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
12namespace net {
13class StreamSocket;
14}  // namespace net
15
16namespace remoting {
17namespace protocol {
18
19// Interface for channel authentications that perform channel-level
20// authentication. Depending on implementation channel authenticators
21// may also establish SSL connection. Each instance of this interface
22// should be used only once for one channel.
23class ChannelAuthenticator {
24 public:
25  typedef base::Callback<void(int error, scoped_ptr<net::StreamSocket>)>
26      DoneCallback;
27
28  virtual ~ChannelAuthenticator() {}
29
30  // Start authentication of the given |socket|. |done_callback| is called when
31  // authentication is finished. Callback may be invoked before this method
32  // returns, and may delete the calling authenticator.
33  virtual void SecureAndAuthenticate(
34      scoped_ptr<net::StreamSocket> socket,
35      const DoneCallback& done_callback) = 0;
36};
37
38}  // namespace protocol
39}  // namespace remoting
40
41#endif  // REMOTING_PROTOCOL_CHANNEL_AUTHENTICATOR_H_
42