1 // Copyright (c) 2012 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_PROTOCOL_CHANNEL_AUTHENTICATOR_H_
6 #define REMOTING_PROTOCOL_CHANNEL_AUTHENTICATOR_H_
7 
8 #include <string>
9 
10 #include "base/callback_forward.h"
11 
12 namespace remoting {
13 namespace protocol {
14 
15 class P2PStreamSocket;
16 
17 // Interface for channel authentications that perform channel-level
18 // authentication. Depending on implementation channel authenticators
19 // may also establish SSL connection. Each instance of this interface
20 // should be used only once for one channel.
21 class ChannelAuthenticator {
22  public:
23   typedef base::OnceCallback<void(int error, std::unique_ptr<P2PStreamSocket>)>
24       DoneCallback;
25 
~ChannelAuthenticator()26   virtual ~ChannelAuthenticator() {}
27 
28   // Start authentication of the given |socket|. |done_callback| is called when
29   // authentication is finished. Callback may be invoked before this method
30   // returns, and may delete the calling authenticator.
31   virtual void SecureAndAuthenticate(std::unique_ptr<P2PStreamSocket> socket,
32                                      DoneCallback done_callback) = 0;
33 };
34 
35 }  // namespace protocol
36 }  // namespace remoting
37 
38 #endif  // REMOTING_PROTOCOL_CHANNEL_AUTHENTICATOR_H_
39