/** * Checks for DoNotTrack headers and if found, sets `$exclude` to `true`. */ public function checkHeaderInTracker(&$exclude) { if ($exclude) { Common::printDebug("Visit is already excluded, no need to check DoNotTrack support."); return; } if (!$this->isActive()) { Common::printDebug("DoNotTrack support is not enabled, skip check"); return; } if (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') { $request = new Request($_REQUEST); $ua = $request->getUserAgent(); if (strpos($ua, 'MSIE') !== false || strpos($ua, 'Trident') !== false) { Common::printDebug("INTERNET EXPLORER enable DoNotTrack by default; so Piwik ignores DNT IE browsers..."); return; } Common::printDebug("DoNotTrack header found!"); $exclude = true; $trackingCookie = IgnoreCookie::getTrackingCookie(); $trackingCookie->delete(); // this is an optional supplement to the site's tracking status resource at: // /.well-known/dnt // per Tracking Preference Expression (draft) header('Tk: 1'); } else { Common::printDebug("DoNotTrack header not found"); } }
/** * Checks for DoNotTrack headers and if found, sets `$exclude` to `true`. */ public function checkHeaderInTracker(&$exclude) { if ($exclude) { Common::printDebug("Visit is already excluded, no need to check DoNotTrack support."); return; } $exclude = $this->isDoNotTrackFound(); if ($exclude) { $trackingCookie = IgnoreCookie::getTrackingCookie(); $trackingCookie->delete(); // this is an optional supplement to the site's tracking status resource at: // /.well-known/dnt // per Tracking Preference Expression (draft) header('Tk: 1'); } }
/** * Checks for DoNotTrack headers and if found, sets `$exclude` to `true`. */ public function checkHeaderInTracker(&$exclude) { if (!$this->isActiveInTracker() || $exclude) { return; } if (isset($_SERVER['HTTP_X_DO_NOT_TRACK']) && $_SERVER['HTTP_X_DO_NOT_TRACK'] === '1' || isset($_SERVER['HTTP_DNT']) && substr($_SERVER['HTTP_DNT'], 0, 1) === '1') { $request = new Request($_REQUEST); $ua = $request->getUserAgent(); if (strpos($ua, 'MSIE 10') !== false || strpos($ua, 'Trident/7') !== false) { Common::printDebug("INTERNET EXPLORER 10 and 11 enable DoNotTrack by default; so Piwik ignores DNT for all IE10 + IE11 browsers..."); return; } $exclude = true; Common::printDebug("DoNotTrack found."); $trackingCookie = IgnoreCookie::getTrackingCookie(); $trackingCookie->delete(); // this is an optional supplement to the site's tracking status resource at: // /.well-known/dnt // per Tracking Preference Expression (draft) header('Tk: 1'); } }