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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/commands/feature_compatibility_version_command_parser.h"
#include "mongo/base/status_with.h"
#include "mongo/bson/bsonobj.h"
#include "mongo/db/command_generic_argument.h"
#include "mongo/db/commands.h"
#include "mongo/db/commands/feature_compatibility_version_documentation.h"
#include "mongo/db/commands/feature_compatibility_version_parser.h"
namespace mongo {
constexpr StringData FeatureCompatibilityVersionCommandParser::kCommandName;
StatusWith<std::string> FeatureCompatibilityVersionCommandParser::extractVersionFromCommand(
StringData commandName, const BSONObj& cmdObj) {
if (cmdObj.firstElementFieldName() != commandName) {
return {ErrorCodes::InternalError,
str::stream() << "Expected to find a " << commandName << " command, but found "
<< cmdObj};
}
const auto versionElem = cmdObj.firstElement();
if (versionElem.type() != BSONType::String) {
return {ErrorCodes::TypeMismatch,
str::stream() << "Command argument must be of type "
"String, but was of type "
<< typeName(versionElem.type())
<< " in: "
<< cmdObj
<< ". See "
<< feature_compatibility_version_documentation::kCompatibilityLink
<< "."};
}
// Ensure that the command does not contain any unrecognized parameters
for (const auto& cmdElem : cmdObj) {
const auto fieldName = cmdElem.fieldNameStringData();
if (fieldName == commandName || isGenericArgument(fieldName)) {
continue;
}
uasserted(ErrorCodes::InvalidOptions,
str::stream() << "Unrecognized field found " << cmdElem.fieldNameStringData()
<< " in "
<< cmdObj
<< ". See "
<< feature_compatibility_version_documentation::kCompatibilityLink
<< ".");
}
const std::string version = versionElem.String();
if (version != FeatureCompatibilityVersionParser::kVersion42 &&
version != FeatureCompatibilityVersionParser::kVersion40) {
return {ErrorCodes::BadValue,
str::stream() << "Invalid command argument. Expected '"
<< FeatureCompatibilityVersionParser::kVersion42
<< "' or '"
<< FeatureCompatibilityVersionParser::kVersion40
<< "', found "
<< version
<< " in: "
<< cmdObj
<< ". See "
<< feature_compatibility_version_documentation::kCompatibilityLink
<< "."};
}
return version;
}
} // namespace mongo
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