Diffstat (limited to 'noncore/unsupported/ubrowser/httpfactory.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/unsupported/ubrowser/httpfactory.cpp | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/noncore/unsupported/ubrowser/httpfactory.cpp b/noncore/unsupported/ubrowser/httpfactory.cpp new file mode 100644 index 0000000..369f206 --- a/dev/null +++ b/noncore/unsupported/ubrowser/httpfactory.cpp | |||
@@ -0,0 +1,376 @@ | |||
1 | /* | ||
2 | Opie-uBrowser. a very small web browser, using on QTextBrowser for html display/parsing | ||
3 | Copyright (C) 2002 Thomas Stephens | ||
4 | |||
5 | This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public | ||
6 | License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later | ||
7 | version. | ||
8 | |||
9 | This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the | ||
10 | implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General | ||
11 | Public License for more details. | ||
12 | |||
13 | You should have received a copy of the GNU General Public License along with this program; if not, write to the Free | ||
14 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
15 | */ | ||
16 | |||
17 | #include "httpfactory.h" | ||
18 | |||
19 | HttpFactory::HttpFactory(QTextBrowser *newBrowser):QMimeSourceFactory() | ||
20 | { | ||
21 | //socket = new QSocket; | ||
22 | text = new QTextDrag; | ||
23 | browser=newBrowser; | ||
24 | //comm = new HttpComm(socket, browser); | ||
25 | image = new QImageDrag; | ||
26 | } | ||
27 | |||
28 | const QMimeSource * HttpFactory::data(const QString &abs_name) const | ||
29 | { | ||
30 | printf("HttpFactory::data: using absolute data func\n"); | ||
31 | |||
32 | int port=80, addrEnd, portSep; | ||
33 | QString host, file, portS, name, tempString; | ||
34 | bool done=false, isText=true; | ||
35 | |||
36 | //comm->setUp((QString *)&abs_name); | ||
37 | |||
38 | name = abs_name; | ||
39 | //name = name.lower(); | ||
40 | name = name.stripWhiteSpace(); | ||
41 | |||
42 | //printf("%s\n", name.latin1()); | ||
43 | |||
44 | if(name.startsWith("http://")) | ||
45 | { | ||
46 | name = name.remove(0, 7); | ||
47 | } | ||
48 | else | ||
49 | { | ||
50 | name.prepend(browser->context()); | ||
51 | name = name.remove(0, 7); | ||
52 | } | ||
53 | |||
54 | addrEnd = name.find('/'); | ||
55 | if(addrEnd == -1) | ||
56 | { | ||
57 | name += '/'; | ||
58 | addrEnd = name.length()-1; | ||
59 | } | ||
60 | |||
61 | host = name; | ||
62 | file = name; | ||
63 | |||
64 | host.truncate(addrEnd); | ||
65 | file.remove(0, addrEnd); | ||
66 | |||
67 | portSep = host.find(':'); | ||
68 | if(portSep != -1) | ||
69 | { | ||
70 | portS=host; | ||
71 | host.truncate(portSep); | ||
72 | portS.remove(0, portSep+1); | ||
73 | port = portS.toInt(); | ||
74 | } | ||
75 | |||
76 | //printf("%s %s %d\n", host.latin1(), file.latin1(), port); | ||
77 | |||
78 | if(port == 80) | ||
79 | { | ||
80 | portS="80"; | ||
81 | } | ||
82 | |||
83 | //if(file.find(".png", file.length()-4) != -1 || file.find(".gif", file.length()-4) != -1 || file.find(".jpg", file.length()-4) != -1) | ||
84 | //{ | ||
85 | // isImage=true; | ||
86 | //} | ||
87 | |||
88 | //comm->setStuff(host, portS, file, text, image, isImage); | ||
89 | |||
90 | //socket->connectToHost(host, port); | ||
91 | |||
92 | int con, bytesSent; | ||
