chrome/browser/ssl/ssl_client_auth_observer.h

   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
  13 namespace net {
  14 class HttpNetworkSession;
  15 class SSLCertRequestInfo;
  16 class X509Certificate;
  17 }
  18
  19 class 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_.get();
  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_