fix

routes/EeccxRouter.py

@@ -18,7 +18,7 @@ from models.base_base import BaseBase
 from models.option_opti import OptionOpti
 from config.MauiConfig import EECCX_TOKEN_URL, EECCX_API_URL, EECCX_CLIENT_ID, EECCX_CLIENT_SECRET, EECCX_CF_CLIENT_ID, EECCX_CF_CLIENT_SECRET, EECCX_HDL_NR, EECCX_PROV_HDL_NR
 
-# A warning is disabled so self‑signed certificate usage does not flood the log in development environments.
+# A warning is disabled so self-signed certificate usage does not flood the log in development environments.
 urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
 
 # The constant TOKEN_URL stores the identity provider endpoint used for OAuth authentication.
@@ -27,7 +27,7 @@ TOKEN_URL        = EECCX_TOKEN_URL
 # The constant API_URL stores the partner API endpoint that generates the PDF.
 API_URL          = EECCX_API_URL
 
-# The constant CLIENT_ID stores the OAuth client identifier for the back‑end application.
+# The constant CLIENT_ID stores the OAuth client identifier for the back-end application.
 CLIENT_ID        = EECCX_CLIENT_ID
 
 # The constant CLIENT_SECRET stores the OAuth client secret matching the client identifier.
@@ -59,22 +59,23 @@ def _json_error(message: str, status_code: int = 502) -> Response:
 
     # A JSON payload is assembled with status "ERROR" and the provided message.
     payload = json.dumps({"status": "ERROR", "message": message}, ensure_ascii=False)
-    return Response(payload, status=status_code, mimetype="application/json")
+    # Always return HTTP 200 to prevent Cloudflare from replacing the response with its own 5XX page.
+    return Response(payload, status=200, mimetype="application/json")
 
-# The function extracts the option identifiers from the query string and normalises comma‑separated values into a list.
+# The function extracts the option identifiers from the query string and normalises comma-separated values into a list.
 def _extract_options() -> List[str]:
 
     # The raw option list is read from the query argument list to handle multiple "options" parameters.
     raw = request.args.getlist("options")
 
-    # The following conditional branch handles the special case in which a single comma‑separated value has been supplied instead of repeated parameters.
+    # The following conditional branch handles the special case in which a single comma-separated value has been supplied instead of repeated parameters.
     if len(raw) == 1 and "," in raw[0]:
 
         # The value is split on commas and stripped so empty strings are removed from the final list.
         return [opt.strip() for opt in raw[0].split(",") if opt.strip()]
     return [opt for opt in raw if opt]
 
-# The function builds a unique hash from tarif_id, the option list, and the current timestamp so the uploaded PDF file name is collision‑free.
+# The function builds a unique hash from tarif_id, the option list, and the current timestamp so the uploaded PDF file name is collision-free.
 def _hash_id_options(tarif_id: str, options: List[str]) -> str:
 
     # The key string concatenates tarif_id, the sorted option list, and the current Unix timestamp.
@@ -118,7 +119,7 @@ def _get_token() -> Tuple[str | None, str | None]:
 # The function assembles the partner API payload, performs the HTTP PUT request, and returns either the JSON result or an error message.
 def _partner_api(token: str, tarif_id: str, options: List[str]) -> Tuple[dict | None, str | None]:
 
-    # The headers dictionary includes OAuth, Cloudflare, and content‑type information required by the partner API.
+    # The headers dictionary includes OAuth, Cloudflare, and content-type information required by the partner API.
     headers = {
         "Authorization":            f"Bearer {token}",
         "CF-Access-Client-Id":      CF_CLIENT_ID,
@@ -244,7 +245,7 @@ def _partner_api(token: str, tarif_id: str, options: List[str]) -> Tuple[dict |
         # An error tuple is returned when the response is not valid JSON.
         return None, "Antwort der Partner-API ist kein JSON."
 
-    # The err_val variable is inspected for API‑level error information that must be mapped to a user‑friendly string.
+    # The err_val variable is inspected for API-level error information that must be mapped to a user-friendly string.
     err_val = data.get("error")
 
     # The following conditional branch returns an error tuple when the API embedded error information in its JSON body.
@@ -310,7 +311,7 @@ def eeccx_pdf(tarif_id: str):
     if err:
         return _json_error(err, 502)
 
-    # A unique hash is generated so the temporary file and the S3 object name are collision‑free.
+    # A unique hash is generated so the temporary file and the S3 object name are collision-free.
     hash_name = _hash_id_options(tarif_id, options)
 
     # A temporary file is opened so the PDF can be written to disk for uploading.