CyteKit/extern.mm

   1 /* Cydia - iPhone UIKit Front-End for Debian APT
   2  * Copyright (C) 2008-2015  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 #include <CyteKit/UCPlatform.h>
  23
  24 #include <CyteKit/RegEx.hpp>
  25 #include <CyteKit/WebViewController.h>
  26 #include <CyteKit/extern.h>
  27
  28 #include <SystemConfiguration/SystemConfiguration.h>
  29 #include <UIKit/UIKit.h>
  30
  31 #include <sys/sysctl.h>
  32
  33 #include <Menes/ObjectHandle.h>
  34
  35 bool IsWildcat_;
  36 CGFloat ScreenScale_;
  37
  38 char *Machine_;
  39 const char *System_;
  40
  41 bool CyteIsReachable(const char *name) {
  42     SCNetworkReachabilityFlags flags; {
  43         SCNetworkReachabilityRef reachability(SCNetworkReachabilityCreateWithName(kCFAllocatorDefault, name));
  44         SCNetworkReachabilityGetFlags(reachability, &flags);
  45         CFRelease(reachability);
  46     }
  47
  48     // XXX: this elaborate mess is what Apple is using to determine this? :(
  49     // XXX: do we care if the user has to intervene? maybe that's ok?
  50     return
  51         (flags & kSCNetworkReachabilityFlagsReachable) != 0 && (
  52             (flags & kSCNetworkReachabilityFlagsConnectionRequired) == 0 || (
  53                 (flags & kSCNetworkReachabilityFlagsConnectionOnDemand) != 0 ||
  54                 (flags & kSCNetworkReachabilityFlagsConnectionOnTraffic) != 0
  55             ) && (flags & kSCNetworkReachabilityFlagsInterventionRequired) == 0 ||
  56             (flags & kSCNetworkReachabilityFlagsIsWWAN) != 0
  57         )
  58     ;
  59 }
  60
  61 void CyteInitialize(NSString *agent) {
  62     UIScreen *screen([UIScreen mainScreen]);
  63     if ([screen respondsToSelector:@selector(scale)])
  64         ScreenScale_ = [screen scale];
  65     else
  66         ScreenScale_ = 1;
  67
  68     UIDevice *device([UIDevice currentDevice]);
  69     if ([device respondsToSelector:@selector(userInterfaceIdiom)]) {
  70         UIUserInterfaceIdiom idiom([device userInterfaceIdiom]);
  71         if (idiom == UIUserInterfaceIdiomPad)
  72             IsWildcat_ = true;
  73     }
  74
  75     size_t size;
  76
  77     sysctlbyname("kern.osversion", NULL, &size, NULL, 0);
  78     char *osversion = new char[size];
  79     if (sysctlbyname("kern.osversion", osversion, &size, NULL, 0) == -1)
  80         perror("sysctlbyname(\"kern.osversion\", ?)");
  81     else
  82         System_ = osversion;
  83
  84     sysctlbyname("hw.machine", NULL, &size, NULL, 0);
  85     char *machine = new char[size];
  86     if (sysctlbyname("hw.machine", machine, &size, NULL, 0) == -1)
  87         perror("sysctlbyname(\"hw.machine\", ?)");
  88     else
  89         Machine_ = machine;
  90
  91     _H<NSString> product;
  92     _H<NSString> safari;
  93
  94     if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:@"/Applications/MobileSafari.app/Info.plist"]) {
  95         product = [info objectForKey:@"SafariProductVersion"] ?: [info objectForKey:@"CFBundleShortVersionString"];
  96         safari = [info objectForKey:@"CFBundleVersion"];
  97     }
  98
  99     agent = [NSString stringWithFormat:@"%@ CyF/%.2f", agent, kCFCoreFoundationVersionNumber];
 100
 101     if (safari != nil)
 102         if (RegEx match = RegEx("([0-9]+(\\.[0-9]+)+).*", safari))
 103             agent = [NSString stringWithFormat:@"Safari/%@ %@", match[1], agent];
 104     if (RegEx match = RegEx("([0-9]+[A-Z][0-9]+[a-z]?).*", System_))
 105         agent = [NSString stringWithFormat:@"Mobile/%@ %@", match[1], agent];
 106     if (product != nil)
 107         if (RegEx match = RegEx("([0-9]+(\\.[0-9]+)+).*", product))
 108             agent = [NSString stringWithFormat:@"Version/%@ %@", match[1], agent];
 109
 110     [CyteWebViewController setApplicationNameForUserAgent:agent];
 111 }