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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 <string>
#include "mongo/base/status.h"
#include "mongo/db/auth/authorization_manager.h"
#include "mongo/db/auth/user_name.h"
namespace mongo {
class Principal;
class OperationContext;
/**
* Public interface for a class that encapsulates all the session information related to system
* state not stored in AuthorizationSession. This is primarily to make AuthorizationSession
* easier to test as well as to allow different implementations in mongos and mongod.
*/
class AuthzSessionExternalState {
AuthzSessionExternalState(const AuthzSessionExternalState&) = delete;
AuthzSessionExternalState& operator=(const AuthzSessionExternalState&) = delete;
public:
static std::unique_ptr<AuthzSessionExternalState> create(AuthorizationManager* authzManager);
virtual ~AuthzSessionExternalState();
AuthorizationManager& getAuthorizationManager();
// Returns true if this connection should be treated as if it has full access to do
// anything, regardless of the current auth state. Currently the reasons why this could be
// are that auth isn't enabled or the connection is a "god" connection.
virtual bool shouldIgnoreAuthChecks() const = 0;
// Returns true if this connection should be treated as a localhost connection with no
// admin authentication users created. This condition is used to allow the creation of
// the first user on a server with authorization enabled.
// NOTE: _checkShouldAllowLocalhost MUST be called at least once before any call to
// shouldAllowLocalhost or we could ignore auth checks incorrectly.
virtual bool shouldAllowLocalhost() const = 0;
// Returns true if this connection should allow extra server configuration actions under
// the localhost exception. This condition is used to allow special privileges on arbiters.
// See SERVER-5479 for details on when this may be removed.
virtual bool serverIsArbiter() const = 0;
// Should be called at the beginning of every new request. This performs the checks
// necessary to determine if localhost connections should be given full access.
virtual void startRequest(OperationContext* opCtx) = 0;
protected:
// This class should never be instantiated directly.
AuthzSessionExternalState(AuthorizationManager* authzManager);
// Pointer to the authorization manager associated with the authorization session
// that owns this object.
//
// TODO(schwerin): Eliminate this back pointer.
AuthorizationManager* _authzManager;
};
} // namespace mongo
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