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/* Copyright 2012 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#pragma once
#include <memory>
#include "mongo/base/disallow_copying.h"
namespace mongo {
class ClientBasic;
/**
* Abstract type representing an ongoing authentication session.
*
* An example subclass is MongoAuthenticationSession.
*/
class AuthenticationSession {
MONGO_DISALLOW_COPYING(AuthenticationSession);
public:
enum SessionType {
SESSION_TYPE_MONGO, // The mongo-specific challenge-response authentication mechanism.
SESSION_TYPE_SASL // SASL authentication mechanism.
};
/**
* Sets the authentication session for the given "client" to "newSession".
*/
static void set(ClientBasic* client, std::unique_ptr<AuthenticationSession> newSession);
/**
* Swaps "client"'s current authentication session with "other".
*/
static void swap(ClientBasic* client, std::unique_ptr<AuthenticationSession>& other);
virtual ~AuthenticationSession() = default;
/**
* Return an identifer of the type of session, so that a caller can safely cast it and
* extract the type-specific data stored within.
*/
SessionType getType() const { return _sessionType; }
protected:
explicit AuthenticationSession(SessionType sessionType) : _sessionType(sessionType) {}
private:
const SessionType _sessionType;
};
} // namespace mongo
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