| 1 | /****************************************************************************
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| 2 | **
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| 3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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| 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation ([email protected])
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| 6 | **
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| 7 | ** This file is part of the QtNetwork module of the Qt Toolkit.
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| 8 | **
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| 9 | ** $QT_BEGIN_LICENSE:LGPL$
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| 10 | ** Commercial Usage
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| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 12 | ** accordance with the Qt Commercial License Agreement provided with the
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| 13 | ** Software or, alternatively, in accordance with the terms contained in
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| 14 | ** a written agreement between you and Nokia.
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| 15 | **
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| 16 | ** GNU Lesser General Public License Usage
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| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 18 | ** General Public License version 2.1 as published by the Free Software
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| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 20 | ** packaging of this file. Please review the following information to
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| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 23 | **
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| 24 | ** In addition, as a special exception, Nokia gives you certain additional
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| 25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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| 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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| 36 | ** If you have questions regarding the use of this file, please contact
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| 37 | ** Nokia at [email protected].
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| 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | #include "qhttpnetworkreply_p.h"
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| 43 | #include "qhttpnetworkconnection_p.h"
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| 44 |
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| 45 | #include <qbytearraymatcher.h>
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| 46 |
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| 47 | #ifndef QT_NO_HTTP
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| 48 |
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| 49 | #ifndef QT_NO_OPENSSL
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| 50 | # include <QtNetwork/qsslkey.h>
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| 51 | # include <QtNetwork/qsslcipher.h>
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| 52 | # include <QtNetwork/qsslconfiguration.h>
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| 53 | #endif
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| 54 |
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| 55 | QT_BEGIN_NAMESPACE
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| 56 |
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| 57 | QHttpNetworkReply::QHttpNetworkReply(const QUrl &url, QObject *parent)
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| 58 | : QObject(*new QHttpNetworkReplyPrivate(url), parent)
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| 59 | {
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| 60 | }
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| 61 |
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| 62 | QHttpNetworkReply::~QHttpNetworkReply()
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| 63 | {
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| 64 | Q_D(QHttpNetworkReply);
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| 65 | if (d->connection) {
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| 66 | d->connection->d_func()->removeReply(this);
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| 67 | }
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| 68 | }
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| 69 |
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| 70 | QUrl QHttpNetworkReply::url() const
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| 71 | {
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| 72 | return d_func()->url;
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| 73 | }
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| 74 | void QHttpNetworkReply::setUrl(const QUrl &url)
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| 75 | {
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| 76 | Q_D(QHttpNetworkReply);
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| 77 | d->url = url;
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| 78 | }
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| 79 |
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| 80 | qint64 QHttpNetworkReply::contentLength() const
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| 81 | {
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| 82 | return d_func()->contentLength();
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| 83 | }
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| 84 |
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| 85 | void QHttpNetworkReply::setContentLength(qint64 length)
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| 86 | {
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| 87 | Q_D(QHttpNetworkReply);
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| 88 | d->setContentLength(length);
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| 89 | }
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| 90 |
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| 91 | QList<QPair<QByteArray, QByteArray> > QHttpNetworkReply::header() const
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| 92 | {
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| 93 | return d_func()->fields;
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| 94 | }
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| 95 |
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| 96 | QByteArray QHttpNetworkReply::headerField(const QByteArray &name, const QByteArray &defaultValue) const
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| 97 | {
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| 98 | return d_func()->headerField(name, defaultValue);
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| 99 | }
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| 100 |
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| 101 | void QHttpNetworkReply::setHeaderField(const QByteArray &name, const QByteArray &data)
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| 102 | {
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| 103 | Q_D(QHttpNetworkReply);
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| 104 | d->setHeaderField(name, data);
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| 105 | }
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| 106 |
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| 107 | void QHttpNetworkReply::parseHeader(const QByteArray &header)
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| 108 | {
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| 109 | Q_D(QHttpNetworkReply);
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| 110 | d->parseHeader(header);
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| 111 | }
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| 112 |
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| 113 | QHttpNetworkRequest QHttpNetworkReply::request() const
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| 114 | {
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| 115 | return d_func()->request;
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| 116 | }
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| 117 |
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| 118 | void QHttpNetworkReply::setRequest(const QHttpNetworkRequest &request)
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| 119 | {
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| 120 | Q_D(QHttpNetworkReply);
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| 121 | d->request = request;
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| 122 | }
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| 123 |
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| 124 | int QHttpNetworkReply::statusCode() const
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| 125 | {
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| 126 | return d_func()->statusCode;
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| 127 | }
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| 128 |
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| 129 | void QHttpNetworkReply::setStatusCode(int code)
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| 130 | {
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| 131 | Q_D(QHttpNetworkReply);
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| 132 | d->statusCode = code;
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| 133 | }
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| 134 |
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| 135 | QString QHttpNetworkReply::errorString() const
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| 136 | {
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| 137 | return d_func()->errorString;
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| 138 | }
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| 139 |
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| 140 | QString QHttpNetworkReply::reasonPhrase() const
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| 141 | {
