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- <?php
- require_once 'pclzip/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
- * Last commit by $Author: neveldo $
- * Date - $Date: 2009-05-29 10:05:11 +0200 (ven., 29 mai 2009) $
- * SVN Revision - $Rev: 28 $
- * Id : $Id: odf.php 28 2009-05-29 08:05:11Z neveldo $
- *
- * @copyright GPL License 2008 - Julien Pauli - Cyril PIERRE de GEYER - Anaska (http://www.anaska.com)
- * @license http://www.gnu.org/copyleft/gpl.html GPL License
- * @version 1.3
- */
- class PclZipProxy implements ZipInterface
- {
- // MODIF YC: use drupal temp directory
- // see http://www.odtphp.com/forum/viewtopic.php?f=5&t=20#p126
- const TMP_DIR = PCL_ZIP_TMP;
- //const TMP_DIR = './tmp';
- protected $openned = false;
- protected $filename;
- protected $pclzip;
- /**
- * Class constructor
- *
- * @throws PclZipProxyException
- */
- public function __construct()
- {
- if (! class_exists('PclZip')) {
- throw new PclZipProxyException('PclZip class not loaded - PclZip library
- is required for using PclZipProxy'); ;
- }
- }
- /**
- * 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();
- }
- if (!file_exists(self::TMP_DIR)) {
- mkdir(self::TMP_DIR);
- }
- $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);
- $tmpfilename = self::TMP_DIR . '/' . basename($localname);
- if (false !== file_put_contents($tmpfilename, $contents)) {
- $this->pclzip->delete(PCLZIP_OPT_BY_NAME, $localname);
- $add = $this->pclzip->add($tmpfilename,
- PCLZIP_OPT_REMOVE_PATH, self::TMP_DIR,
- 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);
- $tmpfilename = self::TMP_DIR . '/' . basename($localname);
- } else {
- $localname = basename($filename);
- $tmpfilename = self::TMP_DIR . '/' . $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, self::TMP_DIR,
- 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;
- if (file_exists(self::TMP_DIR)) {
- $this->_rrmdir(self::TMP_DIR);
- rmdir(self::TMP_DIR);
- }
- return true;
- }
- /**
- * Empty the temporary working directory recursively
- * @param $dir the temporary working directory
- * @return void
- */
- private function _rrmdir($dir)
- {
- if ($handle = opendir($dir)) {
- while (false !== ($file = readdir($handle))) {
- if ($file != '.' && $file != '..') {
- if (is_dir($dir . '/' . $file)) {
- $this->_rrmdir($dir . '/' . $file);
- rmdir($dir . '/' . $file);
- } else {
- unlink($dir . '/' . $file);
- }
- }
- }
- closedir($handle);
- }
- }
- }
- ?>
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