added access control model and more stuff around access mgmt

backend/config.py

@@ -6,7 +6,7 @@ import os
 basedir = os.path.abspath(os.path.dirname(__file__))
 
 
-class Config():
+class Config:
     # SERVER_NAME = "ubkaps154.ubka.uni-karlsruhe.de:5443"
     # SERVER_NAME = "localhost.dev"
     SERVER_NAME = "localhost:5443"
@@ -97,6 +97,9 @@ class Config():
               "password": "admin"}
              ]
 
+    ROLE_PERMISSION_MAPPINGS = {
+        "admin": ["ADMIN"]
+    }
 
 class ProductionConfig(Config):
     DATABASE_URI = 'mysql://user@localhost/foo'