Add optional location ips whitelist

Author: lbartoli79

www/work/getwork.php

@@ -285,6 +285,16 @@ function GetJob()
     $workDir = "./work/jobs/$location";
     $locInfo = GetLocationInfo($location);
     $locKey = GetSetting('location_key', '');
+    
+    if (array_key_exists('ips', $locInfo)) {
+        $tester_ip = $_SERVER['REMOTE_ADDR'];
+        $ips = explode(',', $locInfo['ips']);
+        if (!in_array($tester_ip, $ips)) {
+            header("HTTP/1.1 403 Unauthorized");
+            exit();
+        }
+    }
+
     if (isset($locInfo) && is_array($locInfo) && isset($locInfo['key'])) {
         $locKey = $locInfo['key'];
     }