11ef68647SAndreas Gohr<?php 25db42babSAndreas Gohr/** 35db42babSAndreas Gohr * Wrapper around the mpdf library class 45db42babSAndreas Gohr * 55db42babSAndreas Gohr * This class overrides some functions to make mpdf make use of DokuWiki' 65db42babSAndreas Gohr * standard tools instead of its own. 75db42babSAndreas Gohr * 85db42babSAndreas Gohr * @author Andreas Gohr <andi@splitbrain.org> 95db42babSAndreas Gohr */ 101ef68647SAndreas Gohr 11b2853a2aSAndreas Gohrif(!defined('_MPDF_TEMP_PATH')) define('_MPDF_TEMP_PATH', $conf['tmpdir']); 12b2853a2aSAndreas Gohrif(!defined('_MPDF_TTFONTDATAPATH')) define('_MPDF_TTFONTDATAPATH',$conf['cachedir'].'/mpdf_ttf/'); 131ef68647SAndreas Gohrrequire_once(dirname(__FILE__)."/mpdf/mpdf.php"); 141ef68647SAndreas Gohr 151ef68647SAndreas Gohrclass DokuPDF extends mpdf { 161ef68647SAndreas Gohr 171ef68647SAndreas Gohr function __construct(){ 18b2853a2aSAndreas Gohr io_mkdir_p(_MPDF_TTFONTDATAPATH); 191ef68647SAndreas Gohr 201ef68647SAndreas Gohr // we're always UTF-8 211ef68647SAndreas Gohr parent::__construct('UTF-8-s'); 221ef68647SAndreas Gohr $this->SetAutoFont(AUTOFONT_ALL); 231ef68647SAndreas Gohr $this->ignore_invalid_utf8 = true; 241ef68647SAndreas Gohr 251ef68647SAndreas Gohr } 261ef68647SAndreas Gohr 27a06728a6SAndreas Gohr /** 28a06728a6SAndreas Gohr * Decode all paths, since DokuWiki uses XHTML compliant URLs 29a06728a6SAndreas Gohr */ 30a06728a6SAndreas Gohr function GetFullPath(&$path,$basepath=''){ 31a06728a6SAndreas Gohr $path = htmlspecialchars_decode($path); 32a06728a6SAndreas Gohr parent::GetFullPath($path, $basepath); 33a06728a6SAndreas Gohr } 341ef68647SAndreas Gohr 351ef68647SAndreas Gohr /** 361ef68647SAndreas Gohr * Override the mpdf _getImage function 371ef68647SAndreas Gohr * 381ef68647SAndreas Gohr * This function takes care of gathering the image data from HTTP or 391ef68647SAndreas Gohr * local files before passing the data back to mpdf's original function 401ef68647SAndreas Gohr * making sure that only cached file paths are passed to mpdf. It also 411ef68647SAndreas Gohr * takes care of checking image ACls. 421ef68647SAndreas Gohr */ 431ef68647SAndreas Gohr function _getImage(&$file, $firsttime=true, $allowvector=true, $orig_srcpath=false){ 441ef68647SAndreas Gohr list($ext,$mime) = mimetype($file); 45*bfbc63f7SAndreas Gohr 461ef68647SAndreas Gohr // build regex to parse URL back to media info 471ef68647SAndreas Gohr $re = preg_quote(ml('xxx123yyy'),'/'); 4808b99b84SAndreas Gohr $re = str_replace('xxx123yyy','([^&\?]*)',$re); 491ef68647SAndreas Gohr 50*bfbc63f7SAndreas Gohr // extract the real media from a fetch.php uri and determine mime 5108b99b84SAndreas Gohr if(preg_match("/$re/",$file,$m) || 5208b99b84SAndreas Gohr preg_match('/[&\?]media=([^&\?]*)/',$file,$m)){ 531ef68647SAndreas Gohr $media = rawurldecode($m[1]); 54*bfbc63f7SAndreas Gohr list($ext,$mime) = mimetype($media); 55*bfbc63f7SAndreas Gohr }else{ 56*bfbc63f7SAndreas Gohr list($ext,$mime) = mimetype($file); 57*bfbc63f7SAndreas Gohr } 581ef68647SAndreas Gohr 59*bfbc63f7SAndreas Gohr if(substr($mime,0,6) == 'image/'){ 60*bfbc63f7SAndreas Gohr if(!empty($media)){ 61*bfbc63f7SAndreas Gohr // any size restrictions? 6208b99b84SAndreas Gohr if(preg_match('/[\?&]w=(\d+)/',$file, $m)) $w = $m[1]; 6308b99b84SAndreas Gohr if(preg_match('/[\?&]h=(\d+)/',$file, $m)) $h = $m[1]; 6408b99b84SAndreas Gohr 6508b99b84SAndreas Gohr if(preg_match('/^https?:\/\//',$media)){ 6608b99b84SAndreas Gohr $local = media_get_from_URL($media,$ext,-1); 6708b99b84SAndreas Gohr if(!$local) $local = $media; // let mpdf try again 681ef68647SAndreas Gohr }else{ 691ef68647SAndreas Gohr $media = cleanID($media); 701ef68647SAndreas Gohr //check permissions (namespace only) 711ef68647SAndreas Gohr if(auth_quickaclcheck(getNS($media).':X') < AUTH_READ){ 721ef68647SAndreas Gohr $file = ''; 731ef68647SAndreas Gohr } 741ef68647SAndreas Gohr $local = mediaFN($media); 751ef68647SAndreas Gohr } 761ef68647SAndreas Gohr 771ef68647SAndreas Gohr //handle image resizing/cropping 781ef68647SAndreas Gohr if($w){ 7908b99b84SAndreas Gohr if($h){ 801ef68647SAndreas Gohr $local = media_crop_image($local,$ext,$w,$h); 811ef68647SAndreas Gohr }else{ 821ef68647SAndreas Gohr $local = media_resize_image($local,$ext,$w,$h); 831ef68647SAndreas Gohr } 841ef68647SAndreas Gohr } 8508b99b84SAndreas Gohr }elseif(preg_match('/^https?:\/\//',$file)){ // fixed external URLs 8608b99b84SAndreas Gohr $local = media_get_from_URL($file,$ext,$conf['cachetime']); 871ef68647SAndreas Gohr } 881ef68647SAndreas Gohr 891ef68647SAndreas Gohr if($local){ 90a06728a6SAndreas Gohr $file = $local; 911ef68647SAndreas Gohr $orig_srcpath = $local; 921ef68647SAndreas Gohr } 931ef68647SAndreas Gohr } 941ef68647SAndreas Gohr 951ef68647SAndreas Gohr return parent::_getImage($file, $firsttime, $allowvector, $orig_srcpath); 961ef68647SAndreas Gohr } 971ef68647SAndreas Gohr 981ef68647SAndreas Gohr} 99