ssl_client_auth_observer.h revision 5821806d5e7f356e8fa4b058a389a808ea183019 
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 CHROME_BROWSER_SSL_SSL_CLIENT_AUTH_OBSERVER_H_
6#define CHROME_BROWSER_SSL_SSL_CLIENT_AUTH_OBSERVER_H_
7
8#include "base/callback.h"
9#include "base/memory/ref_counted.h"
10#include "content/public/browser/notification_observer.h"
11#include "content/public/browser/notification_registrar.h"
12
13namespace net {
14class HttpNetworkSession;
15class SSLCertRequestInfo;
16class X509Certificate;
17}
18
19class SSLClientAuthObserver : public content::NotificationObserver {
20 public:
21  SSLClientAuthObserver(
22      const net::HttpNetworkSession* network_session,
23      net::SSLCertRequestInfo* cert_request_info,
24      const base::Callback<void(net::X509Certificate*)>& callback);
25  virtual ~SSLClientAuthObserver();
26
27  // UI should implement this to close the dialog.
28  virtual void OnCertSelectedByNotification() = 0;
29
30  // Send content the certificate. Can also call with NULL if the user
31  // cancelled. Derived classes must use this instead of caching the callback
32  // and calling it directly.
33  void CertificateSelected(net::X509Certificate* cert);
34
35  // Begins observing notifications from other SSLClientAuthHandler instances.
36  // If another instance chooses a cert for a matching SSLCertRequestInfo, we
37  // will also use the same cert and OnCertSelectedByNotification will be called
38  // so that the cert selection UI can be closed.
39  void StartObserving();
40
41  // Stops observing notifications.  We will no longer act on client auth
42  // notifications.
43  void StopObserving();
44
45  net::SSLCertRequestInfo* cert_request_info() const {
46    return cert_request_info_;
47  }
48
49 private:
50  // content::NotificationObserver implementation:
51  virtual void Observe(int type,
52                       const content::NotificationSource& source,
53                       const content::NotificationDetails& details) OVERRIDE;
54
55  const net::HttpNetworkSession* network_session_;
56  scoped_refptr<net::SSLCertRequestInfo> cert_request_info_;
57  base::Callback<void(net::X509Certificate*)> callback_;
58  content::NotificationRegistrar notification_registrar_;
59
60  DISALLOW_COPY_AND_ASSIGN(SSLClientAuthObserver);
61};
62
63#endif  // CHROME_BROWSER_SSL_SSL_CLIENT_AUTH_OBSERVER_H_
64