summaryrefslogtreecommitdiffstats
path: root/src/network/access/qhttpnetworkreply.cpp
blob: ef4a865dc7560e31797ac819e0af7a616828781e (plain)
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
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (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 http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qhttpnetworkreply_p.h"
#include "qhttpnetworkconnection_p.h"

#include <qbytearraymatcher.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

QHttpNetworkReply::QHttpNetworkReply(const QUrl &url, QObject *parent)
    : QObject(*new QHttpNetworkReplyPrivate(url), parent)
{
}

QHttpNetworkReply::~QHttpNetworkReply()
{
    Q_D(QHttpNetworkReply);
    if (d->connection) {
        d->connection->d_func()->removeReply(this);
    }
}

QUrl QHttpNetworkReply::url() const
{
    return d_func()->url;
}
void QHttpNetworkReply::setUrl(const QUrl &url)
{
    Q_D(QHttpNetworkReply);
    d->url = url;
}

qint64 QHttpNetworkReply::contentLength() const
{
    return d_func()->contentLength();
}

void QHttpNetworkReply::setContentLength(qint64 length)
{
    Q_D(QHttpNetworkReply);
    d->setContentLength(length);
}

QList<QPair<QByteArray, QByteArray> > QHttpNetworkReply::header() const
{
    return d_func()->fields;
}

QByteArray QHttpNetworkReply::headerField(const QByteArray &name, const QByteArray &defaultValue) const
{
    return d_func()->headerField(name, defaultValue);
}

void QHttpNetworkReply::setHeaderField(const QByteArray &name, const QByteArray &data)
{
    Q_D(QHttpNetworkReply);
    d->setHeaderField(name, data);
}

void QHttpNetworkReply::parseHeader(const QByteArray &header)
{
    Q_D(QHttpNetworkReply);
    d->parseHeader(header);
}

QHttpNetworkRequest QHttpNetworkReply::request() const
{
    return d_func()->request;
}

void QHttpNetworkReply::setRequest(const QHttpNetworkRequest &request)
{
    Q_D(QHttpNetworkReply);
    d->request = request;
}

int QHttpNetworkReply::statusCode() const
{
    return d_func()->statusCode;
}

void QHttpNetworkReply::setStatusCode(int code)
{
    Q_D(QHttpNetworkReply);
    d->statusCode = code;
}

QString QHttpNetworkReply::errorString() const
{
    return d_func()->errorString;
}

QString QHttpNetworkReply::reasonPhrase() const
{
    return d_func()->reasonPhrase;
}

void QHttpNetworkReply::setErrorString(const QString &error)
{
    Q_D(QHttpNetworkReply);
    d->errorString = error;
}

int QHttpNetworkReply::majorVersion() const
{
    return d_func()->majorVersion;
}

int QHttpNetworkReply::minorVersion() const
{
    return d_func()->minorVersion;
}

qint64 QHttpNetworkReply::bytesAvailable() const
{
    Q_D(const QHttpNetworkReply);
    if (d->connection)
        return d->connection->d_func()->uncompressedBytesAvailable(*this);
    else
        return -1;
}

qint64 QHttpNetworkReply::bytesAvailableNextBlock() const
{
    Q_D(const QHttpNetworkReply);
    if (d->connection)
        return d->connection->d_func()->uncompressedBytesAvailableNextBlock(*this);
    else
        return -1;
}

QByteArray QHttpNetworkReply::read(qint64 maxSize)
{
    Q_D(QHttpNetworkReply);
    QByteArray data;
    if (d->connection)
        d->connection->d_func()->read(*this, data, maxSize);
    return data;
}

bool QHttpNetworkReply::isFinished() const
{
    return d_func()->state == QHttpNetworkReplyPrivate::AllDoneState;
}



QHttpNetworkReplyPrivate::QHttpNetworkReplyPrivate(const QUrl &newUrl)
    : QHttpNetworkHeaderPrivate(newUrl), state(NothingDoneState), statusCode(100),
      majorVersion(0), minorVersion(0), bodyLength(0), contentRead(0), totalProgress(0),
      currentChunkSize(0), currentChunkRead(0), connection(0), initInflate(false),
      autoDecompress(false), requestIsPrepared(false)
{
}

