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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 <string>
#include "mongo/db/keys_collection_document.h"
#include "mongo/db/keys_collection_manager.h"
namespace mongo {
class OperationContext;
class LogicalTime;
class ServiceContext;
/**
* This implementation of the KeysCollectionManager always returns a zeroed key. This is a
* transitional type to bridge the gap until we decide how to store and rotate keys in standalones
* and non-clustered replica sets.
*/
class KeysCollectionManagerZero : public KeysCollectionManager {
public:
KeysCollectionManagerZero(std::string purpose);
/**
* Return a key that is valid for the given time and also matches the keyId.
*/
StatusWith<KeysCollectionDocument> getKeyForValidation(OperationContext* opCtx,
long long keyId,
const LogicalTime& forThisTime) override;
/**
* Returns a key that is valid for the given time.
*/
StatusWith<KeysCollectionDocument> getKeyForSigning(OperationContext* opCtx,
const LogicalTime& forThisTime) override;
void clearCache() override;
private:
std::string _purpose;
};
} // namespace mongo
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