1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtNetwork module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qhttpnetworkconnection_p.h"
#include "private/qnoncontiguousbytedevice_p.h"
#include <private/qnetworkrequest_p.h>
#include <private/qobject_p.h>
#include <private/qauthenticator_p.h>
#include <qnetworkproxy.h>
#include <qauthenticator.h>
#include <qbuffer.h>
#include <qpair.h>
#include <qhttp.h>
#include <qdebug.h>
#ifndef QT_NO_HTTP
#ifndef QT_NO_OPENSSL
# include <QtNetwork/qsslkey.h>
# include <QtNetwork/qsslcipher.h>
# include <QtNetwork/qsslconfiguration.h>
#endif
QT_BEGIN_NAMESPACE
const int QHttpNetworkConnectionPrivate::channelCount = 2;
QHttpNetworkConnectionPrivate::QHttpNetworkConnectionPrivate(const QString &hostName, quint16 port, bool encrypt)
: hostName(hostName), port(port), encrypt(encrypt),
pendingAuthSignal(false), pendingProxyAuthSignal(false)
#ifndef QT_NO_NETWORKPROXY
, networkProxy(QNetworkProxy::NoProxy)
#endif
{
}
QHttpNetworkConnectionPrivate::~QHttpNetworkConnectionPrivate()
{
for (int i = 0; i < channelCount; ++i) {
channels[i].socket->close();
delete channels[i].socket;
}
}
void QHttpNetworkConnectionPrivate::connectSignals(QAbstractSocket *socket)
{
Q_Q(QHttpNetworkConnection);
QObject::connect(socket, SIGNAL(bytesWritten(qint64)),
q, SLOT(_q_bytesWritten(qint64)),
Qt::DirectConnection);
QObject::connect(socket, SIGNAL(connected()),
q, SLOT(_q_connected()),
Qt::DirectConnection);
QObject::connect(socket, SIGNAL(readyRead()),
q, SLOT(_q_readyRead()),
Qt::DirectConnection);
QObject::connect(socket, SIGNAL(disconnected()),
q, SLOT(_q_disconnected()),
Qt::DirectConnection);
QObject::connect(socket, SIGNAL(error(QAbstractSocket::SocketError)),
q, SLOT(_q_error(QAbstractSocket::SocketError)),
Qt::DirectConnection);
#ifndef QT_NO_NETWORKPROXY
QObject::connect(socket, SIGNAL(proxyAuthenticationRequired(const QNetworkProxy&, QAuthenticator*)),
q, SLOT(_q_proxyAuthenticationRequired(const QNetworkProxy&, QAuthenticator*)),
Qt::DirectConnection);
#endif
#ifndef QT_NO_OPENSSL
QSslSocket *sslSocket = qobject_cast<QSslSocket*>(socket);
QObject::connect(sslSocket, SIGNAL(encrypted()),
q, SLOT(_q_encrypted()),
Qt::DirectConnection);
QObject::connect(sslSocket, SIGNAL(sslErrors(const QList<QSslError>&)),
q, SLOT(_q_sslErrors(const QList<QSslError>&)),
Qt::DirectConnection);
#endif
}
void QHttpNetworkConnectionPrivate::init()
{
for (int i = 0; i < channelCount; ++i) {
#ifndef QT_NO_OPENSSL
channels[i].socket = new QSslSocket;
#else
channels[i].socket = new QTcpSocket;
#endif
connectSignals(channels[i].socket);
}
}
int QHttpNetworkConnectionPrivate::indexOf(QAbstractSocket *socket) const
{
for (int i = 0; i < channelCount; ++i)
if (channels[i].socket == socket)
return i;
return -1;
}
bool QHttpNetworkConnectionPrivate::isSocketBusy(QAbstractSocket *socket) const
{
int i = indexOf(socket);
return (channels[i].state & BusyState);
}
bool QHttpNetworkConnectionPrivate::isSocketWriting(QAbstractSocket *socket) const
{
int i = indexOf(socket);
return (i != -1 && (channels[i].state & WritingState));
}
bool QHttpNetworkConnectionPrivate::isSocketWaiting(QAbstractSocket *socket) const
{
int i = indexOf(socket);
return (i != -1 && (channels[i].state & WaitingState));
}
bool QHttpNetworkConnectionPrivate::isSocketReading(QAbstractSocket *socket) const
{
int i = indexOf(socket);
return (i != -1 && (channels[i].state & ReadingState));
}
void QHttpNetworkConnectionPrivate::appendData(QHttpNetworkReply &reply, const QByteArray &fragment, bool compressed)
{
QByteArray *ba = (compressed) ? &reply.d_func()->compressedData : &reply.d_func()->responseData;
ba->append(fragment);
return;
}
qint64 QHttpNetworkConnectionPrivate::bytesAvailable(const QHttpNetworkReply &reply, bool compressed) const
{
const QByteArray *ba = (compressed) ? &reply.d_func()->compressedData : &reply.d_func()->responseData;
return ba->size();
}
qint64 QHttpNetworkConnectionPrivate::read(QHttpNetworkReply &reply, QByteArray &data, qint64 maxSize, bool compressed)
{
QByteArray *ba = (compressed) ? &reply.d_func()->compressedData : &reply.d_func()->responseData;
if (maxSize == -1 || maxSize >= ba->size()) {
// read the whole data
data = *ba;
ba->clear();
} else {
// read only the requested length
data = ba->mid(0, maxSize);
ba->remove(0, maxSize);
}
return data.size();
}
void QHttpNetworkConnectionPrivate::eraseData(QHttpNetworkReply *reply)
{
reply->d_func()->compressedData.clear();
reply->d_func()->responseData.clear();
}
void QHttpNetworkConnectionPrivate::prepareRequest(HttpMessagePair &messagePair)
{
QHttpNetworkRequest &request = messagePair.first;
QHttpNetworkReply *reply = messagePair.second;
// add missing fields for the request
QByteArray value;
// check if Content-Length is provided
QNonContiguousByteDevice* uploadByteDevice = request.uploadByteDevice();
if (uploadByteDevice) {
if (request.contentLength() != -1 && uploadByteDevice->size() != -1) {
// both values known, take the smaller one.