93 | struct sockaddr_in serverAddr; | ||
94 | struct hostent * serverInfo = gethostbyname( host.latin1() ); | ||
95 | |||
96 | if( serverInfo == NULL ) | ||
97 | { | ||
98 | QMessageBox *mb = new QMessageBox(QObject::tr("Error!"), | ||
99 | QObject::tr("IP-Address not found"), | ||
100 | QMessageBox::NoIcon, | ||
101 | QMessageBox::Ok, | ||
102 | QMessageBox::NoButton, | ||
103 | QMessageBox::NoButton); | ||
104 | mb->exec(); | ||
105 | perror("HttpFactory::data:"); | ||
106 | return 0; | ||
107 | } | ||
108 | |||
109 | QByteArray data; | ||
110 | //printf( "HttpFactory::data: %s\n", inet_ntoa(*((struct in_addr *)serverInfo->h_addr )) ); | ||
111 | |||
112 | QString request("GET " + file + " HTTP/1.1\r\nHost: " + host + ':' + portS + "\r\nConnection: close\r\n\r\n"); | ||
113 | |||
114 | con = socket( AF_INET, SOCK_STREAM, 0 ); | ||
115 | if( con == -1 ) | ||
116 | { | ||
117 | QMessageBox *mb = new QMessageBox(QObject::tr("Error!"), | ||
118 | QObject::tr("Error creating socket"), | ||
119 | QMessageBox::NoIcon, | ||
120 | QMessageBox::Ok, | ||
121 | QMessageBox::NoButton, | ||
122 | QMessageBox::NoButton); | ||
123 | mb->exec(); | ||
124 | perror("HttpFactory::data:"); | ||
125 | return 0; | ||
126 | } | ||
127 | |||
128 | serverAddr.sin_family = AF_INET; | ||
129 | serverAddr.sin_port = htons( port ); | ||
130 | serverAddr.sin_addr.s_addr = inet_addr( inet_ntoa(*((struct in_addr *)serverInfo->h_addr )) ); | ||
131 | memset( &(serverAddr.sin_zero), '\0', 8 ); | ||
132 | |||
133 | if(::connect( con, (struct sockaddr *)&serverAddr, sizeof(struct sockaddr)) == -1 ) | ||
134 | { | ||
135 | QMessageBox *mb = new QMessageBox(QObject::tr("Error!"), | ||
136 | QObject::tr("Error connecting to socket"), | ||
137 | QMessageBox::NoIcon, | ||
138 | QMessageBox::Ok, | ||
139 | QMessageBox::NoButton, | ||
140 | QMessageBox::NoButton); | ||
141 | mb->exec(); | ||
142 | perror("HttpFactory::data:"); | ||
143 | return 0; | ||
144 | } | ||
145 | |||
146 | |||
147 | bytesSent = send( con, request.latin1(), request.length(), 0); | ||
148 | //printf("HttpFactory::data: bytes written: %d out of: %d\n", bytesSent, request.length() ); | ||
149 | //printf("HttpFactory::data: request sent:\n%s", request.latin1()); | ||
150 | |||
151 | data = this->processResponse( con, isText ); | ||
152 | |||
153 | ::close( con ); | ||
154 | |||
155 | if(isText) | ||
156 | { | ||
157 | text->setText( QString( data ) ); | ||
158 | return text; | ||
159 | } | ||
160 | else | ||
161 | { | ||
162 | image->setImage( QImage( data ) ); | ||
163 | return image; | ||
164 | } | ||
165 | } | ||
166 | |||
167 | const QMimeSource * HttpFactory::data(const QString &abs_or_rel_name, const QString & context) const | ||
168 | { | ||
169 | printf("HttpFactory::data: using relative data func\n"); | ||
170 | |||
171 | if(abs_or_rel_name.startsWith(context)) | ||
172 | { | ||
173 | return data(abs_or_rel_name); | ||
174 | } | ||
175 | else | ||
176 | { | ||
177 | return data(context + abs_or_rel_name); | ||
178 | } | ||
179 | |||
180 | return 0; | ||
181 | } | ||
182 | |||
183 | const QByteArray HttpFactory::processResponse( int sockfd, bool &isText ) const | ||
184 | { | ||
185 | QByteArray inputBin( 1 ); | ||
186 | QByteArray conClosedErr( 27 ); | ||
187 | char conClosedErrMsg[] = "Connection to server closed"; | ||
