NSBundle mainBundle] localizedStringForKey:key value:value table:table];
4623 }
4624
4625 @end
4626 /* }}} */
4627
4628 @interface NSURL (CydiaSecure)
4629 @end
4630
4631 @implementation NSURL (CydiaSecure)
4632
4633 - (bool) isCydiaSecure {
4634     if ([[[self scheme] lowercaseString] isEqualToString:@"https"])
4635         return true;
4636
4637     @synchronized (HostConfig_) {
4638         if ([InsecureHosts_ containsObject:[self host]])
4639             return true;
4640     }
4641
4642     return false;
4643 }
4644
4645 @end
4646
4647 /* Cydia Browser Controller {{{ */
4648 @implementation CydiaWebViewController
4649
4650 - (NSURL *) navigationURL {
4651     return request_ == nil ? nil : [NSURL URLWithString:[NSString stringWithFormat:@"cydia://url/%@", [[request_ URL] absoluteString]]];
4652 }
4653
4654 + (void) _initialize {
4655     [super _initialize];
4656
4657     Diversions_ = [NSMutableSet setWithCapacity:0];
4658 }
4659
4660 + (void) addDiversion:(Diversion *)diversion {
4661     [Diversions_ addObject:diversion];
4662 }
4663
4664 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4665     [super webView:view didClearWindowObject:window forFrame:frame];
4666     [CydiaWebViewController didClearWindowObject:window forFrame:frame withCydia:cydia_];
4667 }
4668
4669 + (void) didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame withCydia:(CydiaObject *)cydia {
4670     WebDataSource *source([frame dataSource]);
4671     NSURLResponse *response([source response]);
4672     NSURL *url([response URL]);
4673     NSString *scheme([[url scheme] lowercaseString]);
4674
4675     bool bridged(false);
4676
4677     @synchronized (HostConfig_) {
4678         if ([scheme isEqualToString:@"file"])
4679             bridged = true;
4680         else if ([scheme isEqualToString:@"https"])
4681             if ([BridgedHosts_ containsObject:[url host]])
4682                 bridged = true;
4683     }
4684
4685     if (bridged)
4686         [window setValue:cydia forKey:@"cydia"];
4687 }
4688
4689 - (void) _setupMail:(MFMailComposeViewController *)controller {
4690     [controller addAttachmentData:[NSData dataWithContentsOfFile:@"/tmp/cydia.log"] mimeType:@"text/plain" fileName:@"cydia.log"];
4691
4692     system("/usr/bin/dpkg -l >/tmp/dpkgl.log");
4693     [controller addAttachmentData:[NSData dataWithContentsOfFile:@"/tmp/dpkgl.log"] mimeType:@"text/plain" fileName:@"dpkgl.log"];
4694 }
4695
4696 - (NSURL *) URLWithURL:(NSURL *)url {
4697     return [Diversion divertURL:url];
4698 }
4699
4700 - (NSURLRequest *) webView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
4701     return [CydiaWebViewController requestWithHeaders:[super webView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source]];
4702 }
4703
4704 + (NSURLRequest *) requestWithHeaders:(NSURLRequest *)request {
4705     NSMutableURLRequest *copy([[request mutableCopy] autorelease]);
4706
4707     NSURL *url([copy URL]);
4708     NSString *href([url absoluteString]);
4709     NSString *host([url host]);
4710
4711     if ([href hasPrefix:@"https://cydia.saurik.com/TSS/"]) {
4712         if (NSString *agent = [copy valueForHTTPHeaderField:@"X-User-Agent"]) {
4713             [copy setValue:agent forHTTPHeaderField:@"User-Agent"];
4714             [copy setValue:nil forHTTPHeaderField:@"X-User-Agent"];
4715         }
4716
4717         [copy setValue:nil forHTTPHeaderField:@"Referer"];
4718         [copy setValue:nil forHTTPHeaderField:@"Origin"];
4719
4720         [copy setURL:[NSURL URLWithString:[@"http://gs.apple.com/TSS/" stringByAppendingString:[href substringFromIndex:29]]]];
4721         return copy;
4722     }
4723
4724     if ([copy valueForHTTPHeaderField:@"X-Cydia-Cf"] == nil)
4725         [copy setValue:[NSString stringWithFormat:@"%.2f", kCFCoreFoundationVersionNumber] forHTTPHeaderField:@"X-Cydia-Cf"];
4726     if (Machine_ != NULL && [copy valueForHTTPHeaderField:@"X-Machine"] == nil)
4727         [copy setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
4728
4729     bool bridged;
4730     bool token;
4731
4732     @synchronized (HostConfig_) {
4733         bridged = [BridgedHosts_ containsObject:host];
4734         token = [TokenHosts_ containsObject:host];
4735     }
4736
4737     if ([url isCydiaSecure]) {
4738         if (bridged) {
4739             if (UniqueID_ != nil && [copy valueForHTTPHeaderField:@"X-Cydia-Id"] == nil)
4740                 [copy setValue:UniqueID_ forHTTPHeaderField:@"X-Cydia-Id"];
4741         } else if (token) {
4742             if (Token_ != nil && [copy valueForHTTPHeaderField:@"X-Cydia-Token"] == nil)
4743                 [copy setValue:Token_ forHTTPHeaderField:@"X-Cydia-Token"];
4744         }
4745     }
4746
4747     return copy;
4748 }
4749
4750 - (void) setDelegate:(id)delegate {
4751     [super setDelegate:delegate];
4752     [cydia_ setDelegate:delegate];
4753 }
4754
4755 - (NSString *) applicationNameForUserAgent {
4756     return UserAgent_;
4757 }
4758
4759 - (id) init {
4760     if ((self = [super initWithWidth:0 ofClass:[CydiaWebViewController class]]) != nil) {
4761         cydia_ = [[[CydiaObject alloc] initWithDelegate:indirect_] autorelease];
4762     } return self;
4763 }
4764
4765 @end
4766
4767 @interface AppCacheController : CydiaWebViewController {
4768 }
4769
4770 @end
4771
4772 @implementation AppCacheController
4773
4774 - (void) didReceiveMemoryWarning {
4775     // XXX: this doesn't work
4776 }
4777
4778 - (bool) retainsNetworkActivityIndicator {
4779     return false;
4780 }
4781
4782 @end
4783 /* }}} */
4784
4785 // CydiaScript {{{
4786 @interface NSObject (CydiaScript)
4787 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context;
4788 @end
4789
4790 @implementation NSObject (CydiaScript)
4791
4792 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4793     return self;
4794 }
4795
4796 @end
4797
4798 @implementation NSArray (CydiaScript)
4799
4800 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4801     WebScriptObject *object([context evaluateWebScript:@"[]"]);
4802     for (size_t i(0), e([self count]); i != e; ++i)
4803         [object setWebScriptValueAtIndex:i value:[[self objectAtIndex:i] Cydia$webScriptObjectInContext:context]];
4804     return object;
4805 }
4806
4807 @end
4808
4809 @implementation NSDictionary (CydiaScript)
4810
4811 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4812     WebScriptObject *object([context evaluateWebScript:@"({})"]);
4813     for (id i in self)
4814         [object setValue:[[self objectForKey:i] Cydia$webScriptObjectInContext:context] forKey:i];
4815     return object;
4816 }
4817
4818 @end
4819 // }}}
4820
4821 /* Confirmation Controller {{{ */
4822 bool DepSubstrate(const pkgCache::VerIterator &iterator) {
4823     if (!iterator.end())
4824         for (pkgCache::DepIterator dep(iterator.DependsList()); !dep.end(); ++dep) {
4825             if (dep->Type != pkgCache::Dep::Depends && dep->Type != pkgCache::Dep::PreDepends)
4826                 continue;
4827             pkgCache::PkgIterator package(dep.TargetPkg());
4828             if (package.end())
4829                 continue;
4830             if (strcmp(package.Name(), "mobilesubstrate") == 0)
4831                 return true;
4832         }
4833
4834     return false;
4835 }
4836
4837 @protocol ConfirmationControllerDelegate
4838 - (void) cancelAndClear:(bool)clear;
4839 - (void) confirmWithNavigationController:(UINavigationController *)navigation;
4840 - (void) queue;
4841 @end
4842
4843 @interface ConfirmationController : CydiaWebViewController {
4844     _transient Database *database_;
4845
4846     _H<UIAlertView> essential_;
4847
4848     _H<NSDictionary> changes_;
4849     _H<NSMutableArray> issues_;
4850     _H<NSDictionary> sizes_;
4851
4852     BOOL substrate_;
4853 }
4854
4855 - (id) initWithDatabase:(Database *)database;
4856
4857 @end
4858
4859 @implementation ConfirmationController
4860
4861 - (void) complete {
4862     if (substrate_)
4863         RestartSubstrate_ = true;
4864     [delegate_ confirmWithNavigationController:[self navigationController]];
4865 }
4866
4867 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
4868     NSString *context([alert context]);
4869
4870     if ([context isEqualToString:@"remove"]) {
4871         if (button == [alert cancelButtonIndex])
4872             [self dismissModalViewControllerAnimated:YES];
4873         else if (button == [alert firstOtherButtonIndex]) {
4874             [self performSelector:@selector(complete) withObject:nil afterDelay:0];
4875         }
4876
4877         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4878     } else if ([context isEqualToString:@"unable"]) {
4879         [self dismissModalViewControllerAnimated:YES];
4880         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4881     } else {
4882         [super alertView:alert clickedButtonAtIndex:button];
4883     }
4884 }
4885
4886 - (void) _doContinue {
4887     [delegate_ cancelAndClear:NO];
4888     [self dismissModalViewControllerAnimated:YES];
4889 }
4890
4891 - (id) invokeDefaultMethodWithArguments:(NSArray *)args {
4892     [self performSelectorOnMainThread:@selector(_doContinue) withObject:nil waitUntilDone:NO];
4893     return nil;
4894 }
4895
4896 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4897     [super webView:view didClearWindowObject:window forFrame:frame];
4898
4899     [window setValue:[[NSDictionary dictionaryWithObjectsAndKeys:
4900         (id) changes_, @"changes",
4901         (id) issues_, @"issues",
4902         (id) sizes_, @"sizes",
4903         self, @"queue",
4904     nil] Cydia$webScriptObjectInContext:window] forKey:@"cydiaConfirm"];
4905 }
4906
4907 - (id) initWithDatabase:(Database *)database {
4908     if ((self = [super init]) != nil) {
4909         database_ = database;
4910
4911         NSMutableArray *installs([NSMutableArray arrayWithCapacity:16]);
4912         NSMutableArray *reinstalls([NSMutableArray arrayWithCapacity:16]);
4913         NSMutableArray *upgrades([NSMutableArray arrayWithCapacity:16]);
4914         NSMutableArray *downgrades([NSMutableArray arrayWithCapacity:16]);
4915         NSMutableArray *removes([NSMutableArray arrayWithCapacity:16]);
4916
4917         bool remove(false);
4918
4919         pkgCacheFile &cache([database_ cache]);
4920         NSArray *packages([database_ packages]);
4921         pkgDepCache::Policy *policy([database_ policy]);
4922
4923         issues_ = [NSMutableArray arrayWithCapacity:4];
4924
4925         for (Package *package in packages) {
4926             pkgCache::PkgIterator iterator([package iterator]);
4927             NSString *name([package id]);
4928
4929             if ([package broken]) {
4930                 NSMutableArray *reasons([NSMutableArray arrayWithCapacity:4]);
4931
4932                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4933                     name, @"package",
4934                     reasons, @"reasons",
4935                 nil]];
4936
4937                 pkgCache::VerIterator ver(cache[iterator].InstVerIter(cache));
4938                 if (ver.end())
4939                     continue;
4940
4941                 for (pkgCache::DepIterator dep(ver.DependsList()); !dep.end(); ) {
4942                     pkgCache::DepIterator start;
4943                     pkgCache::DepIterator end;
4944                     dep.GlobOr(start, end); // ++dep
4945
4946                     if (!cache->IsImportantDep(end))
4947                         continue;
4948                     if ((cache[end] & pkgDepCache::DepGInstall) != 0)
4949                         continue;
4950
4951                     NSMutableArray *clauses([NSMutableArray arrayWithCapacity:4]);
4952
4953                     [reasons addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4954                         [NSString stringWithUTF8String:start.DepType()], @"relationship",
4955                         clauses, @"clauses",
4956                     nil]];
4957
4958                     _forever {
4959                         NSString *reason, *installed((NSString *) [WebUndefined undefined]);
4960
4961                         pkgCache::PkgIterator target(start.TargetPkg());
4962                         if (target->ProvidesList != 0)
4963                             reason = @"missing";
4964                         else {
4965                             pkgCache::VerIterator ver(cache[target].InstVerIter(cache));
4966                             if (!ver.end()) {
4967                                 reason = @"installed";
4968                                 installed = [NSString stringWithUTF8String:ver.VerStr()];
4969                             } else if (!cache[target].CandidateVerIter(cache).end())
4970                                 reason = @"uninstalled";
4971                             else if (target->ProvidesList == 0)
4972                                 reason = @"uninstallable";
4973                             else
4974                                 reason = @"virtual";
4975                         }
4976
4977                         NSDictionary *version(start.TargetVer() == 0 ? (NSDictionary *) [NSNull null] : [NSDictionary dictionaryWithObjectsAndKeys:
4978                             [NSString stringWithUTF8String:start.CompType()], @"operator",
4979                             [NSString stringWithUTF8String:start.TargetVer()], @"value",
4980                         nil]);
4981
4982                         [clauses addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4983                             [NSString stringWithUTF8String:start.TargetPkg().Name()], @"package",
4984                             version, @"version",
4985                             reason, @"reason",
4986                             installed, @"installed",
4987                         nil]];
4988
4989                         // yes, seriously. (wtf?)
4990                         if (start == end)
4991                             break;
4992                         ++start;
4993                     }
4994                 }
4995             }
4996
4997             pkgDepCache::StateCache &state(cache[iterator]);
4998
4999             static Pcre special_r("^(firmware$|gsc\\.|cy\\+)");
5000
5001             if (state.NewInstall())
5002                 [installs addObject:name];
5003             // XXX: else if (state.Install())
5004             else if (!state.Delete() && (state.iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
5005                 [reinstalls addObject:name];
5006             // XXX: move before previous if
5007             else if (state.Upgrade())
5008                 [upgrades addObject:name];
5009             else if (state.Downgrade())
5010                 [downgrades addObject:name];
5011             else if (!state.Delete())
5012                 // XXX: _assert(state.Keep());
5013                 continue;
5014             else if (special_r(name))
5015                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
5016                     [NSNull null], @"package",
5017                     [NSArray arrayWithObjects:
5018                         [NSDictionary dictionaryWithObjectsAndKeys:
5019                             @"Conflicts", @"relationship",
5020                             [NSArray arrayWithObjects:
5021                                 [NSDictionary dictionaryWithObjectsAndKeys:
5022                                     name, @"package",
5023                                     [NSNull null], @"version",
5024                                     @"installed", @"reason",
5025                                 nil],
5026                             nil], @"clauses",
5027                         nil],
5028                     nil], @"reasons",
5029                 nil]];
5030             else {
5031                 if ([package essential])
5032                     remove = true;
5033                 [removes addObject:name];
5034             }
5035
5036             substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
5037             substrate_ |= DepSubstrate(iterator.CurrentVer());
5038         }
5039
5040         if (!remove)
5041             essential_ = nil;
5042         else if (Advanced_) {
5043             NSString *parenthetical(UCLocalize("PARENTHETICAL"));
5044
5045             essential_ = [[[UIAlertView alloc]
5046                 initWithTitle:UCLocalize("REMOVING_ESSENTIALS")
5047                 message:UCLocalize("REMOVING_ESSENTIALS_EX")
5048                 delegate:self
5049                 cancelButtonTitle:[NSString stringWithFormat:parenthetical, UCLocalize("CANCEL_OPERATION"), UCLocalize("SAFE")]
5050                 otherButtonTitles:
5051                     [NSString stringWithFormat:parenthetical, UCLocalize("FORCE_REMOVAL"), UCLocalize("UNSAFE")],
5052                 nil
5053             ] autorelease];
5054
5055             [essential_ setContext:@"remove"];
5056             [essential_ setNumberOfRows:2];
5057         } else {
5058             essential_ = [[[UIAlertView alloc]
5059                 initWithTitle:UCLocalize("UNABLE_TO_COMPLY")
5060                 message:UCLocalize("UNABLE_TO_COMPLY_EX")
5061                 delegate:self
5062                 cancelButtonTitle:UCLocalize("OKAY")
5063                 otherButtonTitles:nil
5064             ] autorelease];
5065
5066             [essential_ setContext:@"unable"];
5067         }
5068
5069         changes_ = [NSDictionary dictionaryWithObjectsAndKeys:
5070             installs, @"installs",
5071             reinstalls, @"reinstalls",
5072             upgrades, @"upgrades",
5073             downgrades, @"downgrades",
5074             removes, @"removes",
5075         nil];
5076
5077         sizes_ = [NSDictionary dictionaryWithObjectsAndKeys:
5078             [NSNumber numberWithInteger:[database_ fetcher].FetchNeeded()], @"downloading",
5079             [NSNumber numberWithInteger:[database_ fetcher].PartialPresent()], @"resuming",
5080         nil];
5081
5082         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/confirm/", UI_]]];
5083     } return self;
5084 }
5085
5086 - (UIBarButtonItem *) leftButton {
5087     return [[[UIBarButtonItem alloc]
5088         initWithTitle:UCLocalize("CANCEL")
5089         style:UIBarButtonItemStylePlain
5090         target:self
5091         action:@selector(cancelButtonClicked)
5092     ] autorelease];
5093 }
5094
5095 #if !AlwaysReload
5096 - (void) applyRightButton {
5097     if ([issues_ count] == 0 && ![self isLoading])
5098         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
5099             initWithTitle:UCLocalize("CONFIRM")
5100             style:UIBarButtonItemStyleDone
5101             target:self
5102             action:@selector(confirmButtonClicked)
5103         ] autorelease]];
5104     else
5105         [[self navigationItem] setRightBarButtonItem:nil];
5106 }
5107 #endif
5108
5109 - (void) cancelButtonClicked {
5110     [delegate_ cancelAndClear:YES];
5111     [self dismissModalViewControllerAnimated:YES];
5112 }
5113
5114 #if !AlwaysReload
5115 - (void) confirmButtonClicked {
5116     if (essential_ != nil)
5117         [essential_ show];
5118     else
5119         [self complete];
5120 }
5121 #endif
5122
5123 @end
5124 /* }}} */
5125
5126 /* Progress Data {{{ */
5127 @interface CydiaProgressData : NSObject {
5128     _transient id delegate_;
5129
5130     bool running_;
5131     float percent_;
5132
5133     float current_;
5134     float total_;
5135     float speed_;
5136
5137     _H<NSMutableArray> events_;
5138     _H<NSString> title_;
5139
5140     _H<NSString> status_;
5141     _H<NSString> finish_;
5142 }
5143
5144 @end
5145
5146 @implementation CydiaProgressData
5147
5148 + (NSArray *) _attributeKeys {
5149     return [NSArray arrayWithObjects:
5150         @"current",
5151         @"events",
5152         @"finish",
5153         @"percent",
5154         @"running",
5155         @"speed",
5156         @"title",
5157         @"total",
5158     nil];
5159 }
5160
5161 - (NSArray *) attributeKeys {
5162     return [[self class] _attributeKeys];
5163 }
5164
5165 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
5166     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
5167 }
5168
5169 - (id) init {
5170     if ((self = [super init]) != nil) {
5171         events_ = [NSMutableArray arrayWithCapacity:32];
5172     } return self;
5173 }
5174
5175 - (id) delegate {
5176     return delegate_;
5177 }
5178
5179 - (void) setDelegate:(id)delegate {
5180     delegate_ = delegate;
5181 }
5182
5183 - (void) setPercent:(float)value {
5184     percent_ = value;
5185 }
5186
5187 - (NSNumber *) percent {
5188     return [NSNumber numberWithFloat:percent_];
5189 }
5190
5191 - (void) setCurrent:(float)value {
5192     current_ = value;
5193 }
5194
5195 - (NSNumber *) current {
5196     return [NSNumber numberWithFloat:current_];
5197 }
5198
5199 - (void) setTotal:(float)value {
5200     total_ = value;
5201 }
5202
5203 - (NSNumber *) total {
5204     return [NSNumber numberWithFloat:total_];
5205 }
5206
5207 - (void) setSpeed:(float)value {
5208     speed_ = value;
5209 }
5210
5211 - (NSNumber *) speed {
5212     return [NSNumber numberWithFloat:speed_];
5213 }
5214
5215 - (NSArray *) events {
5216     return events_;
5217 }
5218
5219 - (void) removeAllEvents {
5220     [events_ removeAllObjects];
5221 }
5222
5223 - (void) addEvent:(CydiaProgressEvent *)event {
5224     [events_ addObject:event];
5225 }
5226
5227 - (void) setTitle:(NSString *)text {
5228     title_ = text;
5229 }
5230
5231 - (NSString *) title {
5232     return title_;
5233 }
5234
5235 - (void) setFinish:(NSString *)text {
5236     finish_ = text;
5237 }
5238
5239 - (NSString *) finish {
5240     return (id) finish_ ?: [NSNull null];
5241 }
5242
5243 - (void) setRunning:(bool)running {
5244     running_ = running;
5245 }
5246
5247 - (NSNumber *) running {
5248     return running_ ? (NSNumber *) kCFBooleanTrue : (NSNumber *) kCFBooleanFalse;
5249 }
5250
5251 @end
5252 /* }}} */
5253 /* Progress Controller {{{ */
5254 @interface ProgressController : CydiaWebViewController <
5255     ProgressDelegate
5256 > {
5257     _transient Database *database_;
5258     _H<CydiaProgressData, 1> progress_;
5259     unsigned cancel_;
5260 }
5261
5262 - (id) initWithDatabase:(Database *)database delegate:(id)delegate;
5263
5264 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title;
5265
5266 - (void) setTitle:(NSString *)title;
5267 - (void) setCancellable:(bool)cancellable;
5268
5269 @end
5270
5271 @implementation ProgressController
5272
5273 - (void) dealloc {
5274     [database_ setProgressDelegate:nil];
5275     [super dealloc];
5276 }
5277
5278 - (UIBarButtonItem *) leftButton {
5279     return cancel_ == 1 ? [[[UIBarButtonItem alloc]
5280         initWithTitle:UCLocalize("CANCEL")
5281         style:UIBarButtonItemStylePlain
5282         target:self
5283         action:@selector(cancel)
5284     ] autorelease] : nil;
5285 }
5286
5287 - (void) updateCancel {
5288     [super applyLeftButton];
5289 }
5290
5291 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
5292     if ((self = [super init]) != nil) {
5293         database_ = database;
5294         delegate_ = delegate;
5295
5296         [database_ setProgressDelegate:self];
5297
5298         progress_ = [[[CydiaProgressData alloc] init] autorelease];
5299         [progress_ setDelegate:self];
5300
5301         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/progress/", UI_]]];
5302
5303         [scroller_ setBackgroundColor:[UIColor blackColor]];
5304
5305         [[self navigationItem] setHidesBackButton:YES];
5306
5307         [self updateCancel];
5308     } return self;
5309 }
5310
5311 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
5312     [super webView:view didClearWindowObject:window forFrame:frame];
5313     [window setValue:progress_ forKey:@"cydiaProgress"];
5314 }
5315
5316 - (void) updateProgress {
5317     [self dispatchEvent:@"CydiaProgressUpdate"];
5318 }
5319
5320 - (void) viewWillAppear:(BOOL)animated {
5321     [[[self navigationController] navigationBar] setBarStyle:UIBarStyleBlack];
5322     [super viewWillAppear:animated];
5323 }
5324
5325 - (void) reloadSpringBoard {
5326     if (kCFCoreFoundationVersionNumber > 700) { // XXX: iOS 6.x
5327         system("/bin/launchctl stop com.apple.backboardd");
5328         sleep(15);
5329         system("/usr/bin/killall backboardd SpringBoard sbreload");
5330         return;
5331     }
5332
5333     pid_t pid(ExecFork());
5334     if (pid == 0) {
5335         if (setsid() == -1)
5336             perror("setsid");
5337
5338         pid_t pid(ExecFork());
5339         if (pid == 0) {
5340             execl("/usr/bin/sbreload", "sbreload", NULL);
5341             perror("sbreload");
5342
5343             exit(0);
5344         } ReapZombie(pid);
5345
5346         exit(0);
5347     } ReapZombie(pid);
5348
5349     sleep(15);