request.setContentLength(qMin(uploadByteDevice->size(), request.contentLength()));
} else if (request.contentLength() == -1 && uploadByteDevice->size() != -1) {
// content length not supplied by user, but the upload device knows it
request.setContentLength(uploadByteDevice->size());
} else if (request.contentLength() != -1 && uploadByteDevice->size() == -1) {
// everything OK, the user supplied us the contentLength
} else if (request.contentLength() == -1 && uploadByteDevice->size() == -1) {
qFatal("QHttpNetworkConnectionPrivate: Neither content-length nor upload device size were given");
}
}
// set the Connection/Proxy-Connection: Keep-Alive headers
#ifndef QT_NO_NETWORKPROXY
if (networkProxy.type() == QNetworkProxy::HttpCachingProxy) {
value = request.headerField("proxy-connection");
if (value.isEmpty())
request.setHeaderField("Proxy-Connection", "Keep-Alive");
} else {
#endif
value = request.headerField("connection");
if (value.isEmpty())
request.setHeaderField("Connection", "Keep-Alive");
#ifndef QT_NO_NETWORKPROXY
}
#endif
// set the gzip header
value = request.headerField("accept-encoding");
if (value.isEmpty()) {
#ifndef QT_NO_COMPRESS
request.setHeaderField("Accept-Encoding", "gzip");
request.d->autoDecompress = true;
#else
// if zlib is not available set this to false always
request.d->autoDecompress = false;
#endif
}
// set the User Agent
value = request.headerField("user-agent");
if (value.isEmpty())
request.setHeaderField("User-Agent", "Mozilla/5.0");
// set the host
value = request.headerField("host");
if (value.isEmpty()) {
QByteArray host = QUrl::toAce(hostName);
int port = request.url().port();
if (port != -1) {
host += ':';
host += QByteArray::number(port);
}
request.setHeaderField("Host", host);
}
reply->d_func()->requestIsPrepared = true;
}
bool QHttpNetworkConnectionPrivate::ensureConnection(QAbstractSocket *socket)
{
// make sure that this socket is in a connected state, if not initiate
// connection to the host.
if (socket->state() != QAbstractSocket::ConnectedState) {
// connect to the host if not already connected.
int index = indexOf(socket);
// resend this request after we receive the disconnected signal
if (socket->state() == QAbstractSocket::ClosingState) {
channels[index].resendCurrent = true;
return false;
}
channels[index].state = ConnectingState;
channels[index].pendingEncrypt = encrypt;
// This workaround is needed since we use QAuthenticator for NTLM authentication. The "phase == Done"
// is the usual criteria for emitting authentication signals. The "phase" is set to "Done" when the
// last header for Authorization is generated by the QAuthenticator. Basic & Digest logic does not
// check the "phase" for generating the Authorization header. NTLM authentication is a two stage
// process & needs the "phase". To make sure the QAuthenticator uses the current username/password
// the phase is reset to Start.
QAuthenticatorPrivate *priv = QAuthenticatorPrivate::getPrivate(channels[index].authenticator);
if (priv && priv->phase == QAuthenticatorPrivate::Done)
priv->phase = QAuthenticatorPrivate::Start;
priv = QAuthenticatorPrivate::getPrivate(channels[index].proxyAuthenticator);
if (priv && priv->phase == QAuthenticatorPrivate::Done)
priv->phase = QAuthenticatorPrivate::Start;
QString connectHost = hostName;
qint16 connectPort = port;
#ifndef QT_NO_NETWORKPROXY
// HTTPS always use transparent proxy.
if (networkProxy.type() != QNetworkProxy::NoProxy && !encrypt) {
connectHost = networkProxy.hostName();
connectPort = networkProxy.port();
}
#endif
if (encrypt) {
#ifndef QT_NO_OPENSSL
QSslSocket *sslSocket = qobject_cast<QSslSocket*>(socket);
sslSocket->connectToHostEncrypted(connectHost, connectPort);
if (channels[index].ignoreSSLErrors)
sslSocket->ignoreSslErrors();
#else
emitReplyError(socket, channels[index].reply, QNetworkReply::ProtocolUnknownError);
#endif
} else {
socket->connectToHost(connectHost, connectPort);
}
return false;
}
return true;
}
bool QHttpNetworkConnectionPrivate::sendRequest(QAbstractSocket *socket)
{
Q_Q(QHttpNetworkConnection);
int i = indexOf(socket);
switch (channels[i].state) {
case IdleState: { // write the header
if (!ensureConnection(socket)) {
// wait for the connection (and encryption) to be done
// sendRequest will be called again from either
// _q_connected or _q_encrypted
return false;
}
channels[i].written = 0; // excluding the header
channels[i].bytesTotal = 0;
if (channels[i].reply) {
channels[i].reply->d_func()->clear();
channels[i].reply->d_func()->connection = q;
channels[i].reply->d_func()->autoDecompress = channels[i].request.d->autoDecompress;
}
channels[i].state = WritingState;
channels[i].pendingEncrypt = false;
// if the url contains authentication parameters, use the new ones
// both channels will use the new authentication parameters
if (!channels[i].request.url().userInfo().isEmpty()) {
QUrl url = channels[i].request.url();
QAuthenticator &auth = channels[i].authenticator;
if (url.userName() != auth.user()
|| (!url.password().isEmpty() && url.password() != auth.password())) {
auth.setUser(url.userName());
auth.setPassword(url.password());
copyCredentials(i, &auth, false);
}
// clear the userinfo, since we use the same request for resending
// userinfo in url can conflict with the one in the authenticator
url.setUserInfo(QString());
channels[i].request.setUrl(url);
}
createAuthorization(socket, channels[i].request);
#ifndef QT_NO_NETWORKPROXY
QByteArray header = QHttpNetworkRequestPrivate::header(channels[i].request,
(networkProxy.type() != QNetworkProxy::NoProxy));
#else
QByteArray header = QHttpNetworkRequestPrivate::header(channels[i].request,
false);
#endif
socket->write(header);
QNonContiguousByteDevice* uploadByteDevice = channels[i].request.uploadByteDevice();
if (uploadByteDevice) {
// connect the signals so this function gets called again
QObject::connect(uploadByteDevice, SIGNAL(readyRead()), q, SLOT(_q_uploadDataReadyRead()));
channels[i].bytesTotal = channels[i].request.contentLength();
} else {
channels[i].state = WaitingState;
