65 lines
1.9 KiB
PHP
65 lines
1.9 KiB
PHP
<?php
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/**
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* Piwik - free/libre analytics platform
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*
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* @link http://piwik.org
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* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
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*
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*/
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namespace Piwik\Plugins\PrivacyManager\Tracker;
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use Piwik\Common;
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use Piwik\Plugins\PrivacyManager\PrivacyManager;
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use Piwik\SettingsPiwik;
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use Piwik\Tracker\Request;
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use Piwik\Tracker;
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use Piwik\Plugins\PrivacyManager\Config as PrivacyManagerConfig;
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class RequestProcessor extends Tracker\RequestProcessor
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{
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public function manipulateRequest(Request $request)
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{
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$privacyConfig = new PrivacyManagerConfig();
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if ($privacyConfig->anonymizeUserId) {
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$userId = $request->getParam('uid');
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if ($this->isValueSet($userId)) {
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$userIdAnonymized = self::anonymizeUserId($userId);
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$request->setParam('uid', $userIdAnonymized);
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}
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}
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if ($privacyConfig->anonymizeOrderId) {
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$orderId = $request->getParam('ec_id');
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if ($this->isValueSet($orderId)) {
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$orderIdAnonymized = sha1(Common::getRandomInt() . $orderId . time() . SettingsPiwik::getSalt());
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$request->setParam('ec_id', $orderIdAnonymized);
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}
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}
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}
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/**
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* pseudo anonymization as we need to make sure to always generate the same UserId for the same original UserID
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*
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* @param $userId
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* @return string
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*/
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public static function anonymizeUserId($userId)
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{
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$trackerCache = Tracker\Cache::getCacheGeneral();
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$salt = '';
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if (!empty($trackerCache[PrivacyManager::OPTION_USERID_SALT])) {
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$salt = $trackerCache[PrivacyManager::OPTION_USERID_SALT];
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}
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if(empty($salt)) {
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return $userId;
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}
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return sha1($userId . $salt);
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}
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private function isValueSet($value)
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{
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return $value !== '' && $value !== false && $value !== null;
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}
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}
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