From e71b0ef705b86bb653fcae43e6845acbe6fd7fd2 Mon Sep 17 00:00:00 2001
From: Guy Brand <gb@unistra.fr>
Date: Sun, 17 Mar 2013 19:22:37 +0100
Subject: [PATCH] backward compatibility for old authtype settings

---
 inc/auth.php | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/inc/auth.php b/inc/auth.php
index 68b6b438d..0713ca6af 100644
--- a/inc/auth.php
+++ b/inc/auth.php
@@ -48,10 +48,15 @@ function auth_setup() {
 
     // try to load auth backend from plugins
     foreach ($plugin_controller->getList('auth') as $plugin) {
-    	if ($conf['authtype'] === $plugin) {
-    		$auth = $plugin_controller->load('auth', $plugin);
-    		break;
-    	}
+      if ($conf['authtype'] === $plugin) {
+        $auth = $plugin_controller->load('auth', $plugin);
+        break;
+      } elseif ('auth' . $conf['authtype'] === $plugin) {
+        // matches old auth backends (pre-Weatherwax)
+        $auth = $plugin_controller->load('auth', $plugin);
+        msg('Your authtype setting is deprecated. You must set $conf[\'authconfig\'] = ' . "auth" . $conf['authtype']
+             . ' in your config (see <a href="https://www.dokuwiki.org/auth">Authentication Backends</a>)',-1);
+      }
     }
 
 	if(!isset($auth) || !$auth){
-- 
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