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265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
90 lines
3.2 KiB
C++
90 lines
3.2 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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#include "mozilla/dom/WebAuthnTransactionChild.h"
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namespace mozilla {
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namespace dom {
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WebAuthnTransactionChild::WebAuthnTransactionChild(
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WebAuthnManagerBase* aManager)
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: mManager(aManager) {
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MOZ_ASSERT(aManager);
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// Retain a reference so the task object isn't deleted without IPDL's
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// knowledge. The reference will be released by
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// mozilla::ipc::BackgroundChildImpl::DeallocPWebAuthnTransactionChild.
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NS_ADDREF_THIS();
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}
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mozilla::ipc::IPCResult WebAuthnTransactionChild::RecvConfirmRegister(
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const uint64_t& aTransactionId,
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const WebAuthnMakeCredentialResult& aResult) {
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if (NS_WARN_IF(!mManager)) {
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return IPC_FAIL_NO_REASON(this);
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}
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// We don't own the reference to mManager. We need to prevent its refcount
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// going to 0 while we call anything that can reach the call to
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// StopListeningForVisibilityEvents in WebAuthnManager::ClearTransaction
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// (often via WebAuthnManager::RejectTransaction).
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RefPtr<WebAuthnManagerBase> kungFuDeathGrip(mManager);
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kungFuDeathGrip->FinishMakeCredential(aTransactionId, aResult);
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return IPC_OK();
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}
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mozilla::ipc::IPCResult WebAuthnTransactionChild::RecvConfirmSign(
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const uint64_t& aTransactionId, const WebAuthnGetAssertionResult& aResult) {
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if (NS_WARN_IF(!mManager)) {
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return IPC_FAIL_NO_REASON(this);
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}
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// We don't own the reference to mManager. We need to prevent its refcount
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// going to 0 while we call anything that can reach the call to
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// StopListeningForVisibilityEvents in WebAuthnManager::ClearTransaction
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// (often via WebAuthnManager::RejectTransaction).
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RefPtr<WebAuthnManagerBase> kungFuDeathGrip(mManager);
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kungFuDeathGrip->FinishGetAssertion(aTransactionId, aResult);
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return IPC_OK();
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}
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mozilla::ipc::IPCResult WebAuthnTransactionChild::RecvAbort(
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const uint64_t& aTransactionId, const nsresult& aError) {
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if (NS_WARN_IF(!mManager)) {
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return IPC_FAIL_NO_REASON(this);
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}
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// We don't own the reference to mManager. We need to prevent its refcount
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// going to 0 while we call anything that can reach the call to
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// StopListeningForVisibilityEvents in WebAuthnManager::ClearTransaction
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// (often via WebAuthnManager::RejectTransaction).
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RefPtr<WebAuthnManagerBase> kungFuDeathGrip(mManager);
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kungFuDeathGrip->RequestAborted(aTransactionId, aError);
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return IPC_OK();
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}
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void WebAuthnTransactionChild::ActorDestroy(ActorDestroyReason why) {
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// Called by either a __delete__ message from the parent, or when the
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// channel disconnects. Clear out the child actor reference to be sure.
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if (mManager) {
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mManager->ActorDestroyed();
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mManager = nullptr;
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}
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}
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void WebAuthnTransactionChild::Disconnect() {
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mManager = nullptr;
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// The WebAuthnManager released us, but we're going to be held alive by the
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// IPC layer. The parent will explicitly destroy us via Send__delete__(),
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// after receiving the DestroyMe message.
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SendDestroyMe();
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}
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} // namespace dom
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} // namespace mozilla
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