runff 1.0 commit

lib/SimpleSAML/Logger/SyslogLoggingHandler.php

@@ -0,0 +1,75 @@
+<?php
+
+namespace SimpleSAML\Logger;
+
+use SimpleSAML\Utils\System;
+
+/**
+ * A logger that sends messages to syslog.
+ *
+ * @author Lasse Birnbaum Jensen, SDU.
+ * @author Andreas Åkre Solberg, UNINETT AS. <andreas.solberg@uninett.no>
+ * @package SimpleSAMLphp
+ */
+class SyslogLoggingHandler implements LoggingHandlerInterface
+{
+    private $isWindows = false;
+    private $format;
+
+
+    /**
+     * Build a new logging handler based on syslog.
+     */
+    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);
+    }
+
+
+    /**
+     * 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);
+    }
+}