dokuwiki-indexmenu-plugin – Rev 1

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<?php
class repo_indexmenu_plugin {
    /**
     * Send a zipped theme
     *
     * @author Samuele Tognini <samuele@samuele.netsons.org>
     */

    function send_theme($file) {
        require_once(DOKU_PLUGIN.'indexmenu/syntax/indexmenu.php');
        $idxm = new syntax_plugin_indexmenu_indexmenu();
        //clean the file name
        $file = cleanID($file);
        //check config
        if(!$idxm->getConf('be_repo') || empty($file)) return false;
        $repodir    = INDEXMENU_IMG_ABSDIR."/repository";
        $zipfile    = $repodir."/$file.zip";
        $localtheme = INDEXMENU_IMG_ABSDIR."/$file/";
        //theme does not exists
        if(!file_exists($localtheme)) return false;
        if(!io_mkdir_p($repodir)) return false;
        $lm = @filemtime($zipfile);
        //no cached zip or older than 1 day
        if($lm < time() - (60 * 60 * 24)) {
            //create the zip
            require_once(DOKU_PLUGIN."indexmenu/inc/pclzip.lib.php");
            @unlink($zipfile);
            $zip    = new PclZip($zipfile);
            $status = $zip->add($localtheme, PCLZIP_OPT_REMOVE_ALL_PATH);
            //error
            if($status == 0) return false;
        }
        $len = (int) filesize($zipfile);
        //don't send large zips
        if($len > 2 * 1024 * 1024) return false;
        //headers
        header('Cache-Control: must-revalidate, no-transform, post-check=0, pre-check=0');
        header('Pragma: public');
        header('Content-Type: application/zip');
        header('Content-Disposition: attachment; filename="'.basename($zipfile).'";');
        header("Content-Transfer-Encoding: binary");
        //send zip
        $fp = @fopen($zipfile, 'rb');
        if($fp) {
            $ct = @fread($fp, $len);
            print $ct;
        }
        @fclose($fp);
        return true;
    }
}