From: Tim Düsterhus <duesterhus@woltlab.com>
Date: Tue, 16 Jun 2020 10:52:54 +0000 (+0200)
Subject: Do not attempt to resize non-images in attachment upload
X-Git-Tag: 5.3.0_Alpha_1~213
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f993cc8bcbf6483bc7b986e905333645c03d4f1b;p=GitHub%2FWoltLab%2FWCF.git

Do not attempt to resize non-images in attachment upload

Fixes #3059
---

diff --git a/wcfsetup/install/files/js/WCF.Attachment.js b/wcfsetup/install/files/js/WCF.Attachment.js
index d170624e21..b31e5ff72e 100644
--- a/wcfsetup/install/files/js/WCF.Attachment.js
+++ b/wcfsetup/install/files/js/WCF.Attachment.js
@@ -333,6 +333,12 @@ WCF.Attachment.Upload = WCF.Upload.extend({
 				// As our resizer is based on Pica it will use multiple workers per image if possible.
 				promise = Array.prototype.reduce.call(files, (function (acc, file) {
 					return acc.then((function (arr) {
+						// Ignore anything that is not one of the 3 basic image types.
+						if (['image/png', 'image/gif', 'image/jpeg'].indexOf(file.type) === -1) {
+							arr.push(file);
+							return arr;
+						}
+						
 						var timeout = new Promise(function (resolve, reject) {
 							// We issue one timeout per image, thus multiple timeout
 							// handlers will run in parallel