From d9921e4d3f6c24d041838d242d2ae8b474ceae36 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Tue, 18 Sep 2012 10:56:37 +0200
Subject: Don't store user password in database (#1486553)

---
 .../http_authentication/http_authentication.php    | 86 +++++++++++++---------
 plugins/http_authentication/package.xml            |  6 +-
 2 files changed, 54 insertions(+), 38 deletions(-)

diff --git a/plugins/http_authentication/http_authentication.php b/plugins/http_authentication/http_authentication.php
index 6c873713e..a14b5cbcc 100644
--- a/plugins/http_authentication/http_authentication.php
+++ b/plugins/http_authentication/http_authentication.php
@@ -17,51 +17,67 @@
  */
 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 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']))
-      $args['action'] = 'login';
+    function startup($args)
+    {
+        if (!empty($_SERVER['PHP_AUTH_USER']) && !empty($_SERVER['PHP_AUTH_PW'])) {
+            $rcmail = rcmail::get_instance();
+            $rcmail->add_shutdown_function(array('http_authentication', 'shutdown'));
 
-    return $args;
-  }
+            // handle login action
+            if (empty($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($_SESION['password'])) {
+                $_SESSION['password'] = $rcmail->encrypt($_SERVER['PHP_AUTH_PW']);
+            }
+        }
 
-  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'] = $_SERVER['PHP_AUTH_PW'];
-    }
+    function authenticate($args)
+    {
+        // Allow entering other user data in login form,
+        // e.g. after log out (#1487953)
+        if (!empty($args['user'])) {
+            return $args;
+        }
 
-    $args['cookiecheck'] = false;
-    $args['valid'] = true;
+        if (!empty($_SERVER['PHP_AUTH_USER']) && !empty($_SERVER['PHP_AUTH_PW'])) {
+            $args['user'] = $_SERVER['PHP_AUTH_USER'];
+            $args['pass'] = $_SERVER['PHP_AUTH_PW'];
+        }
 
-    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);
+        $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');
+    }
 }
 
diff --git a/plugins/http_authentication/package.xml b/plugins/http_authentication/package.xml
index d8f2036b6..aab3819a8 100644
--- a/plugins/http_authentication/package.xml
+++ b/plugins/http_authentication/package.xml
@@ -13,10 +13,10 @@
 		<email>roundcube@gmail.com</email>
 		<active>yes</active>
 	</lead>
-	<date>2011-11-21</date>
+	<date>2012-09-18</date>
 	<version>
-		<release>1.4</release>
-		<api>1.4</api>
+		<release>1.5</release>
+		<api>1.5</api>
 	</version>
 	<stability>
 		<release>stable</release>
-- 
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