/* -*- 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);

  }

}

}

}