5350     system("/usr/bin/killall backboardd SpringBoard sbreload");
5351 }
5352
5353 - (void) close {
5354     UpdateExternalStatus(0);
5355
5356     if (Finish_ > 1)
5357         [delegate_ saveState];
5358
5359     switch (Finish_) {
5360         case 0:
5361             [delegate_ returnToCydia];
5362         break;
5363
5364         case 1:
5365             [delegate_ terminateWithSuccess];
5366             /*if ([delegate_ respondsToSelector:@selector(suspendWithAnimation:)])
5367                 [delegate_ suspendWithAnimation:YES];
5368             else
5369                 [delegate_ suspend];*/
5370         break;
5371
5372         case 2:
5373             _trace();
5374             goto reload;
5375
5376         case 3:
5377             _trace();
5378             goto reload;
5379
5380         reload: {
5381             UIProgressHUD *hud([delegate_ addProgressHUD]);
5382             [hud setText:UCLocalize("LOADING")];
5383             [self performSelector:@selector(reloadSpringBoard) withObject:nil afterDelay:0.5];
5384             return;
5385         }
5386
5387         case 4:
5388             _trace();
5389             if (void (*SBReboot)(mach_port_t) = reinterpret_cast<void (*)(mach_port_t)>(dlsym(RTLD_DEFAULT, "SBReboot")))
5390                 SBReboot(SBSSpringBoardServerPort());
5391             else
5392                 reboot2(RB_AUTOBOOT);
5393         break;
5394     }
5395
5396     [super close];
5397 }
5398
5399 - (void) setTitle:(NSString *)title {
5400     [progress_ setTitle:title];
5401     [self updateProgress];
5402 }
5403
5404 - (UIBarButtonItem *) rightButton {
5405     return [[progress_ running] boolValue] ? [super rightButton] : [[[UIBarButtonItem alloc]
5406         initWithTitle:UCLocalize("CLOSE")
5407         style:UIBarButtonItemStylePlain
5408         target:self
5409         action:@selector(close)
5410     ] autorelease];
5411 }
5412
5413 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title {
5414     UpdateExternalStatus(1);
5415
5416     [progress_ setRunning:true];
5417     [self setTitle:title];
5418     // implicit updateProgress
5419
5420     SHA1SumValue notifyconf; {
5421         FileFd file;
5422         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5423             _error->Discard();
5424         else {
5425             MMap mmap(file, MMap::ReadOnly);
5426             SHA1Summation sha1;
5427             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5428             notifyconf = sha1.Result();
5429         }
5430     }
5431
5432     SHA1SumValue springlist; {
5433         FileFd file;
5434         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5435             _error->Discard();
5436         else {
5437             MMap mmap(file, MMap::ReadOnly);
5438             SHA1Summation sha1;
5439             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5440             springlist = sha1.Result();
5441         }
5442     }
5443
5444     if (invocation != nil) {
5445         [invocation yieldToSelector:@selector(invoke)];
5446         [self setTitle:@"COMPLETE"];
5447     }
5448
5449     if (Finish_ < 4) {
5450         FileFd file;
5451         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5452             _error->Discard();
5453         else {
5454             MMap mmap(file, MMap::ReadOnly);
5455             SHA1Summation sha1;
5456             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5457             if (!(notifyconf == sha1.Result()))
5458                 Finish_ = 4;
5459         }
5460     }
5461
5462     if (Finish_ < 3) {
5463         FileFd file;
5464         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5465             _error->Discard();
5466         else {
5467             MMap mmap(file, MMap::ReadOnly);
5468             SHA1Summation sha1;
5469             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5470             if (!(springlist == sha1.Result()))
5471                 Finish_ = 3;
5472         }
5473     }
5474
5475     if (Finish_ < 2) {
5476         if (RestartSubstrate_)
5477             Finish_ = 2;
5478     }
5479
5480     RestartSubstrate_ = false;
5481
5482     switch (Finish_) {
5483         case 0: [progress_ setFinish:UCLocalize("RETURN_TO_CYDIA")]; break; /* XXX: Maybe UCLocalize("DONE")? */
5484         case 1: [progress_ setFinish:UCLocalize("CLOSE_CYDIA")]; break;
5485         case 2: [progress_ setFinish:UCLocalize("RESTART_SPRINGBOARD")]; break;
5486         case 3: [progress_ setFinish:UCLocalize("RELOAD_SPRINGBOARD")]; break;
5487         case 4: [progress_ setFinish:UCLocalize("REBOOT_DEVICE")]; break;
5488     }
5489
5490     UpdateExternalStatus(Finish_ == 0 ? 0 : 2);
5491
5492     [progress_ setRunning:false];
5493     [self updateProgress];
5494
5495     [self applyRightButton];
5496 }
5497
5498 - (void) addProgressEvent:(CydiaProgressEvent *)event {
5499     [progress_ addEvent:event];
5500     [self updateProgress];
5501 }
5502
5503 - (bool) isProgressCancelled {
5504     return cancel_ == 2;
5505 }
5506
5507 - (void) cancel {
5508     cancel_ = 2;
5509     [self updateCancel];
5510 }
5511
5512 - (void) setCancellable:(bool)cancellable {
5513     unsigned cancel(cancel_);
5514
5515     if (!cancellable)
5516         cancel_ = 0;
5517     else if (cancel_ == 0)
5518         cancel_ = 1;
5519
5520     if (cancel != cancel_)
5521         [self updateCancel];
5522 }
5523
5524 - (void) setProgressCancellable:(NSNumber *)cancellable {
5525     [self setCancellable:[cancellable boolValue]];
5526 }
5527
5528 - (void) setProgressPercent:(NSNumber *)percent {
5529     [progress_ setPercent:[percent floatValue]];
5530     [self updateProgress];
5531 }
5532
5533 - (void) setProgressStatus:(NSDictionary *)status {
5534     if (status == nil) {
5535         [progress_ setCurrent:0];
5536         [progress_ setTotal:0];
5537         [progress_ setSpeed:0];
5538     } else {
5539         [progress_ setPercent:[[status objectForKey:@"Percent"] floatValue]];
5540
5541         [progress_ setCurrent:[[status objectForKey:@"Current"] floatValue]];
5542         [progress_ setTotal:[[status objectForKey:@"Total"] floatValue]];
5543         [progress_ setSpeed:[[status objectForKey:@"Speed"] floatValue]];
5544     }
5545
5546     [self updateProgress];
5547 }
5548
5549 @end
5550 /* }}} */
5551
5552 /* Package Cell {{{ */
5553 @interface PackageCell : CyteTableViewCell <
5554     CyteTableViewCellDelegate
5555 > {
5556     _H<UIImage> icon_;
5557     _H<NSString> name_;
5558     _H<NSString> description_;
5559     bool commercial_;
5560     _H<NSString> source_;
5561     _H<UIImage> badge_;
5562     _H<UIImage> placard_;
5563     bool summarized_;
5564 }
5565
5566 - (PackageCell *) init;
5567 - (void) setPackage:(Package *)package asSummary:(bool)summary;
5568
5569 - (void) drawContentRect:(CGRect)rect;
5570
5571 @end
5572
5573 @implementation PackageCell
5574
5575 - (PackageCell *) init {
5576     CGRect frame(CGRectMake(0, 0, 320, 74));
5577     if ((self = [super initWithFrame:frame reuseIdentifier:@"Package"]) != nil) {
5578         UIView *content([self contentView]);
5579         CGRect bounds([content bounds]);
5580
5581         content_ = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
5582         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5583         [content addSubview:content_];
5584
5585         [content_ setDelegate:self];
5586         [content_ setOpaque:YES];
5587     } return self;
5588 }
5589
5590 - (NSString *) accessibilityLabel {
5591     return name_;
5592 }
5593
5594 - (void) setPackage:(Package *)package asSummary:(bool)summary {
5595     summarized_ = summary;
5596
5597     icon_ = nil;
5598     name_ = nil;
5599     description_ = nil;
5600     source_ = nil;
5601     badge_ = nil;
5602     placard_ = nil;
5603
5604     if (package == nil)
5605         [content_ setBackgroundColor:[UIColor whiteColor]];
5606     else {
5607         [package parse];
5608
5609         Source *source = [package source];
5610
5611         icon_ = [package icon];
5612
5613         if (NSString *name = [package name])
5614             name_ = [NSString stringWithString:name];
5615
5616         if (NSString *description = [package shortDescription])
5617             description_ = [NSString stringWithString:description];
5618
5619         commercial_ = [package isCommercial];
5620
5621         NSString *label = nil;
5622         bool trusted = false;
5623
5624         if (source != nil) {
5625             label = [source label];
5626             trusted = [source trusted];
5627         } else if ([[package id] isEqualToString:@"firmware"])
5628             label = UCLocalize("APPLE");
5629         else
5630             label = [NSString stringWithFormat:UCLocalize("SLASH_DELIMITED"), UCLocalize("UNKNOWN"), UCLocalize("LOCAL")];
5631
5632         NSString *from(label);
5633
5634         NSString *section = [package simpleSection];
5635         if (section != nil && ![section isEqualToString:label]) {
5636             section = [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
5637             from = [NSString stringWithFormat:UCLocalize("PARENTHETICAL"), from, section];
5638         }
5639
5640         source_ = [NSString stringWithFormat:UCLocalize("FROM"), from];
5641
5642         if (NSString *purpose = [package primaryPurpose])
5643             badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]];
5644
5645         UIColor *color;
5646         NSString *placard;
5647
5648         if (NSString *mode = [package mode]) {
5649             if ([mode isEqualToString:@"REMOVE"] || [mode isEqualToString:@"PURGE"]) {
5650                 color = RemovingColor_;
5651                 placard = @"removing";
5652             } else {
5653                 color = InstallingColor_;
5654                 placard = @"installing";
5655             }
5656         } else {
5657             color = [UIColor whiteColor];
5658
5659             if ([package installed] != nil)
5660                 placard = @"installed";
5661             else
5662                 placard = nil;
5663         }
5664
5665         [content_ setBackgroundColor:color];
5666
5667         if (placard != nil)
5668             placard_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/%@.png", App_, placard]];
5669     }
5670
5671     [self setNeedsDisplay];
5672     [content_ setNeedsDisplay];
5673 }
5674
5675 - (void) drawSummaryContentRect:(CGRect)rect {
5676     bool highlighted(highlighted_);
5677     float width([self bounds].size.width);
5678
5679     if (icon_ != nil) {
5680         CGRect rect;
5681         rect.size = [(UIImage *) icon_ size];
5682
5683         while (rect.size.width > 16 || rect.size.height > 16) {
5684             rect.size.width /= 2;
5685             rect.size.height /= 2;
5686         }
5687
5688         rect.origin.x = 19 - rect.size.width / 2;
5689         rect.origin.y = 19 - rect.size.height / 2;
5690
5691         [icon_ drawInRect:rect];
5692     }
5693
5694     if (badge_ != nil) {
5695         CGRect rect;
5696         rect.size = [(UIImage *) badge_ size];
5697
5698         rect.size.width /= 4;
5699         rect.size.height /= 4;
5700
5701         rect.origin.x = 25 - rect.size.width / 2;
5702         rect.origin.y = 25 - rect.size.height / 2;
5703
5704         [badge_ drawInRect:rect];
5705     }
5706
5707     if (highlighted && kCFCoreFoundationVersionNumber < 800)
5708         UISetColor(White_);
5709
5710     if (!highlighted)
5711         UISetColor(commercial_ ? Purple_ : Black_);
5712     [name_ drawAtPoint:CGPointMake(36, 8) forWidth:(width - (placard_ == nil ? 68 : 94)) withFont:Font18Bold_ lineBreakMode:NSLineBreakByTruncatingTail];
5713
5714     if (placard_ != nil)
5715         [placard_ drawAtPoint:CGPointMake(width - 52, 11)];
5716 }
5717
5718 - (void) drawNormalContentRect:(CGRect)rect {
5719     bool highlighted(highlighted_);
5720     float width([self bounds].size.width);
5721
5722     if (icon_ != nil) {
5723         CGRect rect;
5724         rect.size = [(UIImage *) icon_ size];
5725
5726         while (rect.size.width > 32 || rect.size.height > 32) {
5727             rect.size.width /= 2;
5728             rect.size.height /= 2;
5729         }
5730
5731         rect.origin.x = 25 - rect.size.width / 2;
5732         rect.origin.y = 25 - rect.size.height / 2;
5733
5734         [icon_ drawInRect:rect];
5735     }
5736
5737     if (badge_ != nil) {
5738         CGRect rect;
5739         rect.size = [(UIImage *) badge_ size];
5740
5741         rect.size.width /= 2;
5742         rect.size.height /= 2;
5743
5744         rect.origin.x = 36 - rect.size.width / 2;
5745         rect.origin.y = 36 - rect.size.height / 2;
5746
5747         [badge_ drawInRect:rect];
5748     }
5749
5750     if (highlighted && kCFCoreFoundationVersionNumber < 800)
5751         UISetColor(White_);
5752
5753     if (!highlighted)
5754         UISetColor(commercial_ ? Purple_ : Black_);
5755     [name_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - (placard_ == nil ? 80 : 106)) withFont:Font18Bold_ lineBreakMode:NSLineBreakByTruncatingTail];
5756     [source_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:NSLineBreakByTruncatingTail];
5757
5758     if (!highlighted)
5759         UISetColor(commercial_ ? Purplish_ : Gray_);
5760     [description_ drawAtPoint:CGPointMake(12, 46) forWidth:(width - 46) withFont:Font14_ lineBreakMode:NSLineBreakByTruncatingTail];
5761
5762     if (placard_ != nil)
5763         [placard_ drawAtPoint:CGPointMake(width - 52, 9)];
5764 }
5765
5766 - (void) drawContentRect:(CGRect)rect {
5767     if (summarized_)
5768         [self drawSummaryContentRect:rect];
5769     else
5770         [self drawNormalContentRect:rect];
5771 }
5772
5773 @end
5774 /* }}} */
5775 /* Section Cell {{{ */
5776 @interface SectionCell : CyteTableViewCell <
5777     CyteTableViewCellDelegate
5778 > {
5779     _H<NSString> basic_;
5780     _H<NSString> section_;
5781     _H<NSString> name_;
5782     _H<NSString> count_;
5783     _H<UIImage> icon_;
5784     _H<UISwitch> switch_;
5785     BOOL editing_;
5786 }
5787
5788 - (void) setSection:(Section *)section editing:(BOOL)editing;
5789
5790 @end
5791
5792 @implementation SectionCell
5793
5794 - (id) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
5795     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
5796         icon_ = [UIImage applicationImageNamed:@"folder.png"];
5797         // XXX: this initial frame is wrong, but is fixed later
5798         switch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(218, 9, 60, 25)] autorelease];
5799         [switch_ addTarget:self action:@selector(onSwitch:) forEvents:UIControlEventValueChanged];
5800
5801         UIView *content([self contentView]);
5802         CGRect bounds([content bounds]);
5803
5804         content_ = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
5805         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5806         [content addSubview:content_];
5807         [content_ setBackgroundColor:[UIColor whiteColor]];
5808
5809         [content_ setDelegate:self];
5810     } return self;
5811 }
5812
5813 - (void) onSwitch:(id)sender {
5814     NSMutableDictionary *metadata([Sections_ objectForKey:basic_]);
5815     if (metadata == nil) {
5816         metadata = [NSMutableDictionary dictionaryWithCapacity:2];
5817         [Sections_ setObject:metadata forKey:basic_];
5818     }
5819
5820     [metadata setObject:[NSNumber numberWithBool:([switch_ isOn] == NO)] forKey:@"Hidden"];
5821     Changed_ = true;
5822 }
5823
5824 - (void) setSection:(Section *)section editing:(BOOL)editing {
5825     if (editing != editing_) {
5826         if (editing_)
5827             [switch_ removeFromSuperview];
5828         else
5829             [self addSubview:switch_];
5830         editing_ = editing;
5831     }
5832
5833     basic_ = nil;
5834     section_ = nil;
5835     name_ = nil;
5836     count_ = nil;
5837
5838     if (section == nil) {
5839         name_ = UCLocalize("ALL_PACKAGES");
5840         count_ = nil;
5841     } else {
5842         basic_ = [section name];
5843         section_ = [section localized];
5844
5845         name_  = section_ == nil || [section_ length] == 0 ? UCLocalize("NO_SECTION") : (NSString *) section_;
5846         count_ = [NSString stringWithFormat:@"%zd", [section count]];
5847
5848         if (editing_)
5849             [switch_ setOn:(isSectionVisible(basic_) ? 1 : 0) animated:NO];
5850     }
5851
5852     [self setAccessoryType:editing ? UITableViewCellAccessoryNone : UITableViewCellAccessoryDisclosureIndicator];
5853     [self setSelectionStyle:editing ? UITableViewCellSelectionStyleNone : UITableViewCellSelectionStyleBlue];
5854
5855     [content_ setNeedsDisplay];
5856 }
5857
5858 - (void) setFrame:(CGRect)frame {
5859     [super setFrame:frame];
5860
5861     CGRect rect([switch_ frame]);
5862     [switch_ setFrame:CGRectMake(frame.size.width - rect.size.width - 9, 9, rect.size.width, rect.size.height)];
5863 }
5864
5865 - (NSString *) accessibilityLabel {
5866     return name_;
5867 }
5868
5869 - (void) drawContentRect:(CGRect)rect {
5870     bool highlighted(highlighted_ && !editing_);
5871
5872     [icon_ drawInRect:CGRectMake(7, 7, 32, 32)];
5873
5874     if (highlighted && kCFCoreFoundationVersionNumber < 800)
5875         UISetColor(White_);
5876
5877     float width(rect.size.width);
5878     if (editing_)
5879         width -= 9 + [switch_ frame].size.width;
5880
5881     if (!highlighted)
5882         UISetColor(Black_);
5883     [name_ drawAtPoint:CGPointMake(48, 12) forWidth:(width - 58) withFont:Font18_ lineBreakMode:NSLineBreakByTruncatingTail];
5884
5885     CGSize size = [count_ sizeWithFont:Font14_];
5886
5887     UISetColor(Folder_);
5888     if (count_ != nil)
5889         [count_ drawAtPoint:CGPointMake(10 + (30 - size.width) / 2, 18) withFont:Font12Bold_];
5890 }
5891
5892 @end
5893 /* }}} */
5894
5895 /* File Table {{{ */
5896 @interface FileTable : CyteViewController <
5897     UITableViewDataSource,
5898     UITableViewDelegate
5899 > {
5900     _transient Database *database_;
5901     _H<Package> package_;
5902     _H<NSString> name_;
5903     _H<NSMutableArray> files_;
5904     _H<UITableView, 2> list_;
5905 }
5906
5907 - (id) initWithDatabase:(Database *)database;
5908 - (void) setPackage:(Package *)package;
5909
5910 @end
5911
5912 @implementation FileTable
5913
5914 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
5915     return files_ == nil ? 0 : [files_ count];
5916 }
5917
5918 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
5919     return 24.0f;
5920 }*/
5921
5922 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
5923     static NSString *reuseIdentifier = @"Cell";
5924
5925     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
5926     if (cell == nil) {
5927         cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
5928         [cell setFont:[UIFont systemFontOfSize:16]];
5929     }
5930     [cell setText:[files_ objectAtIndex:indexPath.row]];
5931     [cell setSelectionStyle:UITableViewCellSelectionStyleNone];
5932
5933     return cell;
5934 }
5935
5936 - (NSURL *) navigationURL {
5937     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/files", [package_ id]]];
5938 }
5939
5940 - (void) loadView {
5941     list_ = [[[UITableView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease];
5942     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5943     [list_ setRowHeight:24.0f];
5944     [(UITableView *) list_ setDataSource:self];
5945     [list_ setDelegate:self];
5946     [self setView:list_];
5947 }
5948
5949 - (void) viewDidLoad {
5950     [super viewDidLoad];
5951
5952     [[self navigationItem] setTitle:UCLocalize("INSTALLED_FILES")];
5953 }
5954
5955 - (void) releaseSubviews {
5956     list_ = nil;
5957
5958     package_ = nil;
5959     files_ = nil;
5960
5961     [super releaseSubviews];
5962 }
5963
5964 - (id) initWithDatabase:(Database *)database {
5965     if ((self = [super init]) != nil) {
5966         database_ = database;
5967     } return self;
5968 }
5969
5970 - (void) setPackage:(Package *)package {
5971     package_ = nil;
5972     name_ = nil;
5973
5974     files_ = [NSMutableArray arrayWithCapacity:32];
5975
5976     if (package != nil) {
5977         package_ = package;
5978         name_ = [package id];
5979
5980         if (NSArray *files = [package files])
5981             [files_ addObjectsFromArray:files];
5982
5983         if ([files_ count] != 0) {
5984             if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
5985                 [files_ removeObjectAtIndex:0];
5986             [files_ sortUsingSelector:@selector(compareByPath:)];
5987
5988             NSMutableArray *stack = [NSMutableArray arrayWithCapacity:8];
5989             [stack addObject:@"/"];
5990
5991             for (int i(0), e([files_ count]); i != e; ++i) {
5992                 NSString *file = [files_ objectAtIndex:i];
5993                 while (![file hasPrefix:[stack lastObject]])
5994                     [stack removeLastObject];
5995                 NSString *directory = [stack lastObject];
5996                 [stack addObject:[file stringByAppendingString:@"/"]];
5997                 [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
5998                     ([stack count] - 2) * 3, "",
5999                     [file substringFromIndex:[directory length]]
6000                 ]];
6001             }
6002         }
6003     }
6004
6005     [list_ reloadData];
6006 }
6007
6008 - (void) reloadData {
6009     [super reloadData];
6010
6011     [self setPackage:[database_ packageWithName:name_]];
6012 }
6013
6014 @end
6015 /* }}} */
6016 /* Package Controller {{{ */
6017 @interface CYPackageController : CydiaWebViewController <
6018     UIActionSheetDelegate
6019 > {
6020     _transient Database *database_;
6021     _H<Package> package_;
6022     _H<NSString> name_;
6023     bool commercial_;
6024     _H<NSMutableArray> buttons_;
6025     _H<UIBarButtonItem> button_;
6026 }
6027
6028 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name withReferrer:(NSString *)referrer;
6029
6030 @end
6031
6032 @implementation CYPackageController
6033
6034 - (NSURL *) navigationURL {
6035     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@", (id) name_]];
6036 }
6037
6038 /* XXX: this is not safe at all... localization of /fail/ */
6039 - (void) _clickButtonWithName:(NSString *)name {
6040     if ([name isEqualToString:UCLocalize("CLEAR")])
6041         [delegate_ clearPackage:package_];
6042     else if ([name isEqualToString:UCLocalize("INSTALL")])
6043         [delegate_ installPackage:package_];
6044     else if ([name isEqualToString:UCLocalize("REINSTALL")])
6045         [delegate_ installPackage:package_];
6046     else if ([name isEqualToString:UCLocalize("REMOVE")])
6047         [delegate_ removePackage:package_];
6048     else if ([name isEqualToString:UCLocalize("UPGRADE")])
6049         [delegate_ installPackage:package_];
6050     else _assert(false);
6051 }
6052
6053 - (void) actionSheet:(UIActionSheet *)sheet clickedButtonAtIndex:(NSInteger)button {
6054     NSString *context([sheet context]);
6055
6056     if ([context isEqualToString:@"modify"]) {
6057         if (button != [sheet cancelButtonIndex]) {
6058             NSString *buttonName = [buttons_ objectAtIndex:button];
6059             [self _clickButtonWithName:buttonName];
6060         }
6061
6062         [sheet dismissWithClickedButtonIndex:-1 animated:YES];
6063     }
6064 }
6065
6066 - (bool) _allowJavaScriptPanel {
6067     return commercial_;
6068 }
6069
6070 #if !AlwaysReload
6071 - (void) _customButtonClicked {
6072     int count([buttons_ count]);
6073     if (count == 0)
6074         return;
6075
6076     if (count == 1)
6077         [self _clickButtonWithName:[buttons_ objectAtIndex:0]];
6078     else {
6079         NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:count];
6080         [buttons addObjectsFromArray:buttons_];
6081
6082         UIActionSheet *sheet = [[[UIActionSheet alloc]
6083             initWithTitle:nil
6084             delegate:self
6085             cancelButtonTitle:nil
6086             destructiveButtonTitle:nil
6087             otherButtonTitles:nil
6088         ] autorelease];
6089
6090         for (NSString *button in buttons) [sheet addButtonWithTitle:button];
6091         if (!IsWildcat_) {
6092            [sheet addButtonWithTitle:UCLocalize("CANCEL")];
6093            [sheet setCancelButtonIndex:[sheet numberOfButtons] - 1];
6094         }
6095         [sheet setContext:@"modify"];
6096
6097         [delegate_ showActionSheet:sheet fromItem:[[self navigationItem] rightBarButtonItem]];
6098     }
6099 }
6100
6101 - (void) reloadButtonClicked {
6102     if (commercial_ && function_ == nil && [package_ uninstalled])
6103         return;
6104     [self customButtonClicked];
6105 }
6106
6107 - (void) applyLoadingTitle {
6108     // Don't show "Loading" as the title. Ever.
