1ee19bac3SLuigi Micco<?php 2ee19bac3SLuigi Micco /** 3ee19bac3SLuigi Micco * dw2Pdf Plugin: Conversion from dokuwiki content to pdf. 4ee19bac3SLuigi Micco * 5ee19bac3SLuigi Micco * @license GPL 2 (http://www.gnu.org/licenses/gpl.html) 6ee19bac3SLuigi Micco * @author Luigi Micco <l.micco@tiscali.it> 75db42babSAndreas Gohr * @author Andreas Gohr <andi@splitbrain.org> 8ee19bac3SLuigi Micco */ 9ee19bac3SLuigi Micco 10ee19bac3SLuigi Micco// must be run within Dokuwiki 11ee19bac3SLuigi Miccoif (!defined('DOKU_INC')) die(); 12ee19bac3SLuigi Miccoif (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN', DOKU_INC . 'lib/plugins/'); 13ee19bac3SLuigi Micco 141ef68647SAndreas Gohrclass action_plugin_dw2pdf extends DokuWiki_Action_Plugin { 15ee19bac3SLuigi Micco 161c14c879SAndreas Gohr private $tpl; 171c14c879SAndreas Gohr 181c14c879SAndreas Gohr /** 191c14c879SAndreas Gohr * Constructor. Sets the correct template 201c14c879SAndreas Gohr */ 211c14c879SAndreas Gohr function __construct(){ 221c14c879SAndreas Gohr $tpl; 231c14c879SAndreas Gohr if(isset($_REQUEST['tpl'])){ 241c14c879SAndreas Gohr $tpl = trim(preg_replace('/[^A-Za-z0-9_\-]+/','',$_REQUEST['tpl'])); 251c14c879SAndreas Gohr } 261c14c879SAndreas Gohr if(!$tpl) $tpl = $this->getConf('template'); 271c14c879SAndreas Gohr if(!$tpl) $tpl = 'default'; 281c14c879SAndreas Gohr if(!is_dir(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl)) $tpl = 'default'; 291c14c879SAndreas Gohr 301c14c879SAndreas Gohr $this->tpl = $tpl; 311c14c879SAndreas Gohr } 321c14c879SAndreas Gohr 33ee19bac3SLuigi Micco /** 34ee19bac3SLuigi Micco * Register the events 35ee19bac3SLuigi Micco */ 361ef68647SAndreas Gohr function register(&$controller) { 37ee19bac3SLuigi Micco $controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'convert',array()); 38ee19bac3SLuigi Micco } 39ee19bac3SLuigi Micco 401c14c879SAndreas Gohr /** 411c14c879SAndreas Gohr * Do the HTML to PDF conversion work 421c14c879SAndreas Gohr */ 431ef68647SAndreas Gohr function convert(&$event, $param) { 44ee19bac3SLuigi Micco global $ACT; 45ee19bac3SLuigi Micco global $REV; 46ee19bac3SLuigi Micco global $ID; 47ee19bac3SLuigi Micco global $conf; 48ee19bac3SLuigi Micco 491ef68647SAndreas Gohr // our event? 501ef68647SAndreas Gohr if (( $ACT != 'export_pdfbook' ) && ( $ACT != 'export_pdf' )) return false; 51ee19bac3SLuigi Micco 521ef68647SAndreas Gohr // check user's rights 531ef68647SAndreas Gohr if ( auth_quickaclcheck($ID) < AUTH_READ ) return false; 541ef68647SAndreas Gohr 551ef68647SAndreas Gohr // it's ours, no one else's 56ee19bac3SLuigi Micco $event->preventDefault(); 57ee19bac3SLuigi Micco 5887c86ddaSAndreas Gohr // one or multiple pages? 5987c86ddaSAndreas Gohr $list = array(); 6087c86ddaSAndreas Gohr if ( $ACT == 'export_pdf' ) { 6187c86ddaSAndreas Gohr $list[0] = $ID; 6287c86ddaSAndreas Gohr } elseif (isset($_COOKIE['list-pagelist'])) { 6387c86ddaSAndreas Gohr $list = explode("|", $_COOKIE['list-pagelist']); 6487c86ddaSAndreas Gohr } 6587c86ddaSAndreas Gohr 6687c86ddaSAndreas Gohr // prepare cache 671c14c879SAndreas Gohr $cache = new cache(join(',',$list).