nextcloud-desktop/src/gui/clientproxy.cpp

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/*
* Copyright (C) by Klaas Freitag <freitag@owncloud.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "clientproxy.h"
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#include "configfile.h"
#include <QLoggingCategory>
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#include <QUrl>
#include <QThreadPool>
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namespace OCC {
Q_LOGGING_CATEGORY(lcClientProxy, "nextcloud.sync.clientproxy", QtInfoMsg)
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ClientProxy::ClientProxy(QObject *parent)
: QObject(parent)
{
}
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static QNetworkProxy proxyFromConfig(const ConfigFile &cfg)
{
QNetworkProxy proxy;
if (cfg.proxyHostName().isEmpty())
return QNetworkProxy();
proxy.setHostName(cfg.proxyHostName());
proxy.setPort(cfg.proxyPort());
if (cfg.proxyNeedsAuth()) {
proxy.setUser(cfg.proxyUser());
proxy.setPassword(cfg.proxyPassword());
}
return proxy;
}
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bool ClientProxy::isUsingSystemDefault()
{
OCC::ConfigFile cfg;
// if there is no config file, default to system proxy.
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if (cfg.exists()) {
return cfg.proxyType() == QNetworkProxy::DefaultProxy;
}
return true;
}
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QString printQNetworkProxy(const QNetworkProxy &proxy)
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{
return QString("%1://%2:%3").arg(proxy.type()).arg(proxy.hostName()).arg(proxy.port());
}
void ClientProxy::setupQtProxyFromConfig()
{
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OCC::ConfigFile cfg;
int proxyType = QNetworkProxy::DefaultProxy;
QNetworkProxy proxy;
// if there is no config file, default to system proxy.
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if (cfg.exists()) {
proxyType = cfg.proxyType();
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proxy = proxyFromConfig(cfg);
}
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switch (proxyType) {
case QNetworkProxy::NoProxy:
qCInfo(lcClientProxy) << "Set proxy configuration to use NO proxy";
QNetworkProxyFactory::setUseSystemConfiguration(false);
QNetworkProxy::setApplicationProxy(QNetworkProxy::NoProxy);
break;
case QNetworkProxy::DefaultProxy:
qCInfo(lcClientProxy) << "Set proxy configuration to use the preferred system proxy for http tcp connections";
{
QNetworkProxyQuery query;
query.setProtocolTag("http");
query.setQueryType(QNetworkProxyQuery::TcpSocket);
auto proxies = QNetworkProxyFactory::proxyForQuery(query);
proxy = proxies.first();
}
QNetworkProxyFactory::setUseSystemConfiguration(false);
QNetworkProxy::setApplicationProxy(proxy);
break;
case QNetworkProxy::Socks5Proxy:
proxy.setType(QNetworkProxy::Socks5Proxy);
qCInfo(lcClientProxy) << "Set proxy configuration to SOCKS5" << printQNetworkProxy(proxy);
QNetworkProxyFactory::setUseSystemConfiguration(false);
QNetworkProxy::setApplicationProxy(proxy);
break;
case QNetworkProxy::HttpProxy:
proxy.setType(QNetworkProxy::HttpProxy);
qCInfo(lcClientProxy) << "Set proxy configuration to HTTP" << printQNetworkProxy(proxy);
QNetworkProxyFactory::setUseSystemConfiguration(false);
QNetworkProxy::setApplicationProxy(proxy);
break;
default:
break;
}
}
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const char *ClientProxy::proxyTypeToCStr(QNetworkProxy::ProxyType type)
{
switch (type) {
case QNetworkProxy::NoProxy:
return "NoProxy";
case QNetworkProxy::DefaultProxy:
return "DefaultProxy";
case QNetworkProxy::Socks5Proxy:
return "Socks5Proxy";
case QNetworkProxy::HttpProxy:
return "HttpProxy";
case QNetworkProxy::HttpCachingProxy:
return "HttpCachingProxy";
case QNetworkProxy::FtpCachingProxy:
return "FtpCachingProxy";
default:
return "NoProxy";
}
}
void ClientProxy::lookupSystemProxyAsync(const QUrl &url, QObject *dst, const char *slot)
{
SystemProxyRunnable *runnable = new SystemProxyRunnable(url);
QObject::connect(runnable, SIGNAL(systemProxyLookedUp(QNetworkProxy)), dst, slot);
QThreadPool::globalInstance()->start(runnable); // takes ownership and deletes
}
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SystemProxyRunnable::SystemProxyRunnable(const QUrl &url)
: QObject()
, QRunnable()
, _url(url)
{
}
void SystemProxyRunnable::run()
{
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qRegisterMetaType<QNetworkProxy>("QNetworkProxy");
QList<QNetworkProxy> proxies = QNetworkProxyFactory::systemProxyForQuery(QNetworkProxyQuery(_url));
if (proxies.isEmpty()) {
emit systemProxyLookedUp(QNetworkProxy(QNetworkProxy::NoProxy));
} else {
emit systemProxyLookedUp(proxies.first());
// FIXME Would we really ever return more?
}
}
}