fix(settings): scrub camelCase secret keys (#3707)

src/settings_scrub.py

@@ -12,6 +12,8 @@ tunnel / reverse proxy. Scrubbing is deep (recurses nested dicts/lists) and keye
 on secret-shaped names.
 """
 
+import re
+
 _SECRET_KEY_PATTERNS = (
     "_api_key", "_apikey", "_password", "_passwd", "_pass", "_pwd",
     "_secret", "_client_secret", "_token", "_access_token", "_refresh_token",
@@ -26,8 +28,16 @@ _SENSITIVE_KEY_EXACT = (
 )
 
 
+def _canonical_key_name(name: str) -> str:
+    """Normalize common JS-style key names so secret matching is style-agnostic."""
+    n = (name or "").replace("-", "_")
+    n = re.sub(r"(.)([A-Z][a-z]+)", r"\1_\2", n)
+    n = re.sub(r"([a-z0-9])([A-Z])", r"\1_\2", n)
+    return n.lower()
+
+
 def is_secret_key(name: str) -> bool:
-    n = (name or "").lower()
+    n = _canonical_key_name(name)
     if n in _SECRET_KEY_ALLOW:
         return False
     if n in _SENSITIVE_KEY_EXACT:

tests/test_settings_scrub.py

@@ -40,7 +40,8 @@ def test_secret_in_list_of_dicts_blanked():
 
 def test_non_secret_keys_preserved():
     s = {"keybinds": {"send": "Enter"}, "theme": "dark", "image_model": "x",
-         "default_endpoint_id": "ep1", "search_result_count": 5, "tts_enabled": True}
+         "default_endpoint_id": "ep1", "search_result_count": 5, "tts_enabled": True,
+         "tokenId": "public-id", "keyId": "public-key-id"}
     assert scrub_settings(s) == s  # untouched
 
 
@@ -71,6 +72,23 @@ def test_exact_name_matches():
     assert all(v == "" for v in out.values()), out
 
 
+def test_camel_case_secret_keys_blanked():
+    out = scrub_settings({
+        "apiKey": "api-secret",
+        "accessToken": "access-secret",
+        "refreshToken": "refresh-secret",
+        "clientSecret": "client-secret",
+        "hfToken": "hf-secret",
+        "nested": {"privateKey": "private-secret"},
+    })
+    assert out["apiKey"] == ""
+    assert out["accessToken"] == ""
+    assert out["refreshToken"] == ""
+    assert out["clientSecret"] == ""
+    assert out["hfToken"] == ""
+    assert out["nested"]["privateKey"] == ""
+
+
 def test_non_object_settings_return_empty_mapping():
     assert scrub_settings(["not", "settings"]) == {}
     assert scrub_settings("not settings") == {}