diff -r 000000000000 -r 4eba9c11703f web/Zend/Oauth/Http/UserAuthorization.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Oauth/Http/UserAuthorization.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,78 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Oauth
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: UserAuthorization.php 20217 2010-01-12 16:01:57Z matthew $
+ */
+
+/** Zend_Oauth_Http */
+require_once 'Zend/Oauth/Http.php';
+
+/** Zend_Uri_Http */
+require_once 'Zend/Uri/Http.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Oauth
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Oauth_Http_UserAuthorization extends Zend_Oauth_Http
+{
+    /**
+     * Generate a redirect URL from the allowable parameters and configured
+     * values.
+     *
+     * @return string
+     */
+    public function getUrl()
+    {
+        $params = $this->assembleParams();
+        $uri    = Zend_Uri_Http::fromString($this->_consumer->getUserAuthorizationUrl());
+
+        $uri->setQuery(
+            $this->_httpUtility->toEncodedQueryString($params)
+        );
+
+        return $uri->getUri();
+    }
+
+    /**
+     * Assemble all parameters for inclusion in a redirect URL.
+     *
+     * @return array
+     */
+    public function assembleParams()
+    {
+        $params = array(
+            'oauth_token' => $this->_consumer->getLastRequestToken()->getToken(),
+        );
+
+        if (!Zend_Oauth_Client::$supportsRevisionA) {
+            $callback = $this->_consumer->getCallbackUrl();
+            if (!empty($callback)) {
+                $params['oauth_callback'] = $callback;
+            }
+        }
+
+        if (!empty($this->_parameters)) {
+            $params = array_merge($params, $this->_parameters);
+        }
+
+        return $params;
+    }
+}