File Source for download.php

<?php
/**
* Script di download.
* Attraverso questo script vengono processati i file allegati e spediti con un header di tipo attachment.
* Qualora richiesto, viene creato un file .zip con più allegati
*
* @package VFront
* @author Mario Marcello Verona <marcelloverona@gmail.com>
* @copyright 2007 Mario Marcello Verona
* @version 0.90
* @license http://www.gnu.org/licenses/gpl.html GNU Public License
*/
include("./inc/conn.php");
include("./inc/func.frontend.php");
proteggi(1);
if(isset($_GET['type']) && $_GET['type']=='all'){
require_once("./inc/EasyZIP.class.php");
// PRENDI CON UNA QUERY TUTTI I FILES ED I NOMI
// deduce da un ID tutti gli altri
$id_pilota = (int) str_replace(_BASE64_PASSFRASE,'',base64_decode($_GET['idr']));
$sql="SELECT t1.codiceallegato, t1.nomefileall, ".concat_sintax("'allegati_',t1.tipoentita,t1.codiceentita")."
FROM "._TABELLA_ALLEGATO." t1, "._TABELLA_ALLEGATO." t2
WHERE t2.codiceallegato=$id_pilota
AND t1.codiceentita=t2.codiceentita
AND t1.tipoentita=t2.tipoentita
ORDER BY nomefileall";
$q=vmsql_query($sql,$link);
$num_rows=vmsql_num_rows($q);
// se ci sono errori
if($num_rows==0){
echo "Errore, nessun file trovato";
}
$dir=md5(rand());
// creo la directory
mkdir(_PATH_ATTACHMENT."/tmp/$dir");
$z = new EasyZIP;
chdir(_PATH_ATTACHMENT."/tmp/$dir/");
// COPIA TUTTI I FILES in una tabella temporanea
while($RS=vmsql_fetch_row($q)){
$test=@copy(_PATH_ATTACHMENT."/".$RS[0].".dat",$RS[1]);
$z -> addFile($RS[1]);
$nome_origine_all[]=$RS[1];
$nome_zip=$RS[2];
}
$z -> zipFile("../$nome_zip.zip");
// elimino la directory
for($k=0;$k<count($nome_origine_all);$k++){
unlink($nome_origine_all[$k]);
}
chdir(dirname(__FILE__));
rmdir(_PATH_ATTACHMENT."/tmp/$dir");
if(file_exists(_PATH_ATTACHMENT."/tmp/$nome_zip.zip")){
header("Pragma: public");
header('Expires: '.gmdate('D, d M Y H:i:s').' GMT');
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: private",false);
header("Content-Type: application/zip");
header('Content-Disposition: attachment; filename="'.$nome_zip.'.zip"');
header("Content-Transfer-Encoding: binary");
header('Content-Length: '.filesize(_PATH_ATTACHMENT."/tmp/$nome_zip.zip" ));
set_time_limit(0);
@readfile(_PATH_ATTACHMENT."/tmp/$nome_zip.zip") OR die("<html><body OnLoad=\"javascript: alert('Nessun file trovato');history.back();\" bgcolor=\"#F0F0F0\"></body></html>");
unlink(_PATH_ATTACHMENT."/tmp/$nome_zip.zip");
}
else{
die("<html><body onload=\"javascript: alert('Nessun file da scaricare!');history.back();\" bgcolor=\"#F0F0F0\"></body></html>");
}
exit;
}
elseif(isset($_GET['f'])){
$id_file = (int) str_replace(_BASE64_PASSFRASE,'',base64_decode($_GET['f']));
$sql="SELECT codiceallegato, nomefileall
FROM "._TABELLA_ALLEGATO."
WHERE codiceallegato=$id_file
";
$q=vmsql_query($sql,$link);
$num_rows=vmsql_num_rows($q);
// se ci sono errori
if($num_rows==0){
echo "Errore, nessun file trovato";
exit;
}
$RS=vmsql_fetch_row($q);
$dir=md5(rand());
// creo la directory
mkdir(_PATH_ATTACHMENT."/tmp/$dir");
$file_originale=_PATH_ATTACHMENT."/tmp/$dir/".$RS[1];
$test=@copy(_PATH_ATTACHMENT."/".$RS[0].".dat",$file_originale);
if(file_exists($file_originale)){
header("Pragma: public");
header('Expires: '.gmdate('D, d M Y H:i:s').' GMT');
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: private",false);
header("Content-Type: application/force-download");
header('Content-Disposition: attachment; filename="'.$RS[1].'"');
header("Content-Transfer-Encoding: binary");
header('Content-Length: '.filesize($file_originale));
set_time_limit(0);
@readfile($file_originale) OR die("<html><body OnLoad=\"javascript: alert('Nessun file trovato');history.back();\" bgcolor=\"#F0F0F0\"></body></html>");
}
else{
die("<html><body onload=\"javascript: alert('Nessun file da scaricare!');history.back();\" bgcolor=\"#F0F0F0\"></body></html>");
}
unlink($file_originale);
rmdir(_PATH_ATTACHMENT."/tmp/$dir");
}
?>

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Source for file download.php