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Diffstat (limited to 'src/network/kernel/qnetworkproxy_libproxy.cpp')
| -rw-r--r-- | src/network/kernel/qnetworkproxy_libproxy.cpp | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/network/kernel/qnetworkproxy_libproxy.cpp b/src/network/kernel/qnetworkproxy_libproxy.cpp new file mode 100644 index 0000000000..f0b91d6967 --- /dev/null +++ b/src/network/kernel/qnetworkproxy_libproxy.cpp @@ -0,0 +1,165 @@ +/**************************************************************************** +** +** Copyright (C) 2015 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtNetwork module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** 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, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, 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. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qnetworkproxy.h" + +#ifndef QT_NO_NETWORKPROXY + +#include <QtCore/QByteArray> +#include <QtCore/QUrl> + +#include <proxy.h> + +QT_BEGIN_NAMESPACE + +class QLibProxyWrapper +{ +public: + QLibProxyWrapper() + : factory(px_proxy_factory_new()) + { + if (!factory) + qWarning("libproxy initialization failed."); + } + + ~QLibProxyWrapper() + { + px_proxy_factory_free(factory); + } + + QList<QUrl> getProxies(const QUrl &url); + +private: + pxProxyFactory *factory; +}; + +Q_GLOBAL_STATIC(QLibProxyWrapper, libProxyWrapper); + +/* + Gets the list of proxies from libproxy, converted to QUrl list. + Thread safe, according to libproxy documentation. +*/ +QList<QUrl> QLibProxyWrapper::getProxies(const QUrl &url) +{ + QList<QUrl> ret; + + if (factory) { + char **proxies = px_proxy_factory_get_proxies(factory, url.toEncoded()); + if (proxies) { + for (int i = 0; proxies[i]; i++) { + ret.append(QUrl::fromEncoded(proxies[i])); + free(proxies[i]); + } + free(proxies); + } + } + + return ret; +} + +QList<QNetworkProxy> QNetworkProxyFactory::systemProxyForQuery(const QNetworkProxyQuery &query) +{ + QList<QNetworkProxy> proxyList; + + QUrl queryUrl; + QNetworkProxy::Capabilities requiredCapabilities(0); + switch (query.queryType()) { + //URL requests are directly supported by libproxy + case QNetworkProxyQuery::UrlRequest: + queryUrl = query.url(); + break; + // fake URLs to get libproxy to tell us the SOCKS proxy + case QNetworkProxyQuery::TcpSocket: + queryUrl.setScheme(QStringLiteral("tcp")); + queryUrl.setHost(query.peerHostName()); + queryUrl.setPort(query.peerPort()); + requiredCapabilities |= QNetworkProxy::TunnelingCapability; + break; + case QNetworkProxyQuery::UdpSocket: + queryUrl.setScheme(QStringLiteral("udp")); + queryUrl.setHost(query.peerHostName()); + queryUrl.setPort(query.peerPort()); + requiredCapabilities |= QNetworkProxy::UdpTunnelingCapability; + break; + default: + proxyList.append(QNetworkProxy(QNetworkProxy::NoProxy)); + return proxyList; + } + + QList<QUrl> rawProxies = libProxyWrapper()->getProxies(queryUrl); + + bool haveDirectConnection = false; + foreach (const QUrl& url, rawProxies) { + QNetworkProxy::ProxyType type; + if (url.scheme() == QStringLiteral("http")) { + type = QNetworkProxy::HttpProxy; + } else if (url.scheme() == QStringLiteral("socks") + || url.scheme() == QStringLiteral("socks5")) { + type = QNetworkProxy::Socks5Proxy; + } else if (url.scheme() == QStringLiteral("ftp")) { + type = QNetworkProxy::FtpCachingProxy; + } else if (url.scheme() == QStringLiteral("direct")) { + type = QNetworkProxy::NoProxy; + haveDirectConnection = true; + } else { + continue; //unsupported proxy type e.g. socks4 + } + + QNetworkProxy proxy(type, + url.host(QUrl::EncodeUnicode), + url.port(0), + url.userName(QUrl::FullyDecoded), + url.password(QUrl::FullyDecoded)); + + if (proxy.capabilities() & requiredCapabilities == requiredCapabilities) + proxyList.append(proxy); + } + + // fallback is direct connection + if (proxyList.isEmpty() || !haveDirectConnection) + proxyList.append(QNetworkProxy(QNetworkProxy::NoProxy)); + + return proxyList; +} + +QT_END_NAMESPACE + +#endif |