text: /****************************************************************************
  **
  ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
  ** All rights reserved.
  ** Contact: Nokia Corporation (qt-info@nokia.com)
  **
  ** This file is part of the QtNetwork module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:LGPL$
  ** GNU Lesser General Public License Usage
  ** This file may be used under the terms of the GNU Lesser General Public
  ** License version 2.1 as published by the Free Software Foundation and
  ** appearing in the file LICENSE.LGPL included in the packaging of this
  ** file. Please review the following information to ensure the GNU Lesser
  ** General Public License version 2.1 requirements will be met:
  ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
  **
  ** In addition, as a special exception, Nokia gives you certain additional
  ** rights. These rights are described in the Nokia Qt LGPL Exception
  ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
  **
  ** GNU General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU General
  ** Public License version 3.0 as published by the Free Software Foundation
  ** and appearing in the file LICENSE.GPL included in the packaging of this
  ** file. Please review the following information to ensure the GNU General
  ** Public License version 3.0 requirements will be met:
  ** http://www.gnu.org/copyleft/gpl.html.
  **
  ** Other Usage
  ** Alternatively, this file may be used in accordance with the terms and
  ** conditions contained in a signed written agreement between you and Nokia.
  **
  **
  **
  **
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/
  
  #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 &)
  {
      QList<QNetworkProxy> proxyList;
  
      QByteArray 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
  