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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 <tuple>
#include "mongo/db/api_parameters.h"
#include "mongo/db/auth/role_name.h"
#include "mongo/db/auth/user_name.h"
#include "mongo/db/kill_sessions_gen.h"
#include "mongo/db/logical_session_id.h"
namespace mongo {
class OperationContext;
class ServiceContext;
struct KillAllSessionsByPatternItem {
KillAllSessionsByPattern pattern;
APIParameters apiParameters;
};
struct KillAllSessionsByPatternItemHash {
std::size_t operator()(const KillAllSessionsByPatternItem& item) const {
auto& pattern = item.pattern;
if (pattern.getLsid()) {
return lsidHasher(*pattern.getLsid());
} else if (pattern.getUid()) {
return uidHasher(*pattern.getUid());
}
// fall through for killAll
return 0;
}
LogicalSessionIdHash lsidHasher;
SHA256Block::Hash uidHasher;
};
/**
* Patterns are specifically equal if they differ only by impersonate data.
*/
inline bool operator==(const KillAllSessionsByPatternItem& lhs,
const KillAllSessionsByPatternItem& rhs) {
auto makeEqualityLens = [](const auto& item) {
return std::tie(item.pattern.getLsid(), item.pattern.getUid(), item.apiParameters);
};
return makeEqualityLens(lhs) == makeEqualityLens(rhs);
}
inline bool operator!=(const KillAllSessionsByPatternItem& lhs,
const KillAllSessionsByPatternItem& rhs) {
return !(lhs == rhs);
}
using KillAllSessionsByPatternSet =
stdx::unordered_set<KillAllSessionsByPatternItem, KillAllSessionsByPatternItemHash>;
std::tuple<std::vector<UserName>, std::vector<RoleName>> getKillAllSessionsByPatternImpersonateData(
const KillAllSessionsByPattern& pattern);
/**
* Note: All three of the below makeKillAllSessionsByPattern helpers take opCtx to inline the
* required impersonate data
*/
/**
* Constructs a kill sessions pattern which kills all sessions
*/
KillAllSessionsByPatternItem makeKillAllSessionsByPattern(OperationContext* opCtx);
/**
* Constructs a kill sessions pattern for a particular user
*/
KillAllSessionsByPatternItem makeKillAllSessionsByPattern(OperationContext* opCtx,
const KillAllSessionsUser& user);
/**
* Constructs a KillAllSessionsByPatternSet, each element of which matches the UID of a user that is
* currently authenticated on the given connection.
*/
KillAllSessionsByPatternSet makeSessionFilterForAuthenticatedUsers(OperationContext* opCtx);
/**
* Constructs a kill sessions pattern for a particular logical session
*/
KillAllSessionsByPatternItem makeKillAllSessionsByPattern(OperationContext* opCtx,
const LogicalSessionId& lsid);
} // namespace mongo
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