Ubuntu

isSameFingerprintsAcrossWebsites = $isSameFingerprintsAcrossWebsites; } public function getConfigId(Request $request, $ipAddress) { list($plugin_Flash, $plugin_Java, $plugin_Quicktime, $plugin_RealPlayer, $plugin_PDF, $plugin_WindowsMedia, $plugin_Silverlight, $plugin_Cookie) = $request->getPlugins(); $userAgent = $request->getUserAgent(); $deviceDetector = StaticContainer::get(DeviceDetectorFactory::class)->makeInstance($userAgent, $request->getClientHints()); $aBrowserInfo = $deviceDetector->getClient(); if (empty($aBrowserInfo['type']) || 'browser' !== $aBrowserInfo['type']) { // for now only track browsers unset($aBrowserInfo); } $browserName = !empty($aBrowserInfo['short_name']) ? $aBrowserInfo['short_name'] : 'UNK'; $browserVersion = !empty($aBrowserInfo['version']) ? $aBrowserInfo['version'] : ''; if ($deviceDetector->isBot()) { $os = self::OS_BOT; } else { $os = $deviceDetector->getOS(); $os = empty($os['short_name']) ? 'UNK' : $os['short_name']; } $client = $deviceDetector->getClient(); if (!empty($client['name']) && $client['name'] === 'Internet Explorer') { // we assume cookies are disabled... when in tracker cookies are disabled, this ensures when upgrading to this version // that no fingerprint changes in the 30min window during the upgrade... // We don't include it anymore as it otherwise may cause new visits to be created when switching between // cookies disabled and enabled in IE11 or older. Before Matomo 3.13.7 when cookies were disabled, then // this value was set to 0. For people with cookies enabled the fingerprint is not as relevant as the visitorId // is used to identify a visitor $plugin_Cookie = '0'; } $browserLang = substr($request->getBrowserLanguage(), 0, 20); // limit the length of this string to match db $trackerConfig = Config::getInstance()->Tracker; $fingerprintSalt = ''; // fingerprint salt won't work when across multiple sites since all sites could have different timezones // also cant add fingerprint salt for a specific day when we dont create new visit after midnight if (!$this->isSameFingerprintsAcrossWebsites && !empty($trackerConfig['create_new_visit_after_midnight'])) { $cache = Cache::getCacheWebsiteAttributes($request->getIdSite()); $date = Date::factory((int) $request->getCurrentTimestamp()); $fingerprintSaltKey = new FingerprintSalt(); $dateString = $fingerprintSaltKey->getDateString($date, $cache['timezone']); if (!empty($cache[FingerprintSalt::OPTION_PREFIX . $dateString])) { $fingerprintSalt = $cache[FingerprintSalt::OPTION_PREFIX . $dateString]; } else { // we query the DB directly for requests older than 2-3 days... $fingerprintSalt = $fingerprintSaltKey->getSalt($dateString, $request->getIdSite()); } $fingerprintSalt .= $dateString; if (defined('PIWIK_TEST_MODE') && PIWIK_TEST_MODE) { $fingerprintSalt = ''; // use fixed value so they don't change randomly in tests } } return $this->getConfigHash( $request, $os, $browserName, $browserVersion, $plugin_Flash, $plugin_Java, $plugin_Quicktime, $plugin_RealPlayer, $plugin_PDF, $plugin_WindowsMedia, $plugin_Silverlight, $plugin_Cookie, $ipAddress, $browserLang, $fingerprintSalt); } /** * Returns a 64-bit hash that attempts to identify a user. * Maintaining some privacy by default, eg. prevents the merging of several Piwik serve together for matching across instances.. * * @param $os * @param $browserName * @param $browserVersion * @param $plugin_Flash * @param $plugin_Java * @param $plugin_Quicktime * @param $plugin_RealPlayer * @param $plugin_PDF * @param $plugin_WindowsMedia * @param $plugin_Silverlight * @param $plugin_Cookie * @param $ip * @param $browserLang * @param $fingerprintHash * @return string */ protected function getConfigHash(Request $request, $os, $browserName, $browserVersion, $plugin_Flash, $plugin_Java, $plugin_Quicktime, $plugin_RealPlayer, $plugin_PDF, $plugin_WindowsMedia, $plugin_Silverlight, $plugin_Cookie, $ip, $browserLang, $fingerprintHash) { // prevent the config hash from being the same, across different Piwik instances // (limits ability of different Piwik instances to cross-match users) $salt = SettingsPiwik::getSalt(); $configString = $os . $browserName . $browserVersion . $plugin_Flash . $plugin_Java . '0' . $plugin_Quicktime . $plugin_RealPlayer . $plugin_PDF . $plugin_WindowsMedia . '0' . $plugin_Silverlight . $plugin_Cookie . $ip . $browserLang . $salt . $fingerprintHash; if (!$this->isSameFingerprintsAcrossWebsites) { $configString .= $request->getIdSite(); } $hash = md5($configString, $raw_output = true); return substr($hash, 0, Tracker::LENGTH_BINARY_ID); } }