<?php
/***************************************************************************
- * Copyright (C) 2003-2006 Polytechnique.org *
+ * Copyright (C) 2003-2008 Polytechnique.org *
* http://opensource.polytechnique.org/ *
* *
* This program is free software; you can redistribute it and/or modify *
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
***************************************************************************/
-require_once 'platal/session.inc.php';
-
-// {{{ class XorgSession
-
-class XorgSession
+class XorgSession extends PlSession
{
- var $challenge;
+ public function __construct()
+ {
+ parent::__construct();
+ S::bootstrap('perms_backup', new PlFlagSet());
+ }
- // {{{ function XorgSession()
+ 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;
+ }
- function XorgSession()
+ /** Check the cookie and set the associated user_id in the auth_by_cookie session variable.
+ */
+ private function tryCookie()
{
- $this->challenge = md5(uniqid(rand(), 1));
+ Platal::page()->trigError("Trying cookie");
+ S::kill('auth_by_cookie');
+ if (Cookie::v('ORGaccess') == '' || !Cookie::has('ORGuid')) {
+ return -1;
+ }
- if (!Session::has('uid')) {
- try_cookie();
+ $res = XDB::query('SELECT user_id, password
+ FROM auth_user_md5
+ WHERE user_id = {?} AND perms IN(\'admin\', \'user\')',
+ Cookie::i('ORGuid'));
+ if ($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;
+ }
}
- set_skin();
+ return -2;
}
- // }}}
- // {{{ function init
-
- function init() {
- @session_start();
- if (!Session::has('session')) {
- $_SESSION['session'] = new XorgSession;
+ private function checkPassword($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 $uid;
}
+ return null;
}
-
- // }}}
- // {{{ function destroy()
-
- function destroy() {
- @session_destroy();
- unset($_SESSION);
- XorgSession::init();
- }
-
- // }}}
- // {{{ function doAuth()
- /** Try to do an authentication.
- *
- * @param page the calling page (by reference)
+
+ /** Check auth.
*/
- function doAuth(&$page,$new_name=false)
+ protected function doAuth($level)
{
- global $globals;
- if (identified()) { // ok, c'est bon, on n'a rien à faire
- return true;
- }
+ global $globals;
- if (Session::has('session')) {
- $session =& Session::getMixed('session');
+ /* Cookie authentication
+ */
+ if ($level == AUTH_COOKIE && !S::has('auth_by_cookie')) {
+ $this->tryCookie();
}
- if (Env::has('username') && Env::has('response') && isset($session->challenge))
- {
- // si on vient de recevoir une identification par passwordpromptscreen.tpl
- // ou passwordpromptscreenlogged.tpl
- $uname = Env::get('username');
-
- if (Env::get('domain') == "alias") {
-
- $res = $globals->xdb->query(
- "SELECT redirect
- FROM virtual
- INNER JOIN virtual_redirect USING(vid)
- WHERE alias LIKE {?}", $uname."@".$globals->mail->alias_dom);
+ 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 (!Env::has('username') || !Env::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 = "";
+ $login = '';
}
} else {
$login = $uname;
+ $redirect = false;
}
-
- $field = (!$redirect && preg_match('/^\d*$/', $uname)) ? 'id' : 'alias';
- $res = $globals->xdb->query(
- "SELECT u.user_id, u.password
- FROM auth_user_md5 AS u
- INNER JOIN aliases AS a ON ( a.id=u.user_id AND type!='homonyme' )
- WHERE a.$field = {?} AND u.perms IN('admin','user')", $login);
-
- $logger =& Session::getMixed('log');
- if (list($uid, $password) = $res->fetchOneRow()) {
- require_once('secure_hash.inc.php');
- $expected_response=hash_encrypt("$uname:$password:{$session->challenge}");
- // le password de la base est peut-être encore encodé en md5
- if (Env::get('response') != $expected_response) {
- $new_password = hash_xor(Env::get('xorpass'), $password);
- $expected_response = hash_encrypt("$uname:$new_password:{$session->challenge}");
- if (Env::get('response') == $expected_response) {
- $globals->xdb->execute("UPDATE auth_user_md5 SET password = {?} WHERE user_id = {?}", $new_password, $uid);
- }
- }
- if (Env::get('response') == $expected_response) {
- if (Env::has('domain')) {
- if (($domain = Env::get('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'] = $domain;
- }
-
- unset($session->challenge);
- if ($logger) {
- $logger->log('auth_ok');
- }
- start_connexion($uid, true);
- if (Env::get('remember', 'false') == 'true') {
- $cookie = hash_encrypt(Session::get('password'));
- setcookie('ORGaccess',$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');
+ }
+
+ $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 (($domain = Post::v('domain', 'login')) == 'alias') {
+ setcookie('ORGdomain', "alias", (time() + 25920000), '/', '', 0);
+ } else {
+ setcookie('ORGdomain', '', (time() - 3600), '/', '', 0);
}
- } elseif ($logger) {
- $logger->log('auth_fail','bad login');
+ // pour que la modification soit effective dans le reste de la page
+ $_COOKIE['ORGdomain'] = $domain;
}
- }
- $this->doLogin($page,$new_name);
+ S::kill('challenge');
+ S::logger($uid)->log('auth_ok');
+ }
+ return $uid;
}
- // }}}
- // {{{ function doAuthCookie()
-
- /** Try to do a cookie-based authentication.