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| 142 | return d_func()->reasonPhrase;
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| 143 | }
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| 144 |
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| 145 | void QHttpNetworkReply::setErrorString(const QString &error)
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| 146 | {
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| 147 | Q_D(QHttpNetworkReply);
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| 148 | d->errorString = error;
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| 149 | }
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| 150 |
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| 151 | int QHttpNetworkReply::majorVersion() const
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| 152 | {
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| 153 | return d_func()->majorVersion;
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| 154 | }
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| 155 |
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| 156 | int QHttpNetworkReply::minorVersion() const
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| 157 | {
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| 158 | return d_func()->minorVersion;
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| 159 | }
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| 160 |
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| 161 | qint64 QHttpNetworkReply::bytesAvailable() const
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| 162 | {
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| 163 | Q_D(const QHttpNetworkReply);
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| 164 | if (d->connection)
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| 165 | return d->connection->d_func()->uncompressedBytesAvailable(*this);
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| 166 | else
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| 167 | return -1;
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| 168 | }
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| 169 |
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| 170 | qint64 QHttpNetworkReply::bytesAvailableNextBlock() const
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| 171 | {
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| 172 | Q_D(const QHttpNetworkReply);
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| 173 | if (d->connection)
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| 174 | return d->connection->d_func()->uncompressedBytesAvailableNextBlock(*this);
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| 175 | else
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| 176 | return -1;
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| 177 | }
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| 178 |
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| 179 | QByteArray QHttpNetworkReply::readAny()
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| 180 | {
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| 181 | Q_D(QHttpNetworkReply);
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| 182 | return d->responseData.read();
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| 183 | }
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| 184 |
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| 185 | bool QHttpNetworkReply::isFinished() const
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| 186 | {
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| 187 | return d_func()->state == QHttpNetworkReplyPrivate::AllDoneState;
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| 188 | }
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| 189 |
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| 190 | bool QHttpNetworkReply::isPipeliningUsed() const
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| 191 | {
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| 192 | return d_func()->pipeliningUsed;
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| 193 | }
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| 194 |
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| 195 |
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| 196 | QHttpNetworkReplyPrivate::QHttpNetworkReplyPrivate(const QUrl &newUrl)
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| 197 | : QHttpNetworkHeaderPrivate(newUrl), state(NothingDoneState), statusCode(100),
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| 198 | majorVersion(0), minorVersion(0), bodyLength(0), contentRead(0), totalProgress(0),
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| 199 | chunkedTransferEncoding(false),
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| 200 | connectionCloseEnabled(true),
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| 201 | forceConnectionCloseEnabled(false),
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| 202 | currentChunkSize(0), currentChunkRead(0), connection(0), initInflate(false),
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| 203 | autoDecompress(false), responseData(), requestIsPrepared(false)
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| 204 | ,pipeliningUsed(false)
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| 205 | {
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| 206 | }
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| 207 |
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| 208 | QHttpNetworkReplyPrivate::~QHttpNetworkReplyPrivate()
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| 209 | {
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| 210 | }
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| 211 |
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| 212 | void QHttpNetworkReplyPrivate::clear()
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| 213 | {
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| 214 | state = NothingDoneState;
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| 215 | statusCode = 100;
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| 216 | bodyLength = 0;
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| 217 | contentRead = 0;
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| 218 | totalProgress = 0;
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| 219 | currentChunkSize = 0;
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| 220 | currentChunkRead = 0;
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| 221 | connectionCloseEnabled = true;
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| 222 | connection = 0;
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| 223 | #ifndef QT_NO_COMPRESS
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| 224 | if (initInflate)
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| 225 | inflateEnd(&inflateStrm);
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| 226 | #endif
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| 227 | initInflate = false;
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| 228 | streamEnd = false;
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| 229 | autoDecompress = false;
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| 230 | fields.clear();
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| 231 | }
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| 232 |
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| 233 | // QHttpNetworkReplyPrivate
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| 234 | qint64 QHttpNetworkReplyPrivate::bytesAvailable() const
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| 235 | {
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| 236 | return (state != ReadingDataState ? 0 : fragment.size());
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| 237 | }
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| 238 |
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| 239 | bool QHttpNetworkReplyPrivate::isGzipped()
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| 240 | {
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| 241 | QByteArray encoding = headerField("content-encoding");
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| 242 | return qstricmp(encoding.constData(), "gzip") == 0;
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| 243 | }
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| 244 |
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| 245 | void QHttpNetworkReplyPrivate::removeAutoDecompressHeader()
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| 246 | {
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| 247 | // The header "Content-Encoding = gzip" is retained.
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| 248 | // Content-Length is removed since the actual one send by the server is for compressed data
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| 249 | QByteArray name("content-length");
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| 250 | QList<QPair<QByteArray, QByteArray> >::Iterator it = fields.begin(),
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| 251 | end = fields.end();
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| 252 | while (it != end) {
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| 253 | if (qstricmp(name.constData(), it->first.constData()) == 0) {
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| 254 | fields.erase(it);
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| 255 | break;
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| 256 | }
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| 257 | ++it;
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| 258 | }
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| 259 |
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| 260 | }
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| 261 |
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| 262 | bool QHttpNetworkReplyPrivate::findChallenge(bool forProxy, QByteArray &challenge) const
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| 263 | {
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| 264 | challenge.clear();
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| 265 | // find out the type of authentication protocol requested.
