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/****************************************************************************
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
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**
**
******************************************************************************/
#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
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