SyslogLoggingHandler.php

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<?php
 
namespace SimpleSAML\Logger;
 
use SimpleSAML\Utils\System;
 
class SyslogLoggingHandler implements LoggingHandlerInterface
{
    private $isWindows = false;
    private $format;
 
 
    public function __construct(\SimpleSAML_Configuration $config)
    {
        $facility = $config->getInteger('logging.facility', defined('LOG_LOCAL5') ? constant('LOG_LOCAL5') : LOG_USER);
 
        $processname = $config->getString('logging.processname', 'SimpleSAMLphp');
 
        // Setting facility to LOG_USER (only valid in Windows), enable log level rewrite on windows systems
        if (System::getOS() === System::WINDOWS) {
            $this->isWindows = true;
            $facility = LOG_USER;
        }
 
        openlog($processname, LOG_PID, $facility);
    }
 
 
    public function setLogFormat($format)
    {
        $this->format = $format;
    }
 
 
    public function log($level, $string)
    {
        // changing log level to supported levels if OS is Windows
        if ($this->isWindows) {
            if ($level <= 4) {
                $level = LOG_ERR;
            } else {
                $level = LOG_INFO;
            }
        }
 
        $formats = array('%process', '%level');
        $replacements = array('', $level);
        $string = str_replace($formats, $replacements, $string);
        $string = preg_replace('/%\w+(\{[^\}]+\})?/', '', $string);
        $string = trim($string);
 
        syslog($level, $string);
    }
}