content/browser/renderer_host/media/webrtc_identity_service_host.h

   1 // Copyright 2013 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 CONTENT_BROWSER_RENDERER_HOST_MEDIA_WEBRTC_IDENTITY_SERVICE_HOST_H_
   6 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_WEBRTC_IDENTITY_SERVICE_HOST_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "content/common/content_export.h"
  12 #include "content/public/browser/browser_message_filter.h"
  13
  14 class GURL;
  15
  16 namespace content {
  17
  18 class WebRTCIdentityStore;
  19
  20 // This class is the host for WebRTCIdentityService in the browser process.
  21 // It converts the IPC messages for requesting a WebRTC DTLS identity and
  22 // cancelling a pending request into calls of WebRTCIdentityStore. It also sends
  23 // the request result back to the renderer through IPC.
  24 // Only one outstanding request is allowed per renderer at a time. If a second
  25 // request is made before the first one completes, an IPC with error
  26 // ERR_INSUFFICIENT_RESOURCES will be sent back to the renderer.
  27 class CONTENT_EXPORT WebRTCIdentityServiceHost : public BrowserMessageFilter {
  28  public:
  29   WebRTCIdentityServiceHost(int renderer_process_id,
  30                             scoped_refptr<WebRTCIdentityStore> identity_store);
  31
  32  protected:
  33   virtual ~WebRTCIdentityServiceHost();
  34
  35   // content::BrowserMessageFilter override.
  36   virtual bool OnMessageReceived(const IPC::Message& message,
  37                                  bool* message_was_ok) OVERRIDE;
  38
  39  private:
  40   // |sequence_number| is the same as in the OnRequestIdentity call.
  41   // See WebRTCIdentityStore for the meaning of the parameters.
  42   void OnComplete(int sequence_number,
  43                   int status,
  44                   const std::string& certificate,
  45                   const std::string& private_key);
  46
  47   // |sequence_number| is a renderer wide unique number for each request and
  48   // will be echoed in the response to handle the possibility that the renderer
  49   // cancels the request after the browser sends the response and before it's
  50   // received by the renderer.
  51   // See WebRTCIdentityStore for the meaning of the other parameters.
  52   void OnRequestIdentity(int sequence_number,
  53                          const GURL& origin,
  54                          const std::string& identity_name,
  55                          const std::string& common_name);
  56
  57   void OnCancelRequest();
  58
  59   void SendErrorMessage(int sequence_number, int error);
  60
  61   int renderer_process_id_;
  62   base::Closure cancel_callback_;
  63   scoped_refptr<WebRTCIdentityStore> identity_store_;
  64   base::WeakPtrFactory<WebRTCIdentityServiceHost> weak_factory_;
  65
  66   DISALLOW_COPY_AND_ASSIGN(WebRTCIdentityServiceHost);
  67 };
  68
  69 }  // namespace content
  70
  71 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_WEBRTC_IDENTITY_SERVICE_HOST_H_