From fc52af24f1418d6590a2d37a0d8cc31b123e38f6 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Tue, 19 Aug 2014 12:08:35 -0400
Subject: [PATCH] Fix merge error that disabled contact drag'n'drop
---
plugins/http_authentication/http_authentication.php | 92 ++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 92 insertions(+), 0 deletions(-)
diff --git a/plugins/http_authentication/http_authentication.php b/plugins/http_authentication/http_authentication.php
new file mode 100644
index 0000000..a94b612
--- /dev/null
+++ b/plugins/http_authentication/http_authentication.php
@@ -0,0 +1,92 @@
+<?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.
+ *
+ * For other configuration options, see config.inc.php.dist!
+ *
+ * @version @package_version@
+ * @license GNU GPLv3+
+ * @author Thomas Bruederli
+ */
+class http_authentication extends rcube_plugin
+{
+
+ 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($args)
+ {
+ if (!empty($_SERVER['PHP_AUTH_USER']) && !empty($_SERVER['PHP_AUTH_PW'])) {
+ $rcmail = rcmail::get_instance();
+ $rcmail->add_shutdown_function(array('http_authentication', 'shutdown'));
+
+ // handle login action
+ if (empty($args['action']) && empty($_SESSION['user_id'])) {
+ $args['action'] = 'login';
+ }
+ // Set user password in session (see shutdown() method for more info)
+ else if (!empty($_SESSION['user_id']) && empty($_SESSION['password'])) {
+ $_SESSION['password'] = $rcmail->encrypt($_SERVER['PHP_AUTH_PW']);
+ }
+ }
+
+ return $args;
+ }
+
+ function authenticate($args)
+ {
+ // Load plugin's config file
+ $this->load_config();
+
+ $host = rcmail::get_instance()->config->get('http_authentication_host');
+ if (is_string($host) && trim($host) !== '')
+ $args['host'] = rcube_idn_to_ascii(rcube_parse_host($host));
+
+ // 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'] == $_SERVER['PHP_AUTH_USER']) {
+ if ($url = rcmail::get_instance()->config->get('logout_url')) {
+ header("Location: $url", true, 307);
+ }
+ }
+ }
+
+ function shutdown()
+ {
+ // There's no need to store password (even if encrypted) in session
+ // We'll set it back on startup (#1486553)
+ rcmail::get_instance()->session->remove('password');
+ }
+}
+
--
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