added role to security token check

src/data-hub/role-stage-discovery-microservice/app/services/token_service.py

+from security import security_utils as security
+
 def verifyTokenRegular(token, required_scopes):
     # TODO call restGateway to verify the token
     return {}

src/modules/security/security_util.py

@@ -11,13 +11,15 @@ class TokenStash:
     to the user-microservice
     '''
     trusted_tokens = {}
+    roles = {}
 
     @staticmethod
-    def add(token: str, username: str):
+    def add(token: str, username: str, role: str):
         '''
         adds a verified token to the stash
         '''
         TokenStash.trusted_tokens[token] = username
+        TokenStash.roles[token] = role
 
     @staticmethod
     def is_token_cached(token: str) -> str:
@@ -25,8 +27,8 @@ class TokenStash:
         returns the associated username to a token, None otherwise
         '''
 
-        if token in TokenStash.trusted_tokens:
-            return TokenStash.trusted_tokens[token]
+        if token in TokenStash.trusted_tokens and token in TokenStash.roles:
+            return {"sub": TokenStash.trusted_tokens[token], "role": TokenStash.roles[token]}
 
         return None
 
@@ -62,5 +64,5 @@ def decodeToken(token: str) -> Dict:
         raise ValueError(
             f"Validation of token failed (missing field in verification response)!")
 
-    TokenStash.add(token, data["username"])
-    return {"sub": data["username"]}
+    TokenStash.add(token, data["username"], data["role"])
+    return {"sub": data["username"], "role": data["role"]}