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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"
namespace base {
class MessageLoopProxy;
}
namespace fileapi {
class SandboxMountPointProvider : public FileSystemMountPointProvider {
public:
// Origin enumerator interface.
// An instance of this interface is assumed to be called on the file thread.
class OriginEnumerator {
public:
virtual ~OriginEnumerator() {}
// Returns the next origin. Returns empty if there are no more origins.
virtual GURL Next() = 0;
// Returns the current origin's information.
virtual bool HasFileSystemType(FileSystemType type) const = 0;
};
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 an origin enumerator of this provider.
// This method is supposed to be called on the file thread.
OriginEnumerator* CreateOriginEnumerator() const;
// Gets a base directory path of the sandboxed filesystem that is
// specified by |origin_url|.
// (The path is similar to the origin's root path but doesn't contain
// the 'unique' and 'type' part.)
// This method is portable and can be called on any threads.
FilePath GetBaseDirectoryForOrigin(const GURL& origin_url) const;
// Gets a base directory path of the sandboxed filesystem that is
// specified by |origin_url| and |type|.
// (The path is similar to the origin's root path but doesn't contain
// the 'unique' part.)
// Returns an empty path if the given type is invalid.
// This method is portable and can be called on any threads.
FilePath GetBaseDirectoryForOriginAndType(
const GURL& origin_url,
fileapi::FileSystemType type) const;
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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