break;
}
// write the initial chunk together with the headers
// fall through
}
case WritingState:
{
// write the data
QNonContiguousByteDevice* uploadByteDevice = channels[i].request.uploadByteDevice();
if (!uploadByteDevice || channels[i].bytesTotal == channels[i].written) {
if (uploadByteDevice)
emit channels[i].reply->dataSendProgress(channels[i].written, channels[i].bytesTotal);
channels[i].state = WaitingState; // now wait for response
sendRequest(socket);
break;
}
// only feed the QTcpSocket buffer when there is less than 32 kB in it
const qint64 socketBufferFill = 32*1024;
const qint64 socketWriteMaxSize = 16*1024;
#ifndef QT_NO_OPENSSL
QSslSocket *sslSocket = qobject_cast<QSslSocket*>(socket);
while ((sslSocket->encryptedBytesToWrite() + sslSocket->bytesToWrite()) <= socketBufferFill
&& channels[i].bytesTotal != channels[i].written)
#else
while (socket->bytesToWrite() <= socketBufferFill
&& channels[i].bytesTotal != channels[i].written)
#endif
{
// get pointer to upload data
qint64 currentReadSize;
qint64 desiredReadSize = qMin(socketWriteMaxSize, channels[i].bytesTotal - channels[i].written);
const char *readPointer = uploadByteDevice->readPointer(desiredReadSize, currentReadSize);
if (currentReadSize == -1) {
// premature eof happened
emitReplyError(socket, channels[i].reply, QNetworkReply::UnknownNetworkError);
return false;
break;
} else if (readPointer == 0 || currentReadSize == 0) {
// nothing to read currently, break the loop
break;
} else {
qint64 currentWriteSize = socket->write(readPointer, currentReadSize);
if (currentWriteSize == -1 || currentWriteSize != currentReadSize) {
// socket broke down
emitReplyError(socket, channels[i].reply, QNetworkReply::UnknownNetworkError);
return false;
} else {
channels[i].written += currentWriteSize;
uploadByteDevice->advanceReadPointer(currentWriteSize);
emit channels[i].reply->dataSendProgress(channels[i].written, channels[i].bytesTotal);
if (channels[i].written == channels[i].bytesTotal) {
// make sure this function is called once again
channels[i].state = WaitingState;
sendRequest(socket);
break;
}
}
}
}
break;
}
case WaitingState:
{
QNonContiguousByteDevice* uploadByteDevice = channels[i].request.uploadByteDevice();
if (uploadByteDevice) {
QObject::disconnect(uploadByteDevice, SIGNAL(readyRead()), q, SLOT(_q_uploadDataReadyRead()));
}
// ensure we try to receive a reply in all cases, even if _q_readyRead_ hat not been called
// this is needed if the sends an reply before we have finished sending the request. In that
// case receiveReply had been called before but ignored the server reply
receiveReply(socket, channels[i].reply);
break;
}
case ReadingState:
case Wait4AuthState:
// ignore _q_bytesWritten in these states
// fall through
default:
break;
}
return true;
}
bool QHttpNetworkConnectionPrivate::emitSignals(QHttpNetworkReply *reply)
{
// for 401 & 407 don't emit the data signals. Content along with these
// responses are send only if the authentication fails.
return (reply && reply->d_func()->statusCode != 401 && reply->d_func()->statusCode != 407);
}
bool QHttpNetworkConnectionPrivate::expectContent(QHttpNetworkReply *reply)
{
// check whether we can expect content after the headers (rfc 2616, sec4.4)
if (!reply)
return false;
if ((reply->d_func()->statusCode >= 100 && reply->d_func()->statusCode < 200)
|| reply->d_func()->statusCode == 204 || reply->d_func()->statusCode == 304)
return false;
if (reply->d_func()->request.operation() == QHttpNetworkRequest::Head)
return !emitSignals(reply);
if (reply->d_func()->contentLength() == 0)
return false;
return true;
}
void QHttpNetworkConnectionPrivate::emitReplyError(QAbstractSocket *socket,
QHttpNetworkReply *reply,
QNetworkReply::NetworkError errorCode)
{
Q_Q(QHttpNetworkConnection);
if (socket && reply) {
// this error matters only to this reply
reply->d_func()->errorString = errorDetail(errorCode, socket);
emit reply->finishedWithError(errorCode, reply->d_func()->errorString);
int i = indexOf(socket);
// remove the corrupt data if any
eraseData(channels[i].reply);
closeChannel(i);
// send the next request
QMetaObject::invokeMethod(q, "_q_startNextRequest", Qt::QueuedConnection);
}
}
#ifndef QT_NO_COMPRESS
bool QHttpNetworkConnectionPrivate::expand(QAbstractSocket *socket, QHttpNetworkReply *reply, bool dataComplete)
{
Q_ASSERT(socket);
Q_ASSERT(reply);
qint64 total = bytesAvailable(*reply, true);
if (total >= CHUNK || dataComplete) {
int i = indexOf(socket);
// uncompress the data
QByteArray content, inflated;
read(*reply, content, -1, true);
int ret = Z_OK;
if (content.size())
ret = reply->d_func()->gunzipBodyPartially(content, inflated);
int retCheck = (dataComplete) ? Z_STREAM_END : Z_OK;
if (ret >= retCheck) {
if (inflated.size()) {
reply->d_func()->totalProgress += inflated.size();
appendData(*reply, inflated, false);
if (emitSignals(reply)) {
emit reply->readyRead();
// make sure that the reply is valid
if (channels[i].reply != reply)
return true;
// emit dataReadProgress signal (signal is currently not connected
// to the rest of QNAM) since readProgress of the
// QNonContiguousByteDevice is used
emit reply->dataReadProgress(reply->d_func()->totalProgress, 0);
// make sure that the reply is valid
if (channels[i].reply != reply)
return true;
}
}
} else {
emitReplyError(socket, reply, QNetworkReply::ProtocolFailure);
return false;
}
}
return true;
}
#endif
void QHttpNetworkConnectionPrivate::receiveReply(QAbstractSocket *socket, QHttpNetworkReply *reply)
{
Q_ASSERT(socket);
Q_Q(QHttpNetworkConnection);
qint64 bytes = 0;
QAbstractSocket::SocketState state = socket->state();
int i = indexOf(socket);
// connection might be closed to signal the end of data
if (state == QAbstractSocket::UnconnectedState) {
if (!socket->bytesAvailable()) {
if (reply && reply->d_func()->state == QHttpNetworkReplyPrivate::ReadingDataState) {
reply->d_func()->state = QHttpNetworkReplyPrivate::AllDoneState;
channels[i].state = IdleState;
allDone(socket, reply);
} else {
// try to reconnect/resend before sending an error.
