File: HTTPSBridge.cpp

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/*
 * Copyright (c) 2002-2009 Moxie Marlinspike
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

#include "HTTPSBridge.hpp"
#include <string.h>

using namespace boost::asio;

void HTTPSBridge::buildRequestFromHeaders(HttpHeaders &headers, std::string &request) {
  std::ostringstream requestStream;
  requestStream << headers.getMethod()  << " "
	  << headers.getRequest() << " "
	  << "HTTP/1.0\r\n";
      
  std::map<std::string,std::string>::iterator iter;
  std::map<std::string,std::string>& headersMap = headers.getHeaders();
  for( iter = headersMap.begin(); iter != headersMap.end(); ++iter ) {
    std::string key   = iter->first;
    std::string value = iter->second;

    Util::trimString(key);
    Util::trimString(value);
    
    if (key != "Accept-Encoding" && key != "Connection" && key != "Keep-Alive")
      requestStream << key << ": " << value << "\r\n";
  }

  requestStream << "Connection: Close" << "\r\n\r\n";
  if (headers.isPost()) requestStream << headers.getPostData();

  request = requestStream.str();
}

bool HTTPSBridge::readFromClient() {
  char buf[4096];
  int bytesRead;
  int bytesWritten;

  do {
    if ((bytesRead = SSL_read(clientSession, buf, sizeof(buf))) <= 0) return false;

    Logger::logFromClient(serverName, buf, bytesRead);

    if (headers.process(buf, bytesRead)) {
      std::string request;

      buildRequestFromHeaders(headers, request);
      SSL_write(serverSession, request.c_str(), request.length());

      if (headers.isPost()) Logger::logFromClient(serverName, headers);
    }
  } while (SSL_pending(serverSession));

  return true;
}