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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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"
#include "mongo/db/auth/sasl_mechanism_registry.h"
namespace mongo {
class Client;
/**
* Type representing an ongoing authentication session.
*/
class AuthenticationSession {
MONGO_DISALLOW_COPYING(AuthenticationSession);
public:
explicit AuthenticationSession(std::unique_ptr<ServerMechanismBase> mech)
: _mech(std::move(mech)) {}
/**
* Sets the authentication session for the given "client" to "newSession".
*/
static void set(Client* client, std::unique_ptr<AuthenticationSession> newSession);
/**
* Swaps "client"'s current authentication session with "other".
*/
static void swap(Client* client, std::unique_ptr<AuthenticationSession>& other);
/**
* Return an identifer of the type of session, so that a caller can safely cast it and
* extract the type-specific data stored within.
*/
ServerMechanismBase& getMechanism() const {
invariant(_mech);
return *_mech;
}
private:
std::unique_ptr<ServerMechanismBase> _mech;
};
} // namespace mongo
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