src/chrome/browser/renderer_host/pepper/pepper_crx_file_system_message_filter.h

   1 // Copyright (c) 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 CHROME_BROWSER_RENDERER_HOST_PEPPER_PEPPER_CRX_FILE_SYSTEM_MESSAGE_FILTER_H_
   6 #define CHROME_BROWSER_RENDERER_HOST_PEPPER_PEPPER_CRX_FILE_SYSTEM_MESSAGE_FILTER_H_
   7
   8 #include <set>
   9 #include <string>
  10
  11 #include "base/files/file_path.h"
  12 #include "ppapi/c/pp_instance.h"
  13 #include "ppapi/c/pp_resource.h"
  14 #include "ppapi/host/resource_host.h"
  15 #include "ppapi/host/resource_message_filter.h"
  16 #include "url/gurl.h"
  17
  18 class Profile;
  19
  20 namespace content {
  21 class BrowserPpapiHost;
  22 }
  23
  24 namespace ppapi {
  25 namespace host {
  26 struct HostMessageContext;
  27 }  // namespace host
  28 }  // namespace ppapi
  29
  30 namespace chrome {
  31
  32 class PepperCrxFileSystemMessageFilter
  33     : public ppapi::host::ResourceMessageFilter {
  34  public:
  35   static PepperCrxFileSystemMessageFilter* Create(
  36       PP_Instance instance,
  37       content::BrowserPpapiHost* host);
  38
  39   // ppapi::host::ResourceMessageFilter implementation.
  40   virtual scoped_refptr<base::TaskRunner> OverrideTaskRunnerForMessage(
  41       const IPC::Message& msg) OVERRIDE;
  42   virtual int32_t OnResourceMessageReceived(
  43       const IPC::Message& msg,
  44       ppapi::host::HostMessageContext* context) OVERRIDE;
  45
  46  private:
  47   PepperCrxFileSystemMessageFilter(
  48       int render_process_id,
  49       const base::FilePath& profile_directory,
  50       const GURL& document_url);
  51
  52   virtual ~PepperCrxFileSystemMessageFilter();
  53
  54   Profile* GetProfile();
  55
  56   // Returns filesystem id of isolated filesystem if valid, or empty string
  57   // otherwise.  This must run on the UI thread because ProfileManager only
  58   // allows access on that thread.
  59   std::string CreateIsolatedFileSystem(Profile* profile);
  60
  61   int32_t OnOpenFileSystem(ppapi::host::HostMessageContext* context);
  62
  63   const int render_process_id_;
  64   const base::FilePath& profile_directory_;
  65   const GURL document_url_;
  66
  67   // Set of origins that can use CrxFs private APIs from NaCl.
  68   std::set<std::string> allowed_crxfs_origins_;
  69
  70   DISALLOW_COPY_AND_ASSIGN(PepperCrxFileSystemMessageFilter);
  71 };
  72
  73 }  // namespace chrome
  74
  75 #endif  // CHROME_BROWSER_RENDERER_HOST_PEPPER_PEPPER_CRX_FILE_SYSTEM_MESSAGE_FILTER_H_