--- /dev/null
- FIND_IN_SET(\'watch\', u.flags) AS watch_account, q.last_version
+<?php
+/***************************************************************************
+ * Copyright (C) 2003-2008 Polytechnique.org *
+ * http://opensource.polytechnique.org/ *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the Free Software *
+ * Foundation, Inc., *
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
+ ***************************************************************************/
+
+class XorgSession extends PlSession
+{
+ public function __construct()
+ {
+ parent::__construct();
+ S::bootstrap('perms_backup', new PlFlagSet());
+ }
+
+ public function startAvailableAuth()
+ {
+ if (!(S::v('perms') instanceof PlFlagSet)) {
+ S::set('perms', S::v('perms_backup'));
+ }
+ if (!S::logged()) {
+ $cookie = $this->tryCookie();
+ if ($cookie == 0) {
+ return $this->start(AUTH_COOKIE);
+ } else if ($cookie == 1 || $cooke == -2) {
+ return false;
+ }
+ }
+ if ((check_ip('dangerous') && S::has('uid')) || check_account()) {
+ $_SESSION['log']->log("view_page", $_SERVER['REQUEST_URI']);
+ }
+ return true;
+ }
+
+ /** Check the cookie and set the associated user_id in the auth_by_cookie session variable.
+ */
+ private function tryCookie()
+ {
+ S::kill('auth_by_cookie');
+ if (Cookie::v('ORGaccess') == '' || !Cookie::has('ORGuid')) {
+ return -1;
+ }
+
+ $res = XDB::query('SELECT user_id, password
+ FROM auth_user_md5
+ WHERE user_id = {?} AND perms IN(\'admin\', \'user\')',
+ Cookie::i('ORGuid'));
+ if ($res->numRows() != 0) {
+ list($uid, $password) = $res->fetchOneRow();
+ require_once 'secure_hash.inc.php';
+ $expected_value = hash_encrypt($password);
+ if ($expected_value == Cookie::v('ORGaccess')) {
+ S::set('auth_by_cookie', $uid);
+ return 0;
+ } else {
+ return 1;
+ }
+ }
+ return -2;
+ }
+
+ private function checkPassword($uname, $login, $response, $login_type)
+ {
+ $res = XDB::query('SELECT u.user_id, u.password
+ FROM auth_user_md5 AS u
+ INNER JOIN aliases AS a ON (a.id = u.user_id AND type != \'homonyme\')
+ WHERE a.' . $login_type . ' = {?} AND u.perms IN(\'admin\', \'user\')',
+ $login);
+ if (list($uid, $password) = $res->fetchOneRow()) {
+ require_once 'secure_hash.inc.php';
+ $expected_response = hash_encrypt("$uname:$password:" . S::v('challenge'));
+ if ($response != $expected_response) {
+ $new_password = hash_xor(Env::v('xorpass'), $password);
+ $expected_response = hash_encrypt("$uname:$new_password:" . S::v('challenge'));
+ if ($response == $expected_response) {
+ XDB::execute('UPDATE auth_user_md5
+ SET password = {?}
+ WHERE user_id = {?}',
+ $new_password, $uid);
+ }
+ }
+ if ($response != $expected_response) {
+ S::logger($uid)->log('auth_fail', 'bad password');
+ return null;
+ }
+ return $uid;
+ }
+ return null;
+ }
+
+
+ /** Check auth.
+ */
+ protected function doAuth($level)
+ {
+ global $globals;
+
+ /* Cookie authentication
+ */
+ if ($level == AUTH_COOKIE && !S::has('auth_by_cookie')) {
+ $this->tryCookie();
+ }
+ if ($level == AUTH_COOKIE && S::has('auth_by_cookie')) {
+ if (!S::logged()) {
+ S::set('auth', AUTH_COOKIE);
+ }
+ return S::i('auth_by_cookie');
+ }
+
+
+ /* We want to do auth... we must have infos from a form.
+ */
+ if (!Post::has('username') || !Post::has('response') || !S::has('challenge')) {
+ return null;
+ }
+
+ /** We come from an authentication form.
