Server.cpp

   1 /* Cycript - Optimizing JavaScript Compiler/Runtime
   2  * Copyright (C) 2009-2012  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU Lesser General Public License, Version 3 {{{ */
   6 /*
   7  * Cycript is free software: you can redistribute it and/or modify it under
   8  * the terms of the GNU Lesser General Public License as published by the
   9  * Free Software Foundation, either version 3 of the License, or (at your
  10  * option) any later version.
  11  *
  12  * Cycript is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  15  * License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public License
  18  * along with Cycript.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 #include <Pooling.hpp>
  23
  24 #include <apr_thread_proc.h>
  25
  26 #include <CoreFoundation/CFLogUtilities.h>
  27 #include <CFNetwork/CFNetwork.h>
  28
  29 #include <sys/types.h>
  30 #include <sys/socket.h>
  31 #include <netinet/in.h>
  32 #include <sys/un.h>
  33
  34 struct Client {
  35     CFHTTPMessageRef message_;
  36     CFSocketRef socket_;
  37 };
  38
  39 static void OnData(CFSocketRef socket, CFSocketCallBackType type, CFDataRef address, const void *value, void *info) {
  40     switch (type) {
  41         case kCFSocketDataCallBack:
  42             CFDataRef data(reinterpret_cast<CFDataRef>(value));
  43             Client *client(reinterpret_cast<Client *>(info));
  44
  45             if (client->message_ == NULL)
  46                 client->message_ = CFHTTPMessageCreateEmpty(kCFAllocatorDefault, TRUE);
  47
  48             if (!CFHTTPMessageAppendBytes(client->message_, CFDataGetBytePtr(data), CFDataGetLength(data)))
  49                 CFLog(kCFLogLevelError, CFSTR("CFHTTPMessageAppendBytes()"));
  50             else if (CFHTTPMessageIsHeaderComplete(client->message_)) {
  51                 CFURLRef url(CFHTTPMessageCopyRequestURL(client->message_));
  52                 Boolean absolute;
  53                 CFStringRef path(CFURLCopyStrictPath(url, &absolute));
  54                 CFRelease(client->message_);
  55
  56                 CFStringRef code(CFURLCreateStringByReplacingPercentEscapes(kCFAllocatorDefault, path, CFSTR("")));
  57                 CFRelease(path);
  58
  59                 JSStringRef script(JSStringCreateWithCFString(code));
  60                 CFRelease(code);
  61
  62                 JSValueRef result(JSEvaluateScript(CYGetJSContext(), script, NULL, NULL, 0, NULL));
  63                 JSStringRelease(script);
  64
  65                 CFHTTPMessageRef response(CFHTTPMessageCreateResponse(kCFAllocatorDefault, 200, NULL, kCFHTTPVersion1_1));
  66                 CFHTTPMessageSetHeaderFieldValue(response, CFSTR("Content-Type"), CFSTR("application/json; charset=utf-8"));
  67
  68                 CFStringRef json(CYCopyJSONString(CYGetJSContext(), result, NULL));
  69                 CFDataRef body(CFStringCreateExternalRepresentation(kCFAllocatorDefault, json, kCFStringEncodingUTF8, NULL));
  70                 CFRelease(json);
  71
  72                 CFStringRef length(CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%u"), CFDataGetLength(body)));
  73                 CFHTTPMessageSetHeaderFieldValue(response, CFSTR("Content-Length"), length);
  74                 CFRelease(length);
  75
  76                 CFHTTPMessageSetBody(response, body);
  77                 CFRelease(body);
  78
  79                 CFDataRef serialized(CFHTTPMessageCopySerializedMessage(response));
  80                 CFRelease(response);
  81
  82                 CFSocketSendData(socket, NULL, serialized, 0);
  83                 CFRelease(serialized);
  84
  85                 CFRelease(url);
  86             }
  87         break;
  88     }
  89 }
  90
  91 static void OnAccept(CFSocketRef socket, CFSocketCallBackType type, CFDataRef address, const void *value, void *info) {
  92     switch (type) {
  93         case kCFSocketAcceptCallBack:
  94             Client *client(new Client());
  95
  96             client->message_ = NULL;
  97
  98             CFSocketContext context;
  99             context.version = 0;
 100             context.info = client;
 101             context.retain = NULL;
 102             context.release = NULL;
 103             context.copyDescription = NULL;
 104
 105             client->socket_ = CFSocketCreateWithNative(kCFAllocatorDefault, *reinterpret_cast<const CFSocketNativeHandle *>(value), kCFSocketDataCallBack, &OnData, &context);
 106
 107             CFRunLoopAddSource(CFRunLoopGetCurrent(), CFSocketCreateRunLoopSource(kCFAllocatorDefault, client->socket_, 0), kCFRunLoopDefaultMode);
 108         break;
 109     }
 110 }
 111
 112 int main(int argc, char *argv[]) {
 113     {
 114         struct sockaddr_in address;
 115         address.sin_len = sizeof(address);
 116         address.sin_family = AF_INET;
 117         address.sin_addr.s_addr = INADDR_ANY;
 118         address.sin_port = htons(787);
 119
 120         CFDataRef data(CFDataCreate(kCFAllocatorDefault, reinterpret_cast<UInt8 *>(&address), sizeof(address)));
 121
 122         CFSocketSignature signature;
 123         signature.protocolFamily = AF_INET;
 124         signature.socketType = SOCK_STREAM;
 125         signature.protocol = IPPROTO_TCP;
 126         signature.address = data;
 127
 128         CFSocketRef socket(CFSocketCreateWithSocketSignature(kCFAllocatorDefault, &signature, kCFSocketAcceptCallBack, &OnAccept, NULL));
 129         CFRunLoopAddSource(CFRunLoopGetCurrent(), CFSocketCreateRunLoopSource(kCFAllocatorDefault, socket, 0), kCFRunLoopDefaultMode);
 130     }
 131
 132     {
 133         CYServer *server(new CYServer());
 134         server->socket_ = _syscall(socket(PF_UNIX, SOCK_STREAM, 0));
 135
 136         struct sockaddr_un address;
 137         memset(&address, 0, sizeof(address));
 138         address.sun_family = AF_UNIX;
 139
 140         sprintf(address.sun_path, "/tmp/.s.cy");
 141     }
 142 }