while logging in with id/mid pick only users who have whitelisted ip

app/models/api_user.rb

@@ -51,6 +51,21 @@ class ApiUser < User
 
       find_by(identity_code: identity_code)
     end
+    
+    def find_by_idc_data_and_allowed(idc_data,ip)
+      return false if idc_data.blank?
+      identity_code = idc_data.scan(/serialNumber=(\d+)/).flatten.first
+
+      return false if ip.blank?
+      possible_users = where(identity_code: identity_code)
+        for i in 0..possible_users.count
+                if possible_users[i].registrar.white_ips.registrar_area.include_ip?(ip)
+                break
+                end
+        end
+      possible_users[i]
+    end
+
   end
 
   def registrar_typeahead