147 lines
4.8 KiB
PHP
147 lines
4.8 KiB
PHP
<?php
|
|
|
|
/**
|
|
* PHPMailer - PHP email creation and transport class.
|
|
* PHP Version 5.5
|
|
* @package PHPMailer
|
|
* @see https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
|
|
* @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
|
|
* @author Jim Jagielski (jimjag) <jimjag@gmail.com>
|
|
* @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
|
|
* @author Brent R. Matzelle (original founder)
|
|
* @copyright 2012 - 2020 Marcus Bointon
|
|
* @copyright 2010 - 2012 Jim Jagielski
|
|
* @copyright 2004 - 2009 Andy Prevost
|
|
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
|
|
* @note This program is distributed in the hope that it will be useful - WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE.
|
|
*/
|
|
|
|
/**
|
|
* Get an OAuth2 token from an OAuth2 provider.
|
|
* * Install this script on your server so that it's accessible
|
|
* as [https/http]://<yourdomain>/<folder>/get_oauth_token.php
|
|
* e.g.: http://localhost/phpmailer/get_oauth_token.php
|
|
* * Ensure dependencies are installed with 'composer install'
|
|
* * Set up an app in your Google/Yahoo/Microsoft account
|
|
* * Set the script address as the app's redirect URL
|
|
* If no refresh token is obtained when running this file,
|
|
* revoke access to your app and run the script again.
|
|
*/
|
|
|
|
namespace PHPMailer\PHPMailer;
|
|
|
|
/**
|
|
* Aliases for League Provider Classes
|
|
* Make sure you have added these to your composer.json and run `composer install`
|
|
* Plenty to choose from here:
|
|
* @see http://oauth2-client.thephpleague.com/providers/thirdparty/
|
|
*/
|
|
// @see https://github.com/thephpleague/oauth2-google
|
|
use League\OAuth2\Client\Provider\Google;
|
|
// @see https://packagist.org/packages/hayageek/oauth2-yahoo
|
|
use Hayageek\OAuth2\Client\Provider\Yahoo;
|
|
// @see https://github.com/stevenmaguire/oauth2-microsoft
|
|
use Stevenmaguire\OAuth2\Client\Provider\Microsoft;
|
|
|
|
if (!isset($_GET['code']) && !isset($_GET['provider'])) {
|
|
?>
|
|
<html>
|
|
<body>Select Provider:<br/>
|
|
<a href='?provider=Google'>Google</a><br/>
|
|
<a href='?provider=Yahoo'>Yahoo</a><br/>
|
|
<a href='?provider=Microsoft'>Microsoft/Outlook/Hotmail/Live/Office365</a><br/>
|
|
</body>
|
|
</html>
|
|
<?php
|
|
exit;
|
|
}
|
|
|
|
require 'vendor/autoload.php';
|
|
|
|
session_start();
|
|
|
|
$providerName = '';
|
|
|
|
if (array_key_exists('provider', $_GET)) {
|
|
$providerName = $_GET['provider'];
|
|
$_SESSION['provider'] = $providerName;
|
|
} elseif (array_key_exists('provider', $_SESSION)) {
|
|
$providerName = $_SESSION['provider'];
|
|
}
|
|
if (!in_array($providerName, ['Google', 'Microsoft', 'Yahoo'])) {
|
|
exit('Only Google, Microsoft and Yahoo OAuth2 providers are currently supported in this script.');
|
|
}
|
|
|
|
//These details are obtained by setting up an app in the Google developer console,
|
|
//or whichever provider you're using.
|
|
$clientId = 'RANDOMCHARS-----duv1n2.apps.googleusercontent.com';
|
|
$clientSecret = 'RANDOMCHARS-----lGyjPcRtvP';
|
|
|
|
//If this automatic URL doesn't work, set it yourself manually to the URL of this script
|
|
$redirectUri = (isset($_SERVER['HTTPS']) ? 'https://' : 'http://') . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'];
|
|
//$redirectUri = 'http://localhost/PHPMailer/redirect';
|
|
|
|
$params = [
|
|
'clientId' => $clientId,
|
|
'clientSecret' => $clientSecret,
|
|
'redirectUri' => $redirectUri,
|
|
'accessType' => 'offline'
|
|
];
|
|
|
|
$options = [];
|
|
$provider = null;
|
|
|
|
switch ($providerName) {
|
|
case 'Google':
|
|
$provider = new Google($params);
|
|
$options = [
|
|
'scope' => [
|
|
'https://mail.google.com/'
|
|
]
|
|
];
|
|
break;
|
|
case 'Yahoo':
|
|
$provider = new Yahoo($params);
|
|
break;
|
|
case 'Microsoft':
|
|
$provider = new Microsoft($params);
|
|
$options = [
|
|
'scope' => [
|
|
'wl.imap',
|
|
'wl.offline_access'
|
|
]
|
|
];
|
|
break;
|
|
}
|
|
|
|
if (null === $provider) {
|
|
exit('Provider missing');
|
|
}
|
|
|
|
if (!isset($_GET['code'])) {
|
|
// If we don't have an authorization code then get one
|
|
$authUrl = $provider->getAuthorizationUrl($options);
|
|
$_SESSION['oauth2state'] = $provider->getState();
|
|
header('Location: ' . $authUrl);
|
|
exit;
|
|
// Check given state against previously stored one to mitigate CSRF attack
|
|
} elseif (empty($_GET['state']) || ($_GET['state'] !== $_SESSION['oauth2state'])) {
|
|
unset($_SESSION['oauth2state']);
|
|
unset($_SESSION['provider']);
|
|
exit('Invalid state');
|
|
} else {
|
|
unset($_SESSION['provider']);
|
|
// Try to get an access token (using the authorization code grant)
|
|
$token = $provider->getAccessToken(
|
|
'authorization_code',
|
|
[
|
|
'code' => $_GET['code']
|
|
]
|
|
);
|
|
// Use this to interact with an API on the users behalf
|
|
// Use this to get a new access token if the old one expires
|
|
echo 'Refresh Token: ', $token->getRefreshToken();
|
|
}
|