From e22eea11cdc6c559bf6491218dbfa0da906859e6 Mon Sep 17 00:00:00 2001
From: Alexander Ebert <ebert@woltlab.com>
Date: Sat, 7 Mar 2015 23:43:19 +0100
Subject: [PATCH] Strip background-color from pasted content

---
 .../files/js/3rdParty/redactor/plugins/wbbcode.js  | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/wcfsetup/install/files/js/3rdParty/redactor/plugins/wbbcode.js b/wcfsetup/install/files/js/3rdParty/redactor/plugins/wbbcode.js
index 81f4b4d71f..adfee4506d 100644
--- a/wcfsetup/install/files/js/3rdParty/redactor/plugins/wbbcode.js
+++ b/wcfsetup/install/files/js/3rdParty/redactor/plugins/wbbcode.js
@@ -1509,6 +1509,20 @@ RedactorPlugins.wbbcode = function() {
 			html = html.replace(/\[size=(\d+)\]/g, '<p><span style="font-size: $1pt">');
 			html = html.replace(/\[\/size\]/g, '</span></p>');
 			
+			// strip background-color
+			html = html.replace(/style="([^"]+)"/, function(match, inlineStyles) {
+				var $parts = inlineStyles.split(';');
+				var $styles = [ ];
+				for (var $i = 0, $length = $parts.length; $i < $length; $i++) {
+					var $part = $parts[$i];
+					if (!$part.match(/^\s*background-color/)) {
+						$styles.push($part);
+					}
+				}
+				
+				return 'style="' + $styles.join(';') + '"';
+			});
+			
 			WCF.System.Event.fireEvent('com.woltlab.wcf.redactor', 'afterPaste', { html: html });
 			
 			return html;
-- 
2.20.1