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php-e107/e107_files/e_jslib.php
2008-11-21 16:24:49 +00:00

130 lines
3.5 KiB
PHP

<?php
/*
* e107 website system
*
* Copyright (c) 2001-2008 e107 Developers (e107.org)
* Released under the terms and conditions of the
* GNU General Public License (http://gnu.org).
*
* e107 Javascript API
*
* $Source: /cvs_backup/e107_0.8/e107_files/e_jslib.php,v $
* $Revision: 1.3 $
* $Date: 2008-11-21 16:24:49 $
* $Author: secretr $
*
*/
/*
called from header_default.php - just after e_header processing
*/
error_reporting(0);
//output cache if available before calling the api
e_jslib_cache_out();
//v0.8 - we need THEME defines here (do we?)
$_E107 = array('no_forceuserupdate' => 1, 'no_online' => 1,'no_menus' => 1,'no_prunetmp' => 1);
//admin or front-end call
if(strpos($_SERVER['QUERY_STRING'], '_admin') !== FALSE)
$eplug_admin = TRUE;
require_once("../class2.php");
require_once(e_HANDLER.'jslib_handler.php');
$jslib = new e_jslib();
$jslib->core_run();
/**
* FUNCTIONS required for retrieveing cache without e107 API
*
*/
/**
* Output cache file contents if available (doesn't require e107 API)
*
*/
function e_jslib_cache_out() {
$encoding = e_jslib_browser_enc();
$cacheFile = e_jslib_is_cache($encoding);
if($cacheFile) {
while (@ob_end_clean()); // kill all output buffering for better performance
header("Last-modified: " . gmdate("D, d M Y H:i:s",mktime(0,0,0,15,2,2004)) . " GMT");
header('Content-type: text/javascript', TRUE);
if($encoding)
header('Content-Encoding: '.$encoding);
echo @file_get_contents($cacheFile);
//TODO - log
//@file_put_contents('cache/e_jslib_log', "----------\ncache used - ".$cacheFile."\n\n", FILE_APPEND);
exit;
}
}
/**
* Check jslib cache (doesn't require e107 API)
*
* @param string $encoding browser accepted encoding
* @return mixed cache filename on success or false otherwise
*/
function e_jslib_is_cache($encoding) {
$cacheFile = e_jslib_cache_file($encoding);
$mAge = 24 * 60;
if(is_file($cacheFile) && is_readable($cacheFile)) {
if ((@filemtime($cacheFile) + ($mAge * 60)) < time()) {
unlink($cacheFile);
return false;
}
return $cacheFile;
}
return false;
}
/**
* Detect browser accepted encoding (doesn't require e107 API)
*
* @return string encoding
*/
function e_jslib_browser_enc() {
//double-compression fix - thanks Topper
if( headers_sent() || ini_get('zlib.output_compression') || !isset($_SERVER["HTTP_ACCEPT_ENCODING"]) ){
$encoding = '';
} elseif ( strpos($_SERVER["HTTP_ACCEPT_ENCODING"], 'x-gzip') !== false ){
$encoding = 'x-gzip';
} elseif ( strpos($_SERVER["HTTP_ACCEPT_ENCODING"],'gzip') !== false ){
$encoding = 'gzip';
} else {
$encoding = '';
}
return $encoding;
}
/**
* Creates cache filename (doesn't require e107 API)
*
* @param string $encoding
* @return string cache filename
*/
function e_jslib_cache_file($encoding='') {
$cacheDir = './cache/';
$hash = $_SERVER['QUERY_STRING'] ? md5($_SERVER['QUERY_STRING']) : 'nomd5';
$cacheFile = $cacheDir.'S_e_jslib'.($encoding ? '_'.$encoding : '').'_'.$hash.'.cache.php';
return $cacheFile;
}
?>