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/**
* Copyright (C) 2015 MongoDB 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.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kCommand
#include "mongo/platform/basic.h"
#include "mongo/db/auth/role_graph.h"
#include "mongo/db/commands.h"
#include "mongo/s/catalog_cache.h"
#include "mongo/s/grid.h"
#include "mongo/util/log.h"
namespace mongo {
namespace {
class EvalCmd : public BasicCommand {
public:
EvalCmd() : BasicCommand("eval", "$eval") {}
AllowedOnSecondary secondaryAllowed(ServiceContext*) const override {
return AllowedOnSecondary::kAlways;
}
void addRequiredPrivileges(const std::string& dbName,
const BSONObj& cmdObj,
std::vector<Privilege>* out) const override {
// $eval can do pretty much anything, so require all privileges.
RoleGraph::generateUniversalPrivileges(out);
}
bool supportsWriteConcern(const BSONObj& cmd) const override {
return false;
}
bool run(OperationContext* opCtx,
const std::string& dbName,
const BSONObj& cmdObj,
BSONObjBuilder& result) override {
RARELY {
warning() << "the eval command is deprecated" << startupWarningsLog;
}
// $eval isn't allowed to access sharded collections, but we need to leave the shard to
// detect that
const auto dbInfo =
uassertStatusOK(Grid::get(opCtx)->catalogCache()->getDatabase(opCtx, dbName));
auto shard =
uassertStatusOK(Grid::get(opCtx)->shardRegistry()->getShard(opCtx, dbInfo.primaryId()));
auto commandResponse = uassertStatusOK(
shard->runCommand(opCtx,
ReadPreferenceSetting::get(opCtx),
dbName,
CommandHelpers::filterCommandRequestForPassthrough(cmdObj),
Shard::RetryPolicy::kNoRetry));
result.appendElementsUnique(
CommandHelpers::filterCommandReplyForPassthrough(commandResponse.response));
return true;
}
} evalCmd;
} // namespace
} // namespace mongo
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