src/Pdf/PatientPortalPDFDocumentCreator.php

   1 <?php
   2
   3 /**
   4  * PatientPortalPDFDocumentCreator is used for generating pdf documents from html documents that have been submitted
   5  * via a patient either from the patient portal or in a patient smart app.
   6  *
   7  * @package   OpenEMR
   8  * @link      https://www.open-emr.org
   9  * @author    Jerry Padgett <sjpadgett@gmail.com>
  10  * @author    Brady Miller <brady.g.miller@gmail.com>
  11  * @author    Discover and Change, Inc. <snielson@discoverandchange.com>
  12  * @copyright Copyright (c) 2016-2022 Jerry Padgett <sjpadgett@gmail.com>
  13  * @copyright Copyright (c) 2019 Brady Miller <brady.g.miller@gmail.com>
  14  * @copyright Copyright (c) 2023 Discover and Change, Inc. <snielson@discoverandchange.com>
  15  * @license   https://github.com/openemr/openemr/blob/master/LICENSE GNU General Public License 3
  16  */
  17
  18 namespace OpenEMR\Pdf;
  19
  20 use Mpdf\Mpdf;
  21 use HTMLPurifier_Config;
  22
  23 class PatientPortalPDFDocumentCreator
  24 {
  25     public function createPdfObject($htmlIn)
  26     {
  27         $config_mpdf = array(
  28             'tempDir' => $GLOBALS['MPDF_WRITE_DIR'],
  29             'mode' => $GLOBALS['pdf_language'],
  30             'format' => $GLOBALS['pdf_size'],
  31             'default_font_size' => '9',
  32             'default_font' => 'dejavusans',
  33             'margin_left' => $GLOBALS['pdf_left_margin'],
  34             'margin_right' => $GLOBALS['pdf_right_margin'],
  35             'margin_top' => $GLOBALS['pdf_top_margin'],
  36             'margin_bottom' => $GLOBALS['pdf_bottom_margin'],
  37             'margin_header' => '',
  38             'margin_footer' => '',
  39             'orientation' => $GLOBALS['pdf_layout'],
  40             'shrink_tables_to_fit' => 1,
  41             'use_kwt' => true,
  42             'autoScriptToLang' => true,
  43             'keep_table_proportions' => true
  44         );
  45
  46         $pdf = new Mpdf($config_mpdf);
  47         if ($_SESSION['language_direction'] == 'rtl') {
  48             $pdf->SetDirectionality('rtl');
  49         }
  50
  51         // snatch style tags content to insert after content purified
  52         $style_flag = preg_match('#<\s*?style\b[^>]*>(.*?)</style\b[^>]*>#s', $htmlIn, $style_matches);
  53         $style = str_replace('<style type="text/css">', '<style>', $style_matches);
  54         $pos = stripos($htmlIn, "<style>");
  55         $pos1 = stripos($htmlIn, "</style>");
  56
  57         // purify html
  58         $config = HTMLPurifier_Config::createDefault();
  59         $config->set('URI.AllowedSchemes', array('data' => true, 'http' => true, 'https' => true));
  60         $purify = new \HTMLPurifier($config);
  61         $htmlIn = $purify->purify($htmlIn);
  62         // need to create custom stylesheet for templates
  63         // also our styles_pdf.scss isn't being compiled!!!
  64         // replace existing style tag in template after purifies removes! why!!!
  65         // e,g this scheme gets removed <html><head><body> etc
  66         $stylesheet = "<style>.signature {vertical-align: middle;max-height:65px; height:65px !important;width:auto !important;}</style>";
  67         if ($pos !== false && $pos1 !== false && !empty($style[0] ?? '')) {
  68             $stylesheet = str_replace('</style>', $stylesheet, $style[0]);
  69         }
  70         $htmlIn = "<!DOCTYPE html><html><head>" . $stylesheet . "</head><body>$htmlIn</body></html>";
  71         $pdf->writeHtml($htmlIn);
  72         return $pdf;
  73     }
  74     public function createPdfDocument($cpid, $formFilename, $documentCategory, $htmlIn)
  75     {
  76
  77         $pdf = $this->createPdfObject($htmlIn);
  78         if (!$cpid) {
  79             throw new \InvalidArgumentException("Missing Patient ID");
  80             echo js_escape("ERROR " . xla("Missing Patient ID"));
  81             exit();
  82         }
  83         $data = $pdf->Output($formFilename, 'S');
  84         $d = new \Document();
  85         $rc = $d->createDocument($cpid, $documentCategory, $formFilename, 'application/pdf', $data);
  86         return $rc;
  87     }
  88 }