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/* 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/Services.h"
#include "mozilla/StaticPrefs_security.h"
#include "nsIObserverService.h"
#include "nsThreadUtils.h"
#include "WebAuthnService.h"
#include "WebAuthnTransportIdentifiers.h"
namespace mozilla::dom {
already_AddRefed<nsIWebAuthnService> NewWebAuthnService() {
nsCOMPtr<nsIWebAuthnService> webauthnService(new WebAuthnService());
return webauthnService.forget();
}
NS_IMPL_ISUPPORTS(WebAuthnService, nsIWebAuthnService)
NS_IMETHODIMP
WebAuthnService::MakeCredential(uint64_t aTransactionId,
uint64_t browsingContextId,
nsIWebAuthnRegisterArgs* aArgs,
nsIWebAuthnRegisterPromise* aPromise) {
auto guard = mTransactionState.Lock();
if (guard->isSome()) {
guard->ref().service->Reset();
*guard = Nothing();
}
*guard = Some(TransactionState{DefaultService()});
return guard->ref().service->MakeCredential(aTransactionId, browsingContextId,
aArgs, aPromise);
}
NS_IMETHODIMP
WebAuthnService::GetAssertion(uint64_t aTransactionId,
uint64_t browsingContextId,
nsIWebAuthnSignArgs* aArgs,
nsIWebAuthnSignPromise* aPromise) {
auto guard = mTransactionState.Lock();
if (guard->isSome()) {
guard->ref().service->Reset();
*guard = Nothing();
}
*guard = Some(TransactionState{DefaultService()});
nsresult rv;
#if defined(XP_MACOSX)
// The macOS security key API doesn't handle the AppID extension. So we'll
// use authenticator-rs if it's likely that the request requires AppID. We
// consider it likely if 1) the AppID extension is present, 2) the allow list
// is non-empty, and 3) none of the allowed credentials use the
// "internal" or "hybrid" transport.
nsString appId;
rv = aArgs->GetAppId(appId);
if (rv == NS_OK) { // AppID is set
uint8_t transportSet = 0;
nsTArray<uint8_t> allowListTransports;
Unused << aArgs->GetAllowListTransports(allowListTransports);
for (const uint8_t& transport : allowListTransports) {
transportSet |= transport;
}
uint8_t passkeyTransportMask =
MOZ_WEBAUTHN_AUTHENTICATOR_TRANSPORT_ID_INTERNAL |
MOZ_WEBAUTHN_AUTHENTICATOR_TRANSPORT_ID_HYBRID;
if (allowListTransports.Length() > 0 &&
(transportSet & passkeyTransportMask) == 0) {
guard->ref().service = AuthrsService();
}
}
#endif
rv = guard->ref().service->GetAssertion(aTransactionId, browsingContextId,
aArgs, aPromise);
if (NS_FAILED(rv)) {
return rv;
}
// If this is a conditionally mediated request, notify observers that there
// is a pending transaction. This is mainly useful in tests.
