* @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 { private $tpl; /** * Constructor. Sets the correct template */ function __construct(){ $tpl; if(isset($_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'; $this->tpl = $tpl; } /** * Register the events */ function register(&$controller) { $controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'convert',array()); } /** * Do the HTML to PDF conversion work */ function convert(&$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']); } // prepare cache $cache = new cache(join(',',$list).$REV.$this->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'; $depends['files'] = array_merge($depends['files'], getConfigFiles('main')); // 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 = $this->load_template($title); // prepare HTML header styles $html = ''; $html .= ''; $html .= ''; $html .= $template['html']; $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 .= ''; } } $html .= '

'; $mpdf->WriteHTML($html); // write to cache file $mpdf->Output($cache->cache, 'F'); } // deliver the file header('Content-Type: application/pdf'); header('Cache-Control: must-revalidate, no-transform, post-check=0, pre-check=0'); header('Pragma: public'); http_conditionalRequest(filemtime($cache->cache)); $filename = rawurlencode(cleanID(strtr($title, ':/;"',' '))); if($this->getConf('output') == 'file'){ header('Content-Disposition: attachment; filename="'.$filename.'.pdf";'); }else{ header('Content-Disposition: inline; filename="'.$filename.'.pdf";'); } if (http_sendfile($cache->cache)) exit; $fp = @fopen($cache->cache,"rb"); if($fp){ http_rangeRequest($fp,filesize($cache->cache),'application/pdf'); }else{ header("HTTP/1.0 500 Internal Server Error"); print "Could not read file - bad permissions?"; } exit(); } /** * Load the various template files and prepare the HTML/CSS for insertion */ protected function load_template($title){ global $ID; global $REV; global $conf; $tpl = $this->tpl; // this is what we'll return $output = array( 'html' => '', 'css' => '', 'page' => '', 'first' => '', 'cite' => '', ); // prepare header/footer elements $html = ''; foreach(array('header','footer') as $t){ foreach(array('','_odd','_even','_first') 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 == '_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; } } } } // generate qr code for this page using google infographics api $qr_code = ''; if ($this->getConf('qrcodesize')) { $url = urlencode(wl($ID,'','&',true)); $qr_code = '

'; } // 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_BASE.'lib/plugins/dw2pdf/tpl/'.$tpl.'/', '@TPLBASE@' => DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/', '@QRCODE@' => $qr_code, ); // 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; } /** * Load all the style sheets and apply the needed replacements */ protected function load_css(){ //reusue the CSS dispatcher functions without triggering the main function define('SIMPLE_TEST',1); require_once(DOKU_INC.'lib/exe/css.php'); // prepare CSS files $files = array_merge( array( DOKU_INC.'lib/styles/screen.css' => DOKU_BASE.'lib/styles/', DOKU_INC.'lib/styles/print.css' => DOKU_BASE.'lib/styles/', ), css_pluginstyles('all'), $this->css_pluginPDFstyles(), array( DOKU_PLUGIN.'dw2pdf/conf/style.css' => DOKU_BASE.'lib/plugins/dw2pdf/conf/', DOKU_PLUGIN.'dw2pdf/tpl/'.$this->tpl.'/style.css' => DOKU_BASE.'lib/plugins/dw2pdf/tpl/'.$this->tpl.'/', DOKU_PLUGIN.'dw2pdf/conf/style.local.css' => DOKU_BASE.'lib/plugins/dw2pdf/conf/', ) ); $css = ''; foreach($files as $file => $location){ $css .= css_loadfile($file, $location); } // apply pattern replacements $css = css_applystyle($css,DOKU_INC.'lib/tpl/'.$conf['template'].'/'); return $css; } /** * Returns a list of possible Plugin PDF Styles * * Checks for a pdf.css, falls back to print.css * * @author Andreas Gohr */ function css_pluginPDFstyles(){ global $lang; $list = array(); $plugins = plugin_list(); $usestyle = explode(',',$this->getConf('usestyles')); foreach ($plugins as $p){ if(in_array($p,$usestyle)){ $list[DOKU_PLUGIN."$p/screen.css"] = DOKU_BASE."lib/plugins/$p/"; $list[DOKU_PLUGIN."$p/style.css"] = DOKU_BASE."lib/plugins/$p/"; } if(file_exists(DOKU_PLUGIN."$p/pdf.css")){ $list[DOKU_PLUGIN."$p/pdf.css"] = DOKU_BASE."lib/plugins/$p/"; }else{ $list[DOKU_PLUGIN."$p/print.css"] = DOKU_BASE."lib/plugins/$p/"; } } return $list; } }