From 5032a78bf9f3e9b5597d50470da1522f9daa04c1 Mon Sep 17 00:00:00 2001
From: leekelleher <leekelleher@gmail.com>
Date: Tue, 12 Nov 2024 16:54:19 +0000
Subject: [PATCH] Tiptap: prevents pasted HTML fragments

containing images, being uploaded to the server.
---
 .../tiptap/extensions/core/media-upload.extension.ts        | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Umbraco.Web.UI.Client/src/packages/tiptap/extensions/core/media-upload.extension.ts b/src/Umbraco.Web.UI.Client/src/packages/tiptap/extensions/core/media-upload.extension.ts
index b6770bc230..45921e2572 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/tiptap/extensions/core/media-upload.extension.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/tiptap/extensions/core/media-upload.extension.ts
@@ -69,6 +69,12 @@ export default class UmbTiptapMediaUploadExtensionApi extends UmbTiptapExtension
 					});
 
 					host.addEventListener('paste', (event) => {
+						const htmlContent = event.clipboardData?.getData('text/html');
+						if (htmlContent) {
+							// If there is HTML content, exit early to prevent uploading the remote file(s).
+							return;
+						}
+
 						const files = event.clipboardData?.files;
 						if (!files) return;