6109 }
6110
6111 - (UIBarButtonItem *) rightButton {
6112     return button_;
6113 }
6114 #endif
6115
6116 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name withReferrer:(NSString *)referrer {
6117     if ((self = [super init]) != nil) {
6118         database_ = database;
6119         buttons_ = [NSMutableArray arrayWithCapacity:4];
6120         name_ = name == nil ? @"" : [NSString stringWithString:name];
6121         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/package/%@", UI_, (id) name_]] withReferrer:referrer];
6122     } return self;
6123 }
6124
6125 - (void) reloadData {
6126     [super reloadData];
6127
6128     package_ = [database_ packageWithName:name_];
6129
6130     [buttons_ removeAllObjects];
6131
6132     if (package_ != nil) {
6133         [(Package *) package_ parse];
6134
6135         commercial_ = [package_ isCommercial];
6136
6137         if ([package_ mode] != nil)
6138             [buttons_ addObject:UCLocalize("CLEAR")];
6139         if ([package_ source] == nil);
6140         else if ([package_ upgradableAndEssential:NO])
6141             [buttons_ addObject:UCLocalize("UPGRADE")];
6142         else if ([package_ uninstalled])
6143             [buttons_ addObject:UCLocalize("INSTALL")];
6144         else
6145             [buttons_ addObject:UCLocalize("REINSTALL")];
6146         if (![package_ uninstalled])
6147             [buttons_ addObject:UCLocalize("REMOVE")];
6148     }
6149
6150     NSString *title;
6151     switch ([buttons_ count]) {
6152         case 0: title = nil; break;
6153         case 1: title = [buttons_ objectAtIndex:0]; break;
6154         default: title = UCLocalize("MODIFY"); break;
6155     }
6156
6157     button_ = [[[UIBarButtonItem alloc]
6158         initWithTitle:title
6159         style:UIBarButtonItemStylePlain
6160         target:self
6161         action:@selector(customButtonClicked)
6162     ] autorelease];
6163 }
6164
6165 - (bool) isLoading {
6166     return commercial_ ? [super isLoading] : false;
6167 }
6168
6169 @end
6170 /* }}} */
6171
6172 /* Package List Controller {{{ */
6173 @interface PackageListController : CyteViewController <
6174     UITableViewDataSource,
6175     UITableViewDelegate
6176 > {
6177     _transient Database *database_;
6178     unsigned era_;
6179     _H<NSArray> packages_;
6180     _H<NSArray> sections_;
6181     _H<UITableView, 2> list_;
6182     _H<NSMutableArray> index_;
6183     _H<NSString> title_;
6184     unsigned reloading_;
6185 }
6186
6187 - (id) initWithDatabase:(Database *)database title:(NSString *)title;
6188 - (void) setDelegate:(id)delegate;
6189 - (void) resetCursor;
6190 - (void) clearData;
6191
6192 - (NSArray *) sectionsForPackages:(NSMutableArray *)packages;
6193
6194 @end
6195
6196 @implementation PackageListController
6197
6198 - (NSURL *) referrerURL {
6199     return [self navigationURL];
6200 }
6201
6202 - (bool) isSummarized {
6203     return false;
6204 }
6205
6206 - (bool) showsSections {
6207     return true;
6208 }
6209
6210 - (void) deselectWithAnimation:(BOOL)animated {
6211     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
6212 }
6213
6214 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration curve:(UIViewAnimationCurve)curve {
6215     CGRect base = [[self view] bounds];
6216     base.size.height -= bounds.size.height;
6217     base.origin = [list_ frame].origin;
6218
6219     [UIView beginAnimations:nil context:NULL];
6220     [UIView setAnimationBeginsFromCurrentState:YES];
6221     [UIView setAnimationCurve:curve];
6222     [UIView setAnimationDuration:duration];
6223     [list_ setFrame:base];
6224     [UIView commitAnimations];
6225 }
6226
6227 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration {
6228     [self resizeForKeyboardBounds:bounds duration:duration curve:UIViewAnimationCurveLinear];
6229 }
6230
6231 - (void) resizeForKeyboardBounds:(CGRect)bounds {
6232     [self resizeForKeyboardBounds:bounds duration:0];
6233 }
6234
6235 - (void) getKeyboardCurve:(UIViewAnimationCurve *)curve duration:(NSTimeInterval *)duration forNotification:(NSNotification *)notification {
6236     if (&UIKeyboardAnimationCurveUserInfoKey == NULL)
6237         *curve = UIViewAnimationCurveEaseInOut;
6238     else
6239         [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:curve];
6240
6241     if (&UIKeyboardAnimationDurationUserInfoKey == NULL)
6242         *duration = 0.3;
6243     else
6244         [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:duration];
6245 }
6246
6247 - (void) keyboardWillShow:(NSNotification *)notification {
6248     CGRect bounds;
6249     CGPoint center;
6250     [[[notification userInfo] objectForKey:UIKeyboardBoundsUserInfoKey] getValue:&bounds];
6251     [[[notification userInfo] objectForKey:UIKeyboardCenterEndUserInfoKey] getValue:&center];
6252
6253     NSTimeInterval duration;
6254     UIViewAnimationCurve curve;
6255     [self getKeyboardCurve:&curve duration:&duration forNotification:notification];
6256
6257     CGRect kbframe = CGRectMake(round(center.x - bounds.size.width / 2.0), round(center.y - bounds.size.height / 2.0), bounds.size.width, bounds.size.height);
6258     UIViewController *base = self;
6259     while ([base parentOrPresentingViewController] != nil)
6260         base = [base parentOrPresentingViewController];
6261     CGRect viewframe = [[base view] convertRect:[list_ frame] fromView:[list_ superview]];
6262     CGRect intersection = CGRectIntersection(viewframe, kbframe);
6263
6264     if (kCFCoreFoundationVersionNumber < kCFCoreFoundationVersionNumber_iPhoneOS_3_0) // XXX: _UIApplicationLinkedOnOrAfter(4)
6265         intersection.size.height += CYStatusBarHeight();
6266
6267     [self resizeForKeyboardBounds:intersection duration:duration curve:curve];
6268 }
6269
6270 - (void) keyboardWillHide:(NSNotification *)notification {
6271     NSTimeInterval duration;
6272     UIViewAnimationCurve curve;
6273     [self getKeyboardCurve:&curve duration:&duration forNotification:notification];
6274
6275     [self resizeForKeyboardBounds:CGRectZero duration:duration curve:curve];
6276 }
6277
6278 - (void) viewWillAppear:(BOOL)animated {
6279     [super viewWillAppear:animated];
6280
6281     [self resizeForKeyboardBounds:CGRectZero];
6282     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
6283     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
6284 }
6285
6286 - (void) viewWillDisappear:(BOOL)animated {
6287     [super viewWillDisappear:animated];
6288
6289     [self resizeForKeyboardBounds:CGRectZero];
6290     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillShowNotification object:nil];
6291     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillHideNotification object:nil];
6292 }
6293
6294 - (void) viewDidAppear:(BOOL)animated {
6295     [super viewDidAppear:animated];
6296     [self deselectWithAnimation:animated];
6297 }
6298
6299 - (void) didSelectPackage:(Package *)package {
6300     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id] withReferrer:[[self referrerURL] absoluteString]] autorelease]);
6301     [view setDelegate:delegate_];
6302     [[self navigationController] pushViewController:view animated:YES];
6303 }
6304
6305 #if TryIndexedCollation
6306 + (BOOL) hasIndexedCollation {
6307     return NO; // XXX: objc_getClass("UILocalizedIndexedCollation") != nil;
6308 }
6309 #endif
6310
6311 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
6312     NSInteger count([sections_ count]);
6313     return count == 0 ? 1 : count;
6314 }
6315
6316 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
6317     if ([sections_ count] == 0 || [[sections_ objectAtIndex:section] count] == 0)
6318         return nil;
6319     return [[sections_ objectAtIndex:section] name];
6320 }
6321
6322 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
6323     if ([sections_ count] == 0)
6324         return 0;
6325     return [[sections_ objectAtIndex:section] count];
6326 }
6327
6328 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
6329 @synchronized (database_) {
6330     if ([database_ era] != era_)
6331         return nil;
6332
6333     Section *section([sections_ objectAtIndex:[path section]]);
6334     NSInteger row([path row]);
6335     Package *package([packages_ objectAtIndex:([section row] + row)]);
6336     return [[package retain] autorelease];
6337 } }
6338
6339 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
6340     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
6341     if (cell == nil)
6342         cell = [[[PackageCell alloc] init] autorelease];
6343
6344     Package *package([database_ packageWithName:[[self packageAtIndexPath:path] id]]);
6345     [cell setPackage:package asSummary:[self isSummarized]];
6346     return cell;
6347 }
6348
6349 - (void) tableView:(UITableView *)table didSelectRowAtIndexPath:(NSIndexPath *)path {
6350     Package *package([self packageAtIndexPath:path]);
6351     package = [database_ packageWithName:[package id]];
6352     [self didSelectPackage:package];
6353 }
6354
6355 - (NSArray *) sectionIndexTitlesForTableView:(UITableView *)tableView {
6356     if (![self showsSections])
6357         return nil;
6358
6359     return index_;
6360 }
6361
6362 - (NSInteger) tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index {
6363 #if TryIndexedCollation
6364     if ([[self class] hasIndexedCollation]) {
6365         return [[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionForSectionIndexTitleAtIndex:index];
6366     }
6367 #endif
6368
6369     return index;
6370 }
6371
6372 - (void) updateHeight {
6373     [list_ setRowHeight:([self isSummarized] ? 38 : 73)];
6374 }
6375
6376 - (id) initWithDatabase:(Database *)database title:(NSString *)title {
6377     if ((self = [super init]) != nil) {
6378         database_ = database;
6379         title_ = [title copy];
6380         [[self navigationItem] setTitle:title_];
6381     } return self;
6382 }
6383
6384 - (void) loadView {
6385     UIView *view([[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]);
6386     [view setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
6387     [self setView:view];
6388
6389     list_ = [[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain] autorelease];
6390     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6391     [view addSubview:list_];
6392
6393     // XXX: is 20 the most optimal number here?
6394     [list_ setSectionIndexMinimumDisplayRowCount:20];
6395
6396     [(UITableView *) list_ setDataSource:self];
6397     [list_ setDelegate:self];
6398
6399     [self updateHeight];
6400 }
6401
6402 - (void) releaseSubviews {
6403     list_ = nil;
6404
6405     packages_ = nil;
6406     sections_ = nil;
6407     index_ = nil;
6408
6409     [super releaseSubviews];
6410 }
6411
6412 - (void) setDelegate:(id)delegate {
6413     delegate_ = delegate;
6414 }
6415
6416 - (bool) shouldYield {
6417     return false;
6418 }
6419
6420 - (bool) shouldBlock {
6421     return false;
6422 }
6423
6424 - (NSMutableArray *) _reloadPackages {
6425 @synchronized (database_) {
6426     era_ = [database_ era];
6427     NSArray *packages([database_ packages]);
6428
6429     return [NSMutableArray arrayWithArray:packages];
6430 } }
6431
6432 - (void) _reloadData {
6433     if (reloading_ != 0) {
6434         reloading_ = 2;
6435         return;
6436     }
6437
6438     NSMutableArray *packages;
6439
6440   reload:
6441     if ([self shouldYield]) {
6442         do {
6443             UIProgressHUD *hud;
6444
6445             if (![self shouldBlock])
6446                 hud = nil;
6447             else {
6448                 hud = [delegate_ addProgressHUD];
6449                 [hud setText:UCLocalize("LOADING")];
6450             }
6451
6452             reloading_ = 1;
6453             packages = [self yieldToSelector:@selector(_reloadPackages)];
6454
6455             if (hud != nil)
6456                 [delegate_ removeProgressHUD:hud];
6457         } while (reloading_ == 2);
6458     } else {
6459         packages = [self _reloadPackages];
6460     }
6461
6462 @synchronized (database_) {
6463     if (era_ != [database_ era])
6464         goto reload;
6465     reloading_ = 0;
6466
6467     packages_ = packages;
6468     sections_ = [self sectionsForPackages:packages];
6469
6470     [self updateHeight];
6471
6472     _profile(PackageTable$reloadData$List)
6473         [(UITableView *) list_ setDataSource:self];
6474         [list_ reloadData];
6475     _end
6476 } }
6477
6478 - (NSArray *) sectionsForPackages:(NSMutableArray *)packages {
6479     NSMutableArray *sections([NSMutableArray arrayWithCapacity:16]);
6480
6481     Section *section = nil;
6482
6483 #if TryIndexedCollation
6484     if ([[self class] hasIndexedCollation]) {
6485         index_ = [[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionIndexTitles];
6486
6487         id collation = [objc_getClass("UILocalizedIndexedCollation") currentCollation];
6488         NSArray *titles = [collation sectionIndexTitles];
6489         int secidx = -1;
6490
6491         _profile(PackageTable$reloadData$Section)
6492             for (size_t offset(0), end([packages count]); offset != end; ++offset) {
6493                 Package *package;
6494                 int index;
6495
6496                 _profile(PackageTable$reloadData$Section$Package)
6497                     package = [packages objectAtIndex:offset];
6498                     index = [collation sectionForObject:package collationStringSelector:@selector(name)];
6499                 _end
6500
6501                 while (secidx < index) {
6502                     secidx += 1;
6503
6504                     _profile(PackageTable$reloadData$Section$Allocate)
6505                         section = [[[Section alloc] initWithName:[titles objectAtIndex:secidx] row:offset localize:NO] autorelease];
6506                     _end
6507
6508                     _profile(PackageTable$reloadData$Section$Add)
6509                         [sections addObject:section];
6510                     _end
6511                 }
6512
6513                 [section addToCount];
6514             }
6515         _end
6516     } else
6517 #endif
6518     {
6519         index_ = [NSMutableArray arrayWithCapacity:32];
6520
6521         bool sectioned([self showsSections]);
6522         if (!sectioned) {
6523             section = [[[Section alloc] initWithName:nil localize:false] autorelease];
6524             [sections addObject:section];
6525         }
6526
6527         _profile(PackageTable$reloadData$Section)
6528             for (size_t offset(0), end([packages count]); offset != end; ++offset) {
6529                 Package *package;
6530                 unichar index;
6531
6532                 _profile(PackageTable$reloadData$Section$Package)
6533                     package = [packages objectAtIndex:offset];
6534                     index = [package index];
6535                 _end
6536
6537                 if (sectioned && (section == nil || [section index] != index)) {
6538                     _profile(PackageTable$reloadData$Section$Allocate)
6539                         section = [[[Section alloc] initWithIndex:index row:offset] autorelease];
6540                     _end
6541
6542                     [index_ addObject:[section name]];
6543
6544                     _profile(PackageTable$reloadData$Section$Add)
6545                         [sections addObject:section];
6546                     _end
6547                 }
6548
6549                 [section addToCount];
6550             }
6551         _end
6552     }
6553
6554     return sections;
6555 }
6556
6557 - (void) reloadData {
6558     [super reloadData];
6559
6560     if ([self shouldYield])
6561         [self performSelector:@selector(_reloadData) withObject:nil afterDelay:0];
6562     else
6563         [self _reloadData];
6564 }
6565
6566 - (void) resetCursor {
6567     [list_ scrollRectToVisible:CGRectMake(0, 0, 1, 1) animated:NO];
6568 }
6569
6570 - (void) clearData {
6571     [self updateHeight];
6572
6573     [list_ setDataSource:nil];
6574     [list_ reloadData];
6575
6576     [self resetCursor];
6577 }
6578
6579 @end
6580 /* }}} */
6581 /* Filtered Package List Controller {{{ */
6582 typedef Function<bool, Package *> PackageFilter;
6583 typedef Function<void, NSMutableArray *> PackageSorter;
6584 @interface FilteredPackageListController : PackageListController {
6585     PackageFilter filter_;
6586     PackageSorter sorter_;
6587 }
6588
6589 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(PackageFilter)filter;
6590
6591 - (void) setFilter:(PackageFilter)filter;
6592 - (void) setSorter:(PackageSorter)sorter;
6593
6594 @end
6595
6596 @implementation FilteredPackageListController
6597
6598 - (void) setFilter:(PackageFilter)filter {
6599 @synchronized (self) {
6600     filter_ = filter;
6601 } }
6602
6603 - (void) setSorter:(PackageSorter)sorter {
6604 @synchronized (self) {
6605     sorter_ = sorter;
6606 } }
6607
6608 - (NSMutableArray *) _reloadPackages {
6609     NSMutableArray *filtered;
6610     PackageSorter sorter;
6611
6612 @synchronized (database_) {
6613     era_ = [database_ era];
6614     NSArray *packages([database_ packages]);
6615
6616     filtered = [NSMutableArray arrayWithCapacity:[packages count]];
6617
6618     PackageFilter filter;
6619
6620     @synchronized (self) {
6621         filter = filter_;
6622         sorter = sorter_;
6623     }
6624
6625     _profile(PackageTable$reloadData$Filter)
6626         for (Package *package in packages)
6627             if ([package valid] && filter(package))
6628                 [filtered addObject:package];
6629     _end
6630 }
6631
6632     if (sorter)
6633         sorter(filtered);
6634     return filtered;
6635 }
6636
6637 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(PackageFilter)filter {
6638     if ((self = [super initWithDatabase:database title:title]) != nil) {
6639         [self setFilter:filter];
6640     } return self;
6641 }
6642
6643 @end
6644 /* }}} */
6645
6646 /* Home Controller {{{ */
6647 @interface HomeController : CydiaWebViewController {
6648     CFRunLoopRef runloop_;
6649     SCNetworkReachabilityRef reachability_;
6650 }
6651
6652 @end
6653
6654 @implementation HomeController
6655
6656 static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachability, SCNetworkReachabilityFlags flags, void *info) {
6657     [(HomeController *) info dispatchEvent:@"CydiaReachabilityCallback"];
6658 }
6659
6660 - (id) init {
6661     if ((self = [super init]) != nil) {
6662         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/home/", UI_]]];
6663         [self reloadData];
6664
6665         reachability_ = SCNetworkReachabilityCreateWithName(kCFAllocatorDefault, "cydia.saurik.com");
6666         if (reachability_ != NULL) {
6667             SCNetworkReachabilityContext context = {0, self, NULL, NULL, NULL};
6668             SCNetworkReachabilitySetCallback(reachability_, HomeControllerReachabilityCallback, &context);
6669
6670             CFRunLoopRef runloop(CFRunLoopGetCurrent());
6671             if (SCNetworkReachabilityScheduleWithRunLoop(reachability_, runloop, kCFRunLoopDefaultMode))
6672                 runloop_ = runloop;
6673         }
6674     } return self;
6675 }
6676
6677 - (void) dealloc {
6678     if (reachability_ != NULL && runloop_ != NULL)
6679         SCNetworkReachabilityUnscheduleFromRunLoop(reachability_, runloop_, kCFRunLoopDefaultMode);
6680     [super dealloc];
6681 }
6682
6683 - (NSURL *) navigationURL {
6684     return [NSURL URLWithString:@"cydia://home"];
6685 }
6686
6687 - (void) aboutButtonClicked {
6688     UIAlertView *alert([[[UIAlertView alloc] init] autorelease]);
6689
6690     [alert setTitle:UCLocalize("ABOUT_CYDIA")];
6691     [alert addButtonWithTitle:UCLocalize("CLOSE")];
6692     [alert setCancelButtonIndex:0];
6693
6694     [alert setMessage:
6695         @"Copyright \u00a9 2008-2013\n"
6696         "SaurikIT, LLC\n"
6697         "\n"
6698         "Jay Freeman (saurik)\n"
6699         "saurik@saurik.com\n"
6700         "http://www.saurik.com/"
6701     ];
6702
6703     [alert show];
6704 }
6705
6706 - (UIBarButtonItem *) leftButton {
6707     return [[[UIBarButtonItem alloc]
6708         initWithTitle:UCLocalize("ABOUT")
6709         style:UIBarButtonItemStylePlain
6710         target:self
6711         action:@selector(aboutButtonClicked)
6712     ] autorelease];
6713 }
6714
6715 @end
6716 /* }}} */
6717
6718 /* Cydia Navigation Controller Interface {{{ */
6719 @interface UINavigationController (Cydia)
6720
6721 - (NSArray *) navigationURLCollection;
6722 - (void) unloadData;
6723
6724 @end
6725 /* }}} */
6726
6727 /* Cydia Tab Bar Controller {{{ */
6728 @interface CydiaTabBarController : CyteTabBarController <
6729     UITabBarControllerDelegate,
6730     FetchDelegate
6731 > {
6732     _transient Database *database_;
6733
6734     _H<UIActivityIndicatorView> indicator_;
6735
6736     bool updating_;
6737     // XXX: ok, "updatedelegate_"?...
6738     _transient NSObject<CydiaDelegate> *updatedelegate_;
6739 }
6740
6741 - (NSArray *) navigationURLCollection;
6742 - (void) beginUpdate;
6743 - (BOOL) updating;
6744
6745 @end
6746
6747 @implementation CydiaTabBarController
6748
6749 - (NSArray *) navigationURLCollection {
6750     NSMutableArray *items([NSMutableArray array]);
6751
6752     // XXX: Should this deal with transient view controllers?
