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- // Copyright 2013 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef REMOTING_PROTOCOL_THIRD_PARTY_CLIENT_AUTHENTICATOR_H_
- #define REMOTING_PROTOCOL_THIRD_PARTY_CLIENT_AUTHENTICATOR_H_
- #include <memory>
- #include <string>
- #include "base/callback.h"
- #include "base/memory/weak_ptr.h"
- #include "remoting/protocol/client_authentication_config.h"
- #include "remoting/protocol/third_party_authenticator_base.h"
- #include "remoting/protocol/token_validator.h"
- namespace remoting {
- namespace protocol {
- // Implements the client side of the third party authentication mechanism.
- // The client authenticator expects a |token_url| and |scope| in the first
- // message from the host, then calls the |TokenFetcher| asynchronously to
- // request a |token| and |shared_secret| from that url. If the server requires
- // interactive authentication, the |TokenFetcher| implementation will show the
- // appropriate UI. Once the |TokenFetcher| returns, the client sends the |token|
- // to the host, and uses the |shared_secret| to create an underlying
- // |V2Authenticator|, which is used to establish the encrypted connection.
- class ThirdPartyClientAuthenticator : public ThirdPartyAuthenticatorBase {
- public:
- // Creates a third-party client authenticator.
- // |create_base_authenticator_callback| is used to create the base
- // authenticator. |token_fetcher| is used to get the authentication token.
- ThirdPartyClientAuthenticator(
- const CreateBaseAuthenticatorCallback& create_base_authenticator_callback,
- const FetchThirdPartyTokenCallback& fetch_token_callback);
- ThirdPartyClientAuthenticator(const ThirdPartyClientAuthenticator&) = delete;
- ThirdPartyClientAuthenticator& operator=(
- const ThirdPartyClientAuthenticator&) = delete;
- ~ThirdPartyClientAuthenticator() override;
- protected:
- // ThirdPartyAuthenticator implementation.
- void ProcessTokenMessage(const jingle_xmpp::XmlElement* message,
- base::OnceClosure resume_callback) override;
- void AddTokenElements(jingle_xmpp::XmlElement* message) override;
- private:
- void OnThirdPartyTokenFetched(
- base::OnceClosure resume_callback,
- const std::string& third_party_token,
- const TokenValidator::ValidationResult& validation_result);
- CreateBaseAuthenticatorCallback create_base_authenticator_callback_;
- FetchThirdPartyTokenCallback fetch_token_callback_;
- std::string token_;
- base::WeakPtrFactory<ThirdPartyClientAuthenticator> weak_factory_{this};
- };
- } // namespace protocol
- } // namespace remoting
- #endif // REMOTING_PROTOCOL_THIRD_PARTY_CLIENT_AUTHENTICATOR_H_
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