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PHPMailer/get_oauth_token.php
Juliette 3cb2162859
Improve PHPCS config (#2182)
* PHPCS: rename config file

... to `phpcs.xml.dist` to allow devs to locally overload the file by using a `.phpcs.xml` or `phpcs.xml` file, to, for instance, test out some new rules.

Includes:
* Adding the local overload files to `.gitignore`.
* Adding the standard config file to `.gitattributes`.

* PHPCS: scan missing file

The `get_oauth_token.php` file in the project root seems to have been overlooked when configuring the PHPCS ruleset.

Fixed now by adding it to the file to be scanned.

Includes minor fixes to make the file comply with the configured standard.

* CS: fix two files

Two minor CS fixes.

* PHPCS: miscellaneous changes

* Don't fix the PHPCS/external standards version restraints.
* Add the PHPCS cache file to `.gitignore`.
* Removing the no longer existent `.php_cs` file from `.gitattributes`.

Co-authored-by: jrfnl <jrfnl@users.noreply.github.com>
2020-10-26 17:25:46 +01:00

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();
}