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/* -*- 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/WebAuthnController.h"
#include "mozilla/dom/U2FTokenManager.h"
#include "mozilla/ipc/PBackgroundParent.h"
#include "mozilla/ipc/BackgroundParent.h"
#include "mozilla/StaticPrefs_security.h"
#include "nsThreadUtils.h"
#ifdef OS_WIN
# include "WinWebAuthnManager.h"
#endif
namespace mozilla::dom {
mozilla::ipc::IPCResult WebAuthnTransactionParent::RecvRequestRegister(
const uint64_t& aTransactionId,
const WebAuthnMakeCredentialInfo& aTransactionInfo) {
::mozilla::ipc::AssertIsOnBackgroundThread();
#ifdef OS_WIN
if (WinWebAuthnManager::AreWebAuthNApisAvailable()) {
WinWebAuthnManager* mgr = WinWebAuthnManager::Get();
mgr->Register(this, aTransactionId, aTransactionInfo);
return IPC_OK();
}
#endif
bool androidFido2 =
StaticPrefs::security_webauth_webauthn_enable_android_fido2();
if (!androidFido2) {
WebAuthnController* ctrl = WebAuthnController::Get();
ctrl->Register(this, aTransactionId, aTransactionInfo);
} else {
U2FTokenManager* mgr = U2FTokenManager::Get();
mgr->Register(this, aTransactionId, aTransactionInfo);
}
return IPC_OK();
}
mozilla::ipc::IPCResult WebAuthnTransactionParent::RecvRequestSign(
const uint64_t& aTransactionId,
const WebAuthnGetAssertionInfo& aTransactionInfo) {
::mozilla::ipc::AssertIsOnBackgroundThread();
#ifdef OS_WIN
if (WinWebAuthnManager::AreWebAuthNApisAvailable()) {
WinWebAuthnManager* mgr = WinWebAuthnManager::Get();
mgr->Sign(this, aTransactionId, aTransactionInfo);
return IPC_OK();
}
#endif
bool androidFido2 =
StaticPrefs::security_webauth_webauthn_enable_android_fido2();
if (!androidFido2) {
WebAuthnController* ctrl = WebAuthnController::Get();
ctrl->Sign(this, aTransactionId, aTransactionInfo);
} else {
U2FTokenManager* mgr = U2FTokenManager::Get();
mgr->Sign(this, aTransactionId, aTransactionInfo);
}
return IPC_OK();
}
mozilla::ipc::IPCResult WebAuthnTransactionParent::RecvRequestCancel(
const Tainted<uint64_t>& aTransactionId) {
::mozilla::ipc::AssertIsOnBackgroundThread();
#ifdef OS_WIN
if (WinWebAuthnManager::AreWebAuthNApisAvailable()) {
WinWebAuthnManager* mgr = WinWebAuthnManager::Get();
mgr->Cancel(this, aTransactionId);
return IPC_OK();
}
#endif
// We don't know whether WebAuthnController or U2FTokenManager was used, so
// try cancelling both.
WebAuthnController* ctrl = WebAuthnController::Get();
if (ctrl) {
ctrl->Cancel(this, aTransactionId);
}
U2FTokenManager* mgr = U2FTokenManager::Get();
if (mgr) {
mgr->Cancel(this, aTransactionId);
}
return IPC_OK();
}
mozilla::ipc::IPCResult WebAuthnTransactionParent::RecvDestroyMe() {
::mozilla::ipc::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) {
::mozilla::ipc::AssertIsOnBackgroundThread();
// Called either by Send__delete__() in RecvDestroyMe() above, or when
// the channel disconnects. Ensure the token manager forgets about us.
#ifdef OS_WIN
if (WinWebAuthnManager::AreWebAuthNApisAvailable()) {
WinWebAuthnManager* mgr = WinWebAuthnManager::Get();
if (mgr) {
mgr->MaybeClearTransaction(this);
}
return;
}
#endif
WebAuthnController* ctrl = WebAuthnController::Get();
if (ctrl) {
ctrl->MaybeClearTransaction(this);
}
U2FTokenManager* mgr = U2FTokenManager::Get();
if (mgr) {
mgr->MaybeClearTransaction(this);
}
}
} // namespace mozilla::dom
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