🐛🎨 Feature-detect full Webauthn support

Fixes pypi#6050 Ref: https://www.ubisecure.com/api/fido-webauthn-api/
webknjaz · Jul 26, 2019 · 5f52224 · 5f52224
1 parent 3e43e27
commit 5f52224
Showing 1 changed file with 9 additions and 2 deletions.
diff --git a/warehouse/static/js/warehouse/utils/webauthn.js b/warehouse/static/js/warehouse/utils/webauthn.js
@@ -159,8 +159,15 @@ const postAssertion = async (assertion, token) => {
   return await resp.json();
 };
 
-export const GuardWebAuthn = () => {
-  if (!window.PublicKeyCredential) {
+export const GuardWebAuthn = async () => {
+  if (
+      !window.PublicKeyCredential ||
+      !(
+          await window
+              .PublicKeyCredential
+              .isUserVerifyingPlatformAuthenticatorAvailable()
+      )
+  ) {
     let webauthn_button = document.getElementById("webauthn-button");
     if (webauthn_button) {
       webauthn_button.className += " button--disabled";