099e4888e8
that PHP's zip extension is now needed.
153 lines
4.7 KiB
PHP
153 lines
4.7 KiB
PHP
<?php
|
|
/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
# ***** BEGIN LICENSE BLOCK *****
|
|
# This file is part of InDefero, an open source project management application.
|
|
# Copyright (C) 2008-2011 Céondo Ltd and contributors.
|
|
#
|
|
# InDefero 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 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# InDefero 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, write to the Free Software
|
|
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
#
|
|
# ***** END LICENSE BLOCK ***** */
|
|
|
|
class IDF_Form_UploadArchiveHelper
|
|
{
|
|
private $file = null;
|
|
private $entries = array();
|
|
|
|
public function __construct($file)
|
|
{
|
|
$this->file = $file;
|
|
}
|
|
|
|
/**
|
|
* Validates the archive; throws a invalid form exception in case the
|
|
* archive contains invalid data or cannot be read.
|
|
*/
|
|
public function validate()
|
|
{
|
|
if (!file_exists($this->file)) {
|
|
throw new Pluf_Form_Invalid(__('The archive does not exist.'));
|
|
}
|
|
|
|
$za = new ZipArchive();
|
|
$res = $za->open($this->file);
|
|
if ($res !== true) {
|
|
throw new Pluf_Form_Invalid(
|
|
sprintf(__('The archive could not be read (code %d).'), $res));
|
|
}
|
|
|
|
$manifest = $za->getFromName('manifest.xml');
|
|
if ($manifest === false) {
|
|
throw new Pluf_Form_Invalid(__('The archive does not contain a manifest.xml.'));
|
|
}
|
|
|
|
libxml_use_internal_errors(true);
|
|
$xml = @simplexml_load_string($manifest);
|
|
if ($xml === false) {
|
|
$error = libxml_get_last_error();
|
|
throw new Pluf_Form_Invalid(
|
|
sprintf(__('The archive\'s manifest is invalid: %s'), $error->message));
|
|
}
|
|
|
|
foreach (@$xml->file as $idx => $file)
|
|
{
|
|
$entry = array(
|
|
'name' => (string)@$file->name,
|
|
'summary' => (string)@$file->summary,
|
|
'description' => (string)@$file->description,
|
|
'replaces' => (string)@$file->replaces,
|
|
'labels' => array(),
|
|
'stream' => null
|
|
);
|
|
|
|
if (empty($entry['name'])) {
|
|
throw new Pluf_Form_Invalid(
|
|
sprintf(__('The entry %d in the manifest is missing a file name.'), $idx));
|
|
}
|
|
|
|
if (empty($entry['summary'])) {
|
|
throw new Pluf_Form_Invalid(
|
|
sprintf(__('The entry %d in the manifest is missing a summary.'), $idx));
|
|
}
|
|
|
|
if ($entry['name'] === 'manifest.xml') {
|
|
throw new Pluf_Form_Invalid(__('The manifest must not reference itself.'));
|
|
}
|
|
|
|
if ($za->locateName($entry['name']) === false) {
|
|
throw new Pluf_Form_Invalid(
|
|
sprintf(__('The entry %s in the manifest does not exist in the archive.'), $entry['name']));
|
|
}
|
|
|
|
if (in_array($entry['name'], $this->entries)) {
|
|
throw new Pluf_Form_Invalid(
|
|
sprintf(__('The entry %s in the manifest is referenced more than once.'), $entry['name']));
|
|
}
|
|
|
|
if ($file->labels) {
|
|
foreach (@$file->labels->label as $label) {
|
|
$entry['labels'][] = (string)$label;
|
|
}
|
|
}
|
|
|
|
$this->entries[$entry['name']] = $entry;
|
|
}
|
|
|
|
$za->close();
|
|
}
|
|
|
|
/**
|
|
* Returns all entry names
|
|
*
|
|
* @return array of string
|
|
*/
|
|
public function getEntryNames()
|
|
{
|
|
return array_keys($this->entries);
|
|
}
|
|
|
|
/**
|
|
* Returns meta data for the given entry
|
|
*
|
|
* @param string $name
|
|
* @throws Exception
|
|
*/
|
|
public function getMetaData($name)
|
|
{
|
|
if (!array_key_exists($name, $this->entries)) {
|
|
throw new Exception('unknown file ' . $name);
|
|
}
|
|
return $this->entries[$name];
|
|
}
|
|
|
|
/**
|
|
* Extracts the file entry $name at $path
|
|
*
|
|
* @param string $name
|
|
* @param string $path
|
|
* @throws Exception
|
|
*/
|
|
public function extract($name, $path)
|
|
{
|
|
if (!array_key_exists($name, $this->entries)) {
|
|
throw new Exception('unknown file ' . $name);
|
|
}
|
|
$za = new ZipArchive();
|
|
$za->open($this->file);
|
|
$za->extractTo($path, $name);
|
|
$za->close();
|
|
}
|
|
}
|