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gecko-dev/dom/webauthn/WebAuthnController.cpp

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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 "json/json.h"
#include "mozilla/dom/WebAuthnController.h"
#include "mozilla/dom/PWebAuthnTransactionParent.h"
#include "mozilla/dom/WebAuthnUtil.h"
#include "mozilla/ipc/BackgroundParent.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/Preferences.h"
#include "mozilla/Services.h"
#include "mozilla/StaticPrefs_security.h"
#include "mozilla/Unused.h"
#include "nsEscape.h"
#include "nsIObserver.h"
#include "nsIObserverService.h"
#include "nsIThread.h"
#include "nsServiceManagerUtils.h"
#include "nsTextFormatter.h"
#include "mozilla/Telemetry.h"
#include "AuthrsTransport.h"
#include "CtapArgs.h"
#include "WebAuthnEnumStrings.h"
#ifdef MOZ_WIDGET_ANDROID
# include "mozilla/dom/AndroidWebAuthnTokenManager.h"
#endif
namespace mozilla::dom {
/***********************************************************************
* Statics
**********************************************************************/
namespace {
static mozilla::LazyLogModule gWebAuthnControllerLog("webauthncontroller");
StaticRefPtr<WebAuthnController> gWebAuthnController;
static nsIThread* gWebAuthnBackgroundThread;
} // namespace
// Data for WebAuthn UI prompt notifications.
static const char16_t kPresencePromptNotification[] =
u"{\"action\":\"presence\",\"tid\":%llu,"
u"\"origin\":\"%s\",\"browsingContextId\":%llu}";
static const char16_t kRegisterDirectPromptNotification[] =
u"{\"action\":\"register-direct\",\"tid\":%llu,"
u"\"origin\":\"%s\",\"browsingContextId\":%llu}";
static const char16_t kCancelPromptNotification[] =
u"{\"action\":\"cancel\",\"tid\":%llu}";
/***********************************************************************
* U2FManager Implementation
**********************************************************************/
NS_IMPL_ISUPPORTS(WebAuthnController, nsIWebAuthnController);
WebAuthnController::WebAuthnController() : mTransactionParent(nullptr) {
MOZ_ASSERT(XRE_IsParentProcess());
// Create on the main thread to make sure ClearOnShutdown() works.
MOZ_ASSERT(NS_IsMainThread());
}
// static
void WebAuthnController::Initialize() {
if (!XRE_IsParentProcess()) {
return;
}
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!gWebAuthnController);
gWebAuthnController = new WebAuthnController();
ClearOnShutdown(&gWebAuthnController);
}
// static
WebAuthnController* WebAuthnController::Get() {
MOZ_ASSERT(XRE_IsParentProcess());
mozilla::ipc::AssertIsOnBackgroundThread();
return gWebAuthnController;
}
void WebAuthnController::AbortTransaction(const uint64_t& aTransactionId,
const nsresult& aError,
bool shouldCancelActiveDialog) {
if (mTransactionParent && mTransaction.isSome() && aTransactionId > 0 &&
aTransactionId == mTransaction.ref().mTransactionId) {
Unused << mTransactionParent->SendAbort(aTransactionId, aError);
ClearTransaction(shouldCancelActiveDialog);
}
}
void WebAuthnController::AbortOngoingTransaction() {
if (mTransaction.isSome()) {
AbortTransaction(mTransaction.ref().mTransactionId, NS_ERROR_DOM_ABORT_ERR,
true);
}
}
void WebAuthnController::MaybeClearTransaction(
PWebAuthnTransactionParent* aParent) {
// Only clear if we've been requested to do so by our current transaction
// parent.
if (mTransactionParent == aParent) {
ClearTransaction(true);
}
}
void WebAuthnController::ClearTransaction(bool cancel_prompt) {
if (cancel_prompt && mTransaction.isSome() &&
mTransaction.ref().mTransactionId > 0) {
// Remove any prompts we might be showing for the current transaction.
