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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_EXTENSION_SESSION_H_ | |
6 #define REMOTING_HOST_SECURITY_KEY_GNUBBY_EXTENSION_SESSION_H_ | |
7 | |
8 #include <memory> | |
9 #include <string> | |
10 | |
11 #include "base/callback.h" | |
12 #include "base/macros.h" | |
13 #include "base/threading/thread_checker.h" | |
14 #include "remoting/host/host_extension_session.h" | |
15 | |
16 namespace base { | |
17 class DictionaryValue; | |
18 } | |
19 | |
20 namespace remoting { | |
21 | |
22 class ClientSessionDetails; | |
23 class GnubbyAuthHandler; | |
24 | |
25 namespace protocol { | |
26 class ClientStub; | |
27 } | |
28 | |
29 // A HostExtensionSession implementation that enables Security Key support. | |
30 class GnubbyExtensionSession : public HostExtensionSession { | |
31 public: | |
32 GnubbyExtensionSession(ClientSessionDetails* client_session_details, | |
33 protocol::ClientStub* client_stub); | |
34 ~GnubbyExtensionSession() override; | |
35 | |
36 // HostExtensionSession interface. | |
37 bool OnExtensionMessage(ClientSessionDetails* client_session_details, | |
38 protocol::ClientStub* client_stub, | |
39 const protocol::ExtensionMessage& message) override; | |
40 | |
41 // Allows the underlying GnubbyAuthHandler to be overridden for unit testing. | |
42 void SetGnubbyAuthHandlerForTesting( | |
43 std::unique_ptr<GnubbyAuthHandler> gnubby_auth_handler); | |
44 | |
45 private: | |
46 // These methods process specific gnubby extension message types. | |
47 void ProcessControlMessage(base::DictionaryValue* message_data) const; | |
48 void ProcessDataMessage(base::DictionaryValue* message_data) const; | |
49 void ProcessErrorMessage(base::DictionaryValue* message_data) const; | |
50 | |
51 void SendMessageToClient(int connection_id, const std::string& data) const; | |
52 | |
53 // Ensures GnubbyExtensionSession methods are called on the same thread. | |
54 base::ThreadChecker thread_checker_; | |
55 | |
56 // Interface through which messages can be sent to the client. | |
57 protocol::ClientStub* client_stub_ = nullptr; | |
58 | |
59 // Handles platform specific gnubby operations. | |
60 std::unique_ptr<GnubbyAuthHandler> gnubby_auth_handler_; | |
61 | |
62 DISALLOW_COPY_AND_ASSIGN(GnubbyExtensionSession); | |
63 }; | |
64 | |
65 } // namespace remoting | |
66 | |
67 #endif // REMOTING_HOST_SECURITY_KEY_GNUBBY_EXTENSION_SESSION_H_ | |
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