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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.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/auth/action_set.h"
#include "mongo/db/auth/action_type.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/auth/privilege.h"
#include "mongo/db/catalog/database_holder.h"
#include "mongo/db/catalog_raii.h"
#include "mongo/db/commands.h"
#include "mongo/db/s/database_sharding_state.h"
#include "mongo/s/request_types/get_database_version_gen.h"
#include "mongo/util/str.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kSharding
namespace mongo {
namespace {
class GetDatabaseVersionCmd final : public TypedCommand<GetDatabaseVersionCmd> {
public:
using Request = GetDatabaseVersion;
class Invocation final : public MinimalInvocationBase {
public:
using MinimalInvocationBase::MinimalInvocationBase;
private:
bool supportsWriteConcern() const override {
return false;
}
// The command parameter happens to be string so it's historically been interpreted
// by parseNs as a collection. Continuing to do so here for unexamined compatibility.
NamespaceString ns() const override {
return NamespaceString(request().getDbName(), _targetDb());
}
void doCheckAuthorization(OperationContext* opCtx) const override {
uassert(ErrorCodes::Unauthorized,
"Unauthorized",
AuthorizationSession::get(opCtx->getClient())
->isAuthorizedForActionsOnResource(
ResourcePattern::forDatabaseName(_targetDb()),
ActionType::getDatabaseVersion));
}
void run(OperationContext* opCtx, rpc::ReplyBuilderInterface* result) override {
uassert(ErrorCodes::IllegalOperation,
str::stream() << definition()->getName() << " can only be run on shard servers",
serverGlobalParams.clusterRole == ClusterRole::ShardServer);
BSONObj versionObj;
AutoGetDb autoDb(opCtx, DatabaseName(boost::none, _targetDb()), MODE_IS);
if (const auto dbVersion =
DatabaseHolder::get(opCtx)->getDbVersion(opCtx, _targetDb())) {
versionObj = dbVersion->toBSON();
}
result->getBodyBuilder().append("dbVersion", versionObj);
}
StringData _targetDb() const {
return request().getCommandParameter();
}
};
std::string help() const override {
return " example: { getDatabaseVersion : 'foo' } ";
}
AllowedOnSecondary secondaryAllowed(ServiceContext*) const override {
return AllowedOnSecondary::kAlways;
}
bool adminOnly() const override {
return true;
}
} getDatabaseVersionCmd;
} // namespace
} // namespace mongo
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