bito-code-review[bot] commented on code in PR #36933:
URL: https://github.com/apache/superset/pull/36933#discussion_r2891603314


##########
superset/security/manager.py:
##########
@@ -2834,6 +2842,17 @@ def validate_guest_token_resources(resources: 
GuestTokenResources) -> None:
                     embedded = 
EmbeddedDashboardDAO.find_by_id(str(resource["id"]))
                     if not embedded:
                         raise EmbeddedDashboardNotFoundError()
+            elif resource["type"] == 
GuestTokenResourceType.CHART_PERMALINK.value:
+                # Validate that the chart permalink exists
+                permalink_key = str(resource["id"])
+                try:
+                    permalink_value = 
GetExplorePermalinkCommand(permalink_key).run()
+                    if not permalink_value:
+                        raise EmbeddedChartPermalinkNotFoundError()
+                except EmbeddedChartPermalinkNotFoundError:
+                    raise
+                except Exception:
+                    raise EmbeddedChartPermalinkNotFoundError() from None

Review Comment:
   <!-- Bito Reply -->
   This fix improves exception handling in `validate_guest_token_resources` by 
narrowing the catch scope to specific exceptions 
(EmbeddedChartPermalinkNotFoundError, ValueError, KeyError) that can arise from 
permalink access or resource parsing, and removes exception chaining with `from 
None` to avoid leaking internal error details in stack traces.



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