From 06f945f27840b53e57795dadbc38e76f7e11ab1c Mon Sep 17 00:00:00 2001
From: Horus3
Date: Mon, 24 Feb 2014 16:42:14 +0100
Subject: init

---
 zend/library/Zend/Gdata/AuthSub.php | 248 ++++++++++++++++++++++++++++++++++++
 1 file changed, 248 insertions(+)
 create mode 100644 zend/library/Zend/Gdata/AuthSub.php

(limited to 'zend/library/Zend/Gdata/AuthSub.php')

diff --git a/zend/library/Zend/Gdata/AuthSub.php b/zend/library/Zend/Gdata/AuthSub.php
new file mode 100644
index 0000000..878c31c
--- /dev/null
+++ b/zend/library/Zend/Gdata/AuthSub.php
@@ -0,0 +1,248 @@
+<?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) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: AuthSub.php 24593 2012-01-05 20:35:02Z matthew $
+ */
+
+/**
+ * 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) 2005-2012 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 $e) {
+            ob_end_clean();
+            require_once 'Zend/Gdata/App/HttpException.php';
+            throw new Zend_Gdata_App_HttpException($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 $e) {
+            ob_end_clean();
+            require_once 'Zend/Gdata/App/HttpException.php';
+            throw new Zend_Gdata_App_HttpException($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_Gdata_HttpClient) {
+            require_once 'Zend/Gdata/App/HttpException.php';
+            throw new Zend_Gdata_App_HttpException('Client is not an instance of Zend_Gdata_HttpClient.');
+        }
+        $useragent = 'Zend_Framework_Gdata/' . Zend_Version::VERSION;
+        $client->setConfig(array(
+                'strictredirects' => true,
+                'useragent' => $useragent
+            )
+        );
+        $client->setAuthSubToken($token);
+        return $client;
+    }
+
+}
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