From c0becec8ad64d1883e7d09feb00d217d553ef6f8 Mon Sep 17 00:00:00 2001
From: Roeland Jago Douma <roeland@famdouma.nl>
Date: Tue, 10 Dec 2019 09:01:35 +0100
Subject: [PATCH] Do not disable authentication apps

For #18249

If an app encounters an error during loading of app.php the app is
normally disabled. However. We should make sure that this doesn't happen
for authentication apps (looking at your user_saml).

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
---
 lib/private/legacy/app.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/private/legacy/app.php b/lib/private/legacy/app.php
index 0dcbadcd08..a2ffc483d3 100644
--- a/lib/private/legacy/app.php
+++ b/lib/private/legacy/app.php
@@ -158,8 +158,9 @@ class OC_App {
 					throw $ex;
 				}
 				\OC::$server->getLogger()->logException($ex);
-				if (!\OC::$server->getAppManager()->isShipped($app)) {
-					// Only disable apps which are not shipped
+
+				if (!\OC::$server->getAppManager()->isShipped($app) && !self::isType($app, ['authentication'])) {
+					// Only disable apps which are not shipped and that are not authentication apps
 					\OC::$server->getAppManager()->disableApp($app, true);
 				}
 			}