+++ /dev/null
-<?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 *
- ***************************************************************************/
-
-require_once 'xorg.misc.inc.php';
-
-class XorgSession
-{
- // {{{ public static function init
-
- public static function init()
- {
- S::init();
- if (!S::has('uid')) {
- try_cookie();
- }
- if ((check_ip('dangerous') && S::has('uid')) || check_account()) {
- $_SESSION['log']->log("view_page", $_SERVER['REQUEST_URI']);
- }
- }
-
- // }}}
- // {{{ public static function destroy()
-
- public static function destroy()
- {
- S::destroy();
- XorgSession::init();
- }
-
- // }}}
- // {{{ public static function doAuth()
-
- public static function doAuth($new_name = false)
- {
- global $globals;
- if (S::identified()) { // ok, c'est bon, on n'a rien à faire
- return true;
- }
-
- if (!Env::has('username') || !Env::has('response')
- || !S::has('challenge'))
- {
- return false;
- }
-
- // si on vient de recevoir une identification par passwordpromptscreen.tpl
- // ou passwordpromptscreenlogged.tpl
- 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;
- }
- }
-
- $field = (!$redirect && preg_match('/^\d*$/', $uname)) ? 'id' : 'alias';
- $res = XDB::query(
- "SELECT u.user_id, u.password
- FROM auth_user_md5 AS u
- INNER JOIN aliases AS a ON ( a.id=u.user_id AND type!='homonyme' )
- WHERE a.$field = {?} AND u.perms IN('admin','user')", $login);
-
- $logger = S::v('log');
- if (list($uid, $password) = $res->fetchOneRow()) {
- require_once('secure_hash.inc.php');
- $expected_response = hash_encrypt("$uname:$password:".S::v('challenge'));
- // le password de la base est peut-être encore encodé en md5
- if (Env::v('response') != $expected_response) {
- $new_password = hash_xor(Env::v('xorpass'), $password);
- $expected_response = hash_encrypt("$uname:$new_password:".S::v('challenge'));
- if (Env::v('response') == $expected_response) {
- XDB::execute("UPDATE auth_user_md5 SET password = {?} WHERE user_id = {?}",
- $new_password, $uid);
- }
- }
- if (Env::v('response') == $expected_response) {
- if (Env::has('domain')) {
- if (($domain = Env::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'] = $domain;
- }
-
- S::kill('challenge');
- if ($logger) {
- $logger->log('auth_ok');
- }
- if (!start_connexion($uid, true)) {
- return false;
- }
- if (Env::v('remember', 'false') == 'true') {
- $cookie = hash_encrypt(S::v('password'));
- setcookie('ORGaccess',$cookie,(time()+25920000),'/','',0);
- if ($logger) {
- $logger->log("cookie_on");
- }
- } else {
- setcookie('ORGaccess', '', time() - 3600, '/', '', 0);
-
- if ($logger) {
- $logger->log("cookie_off");
- }
- }
- return true;
- } elseif ($logger) {
- $logger->log('auth_fail','bad password');
- }
- } elseif ($logger) {
- $logger->log('auth_fail','bad login');
- }
-
- return false;
- }
-
- // }}}
- // {{{ public static function doAuthCookie()
-
- /** Try to do a cookie-based authentication.
- *
- * @param page the calling page (by reference)
- */
- public static function doAuthCookie()
-
- {
- if (S::logged()) {
- return true;
- }
-
- if (Env::has('username') and Env::has('response')) {
- return XorgSession::doAuth();
- }
-
- if ($r = try_cookie()) {
- return XorgSession::doAuth(($r > 0));
- }
-
- return false;
- }
-
- // }}}
- // {{{ public static function make_perms()
-
- public static function &make_perms($perm)
- {
- $flags = new FlagSet();
- if ($perm == 'disabled' || $perm == 'ext') {
- return $flags;
- }
- $flags->addFlag(PERMS_USER);
- if ($perm == 'admin') {
- $flags->addFlag(PERMS_ADMIN);
- }
- return $flags;
- }
-
- // }}}
-}
-
-// {{{ function try_cookie()
-
-/** réalise la récupération de $_SESSION pour qqn avec cookie
- * @return int 0 if all OK, -1 if no cookie, 1 if cookie with bad hash,
- * -2 should not happen
- */
-function try_cookie()
-{
- if (Cookie::v('ORGaccess') == '' or !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 ($expected_value == Cookie::v('ORGaccess')) {
- if (!start_connexion($uid, false)) {
- return -3;
- }
- return 0;
- } else {
- return 1;
- }
- }
-
- return -2;
-}
-
-// }}}
-// {{{ function start_connexion()
-
-/** place les variables de session dépendants de auth_user_md5
- * et met à jour les dates de dernière connexion si nécessaire
- * @return void
- * @see controlpermanent.inc.php controlauthentication.inc.php
- */
-function start_connexion ($uid, $identified)
-{
- $res = XDB::query("
- SELECT u.user_id AS uid, 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,
- nd.display AS display_name, nd.yourself AS yourself_name,
- nd.firstname AS prenom, nd.lastname AS nom
- 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))
- INNER JOIN profile_names_display AS nd ON (u.user_id = nd.user_id)
- WHERE u.user_id = {?} AND u.perms IN('admin','user')", $uid);
- $sess = $res->fetchOneAssoc();
- $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) {
- $logger = new CoreLogger($uid, $suid['uid']);
- $logger->log("suid_start", S::v('forlife')." by {$suid['uid']}");
- $sess['suid'] = $suid;
- } else {
- $logger = S::v('log', new CoreLogger($uid));
- $logger->log("connexion", Env::v('n'));
- setcookie('ORGuid', $uid, (time()+25920000), '/', '', 0);
- }
-
- $_SESSION = array_merge($_SESSION, $sess);
- $_SESSION['log'] = $logger;
- $_SESSION['auth'] = ($identified ? AUTH_MDP : AUTH_COOKIE);
- $_SESSION['perms'] =& XorgSession::make_perms($_SESSION['perms']);
- $mail_subject = null;
- if (check_account()) {
- $mail_subject = "Connexion d'un utilisateur surveillé";
- }
- if (check_ip('unsafe')) {
- if ($mail_subject) {
- $mail_subject .= ' - ';
- }
- $mail_subject .= "Une IP surveillee a tente de se connecter";
- if (check_ip('ban')) {
- send_warning_mail($mail_subject);
- $_SESSION = array();
- $_SESSION['perms'] = new FlagSet();
- $newpage = false;
- if (!Platal::page()) {
- require_once 'xorg.inc.php';
- new_skinned_page('platal/index.tpl');
- $newpage = true;
- }
- Platal::page()->trigError("Une erreur est survenue lors de la procédure d'authentification. "
- ."Merci de contacter au plus vite "
- ."<a href='mailto:support@polytechnique.org'>support@polytechnique.org</a>");
- if ($newpage) {
- Platal::page()->run();
- }
- return false;
- }
- }
- if ($mail_subject) {
- send_warning_mail($mail_subject);
- }
- set_skin();
- update_NbNotifs();
- check_redirect();
- return true;
-}
-
-// }}}
-
-function set_skin()
-{
- 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 != ''", $uid);
- if ($_SESSION['skin'] = $res->fetchOneCell()) {
- return;
- }
- }
-}
-
-// vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
-?>