188 | QString currentLine; | ||
189 | bool done=false, chunked=false; | ||
190 | int dataLength = 0; | ||
191 | |||
192 | for( int i = 0; i < 27; i++) | ||
193 | { | ||
194 | conClosedErr[i] = conClosedErrMsg[i]; | ||
195 | } | ||
196 | |||
197 | while( !done ) | ||
198 | { | ||
199 | recv( sockfd, inputBin.data(), inputBin.size(), 0 ); | ||
200 | currentLine += *(inputBin.data()); | ||
201 | |||
202 | if( *(inputBin.data()) == '\n' ) | ||
203 | { | ||
204 | if( currentLine.isEmpty() || currentLine.startsWith( "\r") ) | ||
205 | { | ||
206 | printf( "HttpFactory::processResponse: end of header\n" ); | ||
207 | if( chunked ) | ||
208 | { | ||
209 | return recieveChunked( sockfd ); | ||
210 | } else { | ||
211 | return recieveNormal( sockfd, dataLength ); | ||
212 | } | ||
213 | done = true; | ||
214 | } | ||
215 | |||
216 | if( currentLine.contains( "Transfer-Encoding: chunked", false) >= 1 ) | ||
217 | { | ||
218 | chunked = true; | ||
219 | // printf( "HttpFactory::processResponse: chunked encoding\n" ); | ||
220 | } | ||
221 | |||
222 | if( currentLine.contains( "Content-Type: text", false ) >= 1 ) | ||
223 | { | ||
224 | isText = true; | ||
225 | // printf( "HttpFactory::processResponse: content type text\n" ); | ||
226 | if( currentLine.contains( "html", false ) >= 1) | ||
227 | { | ||
228 | browser->setTextFormat(Qt::RichText); | ||
229 | // printf( "HttpFactory::processResponse: content type html\n" ); | ||
230 | } | ||
231 | } | ||
232 | |||
233 | if( currentLine.contains( "Content-Type: image", false ) >= 1 ) | ||
234 | { | ||
235 | isText = false; | ||
236 | // printf( "HttpFactory::processResponse: content type image\n" ); | ||
237 | } | ||
238 | |||
239 | if( currentLine.contains( "Content-Length", false ) >= 1 ) | ||
240 | { | ||
241 | currentLine.remove( 0, 16 ); | ||
242 | dataLength = currentLine.toInt(); | ||
243 | // printf( "HttpFactory::processResponse: content length: %d\n", dataLength ); | ||
244 | } | ||
245 | |||
246 | if( currentLine.contains( "404", false ) >= 1 ) | ||
247 | { | ||
248 | // printf( "HttpFactory::processResponse: 404 error\n" ); | ||
249 | return 0; | ||
250 | } | ||
251 | |||
252 | currentLine = ""; | ||
253 | // printf("HttpFactory::processResponse: reseting currentLine: %s\n", currentLine.latin1() ); | ||
254 | } | ||
255 | } | ||
256 | } | ||
257 | |||
258 | const QByteArray HttpFactory::recieveNormal( int sockfd, int dataLen ) const | ||
259 | { | ||
260 | //printf( "HttpFactory::recieveNormal: recieving w/out chunked encoding\n" ); | ||
261 | |||
262 | QByteArray data( dataLen ); | ||
263 | QByteArray temp( dataLen ); | ||
264 | int recieved, i; | ||
265 | |||
266 | recieved = recv( sockfd, temp.data(), temp.size(), 0 ); | ||
267 | //printf( "HttpFactory::recieveNormal: found some data: %s\n", (char *)temp.data() ); | ||
268 | for( i = 0; i < recieved; i++ ) | ||
269 | { | ||
270 | data[i] = temp[i]; | ||
271 | } | ||
272 | dataLen -= recieved; | ||
273 | while( dataLen > 0 ) | ||
274 | { | ||
275 | recieved = recv( sockfd, temp.data(), temp.size(), 0 ); | ||
276 | dataLen -= recieved; | ||
277 | // printf( "HttpFactory::recieveNormal: found some more data: %s\n", (char *)temp.data() ); | ||
278 | for( int j = 0; j < recieved; j++ ) | ||
279 | { | ||
280 | data[i] = temp[j]; | ||