6753     for (id navigation in [self viewControllers]) {
6754         NSArray *stack = [navigation performSelector:@selector(navigationURLCollection)];
6755         if (stack != nil)
6756             [items addObject:stack];
6757     }
6758
6759     return items;
6760 }
6761
6762 - (id) initWithDatabase:(Database *)database {
6763     if ((self = [super init]) != nil) {
6764         database_ = database;
6765         [self setDelegate:self];
6766
6767         indicator_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteTiny] autorelease];
6768         [indicator_ setOrigin:CGPointMake(kCFCoreFoundationVersionNumber >= 800 ? 2 : 4, 2)];
6769
6770         [[self view] setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6771     } return self;
6772 }
6773
6774 - (void) setUpdate:(NSDate *)date {
6775     [self beginUpdate];
6776 }
6777
6778 - (void) beginUpdate {
6779     if (updating_)
6780         return;
6781
6782     UIViewController *controller([[self viewControllers] objectAtIndex:1]);
6783     UITabBarItem *item([controller tabBarItem]);
6784
6785     [item setBadgeValue:@""];
6786     UIView *badge(MSHookIvar<UIView *>([item view], "_badge"));
6787
6788     [indicator_ startAnimating];
6789     [badge addSubview:indicator_];
6790
6791     [updatedelegate_ retainNetworkActivityIndicator];
6792     updating_ = true;
6793
6794     [NSThread
6795         detachNewThreadSelector:@selector(performUpdate)
6796         toTarget:self
6797         withObject:nil
6798     ];
6799 }
6800
6801 - (void) performUpdate {
6802     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
6803
6804     SourceStatus status(self, database_);
6805     [database_ updateWithStatus:status];
6806
6807     [self
6808         performSelectorOnMainThread:@selector(completeUpdate)
6809         withObject:nil
6810         waitUntilDone:NO
6811     ];
6812
6813     [pool release];
6814 }
6815
6816 - (void) stopUpdateWithSelector:(SEL)selector {
6817     updating_ = false;
6818     [updatedelegate_ releaseNetworkActivityIndicator];
6819
6820     UIViewController *controller([[self viewControllers] objectAtIndex:1]);
6821     [[controller tabBarItem] setBadgeValue:nil];
6822
6823     [indicator_ removeFromSuperview];
6824     [indicator_ stopAnimating];
6825
6826     [updatedelegate_ performSelector:selector withObject:nil afterDelay:0];
6827 }
6828
6829 - (void) completeUpdate {
6830     if (!updating_)
6831         return;
6832     [self stopUpdateWithSelector:@selector(reloadData)];
6833 }
6834
6835 - (void) cancelUpdate {
6836     [self stopUpdateWithSelector:@selector(updateDataAndLoad)];
6837 }
6838
6839 - (void) cancelPressed {
6840     [self cancelUpdate];
6841 }
6842
6843 - (BOOL) updating {
6844     return updating_;
6845 }
6846
6847 - (bool) isSourceCancelled {
6848     return !updating_;
6849 }
6850
6851 - (void) startSourceFetch:(NSString *)uri {
6852 }
6853
6854 - (void) stopSourceFetch:(NSString *)uri {
6855 }
6856
6857 - (void) setUpdateDelegate:(id)delegate {
6858     updatedelegate_ = delegate;
6859 }
6860
6861 - (UIView *) transitionView {
6862     if (![self respondsToSelector:@selector(_transitionView)])
6863         return MSHookIvar<id>(self, "_viewControllerTransitionView");
6864     else if (kCFCoreFoundationVersionNumber < 800)
6865         return [self _transitionView];
6866     else
6867         return [[[self _transitionView] superview] superview];
6868 }
6869
6870 @end
6871 /* }}} */
6872
6873 /* Cydia Navigation Controller Implementation {{{ */
6874 @implementation UINavigationController (Cydia)
6875
6876 - (NSArray *) navigationURLCollection {
6877     NSMutableArray *stack([NSMutableArray array]);
6878
6879     for (CyteViewController *controller in [self viewControllers]) {
6880         NSString *url = [[controller navigationURL] absoluteString];
6881         if (url != nil)
6882             [stack addObject:url];
6883     }
6884
6885     return stack;
6886 }
6887
6888 - (void) reloadData {
6889     [super reloadData];
6890
6891     UIViewController *visible([self visibleViewController]);
6892     if (visible != nil)
6893         [visible reloadData];
6894
6895     // on the iPad, this view controller is ALSO visible. :(
6896     if (IsWildcat_)
6897         if (UIViewController *top = [self topViewController])
6898             if (top != visible)
6899                 [top reloadData];
6900 }
6901
6902 - (void) unloadData {
6903     for (CyteViewController *page in [self viewControllers])
6904         [page unloadData];
6905
6906     [super unloadData];
6907 }
6908
6909 @end
6910 /* }}} */
6911
6912 /* Cydia:// Protocol {{{ */
6913 @interface CydiaURLProtocol : NSURLProtocol {
6914 }
6915
6916 @end
6917
6918 @implementation CydiaURLProtocol
6919
6920 + (BOOL) canInitWithRequest:(NSURLRequest *)request {
6921     NSURL *url([request URL]);
6922     if (url == nil)
6923         return NO;
6924
6925     NSString *scheme([[url scheme] lowercaseString]);
6926     if (scheme != nil && [scheme isEqualToString:@"cydia"])
6927         return YES;
6928     if ([[url absoluteString] hasPrefix:@"about:cydia-"])
6929         return YES;
6930
6931     return NO;
6932 }
6933
6934 + (NSURLRequest *) canonicalRequestForRequest:(NSURLRequest *)request {
6935     return request;
6936 }
6937
6938 - (void) _returnPNGWithImage:(UIImage *)icon forRequest:(NSURLRequest *)request {
6939     id<NSURLProtocolClient> client([self client]);
6940     if (icon == nil)
6941         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorFileDoesNotExist userInfo:nil]];
6942     else {
6943         NSData *data(UIImagePNGRepresentation(icon));
6944
6945         NSURLResponse *response([[[NSURLResponse alloc] initWithURL:[request URL] MIMEType:@"image/png" expectedContentLength:-1 textEncodingName:nil] autorelease]);
6946         [client URLProtocol:self didReceiveResponse:response cacheStoragePolicy:NSURLCacheStorageNotAllowed];
6947         [client URLProtocol:self didLoadData:data];
6948         [client URLProtocolDidFinishLoading:self];
6949     }
6950 }
6951
6952 - (void) startLoading {
6953     id<NSURLProtocolClient> client([self client]);
6954     NSURLRequest *request([self request]);
6955
6956     NSURL *url([request URL]);
6957     NSString *href([url absoluteString]);
6958     NSString *scheme([[url scheme] lowercaseString]);
6959
6960     NSString *path;
6961
6962     if ([scheme isEqualToString:@"cydia"])
6963         path = [href substringFromIndex:8];
6964     else if ([scheme isEqualToString:@"about"])
6965         path = [href substringFromIndex:12];
6966     else _assert(false);
6967
6968     NSRange slash([path rangeOfString:@"/"]);
6969
6970     NSString *command;
6971     if (slash.location == NSNotFound) {
6972         command = path;
6973         path = nil;
6974     } else {
6975         command = [path substringToIndex:slash.location];
6976         path = [path substringFromIndex:(slash.location + 1)];
6977     }
6978
6979     Database *database([Database sharedInstance]);
6980
6981     if ([command isEqualToString:@"package-icon"]) {
6982         if (path == nil)
6983             goto fail;
6984         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6985         Package *package([database packageWithName:path]);
6986         if (package == nil)
6987             goto fail;
6988         [package parse];
6989         UIImage *icon([package icon]);
6990         [self _returnPNGWithImage:icon forRequest:request];
6991     } else if ([command isEqualToString:@"uikit-image"]) {
6992         if (path == nil)
6993             goto fail;
6994         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6995         UIImage *icon(_UIImageWithName(path));
6996         [self _returnPNGWithImage:icon forRequest:request];
6997     } else if ([command isEqualToString:@"section-icon"]) {
6998         if (path == nil)
6999             goto fail;
7000         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7001         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, [path stringByReplacingOccurrencesOfString:@" " withString:@"_"]]]);
7002         if (icon == nil)
7003             icon = [UIImage applicationImageNamed:@"unknown.png"];
7004         [self _returnPNGWithImage:icon forRequest:request];
7005     } else fail: {
7006         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorResourceUnavailable userInfo:nil]];
7007     }
7008 }
7009
7010 - (void) stopLoading {
7011 }
7012
7013 @end
7014 /* }}} */
7015
7016 /* Section Controller {{{ */
7017 @interface SectionController : FilteredPackageListController {
7018     _H<NSString> key_;
7019     _H<NSString> section_;
7020 }
7021
7022 - (id) initWithDatabase:(Database *)database source:(Source *)source section:(NSString *)section;
7023
7024 @end
7025
7026 @implementation SectionController
7027
7028 - (NSURL *) referrerURL {
7029     NSString *name(section_);
7030     name = name ?: @"*";
7031     NSString *key(key_);
7032     key = key ?: @"*";
7033     return [NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/sections/%@/%@", UI_, [key stringByAddingPercentEscapesIncludingReserved], [name stringByAddingPercentEscapesIncludingReserved]]];
7034 }
7035
7036 - (NSURL *) navigationURL {
7037     NSString *name(section_);
7038     name = name ?: @"*";
7039     NSString *key(key_);
7040     key = key ?: @"*";
7041     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sections/%@/%@", [key stringByAddingPercentEscapesIncludingReserved], [name stringByAddingPercentEscapesIncludingReserved]]];
7042 }
7043
7044 - (id) initWithDatabase:(Database *)database source:(Source *)source section:(NSString *)section {
7045     NSString *title;
7046     if (section == nil)
7047         title = UCLocalize("ALL_PACKAGES");
7048     else if (![section isEqual:@""])
7049         title = [[NSBundle mainBundle] localizedStringForKey:Simplify(section) value:nil table:@"Sections"];
7050     else
7051         title = UCLocalize("NO_SECTION");
7052
7053     if ((self = [super initWithDatabase:database title:title]) != nil) {
7054         key_ = [source key];
7055         section_ = section;
7056     } return self;
7057 }
7058
7059 - (void) reloadData {
7060     Source *source([database_ sourceWithKey:key_]);
7061     _H<NSString> name(section_);
7062
7063     [self setFilter:[=](Package *package) {
7064         NSString *section([package section]);
7065
7066         return (
7067             name == nil ||
7068             section == nil && [name length] == 0 ||
7069             [name isEqualToString:section]
7070         ) && (
7071             source == nil ||
7072             [package source] == source
7073         ) && [package visible];
7074     }];
7075
7076     [super reloadData];
7077 }
7078
7079 @end
7080 /* }}} */
7081 /* Sections Controller {{{ */
7082 @interface SectionsController : CyteViewController <
7083     UITableViewDataSource,
7084     UITableViewDelegate
7085 > {
7086     _transient Database *database_;
7087     _H<NSString> key_;
7088     _H<NSMutableArray> sections_;
7089     _H<NSMutableArray> filtered_;
7090     _H<UITableView, 2> list_;
7091 }
7092
7093 - (id) initWithDatabase:(Database *)database source:(Source *)source;
7094 - (void) editButtonClicked;
7095
7096 @end
7097
7098 @implementation SectionsController
7099
7100 - (NSURL *) navigationURL {
7101     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sources/%@", [key_ stringByAddingPercentEscapesIncludingReserved]]];
7102 }
7103
7104 - (Source *) source {
7105     if (key_ == nil)
7106         return nil;
7107     return [database_ sourceWithKey:key_];
7108 }
7109
7110 - (void) updateNavigationItem {
7111     [[self navigationItem] setTitle:[self isEditing] ? UCLocalize("SECTION_VISIBILITY") : UCLocalize("SECTIONS")];
7112     if ([sections_ count] == 0) {
7113         [[self navigationItem] setRightBarButtonItem:nil];
7114     } else {
7115         [[self navigationItem] setRightBarButtonItem:[[UIBarButtonItem alloc]
7116             initWithBarButtonSystemItem:([self isEditing] ? UIBarButtonSystemItemDone : UIBarButtonSystemItemEdit)
7117             target:self
7118             action:@selector(editButtonClicked)
7119         ] animated:([[self navigationItem] rightBarButtonItem] != nil)];
7120     }
7121 }
7122
7123 - (void) setEditing:(BOOL)editing animated:(BOOL)animated {
7124     [super setEditing:editing animated:animated];
7125
7126     if (editing)
7127         [list_ reloadData];
7128     else
7129         [delegate_ updateData];
7130
7131     [self updateNavigationItem];
7132 }
7133
7134 - (void) viewDidAppear:(BOOL)animated {
7135     [super viewDidAppear:animated];
7136     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7137 }
7138
7139 - (void) viewWillDisappear:(BOOL)animated {
7140     [super viewWillDisappear:animated];
7141     [self setEditing:NO];
7142 }
7143
7144 - (Section *) sectionAtIndexPath:(NSIndexPath *)indexPath {
7145     Section *section = nil;
7146     int index = [indexPath row];
7147     if (![self isEditing]) {
7148         index -= 1;
7149         if (index >= 0)
7150             section = [filtered_ objectAtIndex:index];
7151     } else {
7152         section = [sections_ objectAtIndex:index];
7153     }
7154     return section;
7155 }
7156
7157 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7158     if ([self isEditing])
7159         return [sections_ count];
7160     else
7161         return [filtered_ count] + 1;
7162 }
7163
7164 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
7165     return 45.0f;
7166 }*/
7167
7168 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7169     static NSString *reuseIdentifier = @"SectionCell";
7170
7171     SectionCell *cell = (SectionCell *)[tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
7172     if (cell == nil)
7173         cell = [[[SectionCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
7174
7175     [cell setSection:[self sectionAtIndexPath:indexPath] editing:[self isEditing]];
7176
7177     return cell;
7178 }
7179
7180 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
7181     if ([self isEditing])
7182         return;
7183
7184     Section *section = [self sectionAtIndexPath:indexPath];
7185
7186     SectionController *controller = [[[SectionController alloc]
7187         initWithDatabase:database_
7188         source:[self source]
7189         section:[section name]
7190     ] autorelease];
7191     [controller setDelegate:delegate_];
7192
7193     [[self navigationController] pushViewController:controller animated:YES];
7194 }
7195
7196 - (void) loadView {
7197     list_ = [[[UITableView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease];
7198     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7199     [list_ setRowHeight:46];
7200     [(UITableView *) list_ setDataSource:self];
7201     [list_ setDelegate:self];
7202     [self setView:list_];
7203 }
7204
7205 - (void) viewDidLoad {
7206     [super viewDidLoad];
7207
7208     [[self navigationItem] setTitle:UCLocalize("SECTIONS")];
7209 }
7210
7211 - (void) releaseSubviews {
7212     list_ = nil;
7213
7214     sections_ = nil;
7215     filtered_ = nil;
7216
7217     [super releaseSubviews];
7218 }
7219
7220 - (id) initWithDatabase:(Database *)database source:(Source *)source {
7221     if ((self = [super init]) != nil) {
7222         database_ = database;
7223         key_ = [source key];
7224     } return self;
7225 }
7226
7227 - (void) reloadData {
7228     [super reloadData];
7229
7230     NSArray *packages = [database_ packages];
7231
7232     sections_ = [NSMutableArray arrayWithCapacity:16];
7233     filtered_ = [NSMutableArray arrayWithCapacity:16];
7234
7235     NSMutableDictionary *sections([NSMutableDictionary dictionaryWithCapacity:32]);
7236
7237     Source *source([self source]);
7238
7239     _trace();
7240     for (Package *package in packages) {
7241         if (source != nil && [package source] != source)
7242             continue;
7243
7244         NSString *name([package section]);
7245         NSString *key(name == nil ? @"" : name);
7246
7247         Section *section;
7248
7249         _profile(SectionsView$reloadData$Section)
7250             section = [sections objectForKey:key];
7251             if (section == nil) {
7252                 _profile(SectionsView$reloadData$Section$Allocate)
7253                     section = [[[Section alloc] initWithName:key localize:YES] autorelease];
7254                     [sections setObject:section forKey:key];
7255                 _end
7256             }
7257         _end
7258
7259         [section addToCount];
7260
7261         _profile(SectionsView$reloadData$Filter)
7262             if (![package valid] || ![package visible])
7263                 continue;
7264         _end
7265
7266         [section addToRow];
7267     }
7268     _trace();
7269
7270     [sections_ addObjectsFromArray:[sections allValues]];
7271
7272     [sections_ sortUsingSelector:@selector(compareByLocalized:)];
7273
7274     for (Section *section in (id) sections_) {
7275         size_t count([section row]);
7276         if (count == 0)
7277             continue;
7278
7279         section = [[[Section alloc] initWithName:[section name] localized:[section localized]] autorelease];
7280         [section setCount:count];
7281         [filtered_ addObject:section];
7282     }
7283
7284     [self updateNavigationItem];
7285     [list_ reloadData];
7286     _trace();
7287 }
7288
7289 - (void) editButtonClicked {
7290     [self setEditing:![self isEditing] animated:YES];
7291 }
7292
7293 @end
7294 /* }}} */
7295
7296 /* Changes Controller {{{ */
7297 @interface ChangesController : FilteredPackageListController {
7298     unsigned upgrades_;
7299 }
7300
7301 - (id) initWithDatabase:(Database *)database;
7302
7303 @end
7304
7305 @implementation ChangesController
7306
7307 - (NSURL *) referrerURL {
7308     return [NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/changes/", UI_]];
7309 }
7310
7311 - (NSURL *) navigationURL {
7312     return [NSURL URLWithString:@"cydia://changes"];
7313 }
7314
7315 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
7316 @synchronized (database_) {
7317     if ([database_ era] != era_)
7318         return nil;
7319
7320     NSUInteger sectionIndex([path section]);
7321     if (sectionIndex >= [sections_ count])
7322         return nil;
7323     Section *section([sections_ objectAtIndex:sectionIndex]);
7324     NSInteger row([path row]);
7325     return [[[packages_ objectAtIndex:([section row] + row)] retain] autorelease];
7326 } }
7327
7328 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
7329     NSString *context([alert context]);
7330
7331     if ([context isEqualToString:@"norefresh"])
7332         [alert dismissWithClickedButtonIndex:-1 animated:YES];
7333 }
7334
7335 - (void) setLeftBarButtonItem {
7336     if ([delegate_ updating])
7337         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7338             initWithTitle:UCLocalize("CANCEL")
7339             style:UIBarButtonItemStyleDone
7340             target:self
7341             action:@selector(cancelButtonClicked)
7342         ] autorelease] animated:YES];
7343     else
7344         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7345             initWithTitle:UCLocalize("REFRESH")
7346             style:UIBarButtonItemStylePlain
7347             target:self
7348             action:@selector(refreshButtonClicked)
7349         ] autorelease] animated:YES];
7350 }
7351
7352 - (void) refreshButtonClicked {
7353     if ([delegate_ requestUpdate])
7354         [self setLeftBarButtonItem];
7355 }
7356
7357 - (void) cancelButtonClicked {
7358     [delegate_ cancelUpdate];
7359 }
7360
7361 - (void) upgradeButtonClicked {
7362     [delegate_ distUpgrade];
7363     [[self navigationItem] setRightBarButtonItem:nil animated:YES];
7364 }
7365
7366 - (bool) shouldYield {
7367     return true;
7368 }
7369
7370 - (bool) shouldBlock {
7371     return true;
7372 }
7373
7374 - (void) useFilter {
7375 @synchronized (self) {
7376     [self setFilter:[](Package *package) {
7377         return [package upgradableAndEssential:YES] || [package visible];
7378     }];
7379
7380     [self setSorter:[](NSMutableArray *packages) {
7381         [packages radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackageChangesRadix) withContext:NULL];
7382     }];
7383 } }
7384
7385 - (id) initWithDatabase:(Database *)database {
7386     if ((self = [super initWithDatabase:database title:UCLocalize("CHANGES")]) != nil) {
7387         [self useFilter];
7388     } return self;
7389 }
7390
7391 - (void) reloadData {
7392     [self setLeftBarButtonItem];
7393     [super reloadData];
7394 }
7395
7396 - (NSArray *) sectionsForPackages:(NSMutableArray *)packages {
7397     NSMutableArray *sections([NSMutableArray arrayWithCapacity:16]);
7398
7399     Section *upgradable = [[[Section alloc] initWithName:UCLocalize("AVAILABLE_UPGRADES") localize:NO] autorelease];
7400     Section *ignored = nil;
7401     Section *section = nil;
7402     time_t last = 0;
7403
7404     upgrades_ = 0;
7405     bool unseens = false;
7406
7407     CFDateFormatterRef formatter(CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle));
7408
7409     for (size_t offset = 0, count = [packages count]; offset != count; ++offset) {
7410         Package *package = [packages objectAtIndex:offset];
7411
7412         BOOL uae = [package upgradableAndEssential:YES];
7413
7414         if (!uae) {
7415             unseens = true;
7416             time_t seen([package seen]);
7417
7418             if (section == nil || last != seen) {
7419                 last = seen;
7420
7421                 NSString *name;
7422                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) [NSDate dateWithTimeIntervalSince1970:seen]);
7423                 [name autorelease];
7424
7425                 _profile(ChangesController$reloadData$Allocate)
7426                     name = [NSString stringWithFormat:UCLocalize("NEW_AT"), name];
7427                     section = [[[Section alloc] initWithName:name row:offset localize:NO] autorelease];
7428                     [sections addObject:section];
7429                 _end
7430             }
7431
7432             [section addToCount];
7433         } else if ([package ignored]) {
7434             if (ignored == nil) {
7435                 ignored = [[[Section alloc] initWithName:UCLocalize("IGNORED_UPGRADES") row:offset localize:NO] autorelease];
7436             }
7437             [ignored addToCount];
7438         } else {
7439             ++upgrades_;
7440             [upgradable addToCount];
7441         }
7442     }
7443     _trace();
7444
7445     CFRelease(formatter);
7446
7447     if (unseens) {
7448         Section *last = [sections lastObject];
7449         size_t count = [last count];
7450         [packages removeObjectsInRange:NSMakeRange([packages count] - count, count)];
7451         [sections removeLastObject];
7452     }
7453
7454     if ([ignored count] != 0)
7455         [sections insertObject:ignored atIndex:0];
7456     if (upgrades_ != 0)
7457         [sections insertObject:upgradable atIndex:0];
7458
7459     [list_ reloadData];
7460
7461     [[self navigationItem] setRightBarButtonItem:(upgrades_ == 0 ? nil : [[[UIBarButtonItem alloc]
7462         initWithTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("UPGRADE"), [NSString stringWithFormat:@"%u", upgrades_]]
7463         style:UIBarButtonItemStylePlain
7464         target:self
7465         action:@selector(upgradeButtonClicked)
7466     ] autorelease]) animated:YES];
7467
7468     PrintTimes();
7469     return sections;
7470 }
7471
7472 @end
7473 /* }}} */
7474 /* Search Controller {{{ */
7475 @interface SearchController : FilteredPackageListController <
7476     UISearchBarDelegate
7477 > {
7478     _H<UISearchBar, 1> search_;
7479     BOOL searchloaded_;
7480     bool summary_;
7481 }
7482
7483 - (id) initWithDatabase:(Database *)database query:(NSString *)query;
7484 - (void) reloadData;
7485
7486 @end
7487
7488 @implementation SearchController
7489
7490 - (NSURL *) referrerURL {
7491     return [NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/search?q=%@", UI_, [([search_ text] ?: @"") stringByAddingPercentEscapesIncludingReserved]]];
7492 }
7493
7494 - (NSURL *) navigationURL {
7495     if ([search_ text] == nil || [[search_ text] isEqualToString:@""])
7496         return [NSURL URLWithString:@"cydia://search"];
7497     else
7498         return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://search/%@", [[search_ text] stringByAddingPercentEscapesIncludingReserved]]];
7499 }
7500
7501 - (NSArray *) termsForQuery:(NSString *)query {
7502     NSMutableArray *terms([NSMutableArray arrayWithCapacity:2]);
7503     for (NSString *component in [query componentsSeparatedByString:@" "])
7504         if ([component length] != 0)
7505             [terms addObject:component];
7506
7507     return terms;
7508 }
7509
7510 - (void) useSearch {
7511     _H<NSArray> query([self termsForQuery:[search_ text]]);
7512     summary_ = false;
7513
7514 @synchronized (self) {
7515     [self setFilter:[=](Package *package) {
7516         if (![package unfiltered])
7517             return false;
7518         if (![package matches:query])
7519             return false;
7520         return true;
7521     }];
7522
7523     [self setSorter:[](NSMutableArray *packages) {
7524         [packages radixSortUsingSelector:@selector(rank)];
7525     }];
7526 }
7527
7528     [self clearData];
7529     [self reloadData];
7530 }
7531
7532 - (void) usePrefix:(NSString *)prefix {
7533     _H<NSString> query(prefix);
7534     summary_ = true;
7535
7536 @synchronized (self) {
7537     [self setFilter:[=](Package *package) {
7538         if ([query length] == 0)
7539             return false;
7540         if (![package unfiltered])
7541             return false;
7542         if ([[package name] compare:query options:MatchCompareOptions_ range:NSMakeRange(0, [query length])] != NSOrderedSame)
7543             return false;
7544         return true;
7545     }];
7546
7547     [self setSorter:nullptr];
7548 }
7549
7550     [self reloadData];
7551 }
7552
7553 - (void) searchBarTextDidBeginEditing:(UISearchBar *)searchBar {
7554     [self clearData];
7555     [self usePrefix:[search_ text]];
7556 }
7557
7558 - (void) searchBarButtonClicked:(UISearchBar *)searchBar {
7559     [search_ resignFirstResponder];
7560     [self useSearch];
7561 }
7562
7563 - (void) searchBarCancelButtonClicked:(UISearchBar *)searchBar {
7564     [search_ setText:@""];
7565     [self searchBarButtonClicked:searchBar];
7566 }
7567
7568 - (void) searchBarSearchButtonClicked:(UISearchBar *)searchBar {
7569     [self searchBarButtonClicked:searchBar];
7570 }
7571
7572 - (void) searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)text {
7573     [self usePrefix:text];
7574 }
7575
7576 - (bool) shouldYield {
7577     return YES;
7578 }
7579
7580 - (bool) shouldBlock {
7581     return !summary_;
7582 }
7583
7584 - (bool) isSummarized {
7585     return summary_;
7586 }
7587
7588 - (bool) showsSections {
7589     return false;
7590 }
7591
7592 - (id) initWithDatabase:(Database *)database query:(NSString *)query {
7593     if ((self = [super initWithDatabase:database title:UCLocalize("SEARCH")])) {
7594         search_ = [[[UISearchBar alloc] init] autorelease];
7595         [search_ setPlaceholder:UCLocalize("SEARCH_EX")];
7596         [search_ setDelegate:self];
7597
7598         UITextField *textField;
7599         if ([search_ respondsToSelector:@selector(searchField)])
7600             textField = [search_ searchField];
7601         else
7602             textField = MSHookIvar<UITextField *>(search_, "_searchField");
7603
7604         [textField setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
7605         [textField setEnablesReturnKeyAutomatically:NO];
7606         [[self navigationItem] setTitleView:textField];
7607
7608         if (query != nil)
7609             [search_ setText:query];
7610         [self useSearch];
7611     } return self;
7612 }
7613
7614 - (void) viewDidAppear:(BOOL)animated {
7615     [super viewDidAppear:animated];
7616
7617     if (!searchloaded_) {
7618         searchloaded_ = YES;
7619         [search_ setFrame:CGRectMake(0, 0, [[self view] bounds].size.width, 44.0f)];
7620         [search_ layoutSubviews];
7621     }
7622
7623     if ([self isSummarized])
7624         [search_ becomeFirstResponder];
7625 }
7626
7627 - (void) reloadData {
7628     [self resetCursor];
7629     [super reloadData];
7630 }
7631
7632 - (void) didSelectPackage:(Package *)package {
7633     [search_ resignFirstResponder];
7634     [super didSelectPackage:package];
7635 }
7636
7637 @end
7638 /* }}} */
7639 /* Package Settings Controller {{{ */
7640 @interface PackageSettingsController : CyteViewController <
7641     UITableViewDataSource,
7642     UITableViewDelegate
7643 > {
7644     _transient Database *database_;
7645     _H<NSString> name_;
7646     _H<Package> package_;
7647     _H<UITableView, 2> table_;
7648     _H<UISwitch> subscribedSwitch_;
7649     _H<UISwitch> ignoredSwitch_;
7650     _H<UITableViewCell> subscribedCell_;
7651     _H<UITableViewCell> ignoredCell_;
7652 }
7653
7654 - (id) initWithDatabase:(Database *)database package:(NSString *)package;
7655
7656 @end
7657
7658 @implementation PackageSettingsController
7659
7660 - (NSURL *) navigationURL {
7661     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/settings", (id) name_]];
7662 }
7663
7664 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7665     if (package_ == nil)
7666         return 0;
7667
7668     if ([package_ installed] == nil)
7669         return 1;
7670     else
7671         return 2;
7672 }
7673
7674 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7675     if (package_ == nil)
7676         return 0;
7677
7678     // both sections contain just one item right now.
