126 lines
No EOL
3.9 KiB
PHP
126 lines
No EOL
3.9 KiB
PHP
<?php
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/*
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*
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* OGP - Open Game Panel
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* Copyright (C) 2008 - 2018 The OGP Development Team
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*
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* http://www.opengamepanel.org/
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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function extractZip( $zipFile, $extract_path, $remove_path = '', $blacklist = '', $whitelist = '' )
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{
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$temp_path = rtrim(sys_get_temp_dir(), DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
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$base_path = rtrim(getcwd(), DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
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if(!file_exists($extract_path))
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{
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return "Destination path (${extract_path}) does not exists.\n";
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}
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if(!is_writable($extract_path))
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{
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return "Can't extract to ${extract_path}, not writable.\n";
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}
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if($zipFile == '' or $extract_path == '')
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return "Invalid arguments.\n";
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if( ! file_exists( $zipFile ) )
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return "Unable to read ${zipFile}.\n";
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$zip = zip_open($zipFile);
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$remove_path = addcslashes($remove_path,"/");
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if (is_resource($zip))
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{
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$i=0;
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$i2=0;
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$extracted_files = array();
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$ignored_files = array();
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while ($zip_entry = zip_read($zip))
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{
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$filename = zip_entry_name( $zip_entry );
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$file_path = preg_replace( "/$remove_path/", "", $filename );
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$dir_path = preg_replace( "/$remove_path/", "", dirname( $filename ) );
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if( isset( $blacklist ) and is_array( $blacklist ) and in_array( $file_path , $blacklist ) )
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{
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if( isset( $whitelist ) and is_array( $whitelist ) and in_array( $filename , $whitelist ) )
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{
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$ignored_files[$i2] = $file_path;
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$i2++;
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}
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continue;
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}
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if( isset( $whitelist ) and is_array( $whitelist ) and !in_array( $filename , $whitelist ) )
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continue;
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$completePath = $extract_path . $dir_path;
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$completeName = $extract_path . $file_path;
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$escaped_temp_path = str_replace('\\', '\\\\', $temp_path);// For Windows paths backslashes
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$root = preg_match("#^$escaped_temp_path#", $completePath)?$temp_path:$base_path;
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$escaped_root = str_replace('\\', '\\\\', $root);
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$relative_path = preg_replace("#^$escaped_root(.*)$#","$1",$completePath);
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// Walk through path to create non existing directories
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// This won't apply to empty directories ! They are created further below
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if(!file_exists($completePath) && preg_match( '/^' . $remove_path .'/', dirname(zip_entry_name($zip_entry)) ) )
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{
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$tmp = $root;
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foreach(preg_split('/(\/|\\\\)/',$relative_path) AS $k)
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{
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if( $k != "" )
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{
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$tmp .= $k.DIRECTORY_SEPARATOR;
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if( !file_exists($tmp) )
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{
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if(!mkdir($tmp, 0777))
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{
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return "Unable to write folder ${tmp}.\n";
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}
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}
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}
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}
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}
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if (zip_entry_open($zip, $zip_entry, "r"))
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{
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if( preg_match( '/^' . $remove_path .'/', dirname(zip_entry_name($zip_entry)) ) )
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{
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if ( ! preg_match( "/\/$/", $completeName) )
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{
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if ( $fd = fopen($completeName, 'w+'))
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{
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fwrite($fd, zip_entry_read($zip_entry, zip_entry_filesize($zip_entry)));
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fclose($fd);
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$extracted_files[$i]['filename'] = zip_entry_name($zip_entry);
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$i++;
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}
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else
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{
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return "Unable to write file ${completeName}.\n";
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}
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}
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}
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zip_entry_close($zip_entry);
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}
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}
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zip_close($zip);
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return array('ignored_files' => $ignored_files, 'extracted_files' => $extracted_files);
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}
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return "${zipFile} is corrupt.\n";
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}
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?>
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