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scylladb/auth/sasl_challenge.hh
Avi Kivity 0ae22a09d4 LICENSE: Update to version 1.1
Updated terms of non-commercial use (must be a never-customer).
2026-04-12 19:46:33 +03:00

63 lines
1.4 KiB
C++

/*
* Copyright (C) 2019-present ScyllaDB
*
* Modified by ScyllaDB
*/
/*
* SPDX-License-Identifier: (LicenseRef-ScyllaDB-Source-Available-1.1 and Apache-2.0)
*/
#pragma once
#include <functional>
#include <optional>
#include <string_view>
#include <seastar/core/future.hh>
#include <seastar/core/sstring.hh>
#include "auth/authenticated_user.hh"
#include "bytes_fwd.hh"
#include "seastarx.hh"
namespace auth {
///
/// A stateful SASL challenge which supports many authentication schemes (depending on the implementation).
///
class sasl_challenge {
public:
virtual ~sasl_challenge() = default;
virtual bytes evaluate_response(bytes_view client_response) = 0;
virtual bool is_complete() const = 0;
virtual future<authenticated_user> get_authenticated_user() const = 0;
virtual const sstring& get_username() const = 0;
};
class plain_sasl_challenge : public sasl_challenge {
public:
using completion_callback = std::function<future<authenticated_user>(std::string_view, std::string_view)>;
explicit plain_sasl_challenge(completion_callback f) : _when_complete(std::move(f)) {
}
virtual bytes evaluate_response(bytes_view) override;
virtual bool is_complete() const override;
virtual future<authenticated_user> get_authenticated_user() const override;
virtual const sstring& get_username() const override;
private:
std::optional<sstring> _username, _password;
completion_callback _when_complete;
};
}