SendPromptNotification(kCancelPromptNotification,
mTransaction.ref().mTransactionId);
}
mTransactionParent = nullptr;
// Forget any pending registration.
mPendingRegisterInfo.reset();
mPendingSignInfo.reset();
mTransaction.reset();
}
template <typename... T>
void WebAuthnController::SendPromptNotification(const char16_t* aFormat,
T... aArgs) {
MOZ_ASSERT(!NS_IsMainThread());
nsAutoString json;
nsTextFormatter::ssprintf(json, aFormat, aArgs...);
nsCOMPtr<nsIRunnable> r(NewRunnableMethod<nsString>(
"WebAuthnController::RunSendPromptNotification", this,
&WebAuthnController::RunSendPromptNotification, json));
MOZ_ALWAYS_SUCCEEDS(GetMainThreadSerialEventTarget()->Dispatch(
r.forget(), NS_DISPATCH_NORMAL));
}
NS_IMETHODIMP
WebAuthnController::SendPromptNotificationPreformatted(
uint64_t aTransactionId, const nsACString& aJson) {
MOZ_ASSERT(XRE_IsParentProcess());
MOZ_ASSERT(!NS_IsMainThread());
nsCOMPtr<nsIRunnable> r(NewRunnableMethod<nsString>(
"WebAuthnController::RunSendPromptNotification", this,
&WebAuthnController::RunSendPromptNotification,
NS_ConvertUTF8toUTF16(aJson)));
MOZ_ALWAYS_SUCCEEDS(GetMainThreadSerialEventTarget()->Dispatch(
r.forget(), NS_DISPATCH_NORMAL));
return NS_OK;
}
void WebAuthnController::RunSendPromptNotification(const nsString& aJSON) {
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
if (NS_WARN_IF(!os)) {
return;
}
nsCOMPtr<nsIWebAuthnController> self = this;
MOZ_ALWAYS_SUCCEEDS(
os->NotifyObservers(self, "webauthn-prompt", aJSON.get()));
}
nsCOMPtr<nsIWebAuthnTransport> WebAuthnController::GetTransportImpl() {
mozilla::ipc::AssertIsOnBackgroundThread();
if (mTransportImpl) {
return mTransportImpl;
}
nsCOMPtr<nsIWebAuthnTransport> transport(
do_GetService("@mozilla.org/webauthn/transport;1"));
transport->SetController(this);
return transport;
}
void WebAuthnController::Cancel(PWebAuthnTransactionParent* aTransactionParent,
const Tainted<uint64_t>& aTransactionId) {
// The last transaction ID also suffers from the issue described in Bug
// 1696159. A content process could cancel another content processes
// transaction by guessing the last transaction ID.
if (mTransactionParent != aTransactionParent || mTransaction.isNothing() ||
!MOZ_IS_VALID(aTransactionId,
mTransaction.ref().mTransactionId == aTransactionId)) {
return;
}
if (mTransportImpl) {
mTransportImpl->Cancel();
}
ClearTransaction(true);
}
void WebAuthnController::Register(
PWebAuthnTransactionParent* aTransactionParent,
const uint64_t& aTransactionId, const WebAuthnMakeCredentialInfo& aInfo) {
mozilla::ipc::AssertIsOnBackgroundThread();
MOZ_LOG(gWebAuthnControllerLog, LogLevel::Debug,
("WebAuthnController::Register"));
MOZ_ASSERT(aTransactionId > 0);
if (!gWebAuthnBackgroundThread) {
gWebAuthnBackgroundThread = NS_GetCurrentThread();
MOZ_ASSERT(gWebAuthnBackgroundThread, "This should never be null!");
}
AbortOngoingTransaction();
mTransactionParent = aTransactionParent;
// Hold on to any state that we need to finish the transaction.
mTransaction = Some(Transaction(aTransactionId, aInfo.ClientDataJSON()));
MOZ_ASSERT(mPendingRegisterInfo.isNothing());
mPendingRegisterInfo = Some(aInfo);
// Determine whether direct attestation was requested.
bool noneAttestationRequested = true;
// On Android, let's always reject direct attestations until we have a
// mechanism to solicit user consent, from Bug 1550164
#ifndef MOZ_WIDGET_ANDROID
// The default attestation type is "none", so set
// noneAttestationRequested=false only if the RP's preference matches one of
// the other known types. This needs to be reviewed if values are added to
// the AttestationConveyancePreference enum.