if (channels[i].reconnectAttempts-- > 0) {
resendCurrentRequest(socket);
} else {
reply->d_func()->errorString = errorDetail(QNetworkReply::RemoteHostClosedError, socket);
emit reply->finishedWithError(QNetworkReply::RemoteHostClosedError, reply->d_func()->errorString);
QMetaObject::invokeMethod(q, "_q_startNextRequest", Qt::QueuedConnection);
}
}
}
}
// read loop for the response
while (socket->bytesAvailable()) {
QHttpNetworkReplyPrivate::ReplyState state = reply ? reply->d_func()->state : QHttpNetworkReplyPrivate::AllDoneState;
switch (state) {
case QHttpNetworkReplyPrivate::NothingDoneState:
case QHttpNetworkReplyPrivate::ReadingStatusState: {
qint64 statusBytes = reply->d_func()->readStatus(socket);
if (statusBytes == -1) {
// error reading the status, close the socket and emit error
socket->close();
reply->d_func()->errorString = errorDetail(QNetworkReply::ProtocolFailure, socket);
emit reply->finishedWithError(QNetworkReply::ProtocolFailure, reply->d_func()->errorString);
QMetaObject::invokeMethod(q, "_q_startNextRequest", Qt::QueuedConnection);
break;
}
bytes += statusBytes;
channels[i].lastStatus = reply->d_func()->statusCode;
break;
}
case QHttpNetworkReplyPrivate::ReadingHeaderState:
bytes += reply->d_func()->readHeader(socket);
if (reply->d_func()->state == QHttpNetworkReplyPrivate::ReadingDataState) {
if (reply->d_func()->isGzipped() && reply->d_func()->autoDecompress) {
// remove the Content-Length from header
reply->d_func()->removeAutoDecompressHeader();
} else {
reply->d_func()->autoDecompress = false;
}
if (reply && reply->d_func()->statusCode == 100) {
reply->d_func()->state = QHttpNetworkReplyPrivate::ReadingStatusState;
break; // ignore
}
if (emitSignals(reply))
emit reply->headerChanged();
if (!expectContent(reply)) {
reply->d_func()->state = QHttpNetworkReplyPrivate::AllDoneState;
channels[i].state = IdleState;
allDone(socket, reply);
return;
}
}
break;
case QHttpNetworkReplyPrivate::ReadingDataState: {
QBuffer fragment;
fragment.open(QIODevice::WriteOnly);
bytes = reply->d_func()->readBody(socket, &fragment);
if (bytes) {
appendData(*reply, fragment.data(), reply->d_func()->autoDecompress);
if (!reply->d_func()->autoDecompress) {
reply->d_func()->totalProgress += fragment.size();
if (emitSignals(reply)) {
emit reply->readyRead();
// make sure that the reply is valid
if (channels[i].reply != reply)
return;
// emit dataReadProgress signal (signal is currently not connected
// to the rest of QNAM) since readProgress of the
// QNonContiguousByteDevice is used
emit reply->dataReadProgress(reply->d_func()->totalProgress, reply->d_func()->bodyLength);
// make sure that the reply is valid
if (channels[i].reply != reply)
return;
}
}
#ifndef QT_NO_COMPRESS
else if (!expand(socket, reply, false)) { // expand a chunk if possible
return; // ### expand failed
}
#endif
}
if (reply->d_func()->state == QHttpNetworkReplyPrivate::ReadingDataState)
break;
// everything done, fall through
}
case QHttpNetworkReplyPrivate::AllDoneState:
channels[i].state = IdleState;
allDone(socket, reply);
break;
default:
break;
}
}
}
void QHttpNetworkConnectionPrivate::allDone(QAbstractSocket *socket, QHttpNetworkReply *reply)
{
#ifndef QT_NO_COMPRESS
// expand the whole data.
if (expectContent(reply) && reply->d_func()->autoDecompress && !reply->d_func()->streamEnd)
expand(socket, reply, true); // ### if expand returns false, its an error
#endif
// while handling 401 & 407, we might reset the status code, so save this.
bool emitFinished = emitSignals(reply);
handleStatus(socket, reply);
// ### at this point there should be no more data on the socket
// close if server requested
int i = indexOf(socket);
if (reply->d_func()->connectionCloseEnabled())
closeChannel(i);
// queue the finished signal, this is required since we might send new requests from
// slot connected to it. The socket will not fire readyRead signal, if we are already
// in the slot connected to readyRead
if (emitFinished)
QMetaObject::invokeMethod(reply, "finished", Qt::QueuedConnection);
// reset the reconnection attempts after we receive a complete reply.
