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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_SSL_SSL_CLIENT_AUTH_OBSERVER_H_
#define CHROME_BROWSER_SSL_SSL_CLIENT_AUTH_OBSERVER_H_
#include "base/callback.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
namespace net {
class SSLCertRequestInfo;
class X509Certificate;
}
namespace content {
class BrowserContext;
class ClientCertificateDelegate;
}
// SSLClientAuthObserver is a base class that wraps a
// ClientCertificateDelegate. It links client certificate selection dialogs
// attached to the same BrowserContext. When CertificateSelected is called via
// one of them, the rest simulate the same action.
class SSLClientAuthObserver : public content::NotificationObserver {
public:
SSLClientAuthObserver(
const content::BrowserContext* browser_context,
const scoped_refptr<net::SSLCertRequestInfo>& cert_request_info,
scoped_ptr<content::ClientCertificateDelegate> delegate);
~SSLClientAuthObserver() override;
// UI should implement this to close the dialog.
virtual void OnCertSelectedByNotification() = 0;
// Continues the request with a certificate. Can also call with NULL to
// continue with no certificate. Derived classes must use this instead of
// caching the delegate and calling it directly.
void CertificateSelected(net::X509Certificate* cert);
// Cancels the certificate selection and aborts the request.
void CancelCertificateSelection();
// Begins observing notifications from other SSLClientAuthHandler instances.
// If another instance chooses a cert for a matching SSLCertRequestInfo, we
// will also use the same cert and OnCertSelectedByNotification will be called
// so that the cert selection UI can be closed.
void StartObserving();
// Stops observing notifications. We will no longer act on client auth
// notifications.
void StopObserving();
net::SSLCertRequestInfo* cert_request_info() const {
return cert_request_info_.get();
}
private:
// content::NotificationObserver implementation:
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
const content::BrowserContext* browser_context_;
scoped_refptr<net::SSLCertRequestInfo> cert_request_info_;
scoped_ptr<content::ClientCertificateDelegate> delegate_;
content::NotificationRegistrar notification_registrar_;
DISALLOW_COPY_AND_ASSIGN(SSLClientAuthObserver);
};
#endif // CHROME_BROWSER_SSL_SSL_CLIENT_AUTH_OBSERVER_H_
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