bool conditionallyMediated;
Unused << aArgs->GetConditionallyMediated(&conditionallyMediated);
if (conditionallyMediated) {
nsCOMPtr<nsIRunnable> runnable(NS_NewRunnableFunction(__func__, []() {
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
if (os) {
os->NotifyObservers(nullptr, "webauthn:conditional-get-pending",
nullptr);
}
}));
NS_DispatchToMainThread(runnable.forget());
}
return NS_OK;
}
NS_IMETHODIMP
WebAuthnService::GetIsUVPAA(bool* aAvailable) {
return DefaultService()->GetIsUVPAA(aAvailable);
}
NS_IMETHODIMP
WebAuthnService::HasPendingConditionalGet(uint64_t aBrowsingContextId,
const nsAString& aOrigin,
uint64_t* aRv) {
return SelectedService()->HasPendingConditionalGet(aBrowsingContextId,
aOrigin, aRv);
}
NS_IMETHODIMP
WebAuthnService::GetAutoFillEntries(
uint64_t aTransactionId, nsTArray<RefPtr<nsIWebAuthnAutoFillEntry>>& aRv) {
return SelectedService()->GetAutoFillEntries(aTransactionId, aRv);
}
NS_IMETHODIMP
WebAuthnService::SelectAutoFillEntry(uint64_t aTransactionId,
const nsTArray<uint8_t>& aCredentialId) {
return SelectedService()->SelectAutoFillEntry(aTransactionId, aCredentialId);
}
NS_IMETHODIMP
WebAuthnService::ResumeConditionalGet(uint64_t aTransactionId) {
return SelectedService()->ResumeConditionalGet(aTransactionId);
}
NS_IMETHODIMP
WebAuthnService::Reset() {
auto guard = mTransactionState.Lock();
if (guard->isSome()) {
guard->ref().service->Reset();
}
*guard = Nothing();
return NS_OK;
}
NS_IMETHODIMP
WebAuthnService::Cancel(uint64_t aTransactionId) {
return SelectedService()->Cancel(aTransactionId);
}
NS_IMETHODIMP
WebAuthnService::PinCallback(uint64_t aTransactionId, const nsACString& aPin) {
return SelectedService()->PinCallback(aTransactionId, aPin);
}
NS_IMETHODIMP
WebAuthnService::ResumeMakeCredential(uint64_t aTransactionId,
bool aForceNoneAttestation) {
return SelectedService()->ResumeMakeCredential(aTransactionId,
aForceNoneAttestation);
}
NS_IMETHODIMP
WebAuthnService::SelectionCallback(uint64_t aTransactionId, uint64_t aIndex) {
return SelectedService()->SelectionCallback(aTransactionId, aIndex);
}
NS_IMETHODIMP
WebAuthnService::AddVirtualAuthenticator(
const nsACString& protocol, const nsACString& transport,
bool hasResidentKey, bool hasUserVerification, bool isUserConsenting,
bool isUserVerified, uint64_t* retval) {
return SelectedService()->AddVirtualAuthenticator(
protocol, transport, hasResidentKey, hasUserVerification,
isUserConsenting, isUserVerified, retval);
}
NS_IMETHODIMP
WebAuthnService::RemoveVirtualAuthenticator(uint64_t authenticatorId) {
return SelectedService()->RemoveVirtualAuthenticator(authenticatorId);
}
NS_IMETHODIMP
WebAuthnService::AddCredential(uint64_t authenticatorId,
const nsACString& credentialId,
bool isResidentCredential,
const nsACString& rpId,
const nsACString& privateKey,
const nsACString& userHandle,
uint32_t signCount) {
return SelectedService()->AddCredential(authenticatorId, credentialId,
isResidentCredential, rpId,
privateKey, userHandle, signCount);
}
NS_IMETHODIMP
WebAuthnService::GetCredentials(
uint64_t authenticatorId,
nsTArray<RefPtr<nsICredentialParameters>>& retval) {
return SelectedService()->GetCredentials(authenticatorId, retval);
}
NS_IMETHODIMP
WebAuthnService::RemoveCredential(uint64_t authenticatorId,
const nsACString& credentialId) {
return SelectedService()->RemoveCredential(authenticatorId, credentialId);
}
NS_IMETHODIMP
WebAuthnService::RemoveAllCredentials(uint64_t authenticatorId) {
return SelectedService()->RemoveAllCredentials(authenticatorId);
}
NS_IMETHODIMP
WebAuthnService::SetUserVerified(uint64_t authenticatorId,
bool isUserVerified) {
return SelectedService()->SetUserVerified(authenticatorId, isUserVerified);
}
NS_IMETHODIMP
WebAuthnService::Listen() { return SelectedService()->Listen(); }
NS_IMETHODIMP
WebAuthnService::RunCommand(const nsACString& cmd) {
return SelectedService()->RunCommand(cmd);
}
} // namespace mozilla::dom
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