| 1 | <?php |
| 2 | $core->url->register('xorgAuth', 'Xorg', '^auth/(.*)$', array('xorgAuthentifier', 'doAuth')); |
| 3 | |
| 4 | class xorgAuthWidget { |
| 5 | static public function widget(&$w) { |
| 6 | global $core; |
| 7 | if ($core->auth->xorg_infos['forlife']) { |
| 8 | return '<p>Tu es ' . $core->auth->xorg_infos['prenom'] . ' ' . $core->auth->xorg_infos['nom'] . '<br />' |
| 9 | . '<a href="auth/exit">déconnexion</a></p>'; |
| 10 | } else { |
| 11 | return '<p><a href="auth/Xorg?path=' . $_SERVER['REQUEST_URI'] . '">M\'authentifier via Polytechnique.org</a></p>'; |
| 12 | } |
| 13 | } |
| 14 | } |
| 15 | |
| 16 | class xorgAuthentifier extends dcUrlHandlers { |
| 17 | static public function doAuth($args) { |
| 18 | @session_start(); |
| 19 | switch ($args) { |
| 20 | case 'exit': |
| 21 | self::killSession(); |
| 22 | break; |
| 23 | case 'Xorg': |
| 24 | self::callXorg(); |
| 25 | break; |
| 26 | case 'XorgReturn': |
| 27 | self::returnXorg(); |
| 28 | break; |
| 29 | default: |
| 30 | self::p404(); |
| 31 | } |
| 32 | return; |
| 33 | } |
| 34 | |
| 35 | static protected function callXorg() { |
| 36 | if (@$_SESSION['auth-xorg']) { |
| 37 | header("Location: http://murphy.m4x.org/" . $_GET['path']); |
| 38 | return; |
| 39 | } |
| 40 | $_SESSION["auth-x-challenge"] = md5(uniqid(rand(), 1)); |
| 41 | $url = "https://www.polytechnique.org/auth-groupex/utf8"; |
| 42 | $url .= "?session=" . session_id(); |
| 43 | $url .= "&challenge=" . $_SESSION["auth-x-challenge"]; |
| 44 | $url .= "&pass=" . md5($_SESSION["auth-x-challenge"] . XORG_AUTH_KEY); |
| 45 | $url .= "&url=http://murphy.m4x.org/~x2003bruneau/dotclear/auth/XorgReturn" . urlencode("?path=" . $_GET['path']); |
| 46 | session_write_close(); |
| 47 | header("Location: $url"); |
| 48 | exit; |
| 49 | } |
| 50 | |
| 51 | static protected function returnXorg() { |
| 52 | if (!isset($_GET['auth'])) { |
| 53 | return false; |
| 54 | } |
| 55 | global $core; |
| 56 | $params = ''; |
| 57 | foreach($core->auth->xorg_infos as $key => $val) { |
| 58 | if(!isset($_GET[$key])) { |
| 59 | return false; |
| 60 | } |
| 61 | $_SESSION['auth-xorg-' . $key] = $_GET[$key]; |
| 62 | $core->auth->xorg_infos[$key] = $_GET[$key]; |
| 63 | $params .= $_GET[$key]; |
| 64 | } |
| 65 | if (md5('1' . $_SESSION['auth-x-challenge'] . XORG_AUTH_KEY . $params . '1') == $_GET['auth']) { |
| 66 | unset($_GET['auth']); |
| 67 | $_SESSION['auth-xorg'] = $_GET['forlife']; |
| 68 | header("Location: http://murphy.m4x.org/" . $_GET['path']); |
| 69 | return true; |
| 70 | } |
| 71 | $_SESSION['auth-xorg'] = null; |
| 72 | unset($_GET['auth']); |
| 73 | return false; |
| 74 | } |
| 75 | |
| 76 | static protected function killSession() { |
| 77 | @session_destroy(); |
| 78 | header('Location: http://murphy.m4x.org/~x2003bruneau/dotclear/'); |
| 79 | exit; |
| 80 | } |
| 81 | } |
| 82 | ?> |