ILIAS  release_5-4 Revision v5.4.26-12-gabc799a52e6
get_oauth_token.php
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1 <?php
31 namespace PHPMailer\PHPMailer;
32 
39 // @see https://github.com/thephpleague/oauth2-google
40 use League\OAuth2\Client\Provider\Google;
41 // @see https://packagist.org/packages/hayageek/oauth2-yahoo
42 use Hayageek\OAuth2\Client\Provider\Yahoo;
43 // @see https://github.com/stevenmaguire/oauth2-microsoft
44 use Stevenmaguire\OAuth2\Client\Provider\Microsoft;
45 
46 if (!isset($_GET['code']) && !isset($_GET['provider'])) {
47 ?>
48 <html>
49 <body>Select Provider:<br/>
50 <a href='?provider=Google'>Google</a><br/>
51 <a href='?provider=Yahoo'>Yahoo</a><br/>
52 <a href='?provider=Microsoft'>Microsoft/Outlook/Hotmail/Live/Office365</a><br/>
53 </body>
54 </html>
55 <?php
56 exit;
57 }
58 
59 require 'vendor/autoload.php';
60 
61 session_start();
62 
63 $providerName = '';
64 
65 if (array_key_exists('provider', $_GET)) {
66  $providerName = $_GET['provider'];
67  $_SESSION['provider'] = $providerName;
68 } elseif (array_key_exists('provider', $_SESSION)) {
69  $providerName = $_SESSION['provider'];
70 }
71 if (!in_array($providerName, ['Google', 'Microsoft', 'Yahoo'])) {
72  exit('Only Google, Microsoft and Yahoo OAuth2 providers are currently supported in this script.');
73 }
74 
75 //These details are obtained by setting up an app in the Google developer console,
76 //or whichever provider you're using.
77 $clientId = 'RANDOMCHARS-----duv1n2.apps.googleusercontent.com';
78 $clientSecret = 'RANDOMCHARS-----lGyjPcRtvP';
79 
80 //If this automatic URL doesn't work, set it yourself manually to the URL of this script
81 $redirectUri = (isset($_SERVER['HTTPS']) ? 'https://' : 'http://') . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'];
82 //$redirectUri = 'http://localhost/PHPMailer/redirect';
83 
84 $params = [
85  'clientId' => $clientId,
86  'clientSecret' => $clientSecret,
87  'redirectUri' => $redirectUri,
88  'accessType' => 'offline'
89 ];
90 
91 $options = [];
92 $provider = null;
93 
94 switch ($providerName) {
95  case 'Google':
96  $provider = new Google($params);
97  $options = [
98  'scope' => [
99  'https://mail.google.com/'
100  ]
101  ];
102  break;
103  case 'Yahoo':
104  $provider = new Yahoo($params);
105  break;
106  case 'Microsoft':
107  $provider = new Microsoft($params);
108  $options = [
109  'scope' => [
110  'wl.imap',
111  'wl.offline_access'
112  ]
113  ];
114  break;
115 }
116 
117 if (null === $provider) {
118  exit('Provider missing');
119 }
120 
121 if (!isset($_GET['code'])) {
122  // If we don't have an authorization code then get one
123  $authUrl = $provider->getAuthorizationUrl($options);
124  $_SESSION['oauth2state'] = $provider->getState();
125  header('Location: ' . $authUrl);
126  exit;
127 // Check given state against previously stored one to mitigate CSRF attack
128 } elseif (empty($_GET['state']) || ($_GET['state'] !== $_SESSION['oauth2state'])) {
129  unset($_SESSION['oauth2state']);
130  unset($_SESSION['provider']);
131  exit('Invalid state');
132 } else {
133  unset($_SESSION['provider']);
134  // Try to get an access token (using the authorization code grant)
135  $token = $provider->getAccessToken(
136  'authorization_code',
137  [
138  'code' => $_GET['code']
139  ]
140  );
141  // Use this to interact with an API on the users behalf
142  // Use this to get a new access token if the old one expires
143  echo 'Refresh Token: ', $token->getRefreshToken();
144 }
$_SERVER
if((!isset($_SERVER['DOCUMENT_ROOT'])) OR(empty($_SERVER['DOCUMENT_ROOT']))) $_SERVER['DOCUMENT_ROOT']
Definition: tcpdf_autoconfig.php:54
$_SESSION
$_SESSION["AccountId"]
Definition: cfg.phpunit.template.php:10
Google
Aliases for League Provider Classes Make sure you have added these to your composer.json and run composer install Plenty to choose from here:
$_GET
$_GET["client_id"]
Definition: cfg.phpunit.template.php:12
exit
exit
Definition: backend.php:16
html
html()
Definition: IntegrationTest.php:14
PHPMailer\PHPMailer\$clientId
if(array_key_exists('provider', $_GET)) elseif(array_key_exists('provider', $_SESSION)) if(!in_array($providerName, ['Google', 'Microsoft', 'Yahoo'])) $clientId
Definition: get_oauth_token.php:77
PHPMailer\PHPMailer
Get an OAuth2 token from an OAuth2 provider.
Definition: get_oauth_token.php:31