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 SSLCertRequestInfo;
  15 class X509Certificate;
  16 }
  17
  18 namespace content {
  19 class BrowserContext;
  20 }
  21
  22 class SSLClientAuthObserver : public content::NotificationObserver {
  23  public:
  24   SSLClientAuthObserver(
  25       const content::BrowserContext* browser_context,
  26       const scoped_refptr<net::SSLCertRequestInfo>& cert_request_info,
  27       const base::Callback<void(net::X509Certificate*)>& callback);
  28   ~SSLClientAuthObserver() override;
  29
  30   // UI should implement this to close the dialog.
  31   virtual void OnCertSelectedByNotification() = 0;
  32
  33   // Send content the certificate. Can also call with NULL if the user
  34   // cancelled. Derived classes must use this instead of caching the callback
  35   // and calling it directly.
  36   void CertificateSelected(net::X509Certificate* cert);
  37
  38   // Begins observing notifications from other SSLClientAuthHandler instances.
  39   // If another instance chooses a cert for a matching SSLCertRequestInfo, we
  40   // will also use the same cert and OnCertSelectedByNotification will be called
  41   // so that the cert selection UI can be closed.
  42   void StartObserving();
  43
  44   // Stops observing notifications.  We will no longer act on client auth
  45   // notifications.
  46   void StopObserving();
  47
  48   net::SSLCertRequestInfo* cert_request_info() const {
  49     return cert_request_info_.get();
  50   }
  51
  52  private:
  53   // content::NotificationObserver implementation:
  54   void Observe(int type,
  55                const content::NotificationSource& source,
  56                const content::NotificationDetails& details) override;
  57
  58   const content::BrowserContext* browser_context_;
  59   scoped_refptr<net::SSLCertRequestInfo> cert_request_info_;
  60   base::Callback<void(net::X509Certificate*)> callback_;
  61   content::NotificationRegistrar notification_registrar_;
  62
  63   DISALLOW_COPY_AND_ASSIGN(SSLClientAuthObserver);
  64 };
  65
  66 #endif  // CHROME_BROWSER_SSL_SSL_CLIENT_AUTH_OBSERVER_H_