From 294ba85015b3fb592ec98699002004dcde673d50 Mon Sep 17 00:00:00 2001
From: buddh4 <mail@jharrer.de>
Date: Wed, 13 May 2020 14:18:35 +0200
Subject: [PATCH] Fix #4078: Richtext linkextension pattern fails on link
 extensions with containing `)` in link title

---
 protected/humhub/docs/CHANGELOG.md                              | 1 +
 .../modules/content/widgets/richtext/ProsemirrorRichText.php    | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/protected/humhub/docs/CHANGELOG.md b/protected/humhub/docs/CHANGELOG.md
index 1b29641f28..b40a2cd70b 100644
--- a/protected/humhub/docs/CHANGELOG.md
+++ b/protected/humhub/docs/CHANGELOG.md
@@ -8,6 +8,7 @@ HumHub Change Log
 - Fix #4038: Cannot use yii\helpers\Html as Html because the name is already in use in ProfileBannerImage
 - Fix #4050: Broken Cron-job documentation link used in cron info sidebar snippet
 - Fix #4036: Uploaded photos are not rotated correctly
+- Fix #4078: Richtext linkextension pattern fails on link extensions with containing `)` in link title
 
 1.5.1 (April 19, 2020)
 ----------------------
diff --git a/protected/humhub/modules/content/widgets/richtext/ProsemirrorRichText.php b/protected/humhub/modules/content/widgets/richtext/ProsemirrorRichText.php
index b8516044ab..26d41e0f8b 100644
--- a/protected/humhub/modules/content/widgets/richtext/ProsemirrorRichText.php
+++ b/protected/humhub/modules/content/widgets/richtext/ProsemirrorRichText.php
@@ -291,7 +291,7 @@ class ProsemirrorRichText extends AbstractRichText
      */
     protected static function getLinkExtensionPattern($extension = '[a-zA-Z]+')
     {
-        return '/(?<!\\\\)\[([^\]]*)\]\(('.$extension.'):{1}([^\)\s]*)(?:\s")?([^\)"]*)?(?:")?[^\)]*\)/is';
+        return '/(?<!\\\\)\[([^\]]*)\]\(('.$extension.'):{1}([^\)\s]*)(?:\s")?([^"]*)?(?:")?[^\)]*\)/is';
     }
 
     /**