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<?php
/**
* Piwik - free/libre analytics platform
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
namespace Piwik\Plugins\CoreHome\Tracker;
use Piwik\Common;
use Piwik\Date;
use Piwik\EventDispatcher;
use Piwik\Exception\UnexpectedWebsiteFoundException;
use Piwik\Tracker\Cache;
use Piwik\Tracker\Request;
use Piwik\Tracker\RequestProcessor;
use Piwik\Tracker\Settings;
use Piwik\Tracker\Visit\VisitProperties;
use Piwik\Tracker\VisitExcluded;
use Piwik\Tracker\VisitorRecognizer;
/**
* Encapsulates core tracking logic related to visits.
*/
class VisitRequestProcessor extends RequestProcessor
{
/**
* @var EventDispatcher
*/
private $eventDispatcher;
/**
* @var VisitorRecognizer
*/
private $visitorRecognizer;
/**
* @var Settings
*/
private $userSettings;
public function __construct(EventDispatcher $eventDispatcher, VisitorRecognizer $visitorRecognizer, Settings $userSettings)
{
$this->eventDispatcher = $eventDispatcher;
$this->visitorRecognizer = $visitorRecognizer;
$this->userSettings = $userSettings;
}
public function processRequestParams(VisitProperties $visitProperties, Request $request)
{
// the IP is needed by isExcluded() and GoalManager->recordGoals()
$visitProperties->visitorInfo['location_ip'] = $request->getIp();
// TODO: move VisitExcluded logic to here (or break into other request processors)
$excluded = new VisitExcluded($request, $visitProperties->visitorInfo['location_ip']);
if ($excluded->isExcluded()) {
return true;
}
// visitor recognition
$visitorId = $this->userSettings->getConfigId($request, $visitProperties->visitorInfo['location_ip']);
$visitProperties->setRequestMetadata('CoreHome', 'visitorId', $visitorId);
$isKnown = $this->visitorRecognizer->findKnownVisitor($visitorId, $visitProperties, $request);
$visitProperties->setRequestMetadata('CoreHome', 'isVisitorKnown', $isKnown);
$isNewVisit = $this->isVisitNew($visitProperties, $request);
$visitProperties->setRequestMetadata('CoreHome', 'isNewVisit', $isNewVisit);
return false;
}
public function manipulateVisitProperties(VisitProperties $visitProperties, Request $request)
{
/**
* Triggered after visits are tested for exclusion so plugins can modify the IP address
* persisted with a visit.
*
* This event is primarily used by the **PrivacyManager** plugin to anonymize IP addresses.
*
* @param string &$ip The visitor's IP address.
*/
$this->eventDispatcher->postEvent('Tracker.setVisitorIp', array(&$visitProperties->visitorInfo['location_ip']));
}
/**
* Determines if the tracker if the current action should be treated as the start of a new visit or
* an action in an existing visit.
*
* @param VisitProperties $visitProperties The current visit/visitor information.
* @param Request $request
* @return bool
*/
private function isVisitNew(VisitProperties $visitProperties, Request $request)
{
$isKnown = $visitProperties->getRequestMetadata('CoreHome', 'isVisitorKnown');
if (!$isKnown) {
return true;
}
$isLastActionInTheSameVisit = $this->isLastActionInTheSameVisit($visitProperties, $request);
if (!$isLastActionInTheSameVisit) {
Common::printDebug("Visitor detected, but last action was more than 30 minutes ago...");
return true;
}
$wasLastActionYesterday = $this->wasLastActionNotToday($visitProperties, $request);
if ($wasLastActionYesterday) {
Common::printDebug("Visitor detected, but last action was yesterday...");
return true;
}
return false;
}
/**
* Returns true if the last action was done during the last 30 minutes
* @return bool
*/
protected function isLastActionInTheSameVisit(VisitProperties $visitProperties, Request $request)
{
$lastActionTime = $visitProperties->visitorInfo['visit_last_action_time'];
return isset($lastActionTime)
&& false !== $lastActionTime
&& ($lastActionTime > ($request->getCurrentTimestamp() - \Piwik\Config::getInstance()->Tracker['visit_standard_length'])); // TODO: move to DI
}
/**
* Returns true if the last action was not today.
* @param VisitProperties $visitor
* @return bool
*/
private function wasLastActionNotToday(VisitProperties $visitProperties, Request $request)
{
$lastActionTime = $visitProperties->visitorInfo['visit_last_action_time'];
if (empty($lastActionTime)) {
return false;
}
$idSite = $request->getIdSite();
$timezone = $this->getTimezoneForSite($idSite);
if (empty($timezone)) {
throw new UnexpectedWebsiteFoundException('An unexpected website was found, check idSite in the request');
}
$date = Date::factory((int)$lastActionTime, $timezone);
$now = $request->getCurrentTimestamp();
$now = Date::factory((int)$now, $timezone);
return $date->toString() !== $now->toString();
}
private function getTimezoneForSite($idSite) // TODO: duplicate function in Visit
{
try {
$site = Cache::getCacheWebsiteAttributes($idSite);
} catch (UnexpectedWebsiteFoundException $e) {
return null;
}
if (!empty($site['timezone'])) {
return $site['timezone'];
}
return null;
}
}
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