// in case of failures, each channel will attempt two reconnects before emitting error.
channels[i].reconnectAttempts = 2;
}
void QHttpNetworkConnectionPrivate::handleStatus(QAbstractSocket *socket, QHttpNetworkReply *reply)
{
Q_ASSERT(socket);
Q_ASSERT(reply);
Q_Q(QHttpNetworkConnection);
int statusCode = reply->statusCode();
bool resend = false;
switch (statusCode) {
case 401:
case 407:
if (handleAuthenticateChallenge(socket, reply, (statusCode == 407), resend)) {
if (resend) {
int i = indexOf(socket);
QNonContiguousByteDevice* uploadByteDevice = channels[i].request.uploadByteDevice();
if (uploadByteDevice) {
if (uploadByteDevice->reset()) {
channels[i].written = 0;
} else {
emitReplyError(socket, reply, QNetworkReply::ContentReSendError);
break;
}
}
eraseData(reply);
// also use async _q_startNextRequest so we dont break with closed
// proxy or server connections..
channels[i].resendCurrent = true;
QMetaObject::invokeMethod(q, "_q_startNextRequest", Qt::QueuedConnection);
}
} else {
int i = indexOf(socket);
emit channels[i].reply->headerChanged();
emit channels[i].reply->readyRead();
QNetworkReply::NetworkError errorCode = (statusCode == 407)
? QNetworkReply::ProxyAuthenticationRequiredError
: QNetworkReply::AuthenticationRequiredError;
reply->d_func()->errorString = errorDetail(errorCode, socket);
emit q->error(errorCode, reply->d_func()->errorString);
emit channels[i].reply->finished();
}
break;
default:
QMetaObject::invokeMethod(q, "_q_startNextRequest", Qt::QueuedConnection);
}
}
void QHttpNetworkConnectionPrivate::copyCredentials(int fromChannel, QAuthenticator *auth, bool isProxy)
{
Q_ASSERT(auth);
// select another channel
QAuthenticator* otherAuth = 0;
for (int i = 0; i < channelCount; ++i) {
if (i == fromChannel)
continue;
if (isProxy)
otherAuth = &channels[i].proxyAuthenticator;
else
otherAuth = &channels[i].authenticator;
// if the credentials are different, copy them
if (otherAuth->user().compare(auth->user()))
otherAuth->setUser(auth->user());
if (otherAuth->password().compare(auth->password()))
otherAuth->setPassword(auth->password());
}
}
bool QHttpNetworkConnectionPrivate::handleAuthenticateChallenge(QAbstractSocket *socket, QHttpNetworkReply *reply,
bool isProxy, bool &resend)
{
Q_ASSERT(socket);
Q_ASSERT(reply);
Q_Q(QHttpNetworkConnection);
resend = false;
//create the response header to be used with QAuthenticatorPrivate.
QHttpResponseHeader responseHeader;
QList<QPair<QByteArray, QByteArray> > fields = reply->header();
QList<QPair<QByteArray, QByteArray> >::const_iterator it = fields.constBegin();
while (it != fields.constEnd()) {
responseHeader.addValue(QString::fromLatin1(it->first), QString::fromUtf8(it->second));
it++;
}
//find out the type of authentication protocol requested.
QAuthenticatorPrivate::Method authMethod = reply->d_func()->authenticationMethod(isProxy);
if (authMethod != QAuthenticatorPrivate::None) {
int i = indexOf(socket);
//Use a single authenticator for all domains. ### change later to use domain/realm
QAuthenticator* auth = 0;
if (isProxy) {
auth = &channels[i].proxyAuthenticator;
channels[i].proxyAuthMehtod = authMethod;
} else {
auth = &channels[i].authenticator;
channels[i].authMehtod = authMethod;
}
//proceed with the authentication.
if (auth->isNull())
auth->detach();
QAuthenticatorPrivate *priv = QAuthenticatorPrivate::getPrivate(*auth);
priv->parseHttpResponse(responseHeader, isProxy);
if (priv->phase == QAuthenticatorPrivate::Done) {
if ((isProxy && pendingProxyAuthSignal) ||(!isProxy && pendingAuthSignal)) {
// drop the request
eraseData(channels[i].reply);
closeChannel(i);
channels[i].lastStatus = 0;
channels[i].state = Wait4AuthState;
return false;
}
// cannot use this socket until the slot returns
channels[i].state = WaitingState;
socket->blockSignals(true);
if (!isProxy) {
pendingAuthSignal = true;
emit q->authenticationRequired(reply->request(), auth, q);
pendingAuthSignal = false;
#ifndef QT_NO_NETWORKPROXY
} else {
pendingProxyAuthSignal = true;
emit q->proxyAuthenticationRequired(networkProxy, auth, q);
pendingProxyAuthSignal = false;
#endif
}
socket->blockSignals(false);
// socket free to use
channels[i].state = IdleState;
if (priv->phase != QAuthenticatorPrivate::Done) {
// send any pending requests
copyCredentials(i, auth, isProxy);
QMetaObject::invokeMethod(q, "_q_restartPendingRequest", Qt::QueuedConnection);
}
}
// changing values in QAuthenticator will reset the 'phase'
if (priv->phase == QAuthenticatorPrivate::Done) {
// authentication is cancelled, send the current contents to the user.
emit channels[i].reply->headerChanged();
emit channels[i].reply->readyRead();
QNetworkReply::NetworkError errorCode =
isProxy
? QNetworkReply::ProxyAuthenticationRequiredError
: QNetworkReply::AuthenticationRequiredError;
reply->d_func()->errorString = errorDetail(errorCode, socket);
emit q->error(errorCode, reply->d_func()->errorString);
emit channels[i].reply->finished();
// ### at this point the reply could be deleted
socket->close();
// remove pending request on the other channels
for (int j = 0; j < channelCount; ++j) {
if (j != i && channels[j].state == Wait4AuthState)
channels[j].state = IdleState;
}
return true;
}
//resend the request
resend = true;
return true;
}
return false;
}
void QHttpNetworkConnectionPrivate::createAuthorization(QAbstractSocket *socket, QHttpNetworkRequest &request)
{
Q_ASSERT(socket);
int i = indexOf(socket);
if (channels[i].authMehtod != QAuthenticatorPrivate::None) {
if (!(channels[i].authMehtod == QAuthenticatorPrivate::Ntlm && channels[i].lastStatus != 401)) {
QAuthenticatorPrivate *priv = QAuthenticatorPrivate::getPrivate(channels[i].authenticator);
if (priv && priv->method != QAuthenticatorPrivate::None) {
QByteArray response = priv->calculateResponse(request.d->methodName(), request.d->uri(false));
request.setHeaderField("authorization", response);
}
}
}
if (channels[i].proxyAuthMehtod != QAuthenticatorPrivate::None) {
if (!(channels[i].proxyAuthMehtod == QAuthenticatorPrivate::Ntlm && channels[i].lastStatus != 407)) {
QAuthenticatorPrivate *priv = QAuthenticatorPrivate::getPrivate(channels[i].proxyAuthenticator);
if (priv && priv->method != QAuthenticatorPrivate::None) {
QByteArray response = priv->calculateResponse(request.d->methodName(), request.d->uri(false));
request.setHeaderField("proxy-authorization", response);
}
}
}
}
QHttpNetworkReply* QHttpNetworkConnectionPrivate::queueRequest(const QHttpNetworkRequest &request)
{
Q_Q(QHttpNetworkConnection);
// The reply component of the pair is created initially.
