Fix #4743: LikeLink also when no CanLike permission

CHANGELOG.md

@@ -12,6 +12,7 @@ HumHub Changelog
 - Fix #4649: Success message rendered although password validation failed
 - Fix #4717: Repsonsive layout alignment issue on small screens
 - Fix #4715: Call to `Content::canArchive()` throws error on global content
+- Fix #4743: Hide "Like" link when no permission "Can like"
 
 
 1.7.1 (November 27, 2020)

protected/humhub/modules/like/Events.php

@@ -92,10 +92,6 @@ class Events extends \yii\base\BaseObject
      */
     public static function onWallEntryLinksInit($event)
     {
-        if (!static::getModule()->isEnabled) {
-            return;
-        }
-
         $event->sender->addWidget(widgets\LikeLink::class, ['object' => $event->sender->object], ['sortOrder' => 10]);
     }
 

protected/humhub/modules/like/widgets/LikeLink.php

@@ -8,6 +8,9 @@ use yii\helpers\Html;
 use humhub\modules\like\Module;
 use humhub\modules\like\models\Like as LikeModel;
 use humhub\modules\content\components\ContentActiveRecord;
+use humhub\modules\content\components\ContentContainerActiveRecord;
+use humhub\modules\like\permissions\CanLike;
+
 /**
  * This widget is used to show a like link inside the wall entry controls.
  *
@@ -24,15 +27,26 @@ class LikeLink extends \yii\base\Widget
      */
     public $object;
 
+    /**
+     * @inheritdoc
+     */
+    public function beforeRun()
+    {
+        if (!Yii::$app->getModule('like')->isEnabled ||
+            !isset($this->object->content->container) ||
+            !($this->object->content->container instanceof ContentContainerActiveRecord) ||
+            !$this->object->content->container->can(CanLike::class)) {
+            return false;
+        }
+
+        return parent::beforeRun();
+    }
+
     /**
      * Executes the widget.
      */
     public function run()
     {
-        if (Yii::$app->getModule('like')->isEnabled === false) {
-            return;
-        }
-
         $currentUserLiked = false;
         /** @var Module $module */
         $module = Yii::$app->getModule('like');