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   ~WebRTCIdentityServiceHost() override;
  34
  35   // content::BrowserMessageFilter override.
  36   bool OnMessageReceived(const IPC::Message& message) override;
  37
  38  private:
  39   // |sequence_number| is the same as in the OnRequestIdentity call.
  40   // See WebRTCIdentityStore for the meaning of the parameters.
  41   void OnComplete(int sequence_number,
  42                   int status,
  43                   const std::string& certificate,
  44                   const std::string& private_key);
  45
  46   // |sequence_number| is a renderer wide unique number for each request and
  47   // will be echoed in the response to handle the possibility that the renderer
  48   // cancels the request after the browser sends the response and before it's
  49   // received by the renderer.
  50   // See WebRTCIdentityStore for the meaning of the other parameters.
  51   void OnRequestIdentity(int sequence_number,
  52                          const GURL& origin,
  53                          const std::string& identity_name,
  54                          const std::string& common_name);
  55
  56   void OnCancelRequest();
  57
  58   void SendErrorMessage(int sequence_number, int error);
  59
  60   int renderer_process_id_;
  61   base::Closure cancel_callback_;
  62   scoped_refptr<WebRTCIdentityStore> identity_store_;
  63   base::WeakPtrFactory<WebRTCIdentityServiceHost> weak_factory_;
  64
  65   DISALLOW_COPY_AND_ASSIGN(WebRTCIdentityServiceHost);
  66 };
  67
  68 }  // namespace content
  69
  70 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_WEBRTC_IDENTITY_SERVICE_HOST_H_