QHttpNetworkReplyPrivate::~QHttpNetworkReplyPrivate()
{
}

void QHttpNetworkReplyPrivate::clear()
{
    state = NothingDoneState;
    statusCode = 100;
    bodyLength = 0;
    contentRead = 0;
    totalProgress = 0;
    currentChunkSize = 0;
    currentChunkRead = 0;
    connection = 0;
#ifndef QT_NO_COMPRESS
    if (initInflate)
        inflateEnd(&inflateStrm);
#endif
    initInflate = false;
    streamEnd = false;
    autoDecompress = false;
    fields.clear();
}

// QHttpNetworkReplyPrivate
qint64 QHttpNetworkReplyPrivate::bytesAvailable() const
{
    return (state != ReadingDataState ? 0 : fragment.size());
}

bool QHttpNetworkReplyPrivate::isGzipped()
{
    QByteArray encoding = headerField("content-encoding");
    return encoding.toLower() == "gzip";
}

void QHttpNetworkReplyPrivate::removeAutoDecompressHeader()
{
    // The header "Content-Encoding  = gzip" is retained.
    // Content-Length is removed since the actual one send by the server is for compressed data
    QByteArray name("content-length");
    QByteArray lowerName = name.toLower();
    QList<QPair<QByteArray, QByteArray> >::Iterator it = fields.begin(),
                                                   end = fields.end();
    while (it != end) {
        if (name == it->first.toLower()) {
            fields.erase(it);
            break;
        }
        ++it;
    }

}

bool QHttpNetworkReplyPrivate::findChallenge(bool forProxy, QByteArray &challenge) const
{
    challenge.clear();
    // find out the type of authentication protocol requested.
    QByteArray header = forProxy ? "proxy-authenticate" : "www-authenticate";
    // pick the best protocol (has to match parsing in QAuthenticatorPrivate)
    QList<QByteArray> challenges = headerFieldValues(header);
    for (int i = 0; i<challenges.size(); i++) {
        QByteArray line = challenges.at(i);
        if (!line.toLower().startsWith("negotiate"))
            challenge = line;
    }
    return !challenge.isEmpty();
}

QAuthenticatorPrivate::Method QHttpNetworkReplyPrivate::authenticationMethod(bool isProxy) const
{
    // The logic is same as the one used in void QAuthenticatorPrivate::parseHttpResponse()
    QAuthenticatorPrivate::Method method = QAuthenticatorPrivate::None;
    QByteArray header = isProxy ? "proxy-authenticate" : "www-authenticate";
    QList<QByteArray> challenges = headerFieldValues(header);
    for (int i = 0; i<challenges.size(); i++) {
        QByteArray line = challenges.at(i).trimmed().toLower();
        if (method < QAuthenticatorPrivate::Basic
            && line.startsWith("basic")) {
            method = QAuthenticatorPrivate::Basic;
        } else if (method < QAuthenticatorPrivate::Ntlm
            && line.startsWith("ntlm")) {
            method = QAuthenticatorPrivate::Ntlm;
        } else if (method < QAuthenticatorPrivate::DigestMd5
            && line.startsWith("digest")) {
            method = QAuthenticatorPrivate::DigestMd5;
        }
    }
    return method;
}

#ifndef QT_NO_COMPRESS
bool QHttpNetworkReplyPrivate::gzipCheckHeader(QByteArray &content, int &pos)
{
    int method = 0; // method byte
    int flags = 0;  // flags byte
    bool ret = false;

    // Assure two bytes in the buffer so we can peek ahead -- handle case
    // where first byte of header is at the end of the buffer after the last
    // gzip segment
    pos = -1;
    QByteArray &body = content;
    int maxPos = body.size()-1;
    if (maxPos < 1) {
        return ret;
    }

    // Peek ahead to check the gzip magic header
    if (body[0] != char(gz_magic[0]) ||
        body[1] != char(gz_magic[1])) {
        return ret;
    }
    pos += 2;
    // Check the rest of the gzip header
    if (++pos <= maxPos)
        method = body[pos];
    if (pos++ <= maxPos)
        flags = body[pos];
    if (method != Z_DEFLATED || (flags & RESERVED) != 0) {
        return ret;
    }

