103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Copyright (C) 2016-present ScyllaDB
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*
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* Modified by ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <string_view>
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#include <functional>
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#include <iosfwd>
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#include <optional>
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#include <seastar/core/sstring.hh>
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#include "seastarx.hh"
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namespace auth {
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///
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/// A type-safe wrapper for the name of a logged-in user, or a nameless (anonymous) user.
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///
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class authenticated_user final {
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public:
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///
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/// An anonymous user has no name.
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///
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std::optional<sstring> name{};
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///
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/// An anonymous user.
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///
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authenticated_user() = default;
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explicit authenticated_user(std::string_view name);
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};
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///
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/// The user name, or "anonymous".
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///
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std::ostream& operator<<(std::ostream&, const authenticated_user&);
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inline bool operator==(const authenticated_user& u1, const authenticated_user& u2) noexcept {
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return u1.name == u2.name;
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}
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inline bool operator!=(const authenticated_user& u1, const authenticated_user& u2) noexcept {
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return !(u1 == u2);
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}
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const authenticated_user& anonymous_user() noexcept;
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inline bool is_anonymous(const authenticated_user& u) noexcept {
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return u == anonymous_user();
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}
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}
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namespace std {
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template <>
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struct hash<auth::authenticated_user> final {
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size_t operator()(const auth::authenticated_user &u) const {
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return std::hash<std::optional<sstring>>()(u.name);
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}
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};
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}
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