qnetworkproxy_generic.cpp

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#include "qnetworkproxy.h"

#include <QtCore/QByteArray>
#include <QtCore/QUrl>

#ifndef QT_NO_NETWORKPROXY

/*
 * Construct a proxy from the environment variable http_proxy.
 * Or no system proxy. Just return a list with NoProxy.
 */

QT_BEGIN_NAMESPACE

QList<QNetworkProxy> QNetworkProxyFactory::systemProxyForQuery(const QNetworkProxyQuery &query)
{
    QList<QNetworkProxy> proxyList;

    const QString queryProtocol = query.protocolTag().toLower();
    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));
        if (url.scheme() == QLatin1String("socks5")) {
            QNetworkProxy proxy(QNetworkProxy::Socks5Proxy, url.host(),
                    url.port() ? url.port() : 1080, url.userName(), url.password());
            proxyList << proxy;
        } else if (url.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 (url.scheme() == QLatin1String("http") || url.scheme().isEmpty()) {
            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