gecko-dev/dom/webauthn/WebAuthnTransactionParent.cpp

81 строка
2.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#include "mozilla/dom/WebAuthnTransactionParent.h"
#include "mozilla/dom/U2FTokenManager.h"
#include "mozilla/ipc/PBackgroundParent.h"
#include "mozilla/ipc/BackgroundParent.h"
namespace mozilla {
namespace dom {
mozilla::ipc::IPCResult
WebAuthnTransactionParent::RecvRequestRegister(const uint64_t& aTransactionId,
const WebAuthnMakeCredentialInfo& aTransactionInfo)
{
AssertIsOnBackgroundThread();
U2FTokenManager* mgr = U2FTokenManager::Get();
mgr->Register(this, aTransactionId, aTransactionInfo);
return IPC_OK();
}
mozilla::ipc::IPCResult
WebAuthnTransactionParent::RecvRequestSign(const uint64_t& aTransactionId,
const WebAuthnGetAssertionInfo& aTransactionInfo)
{
AssertIsOnBackgroundThread();
U2FTokenManager* mgr = U2FTokenManager::Get();
mgr->Sign(this, aTransactionId, aTransactionInfo);
return IPC_OK();
}
mozilla::ipc::IPCResult
WebAuthnTransactionParent::RecvRequestCancel(const uint64_t& aTransactionId)
{
AssertIsOnBackgroundThread();
U2FTokenManager* mgr = U2FTokenManager::Get();
mgr->Cancel(this, aTransactionId);
return IPC_OK();
}
mozilla::ipc::IPCResult
WebAuthnTransactionParent::RecvDestroyMe()
{
AssertIsOnBackgroundThread();
// The child was disconnected from the WebAuthnManager instance and will send
// no further messages. It is kept alive until we delete it explicitly.
// The child should have cancelled any active transaction. This means
// we expect no more messages to the child. We'll crash otherwise.
// The IPC roundtrip is complete. No more messages, hopefully.
IProtocol* mgr = Manager();
if (!Send__delete__(this)) {
return IPC_FAIL_NO_REASON(mgr);
}
return IPC_OK();
}
void
WebAuthnTransactionParent::ActorDestroy(ActorDestroyReason aWhy)
{
AssertIsOnBackgroundThread();
// Called either by Send__delete__() in RecvDestroyMe() above, or when
// the channel disconnects. Ensure the token manager forgets about us.
U2FTokenManager* mgr = U2FTokenManager::Get();
// The manager could probably be null on shutdown?
if (mgr) {
mgr->MaybeClearTransaction(this);
}
}
}
}