7679     return 1;
7680 }
7681
7682 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7683     return nil;
7684 }
7685
7686 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
7687     if (section == 0)
7688         return UCLocalize("SHOW_ALL_CHANGES_EX");
7689     else
7690         return UCLocalize("IGNORE_UPGRADES_EX");
7691 }
7692
7693 - (void) onSubscribed:(id)control {
7694     bool value([control isOn]);
7695     if (package_ == nil)
7696         return;
7697     if ([package_ setSubscribed:value])
7698         [delegate_ updateData];
7699 }
7700
7701 - (void) _updateIgnored {
7702     const char *package([name_ UTF8String]);
7703     bool on([ignoredSwitch_ isOn]);
7704
7705     pid_t pid(ExecFork());
7706     if (pid == 0) {
7707         FILE *dpkg(popen("dpkg --set-selections", "w"));
7708         fwrite(package, strlen(package), 1, dpkg);
7709
7710         if (on)
7711             fwrite(" hold\n", 6, 1, dpkg);
7712         else
7713             fwrite(" install\n", 9, 1, dpkg);
7714
7715         pclose(dpkg);
7716
7717         exit(0);
7718     } ReapZombie(pid);
7719 }
7720
7721 - (void) onIgnored:(id)control {
7722     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[self methodSignatureForSelector:@selector(_updateIgnored)]]);
7723     [invocation setTarget:self];
7724     [invocation setSelector:@selector(_updateIgnored)];
7725
7726     [delegate_ reloadDataWithInvocation:invocation];
7727 }
7728
7729 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7730     if (package_ == nil)
7731         return nil;
7732
7733     switch ([indexPath section]) {
7734         case 0: return subscribedCell_;
7735         case 1: return ignoredCell_;
7736
7737         _nodefault
7738     }
7739
7740     return nil;
7741 }
7742
7743 - (void) loadView {
7744     UIView *view([[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]);
7745     [view setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
7746     [self setView:view];
7747
7748     table_ = [[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped] autorelease];
7749     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7750     [(UITableView *) table_ setDataSource:self];
7751     [table_ setDelegate:self];
7752     [view addSubview:table_];
7753
7754     subscribedSwitch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)] autorelease];
7755     [subscribedSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7756     [subscribedSwitch_ addTarget:self action:@selector(onSubscribed:) forEvents:UIControlEventValueChanged];
7757
7758     ignoredSwitch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)] autorelease];
7759     [ignoredSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7760     [ignoredSwitch_ addTarget:self action:@selector(onIgnored:) forEvents:UIControlEventValueChanged];
7761
7762     subscribedCell_ = [[[UITableViewCell alloc] init] autorelease];
7763     [subscribedCell_ setText:UCLocalize("SHOW_ALL_CHANGES")];
7764     [subscribedCell_ setAccessoryView:subscribedSwitch_];
7765     [subscribedCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7766
7767     ignoredCell_ = [[[UITableViewCell alloc] init] autorelease];
7768     [ignoredCell_ setText:UCLocalize("IGNORE_UPGRADES")];
7769     [ignoredCell_ setAccessoryView:ignoredSwitch_];
7770     [ignoredCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7771 }
7772
7773 - (void) viewDidLoad {
7774     [super viewDidLoad];
7775
7776     [[self navigationItem] setTitle:UCLocalize("SETTINGS")];
7777 }
7778
7779 - (void) releaseSubviews {
7780     ignoredCell_ = nil;
7781     subscribedCell_ = nil;
7782     table_ = nil;
7783     ignoredSwitch_ = nil;
7784     subscribedSwitch_ = nil;
7785
7786     [super releaseSubviews];
7787 }
7788
7789 - (id) initWithDatabase:(Database *)database package:(NSString *)package {
7790     if ((self = [super init]) != nil) {
7791         database_ = database;
7792         name_ = package;
7793     } return self;
7794 }
7795
7796 - (void) reloadData {
7797     [super reloadData];
7798
7799     package_ = [database_ packageWithName:name_];
7800
7801     if (package_ != nil) {
7802         [subscribedSwitch_ setOn:([package_ subscribed] ? 1 : 0) animated:NO];
7803         [ignoredSwitch_ setOn:([package_ ignored] ? 1 : 0) animated:NO];
7804     } // XXX: what now, G?
7805
7806     [table_ reloadData];
7807 }
7808
7809 @end
7810 /* }}} */
7811
7812 /* Installed Controller {{{ */
7813 @interface InstalledController : FilteredPackageListController {
7814 }
7815
7816 - (id) initWithDatabase:(Database *)database;
7817 - (void) queueStatusDidChange;
7818
7819 @end
7820
7821 @implementation InstalledController
7822
7823 - (NSURL *) referrerURL {
7824     return [NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/installed/", UI_]];
7825 }
7826
7827 - (NSURL *) navigationURL {
7828     return [NSURL URLWithString:@"cydia://installed"];
7829 }
7830
7831 - (void) useFilter:(UISegmentedControl *)segmented {
7832     bool simple([segmented selectedSegmentIndex] == 0);
7833
7834 @synchronized (self) {
7835     [self setFilter:[=](Package *package) {
7836         return ![package uninstalled] && package->role_ <= (simple ? 1 : 3);
7837     }];
7838 } }
7839
7840 - (id) initWithDatabase:(Database *)database {
7841     if ((self = [super initWithDatabase:database title:UCLocalize("INSTALLED")]) != nil) {
7842         UISegmentedControl *segmented([[[UISegmentedControl alloc] initWithItems:[NSArray arrayWithObjects:UCLocalize("SIMPLE"), UCLocalize("EXPERT"), nil]] autorelease]);
7843         [segmented setSelectedSegmentIndex:0];
7844         [segmented setSegmentedControlStyle:UISegmentedControlStyleBar];
7845         [[self navigationItem] setTitleView:segmented];
7846
7847         [segmented addTarget:self action:@selector(modeChanged:) forEvents:UIControlEventValueChanged];
7848         [self useFilter:segmented];
7849
7850         [self queueStatusDidChange];
7851     } return self;
7852 }
7853
7854 #if !AlwaysReload
7855 - (void) queueButtonClicked {
7856     [delegate_ queue];
7857 }
7858 #endif
7859
7860 - (void) queueStatusDidChange {
7861 #if !AlwaysReload
7862     if (Queuing_) {
7863         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7864             initWithTitle:UCLocalize("QUEUE")
7865             style:UIBarButtonItemStyleDone
7866             target:self
7867             action:@selector(queueButtonClicked)
7868         ] autorelease]];
7869     } else {
7870         [[self navigationItem] setLeftBarButtonItem:nil];
7871     }
7872 #endif
7873 }
7874
7875 - (void) modeChanged:(UISegmentedControl *)segmented {
7876     [self useFilter:segmented];
7877     [self reloadData];
7878 }
7879
7880 @end
7881 /* }}} */
7882
7883 /* Source Cell {{{ */
7884 @interface SourceCell : CyteTableViewCell <
7885     CyteTableViewCellDelegate,
7886     SourceDelegate
7887 > {
7888     _H<Source, 1> source_;
7889     _H<NSURL> url_;
7890     _H<UIImage> icon_;
7891     _H<NSString> origin_;
7892     _H<NSString> label_;
7893     _H<UIActivityIndicatorView> indicator_;
7894 }
7895
7896 - (void) setSource:(Source *)source;
7897 - (void) setFetch:(NSNumber *)fetch;
7898
7899 @end
7900
7901 @implementation SourceCell
7902
7903 - (void) _setImage:(NSArray *)data {
7904     if ([url_ isEqual:[data objectAtIndex:0]]) {
7905         icon_ = [data objectAtIndex:1];
7906         [content_ setNeedsDisplay];
7907     }
7908 }
7909
7910 - (void) _setSource:(NSURL *) url {
7911     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
7912
7913     if (NSData *data = [NSURLConnection
7914         sendSynchronousRequest:[NSURLRequest
7915             requestWithURL:url
7916             cachePolicy:NSURLRequestUseProtocolCachePolicy
7917             timeoutInterval:10
7918         ]
7919
7920         returningResponse:NULL
7921         error:NULL
7922     ])
7923         if (UIImage *image = [UIImage imageWithData:data])
7924             [self performSelectorOnMainThread:@selector(_setImage:) withObject:[NSArray arrayWithObjects:url, image, nil] waitUntilDone:NO];
7925
7926     [pool release];
7927 }
7928
7929 - (void) setSource:(Source *)source {
7930     source_ = source;
7931     [source_ setDelegate:self];
7932
7933     [self setFetch:[NSNumber numberWithBool:[source_ fetch]]];
7934
7935     icon_ = [UIImage applicationImageNamed:@"unknown.png"];
7936
7937     origin_ = [source name];
7938     label_ = [source rooturi];
7939
7940     [content_ setNeedsDisplay];
7941
7942     url_ = [source iconURL];
7943     [NSThread detachNewThreadSelector:@selector(_setSource:) toTarget:self withObject:url_];
7944 }
7945
7946 - (void) setAllSource {
7947     source_ = nil;
7948     [indicator_ stopAnimating];
7949
7950     icon_ = [UIImage applicationImageNamed:@"folder.png"];
7951     origin_ = UCLocalize("ALL_SOURCES");
7952     label_ = UCLocalize("ALL_SOURCES_EX");
7953     [content_ setNeedsDisplay];
7954 }
7955
7956 - (SourceCell *) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
7957     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
7958         UIView *content([self contentView]);
7959         CGRect bounds([content bounds]);
7960
7961         content_ = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
7962         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7963         [content_ setBackgroundColor:[UIColor whiteColor]];
7964         [content addSubview:content_];
7965
7966         [content_ setDelegate:self];
7967         [content_ setOpaque:YES];
7968
7969         indicator_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGraySmall] autorelease];
7970         [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleTopMargin];// | UIViewAutoresizingFlexibleBottomMargin];
7971         [content addSubview:indicator_];
7972
7973         [[content_ layer] setContentsGravity:kCAGravityTopLeft];
7974     } return self;
7975 }
7976
7977 - (void) layoutSubviews {
7978     [super layoutSubviews];
7979
7980     UIView *content([self contentView]);
7981     CGRect bounds([content bounds]);
7982
7983     CGRect frame([indicator_ frame]);
7984     frame.origin.x = bounds.size.width - frame.size.width;
7985     frame.origin.y = (bounds.size.height - frame.size.height) / 2;
7986
7987     if (kCFCoreFoundationVersionNumber < 800)
7988         frame.origin.x -= 8;
7989     [indicator_ setFrame:frame];
7990 }
7991
7992 - (NSString *) accessibilityLabel {
7993     return origin_;
7994 }
7995
7996 - (void) drawContentRect:(CGRect)rect {
7997     bool highlighted(highlighted_);
7998     float width(rect.size.width);
7999
8000     if (icon_ != nil) {
8001         CGRect rect;
8002         rect.size = [(UIImage *) icon_ size];
8003
8004         while (rect.size.width > 32 || rect.size.height > 32) {
8005             rect.size.width /= 2;
8006             rect.size.height /= 2;
8007         }
8008
8009         rect.origin.x = 26 - rect.size.width / 2;
8010         rect.origin.y = 26 - rect.size.height / 2;
8011
8012         [icon_ drawInRect:rect];
8013     }
8014
8015     if (highlighted && kCFCoreFoundationVersionNumber < 800)
8016         UISetColor(White_);
8017
8018     if (!highlighted)
8019         UISetColor(Black_);
8020     [origin_ drawAtPoint:CGPointMake(52, 8) forWidth:(width - 61) withFont:Font18Bold_ lineBreakMode:NSLineBreakByTruncatingTail];
8021
8022     if (!highlighted)
8023         UISetColor(Gray_);
8024     [label_ drawAtPoint:CGPointMake(52, 29) forWidth:(width - 61) withFont:Font12_ lineBreakMode:NSLineBreakByTruncatingTail];
8025 }
8026
8027 - (void) setFetch:(NSNumber *)fetch {
8028     if ([fetch boolValue])
8029         [indicator_ startAnimating];
8030     else
8031         [indicator_ stopAnimating];
8032 }
8033
8034 @end
8035 /* }}} */
8036 /* Sources Controller {{{ */
8037 @interface SourcesController : CyteViewController <
8038     UITableViewDataSource,
8039     UITableViewDelegate
8040 > {
8041     _transient Database *database_;
8042     unsigned era_;
8043
8044     _H<UITableView, 2> list_;
8045     _H<NSMutableArray> sources_;
8046     int offset_;
8047
8048     _H<NSString> href_;
8049     _H<UIProgressHUD> hud_;
8050     _H<NSError> error_;
8051
8052     NSURLConnection *trivial_bz2_;
8053     NSURLConnection *trivial_gz_;
8054
8055     BOOL cydia_;
8056 }
8057
8058 - (id) initWithDatabase:(Database *)database;
8059 - (void) updateButtonsForEditingStatusAnimated:(BOOL)animated;
8060
8061 @end
8062
8063 @implementation SourcesController
8064
8065 - (void) _releaseConnection:(NSURLConnection *)connection {
8066     if (connection != nil) {
8067         [connection cancel];
8068         //[connection setDelegate:nil];
8069         [connection release];
8070     }
8071 }
8072
8073 - (void) dealloc {
8074     [self _releaseConnection:trivial_gz_];
8075     [self _releaseConnection:trivial_bz2_];
8076
8077     [super dealloc];
8078 }
8079
8080 - (NSURL *) navigationURL {
8081     return [NSURL URLWithString:@"cydia://sources"];
8082 }
8083
8084 - (void) viewDidAppear:(BOOL)animated {
8085     [super viewDidAppear:animated];
8086     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
8087 }
8088
8089 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8090     return 2;
8091 }
8092
8093 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
8094     if (section == 1)
8095         return UCLocalize("INDIVIDUAL_SOURCES");
8096     return nil;
8097 }
8098
8099 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8100     switch (section) {
8101         case 0: return 1;
8102         case 1: return [sources_ count];
8103         default: return 0;
8104     }
8105 }
8106
8107 - (Source *) sourceAtIndexPath:(NSIndexPath *)indexPath {
8108 @synchronized (database_) {
8109     if ([database_ era] != era_)
8110         return nil;
8111     if ([indexPath section] != 1)
8112         return nil;
8113     NSUInteger index([indexPath row]);
8114     if (index >= [sources_ count])
8115         return nil;
8116     return [sources_ objectAtIndex:index];
8117 } }
8118
8119 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8120     static NSString *cellIdentifier = @"SourceCell";
8121
8122     SourceCell *cell = (SourceCell *) [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
8123     if (cell == nil) cell = [[[SourceCell alloc] initWithFrame:CGRectZero reuseIdentifier:cellIdentifier] autorelease];
8124     [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];
8125
8126     Source *source([self sourceAtIndexPath:indexPath]);
8127     if (source == nil)
8128         [cell setAllSource];
8129     else
8130         [cell setSource:source];
8131
8132     return cell;
8133 }
8134
8135 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
8136     SectionsController *controller([[[SectionsController alloc]
8137         initWithDatabase:database_
8138         source:[self sourceAtIndexPath:indexPath]
8139     ] autorelease]);
8140
8141     [controller setDelegate:delegate_];
8142     [[self navigationController] pushViewController:controller animated:YES];
8143 }
8144
8145 - (BOOL) tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
8146     if ([indexPath section] != 1)
8147         return false;
8148     Source *source = [self sourceAtIndexPath:indexPath];
8149     return [source record] != nil;
8150 }
8151
8152 - (void) tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
8153     _assert([indexPath section] == 1);
8154     if (editingStyle ==  UITableViewCellEditingStyleDelete) {
8155         Source *source = [self sourceAtIndexPath:indexPath];
8156         if (source == nil) return;
8157
8158         [Sources_ removeObjectForKey:[source key]];
8159         Changed_ = true;
8160
8161         [delegate_ _saveConfig];
8162         [delegate_ reloadDataWithInvocation:nil];
8163     }
8164 }
8165
8166 - (void) tableView:(UITableView *)tableView didEndEditingRowAtIndexPath:(NSIndexPath *)indexPath {
8167     [self updateButtonsForEditingStatusAnimated:YES];
8168 }
8169
8170 - (void) complete {
8171     [delegate_ addTrivialSource:href_];
8172     href_ = nil;
8173
8174     [delegate_ syncData];
8175 }
8176
8177 - (NSString *) getWarning {
8178     NSString *href(href_);
8179     NSRange colon([href rangeOfString:@"://"]);
8180     if (colon.location != NSNotFound)
8181         href = [href substringFromIndex:(colon.location + 3)];
8182     href = [href stringByAddingPercentEscapes];
8183     href = [CydiaURL(@"api/repotag/") stringByAppendingString:href];
8184
8185     NSURL *url([NSURL URLWithString:href]);
8186
8187     NSStringEncoding encoding;
8188     NSError *error(nil);
8189
8190     if (NSString *warning = [NSString stringWithContentsOfURL:url usedEncoding:&encoding error:&error])
8191         return [warning length] == 0 ? nil : warning;
8192     return nil;
8193 }
8194
8195 - (void) _endConnection:(NSURLConnection *)connection {
8196     // XXX: the memory management in this method is horribly awkward
8197
8198     NSURLConnection **field = NULL;
8199     if (connection == trivial_bz2_)
8200         field = &trivial_bz2_;
8201     else if (connection == trivial_gz_)
8202         field = &trivial_gz_;
8203     _assert(field != NULL);
8204     [connection release];
8205     *field = nil;
8206
8207     if (
8208         trivial_bz2_ == nil &&
8209         trivial_gz_ == nil
8210     ) {
8211         NSString *warning(cydia_ ? [self yieldToSelector:@selector(getWarning)] : nil);
8212
8213         [delegate_ releaseNetworkActivityIndicator];
8214
8215         [delegate_ removeProgressHUD:hud_];
8216         hud_ = nil;
8217
8218         if (cydia_) {
8219             if (warning != nil) {
8220                 UIAlertView *alert = [[[UIAlertView alloc]
8221                     initWithTitle:UCLocalize("SOURCE_WARNING")
8222                     message:warning
8223                     delegate:self
8224                     cancelButtonTitle:UCLocalize("CANCEL")
8225                     otherButtonTitles:
8226                         UCLocalize("ADD_ANYWAY"),
8227                     nil
8228                 ] autorelease];
8229
8230                 [alert setContext:@"warning"];
8231                 [alert setNumberOfRows:1];
8232                 [alert show];
8233
8234                 // XXX: there used to be this great mechanism called yieldToPopup... who deleted it?