QHttpNetworkReply *reply = new QHttpNetworkReply(request.url());
reply->setRequest(request);
reply->d_func()->connection = q;
HttpMessagePair pair = qMakePair(request, reply);
switch (request.priority()) {
case QHttpNetworkRequest::HighPriority:
highPriorityQueue.prepend(pair);
break;
case QHttpNetworkRequest::NormalPriority:
case QHttpNetworkRequest::LowPriority:
lowPriorityQueue.prepend(pair);
break;
}
QMetaObject::invokeMethod(q, "_q_startNextRequest", Qt::QueuedConnection);
return reply;
}
void QHttpNetworkConnectionPrivate::unqueueRequest(QAbstractSocket *socket)
{
Q_ASSERT(socket);
int i = indexOf(socket);
if (!highPriorityQueue.isEmpty()) {
for (int j = highPriorityQueue.count() - 1; j >= 0; --j) {
HttpMessagePair &messagePair = highPriorityQueue[j];
if (!messagePair.second->d_func()->requestIsPrepared)
prepareRequest(messagePair);
if (!messagePair.second->d_func()->requestIsBuffering) {
channels[i].request = messagePair.first;
channels[i].reply = messagePair.second;
sendRequest(socket);
highPriorityQueue.removeAt(j);
return;
}
}
}
if (!lowPriorityQueue.isEmpty()) {
for (int j = lowPriorityQueue.count() - 1; j >= 0; --j) {
HttpMessagePair &messagePair = lowPriorityQueue[j];
if (!messagePair.second->d_func()->requestIsPrepared)
prepareRequest(messagePair);
if (!messagePair.second->d_func()->requestIsBuffering) {
channels[i].request = messagePair.first;
channels[i].reply = messagePair.second;
sendRequest(socket);
lowPriorityQueue.removeAt(j);
return;
}
}
}
}
void QHttpNetworkConnectionPrivate::closeChannel(int channel)
{
QAbstractSocket *socket = channels[channel].socket;
socket->blockSignals(true);
socket->close();
socket->blockSignals(false);
channels[channel].state = IdleState;
}
void QHttpNetworkConnectionPrivate::resendCurrentRequest(QAbstractSocket *socket)
{
Q_Q(QHttpNetworkConnection);
Q_ASSERT(socket);
int i = indexOf(socket);
closeChannel(i);
channels[i].resendCurrent = true;
QMetaObject::invokeMethod(q, "_q_startNextRequest", Qt::QueuedConnection);
}
QString QHttpNetworkConnectionPrivate::errorDetail(QNetworkReply::NetworkError errorCode, QAbstractSocket* socket)
{
Q_ASSERT(socket);
QString errorString;
switch (errorCode) {
case QNetworkReply::HostNotFoundError:
errorString = QString::fromLatin1(QT_TRANSLATE_NOOP("QHttp", "Host %1 not found"))
.arg(socket->peerName());
break;
case QNetworkReply::ConnectionRefusedError:
errorString = QLatin1String(QT_TRANSLATE_NOOP("QHttp", "Connection refused"));
break;
case QNetworkReply::RemoteHostClosedError:
errorString = QLatin1String(QT_TRANSLATE_NOOP("QHttp", "Connection closed"));
break;
case QNetworkReply::TimeoutError:
errorString = QLatin1String(QT_TRANSLATE_NOOP("QHttp", "HTTP request failed"));
break;
case QNetworkReply::ProxyAuthenticationRequiredError:
errorString = QLatin1String(QT_TRANSLATE_NOOP("QHttp", "Proxy requires authentication"));
break;
case QNetworkReply::AuthenticationRequiredError:
errorString = QLatin1String(QT_TRANSLATE_NOOP("QHttp", "Host requires authentication"));
break;
case QNetworkReply::ProtocolFailure:
errorString = QLatin1String(QT_TRANSLATE_NOOP("QHttp", "Data corrupted"));
break;
case QNetworkReply::ProtocolUnknownError:
errorString = QLatin1String(QT_TRANSLATE_NOOP("QHttp", "Unknown protocol specified"));
break;
case QNetworkReply::SslHandshakeFailedError:
errorString = QLatin1String(QT_TRANSLATE_NOOP("QHttp", "SSL handshake failed"));
break;
default:
// all other errors are treated as QNetworkReply::UnknownNetworkError
errorString = QLatin1String(QT_TRANSLATE_NOOP("QHttp", "HTTP request failed"));
break;
}
return errorString;
}
void QHttpNetworkConnectionPrivate::removeReply(QHttpNetworkReply *reply)
{
Q_Q(QHttpNetworkConnection);
// remove the from active list.
