only show "share with others" and "share by link" navigation bar entries if...

only show "share with others" and "share by link" navigation bar entries if user is allowed to share files

apps/files_sharing/appinfo/app.php

@@ -33,21 +33,25 @@ OC_FileProxy::register(new OCA\Files\Share\Proxy());
 		"name" => $l->t('Shared with you')
 	)
 );
-\OCA\Files\App::getNavigationManager()->add(
-	array(
-		"id" => 'sharingout',
-		"appname" => 'files_sharing',
-		"script" => 'list.php',
-		"order" => 15,
-		"name" => $l->t('Shared with others')
-	)
-);
-\OCA\Files\App::getNavigationManager()->add(
-	array(
-		"id" => 'sharinglinks',
-		"appname" => 'files_sharing',
-		"script" => 'list.php',
-		"order" => 20,
-		"name" => $l->t('Shared by link')
-	)
-);
+
+if (\OCP\Util::isSharingDisabledForUser() === false) {
+
+	\OCA\Files\App::getNavigationManager()->add(
+			array(
+				"id" => 'sharingout',
+				"appname" => 'files_sharing',
+				"script" => 'list.php',
+				"order" => 15,
+				"name" => $l->t('Shared with others')
+			)
+	);
+	\OCA\Files\App::getNavigationManager()->add(
+			array(
+				"id" => 'sharinglinks',
+				"appname" => 'files_sharing',
+				"script" => 'list.php',
+				"order" => 20,
+				"name" => $l->t('Shared by link')
+			)
+	);
+}