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<?php
/**
* A class for logging
*
* @author Lasse Birnbaum Jensen, SDU.
* @author Andreas Åkre Solberg, UNINETT AS. <andreas.solberg@uninett.no>
* @package simpleSAMLphp
* @version $ID$
*/
class SimpleSAML_Logger_LoggingHandlerSyslog implements SimpleSAML_Logger_LoggingHandler
{
private $isWindows = FALSE;
private $format;
/**
* Build a new logging handler based on syslog.
*/
public function __construct()
{
$config = SimpleSAML_Configuration::getInstance();
assert($config instanceof SimpleSAML_Configuration);
$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 (SimpleSAML_Utilities::isWindowsOS()) {
$this->isWindows = TRUE;
$facility = LOG_USER;
}
openlog($processname, LOG_PID, $facility);
}
/**
* Set the format desired for the logs.
*
* @param string $format The format used for logs.
*/
public function setLogFormat($format)
{
$this->format = $format;
}
/**
* Log a message to syslog.
*
* @param int $level The log level.
* @param string $string The formatted message to log.
*/
public function log($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);
}
}
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