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| 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_FILEAPI_SANDBOX_MOUNT_POINT_PROVIDER_H_ |
| 6 #define WEBKIT_FILEAPI_SANDBOX_MOUNT_POINT_PROVIDER_H_ |
| 7 |
| 8 #include "base/file_path.h" |
| 9 #include "googleurl/src/gurl.h" |
| 10 #include "webkit/fileapi/file_system_mount_point_provider.h" |
| 11 |
| 12 class GURL; |
| 13 |
| 14 namespace base { |
| 15 class MessageLoopProxy; |
| 16 } |
| 17 |
| 18 namespace fileapi { |
| 19 |
| 20 class SandboxMountPointProvider : public FileSystemMountPointProvider { |
| 21 public: |
| 22 |
| 23 SandboxMountPointProvider( |
| 24 FileSystemPathManager* path_manager, |
| 25 scoped_refptr<base::MessageLoopProxy> file_message_loop, |
| 26 const FilePath& profile_path); |
| 27 |
| 28 // Checks if mount point access is allowed from |origin_url|. |
| 29 virtual bool IsAccessAllowed(const GURL& origin_url); |
| 30 |
| 31 // Retrieves the root path for the given |origin_url| and |type|, and |
| 32 // calls the given |callback| with the root path and name. |
| 33 // If |create| is true this also creates the directory if it doesn't exist. |
| 34 void GetFileSystemRootPath( |
| 35 const GURL& origin_url, |
| 36 FileSystemType type, |
| 37 bool create, |
| 38 FileSystemPathManager::GetRootPathCallback* callback); |
| 39 |
| 40 // Like GetFileSystemRootPath, but synchronous, and can be called only while |
| 41 // running on the file thread. |
| 42 FilePath GetFileSystemRootPathOnFileThread( |
| 43 const GURL& origin_url, |
| 44 FileSystemType type, |
| 45 bool create); |
| 46 |
| 47 // The FileSystem directory name. |
| 48 static const FilePath::CharType kFileSystemDirectory[]; |
| 49 |
| 50 static const char kPersistentName[]; |
| 51 static const char kTemporaryName[]; |
| 52 |
| 53 const FilePath& base_path() const { |
| 54 return base_path_; |
| 55 } |
| 56 |
| 57 // Checks if a given |name| contains any restricted names/chars in it. |
| 58 virtual bool IsRestrictedFileName(const FilePath& filename) const; |
| 59 |
| 60 // Returns the origin identifier string, which is used as a part of the |
| 61 // sandboxed path component, for the given |url|. |
| 62 static std::string GetOriginIdentifierFromURL(const GURL& url); |
| 63 |
| 64 // Gets a base directory path of the sandboxed filesystem that is |
| 65 // specified by |origin_identifier| and |type|. |
| 66 // |base_path| must be pointing the FileSystem's data directory |
| 67 // under the profile directory, i.e. <profile_dir>/kFileSystemDirectory. |
| 68 // Returns an empty path if any of the given parameters are invalid. |
| 69 // Returned directory path does not contain 'unique' part, therefore |
| 70 // it is not an actual root path for the filesystem. |
| 71 static FilePath GetFileSystemBaseDirectoryForOriginAndType( |
| 72 const FilePath& base_path, |
| 73 const std::string& origin_identifier, |
| 74 fileapi::FileSystemType type); |
| 75 |
| 76 // Enumerates origins under the given |base_path|. |
| 77 // This must be used on the FILE thread. |
| 78 class OriginEnumerator { |
| 79 public: |
| 80 OriginEnumerator(const FilePath& base_path); |
| 81 |
| 82 // Returns the next origin identifier. Returns empty if there are no |
| 83 // more origins. |
| 84 std::string Next(); |
| 85 |
| 86 bool HasTemporary(); |
| 87 bool HasPersistent(); |
| 88 const FilePath& path() { return current_; } |
| 89 |
| 90 private: |
| 91 file_util::FileEnumerator enumerator_; |
| 92 FilePath current_; |
| 93 }; |
| 94 |
| 95 private: |
| 96 bool GetOriginBasePathAndName( |
| 97 const GURL& origin_url, |
| 98 FilePath* base_path, |
| 99 FileSystemType type, |
| 100 std::string* name); |
| 101 |
| 102 class GetFileSystemRootPathTask; |
| 103 |
| 104 // The path_manager_ isn't owned by this instance; this instance is owned by |
| 105 // the path_manager_, and they have the same lifetime. |
| 106 FileSystemPathManager* path_manager_; |
| 107 |
| 108 scoped_refptr<base::MessageLoopProxy> file_message_loop_; |
| 109 |
| 110 const FilePath base_path_; |
| 111 |
| 112 DISALLOW_COPY_AND_ASSIGN(SandboxMountPointProvider); |
| 113 }; |
| 114 |
| 115 } // namespace fileapi |
| 116 |
| 117 #endif // WEBKIT_FILEAPI_SANDBOX_MOUNT_POINT_PROVIDER_H_ |
| 118 |
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