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 "base/memory/scoped_ptr.h"
  11 #include "content/public/browser/notification_observer.h"
  12 #include "content/public/browser/notification_registrar.h"
  13
  14 namespace net {
  15 class SSLCertRequestInfo;
  16 class X509Certificate;
  17 }
  18
  19 namespace content {
  20 class BrowserContext;
  21 class ClientCertificateDelegate;
  22 }
  23
  24 // SSLClientAuthObserver is a base class that wraps a
  25 // ClientCertificateDelegate. It links client certificate selection dialogs
  26 // attached to the same BrowserContext. When CertificateSelected is called via
  27 // one of them, the rest simulate the same action.
  28 class SSLClientAuthObserver : public content::NotificationObserver {
  29  public:
  30   SSLClientAuthObserver(
  31       const content::BrowserContext* browser_context,
  32       const scoped_refptr<net::SSLCertRequestInfo>& cert_request_info,
  33       scoped_ptr<content::ClientCertificateDelegate> delegate);
  34   ~SSLClientAuthObserver() override;
  35
  36   // UI should implement this to close the dialog.
  37   virtual void OnCertSelectedByNotification() = 0;
  38
  39   // Continues the request with a certificate. Can also call with NULL to
  40   // continue with no certificate. Derived classes must use this instead of
  41   // caching the delegate and calling it directly.
  42   void CertificateSelected(net::X509Certificate* cert);
  43
  44   // Cancels the certificate selection and aborts the request.
  45   void CancelCertificateSelection();
  46
  47   // Begins observing notifications from other SSLClientAuthHandler instances.
  48   // If another instance chooses a cert for a matching SSLCertRequestInfo, we
  49   // will also use the same cert and OnCertSelectedByNotification will be called
  50   // so that the cert selection UI can be closed.
  51   void StartObserving();
  52
  53   // Stops observing notifications.  We will no longer act on client auth
  54   // notifications.
  55   void StopObserving();
  56
  57   net::SSLCertRequestInfo* cert_request_info() const {
  58     return cert_request_info_.get();
  59   }
  60
  61  private:
  62   // content::NotificationObserver implementation:
  63   void Observe(int type,
  64                const content::NotificationSource& source,
  65                const content::NotificationDetails& details) override;
  66
  67   const content::BrowserContext* browser_context_;
  68   scoped_refptr<net::SSLCertRequestInfo> cert_request_info_;
  69   scoped_ptr<content::ClientCertificateDelegate> delegate_;
  70   content::NotificationRegistrar notification_registrar_;
  71
  72   DISALLOW_COPY_AND_ASSIGN(SSLClientAuthObserver);
  73 };
  74
  75 #endif  // CHROME_BROWSER_SSL_SSL_CLIENT_AUTH_OBSERVER_H_