From 13d93f5b25aa3e663146349583a0a8e01b216f7a Mon Sep 17 00:00:00 2001
From: Christoph Wurst <christoph@winzerhof-wurst.at>
Date: Tue, 22 May 2018 08:52:16 +0200
Subject: Make 2FA providers stateful

This adds persistence to the Nextcloud server 2FA logic so that the server
knows which 2FA providers are enabled for a specific user at any time, even
when the provider is not available.

The `IStatefulProvider` interface was added as tagging interface for providers
that are compatible with this new API.

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>
---
 core/templates/twofactorselectchallenge.php | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'core/templates')

diff --git a/core/templates/twofactorselectchallenge.php b/core/templates/twofactorselectchallenge.php
index a1e626567e7..55d315d904d 100644
--- a/core/templates/twofactorselectchallenge.php
+++ b/core/templates/twofactorselectchallenge.php
@@ -1,6 +1,11 @@
 <div class="warning">
 	<h2 class="two-factor-header"><?php p($l->t('Two-factor authentication')) ?></h2>
 	<p><?php p($l->t('Enhanced security is enabled for your account. Please authenticate using a second factor.')) ?></p>
+	<?php if ($_['providerMissing']): ?>
+	<p>
+		<strong><?php p($l->t('Could not load at least one of your enabled two-factor auth methods. Please contact your admin.')) ?></strong>
+	</p>
+	<?php endif; ?>
 	<p>
 		<ul>
 			<?php foreach ($_['providers'] as $provider): ?>
-- 
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