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39
40#include "qnetworkproxy.h"
41
42#include <QtCore/QByteArray>
43#include <QtCore/QUrl>
44
45#ifndef QT_NO_NETWORKPROXY
46
47/*
48 * Construct a proxy from the environment variables http_proxy and no_proxy.
49 * Or no system proxy. Just return a list with NoProxy.
50 */
51
52QT_BEGIN_NAMESPACE
53
54static bool ignoreProxyFor(const QNetworkProxyQuery &query)
55{
56 const QByteArray noProxy = qgetenv(varName: "no_proxy").trimmed();
57 if (noProxy.isEmpty())
58 return false;
59
60 const QList<QByteArray> noProxyTokens = noProxy.split(sep: ',');
61
62 for (const QByteArray &rawToken : noProxyTokens) {
63 QByteArray token = rawToken.trimmed();
64 QString peerHostName = query.peerHostName();
65
66 // Since we use suffix matching, "*" is our 'default' behaviour
67 if (token.startsWith(c: '*'))
68 token = token.mid(index: 1);
69
70 // Harmonize trailing dot notation
71 if (token.endsWith(c: '.') && !peerHostName.endsWith(c: '.'))
72 token = token.left(len: token.length()-1);
73
74 // We prepend a dot to both values, so that when we do a suffix match,
75 // we don't match "donotmatch.com" with "match.com"
76 if (!token.startsWith(c: '.'))
77 token.prepend(c: '.');
78
79 if (!peerHostName.startsWith(c: '.'))
80 peerHostName.prepend(c: '.');
81
82 if (peerHostName.endsWith(s: QLatin1String(token)))
83 return true;
84 }
85
86 return false;
87}
88
89QList<QNetworkProxy> QNetworkProxyFactory::systemProxyForQuery(const QNetworkProxyQuery &query)
90{
91 QList<QNetworkProxy> proxyList;
92
93 if (ignoreProxyFor(query))
94 return proxyList << QNetworkProxy::NoProxy;
95
96 // No need to care about casing here, QUrl lowercases values already
97 const QString queryProtocol = query.protocolTag();
98 QByteArray proxy_env;
99
100 if (queryProtocol == QLatin1String("http"))
101 proxy_env = qgetenv(varName: "http_proxy");
102 else if (queryProtocol == QLatin1String("https"))
103 proxy_env = qgetenv(varName: "https_proxy");
104 else if (queryProtocol == QLatin1String("ftp"))
105 proxy_env = qgetenv(varName: "ftp_proxy");
106 else
107 proxy_env = qgetenv(varName: "all_proxy");
108
109 // Fallback to http_proxy is no protocol specific proxy was found
110 if (proxy_env.isEmpty())
111 proxy_env = qgetenv(varName: "http_proxy");
112
113 if (!proxy_env.isEmpty()) {
114 QUrl url = QUrl(QString::fromLocal8Bit(str: proxy_env));
115 const QString scheme = url.scheme();
116 if (scheme == QLatin1String("socks5")) {
117 QNetworkProxy proxy(QNetworkProxy::Socks5Proxy, url.host(),
118 url.port() ? url.port() : 1080, url.userName(), url.password());
119 proxyList << proxy;
120 } else if (scheme == QLatin1String("socks5h")) {
121 QNetworkProxy proxy(QNetworkProxy::Socks5Proxy, url.host(),
122 url.port() ? url.port() : 1080, url.userName(), url.password());
123 proxy.setCapabilities(QNetworkProxy::HostNameLookupCapability);
124 proxyList << proxy;
125 } else if ((scheme.isEmpty() || scheme == QLatin1String("http"))
126 && query.queryType() != QNetworkProxyQuery::UdpSocket
127 && query.queryType() != QNetworkProxyQuery::TcpServer) {
128 QNetworkProxy proxy(QNetworkProxy::HttpProxy, url.host(),
129 url.port() ? url.port() : 8080, url.userName(), url.password());
130 proxyList << proxy;
131 }
132 }
133 if (proxyList.isEmpty())
134 proxyList << QNetworkProxy::NoProxy;
135
136 return proxyList;
137}
138
139QT_END_NAMESPACE
140
141#endif
142

source code of qtbase/src/network/kernel/qnetworkproxy_generic.cpp