1 files changed, 50 insertions, 0 deletions
diff --git a/wiki/inc/Action/Logout.php b/wiki/inc/Action/Logout.php
new file mode 100644
index 0000000..1590904
--- /dev/null
+++ b/wiki/inc/Action/Logout.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace dokuwiki\Action;
+
+use dokuwiki\Action\Exception\ActionDisabledException;
+use dokuwiki\Action\Exception\ActionException;
+
+/**
+ * Class Logout
+ *
+ * Log out a user
+ *
+ * @package dokuwiki\Action
+ */
+class Logout extends AbstractUserAction {
+
+    /** @inheritdoc */
+    public function minimumPermission() {
+        return AUTH_NONE;
+    }
+
+    /** @inheritdoc */
+    public function checkPreconditions() {
+        parent::checkPreconditions();
+
+        /** @var \DokuWiki_Auth_Plugin $auth */
+        global $auth;
+        if(!$auth->canDo('logout')) throw new ActionDisabledException();
+    }
+
+    /** @inheritdoc */
+    public function preProcess() {
+        global $ID;
+        global $INPUT;
+
+        // when logging out during an edit session, unlock the page
+        $lockedby = checklock($ID);
+        if($lockedby == $INPUT->server->str('REMOTE_USER')) {
+            unlock($ID);
+        }
+
+        // do the logout stuff and redirect to login
+        auth_logoff();
+        send_redirect(wl($ID, array('do' => 'login')));
+
+        // should never be reached
+        throw new ActionException('login');
+    }
+
+}