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 use OpenEMR\Pdf\Config_Mpdf;
  23
  24 class PatientPortalPDFDocumentCreator
  25 {
  26     public function createPdfObject($htmlIn)
  27     {
  28         $config_mpdf = Config_Mpdf::getConfigMpdf();
  29         $pdf = new Mpdf($config_mpdf);
  30         if ($_SESSION['language_direction'] == 'rtl') {
  31             $pdf->SetDirectionality('rtl');
  32         }
  33
  34         // snatch style tags content to insert after content purified
  35         $style_flag = preg_match('#<\s*?style\b[^>]*>(.*?)</style\b[^>]*>#s', $htmlIn, $style_matches);
  36         $style = str_replace('<style type="text/css">', '<style>', $style_matches);
  37         $pos = stripos($htmlIn, "<style>");
  38         $pos1 = stripos($htmlIn, "</style>");
  39
  40         // purify html
  41         $config = HTMLPurifier_Config::createDefault();
  42         $config->set('URI.AllowedSchemes', array('data' => true, 'http' => true, 'https' => true));
  43         $purify = new \HTMLPurifier($config);
  44         $htmlIn = $purify->purify($htmlIn);
  45         // need to create custom stylesheet for templates
  46         // also our styles_pdf.scss isn't being compiled!!!
  47         // replace existing style tag in template after purifies removes! why!!!
  48         // e,g this scheme gets removed <html><head><body> etc
  49         $stylesheet = "<style>.signature {vertical-align: middle;max-height:65px; height:65px !important;width:auto !important;}</style>";
  50         if ($pos !== false && $pos1 !== false && !empty($style[0] ?? '')) {
  51             $stylesheet = str_replace('</style>', $stylesheet, $style[0]);
  52         }
  53         $htmlIn = "<!DOCTYPE html><html><head>" . $stylesheet . "</head><body>$htmlIn</body></html>";
  54         $pdf->writeHtml($htmlIn);
  55         return $pdf;
  56     }
  57     public function createPdfDocument($cpid, $formFilename, $documentCategory, $htmlIn): \Document
  58     {
  59
  60         $pdf = $this->createPdfObject($htmlIn);
  61         if (!$cpid) {
  62             throw new \InvalidArgumentException("Missing Patient ID");
  63             echo js_escape("ERROR " . xla("Missing Patient ID"));
  64             exit();
  65         }
  66         $data = $pdf->Output($formFilename, 'S');
  67         $d = new \Document();
  68         $rc = $d->createDocument($cpid, $documentCategory, $formFilename, 'application/pdf', $data);
  69         if (empty($rc)) {
  70             return $d;
  71         } else {
  72             throw new \RuntimeException("Failed to create document: " . $rc);
  73         }
  74     }
  75 }