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
19class Profile;
20
21namespace content {
22class BrowserPpapiHost;
23}
24
25namespace ppapi {
26namespace host {
27struct HostMessageContext;
28}  // namespace host
29}  // namespace ppapi
30
31namespace chrome {
32
33class 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_
84