Support id_token responses in JwtFlow

dart-archive · Sep 4, 2020 · 2b02329 · 2b02329
1 parent 9c2bb89
commit 2b02329
Showing 1 changed file with 11 additions and 3 deletions.
diff --git a/lib/src/oauth2_flows/jwt.dart b/lib/src/oauth2_flows/jwt.dart
@@ -75,11 +75,19 @@ class JwtFlow {
         .transform(json.decoder)
         .first;
     Map response = object as Map;
-    var tokenType = response['token_type'];
-    var token = response['access_token'];
-    var expiresIn = response['expires_in'];
+    String tokenType = response['token_type'];
+    String token = response['access_token'];
+    int expiresIn = response['expires_in'];
     var error = response['error'];
 
+    if(response['id_token'] != null) {
+      tokenType = 'Bearer';
+      token = response['id_token'];
+      final payloadB64 = token.split('.')[1];
+      final decoded = jsonDecode(ascii.decode(base64Decode(base64.normalize(payloadB64))));
+      expiresIn = decoded['exp'] * 1000;
+    }
+
     if (httpResponse.statusCode != 200 && error != null) {
       throw new Exception('Unable to obtain credentials. Error: $error.');
     }