246 lines
9.0 KiB
PHP
246 lines
9.0 KiB
PHP
<?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) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
|
*/
|
|
|
|
/**
|
|
* Zend_Gdata_HttpClient
|
|
*/
|
|
require_once 'Zend/Gdata/HttpClient.php';
|
|
|
|
/**
|
|
* Zend_Version
|
|
*/
|
|
require_once 'Zend/Version.php';
|
|
|
|
/**
|
|
* Wrapper around Zend_Http_Client to facilitate Google's "Account Authentication
|
|
* Proxy for Web-Based Applications".
|
|
*
|
|
* @see http://code.google.com/apis/accounts/AuthForWebApps.html
|
|
*
|
|
* @category Zend
|
|
* @package Zend_Gdata
|
|
* @subpackage Gdata
|
|
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
|
*/
|
|
class Zend_Gdata_AuthSub
|
|
{
|
|
|
|
const AUTHSUB_REQUEST_URI = 'https://www.google.com/accounts/AuthSubRequest';
|
|
|
|
const AUTHSUB_SESSION_TOKEN_URI = 'https://www.google.com/accounts/AuthSubSessionToken';
|
|
|
|
const AUTHSUB_REVOKE_TOKEN_URI = 'https://www.google.com/accounts/AuthSubRevokeToken';
|
|
|
|
const AUTHSUB_TOKEN_INFO_URI = 'https://www.google.com/accounts/AuthSubTokenInfo';
|
|
|
|
/**
|
|
* Creates a URI to request a single-use AuthSub token.
|
|
*
|
|
* @param string $next (required) URL identifying the service to be
|
|
* accessed.
|
|
* The resulting token will enable access to the specified service only.
|
|
* Some services may limit scope further, such as read-only access.
|
|
* @param string $scope (required) URL identifying the service to be
|
|
* accessed. The resulting token will enable
|
|
* access to the specified service only.
|
|
* Some services may limit scope further, such
|
|
* as read-only access.
|
|
* @param int $secure (optional) Boolean flag indicating whether the
|
|
* authentication transaction should issue a secure
|
|
* token (1) or a non-secure token (0). Secure tokens
|
|
* are available to registered applications only.
|
|
* @param int $session (optional) Boolean flag indicating whether
|
|
* the one-time-use token may be exchanged for
|
|
* a session token (1) or not (0).
|
|
* @param string $request_uri (optional) URI to which to direct the
|
|
* authentication request.
|
|
*/
|
|
public static function getAuthSubTokenUri($next, $scope, $secure=0, $session=0,
|
|
$request_uri = self::AUTHSUB_REQUEST_URI)
|
|
{
|
|
$querystring = '?next=' . urlencode($next)
|
|
. '&scope=' . urldecode($scope)
|
|
. '&secure=' . urlencode($secure)
|
|
. '&session=' . urlencode($session);
|
|
return $request_uri . $querystring;
|
|
}
|
|
|
|
|
|
/**
|
|
* Upgrades a single use token to a session token
|
|
*
|
|
* @param string $token The single use token which is to be upgraded
|
|
* @param Zend_Http_Client $client (optional) HTTP client to use to
|
|
* make the request
|
|
* @param string $request_uri (optional) URI to which to direct
|
|
* the session token upgrade
|
|
* @return string The upgraded token value
|
|
* @throws Zend_Gdata_App_AuthException
|
|
* @throws Zend_Gdata_App_HttpException
|
|
*/
|
|
public static function getAuthSubSessionToken(
|
|
$token, $client = null,
|
|
$request_uri = self::AUTHSUB_SESSION_TOKEN_URI)
|
|
{
|
|
$client = self::getHttpClient($token, $client);
|
|
|
|
if ($client instanceof Zend_Gdata_HttpClient) {
|
|
$filterResult = $client->filterHttpRequest('GET', $request_uri);
|
|
$url = $filterResult['url'];
|
|
$headers = $filterResult['headers'];
|
|
$client->setHeaders($headers);
|
|
$client->setUri($url);
|
|
} else {
|
|
$client->setUri($request_uri);
|
|
}
|
|
|
|
try {
|
|
