Revert of Renaming Gnubby and RemoteSecurityKey files/classes/members

remoting/host/security_key/remote_security_key_ipc_client.h

+// Copyright 2016 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_HOST_SECURITY_KEY_REMOTE_SECURITY_KEY_IPC_CLIENT_H_
+#define REMOTING_HOST_SECURITY_KEY_REMOTE_SECURITY_KEY_IPC_CLIENT_H_
+
+#include <memory>
+#include <string>
+
+#include "base/callback.h"
+#include "base/memory/weak_ptr.h"
+#include "base/threading/thread_checker.h"
+#include "ipc/ipc_listener.h"
+
+namespace IPC {
+class Channel;
+class Message;
+}  // IPC
+
+namespace remoting {
+
+// Responsible for handing the client end of the IPC channel between the
+// the network process (server) and remote_security_key process (client).
+// The public methods are virtual to allow for using fake objects for testing.
+class RemoteSecurityKeyIpcClient : public IPC::Listener {
+ public:
+  RemoteSecurityKeyIpcClient();
+  ~RemoteSecurityKeyIpcClient() override;
+
+  // Used to send gnubby extension messages to the client.
+  typedef base::Callback<void(const std::string& response_data)>
+      ResponseCallback;
+
+  // Returns true if there is an active remoting session which supports
+  // security key request forwarding.
+  virtual bool WaitForSecurityKeyIpcServerChannel();
+
+  // Begins the process of connecting to the IPC channel which will be used for
+  // exchanging security key messages.
+  // |connection_ready_callback| is called when a channel has been established
+  // and security key requests can be sent.
+  // |connection_error_callback| is stored and will be called back for any
+  // unexpected errors that occur while establishing, or during, the session.
+  virtual void EstablishIpcConnection(
+      const base::Closure& connection_ready_callback,
+      const base::Closure& connection_error_callback);
+
+  // Sends a security key request message to the network process to be forwarded
+  // to the remote client.
+  virtual bool SendSecurityKeyRequest(
+      const std::string& request_payload,
+      const ResponseCallback& response_callback);
+
+  // Closes the IPC channel if connected.
+  virtual void CloseIpcConnection();
+
+  // Allows tests to override the initial IPC channel used to retrieve IPC
+  // connection details.
+  void SetInitialIpcChannelNameForTest(
+      const std::string& initial_ipc_channel_name);
+
+  // Allows tests to override the expected session ID.
+  void SetExpectedIpcServerSessionIdForTest(uint32_t expected_session_id);
+
+ private:
+  // IPC::Listener implementation.
+  bool OnMessageReceived(const IPC::Message& message) override;
+  void OnChannelConnected(int32_t peer_pid) override;
+  void OnChannelError() override;
+
+  // Handles the ConnectionDetails IPC message.
+  void OnConnectionDetails(const std::string& request_data);
+
+  // Handles security key response IPC messages.
+  void OnSecurityKeyResponse(const std::string& request_data);
+
+  // Establishes a connection to the specified IPC Server channel.
+  void ConnectToIpcChannel(const std::string& channel_name);
+
+  // Used to validate the IPC Server process is running in the correct session.
+  // '0' (default) corresponds to the session the network process runs in.
+  uint32_t expected_ipc_server_session_id_ = 0;
+
+  // Name for the IPC channel used for exchanging security key messages.
+  std::string ipc_channel_name_;
+
+  // Name of the initial IPC channel used to retrieve connection info.
+  std::string initial_ipc_channel_name_;
+
+  // Signaled when the IPC connection is ready for security key requests.
+  base::Closure connection_ready_callback_;
+
+  // Signaled when an error occurs in either the IPC channel or communication.
+  base::Closure connection_error_callback_;
+
+  // Signaled when a security key response has been received.
+  ResponseCallback response_callback_;
+
+  // Used for sending/receiving security key messages between processes.
+  std::unique_ptr<IPC::Channel> ipc_channel_;
+
+  base::ThreadChecker thread_checker_;
+
+  base::WeakPtrFactory<RemoteSecurityKeyIpcClient> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(RemoteSecurityKeyIpcClient);
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_HOST_SECURITY_KEY_REMOTE_SECURITY_KEY_IPC_CLIENT_H_