<?php
/*
* mysqli_login_with_google.php
*
* @(#) $Id: mysqli_login_with_google.php,v 1.2 2013/07/31 11:48:04 mlemos Exp $
*
*/
/*
* Get the http.php file from http://www.phpclasses.org/httpclient
*/
require('http.php');
require('oauth_client.php');
require('database_oauth_client.php');
require('mysqli_oauth_client.php');
/*
* Create an object of the sub-class of the OAuth client class that is
* specialized in storing and retrieving access tokens from MySQL
* databases using the mysqli extension
*
* If you use a different database, replace this class by another
* specialized in accessing that type of database
*/
$client = new mysqli_oauth_client_class;
/*
* Define options specific to your database connection
*/
$client->database = array(
'host'=>'',
'user'=>'oauth',
'password'=>'oauth',
'name'=>'oauth',
'port'=>0,
'socket'=>'/var/lib/mysql/mysql.sock'
);
$client->server = 'Google';
/*
* Set the offline access only if you need to call an API
* when the user is not present and the token may expire
*/
$client->offline = true;
$client->debug = false;
$client->debug_http = true;
$client->redirect_uri = 'http://'.$_SERVER['HTTP_HOST'].
dirname(strtok($_SERVER['REQUEST_URI'],'?')).'/mysqli_login_with_google.php';
$client->client_id = ''; $application_line = __LINE__;
$client->client_secret = '';
if(strlen($client->client_id) == 0
|| strlen($client->client_secret) == 0)
die('Please go to Google APIs console page '.
'http://code.google.com/apis/console in the API access tab, '.
'create a new client ID, and in the line '.$application_line.
' set the client_id to Client ID and client_secret with Client Secret. '.
'The callback URL must be '.$client->redirect_uri.' but make sure '.
'the domain is valid and can be resolved by a public DNS.');
/* API permissions
*/
$client->scope = 'https://www.googleapis.com/auth/userinfo.email '.
'https://www.googleapis.com/auth/userinfo.profile';
if(($success = $client->Initialize()))
{
if(($success = $client->Process()))
{
if(strlen($client->authorization_error))
{
$client->error = $client->authorization_error;
$success = false;
}
elseif(strlen($client->access_token))
{
$success = $client->CallAPI(
'https://www.googleapis.com/oauth2/v1/userinfo',
'GET', array(), array('FailOnAccessError'=>true), $user);
/*
* Once you were able to access the user account using the API
* you should associate the current OAuth access token a specific
* user, so you can call the API without the user presence, just
* specifying the user id in your database.
*
* In this example the user id is 1 . Your application should
* determine the right user is to associate.
*/
if($success)
$success = $client->SetUser(1);
}
}
$success = $client->Finalize($success);
}
if($client->exit)
exit;
if($success)
{
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Google OAuth client results</title>
</head>
<body>
<?php
echo '<h1>', HtmlSpecialChars($user->name),
' you have logged in successfully with Google!</h1>';
echo '<pre>', HtmlSpecialChars(print_r($user, 1)), '</pre>';
?>
</body>
</html>
<?php
}
else
{
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>OAuth client error</title>
</head>
<body>
<h1>OAuth client error</h1>
<pre>Error: <?php echo HtmlSpecialChars($client->error); ?></pre>
</body>
</html>
<?php
}
?>
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