73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_WebAuthnTransactionParent_h
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#define mozilla_dom_WebAuthnTransactionParent_h
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#include "mozilla/dom/PWebAuthnTransactionParent.h"
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#include "mozilla/dom/WebAuthnPromiseHolder.h"
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#include "mozilla/RandomNum.h"
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#include "nsIWebAuthnService.h"
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/*
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* Parent process IPC implementation for WebAuthn.
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*/
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namespace mozilla::dom {
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class WebAuthnRegisterPromiseHolder;
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class WebAuthnSignPromiseHolder;
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class WebAuthnTransactionParent final : public PWebAuthnTransactionParent {
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NS_INLINE_DECL_REFCOUNTING(WebAuthnTransactionParent, override);
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public:
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WebAuthnTransactionParent() = default;
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mozilla::ipc::IPCResult RecvRequestRegister(
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const WebAuthnMakeCredentialInfo& aTransactionInfo,
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RequestRegisterResolver&& aResolver);
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mozilla::ipc::IPCResult RecvRequestSign(
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const WebAuthnGetAssertionInfo& aTransactionInfo,
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RequestSignResolver&& aResolver);
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mozilla::ipc::IPCResult RecvRequestCancel();
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mozilla::ipc::IPCResult RecvRequestIsUVPAA(
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RequestIsUVPAAResolver&& aResolver);
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mozilla::ipc::IPCResult RecvDestroyMe();
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virtual void ActorDestroy(ActorDestroyReason aWhy) override;
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private:
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~WebAuthnTransactionParent() = default;
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void CompleteTransaction();
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void DisconnectTransaction();
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nsCOMPtr<nsIWebAuthnService> mWebAuthnService;
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Maybe<uint64_t> mTransactionId;
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MozPromiseRequestHolder<WebAuthnRegisterPromise> mRegisterPromiseRequest;
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MozPromiseRequestHolder<WebAuthnSignPromise> mSignPromiseRequest;
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// Generates a probabilistically unique ID for the new transaction. IDs are 53
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// bits, as they are used in javascript. We use a random value if possible,
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// otherwise a counter.
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static uint64_t NextId() {
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static uint64_t counter = 0;
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Maybe<uint64_t> rand = mozilla::RandomUint64();
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uint64_t id =
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rand.valueOr(++counter) & UINT64_C(0x1fffffffffffff); // 2^53 - 1
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// The transaction ID 0 is reserved.
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return id ? id : 1;
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}
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};
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} // namespace mozilla::dom
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#endif // mozilla_dom_WebAuthnTransactionParent_h
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