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Linux 5.14.0-611.26.1.el9_7.x86_64

PHP Version:

8.4.15

User:

u892747680

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/home/u892747680/domains/sisteminformasic.com/public_html/arminu/admin/ckeditor/kcfinder/lib

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✏️ Editing: helper_httpCache.php

<?php

/** This file is part of KCFinder project
  *
  *      @desc HTTP cache helper class
  *   @package KCFinder
  *   @version 3.12
  *    @author Pavel Tzonkov <sunhater@sunhater.com>
  * @copyright 2010-2014 KCFinder Project
  *   @license http://opensource.org/licenses/GPL-3.0 GPLv3
  *   @license http://opensource.org/licenses/LGPL-3.0 LGPLv3
  *      @link http://kcfinder.sunhater.com
  */

namespace kcfinder;

class httpCache {
    const DEFAULT_TYPE = "text/html";
    const DEFAULT_EXPIRE = 604800; // in seconds

/** Cache a file. The $type parameter might define the MIME type of the file
  * or path to magic file to autodetect the MIME type. If you skip $type
  * parameter the method will try with the default magic file. Autodetection
  * of MIME type requires Fileinfo PHP extension used in file::getMimeType()
  * @param string $file
  * @param string $type
  * @param integer $expire
  * @param array $headers */

static function file($file, $type=null, $expire=null, array $headers=null) {
        $mtime = @filemtime($file);
        if ($mtime !== false) self::checkMTime($mtime);

if ($type === null) {
            $magic = ((substr($type, 0, 1) == "/") || preg_match('/^[a-z]\:/i', $type))
                ? $type : null;
            $type = file::getMimeType($file, $magic);
            if (!$type) $type = null;
        }

self::content(@file_get_contents($file), $mtime, $type, $expire, $headers, false);
    }

/** Cache the given $content with $mtime modification time.
  * @param binary $content
  * @param integer $mtime
  * @param string $type
  * @param integer $expire
  * @param array $headers
  * @param bool $checkMTime */

static function content($content, $mtime, $type=null, $expire=null, array $headers=null, $checkMTime=true) {
        if ($checkMTime) self::checkMTime($mtime);
        if ($type === null) $type = self::DEFAULT_TYPE;
        if ($expire === null) $expire = self::DEFAULT_EXPIRE;
        $size = strlen($content);
        $expires = gmdate("D, d M Y H:i:s", time() + $expire) . " GMT";
        header("Content-Type: $type");
        header("Expires: $expires");
        header("Cache-Control: max-age=$expire");
        header("Pragma: !invalid");
        header("Content-Length: $size");
        if ($headers !== null) foreach ($headers as $header) header($header);
        echo $content;
    }

/** Check if given modification time is newer than client-side one. If not,
  * the method will tell the client to get the content from its own cache.
  * Afterwards the script process will be terminated. This feature requires
  * the PHP to be configured as Apache module.
  * @param integer $mtime
  * @param mixed $sendHeaders */

static function checkMTime($mtime, $sendHeaders=null) {
        header("Last-Modified: " . gmdate("D, d M Y H:i:s", $mtime) . " GMT");

$headers = function_exists("getallheaders")
            ? getallheaders()
            : (function_exists("apache_request_headers")
                ? apache_request_headers()
                : false);

if (is_array($headers) && isset($headers['If-Modified-Since'])) {
            $client_mtime = explode(';', $headers['If-Modified-Since']);
            $client_mtime = @strtotime($client_mtime[0]);
            if ($client_mtime >= $mtime) {
                header('HTTP/1.1 304 Not Modified');
                if (is_array($sendHeaders) && count($sendHeaders))
                    foreach ($sendHeaders as $header)
                        header($header);
                elseif ($sendHeaders !== null)
                    header($sendHeaders);
                die;
            }
        }
    }

}

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