    // Discard time, xflags and OS code:
    pos += 6;
    if (pos > maxPos)
        return ret;
    if ((flags & EXTRA_FIELD) && ((pos+2) <= maxPos)) { // skip the extra field
        unsigned len =  (unsigned)body[++pos];
        len += ((unsigned)body[++pos])<<8;
        pos += len;
        if (pos > maxPos)
            return ret;
    }
    if ((flags & ORIG_NAME) != 0) { // skip the original file name
        while(++pos <= maxPos && body[pos]) {}
    }
    if ((flags & COMMENT) != 0) {   // skip the .gz file comment
        while(++pos <= maxPos && body[pos]) {}
    }
    if ((flags & HEAD_CRC) != 0) {  // skip the header crc
        pos += 2;
        if (pos > maxPos)
            return ret;
    }
    ret = (pos < maxPos); // return failed, if no more bytes left
    return ret;
}

int QHttpNetworkReplyPrivate::gunzipBodyPartially(QByteArray &compressed, QByteArray &inflated)
{
    int ret = Z_DATA_ERROR;
    unsigned have;
    unsigned char out[CHUNK];
    int pos = -1;

    if (!initInflate) {
        // check the header
        if (!gzipCheckHeader(compressed, pos))
            return ret;
        // allocate inflate state
        inflateStrm.zalloc = Z_NULL;
        inflateStrm.zfree = Z_NULL;
        inflateStrm.opaque = Z_NULL;
        inflateStrm.avail_in = 0;
        inflateStrm.next_in = Z_NULL;
        ret = inflateInit2(&inflateStrm, -MAX_WBITS);
        if (ret != Z_OK)
            return ret;
        initInflate = true;
        streamEnd = false;
    }

    //remove the header.
    compressed.remove(0, pos+1);
    // expand until deflate stream ends
    inflateStrm.next_in = (unsigned char *)compressed.data();
    inflateStrm.avail_in = compressed.size();
    do {
        inflateStrm.avail_out = sizeof(out);
        inflateStrm.next_out = out;
        ret = inflate(&inflateStrm, Z_NO_FLUSH);
        switch (ret) {
        case Z_NEED_DICT:
            ret = Z_DATA_ERROR;
            // and fall through
        case Z_DATA_ERROR:
        case Z_MEM_ERROR:
            inflateEnd(&inflateStrm);
            initInflate = false;
            return ret;
        }
        have = sizeof(out) - inflateStrm.avail_out;
        inflated.append(QByteArray((const char *)out, have));
     } while (inflateStrm.avail_out == 0);
    // clean up and return
    if (ret <= Z_ERRNO || ret == Z_STREAM_END) {
        inflateEnd(&inflateStrm);
        initInflate = false;
    }
    streamEnd = (ret == Z_STREAM_END);
    return ret;
}
#endif

qint64 QHttpNetworkReplyPrivate::readStatus(QAbstractSocket *socket)
{
    qint64 bytes = 0;
    char c;

    while (socket->bytesAvailable()) {
        // allow both CRLF & LF (only) line endings
        if (socket->peek(&c, 1) == 1 && c == '\n') {
            bytes += socket->read(&c, 1); // read the "n"
            // remove the CR at the end
            if (fragment.endsWith('\r')) {
                fragment.truncate(fragment.length()-1);
            }
            bool ok = parseStatus(fragment);
            state = ReadingHeaderState;
            fragment.clear(); // next fragment

            if (!ok)
                return -1;
            break;
        } else {
            c = 0;
            bytes += socket->read(&c, 1);
            fragment.append(c);
        }

        // is this a valid reply?
        if (fragment.length() >= 5 && !fragment.startsWith("HTTP/"))
            return -1;

    }

    return bytes;
}

bool QHttpNetworkReplyPrivate::parseStatus(const QByteArray &status)
{
    // from RFC 2616:
    //        Status-Line = HTTP-Version SP Status-Code SP Reason-Phrase CRLF
    //        HTTP-Version   = "HTTP" "/" 1*DIGIT "." 1*DIGIT
    // that makes: 'HTTP/n.n xxx Message'
    // byte count:  0123456789012

    static const int minLength = 11;
    static const int dotPos = 6;
    static const int spacePos = 8;
    static const char httpMagic[] = "HTTP/";

    if (status.length() < minLength
        || !status.startsWith(httpMagic)
        || status.at(dotPos) != '.'
        || status.at(spacePos) != ' ') {
        // I don't know how to parse this status line
        return false;
    }