+ */
+ if (S::has('suid')) {
+ $suid = S::v('suid');
+ $login = $uname = $suid['forlife'];
+ $redirect = false;
+ } else {
+ $uname = Env::v('username');
+
+ if (Env::v('domain') == "alias") {
+ $res = XDB::query('SELECT redirect
+ FROM virtual
+ INNER JOIN virtual_redirect USING(vid)
+ WHERE alias LIKE {?}',
+ $uname . '@' . $globals->mail->alias_dom);
+ $redirect = $res->fetchOneCell();
+ if ($redirect) {
+ $login = substr($redirect, 0, strpos($redirect, '@'));
+ } else {
+ $login = '';
+ }
+ } else {
+ $login = $uname;
+ $redirect = false;
+ }
+ }
+
+ $uid = $this->checkPassword($uname, $login, Post::v('response'), (!$redirect && preg_match('/^\d*$/', $uname)) ? 'id' : 'alias');
+ if (!is_null($uid)) {
+ S::set('auth', AUTH_MDP);
+ if (Post::has('domain')) {
+ if (($domain = Post::v('domain', 'login')) == 'alias') {
+ setcookie('ORGdomain', "alias", (time() + 25920000), '/', '', 0);
+ } else {
+ setcookie('ORGdomain', '', (time() - 3600), '/', '', 0);
+ }
+ // pour que la modification soit effective dans le reste de la page
+ $_COOKIE['ORGdomain'] = $domain;
+ }
+ S::kill('challenge');
+ S::logger($uid)->log('auth_ok');
+ }
+ return $uid;
+ }
+
+ protected function startSessionAs($uid, $level)
+ {
+ if ((!is_null(S::v('user')) && S::i('user') != $uid) || (S::has('uid') && S::i('uid') != $uid)) {
+ return false;
+ } else if (S::has('uid')) {
+ return true;
+ }
+ if ($level == -1) {
+ S::set('auth', AUTH_COOKIE);
+ }
+ unset($_SESSION['log']);
+ $res = XDB::query('SELECT u.user_id AS uid, prenom, prenom_ini, nom, nom_ini, nom_usage, perms, promo, promo_sortie,
+ matricule, password, FIND_IN_SET(\'femme\', u.flags) AS femme,
+ a.alias AS forlife, a2.alias AS bestalias,
+ q.core_mail_fmt AS mail_fmt, UNIX_TIMESTAMP(q.banana_last) AS banana_last, q.watch_last, q.core_rss_hash,
++ FIND_IN_SET(\'watch\', u.flags) AS watch_account, q.last_version, g.g_account_name IS NOT NULL AS googleapps
+ FROM auth_user_md5 AS u
+ INNER JOIN auth_user_quick AS q USING(user_id)
+ INNER JOIN aliases AS a ON (u.user_id = a.id AND a.type = \'a_vie\')
+ INNER JOIN aliases AS a2 ON (u.user_id = a2.id AND FIND_IN_SET(\'bestalias\', a2.flags))
++ LEFT JOIN gapps_accounts AS g ON (u.user_id = g.l_userid AND g.g_status = \'active\')
+ WHERE u.user_id = {?} AND u.perms IN(\'admin\', \'user\')', $uid);
+ $sess = $res->fetchOneAssoc();
+ $perms = $sess['perms'];
+ unset($sess['perms']);
+ $res = XDB::query('SELECT UNIX_TIMESTAMP(s.start) AS lastlogin, s.host
+ FROM logger.sessions AS s
+ WHERE s.uid = {?} AND s.suid = 0
+ ORDER BY s.start DESC
+ LIMIT 1', $uid);
+ if ($res->numRows()) {
+ $sess = array_merge($sess, $res->fetchOneAssoc());
+ }
+ $suid = S::v('suid');
+
+ if ($suid) {
+ $logger = S::logger();
+ $logger->log("suid_start", S::v('forlife')." by {$suid['uid']}");
+ $sess['suid'] = $suid;
+ } else {
+ $logger = S::logger();
+ //$logger->log("connexion", Env::v('n'));
+ setcookie('ORGuid', $uid, (time() + 25920000), '/', '', 0);
+ if (Post::v('remember', 'false') == 'true') {
+ $cookie = hash_encrypt($sess['password']);
+ setcookie('ORGaccess', $cookie, (time() + 25920000), '/', '', 0);
+ if ($logger) {
+ $logger->log("cookie_on");
+ }
+ } else {
+ setcookie('ORGaccess', '', time() - 3600, '/', '', 0);
+ if ($logger) {
+ $logger->log("cookie_off");
+ }
+ }
+ }
+
+ $_SESSION = array_merge($_SESSION, $sess);
+ $this->makePerms($perms);
+ $this->securityChecks();
+ $this->setSkin();
+ $this->updateNbNotifs();
+ check_redirect();
+ return true;
+ }
+
+ private function securityChecks()
+ {
+ $mail_subject = array();
+ if (check_account()) {
+ $mail_subject[] = 'Connexion d\'un utilisateur surveillé';
+ }
+ if (check_ip('unsafe')) {
+ $mail_subject[] = 'Une IP surveillee a tente de se connecter';
+ if (check_ip('ban')) {
+ send_warning_mail(implode(' - ', $mail_subject));
+ $this->destroy();
+ Platal::page()->kill('Une erreur est survenue lors de la procédure d\'authentification. '
+ . 'Merci de contacter au plus vite '
+ . '<a href="mailto:support@polytechnique.org">support@polytechnique.org</a>');
+ return false;
+ }
+ }
+ if (count($mail_subject)) {
+ send_warning_mail(implode(' - ', $mail_subject));
+ }
+ }
+
+ public function makePerms($perm)
+ {
+ $flags = new PlFlagSet();
+ if ($perm == 'disabled' || $perm == 'ext') {
+ S::set('perms', $flags);
+ S::set('perms_backup', $flags);
+ return;
+ }
+ $flags->addFlag(PERMS_USER);
+ if ($perm == 'admin') {
+ $flags->addFlag(PERMS_ADMIN);
+ }
+ S::set('perms', $flags);
+ S::set('perms_backup', $flags);
+ }
+
+ public function setSkin()
+ {
+ global $globals;
+ if (S::logged() && (!S::has('skin') || S::has('suid'))) {
+ $uid = S::v('uid');
+ $res = XDB::query("SELECT skin_tpl
+ FROM auth_user_quick AS a
+ INNER JOIN skins AS s ON a.skin = s.id
+ WHERE user_id = {?} AND skin_tpl != ''", $uid);
+ S::set('skin', $res->fetchOneCell());
+ }
+ }
+
+ public function sureLevel()
+ {
+ return AUTH_MDP;
+ }
+
+
+ public function updateNbNotifs()
+ {
+ require_once 'notifs.inc.php';
+ $n = select_notifs(false, S::i('uid'), S::v('watch_last'), false);
+ S::set('notifs', $n->numRows());
+ }
+}
+
+// vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
+?>