* @author Andreas Gohr */ // must be run within Dokuwiki if (!defined('DOKU_INC')) die(); if (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN', DOKU_INC . 'lib/plugins/'); class action_plugin_dw2pdf extends DokuWiki_Action_Plugin { /** * Register the events */ function register(&$controller) { $controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'convert',array()); } function convert(&$event, $param) { global $ACT; global $REV; global $ID; global $conf; // our event? if (( $ACT != 'export_pdfbook' ) && ( $ACT != 'export_pdf' )) return false; // check user's rights if ( auth_quickaclcheck($ID) < AUTH_READ ) return false; // it's ours, no one else's $event->preventDefault(); // one or multiple pages? $list = array(); if ( $ACT == 'export_pdf' ) { $list[0] = $ID; } elseif (isset($_COOKIE['list-pagelist'])) { $list = explode("|", $_COOKIE['list-pagelist']); } $tpl = $this->select_template(); // prepare cache $cache = new cache(join(',',$list).$REV.$tpl,'.dw2.pdf'); $depends['files'] = array_map('wikiFN',$list); $depends['files'][] = __FILE__; $depends['files'][] = dirname(__FILE__).'/renderer.php'; $depends['files'][] = dirname(__FILE__).'/mpdf/mpdf.php'; // hard work only when no cache available if(!$this->getConf('usecache') || !$cache->useCache($depends)){ // initialize PDF library require_once(dirname(__FILE__)."/DokuPDF.class.php"); $mpdf = new DokuPDF(); // let mpdf fix local links $self = parse_url(DOKU_URL); $url = $self['scheme'].'://'.$self['host']; if($self['port']) $url .= ':'.$port; $mpdf->setBasePath($url); // Set the title $title = $_GET['pdfbook_title']; if(!$title) $title = p_get_first_heading($ID); $mpdf->SetTitle($title); // some default settings $mpdf->mirrorMargins = 1; $mpdf->useOddEven = 1; $mpdf->setAutoTopMargin = 'stretch'; $mpdf->setAutoBottomMargin = 'stretch'; // load the template $template = $this->load_template($tpl, $title); // prepare HTML header styles $html = ''; $html .= ''; $html .= ''; $html .= $template['html']; // loop over all pages $cnt = count($list); for($n=0; $n<$cnt; $n++){ $page = $list[$n]; $html .= p_cached_output(wikiFN($page,$REV),'dw2pdf',$page); $html .= $template['cite']; if ($n < ($cnt - 1)){ $html .= ''; } } $this->arrangeHtml($html, $this->getConf("norender")); $mpdf->WriteHTML($html); // write to cache file $mpdf->Output($cache->cache, 'F'); } // deliver the file header('Content-Type: application/pdf'); header('Expires: '.gmdate("D, d M Y H:i:s", time()+max($conf['cachetime'], 3600)).' GMT'); header('Cache-Control: public, proxy-revalidate, no-transform, max-age='.max($conf['cachetime'], 3600)); header('Pragma: public'); http_conditionalRequest(filemtime($cache->cache)); if($this->getConf('output') == 'file'){ header('Content-Disposition: attachment; filename="'.rawurlencode($title).'.pdf";'); }else{ header('Content-Disposition: inline; filename="'.rawurlencode($title).'.pdf";'); } if (http_sendfile($cache->cache)) exit; $fp = @fopen($cache->cache,"rb"); if($fp){ http_rangeRequest($fp,filesize($cache->cache),'application/pdf'); }else{ header("HTTP/1.0 500 Internal Server Error"); print "Could not read file - bad permissions?"; } exit(); } /** * Choose the correct template */ protected function select_template(){ $tpl; if(isset($_REQUEST['tpl'])){ $tpl = trim(preg_replace('/[^A-Za-z0-9_\-]+/','',$_REQUEST['tpl'])); } if(!$tpl) $tpl = $this->getConf('template'); if(!$tpl) $tpl = 'default'; if(!is_dir(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl)) $tpl = 'default'; return $tpl; } /** * Load the various template files and prepare the HTML/CSS for insertion */ protected function load_template($tpl, $title){ global $ID; global $REV; global $conf; // this is what we'll return $output = array( 'html' => '', 'css' => '', 'page' => '', 'first' => '', 'last' => '', 'cite' => '', 'oe' => 0 ); // prepare header/footer elements $html = ''; foreach(array('header','footer') as $t){ foreach(array('','_odd','_even','_first','_last') as $h){ if(file_exists(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/'.$t.$h.'.html')){ $html .= ''.DOKU_LF; $html .= file_get_contents(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/'.$t.$h.'.html').DOKU_LF; $html .= ''.DOKU_LF; // register the needed pseudo CSS if($h == '_last'){ $output['last'] .= $t.': html_'.$t.$h.';'.DOKU_LF; }elseif($h == '_first'){ $output['first'] .= $t.': html_'.$t.$h.';'.DOKU_LF; }elseif($h == '_even'){ $output['page'] .= 'even-'.$t.'-name: html_'.$t.$h.';'.DOKU_LF; }elseif($h == '_odd'){ $output['page'] .= 'odd-'.$t.'-name: html_'.$t.$h.';'.DOKU_LF; }else{ $output['page'] .= $t.': html_'.$t.$h.';'.DOKU_LF; } } } } // prepare replacements $replace = array( '@ID@' => $ID, '@PAGE@' => '{PAGENO}', '@PAGES@' => '{nb}', '@TITLE@' => hsc($title), '@WIKI@' => $conf['title'], '@WIKIURL@' => DOKU_URL, '@UPDATE@' => dformat(filemtime(wikiFN($ID,$REV))), '@PAGEURL@' => wl($ID,($REV)?array('rev'=>$REV):false, true, "&"), '@DATE@' => dformat(time()), '@BASE@' => DOKU_BASE, '@TPLBASE@' => DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/', ); // set HTML element $output['html'] = str_replace(array_keys($replace), array_values($replace), $html); // citation box if(file_exists(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/citation.html')){ $output['cite'] = file_get_contents(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/citation.html'); $output['cite'] = str_replace(array_keys($replace), array_values($replace), $output['cite']); } // set custom styles if(file_exists(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/style.css')){ $output['css'] = file_get_contents(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/style.css'); } return $output; } /** * Fix up the HTML a bit * * FIXME This is far from perfect and most of it should be moved to * our own renderer instead of modifying the HTML at all. */ protected function arrangeHtml(&$html, $norendertags = '' ) { // insert a pagebreak for support of WRAP and PAGEBREAK plugins $html = str_replace('
','',$html); $html = str_replace('

','',$html); $html = str_replace('','',$html); } /** * Strip unwanted tags * * @fixme could this be done by strip_tags? * @author Jared Ong */ protected function strip_only(&$str, $tags) { if(!is_array($tags)) { $tags = (strpos($str, '>') !== false ? explode('>', str_replace('<', '', $tags)) : array($tags)); if(end($tags) == '') array_pop($tags); } foreach($tags as $tag) $str = preg_replace('#]*>#is', '', $str); } }