const nsString& attestation = aInfo.attestationConveyancePreference();
static_assert(MOZ_WEBAUTHN_ENUM_STRINGS_VERSION == 2);
if (attestation.EqualsLiteral(
MOZ_WEBAUTHN_ATTESTATION_CONVEYANCE_PREFERENCE_DIRECT) ||
attestation.EqualsLiteral(
MOZ_WEBAUTHN_ATTESTATION_CONVEYANCE_PREFERENCE_INDIRECT) ||
attestation.EqualsLiteral(
MOZ_WEBAUTHN_ATTESTATION_CONVEYANCE_PREFERENCE_ENTERPRISE)) {
noneAttestationRequested = false;
}
#endif // not MOZ_WIDGET_ANDROID
// Start a register request immediately if direct attestation
// wasn't requested or the test pref is set.
if (noneAttestationRequested ||
StaticPrefs::
security_webauth_webauthn_testing_allow_direct_attestation()) {
DoRegister(aInfo, noneAttestationRequested);
return;
}
// If the RP request direct attestation, ask the user for permission and
// store the transaction info until the user proceeds or cancels.
NS_ConvertUTF16toUTF8 origin(aInfo.Origin());
SendPromptNotification(kRegisterDirectPromptNotification, aTransactionId,
origin.get(), aInfo.BrowsingContextId());
}
void WebAuthnController::DoRegister(const WebAuthnMakeCredentialInfo& aInfo,
bool aForceNoneAttestation) {
mozilla::ipc::AssertIsOnBackgroundThread();
MOZ_ASSERT(mTransaction.isSome());
if (NS_WARN_IF(mTransaction.isNothing())) {
// Clear prompt?
return;
}
// Show a prompt that lets the user cancel the ongoing transaction.
NS_ConvertUTF16toUTF8 origin(aInfo.Origin());
SendPromptNotification(kPresencePromptNotification,
mTransaction.ref().mTransactionId, origin.get(),
aInfo.BrowsingContextId(), "false");
RefPtr<CtapRegisterArgs> args(
new CtapRegisterArgs(aInfo, aForceNoneAttestation));
mTransportImpl = GetTransportImpl();
if (!mTransportImpl) {
AbortTransaction(mTransaction.ref().mTransactionId,
NS_ERROR_DOM_NOT_ALLOWED_ERR, true);
return;
}
nsresult rv = mTransportImpl->MakeCredential(
mTransaction.ref().mTransactionId, aInfo.BrowsingContextId(), args);
if (NS_FAILED(rv)) {
AbortTransaction(mTransaction.ref().mTransactionId,
NS_ERROR_DOM_NOT_ALLOWED_ERR, true);
return;
}
}
NS_IMETHODIMP
WebAuthnController::ResumeRegister(uint64_t aTransactionId,
bool aForceNoneAttestation) {
MOZ_ASSERT(XRE_IsParentProcess());
MOZ_ASSERT(NS_IsMainThread());
if (!gWebAuthnBackgroundThread) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIRunnable> r(NewRunnableMethod<uint64_t, bool>(
"WebAuthnController::RunResumeRegister", this,
&WebAuthnController::RunResumeRegister, aTransactionId,
aForceNoneAttestation));
if (AppShutdown::IsInOrBeyond(ShutdownPhase::XPCOMShutdownThreads)) {
return NS_ERROR_ILLEGAL_DURING_SHUTDOWN;
}
return gWebAuthnBackgroundThread->Dispatch(r.forget(), NS_DISPATCH_NORMAL);
}
void WebAuthnController::RunResumeRegister(uint64_t aTransactionId,
bool aForceNoneAttestation) {
mozilla::ipc::AssertIsOnBackgroundThread();
if (NS_WARN_IF(mPendingRegisterInfo.isNothing())) {
return;
}
if (mTransaction.isNothing() ||
mTransaction.ref().mTransactionId != aTransactionId) {
return;
}
// Resume registration and cleanup.
