303 lines
10 KiB
C++
303 lines
10 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2012 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include "httpsocket.h"
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#include <QtNetwork/QTcpSocket>
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#include <QtNetwork/QNetworkInterface>
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#include <QtCore/QStringList>
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#include <QtCore/QTextStream>
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#include <QtCore/QFile>
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#include <QtCore/QUrl>
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#ifdef ENABLE_KDE_SUPPORT
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#include <KDE/KMimeType>
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#endif
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#include <QtCore/QFileInfo>
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#ifdef TAGLIB_FOUND
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#include <taglib/oggflacfile.h>
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#include <taglib/trueaudiofile.h>
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#include <taglib/vorbisfile.h>
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#include <taglib/audioproperties.h>
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#endif
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static QString detectMimeType(const QString &file)
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{
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#ifdef ENABLE_KDE_SUPPORT
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QString km=KMimeType::findByPath(file)->name();
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if (!km.isEmpty() && (km.startsWith("audio/") || km.startsWith("application/"))) {
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return QLatin1String("audio/x-ape")==km ? QLatin1String("audio/x-monkeys-audio") : km;
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}
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#endif
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QString suffix = QFileInfo(file).suffix().toLower();
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if (suffix == QLatin1String("mp3")) {
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return QLatin1String("audio/mpeg");
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}
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#ifdef TAGLIB_FOUND
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if (suffix == QLatin1String("ogg")) {
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#ifdef Q_OS_WIN32
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const wchar_t *encodedName = reinterpret_cast< const wchar_t * >(file.utf16());
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#elif defined COMPLEX_TAGLIB_FILENAME
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const wchar_t *encodedName = reinterpret_cast< const wchar_t * >(file.utf16());
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#else
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QByteArray fileName = QFile::encodeName(file);
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const char *encodedName = fileName.constData(); // valid as long as fileName exists
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#endif
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QString mime;
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TagLib::File *result = new TagLib::Ogg::Vorbis::File(encodedName, false, TagLib::AudioProperties::Fast);
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if (result->isValid()) {
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mime=QLatin1String("audio/x-vorbis+ogg");
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}
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delete result;
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if (mime.isEmpty()) {
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result = new TagLib::Ogg::FLAC::File(encodedName, false, TagLib::AudioProperties::Fast);
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if (result->isValid()) {
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mime=QLatin1String("audio/x-flac+ogg");
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}
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delete result;
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}
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if (mime.isEmpty()) {
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result = new TagLib::TrueAudio::File(encodedName, false, TagLib::AudioProperties::Fast);
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if (result->isValid()) {
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mime=QLatin1String("audio/x-speex+ogg");
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}
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delete result;
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}
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return QLatin1String("audio/ogg");
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}
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#endif
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else if (suffix == QLatin1String("flac")) {
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return QLatin1String("audio/x-flac");
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} else if (suffix == QLatin1String("wma")) {
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return QLatin1String("audio/x-ms-wma");
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} else if (suffix == QLatin1String("m4a") || suffix == QLatin1String("m4b") || suffix == QLatin1String("m4p") || suffix == QLatin1String("mp4")) {
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return QLatin1String("audio/mp4");
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} else if (suffix == QLatin1String("wav")) {
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return QLatin1String("audio/x-wav");
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} else if (suffix == QLatin1String("wv") || suffix == QLatin1String("wvp")) {
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return QLatin1String("audio/x-wavpack");
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} else if (suffix == QLatin1String("ape")) {
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return QLatin1String("audio/x-monkeys-audio"); // "audio/x-ape";
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} else if (suffix == QLatin1String("spx")) {
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return QLatin1String("audio/x-speex");
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} else if (suffix == QLatin1String("tta")) {
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return QLatin1String("audio/x-tta");
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} else if (suffix == QLatin1String("aiff") || suffix == QLatin1String("aif") || suffix == QLatin1String("aifc")) {
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return QLatin1String("audio/x-aiff");
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} else if (suffix == QLatin1String("mpc") || suffix == QLatin1String("mpp") || suffix == QLatin1String("mp+")) {
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return QLatin1String("audio/x-musepack");
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} else if (suffix == QLatin1String("dff")) {
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return QLatin1String("application/x-dff");
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} else if (suffix == QLatin1String("dsf")) {
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return QLatin1String("application/x-dsf");
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}
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return QString();
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}
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// static int level(const QString &s)
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// {
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// return QLatin1String("Link-local")==s
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// ? 1
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// : QLatin1String("Site-local")==s
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// ? 2
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// : QLatin1String("Global")==s
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// ? 3
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// : 0;
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// }
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HttpSocket::HttpSocket(const QString &addr, quint16 p)
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: QTcpServer(0)
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, cfgAddr(addr)
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, terminated(false)
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{
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QHostAddress a;
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if (!addr.isEmpty()) {
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a=QHostAddress(addr);
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if (a.isNull()) {
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QString ifaceName=addr;
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// bool ipV4=true;
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//
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// if (ifaceName.endsWith("::6")) {
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// ifaceName=ifaceName.left(ifaceName.length()-3);
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// ipV4=false;
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// }
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QNetworkInterface iface=QNetworkInterface::interfaceFromName(ifaceName);
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if (iface.isValid()) {