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| 266 | QByteArray header = forProxy ? "proxy-authenticate" : "www-authenticate";
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| 267 | // pick the best protocol (has to match parsing in QAuthenticatorPrivate)
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| 268 | QList<QByteArray> challenges = headerFieldValues(header);
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| 269 | for (int i = 0; i<challenges.size(); i++) {
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| 270 | QByteArray line = challenges.at(i);
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| 271 | // todo use qstrincmp
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| 272 | if (!line.toLower().startsWith("negotiate"))
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| 273 | challenge = line;
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| 274 | }
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| 275 | return !challenge.isEmpty();
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| 276 | }
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| 277 |
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| 278 | QAuthenticatorPrivate::Method QHttpNetworkReplyPrivate::authenticationMethod(bool isProxy) const
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| 279 | {
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| 280 | // The logic is same as the one used in void QAuthenticatorPrivate::parseHttpResponse()
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| 281 | QAuthenticatorPrivate::Method method = QAuthenticatorPrivate::None;
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| 282 | QByteArray header = isProxy ? "proxy-authenticate" : "www-authenticate";
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| 283 | QList<QByteArray> challenges = headerFieldValues(header);
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| 284 | for (int i = 0; i<challenges.size(); i++) {
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| 285 | QByteArray line = challenges.at(i).trimmed().toLower();
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| 286 | if (method < QAuthenticatorPrivate::Basic
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| 287 | && line.startsWith("basic")) {
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| 288 | method = QAuthenticatorPrivate::Basic;
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| 289 | } else if (method < QAuthenticatorPrivate::Ntlm
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| 290 | && line.startsWith("ntlm")) {
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| 291 | method = QAuthenticatorPrivate::Ntlm;
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| 292 | } else if (method < QAuthenticatorPrivate::DigestMd5
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| 293 | && line.startsWith("digest")) {
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| 294 | method = QAuthenticatorPrivate::DigestMd5;
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| 295 | }
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| 296 | }
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| 297 | return method;
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| 298 | }
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| 299 |
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| 300 | #ifndef QT_NO_COMPRESS
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| 301 | bool QHttpNetworkReplyPrivate::gzipCheckHeader(QByteArray &content, int &pos)
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| 302 | {
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| 303 | int method = 0; // method byte
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| 304 | int flags = 0; // flags byte
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| 305 | bool ret = false;
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| 306 |
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| 307 | // Assure two bytes in the buffer so we can peek ahead -- handle case
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| 308 | // where first byte of header is at the end of the buffer after the last
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| 309 | // gzip segment
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| 310 | pos = -1;
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| 311 | QByteArray &body = content;
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| 312 | int maxPos = body.size()-1;
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| 313 | if (maxPos < 1) {
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| 314 | return ret;
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| 315 | }
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| 316 |
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| 317 | // Peek ahead to check the gzip magic header
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| 318 | if (body[0] != char(gz_magic[0]) ||
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| 319 | body[1] != char(gz_magic[1])) {
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| 320 | return ret;
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| 321 | }
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| 322 | pos += 2;
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| 323 | // Check the rest of the gzip header
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| 324 | if (++pos <= maxPos)
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| 325 | method = body[pos];
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| 326 | if (pos++ <= maxPos)
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| 327 | flags = body[pos];
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| 328 | if (method != Z_DEFLATED || (flags & RESERVED) != 0) {
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| 329 | return ret;
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| 330 | }
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| 331 |
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| 332 | // Discard time, xflags and OS code:
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| 333 | pos += 6;
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| 334 | if (pos > maxPos)
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| 335 | return ret;
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| 336 | if ((flags & EXTRA_FIELD) && ((pos+2) <= maxPos)) { // skip the extra field
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| 337 | unsigned len = (unsigned)body[++pos];
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| 338 | len += ((unsigned)body[++pos])<<8;
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| 339 | pos += len;
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| 340 | if (pos > maxPos)
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| 341 | return ret;
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| 342 | }
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| 343 | if ((flags & ORIG_NAME) != 0) { // skip the original file name
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| 344 | while(++pos <= maxPos && body[pos]) {}
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| 345 | }
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| 346 | if ((flags & COMMENT) != 0) { // skip the .gz file comment
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| 347 | while(++pos <= maxPos && body[pos]) {}
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| 348 | }
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| 349 | if ((flags & HEAD_CRC) != 0) { // skip the header crc
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| 350 | pos += 2;
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| 351 | if (pos > maxPos)
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| 352 | return ret;
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| 353 | }
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| 354 | ret = (pos < maxPos); // return failed, if no more bytes left
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| 355 | return ret;
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| 356 | }
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| 357 |
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| 358 | int QHttpNetworkReplyPrivate::gunzipBodyPartially(QByteArray &compressed, QByteArray &inflated)
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| 359 | {
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| 360 | int ret = Z_DATA_ERROR;
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| 361 | unsigned have;
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| 362 | unsigned char out[CHUNK];
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| 363 | int pos = -1;
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| 364 |
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| 365 | if (!initInflate) {
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| 366 | // check the header
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| 367 | if (!gzipCheckHeader(compressed, pos))
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| 368 | return ret;
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| 369 | // allocate inflate state
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| 370 | inflateStrm.zalloc = Z_NULL;
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| 371 | inflateStrm.zfree = Z_NULL;
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| 372 | inflateStrm.opaque = Z_NULL;
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| 373 | inflateStrm.avail_in = 0;
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| 374 | inflateStrm.next_in = Z_NULL;
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| 375 | ret = inflateInit2(&inflateStrm, -MAX_WBITS);
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| 376 | if (ret != Z_OK)
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| 377 | return ret;
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| 378 | initInflate = true;
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| 379 | streamEnd = false;
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| 380 | }
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| 381 |
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| 382 | //remove the header.
