diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Gdata/ClientLogin.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Gdata/ClientLogin.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,182 @@
+<?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_Gdata
+ * @subpackage Gdata
+ * @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: ClientLogin.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * Zend_Gdata_HttpClient
+ */
+require_once 'Zend/Gdata/HttpClient.php';
+
+/**
+ * Zend_Version
+ */
+require_once 'Zend/Version.php';
+
+/**
+ * Class to facilitate Google's "Account Authentication
+ * for Installed Applications" also known as "ClientLogin".
+ * @see http://code.google.com/apis/accounts/AuthForInstalledApps.html
+ *
+ * @category   Zend
+ * @package    Zend_Gdata
+ * @subpackage Gdata
+ * @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_Gdata_ClientLogin
+{
+
+    /**
+     * The Google client login URI
+     *
+     */
+    const CLIENTLOGIN_URI = 'https://www.google.com/accounts/ClientLogin';
+
+    /**
+     * The default 'source' parameter to send to Google
+     *
+     */
+    const DEFAULT_SOURCE = 'Zend-ZendFramework';
+
+    /**
+     * Set Google authentication credentials.
+     * Must be done before trying to do any Google Data operations that
+     * require authentication.
+     * For example, viewing private data, or posting or deleting entries.
+     *
+     * @param string $email
+     * @param string $password
+     * @param string $service
+     * @param Zend_Gdata_HttpClient $client
+     * @param string $source
+     * @param string $loginToken The token identifier as provided by the server.
+     * @param string $loginCaptcha The user's response to the CAPTCHA challenge.
+     * @param string $accountType An optional string to identify whether the
+     * account to be authenticated is a google or a hosted account. Defaults to
+     * 'HOSTED_OR_GOOGLE'. See: http://code.google.com/apis/accounts/docs/AuthForInstalledApps.html#Request
+     * @throws Zend_Gdata_App_AuthException
+     * @throws Zend_Gdata_App_HttpException
+     * @throws Zend_Gdata_App_CaptchaRequiredException
+     * @return Zend_Gdata_HttpClient
+     */
+    public static function getHttpClient($email, $password, $service = 'xapi',
+        $client = null,
+        $source = self::DEFAULT_SOURCE,
+        $loginToken = null,
+        $loginCaptcha = null,
+        $loginUri = self::CLIENTLOGIN_URI,
+        $accountType = 'HOSTED_OR_GOOGLE')
+    {
+        if (! ($email && $password)) {
+            require_once 'Zend/Gdata/App/AuthException.php';
+            throw new Zend_Gdata_App_AuthException(
+                   'Please set your Google credentials before trying to ' .
+                   'authenticate');
+        }
+
+        if ($client == null) {
+            $client = new Zend_Gdata_HttpClient();
+        }
+        if (!$client instanceof Zend_Http_Client) {
+            require_once 'Zend/Gdata/App/HttpException.php';
+            throw new Zend_Gdata_App_HttpException(
+                    'Client is not an instance of Zend_Http_Client.');
+        }
+
+        // Build the HTTP client for authentication
+        $client->setUri($loginUri);
+        $useragent = $source . ' Zend_Framework_Gdata/' . Zend_Version::VERSION;
+        $client->setConfig(array(
+                'maxredirects'    => 0,
+                'strictredirects' => true,
+                'useragent' => $useragent
+            )
+        );
+        $client->setParameterPost('accountType', $accountType);
+        $client->setParameterPost('Email', (string) $email);
+        $client->setParameterPost('Passwd', (string) $password);
+        $client->setParameterPost('service', (string) $service);
+        $client->setParameterPost('source', (string) $source);
+        if ($loginToken || $loginCaptcha) {
+            if($loginToken && $loginCaptcha) {
+                $client->setParameterPost('logintoken', (string) $loginToken);
+                $client->setParameterPost('logincaptcha',
+                        (string) $loginCaptcha);
+            }
+            else {
+                require_once 'Zend/Gdata/App/AuthException.php';
+                throw new Zend_Gdata_App_AuthException(
+                    'Please provide both a token ID and a user\'s response ' .
+                    'to the CAPTCHA challenge.');
+            }
+        }
+
+        // Send the authentication request
+        // For some reason Google's server causes an SSL error. We use the
+        // output buffer to supress an error from being shown. Ugly - but works!
+        ob_start();
+        try {
+            $response = $client->request('POST');
+        } catch (Zend_Http_Client_Exception $e) {
+            require_once 'Zend/Gdata/App/HttpException.php';
+            throw new Zend_Gdata_App_HttpException($e->getMessage(), $e);
+        }
+        ob_end_clean();
+
+        // Parse Google's response
+        $goog_resp = array();
+        foreach (explode("\n", $response->getBody()) as $l) {
+            $l = chop($l);
+            if ($l) {
+                list($key, $val) = explode('=', chop($l), 2);
+                $goog_resp[$key] = $val;
+            }
+        }
+
+        if ($response->getStatus() == 200) {
+            $client->setClientLoginToken($goog_resp['Auth']);
+            $useragent = $source . ' Zend_Framework_Gdata/' . Zend_Version::VERSION;
+            $client->setConfig(array(
+                    'strictredirects' => true,
+                    'useragent' => $useragent
+                )
+            );
+            return $client;
+
+        } elseif ($response->getStatus() == 403) {
+            // Check if the server asked for a CAPTCHA
+            if (array_key_exists('Error', $goog_resp) &&
+                $goog_resp['Error'] == 'CaptchaRequired') {
+                require_once 'Zend/Gdata/App/CaptchaRequiredException.php';
+                throw new Zend_Gdata_App_CaptchaRequiredException(
+                    $goog_resp['CaptchaToken'], $goog_resp['CaptchaUrl']);
+            }
+            else {
+                require_once 'Zend/Gdata/App/AuthException.php';
+                throw new Zend_Gdata_App_AuthException('Authentication with Google failed. Reason: ' .
+                    (isset($goog_resp['Error']) ? $goog_resp['Error'] : 'Unspecified.'));
+            }
+        }
+    }
+
+}
+