8235                 error_ = nil;
8236                 return;
8237             }
8238
8239             [self complete];
8240         } else if (error_ != nil) {
8241             UIAlertView *alert = [[[UIAlertView alloc]
8242                 initWithTitle:UCLocalize("VERIFICATION_ERROR")
8243                 message:[error_ localizedDescription]
8244                 delegate:self
8245                 cancelButtonTitle:UCLocalize("OK")
8246                 otherButtonTitles:nil
8247             ] autorelease];
8248
8249             [alert setContext:@"urlerror"];
8250             [alert show];
8251
8252             href_ = nil;
8253         } else {
8254             UIAlertView *alert = [[[UIAlertView alloc]
8255                 initWithTitle:UCLocalize("NOT_REPOSITORY")
8256                 message:UCLocalize("NOT_REPOSITORY_EX")
8257                 delegate:self
8258                 cancelButtonTitle:UCLocalize("OK")
8259                 otherButtonTitles:nil
8260             ] autorelease];
8261
8262             [alert setContext:@"trivial"];
8263             [alert show];
8264
8265             href_ = nil;
8266         }
8267
8268         error_ = nil;
8269     }
8270 }
8271
8272 - (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response {
8273     switch ([response statusCode]) {
8274         case 200:
8275             cydia_ = YES;
8276     }
8277 }
8278
8279 - (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
8280     lprintf("connection:\"%s\" didFailWithError:\"%s\"\n", [href_ UTF8String], [[error localizedDescription] UTF8String]);
8281     error_ = error;
8282     [self _endConnection:connection];
8283 }
8284
8285 - (void) connectionDidFinishLoading:(NSURLConnection *)connection {
8286     [self _endConnection:connection];
8287 }
8288
8289 - (NSURLConnection *) _requestHRef:(NSString *)href method:(NSString *)method {
8290     NSURL *url([NSURL URLWithString:href]);
8291
8292     NSMutableURLRequest *request = [NSMutableURLRequest
8293         requestWithURL:url
8294         cachePolicy:NSURLRequestUseProtocolCachePolicy
8295         timeoutInterval:10
8296     ];
8297
8298     [request setHTTPMethod:method];
8299
8300     if (Machine_ != NULL)
8301         [request setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
8302
8303     if (UniqueID_ != nil)
8304         [request setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
8305
8306     if ([url isCydiaSecure]) {
8307         if (UniqueID_ != nil)
8308             [request setValue:UniqueID_ forHTTPHeaderField:@"X-Cydia-Id"];
8309     }
8310
8311     return [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease];
8312 }
8313
8314 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
8315     NSString *context([alert context]);
8316
8317     if ([context isEqualToString:@"source"]) {
8318         switch (button) {
8319             case 1: {
8320                 NSString *href = [[alert textField] text];
8321
8322                 static Pcre href_r("^http(s?)://[^# ]*$");
8323                 if (!href_r(href)) {
8324                     UIAlertView *alert = [[[UIAlertView alloc]
8325                         initWithTitle:Error_
8326                         message:UCLocalize("INVALID_URL")
8327                         delegate:self
8328                         cancelButtonTitle:UCLocalize("OK")
8329                         otherButtonTitles:nil
8330                     ] autorelease];
8331
8332                     [alert setContext:@"badurl"];
8333                     [alert show];
8334
8335                     break;
8336                 }
8337
8338                 if (![href hasSuffix:@"/"])
8339                     href_ = [href stringByAppendingString:@"/"];
8340                 else
8341                     href_ = href;
8342
8343                 trivial_bz2_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.bz2"] method:@"HEAD"] retain];
8344                 trivial_gz_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.gz"] method:@"HEAD"] retain];
8345
8346                 cydia_ = false;
8347
8348                 // XXX: this is stupid
8349                 hud_ = [delegate_ addProgressHUD];
8350                 [hud_ setText:UCLocalize("VERIFYING_URL")];
8351                 [delegate_ retainNetworkActivityIndicator];
8352             } break;
8353
8354             case 0:
8355             break;
8356
8357             _nodefault
8358         }
8359
8360         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8361     } else if ([context isEqualToString:@"trivial"])
8362         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8363     else if ([context isEqualToString:@"urlerror"])
8364         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8365     else if ([context isEqualToString:@"warning"]) {
8366         switch (button) {
8367             case 1:
8368                 [self performSelector:@selector(complete) withObject:nil afterDelay:0];
8369             break;
8370
8371             case 0:
8372             break;
8373
8374             _nodefault
8375         }
8376
8377         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8378     }
8379 }
8380
8381 - (void) updateButtonsForEditingStatusAnimated:(BOOL)animated {
8382     BOOL editing([list_ isEditing]);
8383
8384     if (editing)
8385         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8386             initWithTitle:UCLocalize("ADD")
8387             style:UIBarButtonItemStylePlain
8388             target:self
8389             action:@selector(addButtonClicked)
8390         ] autorelease] animated:animated];
8391     else if ([delegate_ updating])
8392         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8393             initWithTitle:UCLocalize("CANCEL")
8394             style:UIBarButtonItemStyleDone
8395             target:self
8396             action:@selector(cancelButtonClicked)
8397         ] autorelease] animated:animated];
8398     else
8399         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8400             initWithTitle:UCLocalize("REFRESH")
8401             style:UIBarButtonItemStylePlain
8402             target:self
8403             action:@selector(refreshButtonClicked)
8404         ] autorelease] animated:animated];
8405
8406     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8407         initWithTitle:(editing ? UCLocalize("DONE") : UCLocalize("EDIT"))
8408         style:(editing ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
8409         target:self
8410         action:@selector(editButtonClicked)
8411     ] autorelease] animated:animated];
8412 }
8413
8414 - (void) loadView {
8415     list_ = [[[UITableView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame] style:UITableViewStylePlain] autorelease];
8416     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8417     [list_ setRowHeight:53];
8418     [(UITableView *) list_ setDataSource:self];
8419     [list_ setDelegate:self];
8420     [self setView:list_];
8421 }
8422
8423 - (void) viewDidLoad {
8424     [super viewDidLoad];
8425
8426     [[self navigationItem] setTitle:UCLocalize("SOURCES")];
8427     [self updateButtonsForEditingStatusAnimated:NO];
8428 }
8429
8430 - (void) viewWillAppear:(BOOL)animated {
8431     [super viewWillAppear:animated];
8432
8433     [list_ setEditing:NO];
8434     [self updateButtonsForEditingStatusAnimated:NO];
8435 }
8436
8437 - (void) releaseSubviews {
8438     list_ = nil;
8439
8440     sources_ = nil;
8441
8442     [super releaseSubviews];
8443 }
8444
8445 - (id) initWithDatabase:(Database *)database {
8446     if ((self = [super init]) != nil) {
8447         database_ = database;
8448     } return self;
8449 }
8450
8451 - (void) reloadData {
8452     [super reloadData];
8453     [self updateButtonsForEditingStatusAnimated:YES];
8454
8455 @synchronized (database_) {
8456     era_ = [database_ era];
8457
8458     sources_ = [NSMutableArray arrayWithCapacity:16];
8459     [sources_ addObjectsFromArray:[database_ sources]];
8460     _trace();
8461     [sources_ sortUsingSelector:@selector(compareByName:)];
8462     _trace();
8463
8464     int count([sources_ count]);
8465     offset_ = 0;
8466     for (int i = 0; i != count; i++) {
8467         if ([[sources_ objectAtIndex:i] record] == nil)
8468             break;
8469         offset_++;
8470     }
8471
8472     [list_ reloadData];
8473 } }
8474
8475 - (void) showAddSourcePrompt {
8476     UIAlertView *alert = [[[UIAlertView alloc]
8477         initWithTitle:UCLocalize("ENTER_APT_URL")
8478         message:nil
8479         delegate:self
8480         cancelButtonTitle:UCLocalize("CANCEL")
8481         otherButtonTitles:
8482             UCLocalize("ADD_SOURCE"),
8483         nil
8484     ] autorelease];
8485
8486     [alert setContext:@"source"];
8487
8488     [alert setNumberOfRows:1];
8489     [alert addTextFieldWithValue:@"http://" label:@""];
8490
8491     UITextInputTraits *traits = [[alert textField] textInputTraits];
8492     [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
8493     [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
8494     [traits setKeyboardType:UIKeyboardTypeURL];
8495     // XXX: UIReturnKeyDone
8496     [traits setReturnKeyType:UIReturnKeyNext];
8497
8498     [alert show];
8499 }
8500
8501 - (void) addButtonClicked {
8502     [self showAddSourcePrompt];
8503 }
8504
8505 - (void) refreshButtonClicked {
8506     if ([delegate_ requestUpdate])
8507         [self updateButtonsForEditingStatusAnimated:YES];
8508 }
8509
8510 - (void) cancelButtonClicked {
8511     [delegate_ cancelUpdate];
8512 }
8513
8514 - (void) editButtonClicked {
8515     [list_ setEditing:![list_ isEditing] animated:YES];
8516     [self updateButtonsForEditingStatusAnimated:YES];
8517 }
8518
8519 @end
8520 /* }}} */
8521
8522 /* Stash Controller {{{ */
8523 @interface StashController : CyteViewController {
8524     _H<UIActivityIndicatorView> spinner_;
8525     _H<UILabel> status_;
8526     _H<UILabel> caption_;
8527 }
8528
8529 @end
8530
8531 @implementation StashController
8532
8533 - (void) loadView {
8534     UIView *view([[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]);
8535     [view setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
8536     [self setView:view];
8537
8538     [view setBackgroundColor:[UIColor viewFlipsideBackgroundColor]];
8539
8540     spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge] autorelease];
8541     CGRect spinrect = [spinner_ frame];
8542     spinrect.origin.x = ([[self view] frame].size.width / 2) - (spinrect.size.width / 2);
8543     spinrect.origin.y = [[self view] frame].size.height - 80.0f;
8544     [spinner_ setFrame:spinrect];
8545     [spinner_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin];
8546     [view addSubview:spinner_];
8547     [spinner_ startAnimating];
8548
8549     CGRect captrect;
8550     captrect.size.width = [[self view] frame].size.width;
8551     captrect.size.height = 40.0f;
8552     captrect.origin.x = 0;
8553     captrect.origin.y = ([[self view] frame].size.height / 2) - (captrect.size.height * 2);
8554     caption_ = [[[UILabel alloc] initWithFrame:captrect] autorelease];
8555     [caption_ setText:UCLocalize("PREPARING_FILESYSTEM")];
8556     [caption_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8557     [caption_ setFont:[UIFont boldSystemFontOfSize:28.0f]];
8558     [caption_ setTextColor:[UIColor whiteColor]];
8559     [caption_ setBackgroundColor:[UIColor clearColor]];
8560     [caption_ setShadowColor:[UIColor blackColor]];
8561     [caption_ setTextAlignment:NSTextAlignmentCenter];
8562     [view addSubview:caption_];
8563
8564     CGRect statusrect;
8565     statusrect.size.width = [[self view] frame].size.width;
8566     statusrect.size.height = 30.0f;
8567     statusrect.origin.x = 0;
8568     statusrect.origin.y = ([[self view] frame].size.height / 2) - statusrect.size.height;
8569     status_ = [[[UILabel alloc] initWithFrame:statusrect] autorelease];
8570     [status_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8571     [status_ setText:UCLocalize("EXIT_WHEN_COMPLETE")];
8572     [status_ setFont:[UIFont systemFontOfSize:16.0f]];
8573     [status_ setTextColor:[UIColor whiteColor]];
8574     [status_ setBackgroundColor:[UIColor clearColor]];
8575     [status_ setShadowColor:[UIColor blackColor]];
8576     [status_ setTextAlignment:NSTextAlignmentCenter];
8577     [view addSubview:status_];
8578 }
8579
8580 - (void) releaseSubviews {
8581     spinner_ = nil;
8582     status_ = nil;
8583     caption_ = nil;
8584
8585     [super releaseSubviews];
8586 }
8587
8588 @end
8589 /* }}} */
8590
8591 @interface CYURLCache : SDURLCache {
8592 }
8593
8594 @end
8595
8596 @implementation CYURLCache
8597
8598 - (void) logEvent:(NSString *)event forRequest:(NSURLRequest *)request {
8599 #if !ForRelease
8600     if (false);
8601     else if ([event isEqualToString:@"no-cache"])
8602         event = @"!!!";
8603     else if ([event isEqualToString:@"store"])
8604         event = @">>>";
8605     else if ([event isEqualToString:@"invalid"])
8606         event = @"???";
8607     else if ([event isEqualToString:@"memory"])
8608         event = @"mem";
8609     else if ([event isEqualToString:@"disk"])
8610         event = @"ssd";
8611     else if ([event isEqualToString:@"miss"])
8612         event = @"---";
8613
8614     NSLog(@"%@: %@", event, [[request URL] absoluteString]);
8615 #endif
8616 }
8617
8618 - (void) storeCachedResponse:(NSCachedURLResponse *)cached forRequest:(NSURLRequest *)request {
8619     if (NSURLResponse *response = [cached response])
8620         if (NSString *mime = [response MIMEType])
8621             if ([mime isEqualToString:@"text/cache-manifest"]) {
8622                 NSURL *url([response URL]);
8623
8624 #if !ForRelease
8625                 NSLog(@"###: %@", [url absoluteString]);
8626 #endif
8627
8628                 @synchronized (HostConfig_) {
8629                     [CachedURLs_ addObject:url];
8630                 }
8631             }
8632
8633     [super storeCachedResponse:cached forRequest:request];
8634 }
8635
8636 @end
8637
8638 @interface Cydia : UIApplication <
8639     ConfirmationControllerDelegate,
8640     DatabaseDelegate,
8641     CydiaDelegate,
8642     UINavigationControllerDelegate,
8643     UITabBarControllerDelegate
8644 > {
8645     _H<UIWindow> window_;
8646     _H<CydiaTabBarController> tabbar_;
8647     _H<CydiaLoadingViewController> emulated_;
8648
8649     _H<NSMutableArray> essential_;
8650     _H<NSMutableArray> broken_;
8651
8652     Database *database_;
8653
8654     _H<NSURL> starturl_;
8655
8656     unsigned locked_;
8657     unsigned activity_;
8658
8659     _H<StashController> stash_;
8660
8661     bool loaded_;
8662 }
8663
8664 - (void) loadData;
8665
8666 @end
8667
8668 @implementation Cydia
8669
8670 - (void) lockSuspend {
8671     if (locked_++ == 0) {
8672         if ($SBSSetInterceptsMenuButtonForever != NULL)
8673             (*$SBSSetInterceptsMenuButtonForever)(true);
8674
8675         [self setIdleTimerDisabled:YES];
8676     }
8677 }
8678
8679 - (void) unlockSuspend {
8680     if (--locked_ == 0) {
8681         [self setIdleTimerDisabled:NO];
8682
8683         if ($SBSSetInterceptsMenuButtonForever != NULL)
8684             (*$SBSSetInterceptsMenuButtonForever)(false);
8685     }
8686 }
8687
8688 - (void) beginUpdate {
8689     [tabbar_ beginUpdate];
8690 }
8691
8692 - (void) cancelUpdate {
8693     [tabbar_ cancelUpdate];
8694 }
8695
8696 - (bool) requestUpdate {
8697     if (IsReachable("cydia.saurik.com")) {
8698         [self beginUpdate];
8699         return true;
8700     } else {
8701         UIAlertView *alert = [[[UIAlertView alloc]
8702             initWithTitle:[NSString stringWithFormat:Colon_, Error_, UCLocalize("REFRESH")]
8703             message:@"Host Unreachable" // XXX: Localize
8704             delegate:self
8705             cancelButtonTitle:UCLocalize("OK")
8706             otherButtonTitles:nil
8707         ] autorelease];
8708
8709         [alert setContext:@"norefresh"];
8710         [alert show];
8711
8712         return false;
8713     }
8714 }
8715
8716 - (BOOL) updating {
8717     return [tabbar_ updating];
8718 }
8719
8720 - (void) _loaded {
8721     if ([broken_ count] != 0) {
8722         int count = [broken_ count];
8723
8724         UIAlertView *alert = [[[UIAlertView alloc]
8725             initWithTitle:(count == 1 ? UCLocalize("HALFINSTALLED_PACKAGE") : [NSString stringWithFormat:UCLocalize("HALFINSTALLED_PACKAGES"), count])
8726             message:UCLocalize("HALFINSTALLED_PACKAGE_EX")
8727             delegate:self
8728             cancelButtonTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("FORCIBLY_CLEAR"), UCLocalize("UNSAFE")]
8729             otherButtonTitles:
8730                 UCLocalize("TEMPORARY_IGNORE"),
8731             nil
8732         ] autorelease];
8733
8734         [alert setContext:@"fixhalf"];
8735         [alert setNumberOfRows:2];
8736         [alert show];
8737     } else if (!Ignored_ && [essential_ count] != 0) {
8738         int count = [essential_ count];
8739
8740         UIAlertView *alert = [[[UIAlertView alloc]
8741             initWithTitle:(count == 1 ? UCLocalize("ESSENTIAL_UPGRADE") : [NSString stringWithFormat:UCLocalize("ESSENTIAL_UPGRADES"), count])
8742             message:UCLocalize("ESSENTIAL_UPGRADE_EX")
8743             delegate:self
8744             cancelButtonTitle:UCLocalize("TEMPORARY_IGNORE")
8745             otherButtonTitles:
8746                 UCLocalize("UPGRADE_ESSENTIAL"),
8747                 UCLocalize("COMPLETE_UPGRADE"),
8748             nil
8749         ] autorelease];
8750
8751         [alert setContext:@"upgrade"];
8752         [alert show];
8753     }
8754 }
8755
8756 - (void) returnToCydia {
8757     [self _loaded];
8758 }
8759
8760 - (void) _saveConfig {
8761     @synchronized (database_) {
8762         _trace();
8763         MetaFile_.Sync();
8764         _trace();
8765     }
8766
8767     if (Changed_) {
8768         NSString *error(nil);
8769
8770         if (NSData *data = [NSPropertyListSerialization dataFromPropertyList:Metadata_ format:NSPropertyListBinaryFormat_v1_0 errorDescription:&error]) {
8771             _trace();
8772             NSError *error(nil);
8773             if (![data writeToFile:@"/var/lib/cydia/metadata.plist" options:NSAtomicWrite error:&error])
8774                 NSLog(@"failure to save metadata data: %@", error);
8775             _trace();
8776
8777             Changed_ = false;
8778         } else {
8779             NSLog(@"failure to serialize metadata: %@", error);
8780         }
8781     }
8782
8783     CydiaWriteSources();
8784 }
8785
8786 // Navigation controller for the queuing badge.
8787 - (UINavigationController *) queueNavigationController {
8788     NSArray *controllers = [tabbar_ viewControllers];
8789     return [controllers objectAtIndex:3];
8790 }
8791
8792 - (void) unloadData {
8793     [tabbar_ unloadData];
8794 }
8795
8796 - (void) _updateData {
8797     [self _saveConfig];
8798     [self unloadData];
8799
8800     UINavigationController *navigation = [self queueNavigationController];
8801
8802     id queuedelegate = nil;
8803     if ([[navigation viewControllers] count] > 0)
8804         queuedelegate = [[navigation viewControllers] objectAtIndex:0];
8805
8806     [queuedelegate queueStatusDidChange];
8807     [[navigation tabBarItem] setBadgeValue:(Queuing_ ? UCLocalize("Q_D") : nil)];
8808 }
8809
8810 - (void) _refreshIfPossible:(NSDate *)update {
8811     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
8812
8813     bool recently = false;
8814     if (update != nil) {
8815         NSTimeInterval interval([update timeIntervalSinceNow]);
8816         if (interval <= 0 && interval > -(15*60))
8817             recently = true;
8818     }
8819
8820     // Don't automatic refresh if:
8821     //  - We already refreshed recently.
8822     //  - We already auto-refreshed this launch.
8823     //  - Auto-refresh is disabled.
8824     //  - Cydia's server is not reachable
8825     if (recently || loaded_ || ManualRefresh || !IsReachable("cydia.saurik.com")) {
8826         // If we are cancelling, we need to make sure it knows it's already loaded.
8827         loaded_ = true;
8828
8829         [self performSelectorOnMainThread:@selector(_loaded) withObject:nil waitUntilDone:NO];
8830     } else {
8831         // We are going to load, so remember that.
8832         loaded_ = true;
8833
8834         [tabbar_ performSelectorOnMainThread:@selector(setUpdate:) withObject:update waitUntilDone:NO];
8835     }
8836
8837     [pool release];
8838 }
8839
8840 - (void) refreshIfPossible {
8841     [NSThread detachNewThreadSelector:@selector(_refreshIfPossible:) toTarget:self withObject:[Metadata_ objectForKey:@"LastUpdate"]];
8842 }
8843
8844 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
8845 @synchronized (self) {
8846     UIProgressHUD *hud(loaded_ ? [self addProgressHUD] : nil);
8847     if (hud != nil)
8848         [hud setText:UCLocalize("RELOADING_DATA")];
8849
8850     [database_ yieldToSelector:@selector(reloadDataWithInvocation:) withObject:invocation];
8851
8852     size_t changes(0);
8853
8854     [essential_ removeAllObjects];
8855     [broken_ removeAllObjects];
8856
8857     NSArray *packages([database_ packages]);
8858     for (Package *package in packages) {
8859         if ([package half])
8860             [broken_ addObject:package];
8861         if ([package upgradableAndEssential:YES] && ![package ignored]) {
8862             if ([package essential] && [package installed] != nil)
8863                 [essential_ addObject:package];
8864             ++changes;
8865         }
8866     }
8867
8868     UITabBarItem *changesItem = [[[tabbar_ viewControllers] objectAtIndex:2] tabBarItem];
8869     if (changes != 0) {
8870         _trace();
8871         NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
8872         [changesItem setBadgeValue:badge];
8873         [changesItem setAnimatedBadge:([essential_ count] > 0)];
8874         [self setApplicationIconBadgeNumber:changes];
8875     } else {
8876         _trace();
8877         [changesItem setBadgeValue:nil];
8878         [changesItem setAnimatedBadge:NO];
8879         [self setApplicationIconBadgeNumber:0];
8880     }
8881
8882     [self _updateData];
8883
8884     if (hud != nil)
8885         [self removeProgressHUD:hud];
8886 } }
8887
8888 - (void) updateData {
8889     [self _updateData];
8890 }
8891
8892 - (void) updateDataAndLoad {
8893     [self _updateData];
8894     if ([database_ progressDelegate] == nil)
8895         [self _loaded];
8896 }
8897
8898 - (void) update_ {
8899     [database_ update];
8900     [self performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:YES];
8901 }
8902
8903 - (void) disemulate {
8904     if (emulated_ == nil)
8905         return;
8906
8907     [window_ addSubview:[tabbar_ view]];
8908     if ([window_ respondsToSelector:@selector(setRootViewController:)])
8909         [window_ setRootViewController:tabbar_];
8910     [[emulated_ view] removeFromSuperview];
8911     emulated_ = nil;
8912     [window_ setUserInteractionEnabled:YES];
8913 }
8914
8915 - (void) presentModalViewController:(UIViewController *)controller force:(BOOL)force {
8916     UINavigationController *navigation([[[UINavigationController alloc] initWithRootViewController:controller] autorelease]);
8917     if (IsWildcat_)
8918         [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
8919
8920     UIViewController *parent;
8921     if (emulated_ == nil)
8922         parent = tabbar_;
8923     else if (!force)
8924         parent = emulated_;
8925     else {
8926         [self disemulate];
8927         parent = tabbar_;
8928     }
8929
8930     [parent presentModalViewController:navigation animated:YES];
8931 }
8932
8933 - (ProgressController *) invokeNewProgress:(NSInvocation *)invocation forController:(UINavigationController *)navigation withTitle:(NSString *)title {
8934     ProgressController *progress([[[ProgressController alloc] initWithDatabase:database_ delegate:self] autorelease]);
8935
8936     if (navigation != nil)
8937         [navigation pushViewController:progress animated:YES];
8938     else
8939         [self presentModalViewController:progress force:YES];
8940
8941     [progress invoke:invocation withTitle:title];
8942     return progress;
8943 }
8944
8945 - (void) detachNewProgressSelector:(SEL)selector toTarget:(id)target forController:(UINavigationController *)navigation title:(NSString *)title {
8946     [self invokeNewProgress:[NSInvocation invocationWithSelector:selector forTarget:target] forController:navigation withTitle:title];
8947 }
8948
8949 - (void) repairWithInvocation:(NSInvocation *)invocation {
8950     _trace();
8951     [self invokeNewProgress:invocation forController:nil withTitle:@"REPAIRING"];
8952     _trace();
8953 }
8954
8955 - (void) repairWithSelector:(SEL)selector {
8956     [self performSelectorOnMainThread:@selector(repairWithInvocation:) withObject:[NSInvocation invocationWithSelector:selector forTarget:database_] waitUntilDone:YES];
8957 }
8958
8959 - (void) reloadData {
8960     [self reloadDataWithInvocation:nil];
8961     if ([database_ progressDelegate] == nil)
8962         [self _loaded];
8963 }
8964
8965 - (void) syncData {
8966     [self _saveConfig];
8967     [self detachNewProgressSelector:@selector(update_) toTarget:self forController:nil title:@"UPDATING_SOURCES"];
8968 }
8969
8970 - (void) addSource:(NSDictionary *) source {
8971     CydiaAddSource(source);
8972 }
8973
8974 - (void) addSource:(NSString *)href withDistribution:(NSString *)distribution andSections:(NSArray *)sections {
8975     CydiaAddSource(href, distribution, sections);
8976 }
8977
8978 - (void) addTrivialSource:(NSString *)href {
8979     CydiaAddSource(href, @"./");
8980 }
8981
8982 - (void) updateValues {
8983     Changed_ = true;
8984 }
8985
8986 - (void) resolve {
8987     pkgProblemResolver *resolver = [database_ resolver];
8988
8989     resolver->InstallProtect();
8990     if (!resolver->Resolve(true))
8991         _error->Discard();
8992 }
8993
8994 - (bool) perform {
8995     // XXX: this is a really crappy way of doing this.
8996     // like, seriously: this state machine is still broken, and cancelling this here doesn't really /fix/ that.
8997     // for one, the user can still /start/ a reloading data event while they have a queue, which is stupid
8998     // for two, this just means there is a race condition between the refresh completing and the confirmation controller appearing.
8999     if ([tabbar_ updating])
9000         [tabbar_ cancelUpdate];
9001
9002     if (![database_ prepare])
9003         return false;
9004
9005     ConfirmationController *page([[[ConfirmationController alloc] initWithDatabase:database_] autorelease]);
9006     [page setDelegate:self];
9007     UINavigationController *confirm_([[[UINavigationController alloc] initWithRootViewController:page] autorelease]);
9008
9009     if (IsWildcat_)
9010         [confirm_ setModalPresentationStyle:UIModalPresentationFormSheet];
9011     [tabbar_ presentModalViewController:confirm_ animated:YES];
9012
9013     return true;
9014 }
9015
9016 - (void) queue {
9017     @synchronized (self) {
9018         [self perform];
9019     }
9020 }
9021
9022 - (void) clearPackage:(Package *)package {
9023     @synchronized (self) {
9024         [package clear];
9025         [self resolve];
9026         [self perform];
9027     }
9028 }
9029
9030 - (void) installPackages:(NSArray *)packages {
9031     @synchronized (self) {
9032         for (Package *package in packages)
9033             [package install];
9034         [self resolve];
9035         [self perform];
9036     }
9037 }
9038
9039 - (void) installPackage:(Package *)package {
9040     @synchronized (self) {
9041         [package install];
9042         [self resolve];
9043         [self perform];
9044     }
9045 }
9046
9047 - (void) removePackage:(Package *)package {
9048     @synchronized (self) {
9049         [package remove];
9050         [self resolve];
9051         [self perform];
9052     }
9053 }
9054
9055 - (void) distUpgrade {
9056     @synchronized (self) {
9057         if (![database_ upgrade])
9058             return;
9059         [self perform];
9060     }
9061 }
9062
9063 - (void) _uicache {
9064     _trace();
9065     system("su -c /usr/bin/uicache mobile");
9066     _trace();
9067 }
9068
9069 - (void) uicache {
9070     UIProgressHUD *hud([self addProgressHUD]);
9071     [hud setText:UCLocalize("LOADING")];
9072     [self yieldToSelector:@selector(_uicache)];
9073     [self removeProgressHUD:hud];
9074 }
9075
9076 - (void) perform_ {
9077     [database_ perform];
9078     [self performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:YES];
9079     [self performSelectorOnMainThread:@selector(uicache) withObject:nil waitUntilDone:YES];
9080 }
9081
9082 - (void) confirmWithNavigationController:(UINavigationController *)navigation {
9083     Queuing_ = false;
9084     [self lockSuspend];
9085     [self detachNewProgressSelector:@selector(perform_) toTarget:self forController:navigation title:@"RUNNING"];
9086     [self unlockSuspend];
9087 }
9088
9089 - (void) retainNetworkActivityIndicator {
9090     if (activity_++ == 0)
9091         [self setNetworkActivityIndicatorVisible:YES];
9092
9093 #if TraceLogging
9094     NSLog(@"retainNetworkActivityIndicator->%d", activity_);
9095 #endif
9096 }
9097
9098 - (void) releaseNetworkActivityIndicator {
9099     if (--activity_ == 0)
9100         [self setNetworkActivityIndicatorVisible:NO];
9101
9102 #if TraceLogging
9103     NSLog(@"releaseNetworkActivityIndicator->%d", activity_);
9104 #endif
9105
9106 }
9107
9108 - (void) cancelAndClear:(bool)clear {
9109     @synchronized (self) {
9110         if (clear) {
9111             [database_ clear];
9112             Queuing_ = false;
9113         } else {
9114             Queuing_ = true;
9115         }
9116
9117         [self _updateData];
9118     }
9119 }
9120
9121 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
9122     NSString *context([alert context]);
9123
9124     if ([context isEqualToString:@"conffile"]) {
9125         FILE *input = [database_ input];
9126         if (button == [alert cancelButtonIndex])
9127             fprintf(input, "N\n");
9128         else if (button == [alert firstOtherButtonIndex])
9129             fprintf(input, "Y\n");
9130         fflush(input);
9131
9132         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9133     } else if ([context isEqualToString:@"fixhalf"]) {
9134         if (button == [alert cancelButtonIndex]) {
9135             @synchronized (self) {
9136                 for (Package *broken in (id) broken_) {
9137                     [broken remove];
9138
9139                     NSString *id = [broken id];
9140                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.prerm", id] UTF8String]);
9141                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postrm", id] UTF8String]);
9142                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.preinst", id] UTF8String]);
9143                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postinst", id] UTF8String]);
9144                 }
9145
9146                 [self resolve];
9147                 [self perform];
9148             }
9149         } else if (button == [alert firstOtherButtonIndex]) {
9150             [broken_ removeAllObjects];
9151             [self _loaded];
9152         }
9153
9154         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9155     } else if ([context isEqualToString:@"upgrade"]) {
9156         if (button == [alert firstOtherButtonIndex]) {
9157             @synchronized (self) {
9158                 for (Package *essential in (id) essential_)
9159                     [essential install];
9160
9161                 [self resolve];
9162                 [self perform];
9163             }
9164         } else if (button == [alert firstOtherButtonIndex] + 1) {
9165             [self distUpgrade];
9166         } else if (button == [alert cancelButtonIndex]) {
9167             Ignored_ = YES;
9168         }
9169
9170         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9171     }
9172 }
9173
9174 - (void) system:(NSString *)command {
9175     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
9176
9177     _trace();
9178     system([command UTF8String]);
9179     _trace();
9180
9181     [pool release];
9182 }
9183
9184 - (void) applicationWillSuspend {
9185     [database_ clean];
9186     [super applicationWillSuspend];
9187 }
9188
9189 - (BOOL) isSafeToSuspend {
9190     if (locked_ != 0) {
9191 #if !ForRelease
9192         NSLog(@"isSafeToSuspend: locked_ != 0");
9193 #endif
9194         return false;
9195     }
9196
9197     // Use external process status API internally.