for (int i = 0; i < channelCount; ++i) {
if (channels[i].reply == reply) {
channels[i].reply = 0;
closeChannel(i);
QMetaObject::invokeMethod(q, "_q_startNextRequest", Qt::QueuedConnection);
return;
}
}
// remove from the high priority queue
if (!highPriorityQueue.isEmpty()) {
for (int j = highPriorityQueue.count() - 1; j >= 0; --j) {
HttpMessagePair messagePair = highPriorityQueue.at(j);
if (messagePair.second == reply) {
highPriorityQueue.removeAt(j);
QMetaObject::invokeMethod(q, "_q_startNextRequest", Qt::QueuedConnection);
return;
}
}
}
// remove from the low priority queue
if (!lowPriorityQueue.isEmpty()) {
for (int j = lowPriorityQueue.count() - 1; j >= 0; --j) {
HttpMessagePair messagePair = lowPriorityQueue.at(j);
if (messagePair.second == reply) {
lowPriorityQueue.removeAt(j);
QMetaObject::invokeMethod(q, "_q_startNextRequest", Qt::QueuedConnection);
return;
}
}
}
}
//private slots
void QHttpNetworkConnectionPrivate::_q_readyRead()
{
Q_Q(QHttpNetworkConnection);
QAbstractSocket *socket = qobject_cast<QAbstractSocket*>(q->sender());
if (!socket)
return; // ### error
if (isSocketWaiting(socket) || isSocketReading(socket)) {
int i = indexOf(socket);
channels[i].state = ReadingState;
if (channels[i].reply)
receiveReply(socket, channels[i].reply);
}
// ### error
}
void QHttpNetworkConnectionPrivate::_q_bytesWritten(qint64 bytes)
{
Q_UNUSED(bytes);
Q_Q(QHttpNetworkConnection);
QAbstractSocket *socket = qobject_cast<QAbstractSocket*>(q->sender());
if (!socket)
return; // ### error
// bytes have been written to the socket. write even more of them :)
if (isSocketWriting(socket))
sendRequest(socket);
// otherwise we do nothing
}
void QHttpNetworkConnectionPrivate::_q_disconnected()
{
Q_Q(QHttpNetworkConnection);
QAbstractSocket *socket = qobject_cast<QAbstractSocket*>(q->sender());
if (!socket)
return; // ### error
// read the available data before closing
int i = indexOf(socket);
if (isSocketWaiting(socket) || isSocketReading(socket)) {
channels[i].state = ReadingState;
if (channels[i].reply)
receiveReply(socket, channels[i].reply);
} else if (channels[i].state == IdleState && channels[i].resendCurrent) {
// re-sending request because the socket was in ClosingState
QMetaObject::invokeMethod(q, "_q_startNextRequest", Qt::QueuedConnection);
}
channels[i].state = IdleState;
}
void QHttpNetworkConnectionPrivate::_q_startNextRequest()
{
// send the current request again
if (channels[0].resendCurrent || channels[1].resendCurrent) {
int i = channels[0].resendCurrent ? 0:1;
QAbstractSocket *socket = channels[i].socket;
channels[i].resendCurrent = false;
channels[i].state = IdleState;
if (channels[i].reply)
sendRequest(socket);
return;
}
// send the request using the idle socket
QAbstractSocket *socket = channels[0].socket;
if (isSocketBusy(socket)) {
socket = (isSocketBusy(channels[1].socket) ? 0 :channels[1].socket);
}
if (!socket) {
return; // this will be called after finishing current request.
}
unqueueRequest(socket);
}
void QHttpNetworkConnectionPrivate::_q_restartPendingRequest()
{
// send the request using the idle socket
for (int i = 0 ; i < channelCount; ++i) {
QAbstractSocket *socket = channels[i].socket;
if (channels[i].state == Wait4AuthState) {
channels[i].state = IdleState;
if (channels[i].reply)
sendRequest(socket);
}
}
}
void QHttpNetworkConnectionPrivate::_q_connected()
{
Q_Q(QHttpNetworkConnection);
QAbstractSocket *socket = qobject_cast<QAbstractSocket*>(q->sender());
if (!socket)
return; // ### error
int i = indexOf(socket);
// ### FIXME: if the server closes the connection unexpectedly, we shouldn't send the same broken request again!
//channels[i].reconnectAttempts = 2;
if (!channels[i].pendingEncrypt) {
channels[i].state = IdleState;
if (channels[i].reply)
sendRequest(socket);
else
closeChannel(i);
}
}
void QHttpNetworkConnectionPrivate::_q_error(QAbstractSocket::SocketError socketError)
{
Q_Q(QHttpNetworkConnection);
QAbstractSocket *socket = qobject_cast<QAbstractSocket*>(q->sender());
if (!socket)
return;
bool send2Reply = false;
int i = indexOf(socket);
QNetworkReply::NetworkError errorCode = QNetworkReply::UnknownNetworkError;
switch (socketError) {
case QAbstractSocket::HostNotFoundError:
errorCode = QNetworkReply::HostNotFoundError;
break;
case QAbstractSocket::ConnectionRefusedError:
errorCode = QNetworkReply::ConnectionRefusedError;
break;
case QAbstractSocket::RemoteHostClosedError:
// try to reconnect/resend before sending an error.
// while "Reading" the _q_disconnected() will handle this.
if (channels[i].state != IdleState && channels[i].state != ReadingState) {
if (channels[i].reconnectAttempts-- > 0) {
resendCurrentRequest(socket);
return;
} else {
send2Reply = true;
errorCode = QNetworkReply::RemoteHostClosedError;
}
} else {
return;
}
break;
case QAbstractSocket::SocketTimeoutError:
// try to reconnect/resend before sending an error.
if (channels[i].state == WritingState && (channels[i].reconnectAttempts-- > 0)) {
resendCurrentRequest(socket);
return;
}
send2Reply = true;
errorCode = QNetworkReply::TimeoutError;
break;
case QAbstractSocket::ProxyAuthenticationRequiredError:
errorCode = QNetworkReply::ProxyAuthenticationRequiredError;
break;
case QAbstractSocket::SslHandshakeFailedError:
errorCode = QNetworkReply::SslHandshakeFailedError;
break;
default:
// all other errors are treated as NetworkError
errorCode = QNetworkReply::UnknownNetworkError;
break;
}
QPointer<QObject> that = q;
QString errorString = errorDetail(errorCode, socket);
if (send2Reply) {
if (channels[i].reply) {
channels[i].reply->d_func()->errorString = errorString;
// this error matters only to this reply
emit channels[i].reply->finishedWithError(errorCode, errorString);
}
// send the next request
QMetaObject::invokeMethod(that, "_q_startNextRequest", Qt::QueuedConnection);
} else {
// the failure affects all requests.