$REV.$this->tpl,'.dw2.pdf'); 6887c86ddaSAndreas Gohr $depends['files'] = array_map('wikiFN',$list); 6987c86ddaSAndreas Gohr $depends['files'][] = __FILE__; 7087c86ddaSAndreas Gohr $depends['files'][] = dirname(__FILE__).'/renderer.php'; 7187c86ddaSAndreas Gohr $depends['files'][] = dirname(__FILE__).'/mpdf/mpdf.php'; 7287c86ddaSAndreas Gohr 73d01d2a42SAndreas Gohr // hard work only when no cache available 7487c86ddaSAndreas Gohr if(!$this->getConf('usecache') || !$cache->useCache($depends)){ 751ef68647SAndreas Gohr // initialize PDF library 76cde5a1b3SAndreas Gohr require_once(dirname(__FILE__)."/DokuPDF.class.php"); 771ef68647SAndreas Gohr $mpdf = new DokuPDF(); 78ee19bac3SLuigi Micco 79d62df65bSAndreas Gohr // let mpdf fix local links 80d62df65bSAndreas Gohr $self = parse_url(DOKU_URL); 81d62df65bSAndreas Gohr $url = $self['scheme'].'://'.$self['host']; 82d62df65bSAndreas Gohr if($self['port']) $url .= ':'.$port; 83d62df65bSAndreas Gohr $mpdf->setBasePath($url); 84d62df65bSAndreas Gohr 8556d13144SAndreas Gohr // Set the title 8656d13144SAndreas Gohr $title = $_GET['pdfbook_title']; 8756d13144SAndreas Gohr if(!$title) $title = p_get_first_heading($ID); 8856d13144SAndreas Gohr $mpdf->SetTitle($title); 8956d13144SAndreas Gohr 901ef68647SAndreas Gohr // some default settings 91daa70883SAndreas Gohr $mpdf->mirrorMargins = 1; 92daa70883SAndreas Gohr $mpdf->useOddEven = 1; 93daa70883SAndreas Gohr $mpdf->setAutoTopMargin = 'stretch'; 94daa70883SAndreas Gohr $mpdf->setAutoBottomMargin = 'stretch'; 952eedf77dSAndreas Gohr 9656d13144SAndreas Gohr // load the template 971c14c879SAndreas Gohr $template = $this->load_template($title); 98ee19bac3SLuigi Micco 991ef68647SAndreas Gohr // prepare HTML header styles 100ee19bac3SLuigi Micco $html = '<html><head>'; 1011ef68647SAndreas Gohr $html .= '<style>'; 1021c14c879SAndreas Gohr $html .= $this->load_css(); 103daa70883SAndreas Gohr $html .= '@page { size:auto; '.$template['page'].'}'; 1042eedf77dSAndreas Gohr $html .= '@page :first {'.$template['first'].'}'; 1052eedf77dSAndreas Gohr $html .= '@page :last {'.$template['last'].'}'; 1062eedf77dSAndreas Gohr $html .= $template['css']; 1071ef68647SAndreas Gohr $html .= '</style>'; 1081ef68647SAndreas Gohr $html .= '</head><body>'; 1092eedf77dSAndreas Gohr $html .= $template['html']; 1101c14c879SAndreas Gohr $html .= '<div class="dokuwiki">'; 1112eedf77dSAndreas Gohr 1121ef68647SAndreas Gohr // loop over all pages 1131ef68647SAndreas Gohr $cnt = count($list); 1141ef68647SAndreas Gohr for($n=0; $n<$cnt; $n++){ 115ee19bac3SLuigi Micco $page = $list[$n]; 116ee19bac3SLuigi Micco 117a876b55bSAndreas Gohr $html .= p_cached_output(wikiFN($page,$REV),'dw2pdf',$page); 1182eedf77dSAndreas Gohr $html .= $template['cite']; 1191ef68647SAndreas Gohr if ($n < ($cnt - 1)){ 1201ef68647SAndreas Gohr $html .