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| 383 | compressed.remove(0, pos+1);
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| 384 | // expand until deflate stream ends
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| 385 | inflateStrm.next_in = (unsigned char *)compressed.data();
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| 386 | inflateStrm.avail_in = compressed.size();
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| 387 | do {
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| 388 | inflateStrm.avail_out = sizeof(out);
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| 389 | inflateStrm.next_out = out;
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| 390 | ret = inflate(&inflateStrm, Z_NO_FLUSH);
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| 391 | switch (ret) {
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| 392 | case Z_NEED_DICT:
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| 393 | ret = Z_DATA_ERROR;
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| 394 | // and fall through
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| 395 | case Z_DATA_ERROR:
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| 396 | case Z_MEM_ERROR:
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| 397 | inflateEnd(&inflateStrm);
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| 398 | initInflate = false;
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| 399 | return ret;
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| 400 | }
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| 401 | have = sizeof(out) - inflateStrm.avail_out;
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| 402 | inflated.append(QByteArray((const char *)out, have));
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| 403 | } while (inflateStrm.avail_out == 0);
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| 404 | // clean up and return
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| 405 | if (ret <= Z_ERRNO || ret == Z_STREAM_END) {
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| 406 | inflateEnd(&inflateStrm);
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| 407 | initInflate = false;
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| 408 | }
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| 409 | streamEnd = (ret == Z_STREAM_END);
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| 410 | return ret;
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| 411 | }
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| 412 | #endif
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| 413 |
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| 414 | qint64 QHttpNetworkReplyPrivate::readStatus(QAbstractSocket *socket)
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| 415 | {
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| 416 | qint64 bytes = 0;
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| 417 | char c;
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| 418 |
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| 419 | while (socket->bytesAvailable()) {
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| 420 | // allow both CRLF & LF (only) line endings
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| 421 | if (socket->peek(&c, 1) == 1 && c == '\n') {
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| 422 | bytes += socket->read(&c, 1); // read the "n"
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| 423 | // remove the CR at the end
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| 424 | if (fragment.endsWith('\r')) {
|
|---|
| 425 | fragment.truncate(fragment.length()-1);
|
|---|
| 426 | }
|
|---|
| 427 | bool ok = parseStatus(fragment);
|
|---|
| 428 | state = ReadingHeaderState;
|
|---|
| 429 | fragment.clear();
|
|---|
| 430 | if (!ok) {
|
|---|
| 431 | return -1;
|
|---|
| 432 | }
|
|---|
| 433 | break;
|
|---|
| 434 | } else {
|
|---|
| 435 | c = 0;
|
|---|
| 436 | int haveRead = socket->read(&c, 1);
|
|---|
| 437 | if (haveRead == -1)
|
|---|
| 438 | return -1;
|
|---|
| 439 | bytes += haveRead;
|
|---|
| 440 | fragment.append(c);
|
|---|
| 441 | }
|
|---|
| 442 |
|
|---|
| 443 | // is this a valid reply?
|
|---|
| 444 | if (fragment.length() >= 5 && !fragment.startsWith("HTTP/"))
|
|---|
| 445 | {
|
|---|
| 446 | fragment.clear();
|
|---|
| 447 | return -1;
|
|---|
| 448 | }
|
|---|
| 449 |
|
|---|
| 450 | }
|
|---|
| 451 |
|
|---|
| 452 | return bytes;
|
|---|
| 453 | }
|
|---|
| 454 |
|
|---|
| 455 | bool QHttpNetworkReplyPrivate::parseStatus(const QByteArray &status)
|
|---|
| 456 | {
|
|---|
| 457 | // from RFC 2616:
|
|---|
| 458 | // Status-Line = HTTP-Version SP Status-Code SP Reason-Phrase CRLF
|
|---|
| 459 | // HTTP-Version = "HTTP" "/" 1*DIGIT "." 1*DIGIT
|
|---|
| 460 | // that makes: 'HTTP/n.n xxx Message'
|
|---|
| 461 | // byte count: 0123456789012
|
|---|
| 462 |
|
|---|
| 463 | static const int minLength = 11;
|
|---|
| 464 | static const int dotPos = 6;
|
|---|
| 465 | static const int spacePos = 8;
|
|---|
| 466 | static const char httpMagic[] = "HTTP/";
|
|---|
| 467 |
|
|---|
| 468 | if (status.length() < minLength
|
|---|
| 469 | || !status.startsWith(httpMagic)
|
|---|
| 470 | || status.at(dotPos) != '.'