DoRegister(mPendingRegisterInfo.ref(), aForceNoneAttestation);
}
NS_IMETHODIMP
WebAuthnController::FinishRegister(uint64_t aTransactionId,
nsICtapRegisterResult* aResult) {
MOZ_ASSERT(XRE_IsParentProcess());
nsCOMPtr<nsIRunnable> r(
NewRunnableMethod<uint64_t, RefPtr<nsICtapRegisterResult>>(
"WebAuthnController::RunFinishRegister", this,
&WebAuthnController::RunFinishRegister, aTransactionId, aResult));
if (!gWebAuthnBackgroundThread) {
return NS_ERROR_FAILURE;
}
if (AppShutdown::IsInOrBeyond(ShutdownPhase::XPCOMShutdownThreads)) {
return NS_ERROR_ILLEGAL_DURING_SHUTDOWN;
}
return gWebAuthnBackgroundThread->Dispatch(r.forget(), NS_DISPATCH_NORMAL);
}
void WebAuthnController::RunFinishRegister(
uint64_t aTransactionId, const RefPtr<nsICtapRegisterResult>& aResult) {
mozilla::ipc::AssertIsOnBackgroundThread();
if (mTransaction.isNothing() ||
aTransactionId != mTransaction.ref().mTransactionId) {
// The previous transaction was likely cancelled from the prompt.
return;
}
nsresult status;
nsresult rv = aResult->GetStatus(&status);
if (NS_WARN_IF(NS_FAILED(rv))) {
AbortTransaction(aTransactionId, NS_ERROR_DOM_NOT_ALLOWED_ERR, true);
return;
}
if (NS_FAILED(status)) {
bool shouldCancelActiveDialog = true;
if (status == NS_ERROR_DOM_INVALID_STATE_ERR) {
// PIN-related errors. Let the dialog show to inform the user
shouldCancelActiveDialog = false;
} else {
status = NS_ERROR_DOM_NOT_ALLOWED_ERR;
}
Telemetry::ScalarAdd(Telemetry::ScalarID::SECURITY_WEBAUTHN_USED,
u"CTAPRegisterAbort"_ns, 1);
AbortTransaction(aTransactionId, status, shouldCancelActiveDialog);
return;
}
nsCString clientDataJson = mPendingRegisterInfo.ref().ClientDataJSON();
nsTArray<uint8_t> attObj;
rv = aResult->GetAttestationObject(attObj);
if (NS_WARN_IF(NS_FAILED(rv))) {
AbortTransaction(aTransactionId, NS_ERROR_DOM_NOT_ALLOWED_ERR, true);
return;
}
nsTArray<uint8_t> credentialId;
rv = aResult->GetCredentialId(credentialId);
if (NS_WARN_IF(NS_FAILED(rv))) {
AbortTransaction(aTransactionId, NS_ERROR_DOM_NOT_ALLOWED_ERR, true);
return;
}
nsTArray<nsString> transports;
rv = aResult->GetTransports(transports);
if (NS_WARN_IF(NS_FAILED(rv))) {
AbortTransaction(aTransactionId, NS_ERROR_DOM_NOT_ALLOWED_ERR, true);
return;
}
nsTArray<WebAuthnExtensionResult> extensions;
bool credPropsRk;
rv = aResult->GetCredPropsRk(&credPropsRk);
if (rv != NS_ERROR_NOT_AVAILABLE) {
if (NS_WARN_IF(NS_FAILED(rv))) {
AbortTransaction(aTransactionId, NS_ERROR_DOM_NOT_ALLOWED_ERR, true);
return;
}
extensions.AppendElement(WebAuthnExtensionResultCredProps(credPropsRk));
}
WebAuthnMakeCredentialResult result(clientDataJson, attObj, credentialId,
transports, extensions);
Telemetry::ScalarAdd(Telemetry::ScalarID::SECURITY_WEBAUTHN_USED,
u"CTAPRegisterFinish"_ns, 1);
Unused << mTransactionParent->SendConfirmRegister(aTransactionId, result);
ClearTransaction(true);
}
void WebAuthnController::Sign(PWebAuthnTransactionParent* aTransactionParent,
const uint64_t& aTransactionId,
const WebAuthnGetAssertionInfo& aInfo) {
mozilla::ipc::AssertIsOnBackgroundThread();
MOZ_LOG(gWebAuthnControllerLog, LogLevel::Debug, ("WebAuthnSign"));
MOZ_ASSERT(aTransactionId > 0);
if (!gWebAuthnBackgroundThread) {
gWebAuthnBackgroundThread = NS_GetCurrentThread();
MOZ_ASSERT(gWebAuthnBackgroundThread, "This should never be null!");
}
AbortOngoingTransaction();
mTransactionParent = aTransactionParent;
// Hold on to any state that we need to finish the transaction.
mTransaction = Some(Transaction(aTransactionId, aInfo.ClientDataJSON()));
mPendingSignInfo = Some(aInfo);
// Show a prompt that lets the user cancel the ongoing transaction.