= '<pagebreak />'; 1211ef68647SAndreas Gohr } 122ee19bac3SLuigi Micco } 123ee19bac3SLuigi Micco 1241c14c879SAndreas Gohr $html .= '</div>'; 125ee19bac3SLuigi Micco $mpdf->WriteHTML($html); 126a06728a6SAndreas Gohr 12787c86ddaSAndreas Gohr // write to cache file 12887c86ddaSAndreas Gohr $mpdf->Output($cache->cache, 'F'); 12987c86ddaSAndreas Gohr } 13087c86ddaSAndreas Gohr 13187c86ddaSAndreas Gohr // deliver the file 13287c86ddaSAndreas Gohr header('Content-Type: application/pdf'); 13387c86ddaSAndreas Gohr header('Expires: '.gmdate("D, d M Y H:i:s", time()+max($conf['cachetime'], 3600)).' GMT'); 13487c86ddaSAndreas Gohr header('Cache-Control: public, proxy-revalidate, no-transform, max-age='.max($conf['cachetime'], 3600)); 13587c86ddaSAndreas Gohr header('Pragma: public'); 13687c86ddaSAndreas Gohr http_conditionalRequest(filemtime($cache->cache)); 13787c86ddaSAndreas Gohr 13887c86ddaSAndreas Gohr if($this->getConf('output') == 'file'){ 13956d13144SAndreas Gohr header('Content-Disposition: attachment; filename="'.rawurlencode($title).'.pdf";'); 14087c86ddaSAndreas Gohr }else{ 14156d13144SAndreas Gohr header('Content-Disposition: inline; filename="'.rawurlencode($title).'.pdf";'); 14287c86ddaSAndreas Gohr } 143ee19bac3SLuigi Micco 14487c86ddaSAndreas Gohr if (http_sendfile($cache->cache)) exit; 14587c86ddaSAndreas Gohr 14687c86ddaSAndreas Gohr $fp = @fopen($cache->cache,"rb"); 14787c86ddaSAndreas Gohr if($fp){ 14887c86ddaSAndreas Gohr http_rangeRequest($fp,filesize($cache->cache),'application/pdf'); 14987c86ddaSAndreas Gohr }else{ 15087c86ddaSAndreas Gohr header("HTTP/1.0 500 Internal Server Error"); 15187c86ddaSAndreas Gohr print "Could not read file - bad permissions?"; 15287c86ddaSAndreas Gohr } 1531ef68647SAndreas Gohr exit(); 1541ef68647SAndreas Gohr } 1551ef68647SAndreas Gohr 156d01d2a42SAndreas Gohr 157d01d2a42SAndreas Gohr /** 1582eedf77dSAndreas Gohr * Load the various template files and prepare the HTML/CSS for insertion 1591ef68647SAndreas Gohr */ 1601c14c879SAndreas Gohr protected function load_template($title){ 1611ef68647SAndreas Gohr global $ID; 1621ef68647SAndreas Gohr global $REV; 1631ef68647SAndreas Gohr global $conf; 1641c14c879SAndreas Gohr $tpl = $this->tpl; 1651ef68647SAndreas Gohr 1662eedf77dSAndreas Gohr // this is what we'll return 1672eedf77dSAndreas Gohr $output = array( 1682eedf77dSAndreas Gohr 'html' => '', 1692eedf77dSAndreas Gohr 'css' => '', 1702eedf77dSAndreas Gohr 'page' => '', 1712eedf77dSAndreas Gohr 'first' => '', 1722eedf77dSAndreas Gohr 'last' => '', 1732eedf77dSAndreas Gohr 'cite' => '', 174daa70883SAndreas Gohr 'oe' => 0 1752eedf77dSAndreas Gohr ); 1762eedf77dSAndreas Gohr 1772eedf77dSAndreas Gohr // prepare header/footer elements 1782eedf77dSAndreas Gohr $html = ''; 1792eedf77dSAndreas Gohr foreach(array('header','footer') as $t){ 1802eedf77dSAndreas Gohr foreach(array('','_odd','_even','_first','_last') as $h){ 1812eedf77dSAndreas Gohr if(file_exists(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/'.$t.$h.'