    // optimize for the valid case: defer checking until the end
    majorVersion = status.at(dotPos - 1) - '0';
    minorVersion = status.at(dotPos + 1) - '0';

    int i = spacePos;
    int j = status.indexOf(' ', i + 1); // j == -1 || at(j) == ' ' so j+1 == 0 && j+1 <= length()
    const QByteArray code = status.mid(i + 1, j - i - 1);

    bool ok;
    statusCode = code.toInt(&ok);
    reasonPhrase = QString::fromLatin1(status.constData() + j + 1);

    return ok && uint(majorVersion) <= 9 && uint(minorVersion) <= 9;
}

qint64 QHttpNetworkReplyPrivate::readHeader(QAbstractSocket *socket)
{
    qint64 bytes = 0;
    char c = 0;
    bool allHeaders = false;
    while (!allHeaders && socket->bytesAvailable()) {
        if (socket->peek(&c, 1) == 1 && c == '\n') {
            // check for possible header endings. As per HTTP rfc,
            // the header endings will be marked by CRLFCRLF. But
            // we will allow CRLFLF, LFLF & CRLFCRLF
            if (fragment.endsWith("\n\r") || fragment.endsWith('\n'))
                allHeaders = true;
        }
        bytes += socket->read(&c, 1);
        fragment.append(c);
    }
    // we received all headers now parse them
    if (allHeaders) {
        parseHeader(fragment);
        state = ReadingDataState;
        fragment.clear(); // next fragment
        bodyLength = contentLength(); // cache the length
    }
    return bytes;
}

void QHttpNetworkReplyPrivate::parseHeader(const QByteArray &header)
{
    // see rfc2616, sec 4 for information about HTTP/1.1 headers.
    // allows relaxed parsing here, accepts both CRLF & LF line endings
    const QByteArrayMatcher lf("\n");
    const QByteArrayMatcher colon(":");
    int i = 0;
    while (i < header.count()) {
        int j = colon.indexIn(header, i); // field-name
        if (j == -1)
            break;
        const QByteArray field = header.mid(i, j - i).trimmed();
        j++;
        // any number of LWS is allowed before and after the value
        QByteArray value;
        do {
            i = lf.indexIn(header, j);
            if (i == -1)
                break;
            if (!value.isEmpty())
                value += ' ';
            // check if we have CRLF or only LF
            bool hasCR = (i && header[i-1] == '\r');
            int length = i -(hasCR ? 1: 0) - j;
            value += header.mid(j, length).trimmed();
            j = ++i;
        } while (i < header.count() && (header.at(i) == ' ' || header.at(i) == '\t'));
        if (i == -1)
            break; // something is wrong

        fields.append(qMakePair(field, value));
    }
}

bool QHttpNetworkReplyPrivate::isChunked()
{
    return headerField("transfer-encoding").toLower().contains("chunked");
}

bool QHttpNetworkReplyPrivate::connectionCloseEnabled()
{
    return (headerField("connection").toLower().contains("close") ||
            headerField("proxy-connection").toLower().contains("close"));
}

// note this function can only be used for non-chunked, non-compressed with
// known content length
qint64 QHttpNetworkReplyPrivate::readBodyFast(QAbstractSocket *socket, QRingBuffer *rb)
{   
    quint64 toBeRead = qMin(socket->bytesAvailable(), bodyLength - contentRead);
    char* dst = rb->reserve(toBeRead);
    qint64 haveRead = socket->read(dst, toBeRead);
    if (haveRead == -1) {
        rb->chop(toBeRead);
        return 0; // ### error checking here;
    }

    rb->chop(toBeRead - haveRead);

    if (contentRead + haveRead == bodyLength) {
        state = AllDoneState;
        socket->readAll(); // Read the rest to clean (CRLF) ### will break pipelining
    }

    contentRead += haveRead;
    return haveRead;
}


qint64 QHttpNetworkReplyPrivate::readBody(QAbstractSocket *socket, QIODevice *out)
{
    qint64 bytes = 0;
    if (isChunked()) {
        bytes += readReplyBodyChunked(socket, out); // chunked transfer encoding (rfc 2616, sec 3.6)
    } else if (bodyLength > 0) { // we have a Content-Length
        bytes += readReplyBodyRaw(socket, out, bodyLength - contentRead);
        if (contentRead + bytes == bodyLength)
            state = AllDoneState;
    } else {
        bytes += readReplyBodyRaw(socket, out, socket->bytesAvailable());
    }
    if (state == AllDoneState)
        socket->readAll(); // Read the rest to clean (CRLF) ### will break pipelining
    contentRead += bytes;
    return bytes;
}

