add ip whitelisting

lib/travis/api/attack.rb

@@ -31,6 +31,12 @@ class Rack::Attack
     "/auth/post_message/iframe"
   ]
 
+  ####
+  # Whitelisted IP addresses
+  whitelist('whitelist client requesting from redis') do |request|
+    Travis.redis.sismember(:api_whitelisted_ips, request.ip)
+  end
+
   ####
   # Ban based on: IP address
   # Ban time:     indefinite