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<?php
if (! defined('ODTPHP_PATHTOPCLZIP')) define('ODTPHP_PATHTOPCLZIP','pclzip/');
require_once ODTPHP_PATHTOPCLZIP.'pclzip.lib.php';
require_once 'ZipInterface.php';
class PclZipProxyException extends Exception
{ }
/**
* Proxy class for the PclZip library
* You need PHP 5.2 at least
* You need Zip Extension or PclZip library
* Encoding : ISO-8859-1
*
* @copyright GPL License 2008 - Julien Pauli - Cyril PIERRE de GEYER - Anaska (http://www.anaska.com)
* @copyright GPL License 2010 - Laurent Destailleur - eldy@users.sourceforge.net
* @license http://www.gnu.org/copyleft/gpl.html GPL License
* @version 1.4
*/
class PclZipProxy implements ZipInterface
{
protected $tmpdir = '/tmp';
protected $openned = false;
protected $filename;
protected $pclzip;
/**
* Class constructor
*
* @throws PclZipProxyException
*/
public function __construct($forcedir='')
{
if (! class_exists('PclZip')) {
throw new PclZipProxyException('PclZip class not loaded - PclZip library
is required for using PclZipProxy'); ;
}
if ($forcedir) $this->tmpdir=preg_replace('|[//\/]$|','',$forcedir); // $this->tmpdir must not contains / at the end
}
/**
* Open a Zip archive
*
* @param string $filename the name of the archive to open
* @return true if openning has succeeded
*/
public function open($filename)
{
if (true === $this->openned) {
$this->close();
}
$this->filename = $filename;
$this->pclzip = new PclZip($this->filename);
$this->openned = true;
return true;
}
/**
* Retrieve the content of a file within the archive from its name
*
* @param string $name the name of the file to extract
* @return the content of the file in a string
*/
public function getFromName($name)
{
if (false === $this->openned) {
return false;
}
$name = preg_replace("/(?:\.|\/)*(.*)/", "\\1", $name);
$extraction = $this->pclzip->extract(PCLZIP_OPT_BY_NAME, $name,
PCLZIP_OPT_EXTRACT_AS_STRING);
if (!empty($extraction)) {
return $extraction[0]['content'];
}
return false;
}
/**
* Add a file within the archive from a string
*
* @param string $localname the local path to the file in the archive
* @param string $contents the content of the file
* @return true if the file has been successful added
*/
public function addFromString($localname, $contents)
{
if (false === $this->openned) {
return false;
}
if (file_exists($this->filename) && !is_writable($this->filename)) {
return false;
}
$localname = preg_replace("/(?:\.|\/)*(.*)/", "\\1", $localname);
$localpath = dirname($localname);
$tmpfilename = $this->tmpdir . '/' . basename($localname);
if (false !== file_put_contents($tmpfilename, $contents)) {
//print "tmpfilename=".$tmpfilename;
//print "localname=".$localname;
$res=$this->pclzip->delete(PCLZIP_OPT_BY_NAME, $localname);
$add = $this->pclzip->add($tmpfilename,
PCLZIP_OPT_REMOVE_PATH, $this->tmpdir,
PCLZIP_OPT_ADD_PATH, $localpath);
unlink($tmpfilename);
if (!empty($add)) {
return true;
}
}
return false;
}
/**
* Add a file within the archive from a file
*
* @param string $filename the path to the file we want to add
* @param string $localname the local path to the file in the archive
* @return true if the file has been successful added
*/
public function addFile($filename, $localname = null)
{
if (false === $this->openned) {
return false;
}
if ((file_exists($this->filename) && !is_writable($this->filename))
|| !file_exists($filename)) {
return false;
}
if (isSet($localname)) {
$localname = preg_replace("/(?:\.|\/)*(.*)/", "\\1", $localname);
$localpath = dirname($localname);
$tmpfilename = $this->tmpdir . '/' . basename($localname);
} else {
$localname = basename($filename);
$tmpfilename = $this->tmpdir . '/' . $localname;
$localpath = '';
}
if (file_exists($filename)) {
copy($filename, $tmpfilename);
$this->pclzip->delete(PCLZIP_OPT_BY_NAME, $localname);
$this->pclzip->add($tmpfilename,
PCLZIP_OPT_REMOVE_PATH, $this->tmpdir,
PCLZIP_OPT_ADD_PATH, $localpath);
unlink($tmpfilename);
return true;
}
return false;
}
/**
* Close the Zip archive
* @return true
*/
public function close()
{
if (false === $this->openned) {
return false;
}
$this->pclzip = $this->filename = null;
$this->openned = false;
return true;
}
}
?>