xref: /plugin/dw2pdf/DokuPDF.class.php (revision 08b99b846efc360284035e89fb01653149ae33a4)
11ef68647SAndreas Gohr<?php
21ef68647SAndreas Gohr
31ef68647SAndreas Gohrrequire_once(dirname(__FILE__)."/mpdf/mpdf.php");
41ef68647SAndreas Gohr
51ef68647SAndreas Gohrclass DokuPDF extends mpdf {
61ef68647SAndreas Gohr
71ef68647SAndreas Gohr    function __construct(){
81ef68647SAndreas Gohr        global $conf;
91ef68647SAndreas Gohr        if(!defined('_MPDF_TEMP_PATH')) define("_MPDF_TEMP_PATH", $conf['tmpdir']);
101ef68647SAndreas Gohr
111ef68647SAndreas Gohr        // we're always UTF-8
121ef68647SAndreas Gohr        parent::__construct('UTF-8-s');
131ef68647SAndreas Gohr        $this->SetAutoFont(AUTOFONT_ALL);
141ef68647SAndreas Gohr        $this->ignore_invalid_utf8 = true;
151ef68647SAndreas Gohr
161ef68647SAndreas Gohr        // allimage sources are local (see _getImage)
17*08b99b84SAndreas Gohr        $this->basepathIsLocal = 1;
181ef68647SAndreas Gohr    }
191ef68647SAndreas Gohr
201ef68647SAndreas Gohr
211ef68647SAndreas Gohr    /**
221ef68647SAndreas Gohr     * Override the mpdf _getImage function
231ef68647SAndreas Gohr     *
241ef68647SAndreas Gohr     * This function takes care of gathering the image data from HTTP or
251ef68647SAndreas Gohr     * local files before passing the data back to mpdf's original function
261ef68647SAndreas Gohr     * making sure that only cached file paths are passed to mpdf. It also
271ef68647SAndreas Gohr     * takes care of checking image ACls.
281ef68647SAndreas Gohr     */
291ef68647SAndreas Gohr    function _getImage(&$file, $firsttime=true, $allowvector=true, $orig_srcpath=false){
301ef68647SAndreas Gohr        list($ext,$mime) = mimetype($file);
311ef68647SAndreas Gohr        if(substr($mime,0,6) == 'image/'){
321ef68647SAndreas Gohr            // build regex to parse URL back to media info
331ef68647SAndreas Gohr            $re = preg_quote(ml('xxx123yyy'),'/');
34*08b99b84SAndreas Gohr            $re = str_replace('xxx123yyy','([^&\?]*)',$re);
351ef68647SAndreas Gohr
36*08b99b84SAndreas Gohr
37*08b99b84SAndreas Gohr            if(preg_match("/$re/",$file,$m) ||
38*08b99b84SAndreas Gohr               preg_match('/[&\?]media=([^&\?]*)/',$file,$m)){
391ef68647SAndreas Gohr                $media = rawurldecode($m[1]);
401ef68647SAndreas Gohr
41*08b99b84SAndreas Gohr                if(preg_match('/[\?&]w=(\d+)/',$file, $m)) $w = $m[1];
42*08b99b84SAndreas Gohr                if(preg_match('/[\?&]h=(\d+)/',$file, $m)) $h = $m[1];
43*08b99b84SAndreas Gohr
44*08b99b84SAndreas Gohr                if(preg_match('/^https?:\/\//',$media)){
45*08b99b84SAndreas Gohr                    $local = media_get_from_URL($media,$ext,-1);
46*08b99b84SAndreas Gohr                    if(!$local) $local = $media; // let mpdf try again
471ef68647SAndreas Gohr                }else{
481ef68647SAndreas Gohr                    $media = cleanID($media);
491ef68647SAndreas Gohr                    //check permissions (namespace only)
501ef68647SAndreas Gohr                    if(auth_quickaclcheck(getNS($media).':X') < AUTH_READ){
511ef68647SAndreas Gohr                        $file = '';
521ef68647SAndreas Gohr                    }
531ef68647SAndreas Gohr                    $local  = mediaFN($media);
541ef68647SAndreas Gohr                }
551ef68647SAndreas Gohr
561ef68647SAndreas Gohr                //handle image resizing/cropping
571ef68647SAndreas Gohr                if($w){
58*08b99b84SAndreas Gohr                    if($h){
591ef68647SAndreas Gohr                        $local = media_crop_image($local,$ext,$w,$h);
601ef68647SAndreas Gohr                    }else{
611ef68647SAndreas Gohr                        $local = media_resize_image($local,$ext,$w,$h);
621ef68647SAndreas Gohr                    }
631ef68647SAndreas Gohr                }
64*08b99b84SAndreas Gohr            }elseif(preg_match('/^https?:\/\//',$file)){ // fixed external URLs
65*08b99b84SAndreas Gohr                $local = media_get_from_URL($file,$ext,$conf['cachetime']);
661ef68647SAndreas Gohr            }
671ef68647SAndreas Gohr
681ef68647SAndreas Gohr            if($local){
691ef68647SAndreas Gohr                $orig_srcpath = $local;
701ef68647SAndreas Gohr            }
711ef68647SAndreas Gohr        }
721ef68647SAndreas Gohr
731ef68647SAndreas Gohr        return parent::_getImage($file, $firsttime, $allowvector, $orig_srcpath);
741ef68647SAndreas Gohr    }
751ef68647SAndreas Gohr
761ef68647SAndreas Gohr}
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