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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 "mongo/base/string_data.h"
#include "mongo/bson/bsonelement.h"
#include "mongo/bson/bsonobjbuilder.h"
namespace mongo {
/**
* How user management functions should structure the BSON representation of privileges and roles.
*/
enum class PrivilegeFormat {
kOmit, // Privileges should not be included in the BSON representation.
kShowSeparate, // Privileges should be included, each as a separate entry.
kShowAsUserFragment // Privileges and roles should all be collapsed together, and presented as
// a fragment of a user document.
};
namespace auth {
/**
* Proxy for PrivilegeFormat to parse into and out of IDL formats.
*/
class ParsedPrivilegeFormat {
public:
static constexpr StringData kAsUserFragment = "asUserFragment"_sd;
static PrivilegeFormat fromBool(bool fmt) {
return fmt ? PrivilegeFormat::kShowSeparate : PrivilegeFormat::kOmit;
}
ParsedPrivilegeFormat() : _format(PrivilegeFormat::kOmit) {}
explicit ParsedPrivilegeFormat(bool fmt) : _format(fromBool(fmt)) {}
ParsedPrivilegeFormat(PrivilegeFormat fmt) : _format(fmt) {}
ParsedPrivilegeFormat& operator=(bool fmt) {
_format = fromBool(fmt);
return *this;
}
PrivilegeFormat operator*() const {
return _format;
}
static ParsedPrivilegeFormat parseFromBSON(const BSONElement& elem) {
if (elem.eoo()) {
return ParsedPrivilegeFormat();
}
if (elem.isNumber() || elem.isBoolean()) {
return ParsedPrivilegeFormat(elem.trueValue());
}
if ((elem.type() == String) && (elem.String() == kAsUserFragment)) {
return ParsedPrivilegeFormat(PrivilegeFormat::kShowAsUserFragment);
}
uasserted(ErrorCodes::BadValue,
str::stream() << "Failed to parse 'showPrivileges'. 'showPrivileges' should "
"either be a boolean or the string 'asUserFragment', given: "
<< elem.toString());
}
void serializeToBSON(BSONArrayBuilder* bab) const {
if (_format == PrivilegeFormat::kShowAsUserFragment) {
bab->append(kAsUserFragment);
} else {
bab->append(_format == PrivilegeFormat::kShowSeparate);
}
}
void serializeToBSON(StringData fieldName, BSONObjBuilder* bob) const {
if (_format == PrivilegeFormat::kShowAsUserFragment) {
bob->append(fieldName, kAsUserFragment);
} else {
bob->append(fieldName, _format == PrivilegeFormat::kShowSeparate);
}
}
private:
PrivilegeFormat _format;
};
} // namespace auth
} // namespace mongo
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