new: examples/filter_attributes: enforce controlled vocabulary for eduPerson*Affiliation attributes

Author: vladimir-mencl-eresearch

example/plugins/microservices/filter_attributes.yaml.example

@@ -2,6 +2,15 @@ module: satosa.micro_services.attribute_modifications.FilterAttributeValues
 name: AttributeFilter
 config:
     attribute_filters:
+        # default rules for any IdentityProvider
+        "":
+            # default rules for any requester
+            "":
+                # enforce controlled vocabulary
+                eduPersonAffiliation: "^(faculty|student|staff|alum|member|affiliate|employee|library-walk-in)$"
+                eduPersonPrimaryAffiliation: "^(faculty|student|staff|alum|member|affiliate|employee|library-walk-in)$"
+                eduPersonScopedAffiliation: "^(faculty|student|staff|alum|member|affiliate|employee|library-walk-in)@"
+
         target_provider1:
             requester1:
                 attr1: "^foo:bar$"