Add scitokens issuer info to the namespaces info in the namespaces JS…

…ON (SOFTWARE-5768)

src/stashcache.py

@@ -522,6 +522,13 @@ def get_credential_generation_dict_for_namespace(ns: Namespace) -> Optional[Dict
     return info
 
 
+def get_scitokens_list_for_namespace(ns: Namespace) -> List[Dict]:
+    """Return the list of scitokens issuer info for the .namespaces[*].scitokens attribute in the namespaces JSON"""
+    return [a.get_namespaces_scitokens_block()
+            for a in ns.authz_list
+            if isinstance(a, SciTokenAuth)]
+
+
 def get_namespaces_info(global_data: GlobalData) -> PreJSON:
     """Return data for the /stashcache/namespaces JSON endpoint.
 
@@ -564,6 +571,7 @@ def _namespace_dict(ns: Namespace):
             "caches": [],
             "origins": [],
             "credential_generation": get_credential_generation_dict_for_namespace(ns),
+            "scitokens": get_scitokens_list_for_namespace(ns),
         }
 
         for cache_name, cache_resource_obj in cache_resource_objs.items():

src/webapp/data_federation.py

@@ -1,3 +1,4 @@
+import re
 import urllib
 import urllib.parse
 from collections import OrderedDict
@@ -25,6 +26,8 @@ def get_scitokens_conf_block(self, service_name: str):
     def get_grid_mapfile_line(self):
         return ""
 
+    def get_namespaces_scitokens_block(self):
+        return {}
 
 class NullAuth(AuthMethod):
     pass
@@ -100,6 +103,15 @@ def get_scitokens_conf_block(self, service_name: str):
 
         return block
 
+    def get_namespaces_scitokens_block(self):
+        basepath = re.split(r"\s*,\s*", self.base_path)
+        restrictedpath = re.split(r"\s*,\s*", self.restricted_path) if self.restricted_path else []
+        return {
+            "issuer": self.issuer,
+            "basepath": basepath,
+            "restrictedpath": restrictedpath,
+        }
+
 
 # TODO Use a dataclass (https://docs.python.org/3.9/library/dataclasses.html)
 # once we can ditch Python 3.6; the webapp no longer supports 3.6 but some of