/** * Flush any pending log messages to the logging handler. * * This method is intended to be registered as a shutdown handler, so that any pending messages that weren't sent * to the logging handler at that point, can still make it. It is therefore not intended to be called manually. * */ public static function flush() { $s = \SimpleSAML_Session::getSessionFromRequest(); self::$trackid = $s->getTrackID(); self::$shuttingDown = true; foreach (self::$earlyLog as $msg) { self::log($msg['level'], $msg['string'], $msg['statsLog']); } }
private static function log($level, $string, $statsLog = false) { if (self::$loggingHandler === false) { // some error occurred while initializing logging self::defer($level, $string, $statsLog); return; } elseif (php_sapi_name() === 'cli' || defined('STDIN')) { // we are being executed from the CLI, nowhere to log if (is_null(self::$loggingHandler)) { self::createLoggingHandler('SimpleSAML\\Logger\\StandardErrorLoggingHandler'); } $_SERVER['REMOTE_ADDR'] = "CLI"; if (self::$trackid === self::NO_TRACKID) { self::$trackid = 'CL' . bin2hex(openssl_random_pseudo_bytes(4)); } } elseif (self::$loggingHandler === null) { // Initialize logging self::createLoggingHandler(); if (!empty(self::$earlyLog)) { // output messages which were logged before we properly initialized logging foreach (self::$earlyLog as $msg) { self::log($msg['level'], $msg['string'], $msg['statsLog']); } } } if (self::$captureLog) { $ts = microtime(true); $msecs = (int) (($ts - (int) $ts) * 1000); $ts = gmdate('H:i:s', $ts) . sprintf('.%03d', $msecs) . 'Z'; self::$capturedLog[] = $ts . ' ' . $string; } if (self::$logLevel >= $level || $statsLog) { if (is_array($string)) { $string = implode(",", $string); } $formats = array('%trackid', '%msg', '%srcip', '%stat'); $replacements = array(self::$trackid, $string, $_SERVER['REMOTE_ADDR']); $stat = ''; if ($statsLog) { $stat = 'STAT '; } array_push($replacements, $stat); if (self::$trackid === self::NO_TRACKID && !self::$shuttingDown) { // we have a log without track ID and we are not still shutting down, so defer logging self::defer($level, $string, $statsLog); return; } elseif (self::$trackid === self::NO_TRACKID) { // shutting down without a track ID, prettify it array_shift($replacements); array_unshift($replacements, 'N/A'); } // we either have a track ID or we are shutting down, so just log the message $string = str_replace($formats, $replacements, self::$format); self::$loggingHandler->log($level, $string); } }