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authorMarkus Goetz <Markus.Goetz@nokia.com>2009-03-27 16:53:30 +0100
committerMarkus Goetz <Markus.Goetz@nokia.com>2009-04-06 17:05:12 +0200
commit707012f57bf3abf7ddd829e5752b4e1791250bea (patch)
treeeb32dff422979dbde2d92cf91a0bef87dab9f72f /src/network/access/qhttpnetworkreply.cpp
parent003223dcfc1fa884b82085db19d4c4056bf6eaa0 (diff)
Splitted qhttpnetworkconnection* files into individual files
(cherry picked from commit fd9b788bd6a99630b06cffee4c9fa9f4c06b0ef1)
Diffstat (limited to 'src/network/access/qhttpnetworkreply.cpp')
-rw-r--r--src/network/access/qhttpnetworkreply.cpp663
1 files changed, 663 insertions, 0 deletions
diff --git a/src/network/access/qhttpnetworkreply.cpp b/src/network/access/qhttpnetworkreply.cpp
new file mode 100644
index 0000000000..fe3f6af2ef
--- /dev/null
+++ b/src/network/access/qhttpnetworkreply.cpp
@@ -0,0 +1,663 @@
+/****************************************************************************
+**
+** 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 "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()->bytesAvailable(*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, false);
+ 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), requestIsBuffering(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);
+ }
+ parseStatus(fragment);
+ state = ReadingHeaderState;
+ fragment.clear(); // next fragment
+ break;
+ } else {
+ c = 0;
+ bytes += socket->read(&c, 1);
+ fragment.append(c);
+ }
+ }
+ return bytes;
+}
+
+void QHttpNetworkReplyPrivate::parseStatus(const QByteArray &status)
+{
+ const QByteArrayMatcher sp(" ");
+ int i = sp.indexIn(status);
+ const QByteArray version = status.mid(0, i);
+ int j = sp.indexIn(status, i + 1);
+ const QByteArray code = status.mid(i + 1, j - i - 1);
+ const QByteArray reason = status.mid(j + 1, status.count() - j);
+
+ const QByteArrayMatcher slash("/");
+ int k = slash.indexIn(version);
+ const QByteArrayMatcher dot(".");
+ int l = dot.indexIn(version, k);
+ const QByteArray major = version.mid(k + 1, l - k - 1);
+ const QByteArray minor = version.mid(l + 1, version.count() - l);
+
+ majorVersion = QString::fromAscii(major.constData()).toInt();
+ minorVersion = QString::fromAscii(minor.constData()).toInt();
+ statusCode = QString::fromAscii(code.constData()).toInt();
+ reasonPhrase = QString::fromAscii(reason.constData());
+}
+
+qint64 QHttpNetworkReplyPrivate::readHeader(QAbstractSocket *socket)
+{
+ qint64 bytes = 0;
+ char crlfcrlf[5];
+ crlfcrlf[4] = '\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"));
+}
+
+qint64 QHttpNetworkReplyPrivate::readBody(QAbstractSocket *socket, QIODevice *out)
+{
+ qint64 bytes = 0;
+ if (isChunked()) {
+ bytes += transferChunked(socket, out); // chunked transfer encoding (rfc 2616, sec 3.6)
+ } else if (bodyLength > 0) { // we have a Content-Length
+ bytes += transferRaw(socket, out, bodyLength - contentRead);
+ if (contentRead + bytes == bodyLength)
+ state = AllDoneState;
+ } else {
+ bytes += transferRaw(socket, out, socket->bytesAvailable());
+ }
+ if (state == AllDoneState)
+ socket->readAll(); // Read the rest to clean (CRLF)
+ contentRead += bytes;
+ return bytes;
+}
+
+qint64 QHttpNetworkReplyPrivate::transferRaw(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::transferChunked(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 \ No newline at end of file