Fix MDQ Endpoint Behavior for EntityIDs with .xml or Trailing Slash

src/pyff/api.py

@@ -173,7 +173,11 @@ def _d(x: Optional[str], do_split: bool = True) -> tuple[Optional[str], Optional
             (pth, dot, extn) = x.rpartition('.')
             assert dot == '.'
             if extn in _ctypes:
-                return pth, extn
+                hash_prefixes = ("{sha1}", "{sha256}", "{md5}")
+                if any(pth.startswith(prefix) for prefix in hash_prefixes):
+                    return pth, extn
+
+                return x, extn
 
         return x, None
 
@@ -202,6 +206,9 @@ def _d(x: Optional[str], do_split: bool = True) -> tuple[Optional[str], Optional
     alias = path_elem.pop(0)
     path = '/'.join(path_elem)
 
+    if request.path.endswith('/'):
+        path += '/'
+
     # Ugly workaround bc WSGI drops double-slashes.
     path = path.replace(':/', '://')
 

src/pyff/test/test_md_api.py

@@ -4,6 +4,7 @@
 import unittest
 from datetime import datetime, timezone
 from urllib.parse import quote as urlescape
+from xml.etree import ElementTree as ET
 
 import pytest
 import requests
@@ -146,6 +147,20 @@ def test_load_and_query(self):
                 'https://box-idp.nordu.net/simplesaml/module.php/saml/sp/discoResponse' in info['discovery_responses']
             )
 
+            r = requests.get(f"{url}/entities/https%3A%2F%2Fclarino.uib.no%2F", headers={'Accept':'application/json'})
+            assert r.status_code == 200
+            data = r.json()
+            info = data[0]
+            assert (
+                'https://clarino.uib.no/feide/single-login' in info['discovery_responses']
+            )
+
+            r = requests.get(f"{url}/entities/https%3A%2F%2Fshibboleth.mzk.cz%2Fsimplesaml%2Fmetadata.xml", headers={'Accept':'application/xml'})
+            assert r.status_code == 200
+
+            root = ET.fromstring(r.content)
+            assert root.tag.endswith('EntityDescriptor')
+
 
 class PyFFAPITestResources(PipeLineTest):
     """