Identify new possible user verification error

MasterKale · Oct 6, 2024 · 7952bb8 · 7952bb8
1 parent 9315fbf
commit 7952bb8
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diff --git a/packages/browser/src/helpers/identifyRegistrationError.ts b/packages/browser/src/helpers/identifyRegistrationError.ts
@@ -35,6 +35,18 @@ export function identifyRegistrationError({
         code: 'ERROR_AUTHENTICATOR_MISSING_DISCOVERABLE_CREDENTIAL_SUPPORT',
         cause: error,
       });
+    } else if (
+      // @ts-ignore: `mediation` doesn't yet exist on CredentialCreationOptions but it's possible as of Sept 2024
+      options.mediation === 'conditional' &&
+      publicKey.authenticatorSelection?.userVerification === 'required'
+    ) {
+      // https://w3c.github.io/webauthn/#sctn-createCredential (Step 22.4)
+      return new WebAuthnError({
+        message:
+          'User verification was required during automatic registration but it could not be performed',
+        code: 'ERROR_AUTO_REGISTER_USER_VERIFICATION_FAILURE',
+        cause: error,
+      });
     } else if (
       publicKey.authenticatorSelection?.userVerification === 'required'
     ) {

diff --git a/packages/browser/src/helpers/webAuthnError.ts b/packages/browser/src/helpers/webAuthnError.ts
@@ -47,4 +47,5 @@ export type WebAuthnErrorCode =
   | 'ERROR_AUTHENTICATOR_MISSING_USER_VERIFICATION_SUPPORT'
   | 'ERROR_AUTHENTICATOR_PREVIOUSLY_REGISTERED'
   | 'ERROR_AUTHENTICATOR_NO_SUPPORTED_PUBKEYCREDPARAMS_ALG'
+  | 'ERROR_AUTO_REGISTER_USER_VERIFICATION_FAILURE'
   | 'ERROR_PASSTHROUGH_SEE_CAUSE_PROPERTY';