<?php
/*
* login_with_google.php
*
* @(#) $Id: login_with_google.php,v 1.6 2013/03/15 04:19:34 mlemos Exp $
*
*/
require('http.php');
require('oauth_client.php');
$client = new oauth_client_class;
$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'],'?')).'/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);
}
}
$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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