gecko-dev/dom/webauthn/U2FTokenManager.h

74 строки
2.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_U2FTokenManager_h
#define mozilla_dom_U2FTokenManager_h
#include "mozilla/dom/U2FTokenTransport.h"
/*
* Parent process manager for U2F and WebAuthn API transactions. Handles process
* transactions from all content processes, make sure only one transaction is
* live at any time. Manages access to hardware and software based key systems.
*
* U2FTokenManager is created on the first access to functions of either the U2F
* or WebAuthn APIs that require key registration or signing. It lives until the
* end of the browser process.
*/
namespace mozilla {
namespace dom {
class U2FSoftTokenManager;
class WebAuthnTransactionParent;
class U2FTokenManager final
{
public:
enum TransactionType
{
RegisterTransaction = 0,
SignTransaction,
NumTransactionTypes
};
NS_INLINE_DECL_REFCOUNTING(U2FTokenManager)
static U2FTokenManager* Get();
void Register(WebAuthnTransactionParent* aTransactionParent,
const WebAuthnTransactionInfo& aTransactionInfo);
void Sign(WebAuthnTransactionParent* aTransactionParent,
const WebAuthnTransactionInfo& aTransactionInfo);
void Cancel(WebAuthnTransactionParent* aTransactionParent);
void MaybeClearTransaction(WebAuthnTransactionParent* aParent);
static void Initialize();
private:
U2FTokenManager();
~U2FTokenManager();
RefPtr<U2FTokenTransport> GetTokenManagerImpl();
void AbortTransaction(const nsresult& aError);
void ClearTransaction();
void MaybeAbortTransaction(uint64_t aTransactionId,
const nsresult& aError);
void MaybeConfirmRegister(uint64_t aTransactionId,
U2FRegisterResult& aResult);
void MaybeConfirmSign(uint64_t aTransactionId, U2FSignResult& aResult);
// Using a raw pointer here, as the lifetime of the IPC object is managed by
// the PBackground protocol code. This means we cannot be left holding an
// invalid IPC protocol object after the transaction is finished.
WebAuthnTransactionParent* mTransactionParent;
RefPtr<U2FTokenTransport> mTokenManagerImpl;
RefPtr<U2FRegisterPromise> mRegisterPromise;
RefPtr<U2FSignPromise> mSignPromise;
// Guards the asynchronous promise resolution of token manager impls.
// We don't need to protect this with a lock as it will only be modified
// and checked on the PBackground thread in the parent process.
uint64_t mTransactionId;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_U2FTokenManager_h