src/chrome/browser/renderer_host/pepper/pepper_isolated_file_system_message_filter.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 CHROME_BROWSER_RENDERER_HOST_PEPPER_PEPPER_ISOLATED_FILE_SYSTEM_MESSAGE_FILTER_H_
   6 #define CHROME_BROWSER_RENDERER_HOST_PEPPER_PEPPER_ISOLATED_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/c/private/ppb_isolated_file_system_private.h"
  15 #include "ppapi/host/resource_host.h"
  16 #include "ppapi/host/resource_message_filter.h"
  17 #include "url/gurl.h"
  18
  19 class Profile;
  20
  21 namespace content {
  22 class BrowserPpapiHost;
  23 }
  24
  25 namespace ppapi {
  26 namespace host {
  27 struct HostMessageContext;
  28 }  // namespace host
  29 }  // namespace ppapi
  30
  31 namespace chrome {
  32
  33 class PepperIsolatedFileSystemMessageFilter
  34     : public ppapi::host::ResourceMessageFilter {
  35  public:
  36   static PepperIsolatedFileSystemMessageFilter* Create(
  37       PP_Instance instance,
  38       content::BrowserPpapiHost* host);
  39
  40   // ppapi::host::ResourceMessageFilter implementation.
  41   virtual scoped_refptr<base::TaskRunner> OverrideTaskRunnerForMessage(
  42       const IPC::Message& msg) OVERRIDE;
  43   virtual int32_t OnResourceMessageReceived(
  44       const IPC::Message& msg,
  45       ppapi::host::HostMessageContext* context) OVERRIDE;
  46
  47  private:
  48   PepperIsolatedFileSystemMessageFilter(int render_process_id,
  49                                         const base::FilePath& profile_directory,
  50                                         const GURL& document_url,
  51                                         ppapi::host::PpapiHost* ppapi_host_);
  52
  53   virtual ~PepperIsolatedFileSystemMessageFilter();
  54
  55   Profile* GetProfile();
  56
  57   // Returns filesystem id of isolated filesystem if valid, or empty string
  58   // otherwise.  This must run on the UI thread because ProfileManager only
  59   // allows access on that thread.
  60   std::string CreateCrxFileSystem(Profile* profile);
  61
  62   int32_t OnOpenFileSystem(ppapi::host::HostMessageContext* context,
  63                            PP_IsolatedFileSystemType_Private type);
  64   int32_t OpenCrxFileSystem(ppapi::host::HostMessageContext* context);
  65   int32_t OpenPluginPrivateFileSystem(ppapi::host::HostMessageContext* context);
  66
  67   const int render_process_id_;
  68   // Keep a copy from original thread.
  69   const base::FilePath profile_directory_;
  70   const GURL document_url_;
  71
  72   // Not owned by this object.
  73   ppapi::host::PpapiHost* ppapi_host_;
  74
  75   // Set of origins that can use CrxFs private APIs from NaCl.
  76   std::set<std::string> allowed_crxfs_origins_;
  77
  78   DISALLOW_COPY_AND_ASSIGN(PepperIsolatedFileSystemMessageFilter);
  79 };
  80
  81 }  // namespace chrome
  82
  83 #endif  // CHROME_BROWSER_RENDERER_HOST_PEPPER_PEPPER_ISOLATED_FILE_SYSTEM_MESSAGE_FILTER_H_