1 files changed, 53 insertions, 0 deletions
diff --git a/packages/server/src/helpers/parseAuthenticatorData.test.ts b/packages/server/src/helpers/parseAuthenticatorData.test.ts
new file mode 100644
index 0000000..3bba4b6
--- /dev/null
+++ b/packages/server/src/helpers/parseAuthenticatorData.test.ts
@@ -0,0 +1,53 @@
+import cbor from 'cbor';
+
+import parseAuthenticatorData from './parseAuthenticatorData';
+
+// Grabbed this from a Conformance test, contains attestation data
+const authDataWithAT = Buffer.from(
+  'SZYN5YgOjGh0NBcPZHZgW4/krrmihjLHmVzzuoMdl2NBAAAAJch83ZdWwUm4niTLNjZU81AAIHa7Ksm5br3hAh3UjxP9+4rqu8BEsD+7SZ2xWe1/yHv6pAEDAzkBACBZAQDcxA7Ehs9goWB2Hbl6e9v+aUub9rvy2M7Hkvf+iCzMGE63e3sCEW5Ru33KNy4um46s9jalcBHtZgtEnyeRoQvszis+ws5o4Da0vQfuzlpBmjWT1dV6LuP+vs9wrfObW4jlA5bKEIhv63+jAxOtdXGVzo75PxBlqxrmrr5IR9n8Fw7clwRsDkjgRHaNcQVbwq/qdNwU5H3hZKu9szTwBS5NGRq01EaDF2014YSTFjwtAmZ3PU1tcO/QD2U2zg6eB5grfWDeAJtRE8cbndDWc8aLL0aeC37Q36+TVsGe6AhBgHEw6eO3I3NW5r9v/26CqMPBDwmEundeq1iGyKfMloobIUMBAAE=',
+  'base64',
+);
+// Grabbed this from a Conformance test, contains extension data
+const authDataWithED = Buffer.from(
+  'SZYN5YgOjGh0NBcPZHZgW4/krrmihjLHmVzzuoMdl2OBAAAAjaFxZXhhbXBsZS5leHRlbnNpb254dlRoaXMgaXMgYW4gZXhhbXBsZSBleHRlbnNpb24hIElmIHlvdSByZWFkIHRoaXMgbWVzc2FnZSwgeW91IHByb2JhYmx5IHN1Y2Nlc3NmdWxseSBwYXNzaW5nIGNvbmZvcm1hbmNlIHRlc3RzLiBHb29kIGpvYiE=',
+  'base64',
+);
+
+test('should parse flags', () => {
+  const parsed = parseAuthenticatorData(authDataWithED);
+
+  const { flags } = parsed;
+
+  expect(flags.up).toEqual(true);
+  expect(flags.uv).toEqual(false);
+  expect(flags.at).toEqual(false);
+  expect(flags.ed).toEqual(true);
+});
+
+test('should parse attestation data', () => {
+  const parsed = parseAuthenticatorData(authDataWithAT);
+
+  const { credentialID, credentialPublicKey, aaguid } = parsed;
+
+  expect(credentialID?.toString('base64')).toEqual('drsqybluveECHdSPE/37iuq7wESwP7tJnbFZ7X/Ie/o=');
+  expect(credentialPublicKey?.toString('base64')).toEqual(
+    'pAEDAzkBACBZAQDcxA7Ehs9goWB2Hbl6e9v+aUub9rvy2M7Hkvf+iCzMGE63e3sCEW5Ru33KNy4um46s9jalcBHtZgtEnyeRoQvszis+ws5o4Da0vQfuzlpBmjWT1dV6LuP+vs9wrfObW4jlA5bKEIhv63+jAxOtdXGVzo75PxBlqxrmrr5IR9n8Fw7clwRsDkjgRHaNcQVbwq/qdNwU5H3hZKu9szTwBS5NGRq01EaDF2014YSTFjwtAmZ3PU1tcO/QD2U2zg6eB5grfWDeAJtRE8cbndDWc8aLL0aeC37Q36+TVsGe6AhBgHEw6eO3I3NW5r9v/26CqMPBDwmEundeq1iGyKfMloobIUMBAAE=',
+  );
+  expect(aaguid?.toString('base64')).toEqual('yHzdl1bBSbieJMs2NlTzUA==');
+});
+
+test('should parse extension data', () => {
+  expect.assertions(1);
+
+  const parsed = parseAuthenticatorData(authDataWithED);
+
+  const { extensionsDataBuffer } = parsed;
+
+  if (extensionsDataBuffer) {
+    const decoded = cbor.decodeFirstSync(extensionsDataBuffer);
+    expect(decoded).toEqual({
+      'example.extension':
+        'This is an example extension! If you read this message, you probably successfully passing conformance tests. Good job!',
+    });
+  }
+});