openstamanager/src/Util/Zip.php

160 lines
5.3 KiB
PHP
Executable File

<?php
/*
* OpenSTAManager: il software gestionale open source per l'assistenza tecnica e la fatturazione
* Copyright (C) DevCode s.r.l.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
namespace Util;
use Symfony\Component\Finder\Finder;
use ZipArchive;
/**
* Classe dedicata alla gestione dei contenuti ZIP.
*
* @since 2.4.2
*/
class Zip
{
/**
* Controlla i requisiti per la gestione dei file ZIP.
*
* @return bool
*/
public static function requirements()
{
return extension_loaded('zip');
}
/**
* Estrae i contenuti di un file ZIP in una cartella temporanea.
*
* @param string $path
* @param string $destination
*
* @return string
*/
public static function extract($path, $destination = null)
{
// Lettura dell'archivio
$zip = new ZipArchive();
if (!$zip->open($path)) {
flash()->error(self::check($path));
return;
}
// Percorso di estrazione
$extraction_dir = !empty($destination) ? $destination : base_dir().'/tmp';
directory($extraction_dir);
// Estrazione dell'archivio
$zip->extractTo($extraction_dir);
$zip->close();
return $extraction_dir;
}
/**
* Crea un file zip comprimendo ricorsivamente tutte le sottocartelle a partire da una cartella specificata.
*
* @param array|string $source
* @param string $destination
* @param array $ignores
*/
public static function create($source, $destination, $ignores = [])
{
if (!directory(dirname($destination))) {
return false;
}
$zip = new ZipArchive();
$result = $zip->open($destination, ZipArchive::CREATE);
if ($result === true && is_writable(dirname($destination))) {
$finder = Finder::create()
->files()
->exclude((array) $ignores['dirs'])
->ignoreDotFiles(false)
->ignoreVCS(true)
->in($source);
foreach ((array) $ignores['files'] as $value) {
$finder->notName($value);
}
foreach ($finder as $file) {
$zip->addFile($file, $file->getRelativePathname());
}
$zip->close();
} else {
flash()->error(tr("Errore durante la creazione dell'archivio!"));
}
return $result === true;
}
/**
* Controllo dei file zip e gestione errori.
*
* @param string $path
*
* @return string|bool
*/
public static function check($path)
{
$errno = zip_open($path);
zip_close($errno);
if (!is_resource($errno)) {
// using constant name as a string to make this function PHP4 compatible
$errors = [
ZipArchive::ER_MULTIDISK => tr('archivi multi-disco non supportati'),
ZipArchive::ER_RENAME => tr('ridenominazione del file temporaneo fallita'),
ZipArchive::ER_CLOSE => tr('impossibile chiudere il file zip'),
ZipArchive::ER_SEEK => tr('errore durante la ricerca dei file'),
ZipArchive::ER_READ => tr('errore di lettura'),
ZipArchive::ER_WRITE => tr('errore di scrittura'),
ZipArchive::ER_CRC => tr('errore CRC'),
ZipArchive::ER_ZIPCLOSED => tr("l'archivio zip è stato chiuso"),
ZipArchive::ER_NOENT => tr('file non trovato'),
ZipArchive::ER_EXISTS => tr('il file esiste già'),
ZipArchive::ER_OPEN => tr('impossibile aprire il file'),
ZipArchive::ER_TMPOPEN => tr('impossibile creare il file temporaneo'),
ZipArchive::ER_ZLIB => tr('errore nella libreria Zlib'),
ZipArchive::ER_MEMORY => tr("fallimento nell'allocare memoria"),
ZipArchive::ER_CHANGED => tr('voce modificata'),
ZipArchive::ER_COMPNOTSUPP => tr('metodo di compressione non supportato'),
ZipArchive::ER_EOF => tr('fine del file non prevista'),
ZipArchive::ER_INVAL => tr('argomento non valido'),
ZipArchive::ER_NOZIP => tr('file zip non valido'),
ZipArchive::ER_INTERNAL => tr('errore interno'),
ZipArchive::ER_INCONS => tr('archivio zip inconsistente'),
ZipArchive::ER_REMOVE => tr('impossibile rimuovere la voce'),
ZipArchive::ER_DELETED => tr('voce eliminata'),
];
if (isset($errors[$errno])) {
return tr('Errore').': '.$errors[$errno];
}
return false;
} else {
return true;
}
}
}