fix: Set fallback url for authorisation server metadata #3124

TalaoDAO · Nov 28, 2024 · c4771ce · c4771ce
1 parent 8faa499
commit c4771ce
Showing 1 changed file with 20 additions and 2 deletions.
diff --git a/packages/oidc4vc/lib/src/oidc4vc.dart b/packages/oidc4vc/lib/src/oidc4vc.dart
@@ -1710,8 +1710,12 @@ class OIDC4VC {
 
     var url = '$baseUrl/.well-known/openid-configuration';
 
+    final oAuthUrl = '$baseUrl/.well-known/oauth-authorization-server';
+    var fallbackUrl = oAuthUrl;
+
     if (useOAuthAuthorizationServerLink) {
-      url = '$baseUrl/.well-known/oauth-authorization-server';
+      fallbackUrl = url;
+      url = oAuthUrl;
     }
 
     try {
@@ -1727,7 +1731,21 @@ class OIDC4VC {
 
       return data;
     } catch (e) {
-      throw Exception('AUTHORIZATION_SERVER_METADATA_ISSUE');
+      try {
+        final response = await dioGet(
+          fallbackUrl,
+          isCachingEnabled: isCachingEnabled,
+          dio: dio,
+          secureStorage: secureStorage,
+        );
+        final data = response is String
+            ? jsonDecode(response) as Map<String, dynamic>
+            : response as Map<String, dynamic>;
+
+        return data;
+      } catch (e) {
+        throw Exception('AUTHORIZATION_SERVER_METADATA_ISSUE');
+      }
     }
   }