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// Copyright 2016 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 COMPONENTS_OS_CRYPT_KEY_STORAGE_KEYRING_H_
#define COMPONENTS_OS_CRYPT_KEY_STORAGE_KEYRING_H_
#include <string>
#include "base/macros.h"
#include "components/os_crypt/key_storage_linux.h"
namespace base {
class SingleThreadTaskRunner;
class WaitableEvent;
} // namespace base
// Specialisation of KeyStorageLinux that uses Libsecret.
class KeyStorageKeyring : public KeyStorageLinux {
public:
explicit KeyStorageKeyring(
scoped_refptr<base::SingleThreadTaskRunner> main_thread_runner);
~KeyStorageKeyring() override;
// KeyStorageLinux
std::string GetKey() override;
protected:
// KeyStorageLinux
bool Init() override;
private:
// Gnome keyring requires calls to originate from the main thread.
// This is the part of GetKey() that gets dispatched to the main thread.
// The password is stored in |password_ptr|. If |password_loaded_ptr| is not
// null, it will be signaled when |password_ptr| is safe to read.
void GetKeyDelegate(std::string* password_ptr,
base::WaitableEvent* password_loaded_ptr);
// Generate a random string and store it as OScrypt's new password.
std::string AddRandomPasswordInKeyring();
// Keyring calls need to originate from the main thread.
scoped_refptr<base::SingleThreadTaskRunner> main_thread_runner_;
DISALLOW_COPY_AND_ASSIGN(KeyStorageKeyring);
};
#endif // COMPONENTS_OS_CRYPT_KEY_STORAGE_KEYRING_H_
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