1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtNetwork module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
******************************************************************************/
#include "qnetworkproxy.h"
#include <QtCore/QByteArray>
#include <QtCore/QUrl>
#ifndef QT_NO_NETWORKPROXY
/*
* Construct a proxy from the environment variables http_proxy and no_proxy.
* Or no system proxy. Just return a list with NoProxy.
*/
QT_BEGIN_NAMESPACE
static bool ignoreProxyFor(const QNetworkProxyQuery &query)
{
const QByteArray noProxy = qgetenv("no_proxy").trimmed();
if (noProxy.isEmpty())
return false;
const QString host = query.peerHostName();
const QList<QByteArray> noProxyTokens = noProxy.split(',');
for (const QByteArray &rawToken : noProxyTokens) {
auto token = QLatin1String(rawToken).trimmed();
// Since we use suffix matching, "*" is our 'default' behaviour
if (token.startsWith(u'*'))
token = token.mid(1);
// Harmonize trailing dot notation
if (token.endsWith(u'.') && !host.endsWith(u'.'))
token = token.chopped(1);
if (token.startsWith(u'.')) // leading dot is implied
token = token.mid(1);
if (host.endsWith(token)) {
// Make sure that when we have a suffix match,
// we don't match "donotmatch.com" with "match.com"
if (host.size() == token.size()) // iow: host == token
return true;
if (host[host.size() - token.size() - 1] == u'.') // match follows a dot
return true;
}
}
return false;
}
QList<QNetworkProxy> QNetworkProxyFactory::systemProxyForQuery(const QNetworkProxyQuery &query)
{
QList<QNetworkProxy> proxyList;
if (ignoreProxyFor(query))
return proxyList << QNetworkProxy::NoProxy;
// No need to care about casing here, QUrl lowercases values already
const QString queryProtocol = query.protocolTag();
QByteArray proxy_env;
if (queryProtocol == QLatin1String("http"))
proxy_env = qgetenv("http_proxy");
else if (queryProtocol == QLatin1String("https"))
proxy_env = qgetenv("https_proxy");
else if (queryProtocol == QLatin1String("ftp"))
proxy_env = qgetenv("ftp_proxy");
else
proxy_env = qgetenv("all_proxy");
// Fallback to http_proxy is no protocol specific proxy was found
if (proxy_env.isEmpty())
proxy_env = qgetenv("http_proxy");
if (!proxy_env.isEmpty()) {
QUrl url = QUrl(QString::fromLocal8Bit(proxy_env));
const QString scheme = url.scheme();
if (scheme == QLatin1String("socks5")) {
QNetworkProxy proxy(QNetworkProxy::Socks5Proxy, url.host(),
url.port() ? url.port() : 1080, url.userName(), url.password());
proxyList << proxy;
} else if (scheme == QLatin1String("socks5h")) {
QNetworkProxy proxy(QNetworkProxy::Socks5Proxy, url.host(),
url.port() ? url.port() : 1080, url.userName(), url.password());
proxy.setCapabilities(QNetworkProxy::HostNameLookupCapability);
proxyList << proxy;
} else if ((scheme.isEmpty() || scheme == QLatin1String("http"))
&& query.queryType() != QNetworkProxyQuery::UdpSocket
&& query.queryType() != QNetworkProxyQuery::TcpServer) {
QNetworkProxy proxy(QNetworkProxy::HttpProxy, url.host(),
url.port() ? url.port() : 8080, url.userName(), url.password());
proxyList << proxy;
}
}
if (proxyList.isEmpty())
proxyList << QNetworkProxy::NoProxy;
return proxyList;
}
QT_END_NAMESPACE
#endif
|