Add support for FedCM, Passkey, and WebAuthn well-known files

dist/well-known.js

@@ -86,9 +86,10 @@ return Promise.all([
       let hasDeepLinking = false;
       let hasCredentialSharing = false;
       data.forEach(statement => {
-        if (statement.relation === 'delegate_permission/common.handle_all_urls') {
+        if (statement.relation.includes('delegate_permission/common.handle_all_urls')) {
           hasDeepLinking = true;
-        } else if (statement.relation === 'delegate_permission/common.get_login_creds') {
+        }
+        if (statement.relation.includes('delegate_permission/common.get_login_creds')) {
           hasCredentialSharing = true;
         }
       });
@@ -115,6 +116,54 @@ return Promise.all([
       return data;
     });
   }),
+  // FedCM
+  parseResponse('/.well-known/web-identity', r => {
+    return r.json().then(data => {
+        let result = {
+            provider_urls: Array.isArray(data.provider_urls) && data.provider_urls.length > 0 ? data.provider_urls : [],
+            accounts_endpoint: data.accounts_endpoint || null,
+            login_url: data.login_url || null,
+            valid: Array.isArray(data.provider_urls) && data.provider_urls.length > 0
+        };
+        return result;
+    }).catch(error => {
+        return {
+            error: `Failed to parse JSON: ${error.message}`,
+            valid: false
+        };
+    });
+  }),
+  // Passkey
+  parseResponse('/.well-known/passkey-endpoints', r => {
+    return r.json().then(data => {
+        let result = {
+            enroll: data.enroll || null,
+            manage: data.manage || null,
+            valid: typeof data.enroll === 'string' && typeof data.manage === 'string'
+        };
+        return result;
+    }).catch(error => {
+        return {
+            error: `Failed to parse JSON: ${error.message}`,
+            valid: false
+        };
+    });
+  }),
+  // Related Origin Requests
+  parseResponse('/.well-known/webauthn', r => {
+    return r.json().then(data => {
+        let result = {
+            origins: Array.isArray(data.origins) && data.origins.length > 0 ? data.origins : [],
+            valid: Array.isArray(data.origins) && data.origins.length > 0
+        };
+        return result;
+    }).catch(error => {
+        return {
+            error: `Failed to parse JSON: ${error.message}`,
+            valid: false
+        };
+    });
+  }),
   // security
   parseResponse('/robots.txt', r => {
     return r.text().then(text => {