webkit/chromeos/fileapi/file_access_permissions.h

   1 // Copyright (c) 2011 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 WEBKIT_CHROMEOS_FILEAPI_FILE_ACCESS_PERMISSIONS_H_
   6 #define WEBKIT_CHROMEOS_FILEAPI_FILE_ACCESS_PERMISSIONS_H_
   7
   8 #include <map>
   9 #include <set>
  10 #include <string>
  11
  12 #include "base/files/file_path.h"
  13 #include "base/synchronization/lock.h"
  14 #include "webkit/storage/webkit_storage_export.h"
  15
  16 namespace chromeos {
  17
  18 class WEBKIT_STORAGE_EXPORT FileAccessPermissions {
  19  public:
  20   FileAccessPermissions();
  21   virtual ~FileAccessPermissions();
  22
  23   // Grants |extension_id| access to |path|.
  24   void GrantAccessPermission(const std::string& extension_id,
  25                              const base::FilePath& path);
  26   // Checks id |extension_id| has permission to access to |path|.
  27   bool HasAccessPermission(const std::string& extension_id,
  28                            const base::FilePath& path) const;
  29   // Revokes all file permissions for |extension_id|.
  30   void RevokePermissions(const std::string& extension_id);
  31
  32  private:
  33   typedef std::set<base::FilePath> PathSet;
  34   typedef std::map<std::string, PathSet> PathAccessMap;
  35
  36   mutable base::Lock lock_;  // Synchronize all access to path_map_.
  37   PathAccessMap path_map_;
  38 };
  39
  40 }  // namespace chromeos
  41
  42 #endif  // WEBKIT_CHROMEOS_FILEAPI_FILE_ACCESS_PERMISSIONS_H_