.html')){ 1822eedf77dSAndreas Gohr $html .= '<htmlpage'.$t.' name="'.$t.$h.'">'.DOKU_LF; 1832eedf77dSAndreas Gohr $html .= file_get_contents(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/'.$t.$h.'.html').DOKU_LF; 1842eedf77dSAndreas Gohr $html .= '</htmlpage'.$t.'>'.DOKU_LF; 1852eedf77dSAndreas Gohr 1862eedf77dSAndreas Gohr // register the needed pseudo CSS 1872eedf77dSAndreas Gohr if($h == '_last'){ 1882eedf77dSAndreas Gohr $output['last'] .= $t.': html_'.$t.$h.';'.DOKU_LF; 1892eedf77dSAndreas Gohr }elseif($h == '_first'){ 1902eedf77dSAndreas Gohr $output['first'] .= $t.': html_'.$t.$h.';'.DOKU_LF; 1912eedf77dSAndreas Gohr }elseif($h == '_even'){ 1922eedf77dSAndreas Gohr $output['page'] .= 'even-'.$t.'-name: html_'.$t.$h.';'.DOKU_LF; 193daa70883SAndreas Gohr }elseif($h == '_odd'){ 1942eedf77dSAndreas Gohr $output['page'] .= 'odd-'.$t.'-name: html_'.$t.$h.';'.DOKU_LF; 195daa70883SAndreas Gohr }else{ 196daa70883SAndreas Gohr $output['page'] .= $t.': html_'.$t.$h.';'.DOKU_LF; 1972eedf77dSAndreas Gohr } 1982eedf77dSAndreas Gohr } 1992eedf77dSAndreas Gohr } 2002eedf77dSAndreas Gohr } 2012eedf77dSAndreas Gohr 2021ef68647SAndreas Gohr // prepare replacements 2031ef68647SAndreas Gohr $replace = array( 2041ef68647SAndreas Gohr '@ID@' => $ID, 2051ef68647SAndreas Gohr '@PAGE@' => '{PAGENO}', 2061ef68647SAndreas Gohr '@PAGES@' => '{nb}', 2072eedf77dSAndreas Gohr '@TITLE@' => hsc($title), 2081ef68647SAndreas Gohr '@WIKI@' => $conf['title'], 2091ef68647SAndreas Gohr '@WIKIURL@' => DOKU_URL, 2103ae7a8dfSAndreas Gohr '@UPDATE@' => dformat(filemtime(wikiFN($ID,$REV))), 2113ae7a8dfSAndreas Gohr '@PAGEURL@' => wl($ID,($REV)?array('rev'=>$REV):false, true, "&"), 2121ef68647SAndreas Gohr '@DATE@' => dformat(time()), 2135d6fbaeaSAndreas Gohr '@BASE@' => DOKU_BASE, 2145d6fbaeaSAndreas Gohr '@TPLBASE@' => DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/', 2151ef68647SAndreas Gohr ); 2161ef68647SAndreas Gohr 2172eedf77dSAndreas Gohr // set HTML element 2182eedf77dSAndreas Gohr $output['html'] = str_replace(array_keys($replace), array_values($replace), $html); 2191ef68647SAndreas Gohr 2202eedf77dSAndreas Gohr // citation box 2212eedf77dSAndreas Gohr if(file_exists(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/citation.html')){ 2222eedf77dSAndreas Gohr $output['cite'] = file_get_contents(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/citation.html'); 2232eedf77dSAndreas Gohr $output['cite'] = str_replace(array_keys($replace), array_values($replace), $output['cite']); 2242eedf77dSAndreas Gohr } 2251ef68647SAndreas Gohr 2262eedf77dSAndreas Gohr // set custom styles 2272eedf77dSAndreas Gohr if(file_exists(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/style.css')){ 2282eedf77dSAndreas Gohr $output['css'] = file_get_contents(DOKU_PLUGIN.'dw2pdf/tpl/'.$tpl.'