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path: root/src/Client/Authenticators/PasswordAuthenticator.cpp
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/*
 * PasswordAuthenticator.cpp
 *
 * Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "PasswordAuthenticator.h"

#include <Common/Hash.h>
#include <Common/RequestManager.h>
#include <Common/Requests/AuthMethodRequest.h>

namespace Mad {
namespace Client {
namespace Authenticators {

void PasswordAuthenticator::PasswordAuthRequest::sendRequest() {
  Common::XmlData packet;
  packet.setType("Authenticate");
  packet.set("method", "Password");
  packet.set("subMethod", hash);

  packet.set("user", username);



  if(hash == "Clear") {
    std::string passwordStr = password.toUTF8();
    packet.set("data", std::vector<boost::uint8_t>(passwordStr.begin(), passwordStr.end()));
  }
  else {
    packet.set("data", Common::Hash::hash(password, hash));
  }

  sendPacket(packet);
}

void PasswordAuthenticator::PasswordAuthRequest::handlePacket(boost::shared_ptr<const Common::XmlData> packet) {
  if(packet->getType() == "Error") {
    signalFinished(Core::Exception(packet->get<const Core::String&>("Where"), static_cast<Core::Exception::ErrorCode>(packet->get<long>("ErrorCode")),
        packet->get<long>("SubCode"), packet->get<long>("SubSubCode")));
    return;
  }
  else if(packet->getType() != "OK") {
    signalFinished(Core::Exception(Core::Exception::UNEXPECTED_PACKET));
    return; // TODO Logging
  }

  signalFinished(packet);
}

void PasswordAuthenticator::authenticate(Common::Application *application, Common::Connection *con, const Core::String &username, const Core::String &password) throw (Core::Exception) {
  Core::String hash;

  {
    boost::shared_ptr<Common::Requests::AuthMethodRequest> request(new Common::Requests::AuthMethodRequest(application));

    application->getRequestManager()->sendRequest(con, request);
    request->wait();

    std::pair<boost::shared_ptr<const Common::XmlData>, Core::Exception> result = request->getResult();

    if(!result.first || result.second)
      throw result.second;

    const Common::XmlData::List *methods = result.first->getList("methods");

    for(Common::XmlData::List::const_iterator method = methods->begin(); method != methods->end(); ++method) {
      if(method->get<const Core::String&>("name") != "Password")
        continue;

      const Common::XmlData::List *subMethods = method->getList("subMethods");

      for(Common::XmlData::List::const_iterator subMethod = subMethods->begin(); subMethod != subMethods->end(); ++subMethod) {
        if(Common::Hash::isHashSupported(subMethod->get<const Core::String&>("name"))) {
          hash = subMethod->get<const Core::String&>("name");
          break;
        }
      }

      break;
    }

    if(hash.isEmpty())
      throw Core::Exception(Core::Exception::NOT_AVAILABLE);
  }

  application->log(Core::Logger::LOG_VERBOSE, Core::Format("Authenticating with method 'Password' using hash '%1%'...") % hash);

  boost::shared_ptr<PasswordAuthRequest> request(new PasswordAuthRequest(application, username, password, hash));

  application->getRequestManager()->sendRequest(con, request);
  request->wait();

  std::pair<boost::shared_ptr<const Common::XmlData>, Core::Exception> result = request->getResult();

  if(!result.first || result.second)
    throw result.second;
}

}
}
}