fix

Author: paulineribeyre

gen3workflow/routes/s3.py

@@ -1,5 +1,6 @@
 from datetime import datetime, timezone
 import hashlib
+import traceback
 from typing import Tuple
 import urllib.parse
 
@@ -50,14 +51,17 @@ def get_access_token(headers: Headers) -> Tuple[str, str]:
         logger.error(err_msg)
         raise HTTPException(HTTP_401_UNAUTHORIZED, err_msg)
     try:
+        logger.info(f"DEBUG: auth_header = {auth_header}")
         if "Credential=" in auth_header:  # format 1 (see docstring)
             access_key_id = auth_header.split("Credential=")[1].split("/")[0]
+            user_id = None
         else:  # format 2 (see docstring)
             access_key_id = auth_header.split("AWS ")[1]
             access_key_id = ":".join(access_key_id.split(":")[:-1])
-        access_token, user_id = access_key_id.split(";userId=")
+            access_token, user_id = access_key_id.split(";userId=")
         return access_token, user_id
     except Exception as e:
+        traceback.print_exc()
         logger.error(
             f"Unexpected format; unable to extract access token from authorization header: {e}"
         )