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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef WEBKIT_FILEAPI_SANDBOX_MOUNT_POINT_PROVIDER_H_
#define WEBKIT_FILEAPI_SANDBOX_MOUNT_POINT_PROVIDER_H_
#include <string>
#include <vector>
#include "base/file_path.h"
#include "googleurl/src/gurl.h"
#include "webkit/fileapi/file_system_mount_point_provider.h"
class GURL;
namespace base {
class MessageLoopProxy;
}
namespace fileapi {
class SandboxMountPointProvider : public FileSystemMountPointProvider {
public:
SandboxMountPointProvider(
FileSystemPathManager* path_manager,
scoped_refptr<base::MessageLoopProxy> file_message_loop,
const FilePath& profile_path);
virtual ~SandboxMountPointProvider();
// Checks if access to |virtual_path| is allowed from |origin_url|.
virtual bool IsAccessAllowed(const GURL& origin_url,
FileSystemType type,
const FilePath& virtual_path);
// Retrieves the root path for the given |origin_url| and |type|, and
// calls the given |callback| with the root path and name.
// If |create| is true this also creates the directory if it doesn't exist.
virtual void ValidateFileSystemRootAndGetURL(
const GURL& origin_url,
FileSystemType type,
bool create,
FileSystemPathManager::GetRootPathCallback* callback);
// Like GetFileSystemRootPath, but synchronous, and can be called only while
// running on the file thread.
virtual FilePath ValidateFileSystemRootAndGetPathOnFileThread(
const GURL& origin_url,
FileSystemType type,
const FilePath& unused,
bool create);
// The FileSystem directory name.
static const FilePath::CharType kFileSystemDirectory[];
const FilePath& base_path() const {
return base_path_;
}
// Checks if a given |name| contains any restricted names/chars in it.
virtual bool IsRestrictedFileName(const FilePath& filename) const;
virtual std::vector<FilePath> GetRootDirectories() const;
// Returns the origin identifier string, which is used as a part of the
// sandboxed path component, for the given |url|.
static std::string GetOriginIdentifierFromURL(const GURL& url);
// Gets a base directory path of the sandboxed filesystem that is
// specified by |origin_identifier| and |type|.
// |base_path| must be pointing the FileSystem's data directory
// under the profile directory, i.e. <profile_dir>/kFileSystemDirectory.
// Returns an empty path if any of the given parameters are invalid.
// Returned directory path does not contain 'unique' part, therefore
// it is not an actual root path for the filesystem.
static FilePath GetFileSystemBaseDirectoryForOriginAndType(
const FilePath& base_path,
const std::string& origin_identifier,
fileapi::FileSystemType type);
// Enumerates origins under the given |base_path|.
// This must be used on the FILE thread.
class OriginEnumerator {
public:
explicit OriginEnumerator(const FilePath& base_path);
// Returns the next origin identifier. Returns empty if there are no
// more origins.
std::string Next();
bool HasTemporary();
bool HasPersistent();
const FilePath& path() { return current_; }
private:
file_util::FileEnumerator enumerator_;
FilePath current_;
};
private:
bool GetOriginBasePathAndName(
const GURL& origin_url,
FilePath* base_path,
FileSystemType type,
std::string* name);
class GetFileSystemRootPathTask;
// The path_manager_ isn't owned by this instance; this instance is owned by
// the path_manager_, and they have the same lifetime.
FileSystemPathManager* path_manager_;
scoped_refptr<base::MessageLoopProxy> file_message_loop_;
const FilePath base_path_;
DISALLOW_COPY_AND_ASSIGN(SandboxMountPointProvider);
};
} // namespace fileapi
#endif // WEBKIT_FILEAPI_SANDBOX_MOUNT_POINT_PROVIDER_H_
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