From e6d8f97bf2e0bbb4d95df0c4e030eb7ec6ef75a5 Mon Sep 17 00:00:00 2001
From: thomasb <thomasb@208e9e7b-5314-0410-a742-e7e81cd9613c>
Date: Sat, 31 Mar 2012 12:25:48 +0000
Subject: Move plugins repository into roundcubemail root folder; svn:externals
 are not defined anymore

git-svn-id: https://svn.roundcube.net/trunk@6034 208e9e7b-5314-0410-a742-e7e81cd9613c
---
 .../http_authentication/http_authentication.php    | 67 ++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 roundcubemail/plugins/http_authentication/http_authentication.php

(limited to 'roundcubemail/plugins/http_authentication/http_authentication.php')

diff --git a/roundcubemail/plugins/http_authentication/http_authentication.php b/roundcubemail/plugins/http_authentication/http_authentication.php
new file mode 100644
index 000000000..6c873713e
--- /dev/null
+++ b/roundcubemail/plugins/http_authentication/http_authentication.php
@@ -0,0 +1,67 @@
+<?php
+
+/**
+ * HTTP Basic Authentication
+ *
+ * Make use of an existing HTTP authentication and perform login with the existing user credentials
+ *
+ * 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 logout.html (in this directory) for an example how HTTP auth can be cleared.
+ *
+ * @version @package_version@
+ * @license GNU GPLv3+
+ * @author Thomas Bruederli
+ */
+class http_authentication extends rcube_plugin
+{
+  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($args)
+  {
+    // change action to login
+    if (empty($args['action']) && empty($_SESSION['user_id'])
+        && !empty($_SERVER['PHP_AUTH_USER']) && !empty($_SERVER['PHP_AUTH_PW']))
+      $args['action'] = 'login';
+
+    return $args;
+  }
+
+  function authenticate($args)
+  {
+    // Allow entering other user data in login form,
+    // e.g. after log out (#1487953)
+    if (!empty($args['user'])) {
+        return $args;
+    }
+
+    if (!empty($_SERVER['PHP_AUTH_USER']) && !empty($_SERVER['PHP_AUTH_PW'])) {
+      $args['user'] = $_SERVER['PHP_AUTH_USER'];
+      $args['pass'] = $_SERVER['PHP_AUTH_PW'];
+    }
+
+    $args['cookiecheck'] = false;
+    $args['valid'] = true;
+
+    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);
+    }
+  }
+
+}
+
-- 
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