config = $config; $this->session = $session; } /** * Get the timezone of the current user, based on his session information and config data * * @param bool|int $timestamp * @return \DateTimeZone */ public function getTimeZone($timestamp = false) { $timeZone = $this->config->getUserValue($this->session->get('user_id'), 'core', 'timezone', null); if ($timeZone === null) { if ($this->session->exists('timezone')) { return $this->guessTimeZoneFromOffset($this->session->get('timezone'), $timestamp); } $timeZone = $this->getDefaultTimeZone(); } try { return new \DateTimeZone($timeZone); } catch (\Exception $e) { \OC::$server->get(LoggerInterface::class)->debug('Failed to created DateTimeZone "' . $timeZone . '"', ['app' => 'datetimezone']); return new \DateTimeZone($this->getDefaultTimeZone()); } } /** * Guess the DateTimeZone for a given offset * * We first try to find a Etc/GMT* timezone, if that does not exist, * we try to find it manually, before falling back to UTC. * * @param mixed $offset * @param bool|int $timestamp * @return \DateTimeZone */ protected function guessTimeZoneFromOffset($offset, $timestamp) { try { // Note: the timeZone name is the inverse to the offset, // so a positive offset means negative timeZone // and the other way around. if ($offset > 0) { $timeZone = 'Etc/GMT-' . $offset; } else { $timeZone = 'Etc/GMT+' . abs($offset); } return new \DateTimeZone($timeZone); } catch (\Exception $e) { // If the offset has no Etc/GMT* timezone, // we try to guess one timezone that has the same offset foreach (\DateTimeZone::listIdentifiers() as $timeZone) { $dtz = new \DateTimeZone($timeZone); $dateTime = new \DateTime(); if ($timestamp !== false) { $dateTime->setTimestamp($timestamp); } $dtOffset = $dtz->getOffset($dateTime); if ($dtOffset == 3600 * $offset) { return $dtz; } } // No timezone found, fallback to UTC \OC::$server->get(LoggerInterface::class)->debug('Failed to find DateTimeZone for offset "' . $offset . '"', ['app' => 'datetimezone']); return new \DateTimeZone($this->getDefaultTimeZone()); } } /** * Get the default timezone of the server * * Falls back to UTC if it is not yet set. * * @return string */ protected function getDefaultTimeZone() { $serverTimeZone = date_default_timezone_get(); return $serverTimeZone ?: 'UTC'; } } s'>Temp_SurrogatePairs Apache XML Graphics FOP: https://github.com/apache/xmlgraphics-fopwww-data

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