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
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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
using namespace Qt::StringLiterals;
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 = QLatin1StringView(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 == "http"_L1)
proxy_env = qgetenv("http_proxy");
else if (queryProtocol == "https"_L1)
proxy_env = qgetenv("https_proxy");
else if (queryProtocol == "ftp"_L1)
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 == "socks5"_L1) {
QNetworkProxy proxy(QNetworkProxy::Socks5Proxy, url.host(),
url.port() ? url.port() : 1080, url.userName(), url.password());
proxyList << proxy;
} else if (scheme == "socks5h"_L1) {
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 == "http"_L1)
&& 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
|
