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<?php
/*************************
Coppermine Photo Gallery
************************
Copyright (c) 2003-2008 Dev Team
v1.1 originally written by Gregory DEMAR
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 3
as published by the Free Software Foundation.
********************************************
Coppermine version: 1.4.18
$HeadURL: https://coppermine.svn.sourceforge.net/svnroot/coppermine/trunk/cpg1.4.x/include/logger.inc.php $
$Revision: 4380 $
$Author: gaugau $
$Date: 2008-04-12 12:00:19 +0200 (Sa, 12 Apr 2008) $
**********************************************/
if (!defined('IN_COPPERMINE')) { die('Not in Coppermine...');}
// Initiate defines
define('CPG_SECURITY_LOG','security');
define('CPG_GLOBAL_LOG','global');
define('CPG_DATABASE_LOG','database');
define('CPG_ACCESS_LOG','access');
define('CPG_ERROR_LOG','error');
define('CPG_LOG_ALL',2);
define('CPG_LOG_NORMAL',1);
define('CPG_NO_LOGGING',0);
define('CPG_WEEK',604800);
define('CPG_DAY',86400);
define('CPG_HOUR',3600);
// Writes log text to the log file
function log_write( $text, $log = null ) {
if (is_null($log)) {
$log = CPG_GLOBAL_LOG;
}
$log = 'logs/'.$log.'.log.php';
if (!file_exists($log)) {
$log_header = implode('',file('logs/log_header.inc.php'));
} else {
$log_header = '';
}
$fp = fopen($log,'a');
fwrite($fp,$log_header);
fwrite($fp,$text."\n");
fclose($fp);
}
// Reads log text from a log file
function log_read( $log = null ) {
if (is_null($log)) {
$log = CPG_GLOBAL_LOG;
}
$log = 'logs/'.$log.'.log.php';
@include($log);
}
// Deletes a log file
function log_delete( $log = null ) {
if (is_null($log)) {
$log_list = getloglist('logs/');
foreach ($log_list as $log) {
unlink('logs/'.$log['filename']);
}
} else {
unlink('logs/'.$log.'.log.php');
}
header('Location: viewlog.php');
}
// Returns all the log files in the log directory
function& getloglist($folder)
{
global $CONFIG;
$file_array = array();
$dir = opendir($folder);
while (($file = readdir($dir))!==false) {
if (is_file($folder . $file) && $file != 'log_header.inc.php') {
$file_array[] = array('filename'=>$file,'logname'=>str_replace('.log.php','',$file),'filesize'=>filesize($folder . $file) >> 10);
}
}
closedir($dir);
natcasesort($file_array);
return $file_array;
}
// The function spring_cleaning is a garbage collection routine used to purge a directory of old files.
function& spring_cleaning($directory_path, $cache_time = CPG_HOUR, $exclusion_list = array('index.html')) {
global $CONFIG;
//Storage the deleted files
$deleted_list = array();
//First we get the transitory directory handle.
$directory_handle = opendir($directory_path);
// Exit if the directory cannot be opened.
if(!$directory_handle) {
// Return.
return;
}
// Now let's read through the directory contents.
while (!(($file = readdir($directory_handle)) === false)) {
// Avoid deleting the index page of the directory.
if (in_array($file,$exclusion_list)) {
// This is the index file, so we move on.
continue;
}
$dir_path = $directory_path."/".$file;
if (is_dir($dir_path)) {
// This is a directory, so we move on.
continue;
}
// We find out when the file was last accessed.
$access_time = filemtime($dir_path); // fileatime() returned incorrect value on Windows
// We find out the current time.
$current_time = time();
// We calculate the the delete time. We will delete anything older than $cache_time.
$delete_time = $current_time - $access_time;
// Now we compare the two.
if ($delete_time >= $cache_time) {
// The file is old. We delete it.
$deleted_list[] = $dir_path; // Store the name of the file getting deleted
unlink($dir_path);
}
}
// Don't forget to close the directory.
closedir($directory_handle);
// For logging purposes
if ($CONFIG['log_mode']) {
for ( $i = 0; $i<count($deleted_list); $i++ ) {
log_write('Garbage collection deleted '.$deleted_list[$i].' at '.date("F j, Y, g:i a"),CPG_GLOBAL_LOG);
}
}
return $deleted_list;
}
if ($CONFIG['log_mode']) {
spring_cleaning('logs', CPG_DAY*2, array('log_header.inc.php'));
}
?>
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