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// Copyright (c) 2010 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_FILE_SYSTEM_PATH_MANAGER_H_
#define WEBKIT_FILEAPI_FILE_SYSTEM_PATH_MANAGER_H_
#pragma once
#include "base/callback.h"
#include "base/file_path.h"
#include "base/file_util.h"
#include "webkit/fileapi/file_system_types.h"
#include "webkit/quota/special_storage_policy.h"
class GURL;
namespace base {
class MessageLoopProxy;
}
namespace fileapi {
class FileSystemMountPointProvider;
class SandboxMountPointProvider;
// TODO(kinuko): Probably this module must be called FileSystemPathUtil
// or something similar.
// An interface to construct or crack sandboxed filesystem paths.
// Currently each sandboxed filesystem path looks like:
//
// <profile_dir>/FileSystem/<origin_identifier>/<type>/chrome-<unique>/...
//
// <type> is either one of "Temporary" or "Persistent".
class FileSystemPathManager {
public:
FileSystemPathManager(
scoped_refptr<base::MessageLoopProxy> file_message_loop,
const FilePath& profile_path,
scoped_refptr<quota::SpecialStoragePolicy> special_storage_policy,
bool is_incognito,
bool allow_file_access_from_files);
~FileSystemPathManager();
// Callback for GetFileSystemRootPath.
// If the request is accepted and the root filesystem for the origin exists
// the callback is called with success=true and valid root_path and name.
// If the request is accepted, |create| is specified for
// GetFileSystemRootPath, and the root directory does not exist, it creates
// a new one and calls back with success=true if the creation has succeeded.
typedef Callback3<bool /* success */,
const FilePath& /* root_path */,
const std::string& /* name */>::Type GetRootPathCallback;
// 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 GetFileSystemRootPath(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 GetFileSystemRootPathOnFileThread(
const GURL& origin_url,
FileSystemType type,
const FilePath& virtual_path,
bool create);
// Cracks the given |path|, retrieves the information embedded in the path
// and populates |origin_url|, |type| and |virtual_path|. The |virtual_path|
// is a sandboxed path in the file system, i.e. the relative path to the
// filesystem root for the given domain and type.
bool CrackFileSystemPath(const FilePath& path,
GURL* origin_url,
FileSystemType* type,
FilePath* virtual_path) const;
// Returns true if the given |url|'s scheme is allowed to access
// filesystem.
bool IsAllowedScheme(const GURL& url) const;
// Returns the string for the given |type|.
// Returns an empty string if the |type| is invalid.
static std::string GetFileSystemTypeString(fileapi::FileSystemType type);
// Checks if a given |name| contains any restricted names/chars in it.
bool IsRestrictedFileName(FileSystemType type,
const FilePath& filename);
SandboxMountPointProvider* sandbox_provider() const {
return sandbox_provider_.get();
}
bool is_incognito() const {
return is_incognito_;
}
private:
const bool is_incognito_;
const bool allow_file_access_from_files_;
scoped_ptr<SandboxMountPointProvider> sandbox_provider_;
scoped_ptr<FileSystemMountPointProvider> local_provider_;
DISALLOW_COPY_AND_ASSIGN(FileSystemPathManager);
};
} // namespace fileapi
#endif // WEBKIT_FILEAPI_FILE_SYSTEM_PATH_MANAGER_H_
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