Toggle organisation restriction from config file.

config/default.js

@@ -41,7 +41,9 @@ module.exports = {
   },
 
   publicKey: {
-    purgeTimeInDays: process.env.PUBLIC_KEY_PURGE_TIME || 30
+    purgeTimeInDays: process.env.PUBLIC_KEY_PURGE_TIME || 30,
+    restrictUserOrigin: process.env.RESTRICT_USER_ORIGIN || false,
+    restrictionRegEx: process.env.RESTRICTION_REGEX
   }
 
 };

config/development.js

@@ -22,6 +22,11 @@ module.exports = {
       name: 'OpenPGP Key Server',
       email: 'user@gmail.com'
     }
+  },
+  
+  publicKey: {
+    restrictUserOrigin: true,
+    restrictionRegEx: '^([a-z0-9\-.]+)@([a-z0-9.\-]*)esisar\.grenoble-inp\.fr$'
   }
 
 };