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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef REMOTING_HOST_SECURITY_KEY_GNUBBY_AUTH_HANDLER_H_ | |
6 #define REMOTING_HOST_SECURITY_KEY_GNUBBY_AUTH_HANDLER_H_ | |
7 | |
8 #include <memory> | |
9 #include <string> | |
10 | |
11 #include "base/callback.h" | |
12 #include "base/time/time.h" | |
13 | |
14 namespace base { | |
15 class FilePath; | |
16 } // namespace base | |
17 | |
18 namespace remoting { | |
19 | |
20 class ClientSessionDetails; | |
21 | |
22 // Class responsible for proxying authentication data between a local gnubbyd | |
23 // and the client. | |
24 class GnubbyAuthHandler { | |
25 public: | |
26 virtual ~GnubbyAuthHandler() {} | |
27 | |
28 // Used to send gnubby extension messages to the client. | |
29 typedef base::Callback<void(int connection_id, const std::string& data)> | |
30 SendMessageCallback; | |
31 | |
32 // Creates a platform-specific GnubbyAuthHandler. | |
33 // All invocations of |send_message_callback| are guaranteed to occur before | |
34 // the underlying GnubbyAuthHandler object is destroyed. It is not safe to | |
35 // destroy the GnubbyAuthHandler object within the callback. | |
36 // |client_session_details| will be valid until this instance is destroyed. | |
37 static std::unique_ptr<GnubbyAuthHandler> Create( | |
38 ClientSessionDetails* client_session_details, | |
39 const SendMessageCallback& send_message_callback); | |
40 | |
41 #if defined(OS_LINUX) | |
42 // Specify the name of the socket to listen to gnubby requests on. | |
43 static void SetGnubbySocketName(const base::FilePath& gnubby_socket_name); | |
44 #endif // defined(OS_LINUX) | |
45 | |
46 // Sets the callback used to send messages to the client. | |
47 virtual void SetSendMessageCallback(const SendMessageCallback& callback) = 0; | |
48 | |
49 // Creates the platform specific connection to handle gnubby requests. | |
50 virtual void CreateGnubbyConnection() = 0; | |
51 | |
52 // Returns true if |gnubby_connection_id| represents a valid connection. | |
53 virtual bool IsValidConnectionId(int gnubby_connection_id) const = 0; | |
54 | |
55 // Sends the gnubby response from the client to the local gnubby agent. | |
56 virtual void SendClientResponse(int gnubby_connection_id, | |
57 const std::string& response) = 0; | |
58 | |
59 // Closes the gnubby connection represented by |gnubby_connection_id|. | |
60 virtual void SendErrorAndCloseConnection(int gnubby_connection_id) = 0; | |
61 | |
62 // Returns the number of active gnubby connections. | |
63 virtual size_t GetActiveConnectionCountForTest() const = 0; | |
64 | |
65 // Sets the timeout used when waiting for a gnubby response. | |
66 virtual void SetRequestTimeoutForTest(base::TimeDelta timeout) = 0; | |
67 }; | |
68 | |
69 } // namespace remoting | |
70 | |
71 #endif // REMOTING_HOST_SECURITY_KEY_GNUBBY_AUTH_HANDLER_H_ | |
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