0b8b9381f4
In a follow-up patch abort_source will be used inside those methods. Current pattern is that abort_source is passed everywhere as non const so it needs to be executed in non const context. Closes scylladb/scylladb#17312
142 lines
4.1 KiB
C++
142 lines
4.1 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: (AGPL-3.0-or-later 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 <memory>
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#include <unordered_map>
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#include <optional>
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#include <functional>
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#include <seastar/core/enum.hh>
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#include <seastar/core/future.hh>
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#include <seastar/core/sstring.hh>
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#include <seastar/core/shared_ptr.hh>
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#include "auth/authentication_options.hh"
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#include "auth/resource.hh"
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#include "auth/sasl_challenge.hh"
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namespace db {
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class config;
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}
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namespace auth {
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class authenticated_user;
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// Query alt name info as a single (subject style) string
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using alt_name_func = std::function<future<std::string>()>;
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struct certificate_info {
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std::string subject;
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alt_name_func get_alt_names;
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};
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using session_dn_func = std::function<future<std::optional<certificate_info>>()>;
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///
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/// Abstract client for authenticating role identity.
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///
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/// All state necessary to authorize a role is stored externally to the client instance.
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///
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class authenticator {
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public:
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using ptr_type = std::unique_ptr<authenticator>;
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///
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/// The name of the key to be used for the user-name part of password authentication with \ref authenticate.
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///
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static const sstring USERNAME_KEY;
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///
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/// The name of the key to be used for the password part of password authentication with \ref authenticate.
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///
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static const sstring PASSWORD_KEY;
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using credentials_map = std::unordered_map<sstring, sstring>;
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virtual ~authenticator() = default;
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virtual future<> start() = 0;
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virtual future<> stop() = 0;
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///
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/// A fully-qualified (class with package) Java-like name for this implementation.
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///
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virtual std::string_view qualified_java_name() const = 0;
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virtual bool require_authentication() const = 0;
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virtual authentication_option_set supported_options() const = 0;
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///
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/// A subset of `supported_options()` that users are permitted to alter for themselves.
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///
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virtual authentication_option_set alterable_options() const = 0;
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///
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/// Authenticate a user given implementation-specific credentials.
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///
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/// If this implementation does not require authentication (\ref require_authentication), an anonymous user may
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/// result.
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///
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/// \returns an exceptional future with \ref exceptions::authentication_exception if given invalid credentials.
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///
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virtual future<authenticated_user> authenticate(const credentials_map& credentials) const = 0;
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///
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/// Authenticate (early) using transport info
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///
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/// \returns nullopt if not supported/required. exceptional future if failed
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///
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virtual future<std::optional<authenticated_user>> authenticate(session_dn_func) const;
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///
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/// Create an authentication record for a new user. This is required before the user can log-in.
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///
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/// The options provided must be a subset of `supported_options()`.
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///
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virtual future<> create(std::string_view role_name, const authentication_options& options) = 0;
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///
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/// Alter the authentication record of an existing user.
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///
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/// The options provided must be a subset of `supported_options()`.
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///
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/// Callers must ensure that the specification of `alterable_options()` is adhered to.
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///
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virtual future<> alter(std::string_view role_name, const authentication_options& options) = 0;
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///
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/// Delete the authentication record for a user. This will disallow the user from logging in.
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///
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virtual future<> drop(std::string_view role_name) = 0;
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///
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/// Query for custom options (those corresponding to \ref authentication_options::options).
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///
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/// If no options are set the result is an empty container.
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///
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virtual future<custom_options> query_custom_options(std::string_view role_name) const = 0;
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///
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/// System resources used internally as part of the implementation. These are made inaccessible to users.
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///
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virtual const resource_set& protected_resources() const = 0;
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virtual ::shared_ptr<sasl_challenge> new_sasl_challenge() const = 0;
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};
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}
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