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my-network-proxy-factory.cpp
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1 /*
2 * Copied from
3 * https://codereview.qt-project.org/cat/29453%2C6%2Csrc/network/kernel/qnetworkproxy_libproxy.cpp%5E0
4 *
5 * With minor modifications by
6 * Alberto Mardegan <alberto.mardegan@canonical.com>
7 */
8
9 /****************************************************************************
10 **
11 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
12 ** Contact: http://www.qt-project.org/
13 **
14 ** This file is part of the QtNetwork module of the Qt Toolkit.
15 **
16 ** $QT_BEGIN_LICENSE:LGPL$
17 ** GNU Lesser General Public License Usage
18 ** This file may be used under the terms of the GNU Lesser General Public
19 ** License version 2.1 as published by the Free Software Foundation and
20 ** appearing in the file LICENSE.LGPL included in the packaging of this
21 ** file. Please review the following information to ensure the GNU Lesser
22 ** General Public License version 2.1 requirements will be met:
23 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24 **
25 ** In addition, as a special exception, Nokia gives you certain additional
26 ** rights. These rights are described in the Nokia Qt LGPL Exception
27 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28 **
29 ** GNU General Public License Usage
30 ** Alternatively, this file may be used under the terms of the GNU General
31 ** Public License version 3.0 as published by the Free Software Foundation
32 ** and appearing in the file LICENSE.GPL included in the packaging of this
33 ** file. Please review the following information to ensure the GNU General
34 ** Public License version 3.0 requirements will be met:
35 ** http://www.gnu.org/copyleft/gpl.html.
36 **
37 ** Other Usage
38 ** Alternatively, this file may be used in accordance with the terms and
39 ** conditions contained in a signed written agreement between you and Nokia.
40 **
41 **
42 **
43 **
44 **
45 **
46 ** $QT_END_LICENSE$
47 **
48 ****************************************************************************/
49
50 #include "my-network-proxy-factory.h"
51
52 #include <QNetworkProxy>
53
54 #include <QtCore/QByteArray>
55 #include <QtCore/QUrl>
56
57 #include <proxy.h>
58
59 class QLibProxyWrapper
60 {
61 public:
62 QLibProxyWrapper()
63 : factory(px_proxy_factory_new())
64 {
65 }
66
67 ~QLibProxyWrapper()
68 {
69 px_proxy_factory_free(factory);
70 }
71
72 QList<QUrl> getProxies(const QUrl &url);
73
74 private:
75 pxProxyFactory *factory;
76 };
77
78 Q_GLOBAL_STATIC(QLibProxyWrapper, libProxyWrapper);
79
80 /*
81 Gets the list of proxies from libproxy, converted to QUrl list.
82 Thread safe, according to libproxy documentation.
83 */
84 QList<QUrl> QLibProxyWrapper::getProxies(const QUrl &url)
85 {
86 QList<QUrl> ret;
87
88 if (factory) {
89 char **proxies = px_proxy_factory_get_proxies(factory, url.toEncoded());
90 if (proxies) {
91 for (int i = 0; proxies[i]; i++) {
92 ret.append(QUrl::fromEncoded(proxies[i]));
93 free(proxies[i]);
94 }
95 free(proxies);
96 }
97 }
98
99 return ret;
100 }
101
102 QList<QNetworkProxy> MyNetworkProxyFactory::queryProxy(const QNetworkProxyQuery &query)
103 {
104 QList<QNetworkProxy> proxyList;
105
106 QUrl queryUrl;
107 QNetworkProxy::Capabilities requiredCapabilities(0);
108 switch (query.queryType()) {
109 //URL requests are directly supported by libproxy
110 case QNetworkProxyQuery::UrlRequest:
111 queryUrl = query.url();
112 break;
113 // fake URLs to get libproxy to tell us the SOCKS proxy
114 case QNetworkProxyQuery::TcpSocket:
115 queryUrl.setScheme(QLatin1String("tcp"));
116 queryUrl.setHost(query.peerHostName());
117 queryUrl.setPort(query.peerPort());
118 requiredCapabilities |= QNetworkProxy::TunnelingCapability;
119 break;
120 case QNetworkProxyQuery::UdpSocket:
121 queryUrl.setScheme(QLatin1String("udp"));
122 queryUrl.setHost(query.peerHostName());
123 queryUrl.setPort(query.peerPort());
124 requiredCapabilities |= QNetworkProxy::UdpTunnelingCapability;
125 break;
126 default:
127 proxyList.append(QNetworkProxy(QNetworkProxy::NoProxy));
128 return proxyList;
129 }
130
131 QList<QUrl> rawProxies = libProxyWrapper()->getProxies(queryUrl);
132
133 bool haveDirectConnection = false;
134 foreach (const QUrl& url, rawProxies) {
135 QNetworkProxy::ProxyType type;
136 if (url.scheme() == QLatin1String("http")) {
137 type = QNetworkProxy::HttpProxy;
138 } else if (url.scheme() == QLatin1String("socks")
139 || url.scheme() == QLatin1String("socks5")) {
140 type = QNetworkProxy::Socks5Proxy;
141 } else if (url.scheme() == QLatin1String("ftp")) {
142 type = QNetworkProxy::FtpCachingProxy;
143 } else if (url.scheme() == QLatin1String("direct")) {
144 type = QNetworkProxy::NoProxy;
145 haveDirectConnection = true;
146 } else {
147 continue; //unsupported proxy type e.g. socks4
148 }
149
150 QNetworkProxy proxy(type,
151 url.host(),
152 url.port(),
153 url.userName(),
154 url.password());
155
156 if ((proxy.capabilities() & requiredCapabilities) == requiredCapabilities)
157 proxyList.append(proxy);
158 }
159
160 // fallback is direct connection
161 if (proxyList.isEmpty() || !haveDirectConnection)
162 proxyList.append(QNetworkProxy(QNetworkProxy::NoProxy));
163
164 return proxyList;
165 }
MyNetworkProxyFactory::queryProxy
QList< QNetworkProxy > queryProxy(const QNetworkProxyQuery &query=QNetworkProxyQuery())
Definition: my-network-proxy-factory.cpp:102
my-network-proxy-factory.h
Q_GLOBAL_STATIC
Q_GLOBAL_STATIC(QLibProxyWrapper, libProxyWrapper)
QList
Definition: backupifadaptor.h:18