/*
 * AuthProvider.h
 *
 * 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/>.
 */

#ifndef MAD_COMMON_AUTHPROVIDER_H_
#define MAD_COMMON_AUTHPROVIDER_H_

#include <Core/Exception.h>

#include <vector>

#include <boost/cstdint.hpp>

namespace Mad {
namespace Common {

class AuthProvider {
  public:
    virtual const std::vector<std::string>& getHashes() const = 0;

    virtual bool checkPassword(const std::string &user, const std::vector<boost::uint8_t> &data, const std::string &hash) throw(Core::Exception) {
      std::vector<boost::uint8_t> password = getPassword(user, hash);

      return (!password.empty() && data.size() == password.size() && std::equal(data.begin(), data.end(), password.begin()));
    }

    virtual std::vector<boost::uint8_t> getPassword(const std::string& /*user*/, const std::string& /*hash*/) throw(Core::Exception) {
      throw Core::Exception(Core::Exception::NOT_IMPLEMENTED);
    }

    virtual ~AuthProvider() {}
};

}
}

#endif /* MAD_COMMON_AUTHPROVIDER_H_ */