/**
* @param Piwik_Event_Notification $notification notification object
*/
function checkHeader($notification)
{
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') {
$ua = Piwik_Tracker_Visit::getUserAgent($_REQUEST);
if (strpos($ua, 'MSIE 10') !== false) {
printDebug("INTERNET EXPLORER 10 Enables DNT by default, so Piwik ignores DNT for all IE10 browsers...");
return;
}
$exclude =& $notification->getNotificationObject();
$exclude = true;
printDebug("DoNotTrack found.");
$trackingCookie = Piwik_Tracker_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');
}
}
/**
* Returns the Tracker_Visit object.
* This method can be overwritten to use a different Tracker_Visit object
*
* @throws Exception
* @return Piwik_Tracker_Visit
*/
protected function getNewVisitObject()
{
$visit = null;
Piwik_PostEvent('Tracker.getNewVisitObject', $visit);
if (is_null($visit)) {
$visit = new Piwik_Tracker_Visit(self::$forcedIpString, self::$forcedDateTime);
$visit->setForcedVisitorId(self::$forcedVisitorId);
} elseif (!$visit instanceof Piwik_Tracker_Visit_Interface) {
throw new Exception("The Visit object set in the plugin must implement Piwik_Tracker_Visit_Interface");
}
return $visit;
}
protected function updateCookie()
{
@parent::updateCookie();
}
/**
* Records in the DB the association between the visit and this action.
*
* @param int idVisit is the ID of the current visit in the DB table log_visit
* @param int idRefererActionUrl is the ID of the last action done by the current visit.
* @param int timeSpentRefererAction is the number of seconds since the last action was done.
* It is directly related to idRefererActionUrl.
*/
public function record( $idVisit, $visitorIdCookie, $idRefererActionUrl, $idRefererActionName, $timeSpentRefererAction)
{
$this->loadIdActionNameAndUrl();
$idActionName = in_array($this->getActionType(), array(Piwik_Tracker_Action::TYPE_ACTION_NAME, Piwik_Tracker_Action::TYPE_ACTION_URL))
? (int)$this->getIdActionName()
: null;
$insert = array(
'idvisit' => $idVisit,
'idsite' => $this->idSite,
'idvisitor' => $visitorIdCookie,
'server_time' => Piwik_Tracker::getDatetimeFromTimestamp($this->timestamp),
'idaction_url' => (int)$this->getIdActionUrl(),
'idaction_name' => $idActionName,
'idaction_url_ref' => $idRefererActionUrl,
'idaction_name_ref' => $idRefererActionName,
'time_spent_ref_action' => $timeSpentRefererAction
);
$customVariables = Piwik_Tracker_Visit::getCustomVariables($scope = 'page', $this->request);
$insert = array_merge($insert, $customVariables);
// Mysqli apparently does not like NULL inserts?
$insertWithoutNulls = array();
foreach($insert as $column => $value)
{
if(!is_null($value))
{
$insertWithoutNulls[$column] = $value;
}
}
$fields = implode(", ", array_keys($insertWithoutNulls));
$bind = array_values($insertWithoutNulls);
$values = Piwik_Common::getSqlStringFieldsArray($insertWithoutNulls);
$sql = "INSERT INTO ".Piwik_Common::prefixTable('log_link_visit_action'). " ($fields) VALUES ($values)";
Piwik_Tracker::getDatabase()->query( $sql, $bind );
$this->idLinkVisitAction = Piwik_Tracker::getDatabase()->lastInsertId();
$info = array(
'idSite' => $this->idSite,
'idLinkVisitAction' => $this->idLinkVisitAction,
'idVisit' => $idVisit,
'idRefererActionUrl' => $idRefererActionUrl,
'idRefererActionName' => $idRefererActionName,
'timeSpentRefererAction' => $timeSpentRefererAction,
);
printDebug($insertWithoutNulls);
/*
* send the Action object ($this) and the list of ids ($info) as arguments to the event
*/
Piwik_PostEvent('Tracker.Action.record', $this, $info);
}
/**
* We have previously tried to detect the campaign variables in the URL
* so at this stage, if the referer host is the current host,
* or if the referer host is any of the registered URL for this website,
* it is considered a direct entry
* @return bool
*/
protected function detectRefererDirectEntry()
{
if (!empty($this->refererHost)) {
// is the referer host the current host?
if (isset($this->currentUrlParse['host'])) {
$currentHost = mb_strtolower($this->currentUrlParse['host'], 'UTF-8');
if ($currentHost == mb_strtolower($this->refererHost, 'UTF-8')) {
$this->typeRefererAnalyzed = Piwik_Common::REFERER_TYPE_DIRECT_ENTRY;
return true;
}
}
if (Piwik_Tracker_Visit::isHostKnownAliasHost($this->refererHost, $this->idsite)) {
$this->typeRefererAnalyzed = Piwik_Common::REFERER_TYPE_DIRECT_ENTRY;
return true;
}
}
return false;
}
public function getCustomVariables()
{
$customVariables = Piwik_Tracker_Visit::getCustomVariables($scope = 'page', $this->request);
// Enrich Site Search actions with Custom Variables, overwritting existing values
if (!empty($this->searchCategory)) {
if (!empty($customVariables['custom_var_k' . self::CVAR_INDEX_SEARCH_CATEGORY])) {
printDebug("WARNING: Overwriting existing Custom Variable in slot " . self::CVAR_INDEX_SEARCH_CATEGORY . " for this page view");
}
$customVariables['custom_var_k' . self::CVAR_INDEX_SEARCH_CATEGORY] = self::CVAR_KEY_SEARCH_CATEGORY;
$customVariables['custom_var_v' . self::CVAR_INDEX_SEARCH_CATEGORY] = Piwik_Tracker_Visit::truncateCustomVariable($this->searchCategory);
}
if ($this->searchCount !== false) {
if (!empty($customVariables['custom_var_k' . self::CVAR_INDEX_SEARCH_COUNT])) {
printDebug("WARNING: Overwriting existing Custom Variable in slot " . self::CVAR_INDEX_SEARCH_COUNT . " for this page view");
}
$customVariables['custom_var_k' . self::CVAR_INDEX_SEARCH_COUNT] = self::CVAR_KEY_SEARCH_COUNT;
$customVariables['custom_var_v' . self::CVAR_INDEX_SEARCH_COUNT] = (int) $this->searchCount;
}
if (!empty($customVariables)) {
printDebug("Page level Custom Variables: ");
printDebug($customVariables);
}
return $customVariables;
}