- *
- * @param page the calling page (by reference)
- */
- function doAuthCookie(&$page)
+ protected function startSessionAs($uid, $level)
{
- if (logged()) {
- return;
+ 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 (Env::has('username') and Env::has('response')) {
- return $this->doAuth($page);
+ if ($level == -1) {
+ S::set('auth', AUTH_COOKIE);
}
-
- if ($r = try_cookie()) {
- return $this->doAuth($page,($r>0));
+ unset($_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
+ 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))
+ 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());
}
- }
-
- // }}}
- // {{{ function doLogin()
+ $suid = S::v('suid');
- /** Display login screen.
- */
- function doLogin(&$page, $new_name=false)
- {
- if (logged() and !$new_name) {
- $page->changeTpl('password_prompt_logged.tpl');
- $page->addJsLink('javascript/do_challenge_response_logged.js');
- $page->assign("xorg_tpl", "password_prompt_logged.tpl");
- $page->run();
+ if ($suid) {
+ $logger = S::logger();
+ $logger->log("suid_start", S::v('forlife')." by {$suid['uid']}");
+ $sess['suid'] = $suid;
} else {
- $page->changeTpl('password_prompt.tpl');
- $page->addJsLink('javascript/do_challenge_response.js');
- $page->assign("xorg_tpl", "password_prompt.tpl");
-
- global $globals;
- if ($globals->mail->alias_dom) {
- $page->assign("domains", Array(
- $globals->mail->domain."/".$globals->mail->domain2,
- $globals->mail->alias_dom."/".$globals->mail->alias_dom2));
- $page->assign("domains_value", Array("login", "alias"));
- $page->assign("r_domain", Cookie::get('ORGdomain', 'login'));
+ $logger = S::logger();
+ //$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");
+ }
}
- $page->run();
- }
- exit;
- }
-
- // }}}
-}
-
-// }}}
-// {{{ 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()
-{
- global $globals;
- if (Cookie::get('ORGaccess') == '' or !Cookie::has('ORGuid')) {
- return -1;
+ $_SESSION = array_merge($_SESSION, $sess);
+ $this->makePerms($perms);
+ $this->securityChecks();
+ $this->setSkin();
+ update_NbNotifs();
+ check_redirect();
+ return true;
}
- $res = @$globals->xdb->query(
- "SELECT user_id,password FROM auth_user_md5 WHERE user_id = {?} AND perms IN('admin','user')",
- Cookie::getInt('ORGuid')
- );
- if ($res->numRows() != 0) {
- list($uid, $password) = $res->fetchOneRow();
- require_once('secure_hash.inc.php');
- $expected_value = hash_encrypt($password);
- if ($expected_value == Cookie::get('ORGaccess')) {
- start_connexion($uid, false);
- return 0;
- } else {
- return 1;
+ 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(' - ', $mail_subject));
}
}
- return -2;
-}
-
-// }}}
-// {{{ function start_connexion()
-
-/** place les variables de session dépendants de auth_user_md5
- * et met à jour les dates de dernière connexion si nécessaire
- * @return void
- * @see controlpermanent.inc.php controlauthentication.inc.php
- */
-function start_connexion ($uid, $identified)
-{
- global $globals;
- $res = $globals->xdb->query("
- SELECT u.user_id AS uid, prenom, nom, perms, promo, matricule, password, FIND_IN_SET('femme', u.flags) AS femme,
- UNIX_TIMESTAMP(s.start) AS lastlogin, s.host, 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
- 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 logger.sessions AS s ON (s.uid=u.user_id AND s.suid=0)
- WHERE u.user_id = {?} AND u.perms IN('admin','user')
- ORDER BY s.start DESC
- LIMIT 1", $uid);
- $sess = $res->fetchOneAssoc();
- $suid = Session::getMixed('suid');
-
- if ($suid) {
- $logger = new DiogenesCoreLogger($uid, $suid);
- $logger->log("suid_start", Session::get('forlife')." by {$suid['uid']}");
- $sess['suid'] = $suid;
- } else {
- $logger = Session::getMixed('log', new DiogenesCoreLogger($uid));
- $logger->log("connexion", $_SERVER['PHP_SELF']);
- setcookie('ORGuid', $uid, (time()+25920000), '/', '', 0);
+ public function makePerms($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);
}
- $_SESSION = $sess;
- $_SESSION['log'] = $logger;
- $_SESSION['auth'] = ($identified ? AUTH_MDP : AUTH_COOKIE);
- set_skin();
-}
-
-// }}}
-// {{{ function set_skin()
-
-function set_skin()
-{
- global $globals;
- if (logged() && $globals->skin->enable) {
- $uid = Session::getInt('uid');
- $res = $globals->xdb->query("SELECT skin,skin_tpl
- FROM auth_user_quick AS a
- INNER JOIN skins AS s ON a.skin=s.id
- WHERE user_id = {?} AND skin_tpl != ''", $uid);
- if (list($_SESSION['skin_id'], $_SESSION['skin']) = $res->fetchOneRow()) {
- return;
+ 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', $res->fetchOneCell());
}
}
- if ($globals->skin->enable) {
- $_SESSION['skin'] = $globals->skin->def_tpl;
- $_SESSION['skin_id'] = $globals->skin->def_id;
- } else {
- $_SESSION['skin'] = 'default.tpl';
- $_SESSION['skin_id'] = -1;
+
+ public function sureLevel()
+ {
+ return AUTH_MDP;
}
}
-// }}}
-
-// vim:set et sw=4 sts=4 sws=4 foldmethod=marker:
+// vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
?>
projects / platal.git / blobdiff