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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
* @version $Id$
*
* @category Piwik_Plugins
* @package Piwik_DoNotTrack
*/
/**
* Ignore visits where user agent's request contains either:
* - X-Do-Not-Track header (used by AdBlockPlus and NoScript)
* - DNT header (used by Mozilla)
*
* @package Piwik_DoNotTrack
*/
class Piwik_DoNotTrack extends Piwik_Plugin
{
/**
* Return information about this plugin.
*
* @see Piwik_Plugin
*
* @return array
*/
public function getInformation()
{
return array(
'description' => 'Ignore visits with X-Do-Not-Track or DNT header',
'author' => 'Piwik',
'author_homepage' => 'http://piwik.org/',
'version' => Piwik_Version::VERSION,
'translationAvailable' => false,
'TrackerPlugin' => true,
);
}
public function getListHooksRegistered()
{
return array(
'Tracker.Visit.isExcluded' => 'checkHeader',
);
}
function checkHeader($notification)
{
$setting = @Piwik_Config::getInstance()->Tracker['do_not_track'];
if($setting === '1' &&
((isset($_SERVER['HTTP_X_DO_NOT_TRACK']) && $_SERVER['HTTP_X_DO_NOT_TRACK'] === '1') ||
(isset($_SERVER['HTTP_DNT']) && substr($_SERVER['HTTP_DNT'], 0, 1) === '1')))
{
$exclude =& $notification->getNotificationObject();
$exclude = true;
$trackingCookie = Piwik_Tracker_IgnoreCookie::getTrackingCookie();
$trackingCookie->delete();
}
}
}
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