|
|---|
| 471 | || status.at(spacePos) != ' ') {
|
|---|
| 472 | // I don't know how to parse this status line
|
|---|
| 473 | return false;
|
|---|
| 474 | }
|
|---|
| 475 |
|
|---|
| 476 | // optimize for the valid case: defer checking until the end
|
|---|
| 477 | majorVersion = status.at(dotPos - 1) - '0';
|
|---|
| 478 | minorVersion = status.at(dotPos + 1) - '0';
|
|---|
| 479 |
|
|---|
| 480 | int i = spacePos;
|
|---|
| 481 | int j = status.indexOf(' ', i + 1); // j == -1 || at(j) == ' ' so j+1 == 0 && j+1 <= length()
|
|---|
| 482 | const QByteArray code = status.mid(i + 1, j - i - 1);
|
|---|
| 483 |
|
|---|
| 484 | bool ok;
|
|---|
| 485 | statusCode = code.toInt(&ok);
|
|---|
| 486 | reasonPhrase = QString::fromLatin1(status.constData() + j + 1);
|
|---|
| 487 |
|
|---|
| 488 | return ok && uint(majorVersion) <= 9 && uint(minorVersion) <= 9;
|
|---|
| 489 | }
|
|---|
| 490 |
|
|---|
| 491 | qint64 QHttpNetworkReplyPrivate::readHeader(QAbstractSocket *socket)
|
|---|
| 492 | {
|
|---|
| 493 | qint64 bytes = 0;
|
|---|
| 494 | char c = 0;
|
|---|
| 495 | bool allHeaders = false;
|
|---|
| 496 | while (!allHeaders && socket->bytesAvailable()) {
|
|---|
| 497 | if (socket->peek(&c, 1) == 1 && c == '\n') {
|
|---|
| 498 | // check for possible header endings. As per HTTP rfc,
|
|---|
| 499 | // the header endings will be marked by CRLFCRLF. But
|
|---|
| 500 | // we will allow CRLFLF, LFLF & CRLFCRLF
|
|---|
| 501 | if (fragment.endsWith("\n\r") || fragment.endsWith('\n'))
|
|---|
| 502 | allHeaders = true;
|
|---|
| 503 | }
|
|---|
| 504 | bytes += socket->read(&c, 1);
|
|---|
| 505 | fragment.append(c);
|
|---|
| 506 | }
|
|---|
| 507 | // we received all headers now parse them
|
|---|
| 508 | if (allHeaders) {
|
|---|
| 509 | parseHeader(fragment);
|
|---|
| 510 | state = ReadingDataState;
|
|---|
| 511 | fragment.clear(); // next fragment
|
|---|
| 512 | bodyLength = contentLength(); // cache the length
|
|---|
| 513 |
|
|---|
| 514 | // cache isChunked() since it is called often
|
|---|
| 515 | chunkedTransferEncoding = headerField("transfer-encoding").toLower().contains("chunked");
|
|---|
| 516 |
|
|---|
| 517 | // cache isConnectionCloseEnabled since it is called often
|
|---|
| 518 | QByteArray connectionHeaderField = headerField("connection");
|
|---|
| 519 | // check for explicit indication of close or the implicit connection close of HTTP/1.0
|
|---|
| 520 | connectionCloseEnabled = (connectionHeaderField.toLower().contains("close") ||
|
|---|
| 521 | headerField("proxy-connection").toLower().contains("close")) ||
|
|---|
| 522 | (majorVersion == 1 && minorVersion == 0 && connectionHeaderField.isEmpty());
|
|---|
| 523 | }
|
|---|
| 524 | return bytes;
|
|---|
| 525 | }
|
|---|
| 526 |
|
|---|
| 527 | void QHttpNetworkReplyPrivate::parseHeader(const QByteArray &header)
|
|---|
| 528 | {
|
|---|
| 529 | // see rfc2616, sec 4 for information about HTTP/1.1 headers.
