freenetis-github/system/core/Log.php @ master
| 8baed187 | Michal Kliment | <?php defined('SYSPATH') or die('No direct script access.');
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/**
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* Message file logging class.
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*
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* $Id: Log.php 1930 2008-02-05 22:35:57Z armen $
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*
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* @package Core
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* @author Kohana Team
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* @copyright (c) 2007 Kohana Team
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* @license http://kohanaphp.com/license.html
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*/
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final class Log {
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private static $log_directory;
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private static $types = array('error' => 1, 'debug' => 2, 'info' => 3);
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private static $messages = array();
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/**
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* Set the the log directory. The log directory is determined by Kohana::setup.
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*
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* @param string full log directory path
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* @return void
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*/
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public static function directory($directory)
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{
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if (self::$log_directory === NULL)
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{
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// Set the log directory if it has not already been set
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self::$log_directory = rtrim($directory, '/').'/';
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}
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}
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/**
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* Add a log message.
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*
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* @param string info, debug, or error
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* @param string message to be logged
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* @return void
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*/
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public static function add($type, $message)
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{
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if (is_array($message))
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{
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$message = implode(' ', $message);
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}
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if (trim($message) == '' ||
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!isset(self::$types[$type]) ||
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self::$types[$type] > Config::get('log_threshold'))
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{
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return;
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}
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self::$messages[strtolower($type)][] = array
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(
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date('Y-m-d G:i:s'),
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strip_tags($message),
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url::current(TRUE),
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);
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}
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/**
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* Add a log exception message
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*
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* @param Exception $e
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*/
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public static function add_exception(Exception $e)
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{
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self::add('error', Kohana::lang(
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'core.transaction_exception',
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$e->getMessage(), $e->getFile(),
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$e->getLine(), $e->getTraceAsString()
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));
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}
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/**
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* Write the current log to a file.
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*
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* @return void
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*/
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public static function write()
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{
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// Set the log threshold
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$threshold = Config::get('log_threshold');
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// Don't log if there is nothing to log to
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if ($threshold < 1 OR count(self::$messages) === 0) return;
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// Set the log filename
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$filename = self::$log_directory.date('Y-m-d').'.log'.EXT;
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// Compile the messages
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$messages = '';
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foreach(self::$messages as $type => $data)
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{
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foreach($data as $date => $text)
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{
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list($date, $message, $url) = $text;
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$messages .= $date . ' -- ' . $type . ': ' . $message
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. ' URL: ' . $url . "\r\n";
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}
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}
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// No point in logging nothing
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if ($messages == '')
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return;
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// Create the log file if it doesn't exist yet
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if ( ! file_exists($filename))
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{
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touch($filename);
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chmod($filename, 0644);
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// Add our PHP header to the log file to prevent URL access
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$messages = "<?php defined('SYSPATH') or die('No direct script access.'); ?>\r\n\r\n".$messages;
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}
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// add separators between calls
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$messages = $messages . "\n";
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// Append the messages to the log
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file_put_contents($filename, $messages, FILE_APPEND) or trigger_error
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(
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'The log file could not be written to. Please correct the permissions and refresh the page.',
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E_USER_ERROR
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);
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}
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} // End Log
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