9198     // This is probably a really bad idea.
9199     // XXX: what is the point of this? does this solve anything at all?
9200     uint64_t status = 0;
9201     int notify_token;
9202     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
9203         notify_get_state(notify_token, &status);
9204         notify_cancel(notify_token);
9205     }
9206
9207     if (status != 0) {
9208 #if !ForRelease
9209         NSLog(@"isSafeToSuspend: status != 0");
9210 #endif
9211         return false;
9212     }
9213
9214 #if !ForRelease
9215     NSLog(@"isSafeToSuspend: -> true");
9216 #endif
9217     return true;
9218 }
9219
9220 - (void) applicationSuspend:(__GSEvent *)event {
9221     if ([self isSafeToSuspend])
9222         [super applicationSuspend:event];
9223 }
9224
9225 - (void) _animateSuspension:(BOOL)arg0 duration:(double)arg1 startTime:(double)arg2 scale:(float)arg3 {
9226     if ([self isSafeToSuspend])
9227         [super _animateSuspension:arg0 duration:arg1 startTime:arg2 scale:arg3];
9228 }
9229
9230 - (void) _setSuspended:(BOOL)value {
9231     if ([self isSafeToSuspend])
9232         [super _setSuspended:value];
9233 }
9234
9235 - (UIProgressHUD *) addProgressHUD {
9236     UIProgressHUD *hud([[[UIProgressHUD alloc] init] autorelease]);
9237     [hud setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
9238
9239     [window_ setUserInteractionEnabled:NO];
9240
9241     UIViewController *target(tabbar_);
9242     if (UIViewController *modal = [target modalViewController])
9243         target = modal;
9244
9245     [hud showInView:[target view]];
9246
9247     [self lockSuspend];
9248     return hud;
9249 }
9250
9251 - (void) removeProgressHUD:(UIProgressHUD *)hud {
9252     [self unlockSuspend];
9253     [hud hide];
9254     [hud removeFromSuperview];
9255     [window_ setUserInteractionEnabled:YES];
9256 }
9257
9258 - (CyteViewController *) pageForPackage:(NSString *)name withReferrer:(NSString *)referrer {
9259     return [[[CYPackageController alloc] initWithDatabase:database_ forPackage:name withReferrer:referrer] autorelease];
9260 }
9261
9262 - (CyteViewController *) pageForURL:(NSURL *)url forExternal:(BOOL)external withReferrer:(NSString *)referrer {
9263     NSString *scheme([[url scheme] lowercaseString]);
9264     if ([[url absoluteString] length] <= [scheme length] + 3)
9265         return nil;
9266     NSString *path([[url absoluteString] substringFromIndex:[scheme length] + 3]);
9267     NSArray *components([path componentsSeparatedByString:@"/"]);
9268
9269     if ([scheme isEqualToString:@"apptapp"] && [components count] > 0 && [[components objectAtIndex:0] isEqualToString:@"package"]) {
9270         CyteViewController *controller([self pageForPackage:[components objectAtIndex:1] withReferrer:referrer]);
9271         if (controller != nil)
9272             [controller setDelegate:self];
9273         return controller;
9274     }
9275
9276     if ([components count] < 1 || ![scheme isEqualToString:@"cydia"])
9277         return nil;
9278
9279     NSString *base([components objectAtIndex:0]);
9280
9281     CyteViewController *controller = nil;
9282
9283     if ([base isEqualToString:@"url"]) {
9284         // This kind of URL can contain slashes in the argument, so we can't parse them below.
9285         NSString *destination = [[url absoluteString] substringFromIndex:([scheme length] + [@"://" length] + [base length] + [@"/" length])];
9286         controller = [[[CydiaWebViewController alloc] initWithURL:[NSURL URLWithString:destination]] autorelease];
9287     } else if (!external && [components count] == 1) {
9288         if ([base isEqualToString:@"sources"]) {
9289             controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9290         }
9291
9292         if ([base isEqualToString:@"home"]) {
9293             controller = [[[HomeController alloc] init] autorelease];
9294         }
9295
9296         if ([base isEqualToString:@"sections"]) {
9297             controller = [[[SectionsController alloc] initWithDatabase:database_ source:nil] autorelease];
9298         }
9299
9300         if ([base isEqualToString:@"search"]) {
9301             controller = [[[SearchController alloc] initWithDatabase:database_ query:nil] autorelease];
9302         }
9303
9304         if ([base isEqualToString:@"changes"]) {
9305             controller = [[[ChangesController alloc] initWithDatabase:database_] autorelease];
9306         }
9307
9308         if ([base isEqualToString:@"installed"]) {
9309             controller = [[[InstalledController alloc] initWithDatabase:database_] autorelease];
9310         }
9311     } else if ([components count] == 2) {
9312         NSString *argument = [[components objectAtIndex:1] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
9313
9314         if ([base isEqualToString:@"package"]) {
9315             controller = [self pageForPackage:argument withReferrer:referrer];
9316         }
9317
9318         if (!external && [base isEqualToString:@"search"]) {
9319             controller = [[[SearchController alloc] initWithDatabase:database_ query:argument] autorelease];
9320         }
9321
9322         if (!external && [base isEqualToString:@"sections"]) {
9323             if ([argument isEqualToString:@"all"] || [argument isEqualToString:@"*"])
9324                 argument = nil;
9325             controller = [[[SectionController alloc] initWithDatabase:database_ source:nil section:argument] autorelease];
9326         }
9327
9328         if (!external && [base isEqualToString:@"sources"]) {
9329             if ([argument isEqualToString:@"add"]) {
9330                 controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9331                 [(SourcesController *)controller showAddSourcePrompt];
9332             } else {
9333                 Source *source([database_ sourceWithKey:argument]);
9334                 controller = [[[SectionsController alloc] initWithDatabase:database_ source:source] autorelease];
9335             }
9336         }
9337
9338         if (!external && [base isEqualToString:@"launch"]) {
9339             [self launchApplicationWithIdentifier:argument suspended:NO];
9340             return nil;
9341         }
9342     } else if (!external && [components count] == 3) {
9343         NSString *arg1 = [[components objectAtIndex:1] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
9344         NSString *arg2 = [[components objectAtIndex:2] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
9345
9346         if ([base isEqualToString:@"package"]) {
9347             if ([arg2 isEqualToString:@"settings"]) {
9348                 controller = [[[PackageSettingsController alloc] initWithDatabase:database_ package:arg1] autorelease];
9349             } else if ([arg2 isEqualToString:@"files"]) {
9350                 if (Package *package = [database_ packageWithName:arg1]) {
9351                     controller = [[[FileTable alloc] initWithDatabase:database_] autorelease];
9352                     [(FileTable *)controller setPackage:package];
9353                 }
9354             }
9355         }
9356
9357         if ([base isEqualToString:@"sections"]) {
9358             Source *source([arg1 isEqualToString:@"*"] ? nil : [database_ sourceWithKey:arg1]);
9359             NSString *section([arg2 isEqualToString:@"*"] ? nil : arg2);
9360             controller = [[[SectionController alloc] initWithDatabase:database_ source:source section:section] autorelease];
9361         }
9362     }
9363
9364     [controller setDelegate:self];
9365     return controller;
9366 }
9367
9368 - (BOOL) openCydiaURL:(NSURL *)url forExternal:(BOOL)external {
9369     CyteViewController *page([self pageForURL:url forExternal:external withReferrer:nil]);
9370
9371     if (page != nil)
9372         [tabbar_ setUnselectedViewController:page];
9373
9374     return page != nil;
9375 }
9376
9377 - (void) applicationOpenURL:(NSURL *)url {
9378     [super applicationOpenURL:url];
9379
9380     if (!loaded_)
9381         starturl_ = url;
9382     else
9383         [self openCydiaURL:url forExternal:YES];
9384 }
9385
9386 - (void) applicationWillResignActive:(UIApplication *)application {
9387     // Stop refreshing if you get a phone call or lock the device.
9388     if ([tabbar_ updating])
9389         [tabbar_ cancelUpdate];
9390
9391     if ([[self superclass] instancesRespondToSelector:@selector(applicationWillResignActive:)])
9392         [super applicationWillResignActive:application];
9393 }
9394
9395 - (void) saveState {
9396     [Metadata_ setObject:[tabbar_ navigationURLCollection] forKey:@"InterfaceState"];
9397     [Metadata_ setObject:[NSDate date] forKey:@"LastClosed"];
9398     [Metadata_ setObject:[NSNumber numberWithInt:[tabbar_ selectedIndex]] forKey:@"InterfaceIndex"];
9399     Changed_ = true;
9400
9401     [self _saveConfig];
9402 }
9403
9404 - (void) applicationWillTerminate:(UIApplication *)application {
9405     [self saveState];
9406 }
9407
9408 - (void) setConfigurationData:(NSString *)data {
9409     static Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
9410
9411     if (!conffile_r(data)) {
9412         lprintf("E:invalid conffile\n");
9413         return;
9414     }
9415
9416     NSString *ofile = conffile_r[1];
9417     //NSString *nfile = conffile_r[2];
9418
9419     UIAlertView *alert = [[[UIAlertView alloc]
9420         initWithTitle:UCLocalize("CONFIGURATION_UPGRADE")
9421         message:[NSString stringWithFormat:@"%@\n\n%@", UCLocalize("CONFIGURATION_UPGRADE_EX"), ofile]
9422         delegate:self
9423         cancelButtonTitle:UCLocalize("KEEP_OLD_COPY")
9424         otherButtonTitles:
9425             UCLocalize("ACCEPT_NEW_COPY"),
9426             // XXX: UCLocalize("SEE_WHAT_CHANGED"),
9427         nil
9428     ] autorelease];
9429
9430     [alert setContext:@"conffile"];
9431     [alert setNumberOfRows:2];
9432     [alert show];
9433 }
9434
9435 - (void) addStashController {
9436     [self lockSuspend];
9437     stash_ = [[[StashController alloc] init] autorelease];
9438     [window_ addSubview:[stash_ view]];
9439 }
9440
9441 - (void) removeStashController {
9442     [[stash_ view] removeFromSuperview];
9443     stash_ = nil;
9444     [self unlockSuspend];
9445 }
9446
9447 - (void) stash {
9448     [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];
9449     UpdateExternalStatus(1);
9450     [self yieldToSelector:@selector(system:) withObject:@"/usr/libexec/cydia/free.sh"];
9451     UpdateExternalStatus(0);
9452
9453     [self removeStashController];
9454
9455     pid_t pid(ExecFork());
9456     if (pid == 0) {
9457         execlp("launchctl", "launchctl", "stop", "com.apple.SpringBoard", NULL);
9458         perror("launchctl stop");
9459
9460         exit(0);
9461     } ReapZombie(pid);
9462 }
9463
9464 - (void) setupViewControllers {
9465     tabbar_ = [[[CydiaTabBarController alloc] initWithDatabase:database_] autorelease];
9466
9467     NSMutableArray *items;
9468     if (kCFCoreFoundationVersionNumber < 800) {
9469         items = [NSMutableArray arrayWithObjects:
9470             [[[UITabBarItem alloc] initWithTitle:@"Cydia" image:[UIImage applicationImageNamed:@"home.png"] tag:0] autorelease],
9471             [[[UITabBarItem alloc] initWithTitle:UCLocalize("SOURCES") image:[UIImage applicationImageNamed:@"install.png"] tag:0] autorelease],
9472             [[[UITabBarItem alloc] initWithTitle:UCLocalize("CHANGES") image:[UIImage applicationImageNamed:@"changes.png"] tag:0] autorelease],
9473             [[[UITabBarItem alloc] initWithTitle:UCLocalize("INSTALLED") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease],
9474             [[[UITabBarItem alloc] initWithTitle:UCLocalize("SEARCH") image:[UIImage applicationImageNamed:@"search.png"] tag:0] autorelease],
9475         nil];
9476     } else {
9477         items = [NSMutableArray arrayWithObjects:
9478             [[[UITabBarItem alloc] initWithTitle:@"Cydia" image:[UIImage applicationImageNamed:@"home7.png"] selectedImage:[UIImage applicationImageNamed:@"home7s.png"]] autorelease],
9479             [[[UITabBarItem alloc] initWithTitle:UCLocalize("SOURCES") image:[UIImage applicationImageNamed:@"install7.png"] selectedImage:[UIImage applicationImageNamed:@"install7s.png"]] autorelease],
9480             [[[UITabBarItem alloc] initWithTitle:UCLocalize("CHANGES") image:[UIImage applicationImageNamed:@"changes7.png"] selectedImage:[UIImage applicationImageNamed:@"changes7s.png"]] autorelease],
9481             [[[UITabBarItem alloc] initWithTitle:UCLocalize("INSTALLED") image:[UIImage applicationImageNamed:@"manage7.png"] selectedImage:[UIImage applicationImageNamed:@"manage7s.png"]] autorelease],
9482             [[[UITabBarItem alloc] initWithTitle:UCLocalize("SEARCH") image:[UIImage applicationImageNamed:@"search7.png"] selectedImage:[UIImage applicationImageNamed:@"search7s.png"]] autorelease],
9483         nil];
9484     }
9485
9486     NSMutableArray *controllers([NSMutableArray array]);
9487     for (UITabBarItem *item in items) {
9488         UINavigationController *controller([[[UINavigationController alloc] init] autorelease]);
9489         [controller setTabBarItem:item];
9490         [controllers addObject:controller];
9491     }
9492     [tabbar_ setViewControllers:controllers];
9493
9494     [tabbar_ setUpdateDelegate:self];
9495 }
9496
9497 - (void) _sendMemoryWarningNotification {
9498     if (kCFCoreFoundationVersionNumber < kCFCoreFoundationVersionNumber_iPhoneOS_3_0) // XXX: maybe 4_0?
9499         [[NSNotificationCenter defaultCenter] postNotificationName:@"UIApplicationMemoryWarningNotification" object:[UIApplication sharedApplication]];
9500     else
9501         [[NSNotificationCenter defaultCenter] postNotificationName:@"UIApplicationDidReceiveMemoryWarningNotification" object:[UIApplication sharedApplication]];
9502 }
9503
9504 - (void) _sendMemoryWarningNotifications {
9505     while (true) {
9506         [self performSelectorOnMainThread:@selector(_sendMemoryWarningNotification) withObject:nil waitUntilDone:NO];
9507         sleep(2);
9508         //usleep(2000000);
9509     }
9510 }
9511
9512 - (void) applicationDidReceiveMemoryWarning:(UIApplication *)application {
9513     NSLog(@"--");
9514     [[NSURLCache sharedURLCache] removeAllCachedResponses];
9515 }
9516
9517 - (void) applicationDidFinishLaunching:(id)unused {
9518     //[NSThread detachNewThreadSelector:@selector(_sendMemoryWarningNotifications) toTarget:self withObject:nil];
9519
9520 _trace();
9521     if ([self respondsToSelector:@selector(setApplicationSupportsShakeToEdit:)])
9522         [self setApplicationSupportsShakeToEdit:NO];
9523
9524     @synchronized (HostConfig_) {
9525         [BridgedHosts_ addObject:[[NSURL URLWithString:CydiaURL(@"")] host]];
9526     }
9527
9528     [NSURLCache setSharedURLCache:[[[CYURLCache alloc]
9529         initWithMemoryCapacity:524288
9530         diskCapacity:10485760
9531         diskPath:[NSString stringWithFormat:@"%@/SDURLCache", Cache_]
9532     ] autorelease]];
9533
9534     [CydiaWebViewController _initialize];
9535
9536     [NSURLProtocol registerClass:[CydiaURLProtocol class]];
9537
9538     // this would disallow http{,s} URLs from accessing this data
9539     //[WebView registerURLSchemeAsLocal:@"cydia"];
9540
9541     Font12_ = [UIFont systemFontOfSize:12];
9542     Font12Bold_ = [UIFont boldSystemFontOfSize:12];
9543     Font14_ = [UIFont systemFontOfSize:14];
9544     Font18_ = [UIFont systemFontOfSize:18];
9545     Font18Bold_ = [UIFont boldSystemFontOfSize:18];
9546     Font22Bold_ = [UIFont boldSystemFontOfSize:22];
9547
9548     essential_ = [NSMutableArray arrayWithCapacity:4];
9549     broken_ = [NSMutableArray arrayWithCapacity:4];
9550
9551     // XXX: I really need this thing... like, seriously... I'm sorry
9552     [[[AppCacheController alloc] initWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/appcache/", UI_]]] reloadData];
9553
9554     window_ = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];
9555     [window_ orderFront:self];
9556     [window_ makeKey:self];
9557     [window_ setHidden:NO];
9558
9559     if (false) stash: {
9560         [self addStashController];
9561         // XXX: this would be much cleaner as a yieldToSelector:
9562         // that way the removeStashController could happen right here inline
9563         // we also could no longer require the useless stash_ field anymore
9564         [self performSelector:@selector(stash) withObject:nil afterDelay:0];
9565         return;
9566     }
9567
9568     struct stat root;
9569     int error(stat("/", &root));
9570     _assert(error != -1);
9571
9572     #define Stash_(path) do { \
9573         struct stat folder; \
9574         int error(lstat((path), &folder)); \
9575         if (error != -1 && ( \
9576             folder.st_dev == root.st_dev && \
9577             S_ISDIR(folder.st_mode) \
9578         ) || error == -1 && ( \
9579             errno == ENOENT || \
9580             errno == ENOTDIR \
9581         )) goto stash; \
9582     } while (false)
9583
9584     Stash_("/Applications");
9585     Stash_("/Library/Ringtones");
9586     Stash_("/Library/Wallpaper");
9587     //Stash_("/usr/bin");
9588     Stash_("/usr/include");
9589     Stash_("/usr/lib/pam");
9590     Stash_("/usr/share");
9591     //Stash_("/var/lib");
9592
9593     database_ = [Database sharedInstance];
9594     [database_ setDelegate:self];
9595
9596     [window_ setUserInteractionEnabled:NO];
9597     [self setupViewControllers];
9598
9599     emulated_ = [[[CydiaLoadingViewController alloc] init] autorelease];
9600     [window_ addSubview:[emulated_ view]];
9601     if ([window_ respondsToSelector:@selector(setRootViewController:)])
9602         [window_ setRootViewController:emulated_];
9603
9604     [self performSelector:@selector(loadData) withObject:nil afterDelay:0];
9605 _trace();
9606 }
9607
9608 - (NSArray *) defaultStartPages {
9609     NSMutableArray *standard = [NSMutableArray array];
9610     [standard addObject:[NSArray arrayWithObject:@"cydia://home"]];
9611     [standard addObject:[NSArray arrayWithObject:@"cydia://sources"]];
9612     [standard addObject:[NSArray arrayWithObject:@"cydia://changes"]];
9613     [standard addObject:[NSArray arrayWithObject:@"cydia://installed"]];
9614     [standard addObject:[NSArray arrayWithObject:@"cydia://search"]];
9615     return standard;
9616 }
9617
9618 - (void) loadData {
9619 _trace();
9620     if ([emulated_ modalViewController] != nil)
9621         [emulated_ dismissModalViewControllerAnimated:YES];
9622     [window_ setUserInteractionEnabled:NO];
9623
9624     [self reloadDataWithInvocation:nil];
9625     [self refreshIfPossible];
9626     PrintTimes();
9627
9628     [self disemulate];
9629
9630     int savedIndex = [[Metadata_ objectForKey:@"InterfaceIndex"] intValue];
9631     NSArray *saved = [[[Metadata_ objectForKey:@"InterfaceState"] mutableCopy] autorelease];
9632     int standardIndex = 0;
9633     NSArray *standard = [self defaultStartPages];
9634
9635     BOOL valid = YES;
9636
9637     if (saved == nil)
9638         valid = NO;
9639
9640     NSDate *closed = [Metadata_ objectForKey:@"LastClosed"];
9641     if (valid && closed != nil) {
9642         NSTimeInterval interval([closed timeIntervalSinceNow]);
9643         // XXX: Is 30 minutes the optimal time here?
9644         if (interval <= -(30*60))
9645             valid = NO;
9646     }
9647
9648     if (valid && [saved count] != [standard count])
9649         valid = NO;
9650
9651     if (valid) {
9652         for (unsigned int i = 0; i < [standard count]; i++) {
9653             NSArray *std = [standard objectAtIndex:i], *sav = [saved objectAtIndex:i];
9654             // XXX: The "hasPrefix" sanity check here could be, in theory, fooled,
9655             //      but it's good enough for now.
9656             if ([sav count] == 0 || ![[sav objectAtIndex:0] hasPrefix:[std objectAtIndex:0]]) {
9657                 valid = NO;
9658                 break;
9659             }
9660         }
9661     }
9662
9663     NSArray *items = nil;
9664     if (valid) {
9665         [tabbar_ setSelectedIndex:savedIndex];
9666         items = saved;
9667     } else {
9668         [tabbar_ setSelectedIndex:standardIndex];
9669         items = standard;
9670     }
9671
9672     for (unsigned int tab = 0; tab < [[tabbar_ viewControllers] count]; tab++) {
9673         NSArray *stack = [items objectAtIndex:tab];
9674         UINavigationController *navigation = [[tabbar_ viewControllers] objectAtIndex:tab];
9675         NSMutableArray *current = [NSMutableArray array];
9676
9677         for (unsigned int nav = 0; nav < [stack count]; nav++) {
9678             NSString *addr = [stack objectAtIndex:nav];
9679             NSURL *url = [NSURL URLWithString:addr];
9680             CyteViewController *page = [self pageForURL:url forExternal:NO withReferrer:nil];
9681             if (page != nil)
9682                 [current addObject:page];
9683         }
9684
9685         [navigation setViewControllers:current];
9686     }
9687
9688     // (Try to) show the startup URL.
