f3eade2f62
Drop the AGPL license in favor of a source-available license. See the blog post [1] for details. [1] https://www.scylladb.com/2024/12/18/why-were-moving-to-a-source-available-license/
74 lines
1.6 KiB
C++
74 lines
1.6 KiB
C++
/*
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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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* SPDX-License-Identifier: (LicenseRef-ScyllaDB-Source-Available-1.0 and Apache-2.0)
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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 <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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friend bool operator==(const authenticated_user&, const authenticated_user&) noexcept = default;
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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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///
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/// The user name, or "anonymous".
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///
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template <>
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struct fmt::formatter<auth::authenticated_user> : fmt::formatter<string_view> {
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template <typename FormatContext>
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auto format(const auth::authenticated_user& u, FormatContext& ctx) const {
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if (u.name) {
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return fmt::format_to(ctx.out(), "{}", *u.name);
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} else {
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return fmt::format_to(ctx.out(), "{}", "anonymous");
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}
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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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