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 struct WebRTCIdentityMsg_RequestIdentity_Params;
  17
  18 namespace content {
  19
  20 class ResourceContext;
  21 class WebRTCIdentityStore;
  22
  23 // This class is the host for WebRTCIdentityService in the browser process.
  24 // It converts the IPC messages for requesting a WebRTC DTLS identity and
  25 // cancelling a pending request into calls of WebRTCIdentityStore. It also sends
  26 // the request result back to the renderer through IPC.
  27 // Only one outstanding request is allowed per renderer at a time. If a second
  28 // request is made before the first one completes, an IPC with error
  29 // ERR_INSUFFICIENT_RESOURCES will be sent back to the renderer.
  30 class CONTENT_EXPORT WebRTCIdentityServiceHost : public BrowserMessageFilter {
  31  public:
  32   WebRTCIdentityServiceHost(int renderer_process_id,
  33                             scoped_refptr<WebRTCIdentityStore> identity_store,
  34                             ResourceContext* resource_context);
  35
  36  protected:
  37   ~WebRTCIdentityServiceHost() override;
  38
  39   // content::BrowserMessageFilter override.
  40   bool OnMessageReceived(const IPC::Message& message) override;
  41
  42  private:
  43   // |request_id| is the same as in the OnRequestIdentity call.
  44   // See WebRTCIdentityStore for the meaning of the parameters.
  45   void OnComplete(int request_id,
  46                   int status,
  47                   const std::string& certificate,
  48                   const std::string& private_key);
  49
  50   // |request_id| is a renderer wide unique number for each request and
  51   // will be echoed in the response to handle the possibility that the renderer
  52   // cancels the request after the browser sends the response and before it's
  53   // received by the renderer.
  54   // See WebRTCIdentityStore for the meaning of the other parameters.
  55   void OnRequestIdentity(
  56       const WebRTCIdentityMsg_RequestIdentity_Params& params);
  57
  58   void OnCancelRequest();
  59
  60   void SendErrorMessage(int request_id, int error);
  61
  62   int renderer_process_id_;
  63   base::Closure cancel_callback_;
  64   scoped_refptr<WebRTCIdentityStore> identity_store_;
  65   ResourceContext* resource_context_;
  66
  67   base::WeakPtrFactory<WebRTCIdentityServiceHost> weak_factory_;
  68
  69   DISALLOW_COPY_AND_ASSIGN(WebRTCIdentityServiceHost);
  70 };
  71
  72 }  // namespace content
  73
  74 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_WEBRTC_IDENTITY_SERVICE_HOST_H_