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/*
* AuthBackendChallengeResponse.h
*
* Copyright (C) 2008 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_MODULES_AUTHBACKENDCHALLENGERESPONSE_AUTHBACKENDCHALLENGERESPONSE_H_
#define MAD_MODULES_AUTHBACKENDCHALLENGERESPONSE_AUTHBACKENDCHALLENGERESPONSE_H_
#include "../export.h"
#include <Common/AuthBackend.h>
#include <Common/AuthContext.h>
#include <Common/AuthProvider.h>
#include <Common/Application.h>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/random/mersenne_twister.hpp>
#include <boost/random/uniform_int.hpp>
#include <boost/random/variate_generator.hpp>
#include <boost/thread/mutex.hpp>
namespace Mad {
namespace Modules {
namespace AuthBackendChallengeResponse {
class MAD_MODULE_EXPORT AuthBackendChallengeResponse : public Common::AuthBackend, private boost::noncopyable {
private:
class AuthContextChallengeResponse : public Common::AuthContext {
private:
friend class AuthBackendChallengeResponse;
bool authenticated;
std::vector<boost::uint8_t> challenge;
AuthContextChallengeResponse(AuthBackendChallengeResponse *backend);
protected:
virtual bool isAuthenticated() const {
return authenticated;
}
};
static const std::string methodName;
Common::Application *application;
boost::mutex mutex;
boost::mt19937 rng;
boost::uniform_int<boost::uint8_t> byteDistribution;
boost::variate_generator<boost::mt19937&, boost::uniform_int<boost::uint8_t> > randomGenerator;
protected:
virtual const std::string& getMethodName() const {
return methodName;
}
virtual std::vector<std::string> getSubMethods(boost::shared_ptr<Common::AuthProvider> provider) const {
std::vector<std::string> ret;
ret.push_back(provider->getHashes().front());
return ret;
}
virtual boost::shared_ptr<Common::AuthContext> authenticate(boost::shared_ptr<Common::AuthProvider> provider, const std::string &subMethod,
const std::string &user, const std::vector<boost::uint8_t> &data, std::vector<boost::uint8_t> &response,
boost::shared_ptr<Common::AuthContext> context) throw(Core::Exception);
public:
AuthBackendChallengeResponse(Common::Application *application0)
: application(application0), rng(static_cast<boost::uint32_t>(boost::posix_time::microsec_clock::universal_time().time_of_day().total_milliseconds())),
byteDistribution(0, 255), randomGenerator(rng, byteDistribution) {}
};
}
}
}
#endif /* MAD_MODULES_AUTHBACKENDCHALLENGERESPONSE_AUTHBACKENDCHALLENGERESPONSE_H_ */
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