| 1 | <?php |
| 2 | /*************************************************************************** |
| 3 | * Copyright (C) 2003-2006 Polytechnique.org * |
| 4 | * http://opensource.polytechnique.org/ * |
| 5 | * * |
| 6 | * This program is free software; you can redistribute it and/or modify * |
| 7 | * it under the terms of the GNU General Public License as published by * |
| 8 | * the Free Software Foundation; either version 2 of the License, or * |
| 9 | * (at your option) any later version. * |
| 10 | * * |
| 11 | * This program is distributed in the hope that it will be useful, * |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 14 | * GNU General Public License for more details. * |
| 15 | * * |
| 16 | * You should have received a copy of the GNU General Public License * |
| 17 | * along with this program; if not, write to the Free Software * |
| 18 | * Foundation, Inc., * |
| 19 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
| 20 | ***************************************************************************/ |
| 21 | |
| 22 | $gpex_pass = $_GET["pass"]; |
| 23 | $gpex_url = urldecode($_GET["url"]); |
| 24 | if (strpos($gpex_url, '?') === false) { |
| 25 | $gpex_url .= "?PHPSESSID=" . $_GET["session"]; |
| 26 | } else { |
| 27 | $gpex_url .= "&PHPSESSID=" . $_GET["session"]; |
| 28 | } |
| 29 | /* a-t-on besoin d'ajouter le http:// ? */ |
| 30 | if (!preg_match("/^(http|https):\/\/.*/",$gpex_url)) |
| 31 | $gpex_url = "http://$gpex_url"; |
| 32 | $gpex_challenge = $_GET["challenge"]; |
| 33 | |
| 34 | require_once("xorg.inc.php"); |
| 35 | new_skinned_page('index.tpl',AUTH_COOKIE); |
| 36 | |
| 37 | // mise à jour de l'heure et de la machine de dernier login sauf quand on est en suid |
| 38 | if (!isset($_SESSION['suid'])) { |
| 39 | $logger = (isset($_SESSION['log']) && $_SESSION['log']->uid==$uid) ? $_SESSION['log'] : new DiogenesCoreLogger($uid); |
| 40 | $logger->log("connexion_auth_ext",$_SERVER['PHP_SELF']); |
| 41 | } |
| 42 | |
| 43 | /* cree le champs "auth" renvoye au Groupe X */ |
| 44 | function gpex_make_auth($chlg, $privkey, $datafields) { |
| 45 | global $globals; |
| 46 | $fieldarr = explode(",",$datafields); |
| 47 | $tohash = "1$chlg$privkey"; |
| 48 | |
| 49 | $res = $globals->xdb->query("SELECT matricule,matricule_ax,promo,promo_sortie,flags,deces,nom,prenom,nationalite,section,naissance FROM auth_user_md5 WHERE user_id = {?}", Session::getInt('uid')); |
| 50 | $personnal_data = $res->fetchOneAssoc(); |
| 51 | |
| 52 | while (list(,$val) = each($fieldarr)) { |
| 53 | /* on verifie qu'on n'a pas demandé une |
| 54 | variable inexistante ! */ |
| 55 | if (isset($_SESSION[$val])) { |
| 56 | $tohash .= $_SESSION[$val]; |
| 57 | } else if (isset($personnal_data[$val])) { |
| 58 | $tohash .= $personnal_data[$val]; |
| 59 | } else if ($val == 'username') { |
| 60 | $res = $globals->xdb->query("SELECT alias FROM aliases WHERE id = {?} AND FIND_IN_SET('bestalias', flags)", Session::getInt('uid')); |
| 61 | $min_username = $res->fetchOneCell(); |
| 62 | $tohash .= $min_username; |
| 63 | } |
| 64 | } |
| 65 | $tohash .= "1"; |
| 66 | return md5($tohash); |
| 67 | } |
| 68 | |
| 69 | /* cree les parametres de l'URL de retour avec les champs demandes */ |
| 70 | function gpex_make_params($chlg, $privkey, $datafields) { |
| 71 | global $globals; |
| 72 | $params = "&auth=".gpex_make_auth($chlg, $privkey, $datafields); |
| 73 | |
| 74 | $res = $globals->xdb->query("SELECT matricule,matricule_ax,promo,promo_sortie,flags,deces,nom,prenom,nationalite,section,naissance FROM auth_user_md5 WHERE user_id = {?}", Session::getInt('uid')); |
| 75 | $personnal_data = $res->fetchOneAssoc(); |
| 76 | |
| 77 | $fieldarr = explode(",",$datafields); |
| 78 | while (list(,$val) = each($fieldarr)) { |
| 79 | if (isset($_SESSION[$val])) { |
| 80 | $params .= "&$val=".$_SESSION[$val]; |
| 81 | } else if (isset($personnal_data[$val])) { |
| 82 | $params .= "&$val=".$personnal_data[$val]; |
| 83 | } else if ($val == 'username') { |
| 84 | $res = $globals->xdb->query("SELECT alias FROM aliases WHERE id = {?} AND FIND_IN_SET('bestalias', flags)", Session::getInt('uid')); |
| 85 | $min_username = $res->fetchOneCell(); |
| 86 | $params .= "&$val=".$min_username; |
| 87 | } |
| 88 | } |
| 89 | return $params; |
| 90 | } |
| 91 | |
| 92 | /* on parcourt les entrees de groupes_auth */ |
| 93 | $res = $globals->xdb->iterRow('select privkey,name,datafields from groupesx_auth'); |
| 94 | |
| 95 | while (list($privkey,$name,$datafields) = $res->next()) { |
| 96 | if (md5($gpex_challenge.$privkey) == $gpex_pass) { |
| 97 | $returl = $gpex_url.gpex_make_params($gpex_challenge,$privkey,$datafields); |
| 98 | redirect($returl); |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | /* si on n'a pas trouvé, on renvoit sur x.org */ |
| 103 | redirect('https://www.polytechnique.org/'); |
| 104 | |
| 105 | ?> |