fix(oauth2): log in with the app's HTTPS callback, Porsche rejects the custom scheme

pyporscheconnectapi/const.py

@@ -1,7 +1,9 @@
 """Client configuration constants."""
 
 AUTHORIZATION_SERVER = "identity.porsche.com"
-REDIRECT_URI = "my-porsche-app://auth0/callback"
+# The app's HTTPS app link. Porsche stopped accepting the custom schemes
+# (my-porsche-app://, my-porsche-app-auth0://) for this client in November 2026.
+REDIRECT_URI = "https://security.porsche.com/auth/en-GB/app/callback"
 AUDIENCE = "https://api.porsche.com"
 CLIENT_ID = "XhygisuebbrqQ80byOuU5VncxLIm8E6H"
 X_CLIENT_ID = "41843fb4-691d-4970-85c7-2673e8ecef40"

pyporscheconnectapi/oauth2.py

@@ -240,7 +240,7 @@ async def get_and_extract_location_params(self, url, params=None):
             headers=self.headers,
         )
         if resp.status_code != 302:
-            msg = "Could not fetch authorization code"
+            msg = f"Could not fetch authorization code: HTTP {resp.status_code}"
             raise PorscheExceptionError(msg)
 
         location = resp.headers["Location"]