Lower case user login id when looking for UserLogin (Ref. #4079)

@@ -189,13 +189,14 @@ public class DirectControlServlet extends HttpServlet {
                     )
                 );
 
-                if (authTokenEntity != null && 
-                    authTokenEntity.get("userLoginId") != null) {
+                if (authTokenEntity != null) {
+                    String userLoginId = authTokenEntity.getString("userLoginId");
+                    if (UtilValidate.isNotEmpty(userLoginId)) {
                         GenericValue userLogin = EntityUtil.getFirst(
                                 delegator.findList("UserLogin",
                                         EntityCondition.makeCondition("userLoginId", 
                                                 EntityOperator.EQUALS, 
-                            authTokenEntity.get("userLoginId")), 
+                                                userLoginId.toLowerCase()), 
                                                 null, null, null, true));
                         if (userLogin != null) {
                             context.put("userLogin", userLogin);
@@ -207,6 +208,7 @@ public class DirectControlServlet extends HttpServlet {
                         }
                     }
                 }
+            }
 
             Debug.logInfo("USERLOGIN " + context.get("userLogin") + " AUTHTOKEN " + authToken, module);