* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
***************************************************************************/
-class XorgSession extends PlSession
+require_once 'xorg.misc.inc.php';
+
+class XorgSession
{
- public function __construct()
- {
- parent::__construct();
- S::bootstrap('perms_backup', new PlFlagSet());
- }
+ // {{{ public static function init
- public function startAvailableAuth()
+ public static function init()
{
- 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;
- }
+ 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']);
}
- return true;
}
- /** Check the cookie and set the associated user_id in the auth_by_cookie session variable.
- */
- private function tryCookie()
- {
- Platal::page()->trigError("Trying cookie");
- S::kill('auth_by_cookie');
- if (Cookie::v('ORGaccess') == '' || !Cookie::has('ORGuid')) {
- return -1;
- }
+ // }}}
+ // {{{ public static function destroy()
- $res = XDB::query('SELECT user_id, password
- FROM auth_user_md5
- WHERE user_id = {?} AND perms IN(\'admin\', \'user\')',
- Cookie::i('ORGuid'));
- if ($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)
+ public static function destroy()
{
- $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 $uid;
- }
- return null;
+ S::destroy();
+ XorgSession::init();
}
+ // }}}
+ // {{{ public static function doAuth()
- /** Check auth.
- */
- protected function doAuth($level)
+ public static function doAuth($new_name = false)
{
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');
+ if (S::identified()) { // ok, c'est bon, on n'a rien à faire
+ return true;
}
-
- /* We want to do auth... we must have infos from a form.
- */
- if (!Env::has('username') || !Env::has('response') || !S::has('challenge')) {
- return null;
+ if (!Env::has('username') || !Env::has('response')
+ || !S::has('challenge'))
+ {
+ return false;
}
- /** We come from an authentication form.
- */
+ // si on vient de recevoir une identification par passwordpromptscreen.tpl
+ // ou passwordpromptscreenlogged.tpl
if (S::has('suid')) {
- $suid = S::v('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);
+ $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;
}
}
- $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);
+ $field = (!$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);
}
- // 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
- 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());
- }
- $suid = S::v('suid');
+ 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'] = $domain;
+ }
- if ($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', $cookie, (time() + 25920000), '/', '', 0);
+ S::kill('challenge');
if ($logger) {
- $logger->log("cookie_on");
+ $logger->log('auth_ok');
}
- } else {
- setcookie('ORGaccess', '', time() - 3600, '/', '', 0);
- if ($logger) {
- $logger->log("cookie_off");
+ if (!start_connexion($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');
}
- $_SESSION = array_merge($_SESSION, $sess);
- $this->makePerms($perms);
- $this->securityChecks();
- $this->setSkin();
- update_NbNotifs();
- check_redirect();
- return true;
+ return false;
}
- private function securityChecks()
+ // }}}
+ // {{{ public static function doAuthCookie()
+
+ /** Try to do a cookie-based authentication.
+ *
+ * @param page the calling page (by reference)
+ */
+ public static function doAuthCookie()
+
{
- $mail_subject = array();
- if (check_account()) {
- $mail_subject[] = 'Connexion d\'un utilisateur surveillé';
+ if (S::logged()) {
+ return true;
}
- if (check_ip('unsafe')) {
- $mail_subject[] = 'Une IP surveillee a tente de se connecter';
- if (check_ip('ban')) {
- send_warning_mail(implode(' - ', $mail_subject));
- $this->destroy();
- Platal::page()->kill('Une erreur est survenue lors de la procédure d\'authentification. '
- . 'Merci de contacter au plus vite '
- . '<a href="mailto:support@polytechnique.org">support@polytechnique.org</a>');
- return false;
- }
+
+ if (Env::has('username') and Env::has('response')) {
+ return XorgSession::doAuth();
}
- if (count($mail_subject)) {
- send_warning_mail(implode(' - ', $mail_subject));
+
+ if ($r = try_cookie()) {
+ return XorgSession::doAuth(($r > 0));
}
+
+ return false;
}
- public function makePerms($perm)
+ // }}}
+ // {{{ public static function make_perms()
+
+ public static function &make_perms($perm)
{
- $flags = new PlFlagSet();
+ $flags = new FlagSet();
if ($perm == 'disabled' || $perm == 'ext') {
- S::set('perms', $flags);
- S::set('perms_backup', $flags);
- return;
+ return $flags;
}
$flags->addFlag(PERMS_USER);
if ($perm == 'admin') {
$flags->addFlag(PERMS_ADMIN);
}
- S::set('perms', $flags);
- S::set('perms_backup', $flags);
+ return $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());
+ // }}}
+}
+
+// {{{ 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;
}
}
- public function sureLevel()
- {
- return AUTH_MDP;
+ 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;
+ }
}
}
projects / platal.git / blobdiff