qint64 QHttpNetworkReplyPrivate::readReplyBodyRaw(QIODevice *in, QIODevice *out, qint64 size)
{
    qint64 bytes = 0;
    Q_ASSERT(in);
    Q_ASSERT(out);

    int toBeRead = qMin<qint64>(128*1024, qMin<qint64>(size, in->bytesAvailable()));
    QByteArray raw(toBeRead, 0);
    while (size > 0) {
        qint64 read = in->read(raw.data(), raw.size());
        if (read == 0)
            return bytes;
        // ### error checking here
        qint64 written = out->write(raw.data(), read);
        if (written == 0)
            return bytes;
        if (read != written)
            qDebug() << "### read" << read << "written" << written;
        bytes += read;
        size -= read;
        out->waitForBytesWritten(-1); // throttle
    }
    return bytes;

}

qint64 QHttpNetworkReplyPrivate::readReplyBodyChunked(QIODevice *in, QIODevice *out)
{
    qint64 bytes = 0;
    while (in->bytesAvailable()) { // while we can read from input
        // if we are done with the current chunk, get the size of the new chunk
        if (currentChunkRead >= currentChunkSize) {
            currentChunkSize = 0;
            currentChunkRead = 0;
            if (bytes) {
                char crlf[2];
                bytes += in->read(crlf, 2); // read the "\r\n" after the chunk
            }
            bytes += getChunkSize(in, &currentChunkSize);
            if (currentChunkSize == -1)
                break;
        }
        // if the chunk size is 0, end of the stream
        if (currentChunkSize == 0) {
            state = AllDoneState;
            break;
        }
        // otherwise, read data
        qint64 readSize = qMin(in->bytesAvailable(), currentChunkSize - currentChunkRead);
        QByteArray buffer(readSize, 0);
        qint64 read = in->read(buffer.data(), readSize);
        bytes += read;
        currentChunkRead += read;
        qint64 written = out->write(buffer);
        Q_UNUSED(written); // Avoid compile warning when building release
        Q_ASSERT(read == written);
        // ### error checking here
        out->waitForBytesWritten(-1);
    }
    return bytes;
}

qint64 QHttpNetworkReplyPrivate::getChunkSize(QIODevice *in, qint64 *chunkSize)
{
    qint64 bytes = 0;
    char crlf[2];
    *chunkSize = -1;
    int bytesAvailable = in->bytesAvailable();
    while (bytesAvailable > bytes) {
        qint64 sniffedBytes =  in->peek(crlf, 2);
        int fragmentSize = fragment.size();
        // check the next two bytes for a "\r\n", skip blank lines
        if ((fragmentSize && sniffedBytes == 2 && crlf[0] == '\r' && crlf[1] == '\n')
           ||(fragmentSize > 1 && fragment.endsWith('\r')  && crlf[0] == '\n'))
        {
            bytes += in->read(crlf, 1);     // read the \r or \n
            if (crlf[0] == '\r')
                bytes += in->read(crlf, 1); // read the \n
            bool ok = false;
            // ignore the chunk-extension
            fragment = fragment.mid(0, fragment.indexOf(';')).trimmed();
            *chunkSize = fragment.toLong(&ok, 16);
            fragment.clear();
            break; // size done
        } else {
            // read the fragment to the buffer
            char c = 0;
            bytes += in->read(&c, 1);
            fragment.append(c);
        }
    }
    return bytes;
}

// SSL support below
#ifndef QT_NO_OPENSSL

QSslConfiguration QHttpNetworkReply::sslConfiguration() const
{
    Q_D(const QHttpNetworkReply);
    if (d->connection)
        return d->connection->d_func()->sslConfiguration(*this);
    return QSslConfiguration();
}

void QHttpNetworkReply::setSslConfiguration(const QSslConfiguration &config)
{
    Q_D(QHttpNetworkReply);
    if (d->connection)
        d->connection->setSslConfiguration(config);
}

void QHttpNetworkReply::ignoreSslErrors()
{
    Q_D(QHttpNetworkReply);
    if (d->connection)
        d->connection->ignoreSslErrors();
}


#endif //QT_NO_OPENSSL


QT_END_NAMESPACE

#endif // QT_NO_HTTP