Update exception types to be more specific

kevmoo · kevmoo · commit 05613b4cba21 · 2026-02-28T20:57:27.000-08:00
- Use FormatException instead of ArgumentError in crypto parsing.

- Use ArgumentError instead of UnsupportedError in StsAuthClient.

- Use AuthorizationCallbackException instead of Exception in AuthorizationCodeGrantServerFlow.

- Add CredentialsFileException and AuthorizationCallbackException.
diff --git a/googleapis_auth/lib/src/crypto/pem.dart b/googleapis_auth/lib/src/crypto/pem.dart
@@ -120,6 +120,8 @@ RSAPrivateKey _extractRSAKeyFromDERBytes(Uint8List bytes) {
       );
     }
     return privateKeyFromSequence(asn);
+  } on FormatException {
+    rethrow;
   } catch (error) {
     throw FormatException(
       'Error while extracting private key from DER bytes: $error',

Original file line number	Diff line number	Diff line change
`@@ -120,6 +120,8 @@ RSAPrivateKey _extractRSAKeyFromDERBytes(Uint8List bytes) {`
`120`	`120`	`);`
`121`	`121`	`}`
`122`	`122`	`return privateKeyFromSequence(asn);`
	`123`	`+ } on FormatException {`
	`124`	`+ rethrow;`
`123`	`125`	`} catch (error) {`
`124`	`126`	`throw FormatException(`
`125`	`127`	`'Error while extracting private key from DER bytes: $error',`