NS_ConvertUTF16toUTF8 origin(aInfo.Origin());
SendPromptNotification(kPresencePromptNotification,
mTransaction.ref().mTransactionId, origin.get(),
aInfo.BrowsingContextId(), "false");
RefPtr<CtapSignArgs> args(new CtapSignArgs(aInfo));
mTransportImpl = GetTransportImpl();
if (!mTransportImpl) {
AbortTransaction(mTransaction.ref().mTransactionId,
NS_ERROR_DOM_NOT_ALLOWED_ERR, true);
return;
}
nsresult rv = mTransportImpl->GetAssertion(
mTransaction.ref().mTransactionId, aInfo.BrowsingContextId(), args.get());
if (NS_FAILED(rv)) {
AbortTransaction(mTransaction.ref().mTransactionId,
NS_ERROR_DOM_NOT_ALLOWED_ERR, true);
return;
}
}
NS_IMETHODIMP
WebAuthnController::FinishSign(uint64_t aTransactionId,
nsICtapSignResult* aResult) {
MOZ_ASSERT(XRE_IsParentProcess());
nsCOMPtr<nsIRunnable> r(
NewRunnableMethod<uint64_t, RefPtr<nsICtapSignResult>>(
"WebAuthnController::RunFinishSign", this,
&WebAuthnController::RunFinishSign, aTransactionId, aResult));
if (!gWebAuthnBackgroundThread) {
return NS_ERROR_FAILURE;
}
if (AppShutdown::IsInOrBeyond(ShutdownPhase::XPCOMShutdownThreads)) {
return NS_ERROR_ILLEGAL_DURING_SHUTDOWN;
}
return gWebAuthnBackgroundThread->Dispatch(r.forget(), NS_DISPATCH_NORMAL);
}
void WebAuthnController::RunFinishSign(
uint64_t aTransactionId, const RefPtr<nsICtapSignResult>& aResult) {
mozilla::ipc::AssertIsOnBackgroundThread();
if (mTransaction.isNothing() ||
aTransactionId != mTransaction.ref().mTransactionId) {
return;
}
nsresult status;
nsresult rv = aResult->GetStatus(&status);
if (NS_WARN_IF(NS_FAILED(rv))) {
AbortTransaction(aTransactionId, NS_ERROR_DOM_NOT_ALLOWED_ERR, true);
return;
}
if (NS_FAILED(status)) {
bool shouldCancelActiveDialog = true;
if (status == NS_ERROR_DOM_INVALID_STATE_ERR) {
// PIN-related errors, e.g. blocked token. Let the dialog show to inform
// the user
shouldCancelActiveDialog = false;
}
Telemetry::ScalarAdd(Telemetry::ScalarID::SECURITY_WEBAUTHN_USED,
u"CTAPSignAbort"_ns, 1);
AbortTransaction(aTransactionId, NS_ERROR_DOM_NOT_ALLOWED_ERR,
shouldCancelActiveDialog);
return;
}
nsTArray<uint8_t> credentialId;
rv = aResult->GetCredentialId(credentialId);
if (NS_WARN_IF(NS_FAILED(rv))) {
AbortTransaction(aTransactionId, NS_ERROR_DOM_NOT_ALLOWED_ERR, true);
return;
}
nsTArray<uint8_t> signature;
rv = aResult->GetSignature(signature);
if (NS_WARN_IF(NS_FAILED(rv))) {
AbortTransaction(aTransactionId, NS_ERROR_DOM_NOT_ALLOWED_ERR, true);
return;
}
nsTArray<uint8_t> authenticatorData;
rv = aResult->GetAuthenticatorData(authenticatorData);
if (NS_WARN_IF(NS_FAILED(rv))) {
AbortTransaction(aTransactionId, NS_ERROR_DOM_NOT_ALLOWED_ERR, true);
return;
}
nsTArray<uint8_t> userHandle;
Unused << aResult->GetUserHandle(userHandle); // optional
nsTArray<WebAuthnExtensionResult> extensions;
bool usedAppId;
rv = aResult->GetUsedAppId(&usedAppId);
if (rv != NS_ERROR_NOT_AVAILABLE) {
if (NS_FAILED(rv)) {
AbortTransaction(aTransactionId, NS_ERROR_DOM_NOT_ALLOWED_ERR, true);
return;
}
extensions.AppendElement(WebAuthnExtensionResultAppId(usedAppId));