|
|---|
| 530 | // allows relaxed parsing here, accepts both CRLF & LF line endings
|
|---|
| 531 | const QByteArrayMatcher lf("\n");
|
|---|
| 532 | const QByteArrayMatcher colon(":");
|
|---|
| 533 | int i = 0;
|
|---|
| 534 | while (i < header.count()) {
|
|---|
| 535 | int j = colon.indexIn(header, i); // field-name
|
|---|
| 536 | if (j == -1)
|
|---|
| 537 | break;
|
|---|
| 538 | const QByteArray field = header.mid(i, j - i).trimmed();
|
|---|
| 539 | j++;
|
|---|
| 540 | // any number of LWS is allowed before and after the value
|
|---|
| 541 | QByteArray value;
|
|---|
| 542 | do {
|
|---|
| 543 | i = lf.indexIn(header, j);
|
|---|
| 544 | if (i == -1)
|
|---|
| 545 | break;
|
|---|
| 546 | if (!value.isEmpty())
|
|---|
| 547 | value += ' ';
|
|---|
| 548 | // check if we have CRLF or only LF
|
|---|
| 549 | bool hasCR = (i && header[i-1] == '\r');
|
|---|
| 550 | int length = i -(hasCR ? 1: 0) - j;
|
|---|
| 551 | value += header.mid(j, length).trimmed();
|
|---|
| 552 | j = ++i;
|
|---|
| 553 | } while (i < header.count() && (header.at(i) == ' ' || header.at(i) == '\t'));
|
|---|
| 554 | if (i == -1)
|
|---|
| 555 | break; // something is wrong
|
|---|
| 556 |
|
|---|
| 557 | fields.append(qMakePair(field, value));
|
|---|
| 558 | }
|
|---|
| 559 | }
|
|---|
| 560 |
|
|---|
| 561 | bool QHttpNetworkReplyPrivate::isChunked()
|
|---|
| 562 | {
|
|---|
| 563 | return chunkedTransferEncoding;
|
|---|
| 564 | }
|
|---|
| 565 |
|
|---|
| 566 | bool QHttpNetworkReplyPrivate::isConnectionCloseEnabled()
|
|---|
| 567 | {
|
|---|
| 568 | return connectionCloseEnabled || forceConnectionCloseEnabled;
|
|---|
| 569 | }
|
|---|
| 570 |
|
|---|
| 571 | // note this function can only be used for non-chunked, non-compressed with
|
|---|
| 572 | // known content length
|
|---|
| 573 | qint64 QHttpNetworkReplyPrivate::readBodyFast(QAbstractSocket *socket, QByteDataBuffer *rb)
|
|---|
| 574 | {
|
|---|
| 575 | qint64 toBeRead = qMin(socket->bytesAvailable(), bodyLength - contentRead);
|
|---|
| 576 | QByteArray bd;
|
|---|
| 577 | bd.resize(toBeRead);
|
|---|
| 578 | qint64 haveRead = socket->read(bd.data(), bd.size());
|
|---|
| 579 | if (haveRead == -1) {
|
|---|
| 580 | bd.clear();
|
|---|
| 581 | return 0; // ### error checking here;
|
|---|
| 582 | }
|
|---|
| 583 | bd.resize(haveRead);
|
|---|
| 584 |
|
|---|
| 585 | rb->append(bd);
|
|---|
| 586 |
|
|---|
| 587 | if (contentRead + haveRead == bodyLength) {
|
|---|
| 588 | state = AllDoneState;
|
|---|
| 589 | }
|
|---|
| 590 |
|
|---|
| 591 | contentRead += haveRead;
|
|---|
| 592 | return haveRead;
|
|---|
| 593 | }
|
|---|
| 594 |
|
|---|
| 595 |
|
|---|
| 596 | qint64 QHttpNetworkReplyPrivate::readBody(QAbstractSocket *socket, QByteDataBuffer *out)
|
|---|
| 597 | {
|
|---|
| 598 | qint64 bytes = 0;
|
|---|
| 599 | if (isChunked()) {
|
|---|
| 600 | bytes += readReplyBodyChunked(socket, out); // chunked transfer encoding (rfc 2616, sec 3.6)
|
|---|
| 601 | } else if (bodyLength > 0) { // we have a Content-Length
|
|---|
| 602 | bytes += readReplyBodyRaw(socket, out, bodyLength - contentRead);
|
|---|
| 603 | if (contentRead + bytes == bodyLength)
|
|---|
| 604 | state = AllDoneState;
|
|---|
| 605 | } else {
|
|---|
| 606 | bytes += readReplyBodyRaw(socket, out, socket->bytesAvailable());
|
|---|
| 607 | }
|
|---|
| 608 | contentRead += bytes;
|
|---|
| 609 | return bytes;
|
|---|
| 610 | }
|
|---|
| 611 |
|
|---|
| 612 | qint64 QHttpNetworkReplyPrivate::readReplyBodyRaw(QIODevice *in, QByteDataBuffer *out, qint64 size)
|
|---|
| 613 | {
|
|---|
| 614 | qint64 bytes = 0;
|
|---|
| 615 | Q_ASSERT(in);
|
|---|
| 616 | Q_ASSERT(out);
|
|---|
| 617 |
|
|---|
| 618 | int toBeRead = qMin<qint64>(128*1024, qMin<qint64>(size, in->bytesAvailable()));
|
|---|
| 619 | while (toBeRead > 0) {
|
|---|
| 620 | QByteArray byteData;
|
|---|
| 621 | byteData.resize(toBeRead);
|
|---|
| 622 | qint64 haveRead = in->read(byteData.data(), byteData.size());
|
|---|
| 623 | if (haveRead <= 0) {
|
|---|
| 624 | // ### error checking here
|
|---|
| 625 | byteData.clear();
|
|---|
| 626 | return bytes;
|
|---|
| 627 | }
|
|---|
| 628 |
|
|---|
