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<?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) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: ClientLogin.php 18951 2009-11-12 16:26:19Z alexander $
*/
/**
* 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) 2005-2009 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.'));
}
}
}
}
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