}
WebAuthnGetAssertionResult result(mTransaction.ref().mClientDataJSON,
credentialId, signature, authenticatorData,
extensions, userHandle);
Telemetry::ScalarAdd(Telemetry::ScalarID::SECURITY_WEBAUTHN_USED,
u"CTAPSignFinish"_ns, 1);
Unused << mTransactionParent->SendConfirmSign(aTransactionId, result);
ClearTransaction(true);
}
NS_IMETHODIMP
WebAuthnController::SignatureSelectionCallback(uint64_t aTransactionId,
uint64_t idx) {
MOZ_ASSERT(XRE_IsParentProcess());
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIRunnable> r(NewRunnableMethod<uint64_t, uint64_t>(
"WebAuthnController::RunResumeWithSelectedSignResult", this,
&WebAuthnController::RunResumeWithSelectedSignResult, aTransactionId,
idx));
if (!gWebAuthnBackgroundThread) {
return NS_ERROR_FAILURE;
}
if (AppShutdown::IsInOrBeyond(ShutdownPhase::XPCOMShutdownThreads)) {
return NS_ERROR_ILLEGAL_DURING_SHUTDOWN;
}
return gWebAuthnBackgroundThread->Dispatch(r.forget(), NS_DISPATCH_NORMAL);
}
void WebAuthnController::RunResumeWithSelectedSignResult(
uint64_t aTransactionId, uint64_t aIndex) {
mozilla::ipc::AssertIsOnBackgroundThread();
if (mTransportImpl) {
mTransportImpl->SelectionCallback(aTransactionId, aIndex);
}
}
NS_IMETHODIMP
WebAuthnController::PinCallback(uint64_t aTransactionId,
const nsACString& aPin) {
MOZ_ASSERT(XRE_IsParentProcess());
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIRunnable> r(NewRunnableMethod<uint64_t, nsCString>(
"WebAuthnController::RunPinCallback", this,
&WebAuthnController::RunPinCallback, aTransactionId, aPin));
if (!gWebAuthnBackgroundThread) {
return NS_ERROR_FAILURE;
}
if (AppShutdown::IsInOrBeyond(ShutdownPhase::XPCOMShutdownThreads)) {
return NS_ERROR_ILLEGAL_DURING_SHUTDOWN;
}
return gWebAuthnBackgroundThread->Dispatch(r.forget(), NS_DISPATCH_NORMAL);
}
void WebAuthnController::RunPinCallback(uint64_t aTransactionId,
const nsCString& aPin) {
mozilla::ipc::AssertIsOnBackgroundThread();
if (mTransportImpl) {
mTransportImpl->PinCallback(aTransactionId, aPin);
}
}
NS_IMETHODIMP
WebAuthnController::Cancel(uint64_t aTransactionId) {
MOZ_ASSERT(XRE_IsParentProcess());
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIRunnable> r(NewRunnableMethod<uint64_t>(
"WebAuthnController::RunCancel", this, &WebAuthnController::RunCancel,
aTransactionId));
if (!gWebAuthnBackgroundThread) {
return NS_ERROR_FAILURE;
}
if (AppShutdown::IsInOrBeyond(ShutdownPhase::XPCOMShutdownThreads)) {
return NS_ERROR_ILLEGAL_DURING_SHUTDOWN;
}
return gWebAuthnBackgroundThread->Dispatch(r.forget(), NS_DISPATCH_NORMAL);
}
void WebAuthnController::RunCancel(uint64_t aTransactionId) {
mozilla::ipc::AssertIsOnBackgroundThread();
if (mTransaction.isNothing() ||
mTransaction.ref().mTransactionId != aTransactionId) {
return;
}
// Cancel the request.
if (mTransportImpl) {
mTransportImpl->Cancel();
}
// Reject the promise.
AbortTransaction(aTransactionId, NS_ERROR_DOM_NOT_ALLOWED_ERR, true);
}
} // namespace mozilla::dom
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