281 | i++; | ||
282 | } | ||
283 | temp.fill('\0'); | ||
284 | } | ||
285 | |||
286 | //printf( "HttpFactory::recieveNormal: end of data\n" ); | ||
287 | return data; | ||
288 | } | ||
289 | |||
290 | const QByteArray HttpFactory::recieveChunked( int sockfd ) const | ||
291 | { | ||
292 | //printf( "HttpFactory::recieveChunked: recieving data with chunked encoding\n" ); | ||
293 | |||
294 | QByteArray data; | ||
295 | QByteArray temp( 1 ); | ||
296 | int recieved, i = 0, cSize = 0; | ||
297 | QString cSizeS; | ||
298 | |||
299 | //printf( "HttpFactory::recieveChunked: temp.size(): %d\n", temp.size() ); | ||
300 | recv( sockfd, temp.data(), temp.size(), 0 ); | ||
301 | while( *(temp.data()) != '\n' && *(temp.data()) != ';' ) | ||
302 | { | ||
303 | // printf( "HttpFactory::recieveChunked: temp.size(): %d\n", temp.size() ); | ||
304 | // printf( "HttpFactory::recieveChunked: temp.data(): %c\n", temp[0] ); | ||
305 | cSizeS += temp[0]; | ||
306 | recv( sockfd, temp.data(), temp.size(), 0 ); | ||
307 | } | ||
308 | |||
309 | //printf( "HttpFactory::recieveChunked: cSizeS: %s\n", cSizeS.latin1() ); | ||
310 | cSize = cSizeS.toInt( 0, 16 ); | ||
311 | //printf( "HttpFactory::recieveChunked: first chunk of size: %d\n", cSize ); | ||
312 | |||
313 | if( *(temp.data()) == ';' ) | ||
314 | { | ||
315 | while( *(temp.data()) != '\n' ) | ||
316 | { | ||
317 | recv( sockfd, temp.data(), temp.size(), 0 ); | ||
318 | } | ||
319 | } | ||
320 | |||
321 | temp.fill( '\0', cSize ); | ||
322 | data.fill( '\0', cSize ); | ||
323 | |||
324 | while( cSize > 0 ) | ||
325 | { | ||
326 | while( cSize > 0 ) | ||
327 | { | ||
328 | recieved = recv( sockfd, temp.data(), temp.size(), 0 ); | ||
329 | cSize -= recieved; | ||
330 | for( int j = 0; j < recieved; j++ ) | ||
331 | { | ||
332 | data[i] = temp[j]; | ||
333 | i++; | ||
334 | } | ||
335 | temp.fill('\0', cSize); | ||
336 | } | ||
337 | |||
338 | // printf( "HttpFactory::recieveChunked: current data:\n%s", data.data() ); | ||
339 | |||
340 | temp.fill('\0', 1); | ||
341 | cSizeS = ""; | ||
342 | cSize = 0; | ||
343 | |||
344 | recv( sockfd, temp.data(), temp.size(), 0 ); | ||
345 | if( *(temp.data()) == '\r' ) | ||
346 | { | ||
347 | recv( sockfd, temp.data(), temp.size(), 0 ); | ||
348 | } | ||
349 | recv( sockfd, temp.data(), temp.size(), 0 ); | ||
350 | while( *(temp.data()) != '\n' && *(temp.data()) != ';' ) | ||
351 | { | ||
352 | // printf( "HttpFactory::recieveChunked: temp.size(): %d\n", temp.size() ); | ||
353 | // printf( "HttpFactory::recieveChunked: temp.data(): %d\n", temp[0] ); | ||
354 | cSizeS += temp[0]; | ||
355 | recv( sockfd, temp.data(), temp.size(), 0 ); | ||
356 | } | ||
357 | |||
358 | // printf( "HttpFactory::recieveChunked: cSizeS: %s\n", cSizeS.latin1() ); | ||
359 | cSize = cSizeS.toInt( 0, 16 ); | ||
360 | // printf( "HttpFactory::recieveChunked: next chunk of size: %d\n", cSize ); | ||
361 | |||
362 | if( *(temp.data()) == ';' ) | ||
363 | { | ||
364 | while( *(temp.data()) != '\n' ) | ||
365 | { | ||
366 | recv( sockfd, temp.data(), temp.size(), 0 ); | ||
367 | } | ||
368 | } | ||
369 | |||
370 | temp.fill( '\0', cSize ); | ||
371 | data.resize( data.size() + cSize ); | ||
372 | } | ||
373 | |||
374 | //printf( "HttpFactory::recieveChunked: end of data\n" ); | ||
375 | return data; | ||
376 | } | ||