File: download.php

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  Classes of Gregory Mage  >  xmdoc  >  download.php  >  Download  
File: download.php
Role: Example script
Content type: text/plain
Description: Example script
Class: xmdoc
XOOPS CMS module to manage files attached to posts
Author: By
Last change:
Date: 1 month ago
Size: 4,827 bytes
 

Contents

Class file image Download
<?php
/*
 You may not change or alter any portion of this comment or credits
 of supporting developers from this source code or any supporting source code
 which is considered copyrighted (c) material of the original comment or credit authors.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/

/**
 * xmdoc module
 *
 * @copyright XOOPS Project (https://xoops.org)
 * @license GNU GPL 2 (http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
 * @author Mage Gregory (AKA Mage)
 */
use Xmf\Request;
use
Xmf\Module\Helper;

require_once
dirname(dirname(__DIR__)) . '/mainfile.php';

include
__DIR__ . '/include/common.php';
xoops_load('utility', basename(__DIR__));

$helper = Helper::getHelper('xmdoc');
$permHelper = new Helper\Permission();

$cat_id = Request::getInt('cat_id', 0);
$doc_id = Request::getInt('doc_id', 0);

// Checking access
if ($cat_id == 0) {
   
redirect_header(XOOPS_URL, 2, _MA_XMDOC_ERROR_NOCATEGORY);
}
// permission to view
$permHelper->checkPermissionRedirect('xmdoc_view', $cat_id, 'index.php', 2, _NOPERM);
if (
$doc_id == 0) {
   
redirect_header(XOOPS_URL, 2, _MA_XMDOC_ERROR_NODOCUMENT);
}
$category = $categoryHandler->get($cat_id);
$document = $documentHandler->get($doc_id);
if (empty(
$category)) {
   
redirect_header(XOOPS_URL, 2, _MA_XMDOC_ERROR_NOCATEGORY);
}
if (empty(
$document)) {
   
redirect_header(XOOPS_URL, 2, _MA_XMDOC_ERROR_NODOCUMENT);
}
if (
$category->getVar('category_status') == 0 || $document->getVar('document_status') == 0) {
   
redirect_header(XOOPS_URL, 2, _MA_XMDOC_ERROR_NACTIVE);
}

//check download limit download
if ($category->getVar('category_limitdownload') != 0){
   
$limitdownload = $category->getVar('category_limitdownload');
   
$yesterday = time() - 86400; //24hrs
   
$criteria = new CriteriaCompo();
    if (
$xoopsUser) {
       
$criteria->add(new Criteria('downlimit_uid', $xoopsUser->getVar('uid') , '='));
    } else {
       
$criteria->add(new Criteria('downlimit_hostname', getenv("REMOTE_ADDR"), '='));
    }
   
$criteria->add(new Criteria('downlimit_date', $yesterday , '>'));
   
$criteria->add(new Criteria('downlimit_catid', $cat_id , '='));
   
$downlimit_count = $downlimitHandler->getCount($criteria);
    if (
$downlimit_count >= $limitdownload) {
       
redirect_header(XOOPS_URL, 5, sprintf(_MA_XMDOC_ERROR_LIMITDOWNLOAD, $downlimit_count, $limitdownload));
    }
}

//check download limit item
if ($category->getVar('category_limititem') != 0){
   
$limititem = $category->getVar('category_limititem');
   
$yesterday = time() - 86400; //24hrs
   
$criteria = new CriteriaCompo();
    if (
$xoopsUser) {
       
$criteria->add(new Criteria('downlimit_uid', $xoopsUser->getVar('uid') , '='));
    } else {
       
$criteria->add(new Criteria('downlimit_hostname', getenv("REMOTE_ADDR"), '='));
    }
   
$criteria->add(new Criteria('downlimit_date', $yesterday , '>'));
   
$criteria->add(new Criteria('downlimit_docid', $doc_id , '='));
   
$downlimit_count = $downlimitHandler->getCount($criteria);
    if (
$downlimit_count >= $limititem) {
       
redirect_header(XOOPS_URL, 5, sprintf(_MA_XMDOC_ERROR_LIMITDOWNLOADITEM, $downlimit_count, $limititem));
    }
}

// save information to limit downloading
if ($category->getVar('category_limitdownload') != 0 || $category->getVar('category_limititem') != 0){
   
$obj = $downlimitHandler->create();
   
$obj->setVar('downlimit_docid', $doc_id);
   
$obj->setVar('downlimit_catid', $cat_id);
   
$obj->setVar('downlimit_uid', !empty($xoopsUser) ? $xoopsUser->getVar('uid') : 0);
   
$obj->setVar('downlimit_hostname', getenv("REMOTE_ADDR"));
   
$obj->setVar('downlimit_date', time());
   
$downlimitHandler->insert($obj) or $obj->getHtmlErrors();
}



// checkhost
if ($helper->getConfig('download_checkhost', 0) == 1) {
   
$goodhost = false;
   
$referer = parse_url(xoops_getenv('HTTP_REFERER'));
   
$referer_host = $referer['host'];
   
$host = $helper->getConfig('download_host');
    foreach (
$host as $ref) {
        if ( !empty(
$ref) && preg_match("/".$ref."/i", $referer_host) ) {
           
$goodhost = true;
            break;
        }
    }
    if (
$goodhost == false) {
       
redirect_header(XOOPS_URL, 30, _MA_XMDOC_ERROR_NOPERMISETOLINK);
    }
}

//counter
$sql = 'UPDATE ' . $xoopsDB->prefix('xmdoc_document') . ' SET document_counter=document_counter+1 WHERE document_id = ' . $doc_id;
$xoopsDB->queryF($sql);

$url = XmdocUtility::formatURL($document->getVar('document_document'));
$contentLength = XmdocUtility::StringSizeConvert($document->getVar('document_size'));
echo
$url ;
Header("Content-Length: $contentLength");
Header("Location: $url");
exit();


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