src/chrome/browser/ssl/ssl_client_auth_observer.cc

   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 #include "chrome/browser/ssl/ssl_client_auth_observer.h"
   6
   7 #include <utility>
   8
   9 #include "base/bind.h"
  10 #include "base/logging.h"
  11 #include "chrome/browser/chrome_notification_types.h"
  12 #include "content/public/browser/browser_thread.h"
  13 #include "content/public/browser/notification_service.h"
  14 #include "net/cert/x509_certificate.h"
  15 #include "net/ssl/ssl_cert_request_info.h"
  16
  17 using content::BrowserThread;
  18
  19 typedef std::pair<net::SSLCertRequestInfo*, net::X509Certificate*> CertDetails;
  20
  21 SSLClientAuthObserver::SSLClientAuthObserver(
  22     const content::BrowserContext* browser_context,
  23     const scoped_refptr<net::SSLCertRequestInfo>& cert_request_info,
  24     const base::Callback<void(net::X509Certificate*)>& callback)
  25     : browser_context_(browser_context),
  26       cert_request_info_(cert_request_info),
  27       callback_(callback) {
  28 }
  29
  30 SSLClientAuthObserver::~SSLClientAuthObserver() {
  31 }
  32
  33 void SSLClientAuthObserver::CertificateSelected(
  34     net::X509Certificate* certificate) {
  35   if (callback_.is_null())
  36     return;
  37
  38   // Stop listening right away so we don't get our own notification.
  39   StopObserving();
  40
  41   CertDetails details;
  42   details.first = cert_request_info_.get();
  43   details.second = certificate;
  44   content::NotificationService* service =
  45       content::NotificationService::current();
  46   service->Notify(chrome::NOTIFICATION_SSL_CLIENT_AUTH_CERT_SELECTED,
  47                   content::Source<content::BrowserContext>(browser_context_),
  48                   content::Details<CertDetails>(&details));
  49
  50   callback_.Run(certificate);
  51   callback_.Reset();
  52 }
  53
  54 void SSLClientAuthObserver::Observe(
  55     int type,
  56     const content::NotificationSource& source,
  57     const content::NotificationDetails& details) {
  58   DVLOG(1) << "SSLClientAuthObserver::Observe " << this;
  59   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  60   DCHECK(type == chrome::NOTIFICATION_SSL_CLIENT_AUTH_CERT_SELECTED);
  61
  62   CertDetails* cert_details = content::Details<CertDetails>(details).ptr();
  63   if (!cert_details->first->host_and_port.Equals(
  64            cert_request_info_->host_and_port))
  65     return;
  66
  67   DVLOG(1) << this << " got matching notification and selecting cert "
  68            << cert_details->second;
  69   StopObserving();
  70   callback_.Run(cert_details->second);
  71   callback_.Reset();
  72   OnCertSelectedByNotification();
  73 }
  74
  75 void SSLClientAuthObserver::StartObserving() {
  76   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  77   notification_registrar_.Add(
  78       this, chrome::NOTIFICATION_SSL_CLIENT_AUTH_CERT_SELECTED,
  79       content::Source<content::BrowserContext>(browser_context_));
  80 }
  81
  82 void SSLClientAuthObserver::StopObserving() {
  83   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  84   notification_registrar_.RemoveAll();
  85 }