Subversion-Projekte lars-tiefland.php_share

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Revision Autor Zeilennr. Zeile
1 lars 1 
<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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 * HTTP::Download::Archive
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 *
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 * PHP versions 4 and 5
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 *
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 * @category   HTTP
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 * @package    HTTP_Download
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 * @author     Michael Wallner <mike@php.net>
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 * @copyright  2003-2005 Michael Wallner
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 * @license    BSD, revisewd
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 * @version    CVS: $Id: Archive.php 304423 2010-10-15 13:36:46Z clockwerx $
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 * @link       http://pear.php.net/package/HTTP_Download
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 */
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/**
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 * Requires HTTP_Download
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 */
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require_once 'HTTP/Download.php';
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/**
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 * Requires System
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 */
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require_once 'System.php';
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/**
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 * HTTP_Download_Archive
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 *
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 * Helper class for sending Archives.
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 *
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 * @access   public
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 * @version  $Revision: 304423 $
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 */
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class HTTP_Download_Archive
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{
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    /**
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     * Send a bunch of files or directories as an archive
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     *
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     * Example:
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     * <code>
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     *  require_once 'HTTP/Download/Archive.php';
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     *  HTTP_Download_Archive::send(
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     *      'myArchive.tgz',
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     *      '/var/ftp/pub/mike',
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     *      HTTP_DOWNLOAD_BZ2,
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     *      '',
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     *      '/var/ftp/pub'
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     *  );
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     * </code>
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     *
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     * @see         Archive_Tar::createModify()
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     * @static
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     * @access  public
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     * @return  mixed   Returns true on success or PEAR_Error on failure.
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     * @param   string  $name       name the sent archive should have
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     * @param   mixed   $files      files/directories
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     * @param   string  $type       archive type
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     * @param   string  $add_path   path that should be prepended to the files
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     * @param   string  $strip_path path that should be stripped from the files
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     */
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    function send($name, $files, $type = HTTP_DOWNLOAD_TGZ, $add_path = '', $strip_path = '')
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    {
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        $tmp = System::mktemp();
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        switch ($type = strToUpper($type))
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        {
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            case HTTP_DOWNLOAD_TAR:
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                include_once 'Archive/Tar.php';
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                $arc = &new Archive_Tar($tmp);
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                $content_type = 'x-tar';
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            break;
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            case HTTP_DOWNLOAD_TGZ:
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                include_once 'Archive/Tar.php';
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                $arc = &new Archive_Tar($tmp, 'gz');
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                $content_type = 'x-gzip';
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            break;
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            case HTTP_DOWNLOAD_BZ2:
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                include_once 'Archive/Tar.php';
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                $arc = &new Archive_Tar($tmp, 'bz2');
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                $content_type = 'x-bzip2';
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            break;
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            case HTTP_DOWNLOAD_ZIP:
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                include_once 'Archive/Zip.php';
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                $arc = &new Archive_Zip($tmp);
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                $content_type = 'x-zip';
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            break;
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            default:
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                return PEAR::raiseError(
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                    'Archive type not supported: ' . $type,
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                    HTTP_DOWNLOAD_E_INVALID_ARCHIVE_TYPE
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                );
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        }
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        if ($type == HTTP_DOWNLOAD_ZIP) {
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            $options = array(   'add_path' => $add_path,
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                                'remove_path' => $strip_path);
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            if (!$arc->create($files, $options)) {
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                return PEAR::raiseError('Archive creation failed.');
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            }
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        } else {
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            if (!$e = $arc->createModify($files, $add_path, $strip_path)) {
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                return PEAR::raiseError('Archive creation failed.');
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            }
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            if (PEAR::isError($e)) {
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                return $e;
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            }
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        }
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        unset($arc);
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        $dl = &new HTTP_Download(array('file' => $tmp));
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        $dl->setContentType('application/' . $content_type);
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        $dl->setContentDisposition(HTTP_DOWNLOAD_ATTACHMENT, $name);
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        return $dl->send();
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    }
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}
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?>