/style.css'); 2292eedf77dSAndreas Gohr } 2302eedf77dSAndreas Gohr 2312eedf77dSAndreas Gohr return $output; 2321ef68647SAndreas Gohr } 2331ef68647SAndreas Gohr 2341ef68647SAndreas Gohr /** 2351c14c879SAndreas Gohr * Load all the style sheets and apply the needed replacements 2361ef68647SAndreas Gohr */ 2371c14c879SAndreas Gohr protected function load_css(){ 2381c14c879SAndreas Gohr //reusue the CSS dispatcher functions without triggering the main function 2391c14c879SAndreas Gohr define('SIMPLE_TEST',1); 2401c14c879SAndreas Gohr require_once(DOKU_INC.'lib/exe/css.php'); 241ee19bac3SLuigi Micco 2421c14c879SAndreas Gohr // prepare CSS files 2431c14c879SAndreas Gohr $files = array_merge( 2441c14c879SAndreas Gohr array( 2451c14c879SAndreas Gohr DOKU_INC.'lib/styles/screen.css' 2461c14c879SAndreas Gohr => DOKU_BASE.'lib/styles/', 2471c14c879SAndreas Gohr DOKU_INC.'lib/styles/print.css' 2481c14c879SAndreas Gohr => DOKU_BASE.'lib/styles/', 2491c14c879SAndreas Gohr ), 2501c14c879SAndreas Gohr css_pluginstyles('all'), 251*58e6409eSAndreas Gohr $this->css_pluginPDFstyles(), 2521c14c879SAndreas Gohr array( 2531c14c879SAndreas Gohr DOKU_PLUGIN.'dw2pdf/conf/style.css' 2541c14c879SAndreas Gohr => DOKU_BASE.'lib/plugins/dw2pdf/conf/', 2551c14c879SAndreas Gohr DOKU_PLUGIN.'dw2pdf/tpl/'.$this->tpl.'/style.css' 2561c14c879SAndreas Gohr => DOKU_BASE.'lib/plugins/dw2pdf/tpl/'.$this->tpl.'/', 2571c14c879SAndreas Gohr DOKU_PLUGIN.'dw2pdf/conf/style.local.css' 2581c14c879SAndreas Gohr => DOKU_BASE.'lib/plugins/dw2pdf/conf/', 2591c14c879SAndreas Gohr ) 2601c14c879SAndreas Gohr ); 2611ef68647SAndreas Gohr 2621c14c879SAndreas Gohr $css = ''; 2631c14c879SAndreas Gohr foreach($files as $file => $location){ 2641c14c879SAndreas Gohr $css .= css_loadfile($file, $location); 2651ef68647SAndreas Gohr } 2661ef68647SAndreas Gohr 2671c14c879SAndreas Gohr // apply pattern replacements 2681c14c879SAndreas Gohr $css = css_applystyle($css,DOKU_INC.'lib/tpl/'.$conf['template'].'/'); 2691ef68647SAndreas Gohr 2701c14c879SAndreas Gohr return $css; 271ee19bac3SLuigi Micco } 2721c14c879SAndreas Gohr 273*58e6409eSAndreas Gohr 274*58e6409eSAndreas Gohr /** 275*58e6409eSAndreas Gohr * Returns a list of possible Plugin PDF Styles 276*58e6409eSAndreas Gohr * 277*58e6409eSAndreas Gohr * Checks for a pdf.css, falls back to print.css 278*58e6409eSAndreas Gohr * 279*58e6409eSAndreas Gohr * @author Andreas Gohr <andi@splitbrain.org> 280*58e6409eSAndreas Gohr */ 281*58e6409eSAndreas Gohr function css_pluginPDFstyles(){ 282*58e6409eSAndreas Gohr global $lang; 283*58e6409eSAndreas Gohr $list = array(); 284*58e6409eSAndreas Gohr $plugins = plugin_list(); 285*58e6409eSAndreas Gohr foreach ($plugins as $p){ 286*58e6409eSAndreas Gohr if(file_exists(DOKU_PLUGIN."$p/pdf.css")){ 287*58e6409eSAndreas Gohr $list[DOKU_PLUGIN."$p/pdf.css"] = DOKU_BASE."lib/plugins/$p/"; 288*58e6409eSAndreas Gohr }else{ 289*58e6409eSAndreas Gohr $list[DOKU_PLUGIN."$p/print.css"] = DOKU_BASE."lib/plugins/$p/"; 290*58e6409eSAndreas Gohr } 291*58e6409eSAndreas Gohr } 292*58e6409eSAndreas Gohr return $list; 293*58e6409eSAndreas Gohr } 294*58e6409eSAndreas Gohr 295ee19bac3SLuigi Micco} 296