$response = $client->request('GET');
|
|
} catch (Zend_Http_Client_Exception $e) {
|
|
require_once 'Zend/Gdata/App/HttpException.php';
|
|
throw new Zend_Gdata_App_HttpException($e->getMessage(), $e);
|
|
}
|
|
|
|
// Parse Google's response
|
|
if ($response->isSuccessful()) {
|
|
$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;
|
|
}
|
|
}
|
|
return $goog_resp['Token'];
|
|
} else {
|
|
require_once 'Zend/Gdata/App/AuthException.php';
|
|
throw new Zend_Gdata_App_AuthException(
|
|
'Token upgrade failed. Reason: ' . $response->getBody());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Revoke a token
|
|
*
|
|
* @param string $token The token to revoke
|
|
* @param Zend_Http_Client $client (optional) HTTP client to use to make the request
|
|
* @param string $request_uri (optional) URI to which to direct the revokation request
|
|
* @return boolean Whether the revokation was successful
|
|
* @throws Zend_Gdata_App_HttpException
|
|
*/
|
|
public static function AuthSubRevokeToken($token, $client = null,
|
|
$request_uri = self::AUTHSUB_REVOKE_TOKEN_URI)
|
|
{
|
|
$client = self::getHttpClient($token, $client);
|
|
|
|
if ($client instanceof Zend_Gdata_HttpClient) {
|
|
$filterResult = $client->filterHttpRequest('GET', $request_uri);
|
|
$url = $filterResult['url'];
|
|
$headers = $filterResult['headers'];
|
|
$client->setHeaders($headers);
|
|
$client->setUri($url);
|
|
$client->resetParameters();
|
|
} else {
|
|
$client->setUri($request_uri);
|
|
}
|
|
|
|
ob_start();
|
|
try {
|
|
$response = $client->request('GET');
|
|
} catch (Zend_Http_Client_Exception $e) {
|
|
require_once 'Zend/Gdata/App/HttpException.php';
|
|
throw new Zend_Gdata_App_HttpException($e->getMessage(), $e);
|
|
}
|
|
ob_end_clean();
|
|
// Parse Google's response
|
|
if ($response->isSuccessful()) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* get token information
|
|
*
|
|
* @param string $token The token to retrieve information about
|
|
* @param Zend_Http_Client $client (optional) HTTP client to use to
|
|
* make the request
|
|
* @param string $request_uri (optional) URI to which to direct
|
|
* the information request
|
|
*/
|
|
public static function getAuthSubTokenInfo(
|
|
$token, $client = null, $request_uri = self::AUTHSUB_TOKEN_INFO_URI)
|
|
{
|
|
$client = self::getHttpClient($token, $client);
|
|
|
|
if ($client instanceof Zend_Gdata_HttpClient) {
|
|
$filterResult = $client->filterHttpRequest('GET', $request_uri);
|
|
$url = $filterResult['url'];
|
|
$headers = $filterResult['headers'];
|
|
$client->setHeaders($headers);
|
|
$client->setUri($url);
|
|
} else {
|
|
$client->setUri($request_uri);
|
|
}
|
|
|
|
ob_start();
|
|
try {
|
|
$response = $client->request('GET');
|
|
} 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();
|
|
return $response->getBody();
|
|
}
|
|
|
|
/**
|
|
* Retrieve a HTTP client object with AuthSub credentials attached
|
|
* as the Authorization header
|
|
*
|
|
* @param string $token The token to retrieve information about
|
|
* @param Zend_Gdata_HttpClient $client (optional) HTTP client to use to make the request
|
|
*/
|
|
public static function getHttpClient($token, $client = null)
|
|
{
|
|
if ($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.');
|
|
}
|
|
$useragent = 'Zend_Framework_Gdata/' . Zend_Version::VERSION;
|
|
$client->setConfig(array(
|
|
'strictredirects' => true,
|
|
'useragent' => $useragent
|
|
)
|
|
);
|
|
$client->setAuthSubToken($token);
|
|
return $client;
|
|
}
|
|
|
|
}
|