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// Copyright (c) 2009 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.


#include "base/basictypes.h"
#include "base/ref_counted.h"
#include "net/base/ssl_cert_request_info.h"

namespace net {
class X509Certificate;
class URLRequest;

// This class handles the approval and selection of a certificate for SSL client
// authentication by the user.
// It is self-owned and deletes itself when the UI reports the user selection or
// when the URLRequest is cancelled.
class SSLClientAuthHandler
    : public base::RefCountedThreadSafe<SSLClientAuthHandler> {
  SSLClientAuthHandler(URLRequest* request,
                       net::SSLCertRequestInfo* cert_request_info);

  // Asks the user to select a certificate and resumes the URL request with that
  // certificate.
  // Should only be called on the IO thread.
  void SelectCertificate();

  // Invoked when the request associated with this handler is cancelled.
  // Should only be called on the IO thread.
  void OnRequestCancelled();

  // Calls DoCertificateSelected on the I/O thread.
  // Called on the UI thread after the user has made a selection (which may
  // be long after DoSelectCertificate returns, if the UI is modeless/async.)
  void CertificateSelected(net::X509Certificate* cert);

  friend class base::RefCountedThreadSafe<SSLClientAuthHandler>;


  // Asks the user for a cert.
  // Called on the UI thread.
  void DoSelectCertificate();

  // Notifies that the user has selected a cert.
  // Called on the IO thread.
  void DoCertificateSelected(net::X509Certificate* cert);

  // The URLRequest that triggered this client auth.
  URLRequest* request_;

  // The certs to choose from.
  scoped_refptr<net::SSLCertRequestInfo> cert_request_info_;



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