From 3166541002069cd3252b8e7a79c8d3f88c1d0a6c Mon Sep 17 00:00:00 2001
From: Dan Brown <ssddanbrown@googlemail.com>
Date: Wed, 27 Oct 2021 12:29:01 +0100
Subject: [PATCH] Added test to cover #3010

---
 tests/Entity/PageContentTest.php | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/tests/Entity/PageContentTest.php b/tests/Entity/PageContentTest.php
index ca2a24131..47a3c9c13 100644
--- a/tests/Entity/PageContentTest.php
+++ b/tests/Entity/PageContentTest.php
@@ -608,6 +608,21 @@ class PageContentTest extends TestCase
         $this->assertStringContainsString('<img src=""', $page->html);
     }
 
+    // Relevant to https://github.com/BookStackApp/BookStack/issues/3010
+    public function test_base64_images_within_html_blanked_if_extension_incorrect_but_prefix_matches_correct_extension()
+    {
+        $this->asEditor();
+        $page = Page::query()->first();
+
+        $this->put($page->getUrl(), [
+            'name' => $page->name, 'summary' => '',
+            'html' => '<p>test<img src="data:image/pngr;base64,' . $this->base64Jpeg . '"/></p>',
+        ]);
+
+        $page->refresh();
+        $this->assertStringContainsString('<img src=""', $page->html);
+    }
+
     public function test_base64_images_get_extracted_from_markdown_page_content()
     {
         $this->asEditor();