content: /*
   * This file is part of Adblock Plus <https://adblockplus.org/>,
   * Copyright (C) 2006-present eyeo GmbH
   *
   * Adblock Plus is free software: you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 3 as
   * published by the Free Software Foundation.
   *
   * Adblock Plus is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  package org.adblockplus.brazil;
  
  import java.io.IOException;
  
  import sunlabs.brazil.server.Handler;
  import sunlabs.brazil.server.Request;
  import sunlabs.brazil.server.Server;
  
  /**
   * Reconstructs request url to comply with proxy specification if transparent
   * proxy is used.
   */
  public class TransparentProxyHandler implements Handler
  {
  
    @Override
    public boolean init(final Server server, final String prefix)
    {
      return true;
    }
  
    @Override
    public boolean respond(final Request request) throws IOException
    {
      if (!RequestHandler.RE_HTTP.matcher(request.url).find())
      {
        request.url = "http://" + request.headers.get("host") + request.url;
      }
      return false;
    }
  }
  