tardownloader.php

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<?php
/*
 You may not change or alter any portion of this comment or credits
 of supporting developers from this source code or any supporting source code
 which is considered copyrighted (c) material of the original comment or credit authors.

 This program 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.
*/

class XoopsTarDownloader extends XoopsDownloader
{
    public function __construct($ext = '.tar.gz', $mimyType = 'application/x-gzip')
    {
        $this->archiver = new tar();
        $this->ext = trim($ext);
        $this->mimeType = trim($mimyType);
    }

    public function addFile($filepath, $newfilename = null)
    {
        $result = $this->archiver->addFile($filepath);
        if ($result === false) {
            return false;
        }
        if (isset($newfilename)) {
            // dirty, but no other way
            for ($i = 0; $i < $this->archiver->numFiles; ++$i) {
                if ($this->archiver->files[$i]['name'] == $filepath) {
                    $this->archiver->files[$i]['name'] = trim($newfilename);
                    break;
                }
            }
        }
    }

    public function addBinaryFile($filepath, $newfilename = null)
    {
        $result = $this->archiver->addFile($filepath, true);
        if ($result === false) {
            return false;
        }
        if (isset($newfilename)) {
            // dirty, but no other way
            for ($i = 0; $i < $this->archiver->numFiles; ++$i) {
                if ($this->archiver->files[$i]['name'] == $filepath) {
                    $this->archiver->files[$i]['name'] = trim($newfilename);
                    break;
                }
            }
        }
    }

    public function addFileData(&$data, $filename, $time = 0)
    {
        $dummyfile = \XoopsBaseConfig::get('caches-path') . '/dummy_' . time() . '.html';
        $fp = @fopen($dummyfile, 'w');
        if ($fp === false) {
            return false;
        }
        fwrite($fp, $data);
        fclose($fp);
        $result = $this->archiver->addFile($dummyfile);
        unlink($dummyfile);
        if ($result === false) {
            return false;
        }
        // dirty, but no other way
        for ($i = 0; $i < $this->archiver->numFiles; ++$i) {
            if ($this->archiver->files[$i]['name'] == $dummyfile) {
                $this->archiver->files[$i]['name'] = $filename;
                if ($time != 0) {
                    $this->archiver->files[$i]['time'] = $time;
                }
                break;
            }
        }
    }

    public function addBinaryFileData(&$data, $filename, $time = 0)
    {
        $dummyfile = \XoopsBaseConfig::get('caches-path') . '/dummy_' . time() . '.html';
        $fp = @fopen($dummyfile, 'wb');
        if ($fp === false) {
            return false;
        }
        fwrite($fp, $data);
        fclose($fp);
        $result = $this->archiver->addFile($dummyfile, true);
        unlink($dummyfile);
        if ($result === false) {
            return false;
        }
        // dirty, but no other way
        for ($i = 0; $i < $this->archiver->numFiles; ++$i) {
            if ($this->archiver->files[$i]['name'] == $dummyfile) {
                $this->archiver->files[$i]['name'] = $filename;
                if ($time != 0) {
                    $this->archiver->files[$i]['time'] = $time;
                }
                break;
            }
        }
    }

    public function download($name, $gzip = true)
    {
        $this->_header($name . $this->ext);
        $str = $this->archiver->toTarOutput($name . $this->ext, $gzip);
        if ($str !== false) {
            echo $str;
        }
    }
}