| 629 | byteData.resize(haveRead);
|
|---|
| 630 | out->append(byteData);
|
|---|
| 631 | bytes += haveRead;
|
|---|
| 632 | size -= haveRead;
|
|---|
| 633 |
|
|---|
| 634 | toBeRead = qMin<qint64>(128*1024, qMin<qint64>(size, in->bytesAvailable()));
|
|---|
| 635 | }
|
|---|
| 636 | return bytes;
|
|---|
| 637 |
|
|---|
| 638 | }
|
|---|
| 639 |
|
|---|
| 640 | qint64 QHttpNetworkReplyPrivate::readReplyBodyChunked(QIODevice *in, QByteDataBuffer *out)
|
|---|
| 641 | {
|
|---|
| 642 | qint64 bytes = 0;
|
|---|
| 643 | while (in->bytesAvailable()) { // while we can read from input
|
|---|
| 644 | // if we are done with the current chunk, get the size of the new chunk
|
|---|
| 645 | if (currentChunkRead >= currentChunkSize) {
|
|---|
| 646 | currentChunkSize = 0;
|
|---|
| 647 | currentChunkRead = 0;
|
|---|
| 648 | if (bytes) {
|
|---|
| 649 | char crlf[2];
|
|---|
| 650 | bytes += in->read(crlf, 2); // read the "\r\n" after the chunk
|
|---|
| 651 | }
|
|---|
| 652 | bytes += getChunkSize(in, ¤tChunkSize);
|
|---|
| 653 | if (currentChunkSize == -1)
|
|---|
| 654 | break;
|
|---|
| 655 | }
|
|---|
| 656 | // if the chunk size is 0, end of the stream
|
|---|
| 657 | if (currentChunkSize == 0) {
|
|---|
| 658 | state = AllDoneState;
|
|---|
| 659 | break;
|
|---|
| 660 | }
|
|---|
| 661 |
|
|---|
| 662 | // otherwise, try to read what is missing for this chunk
|
|---|
| 663 | qint64 haveRead = readReplyBodyRaw (in, out, currentChunkSize - currentChunkRead);
|
|---|
| 664 | currentChunkRead += haveRead;
|
|---|
| 665 | bytes += haveRead;
|
|---|
| 666 |
|
|---|
| 667 | // ### error checking here
|
|---|
| 668 |
|
|---|
| 669 | }
|
|---|
| 670 | return bytes;
|
|---|
| 671 | }
|
|---|
| 672 |
|
|---|
| 673 | qint64 QHttpNetworkReplyPrivate::getChunkSize(QIODevice *in, qint64 *chunkSize)
|
|---|
| 674 | {
|
|---|
| 675 | qint64 bytes = 0;
|
|---|
| 676 | char crlf[2];
|
|---|
| 677 | *chunkSize = -1;
|
|---|
| 678 | int bytesAvailable = in->bytesAvailable();
|
|---|
| 679 | while (bytesAvailable > bytes) {
|
|---|
| 680 | qint64 sniffedBytes = in->peek(crlf, 2);
|
|---|
| 681 | int fragmentSize = fragment.size();
|
|---|
| 682 | // check the next two bytes for a "\r\n", skip blank lines
|
|---|
| 683 | if ((fragmentSize && sniffedBytes == 2 && crlf[0] == '\r' && crlf[1] == '\n')
|
|---|
| 684 | ||(fragmentSize > 1 && fragment.endsWith('\r') && crlf[0] == '\n'))
|
|---|
| 685 | {
|
|---|
| 686 | bytes += in->read(crlf, 1); // read the \r or \n
|
|---|
| 687 | if (crlf[0] == '\r')
|
|---|
| 688 | bytes += in->read(crlf, 1); // read the \n
|
|---|
| 689 | bool ok = false;
|
|---|
| 690 | // ignore the chunk-extension
|
|---|
| 691 | fragment = fragment.mid(0, fragment.indexOf(';')).trimmed();
|
|---|
| 692 | *chunkSize = fragment.toLong(&ok, 16);
|
|---|
| 693 | fragment.clear();
|
|---|
| 694 | break; // size done
|
|---|
| 695 | } else {
|
|---|
| 696 | // read the fragment to the buffer
|
|---|
| 697 | char c = 0;
|
|---|
| 698 | bytes += in->read(&c, 1);
|
|---|
| 699 | fragment.append(c);
|
|---|
| 700 | }
|
|---|
| 701 | }
|
|---|
| 702 | return bytes;
|
|---|
| 703 | }
|
|---|
| 704 |
|
|---|
| 705 | void QHttpNetworkReplyPrivate::appendUncompressedReplyData(QByteArray &qba)
|
|---|
| 706 | {
|
|---|
| 707 | responseData.append(qba);
|
|---|
| 708 |
|
|---|
| 709 | // clear the original! helps with implicit sharing and
|
|---|
| 710 | // avoiding memcpy when the user is reading the data
|
|---|
| 711 | qba.clear();
|
|---|
| 712 | }
|
|---|
| 713 |
|
|---|
| 714 | void QHttpNetworkReplyPrivate::appendUncompressedReplyData(QByteDataBuffer &data)
|
|---|
| 715 | {
|
|---|
| 716 | responseData.append(data);
|
|---|
| 717 |
|
|---|
| 718 | // clear the original! helps with implicit sharing and
|
|---|
| 719 | // avoiding memcpy when the user is reading the data
|
|---|
| 720 | data.clear();
|
|---|
| 721 | }
|
|---|
| 722 |
|
|---|
| 723 | void QHttpNetworkReplyPrivate::appendCompressedReplyData(QByteDataBuffer &data)
|
|---|
| 724 | {
|
|---|
| 725 | // Work in progress: Later we will directly use a list of QByteArray or a QRingBuffer
|
|---|
| 726 | // instead of one QByteArray.