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QList<QNetworkAddressEntry> addresses=iface.addressEntries();
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// int ip6Scope=-1;
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foreach (const QNetworkAddressEntry &addr, addresses) {
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QHostAddress ha=addr.ip();
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if (QAbstractSocket::IPv4Protocol==ha.protocol()) {
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// if ((ipV4 && QAbstractSocket::IPv4Protocol==ha.protocol()) || (!ipV4 && QAbstractSocket::IPv6Protocol==ha.protocol())) {
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// if (ipV4) {
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a=ha;
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break;
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// } else {
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// int scope=level(a.scopeId());
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// if (scope>ip6Scope) {
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// ip6Scope=scope;
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// a=ha;
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// }
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// }
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}
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}
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}
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}
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}
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listen(a.isNull() ? QHostAddress::LocalHost : a, p);
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}
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void HttpSocket::terminate()
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{
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terminated=true;
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deleteLater();
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}
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void HttpSocket::incomingConnection(int socket)
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{
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QTcpSocket *s = new QTcpSocket(this);
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connect(s, SIGNAL(readyRead()), this, SLOT(readClient()));
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connect(s, SIGNAL(disconnected()), this, SLOT(discardClient()));
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s->setSocketDescriptor(socket);
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}
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int getSep(const QByteArray &a, int pos)
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{
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for (int i=pos+1; i<a.length(); ++i) {
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if ('\n'==a[i] || '\r'==a[i] || ' '==a[i]) {
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return i;
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}
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}
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return -1;
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}
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QList<QByteArray> split(const QByteArray &a)
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{
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QList<QByteArray> rv;
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int lastPos=-1;
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for (;;) {
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int pos=getSep(a, lastPos);
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if (pos==(lastPos+1)) {
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lastPos++;
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} else if (pos>-1) {
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lastPos++;
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rv.append(a.mid(lastPos, pos-lastPos));
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lastPos=pos;
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} else {
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lastPos++;
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rv.append(a.mid(lastPos));
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break;
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}
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}
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return rv;
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}
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void HttpSocket::readClient()
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{
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if (terminated) {
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return;
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}
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QTcpSocket *socket = (QTcpSocket*)sender();
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if (socket->canReadLine()) {
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QList<QByteArray> tokens = split(socket->readLine()); // QRegExp("[ \r\n][ \r\n]*"));
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if (tokens.length()>=2 && "GET"==tokens[0]) {
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QUrl url(QUrl::fromEncoded(tokens[1]));
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bool ok=false;
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if (url.hasQueryItem("cantata")) {
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QFile f(url.path());
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if (f.open(QIODevice::ReadOnly)) {
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QString mimeType=detectMimeType(url.path());
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if (!mimeType.isEmpty()) {
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QTextStream os(socket);
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os.setAutoDetectUnicode(true);
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os << "HTTP/1.0 200 OK\r\nContent-Type: " << mimeType << "\r\n\r\n";
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}
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ok=true;
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static const int constChunkSize=8192;
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char buffer[constChunkSize];
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qint64 totalBytes = f.size();
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qint64 readPos = 0;
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qint64 bytesRead = 0;
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do {
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if (terminated) {
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break;
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}
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bytesRead = f.read(buffer, constChunkSize);
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readPos+=bytesRead;
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if (bytesRead<0 || terminated) {
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break;
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}
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qint64 writePos=0;
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do {
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qint64 bytesWritten = socket->write(&buffer[writePos], bytesRead - writePos);
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if (terminated) {
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break;
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}
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if (-1==bytesWritten) {
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ok=false;
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break;
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}
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writePos+=bytesWritten;
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} while (writePos<bytesRead);
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if (f.atEnd()) {
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break;
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}
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} while ((readPos+bytesRead)<totalBytes);
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}
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}
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if (!ok) {
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QTextStream os(socket);
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os.setAutoDetectUnicode(true);
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os << "HTTP/1.0 404 Ok\r\n"
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"Content-Type: text/html; charset=\"utf-8\"\r\n"
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"\r\n"
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"<h1>Nothing to see here</h1>\n";
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}
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socket->close();
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if (QTcpSocket::UnconnectedState==socket->state()) {
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delete socket;
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}
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}
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}
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}
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void HttpSocket::discardClient()
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{
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QTcpSocket *socket = (QTcpSocket*)sender();
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socket->deleteLater();
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}
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