function _simpleads_is_valid_referer in SimpleAds 7.2

Check HTTP referer and make sure this is a local action

2 calls to _simpleads_is_valid_referer()

simpleads_node_stats_count_clicks in ./simpleads.pages.inc

Count clicks.

simpleads_node_stats_count_impressions in ./simpleads.pages.inc

Count impressions.

File

includes/helper.inc, line 316

Helper functions.

Code

function _simpleads_is_valid_referer() {
  $server = !empty($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_ENV['HOSTNAME'];
  if (isset($_SERVER['HTTP_REFERER']) && strpos($_SERVER['HTTP_REFERER'], $server) !== FALSE) {
    return TRUE;
  }
  else {
    return FALSE;
  }
}