Merge pull request #28 from MyvTsv/ticket37471

fix(export): images missing in exported Knowledge Base PDF

Author: Rom1-B

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [UNRELEASE]
 
+- Fix missing images in exported Knowledge Base PDFs
+
 ## [4.0.1] - 2025-03-10
 
 ### Added

inc/knowbaseitem.class.php

@@ -77,12 +77,23 @@ public static function pdfMain(PluginPdfSimplePDF $pdf, KnowbaseItem $item)
             'UTF-8',
         )));
 
-        $answer
-        = Toolbox::stripTags(Glpi\Toolbox\Sanitizer::unsanitize(html_entity_decode(
-            $item->getField('answer'),
-            ENT_QUOTES,
-            'UTF-8',
-        )));
+        $answer = Glpi\Toolbox\Sanitizer::unsanitize(Html::entity_decode_deep($item->getField('answer')));
+        $answer = preg_replace('#data:image/[^;]+;base64,#', '@', $answer);
+
+        preg_match_all('/<img [^>]*src=[\'"]([^\'"]*docid=([0-9]*))[^>]*>/', $answer, $res, PREG_SET_ORDER);
+
+        foreach ($res as $img) {
+            $docimg = new Document();
+            $docimg->getFromDB((int) $img[2]);
+            $width = null;
+
+            if (preg_match('/\bwidth=["\']?(\d+)/i', $img[0], $match_width)) {
+                $width = $match_width[1];
+            }
+
+            $path    = '<img src="file://' . GLPI_DOC_DIR . '/' . $docimg->fields['filepath'] . '" width="' . $width . '"/>';
+            $answer = str_replace($img[0], $path, $answer);
+        }
 
         $pdf->setColumnsSize(100);