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-rw-r--r--plugins/http_authentication/http_authentication.php20
1 files changed, 18 insertions, 2 deletions
diff --git a/plugins/http_authentication/http_authentication.php b/plugins/http_authentication/http_authentication.php
index 8002160c5..296ee7cc2 100644
--- a/plugins/http_authentication/http_authentication.php
+++ b/plugins/http_authentication/http_authentication.php
@@ -5,17 +5,25 @@
*
* Make use of an existing HTTP authentication and perform login with the existing user credentials
*
- * @version 1.3
+ * Configuration:
+ * // redirect the client to this URL after logout. This page is then responsible to clear HTTP auth
+ * $rcmail_config['logout_url'] = 'http://server.tld/logout.html';
+ *
+ * see http://stackoverflow.com/questions/31326/is-there-a-browser-equivalent-to-ies-clearauthenticationcache
+ * about how HTTP auth can be cleared
+ *
+ * @version 1.4
* @author Thomas Bruederli
*/
class http_authentication extends rcube_plugin
{
- public $task = 'login';
+ public $task = 'login|logout';
function init()
{
$this->add_hook('startup', array($this, 'startup'));
$this->add_hook('authenticate', array($this, 'authenticate'));
+ $this->add_hook('logout_after', array($this, 'logout'));
}
function startup($args)
@@ -46,6 +54,14 @@ class http_authentication extends rcube_plugin
return $args;
}
+
+ function logout($args)
+ {
+ // redirect to configured URL in order to clear HTTP auth credentials
+ if (!empty($_SERVER['PHP_AUTH_USER']) && $args['user'] == $_SERVER['PHP_AUTH_USER'] && ($url = rcmail::get_instance()->config->get('logout_url'))) {
+ header("Location: $url", true, 307);
+ }
+ }
}