emit q->error(errorCode, errorString);
}
if (that) //signals make enter the event loop
closeChannel(i);
}
#ifndef QT_NO_NETWORKPROXY
void QHttpNetworkConnectionPrivate::_q_proxyAuthenticationRequired(const QNetworkProxy &proxy, QAuthenticator* auth)
{
Q_Q(QHttpNetworkConnection);
emit q->proxyAuthenticationRequired(proxy, auth, q);
}
#endif
void QHttpNetworkConnectionPrivate::_q_uploadDataReadyRead()
{
Q_Q(QHttpNetworkConnection);
// upload data emitted readyRead()
// find out which channel it is for
QObject *sender = q->sender();
for (int i = 0; i < channelCount; ++i) {
if (sender == channels[i].request.uploadByteDevice()) {
sendRequest(channels[i].socket);
break;
}
}
}
QHttpNetworkConnection::QHttpNetworkConnection(const QString &hostName, quint16 port, bool encrypt, QObject *parent)
: QObject(*(new QHttpNetworkConnectionPrivate(hostName, port, encrypt)), parent)
{
Q_D(QHttpNetworkConnection);
d->init();
}
QHttpNetworkConnection::~QHttpNetworkConnection()
{
}
QString QHttpNetworkConnection::hostName() const
{
Q_D(const QHttpNetworkConnection);
return d->hostName;
}
quint16 QHttpNetworkConnection::port() const
{
Q_D(const QHttpNetworkConnection);
return d->port;
}
QHttpNetworkReply* QHttpNetworkConnection::sendRequest(const QHttpNetworkRequest &request)
{
Q_D(QHttpNetworkConnection);
return d->queueRequest(request);
}
void QHttpNetworkConnection::enableEncryption()
{
Q_D(QHttpNetworkConnection);
d->encrypt = true;
}
bool QHttpNetworkConnection::isEncrypted() const
{
Q_D(const QHttpNetworkConnection);
return d->encrypt;
}
void QHttpNetworkConnection::setProxyAuthentication(QAuthenticator *authenticator)
{
Q_D(QHttpNetworkConnection);
for (int i = 0; i < d->channelCount; ++i)
d->channels[i].proxyAuthenticator = *authenticator;
}
void QHttpNetworkConnection::setAuthentication(const QString &domain, QAuthenticator *authenticator)
{
Q_UNUSED(domain); // ### domain ?
Q_D(QHttpNetworkConnection);
for (int i = 0; i < d->channelCount; ++i)
d->channels[i].authenticator = *authenticator;
}
#ifndef QT_NO_NETWORKPROXY
void QHttpNetworkConnection::setCacheProxy(const QNetworkProxy &networkProxy)
{
Q_D(QHttpNetworkConnection);
d->networkProxy = networkProxy;
// update the authenticator
if (!d->networkProxy.user().isEmpty()) {
for (int i = 0; i < d->channelCount; ++i) {
d->channels[i].proxyAuthenticator.setUser(d->networkProxy.user());
d->channels[i].proxyAuthenticator.setPassword(d->networkProxy.password());
}
}
}
QNetworkProxy QHttpNetworkConnection::cacheProxy() const
{
Q_D(const QHttpNetworkConnection);
return d->networkProxy;
}
void QHttpNetworkConnection::setTransparentProxy(const QNetworkProxy &networkProxy)
{
Q_D(QHttpNetworkConnection);
for (int i = 0; i < d->channelCount; ++i)
d->channels[i].socket->setProxy(networkProxy);
}
QNetworkProxy QHttpNetworkConnection::transparentProxy() const
{
Q_D(const QHttpNetworkConnection);
return d->channels[0].socket->proxy();
}
#endif
// SSL support below
#ifndef QT_NO_OPENSSL
void QHttpNetworkConnectionPrivate::_q_encrypted()
{
Q_Q(QHttpNetworkConnection);
QAbstractSocket *socket = qobject_cast<QAbstractSocket*>(q->sender());
if (!socket)
return; // ### error
channels[indexOf(socket)].state = IdleState;
sendRequest(socket);
}
void QHttpNetworkConnectionPrivate::_q_sslErrors(const QList<QSslError> &errors)
{
Q_Q(QHttpNetworkConnection);
QAbstractSocket *socket = qobject_cast<QAbstractSocket*>(q->sender());
if (!socket)
return;
//QNetworkReply::NetworkError errorCode = QNetworkReply::ProtocolFailure;
emit q->sslErrors(errors);
}
QSslConfiguration QHttpNetworkConnectionPrivate::sslConfiguration(const QHttpNetworkReply &reply) const
{
for (int i = 0; i < channelCount; ++i)
if (channels[i].reply == &reply)
return static_cast<QSslSocket *>(channels[0].socket)->sslConfiguration();
return QSslConfiguration(); // pending or done request
}
void QHttpNetworkConnection::setSslConfiguration(const QSslConfiguration &config)
{
Q_D(QHttpNetworkConnection);
// set the config on all channels
for (int i = 0; i < d->channelCount; ++i)
static_cast<QSslSocket *>(d->channels[i].socket)->setSslConfiguration(config);
}
void QHttpNetworkConnection::ignoreSslErrors(int channel)
{
Q_D(QHttpNetworkConnection);
if (channel == -1) { // ignore for all channels
for (int i = 0; i < d->channelCount; ++i) {
static_cast<QSslSocket *>(d->channels[i].socket)->ignoreSslErrors();
d->channels[i].ignoreSSLErrors = true;
}
} else {
static_cast<QSslSocket *>(d->channels[channel].socket)->ignoreSslErrors();
d->channels[channel].ignoreSSLErrors = true;
}
}
#endif //QT_NO_OPENSSL
QT_END_NAMESPACE
#include "moc_qhttpnetworkconnection_p.cpp"
#endif // QT_NO_HTTP
|