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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_PROTOCOL_SESSION_AUTHZ_REAUTHORIZER_H_
#define REMOTING_PROTOCOL_SESSION_AUTHZ_REAUTHORIZER_H_
#include <memory>
#include <string>
#include <string_view>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "net/base/backoff_entry.h"
#include "remoting/base/http_status.h"
#include "remoting/base/session_authz_service_client.h"
#include "remoting/protocol/authenticator.h"
namespace remoting {
namespace internal {
struct ReauthorizeHostResponseStruct;
} // namespace internal
namespace protocol {
// SessionReauthorizer implementation that reauthorizes using the SessionAuthz
// service.
class SessionAuthzReauthorizer {
public:
using OnReauthorizationFailedCallback =
base::OnceCallback<void(HttpStatus::Code,
const Authenticator::RejectionDetails&)>;
// |service_client| must outlive |this|.
SessionAuthzReauthorizer(
SessionAuthzServiceClient* service_client,
std::string_view session_id,
std::string_view session_reauth_token,
base::TimeDelta session_reauth_token_lifetime,
OnReauthorizationFailedCallback on_reauthorization_failed);
~SessionAuthzReauthorizer();
SessionAuthzReauthorizer(const SessionAuthzReauthorizer&) = delete;
SessionAuthzReauthorizer& operator=(const SessionAuthzReauthorizer&) = delete;
void Start();
const net::BackoffEntry* GetBackoffEntryForTest() const;
const std::string& session_reauth_token() const {
return session_reauth_token_;
}
private:
void ScheduleNextReauth();
void Reauthorize();
void OnReauthorizeResult(
const HttpStatus& status,
std::unique_ptr<internal::ReauthorizeHostResponseStruct> response);
void NotifyReauthorizationFailed(
HttpStatus::Code error_code,
const Authenticator::RejectionDetails& details);
raw_ptr<SessionAuthzServiceClient> service_client_;
std::string session_id_;
std::string session_reauth_token_;
base::TimeTicks token_expire_time_;
base::OneShotTimer reauthorize_timer_;
OnReauthorizationFailedCallback on_reauthorization_failed_;
// Non-null iff there is an ongoing retry attempt.
std::unique_ptr<net::BackoffEntry> backoff_entry_;
};
} // namespace protocol
} // namespace remoting
#endif // REMOTING_PROTOCOL_SESSION_AUTHZ_REAUTHORIZER_H_
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