text: // Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
  // All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are met:
  // * Redistributions of source code must retain the above copyright
  // notice, this list of conditions and the following disclaimer.
  // * Redistributions in binary form must reproduce the above copyright
  // notice, this list of conditions and the following disclaimer in the
  // documentation and/or other materials provided with the distribution.
  // * Neither the name of the Andrey N. Sabelnikov nor the
  // names of its contributors may be used to endorse or promote products
  // derived from this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER  BE LIABLE FOR ANY
  // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  //
  
  #include "net/http_base.h"
  #include "memwipe.h"
  #include "string_tools.h"
  
  #include <boost/regex.hpp>
  #include <string>
  #include <utility>
  
  #undef MONERO_DEFAULT_LOG_CATEGORY
  #define MONERO_DEFAULT_LOG_CATEGORY "net.http"
  
  namespace epee
  {
  namespace net_utils
  {
  namespace http
  {
      std::string get_value_from_fields_list(const std::string& param_name, const net_utils::http::fields_list& fields)
      {
          fields_list::const_iterator it = fields.begin();
          for(; it != fields.end(); it++)
              if(!string_tools::compare_no_case(param_name, it->first))
                  break;
  
          if(it==fields.end())
              return std::string();
  
          return it->second;
      }
  
      std::string get_value_from_uri_line(const std::string& param_name, const std::string& uri)
      {
          std::string buff = "([\\?|&])";
          buff += param_name + "=([^&]*)";
          boost::regex match_param(buff.c_str(), boost::regex::icase | boost::regex::normal);
          boost::smatch	result;
          if(boost::regex_search(uri, result, match_param, boost::match_default) && result[0].matched)
          {
              return result[2];
          }
          return std::string();
      }
  }
  }
  }
  