9689     if (starturl_ != nil) {
9690         [self openCydiaURL:starturl_ forExternal:NO];
9691         starturl_ = nil;
9692     }
9693 }
9694
9695 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item {
9696     if (item != nil && IsWildcat_) {
9697         [sheet showFromBarButtonItem:item animated:YES];
9698     } else {
9699         [sheet showInView:window_];
9700     }
9701 }
9702
9703 - (void) addProgressEvent:(CydiaProgressEvent *)event forTask:(NSString *)task {
9704     id<ProgressDelegate> progress([database_ progressDelegate] ?: [self invokeNewProgress:nil forController:nil withTitle:task]);
9705     [progress setTitle:task];
9706     [progress addProgressEvent:event];
9707 }
9708
9709 - (void) addProgressEventForTask:(NSArray *)data {
9710     CydiaProgressEvent *event([data objectAtIndex:0]);
9711     NSString *task([data count] < 2 ? nil : [data objectAtIndex:1]);
9712     [self addProgressEvent:event forTask:task];
9713 }
9714
9715 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task {
9716     [self performSelectorOnMainThread:@selector(addProgressEventForTask:) withObject:[NSArray arrayWithObjects:event, task, nil] waitUntilDone:YES];
9717 }
9718
9719 @end
9720
9721 /*IMP alloc_;
9722 id Alloc_(id self, SEL selector) {
9723     id object = alloc_(self, selector);
9724     lprintf("[%s]A-%p\n", self->isa->name, object);
9725     return object;
9726 }*/
9727
9728 /*IMP dealloc_;
9729 id Dealloc_(id self, SEL selector) {
9730     id object = dealloc_(self, selector);
9731     lprintf("[%s]D-%p\n", self->isa->name, object);
9732     return object;
9733 }*/
9734
9735 static NSSet *MobilizedFiles_;
9736
9737 static NSURL *MobilizeURL(NSURL *url) {
9738     NSString *path([url path]);
9739     if ([path hasPrefix:@"/var/root/"]) {
9740         NSString *file([path substringFromIndex:10]);
9741         if ([MobilizedFiles_ containsObject:file])
9742             url = [NSURL fileURLWithPath:[@"/var/mobile/" stringByAppendingString:file] isDirectory:NO];
9743     }
9744
9745     return url;
9746 }
9747
9748 Class $CFXPreferencesPropertyListSource;
9749 @class CFXPreferencesPropertyListSource;
9750
9751 MSHook(BOOL, CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync, CFXPreferencesPropertyListSource *self, SEL _cmd) {
9752     NSURL *&url(MSHookIvar<NSURL *>(self, "_url")), *old(url);
9753     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
9754     url = MobilizeURL(url);
9755     BOOL value(_CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync(self, _cmd));
9756     //NSLog(@"%@ %s", [url absoluteString], value ? "YES" : "NO");
9757     url = old;
9758     [pool release];
9759     return value;
9760 }
9761
9762 MSHook(void *, CFXPreferencesPropertyListSource$createPlistFromDisk, CFXPreferencesPropertyListSource *self, SEL _cmd) {
9763     NSURL *&url(MSHookIvar<NSURL *>(self, "_url")), *old(url);
9764     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
9765     url = MobilizeURL(url);
9766     void *value(_CFXPreferencesPropertyListSource$createPlistFromDisk(self, _cmd));
9767     //NSLog(@"%@ %@", [url absoluteString], value);
9768     url = old;
9769     [pool release];
9770     return value;
9771 }
9772
9773 Class $NSURLConnection;
9774
9775 MSHook(id, NSURLConnection$init$, NSURLConnection *self, SEL _cmd, NSURLRequest *request, id delegate, BOOL usesCache, int64_t maxContentLength, BOOL startImmediately, NSDictionary *connectionProperties) {
9776     NSMutableURLRequest *copy([[request mutableCopy] autorelease]);
9777
9778     NSURL *url([copy URL]);
9779
9780     NSString *host([url host]);
9781     NSString *scheme([[url scheme] lowercaseString]);
9782
9783     NSString *compound([NSString stringWithFormat:@"%@:%@", scheme, host]);
9784
9785     @synchronized (HostConfig_) {
9786         if ([copy respondsToSelector:@selector(setHTTPShouldUsePipelining:)])
9787             if ([PipelinedHosts_ containsObject:host] || [PipelinedHosts_ containsObject:compound])
9788                 [copy setHTTPShouldUsePipelining:YES];
9789
9790         if (NSString *control = [copy valueForHTTPHeaderField:@"Cache-Control"])
9791             if ([control isEqualToString:@"max-age=0"])
9792                 if ([CachedURLs_ containsObject:url]) {
9793 #if !ForRelease
9794                     NSLog(@"~~~: %@", url);
9795 #endif
9796
9797                     [copy setCachePolicy:NSURLRequestReturnCacheDataDontLoad];
9798
9799                     [copy setValue:nil forHTTPHeaderField:@"Cache-Control"];
9800                     [copy setValue:nil forHTTPHeaderField:@"If-Modified-Since"];
9801                     [copy setValue:nil forHTTPHeaderField:@"If-None-Match"];
9802                 }
9803     }
9804
9805     if ((self = _NSURLConnection$init$(self, _cmd, copy, delegate, usesCache, maxContentLength, startImmediately, connectionProperties)) != nil) {
9806     } return self;
9807 }
9808
9809 Class $WAKWindow;
9810
9811 static CGSize $WAKWindow$screenSize(WAKWindow *self, SEL _cmd) {
9812     CGSize size([[UIScreen mainScreen] bounds].size);
9813     /*if ([$WAKWindow respondsToSelector:@selector(hasLandscapeOrientation)])
9814         if ([$WAKWindow hasLandscapeOrientation])
9815             std::swap(size.width, size.height);*/
9816     return size;
9817 }
9818
9819 Class $NSUserDefaults;
9820
9821 MSHook(id, NSUserDefaults$objectForKey$, NSUserDefaults *self, SEL _cmd, NSString *key) {
9822     if ([key respondsToSelector:@selector(isEqualToString:)] && [key isEqualToString:@"WebKitLocalStorageDatabasePathPreferenceKey"])
9823         return [NSString stringWithFormat:@"%@/LocalStorage", Cache_];
9824     return _NSUserDefaults$objectForKey$(self, _cmd, key);
9825 }
9826
9827 int main(int argc, char *argv[]) {
9828     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
9829
9830     _trace();
9831
9832     UpdateExternalStatus(0);
9833
9834     UIScreen *screen([UIScreen mainScreen]);
9835     if ([screen respondsToSelector:@selector(scale)])
9836         ScreenScale_ = [screen scale];
9837     else
9838         ScreenScale_ = 1;
9839
9840     UIDevice *device([UIDevice currentDevice]);
9841     if ([device respondsToSelector:@selector(userInterfaceIdiom)]) {
9842         UIUserInterfaceIdiom idiom([device userInterfaceIdiom]);
9843         if (idiom == UIUserInterfaceIdiomPad)
9844             IsWildcat_ = true;
9845     }
9846
9847     Idiom_ = IsWildcat_ ? @"ipad" : @"iphone";
9848
9849     Pcre pattern("^([0-9]+\\.[0-9]+)");
9850
9851     if (pattern([device systemVersion]))
9852         Firmware_ = pattern[1];
9853     if (pattern(Cydia_))
9854         Major_ = pattern[1];
9855
9856     SessionData_ = [NSMutableDictionary dictionaryWithCapacity:4];
9857
9858     HostConfig_ = [[[NSObject alloc] init] autorelease];
9859     @synchronized (HostConfig_) {
9860         BridgedHosts_ = [NSMutableSet setWithCapacity:4];
9861         TokenHosts_ = [NSMutableSet setWithCapacity:4];
9862         InsecureHosts_ = [NSMutableSet setWithCapacity:4];
9863         PipelinedHosts_ = [NSMutableSet setWithCapacity:4];
9864         CachedURLs_ = [NSMutableSet setWithCapacity:32];
9865     }
9866
9867     NSString *ui(@"ui/ios");
9868     if (Idiom_ != nil)
9869         ui = [ui stringByAppendingString:[NSString stringWithFormat:@"~%@", Idiom_]];
9870     ui = [ui stringByAppendingString:[NSString stringWithFormat:@"/%@", Major_]];
9871     UI_ = CydiaURL(ui);
9872
9873     PackageName = reinterpret_cast<CYString &(*)(Package *, SEL)>(method_getImplementation(class_getInstanceMethod([Package class], @selector(cyname))));
9874
9875     MobilizedFiles_ = [NSMutableSet setWithObjects:
9876         @"Library/Preferences/com.apple.Accessibility.plist",
9877         @"Library/Preferences/com.apple.preferences.sounds.plist",
9878     nil];
9879
9880     /* Library Hacks {{{ */
9881     class_addMethod(objc_getClass("DOMNodeList"), @selector(countByEnumeratingWithState:objects:count:), (IMP) &DOMNodeList$countByEnumeratingWithState$objects$count$, "I20@0:4^{NSFastEnumerationState}8^@12I16");
9882
9883     $WAKWindow = objc_getClass("WAKWindow");
9884     if ($WAKWindow != NULL)
9885         if (Method method = class_getInstanceMethod($WAKWindow, @selector(screenSize)))
9886             method_setImplementation(method, (IMP) &$WAKWindow$screenSize);
9887
9888     $CFXPreferencesPropertyListSource = objc_getClass("CFXPreferencesPropertyListSource");
9889
9890     Method CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync(class_getInstanceMethod($CFXPreferencesPropertyListSource, @selector(_backingPlistChangedSinceLastSync)));
9891     if (CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync != NULL) {
9892         _CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync = reinterpret_cast<BOOL (*)(CFXPreferencesPropertyListSource *, SEL)>(method_getImplementation(CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync));
9893         method_setImplementation(CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync, reinterpret_cast<IMP>(&$CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync));
9894     }
9895
9896     Method CFXPreferencesPropertyListSource$createPlistFromDisk(class_getInstanceMethod($CFXPreferencesPropertyListSource, @selector(createPlistFromDisk)));
9897     if (CFXPreferencesPropertyListSource$createPlistFromDisk != NULL) {
9898         _CFXPreferencesPropertyListSource$createPlistFromDisk = reinterpret_cast<void *(*)(CFXPreferencesPropertyListSource *, SEL)>(method_getImplementation(CFXPreferencesPropertyListSource$createPlistFromDisk));
9899         method_setImplementation(CFXPreferencesPropertyListSource$createPlistFromDisk, reinterpret_cast<IMP>(&$CFXPreferencesPropertyListSource$createPlistFromDisk));
9900     }
9901
9902     $NSURLConnection = objc_getClass("NSURLConnection");
9903     Method NSURLConnection$init$(class_getInstanceMethod($NSURLConnection, @selector(_initWithRequest:delegate:usesCache:maxContentLength:startImmediately:connectionProperties:)));
9904     if (NSURLConnection$init$ != NULL) {
9905         _NSURLConnection$init$ = reinterpret_cast<id (*)(NSURLConnection *, SEL, NSURLRequest *, id, BOOL, int64_t, BOOL, NSDictionary *)>(method_getImplementation(NSURLConnection$init$));
9906         method_setImplementation(NSURLConnection$init$, reinterpret_cast<IMP>(&$NSURLConnection$init$));
9907     }
9908
9909     $NSUserDefaults = objc_getClass("NSUserDefaults");
9910     Method NSUserDefaults$objectForKey$(class_getInstanceMethod($NSUserDefaults, @selector(objectForKey:)));
9911     if (NSUserDefaults$objectForKey$ != NULL) {
9912         _NSUserDefaults$objectForKey$ = reinterpret_cast<id (*)(NSUserDefaults *, SEL, NSString *)>(method_getImplementation(NSUserDefaults$objectForKey$));
9913         method_setImplementation(NSUserDefaults$objectForKey$, reinterpret_cast<IMP>(&$NSUserDefaults$objectForKey$));
9914     }
9915     /* }}} */
9916     /* Set Locale {{{ */
9917     Locale_ = CFLocaleCopyCurrent();
9918     Languages_ = [NSLocale preferredLanguages];
9919
9920     //CFStringRef locale(CFLocaleGetIdentifier(Locale_));
9921     //NSLog(@"%@", [Languages_ description]);
9922
9923     const char *lang;
9924     if (Locale_ != NULL)
9925         lang = [(NSString *) CFLocaleGetIdentifier(Locale_) UTF8String];
9926     else if (Languages_ != nil && [Languages_ count] != 0)
9927         lang = [[Languages_ objectAtIndex:0] UTF8String];
9928     else
9929         // XXX: consider just setting to C and then falling through?
9930         lang = NULL;
9931
9932     if (lang != NULL) {
9933         Pcre pattern("^([a-z][a-z])(?:-[A-Za-z]*)?(_[A-Z][A-Z])?$");
9934         lang = !pattern(lang) ? NULL : [pattern->*@"%1$@%2$@" UTF8String];
9935     }
9936
9937     NSLog(@"Setting Language: %s", lang);
9938
9939     if (lang != NULL) {
9940         setenv("LANG", lang, true);
9941         std::setlocale(LC_ALL, lang);
9942     }
9943     /* }}} */
9944
9945     apr_app_initialize(&argc, const_cast<const char * const **>(&argv), NULL);
9946
9947     /* Parse Arguments {{{ */
9948     bool substrate(false);
9949
9950     if (argc != 0) {
9951         char **args(argv);
9952         int arge(1);
9953
9954         for (int argi(1); argi != argc; ++argi)
9955             if (strcmp(argv[argi], "--") == 0) {
9956                 arge = argi;
9957                 argv[argi] = argv[0];
9958                 argv += argi;
9959                 argc -= argi;
9960                 break;
9961             }
9962
9963         for (int argi(1); argi != arge; ++argi)
9964             if (strcmp(args[argi], "--substrate") == 0)
9965                 substrate = true;
9966             else
9967                 fprintf(stderr, "unknown argument: %s\n", args[argi]);
9968     }
9969     /* }}} */
9970
9971     App_ = [[NSBundle mainBundle] bundlePath];
9972     Advanced_ = YES;
9973
9974     setuid(0);
9975     setgid(0);
9976
9977     if (access("/var/mobile/Library/Keyboard/UserDictionary.sqlite", F_OK) == 0)
9978         system("mkdir -p /var/root/Library/Keyboard; cp -af /var/mobile/Library/Keyboard/UserDictionary.sqlite /var/root/Library/Keyboard/");
9979
9980     Cache_ = [[NSString stringWithFormat:@"%@/Library/Caches/com.saurik.Cydia", @"/var/root"] retain];
9981
9982     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
9983     alloc_ = alloc->method_imp;
9984     alloc->method_imp = (IMP) &Alloc_;*/
9985
9986     /*Method dealloc = class_getClassMethod([NSObject class], @selector(dealloc));
9987     dealloc_ = dealloc->method_imp;
9988     dealloc->method_imp = (IMP) &Dealloc_;*/
9989
9990     void *gestalt(dlopen("/usr/lib/libMobileGestalt.dylib", RTLD_GLOBAL | RTLD_LAZY));
9991     $MGCopyAnswer = reinterpret_cast<CFStringRef (*)(CFStringRef)>(dlsym(gestalt, "MGCopyAnswer"));
9992
9993     /* System Information {{{ */
9994     size_t size;
9995
9996     int maxproc;
9997     size = sizeof(maxproc);
9998     if (sysctlbyname("kern.maxproc", &maxproc, &size, NULL, 0) == -1)
9999         perror("sysctlbyname(\"kern.maxproc\", ?)");
10000     else if (maxproc < 64) {
10001         maxproc = 64;
10002         if (sysctlbyname("kern.maxproc", NULL, NULL, &maxproc, sizeof(maxproc)) == -1)
10003             perror("sysctlbyname(\"kern.maxproc\", #)");
10004     }
10005
10006     sysctlbyname("kern.osversion", NULL, &size, NULL, 0);
10007     char *osversion = new char[size];
10008     if (sysctlbyname("kern.osversion", osversion, &size, NULL, 0) == -1)
10009         perror("sysctlbyname(\"kern.osversion\", ?)");
10010     else
10011         System_ = [NSString stringWithUTF8String:osversion];
10012
10013     sysctlbyname("hw.machine", NULL, &size, NULL, 0);
10014     char *machine = new char[size];
10015     if (sysctlbyname("hw.machine", machine, &size, NULL, 0) == -1)
10016         perror("sysctlbyname(\"hw.machine\", ?)");
10017     else
10018         Machine_ = machine;
10019
10020     SerialNumber_ = (NSString *) CYIOGetValue("IOService:/", @"IOPlatformSerialNumber");
10021     ChipID_ = [CYHex((NSData *) CYIOGetValue("IODeviceTree:/chosen", @"unique-chip-id"), true) uppercaseString];
10022     BBSNum_ = CYHex((NSData *) CYIOGetValue("IOService:/AppleARMPE/baseband", @"snum"), false);
10023
10024     UniqueID_ = UniqueIdentifier(device);
10025
10026     if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:@"/Applications/MobileSafari.app/Info.plist"]) {
10027         Product_ = [info objectForKey:@"SafariProductVersion"];
10028         Safari_ = [info objectForKey:@"CFBundleVersion"];
10029     }
10030
10031     NSString *agent([NSString stringWithFormat:@"Cydia/%@ CyF/%.2f", Cydia_, kCFCoreFoundationVersionNumber]);
10032
10033     if (Pcre match = Pcre("^[0-9]+(\\.[0-9]+)+", Safari_))
10034         agent = [NSString stringWithFormat:@"Safari/%@ %@", match[0], agent];
10035     if (Pcre match = Pcre("^[0-9]+[A-Z][0-9]+[a-z]?", System_))
10036         agent = [NSString stringWithFormat:@"Mobile/%@ %@", match[0], agent];
10037     if (Pcre match = Pcre("^[0-9]+(\\.[0-9]+)+", Product_))
10038         agent = [NSString stringWithFormat:@"Version/%@ %@", match[0], agent];
10039
10040     UserAgent_ = agent;
10041     /* }}} */
10042     /* Load Database {{{ */
10043     _trace();
10044     Metadata_ = [[[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"] autorelease];
10045     _trace();
10046     SectionMap_ = [[[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Sections" ofType:@"plist"]] autorelease];
10047
10048     if (Metadata_ == NULL)
10049         Metadata_ = [NSMutableDictionary dictionaryWithCapacity:2];
10050     else {
10051         Settings_ = [Metadata_ objectForKey:@"Settings"];
10052
10053         Packages_ = [Metadata_ objectForKey:@"Packages"];
10054
10055         Values_ = [Metadata_ objectForKey:@"Values"];
10056         Sections_ = [Metadata_ objectForKey:@"Sections"];
10057         Sources_ = [Metadata_ objectForKey:@"Sources"];
10058
10059         Token_ = [Metadata_ objectForKey:@"Token"];
10060
10061         Version_ = [Metadata_ objectForKey:@"Version"];
10062     }
10063
10064     if (Values_ == nil) {
10065         Values_ = [[[NSMutableDictionary alloc] initWithCapacity:4] autorelease];
10066         [Metadata_ setObject:Values_ forKey:@"Values"];
10067     }
10068
10069     if (Sections_ == nil) {
10070         Sections_ = [[[NSMutableDictionary alloc] initWithCapacity:32] autorelease];
10071         [Metadata_ setObject:Sections_ forKey:@"Sections"];
10072     }
10073
10074     if (Sources_ == nil) {
10075         Sources_ = [[[NSMutableDictionary alloc] initWithCapacity:0] autorelease];
10076         [Metadata_ setObject:Sources_ forKey:@"Sources"];
10077     }
10078
10079     if (Version_ == nil) {
10080         Version_ = [NSNumber numberWithUnsignedInt:0];
10081         [Metadata_ setObject:Version_ forKey:@"Version"];
10082     }
10083
10084     if ([Version_ unsignedIntValue] == 0) {
10085         CydiaAddSource(@"http://apt.thebigboss.org/repofiles/cydia/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
10086         CydiaAddSource(@"http://apt.modmyi.com/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
10087         CydiaAddSource(@"http://cydia.zodttd.com/repo/cydia/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
10088         CydiaAddSource(@"http://repo666.ultrasn0w.com/", @"./");
10089
10090         Version_ = [NSNumber numberWithUnsignedInt:1];
10091         [Metadata_ setObject:Version_ forKey:@"Version"];
10092
10093         [Metadata_ removeObjectForKey:@"LastUpdate"];
10094
10095         Changed_ = true;
10096     }
10097
10098     _H<NSMutableArray> broken([NSMutableArray array]);
10099     for (NSString *key in (id) Sources_)
10100         if ([key rangeOfCharacterFromSet:[NSCharacterSet characterSetWithCharactersInString:@"# "]].location != NSNotFound)
10101             [broken addObject:key];
10102     if ([broken count] != 0) {
10103         for (NSString *key in (id) broken)
10104             [Sources_ removeObjectForKey:key];
10105         Changed_ = true;
10106     } broken = nil;
10107     /* }}} */
10108
10109     CydiaWriteSources();
10110
10111     _trace();
10112     MetaFile_.Open("/var/lib/cydia/metadata.cb0");
10113     _trace();
10114
10115     if (Packages_ != nil) {
10116         bool fail(false);
10117         CFDictionaryApplyFunction((CFDictionaryRef) Packages_, &PackageImport, &fail);
10118         _trace();
10119
10120         if (!fail) {
10121             [Metadata_ removeObjectForKey:@"Packages"];
10122             Packages_ = nil;
10123             Changed_ = true;
10124         }
10125     }
10126
10127     Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
10128
10129 #define MobileSubstrate_(name) \
10130     if (substrate && access("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", F_OK) == 0) { \
10131         void *handle(dlopen("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", RTLD_LAZY | RTLD_GLOBAL)); \
10132         if (handle == NULL) \
10133             NSLog(@"%s", dlerror()); \
10134     }
10135
10136     MobileSubstrate_(Activator)
10137     MobileSubstrate_(libstatusbar)
10138     MobileSubstrate_(SimulatedKeyEvents)
10139     MobileSubstrate_(WinterBoard)
10140
10141     /*if (substrate && access("/Library/MobileSubstrate/MobileSubstrate.dylib", F_OK) == 0)
10142         dlopen("/Library/MobileSubstrate/MobileSubstrate.dylib", RTLD_LAZY | RTLD_GLOBAL);*/
10143
10144     int version([[NSString stringWithContentsOfFile:@"/var/lib/cydia/firmware.ver"] intValue]);
10145
10146     if (access("/User", F_OK) != 0 || version != 6) {
10147         _trace();
10148         system("/usr/libexec/cydia/firmware.sh");
10149         _trace();
10150     }
10151
10152     _assert([[NSFileManager defaultManager]
10153         createDirectoryAtPath:@"/var/cache/apt/archives/partial"
10154         withIntermediateDirectories:YES
10155         attributes:nil
10156         error:NULL
10157     ]);
10158
10159     if (access("/tmp/cydia.chk", F_OK) == 0) {
10160         if (unlink("/var/cache/apt/pkgcache.bin") == -1)
10161             _assert(errno == ENOENT);
10162         if (unlink("/var/cache/apt/srcpkgcache.bin") == -1)
10163             _assert(errno == ENOENT);
10164     }
10165
10166     /* APT Initialization {{{ */
10167     _assert(pkgInitConfig(*_config));
10168     _assert(pkgInitSystem(*_config, _system));
10169
10170     if (lang != NULL)
10171         _config->Set("APT::Acquire::Translation", lang);
10172
10173     // XXX: this timeout might be important :(
10174     //_config->Set("Acquire::http::Timeout", 15);
10175
10176     _config->Set("Acquire::http::MaxParallel", 3);
10177     /* }}} */
10178     /* Color Choices {{{ */
10179     space_ = CGColorSpaceCreateDeviceRGB();
10180
10181     Blue_.Set(space_, 0.2, 0.2, 1.0, 1.0);
10182     Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
10183     Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
10184     Folder_.Set(space_, 0x8e/255.f, 0x8e/255.f, 0x93/255.f, 1.0);
10185     Off_.Set(space_, 0.9, 0.9, 0.9, 1.0);
10186     White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
10187     Gray_.Set(space_, 0.4, 0.4, 0.4, 1.0);
10188     Green_.Set(space_, 0.0, 0.5, 0.0, 1.0);
10189     Purple_.Set(space_, 0.0, 0.0, 0.7, 1.0);
10190     Purplish_.Set(space_, 0.4, 0.4, 0.8, 1.0);
10191
10192     InstallingColor_ = [UIColor colorWithRed:0.88f green:1.00f blue:0.88f alpha:1.00f];
10193     RemovingColor_ = [UIColor colorWithRed:1.00f green:0.88f blue:0.88f alpha:1.00f];
10194     /* }}}*/
10195     /* UIKit Configuration {{{ */
10196     // XXX: I have a feeling this was important
10197     //UIKeyboardDisableAutomaticAppearance();
10198     /* }}} */
10199
10200     $SBSSetInterceptsMenuButtonForever = reinterpret_cast<void (*)(bool)>(dlsym(RTLD_DEFAULT, "SBSSetInterceptsMenuButtonForever"));
10201
10202     const char *symbol(kCFCoreFoundationVersionNumber >= 800 ? "MGGetBoolAnswer" : "GSSystemHasCapability");
10203     BOOL (*GSSystemHasCapability)(CFStringRef) = reinterpret_cast<BOOL (*)(CFStringRef)>(dlsym(RTLD_DEFAULT, symbol));
10204     bool fast = GSSystemHasCapability != NULL && GSSystemHasCapability(CFSTR("armv7"));
10205
10206     PulseInterval_ = fast ? 50000 : 500000;
10207
10208     Colon_ = UCLocalize("COLON_DELIMITED");
10209     Elision_ = UCLocalize("ELISION");
10210     Error_ = UCLocalize("ERROR");
10211     Warning_ = UCLocalize("WARNING");
10212
10213     _trace();
10214     int value(UIApplicationMain(argc, argv, @"Cydia", @"Cydia"));
10215
10216     CGColorSpaceRelease(space_);
10217     CFRelease(Locale_);
10218
10219     [pool release];
10220     return value;
10221 }