|
|---|
| 727 | for(int i = 0; i < data.bufferCount(); i++) {
|
|---|
| 728 | QByteArray &byteData = data[i];
|
|---|
| 729 | compressedData.append(byteData.constData(), byteData.size());
|
|---|
| 730 | }
|
|---|
| 731 | data.clear();
|
|---|
| 732 | }
|
|---|
| 733 |
|
|---|
| 734 |
|
|---|
| 735 | bool QHttpNetworkReplyPrivate::shouldEmitSignals()
|
|---|
| 736 | {
|
|---|
| 737 | // for 401 & 407 don't emit the data signals. Content along with these
|
|---|
| 738 | // responses are send only if the authentication fails.
|
|---|
| 739 | return (statusCode != 401 && statusCode != 407);
|
|---|
| 740 | }
|
|---|
| 741 |
|
|---|
| 742 | bool QHttpNetworkReplyPrivate::expectContent()
|
|---|
| 743 | {
|
|---|
| 744 | // check whether we can expect content after the headers (rfc 2616, sec4.4)
|
|---|
| 745 | if ((statusCode >= 100 && statusCode < 200)
|
|---|
| 746 | || statusCode == 204 || statusCode == 304)
|
|---|
| 747 | return false;
|
|---|
| 748 | if (request.operation() == QHttpNetworkRequest::Head)
|
|---|
| 749 | return !shouldEmitSignals();
|
|---|
| 750 | if (contentLength() == 0)
|
|---|
| 751 | return false;
|
|---|
| 752 | return true;
|
|---|
| 753 | }
|
|---|
| 754 |
|
|---|
| 755 | void QHttpNetworkReplyPrivate::eraseData()
|
|---|
| 756 | {
|
|---|
| 757 | compressedData.clear();
|
|---|
| 758 | responseData.clear();
|
|---|
| 759 | }
|
|---|
| 760 |
|
|---|
| 761 |
|
|---|
| 762 | // SSL support below
|
|---|
| 763 | #ifndef QT_NO_OPENSSL
|
|---|
| 764 |
|
|---|
| 765 | QSslConfiguration QHttpNetworkReply::sslConfiguration() const
|
|---|
| 766 | {
|
|---|
| 767 | Q_D(const QHttpNetworkReply);
|
|---|
| 768 | if (d->connection)
|
|---|
| 769 | return d->connection->d_func()->sslConfiguration(*this);
|
|---|
| 770 | return QSslConfiguration();
|
|---|
| 771 | }
|
|---|
| 772 |
|
|---|
| 773 | void QHttpNetworkReply::setSslConfiguration(const QSslConfiguration &config)
|
|---|
| 774 | {
|
|---|
| 775 | Q_D(QHttpNetworkReply);
|
|---|
| 776 | if (d->connection)
|
|---|
| 777 | d->connection->setSslConfiguration(config);
|
|---|
| 778 | }
|
|---|
| 779 |
|
|---|
| 780 | void QHttpNetworkReply::ignoreSslErrors()
|
|---|
| 781 | {
|
|---|
| 782 | Q_D(QHttpNetworkReply);
|
|---|
| 783 | if (d->connection)
|
|---|
| 784 | d->connection->ignoreSslErrors();
|
|---|
| 785 | }
|
|---|
| 786 |
|
|---|
| 787 | void QHttpNetworkReply::ignoreSslErrors(const QList<QSslError> &errors)
|
|---|
| 788 | {
|
|---|
| 789 | Q_D(QHttpNetworkReply);
|
|---|
| 790 | if (d->connection)
|
|---|
| 791 | d->connection->ignoreSslErrors(errors);
|
|---|
| 792 | }
|
|---|
| 793 |
|
|---|
| 794 |
|
|---|
| 795 | #endif //QT_NO_OPENSSL
|
|---|
| 796 |
|
|---|
| 797 |
|
|---|
| 798 | QT_END_NAMESPACE
|
|---|
| 799 |
|
|---|
| 800 | #endif // QT_NO_HTTP
|
|---|