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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_FILEAPI_FILE_ACCESS_PERMISSIONS_H_
#define CHROME_BROWSER_ASH_FILEAPI_FILE_ACCESS_PERMISSIONS_H_
#include <set>
#include "base/containers/flat_map.h"
#include "base/files/file_path.h"
#include "base/synchronization/lock.h"
#include "url/origin.h"
namespace ash {
// In a thread safe manner maintains the set of paths allowed to access for
// each extension.
class FileAccessPermissions {
public:
FileAccessPermissions();
FileAccessPermissions(const FileAccessPermissions&) = delete;
FileAccessPermissions& operator=(const FileAccessPermissions&) = delete;
virtual ~FileAccessPermissions();
// Grants |origin| access to |path|.
void GrantAccessPermission(const url::Origin& origin,
const base::FilePath& path);
// Checks whether |origin| has permission to access to |path|.
bool HasAccessPermission(const url::Origin& origin,
const base::FilePath& path) const;
// Revokes all file permissions for |origin|.
void RevokePermissions(const url::Origin& origin);
private:
typedef std::set<base::FilePath> PathSet;
typedef base::flat_map<url::Origin, PathSet> PathAccessMap;
mutable base::Lock lock_; // Synchronize all access to path_map_.
PathAccessMap path_map_;
};
} // namespace ash
#endif // CHROME_BROWSER_ASH_FILEAPI_FILE_ACCESS_PERMISSIONS_H_
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