<?php
/***************************************************************************
- * Copyright (C) 2003-2009 Polytechnique.org *
+ * Copyright (C) 2003-2011 Polytechnique.org *
* http://opensource.polytechnique.org/ *
* *
* This program is free software; you can redistribute it and/or modify *
return true;
}
- /** Check the cookie and set the associated user_id in the auth_by_cookie session variable.
+ /** Check the cookie and set the associated uid in the auth_by_cookie session variable.
*/
private function tryCookie()
{
private function checkPassword($uname, $login, $response, $login_type)
{
- $res = XDB::query('SELECT a.uid, a.password
- FROM accounts AS a
- INNER JOIN aliases AS l ON (l.id = a.uid AND l.type != \'homonyme\')
- WHERE l.' . $login_type . ' = {?} AND a.state = \'active\'',
- $login);
+ if ($login_type == 'alias') {
+ $res = XDB::query('SELECT a.uid, a.password
+ FROM accounts AS a
+ INNER JOIN email_source_account AS e ON (e.uid = a.uid)
+ WHERE e.email = {?}',
+ $login);
+ } else {
+ $res = XDB::query('SELECT uid, password
+ FROM accounts
+ WHERE ' . $login_type . ' = {?}',
+ $login);
+ }
if (list($uid, $password) = $res->fetchOneRow()) {
$expected_response = sha1("$uname:$password:" . S::v('challenge'));
- /* XXX: Deprecates len(password) > 10 conversion */
+ /* Deprecates len(password) > 10 conversion. */
if ($response != $expected_response) {
if (!S::logged()) {
Platal::page()->trigError('Mot de passe ou nom d\'utilisateur invalide');
*/
if (S::suid()) {
$login = $uname = S::suid('uid');
- $redirect = false;
+ $loginType = 'uid';
} 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 = '';
- }
+ $uname = Post::v('username');
+ if (Post::s('domain') == "alias") {
+ $login = XDB::fetchOneCell('SELECT uid
+ FROM email_source_account
+ WHERE email = {?} AND type = \'alias_aux\'',
+ $uname);
+ $loginType = 'uid';
+ } else if (Post::s('domain') == 'hruid') {
+ $login = $uname;
+ $loginType = 'hruid';
} else {
$login = $uname;
- $redirect = false;
+ $loginType = is_numeric($uname) ? 'uid' : 'alias';
}
}
- $uid = $this->checkPassword($uname, $login, Post::v('response'), (!$redirect && is_numeric($uname)) ? 'id' : 'alias');
+ $uid = $this->checkPassword($uname, $login, Post::v('response'), $loginType);
if (!is_null($uid) && S::suid()) {
if (S::suid('uid') == $uid) {
$uid = S::i('uid');
S::set('auth', AUTH_MDP);
if (!S::suid()) {
if (Post::has('domain')) {
- if (($domain = Post::v('domain', 'login')) == 'alias') {
+ $domain = Post::v('domain', 'login');
+ if ($domain == 'alias') {
Cookie::set('domain', 'alias', 300);
+ } else if ($domain == 'ax') {
+ Cookie::set('domain', 'ax', 300);
} else {
Cookie::kill('domain');
}
protected function startSessionAs($user, $level)
{
- $session_user = S::v('user');
- if ((!is_null($session_user) && $session_user->id() != $user->id())
+ if ((!is_null(S::user()) && S::user()->id() != $user->id())
|| (S::has('uid') && S::i('uid') != $user->id())) {
return false;
} else if (S::has('uid')) {
S::set('auth', AUTH_MDP);
}
- // Retrieves main user properties.
- /** TODO: Move needed informations to account tables */
- /** TODO: Currently suppressed data are matricule, promo */
- /** TODO: Use the User object to fetch all this */
- $res = XDB::query("SELECT a.uid, a.hruid, a.display_name, a.full_name,
- a.sex = 'female' AS femme, a.email_format,
- a.token, FIND_IN_SET('watch', a.flags) AS watch_account,
- UNIX_TIMESTAMP(fp.last_seen) AS banana_last, UNIX_TIMESTAMP(w.last) AS watch_last,
- a.last_version, g.g_account_name IS NOT NULL AS googleapps,
- UNIX_TIMESTAMP(s.start) AS lastlogin, s.host,
- a.is_admin, at.perms
- FROM accounts AS a
- INNER JOIN account_types AS at ON(a.type = at.type)
- INNER JOIN watch AS w ON(w.uid = a.uid)
- LEFT JOIN forum_profiles AS fp ON(fp.uid = a.uid)
- LEFT JOIN gapps_accounts AS g ON(a.uid = g.l_userid AND g.g_status = 'active')
- LEFT JOIN logger.last_sessions AS ls ON (ls.uid = a.uid)
- LEFT JOIN logger.sessions AS s ON(s.id = ls.id)
- WHERE a.uid = {?} AND a.state = 'active'", $user->id());
- if ($res->numRows() != 1) {
- return false;
- }
-
- $sess = $res->fetchOneAssoc();
- $perms = $sess['perms'];
- unset($sess['perms']);
-
- // Loads the data into the real session.
- $_SESSION = array_merge($_SESSION, $sess);
+ // Loads uid and hruid into the session for developement conveniance.
+ $_SESSION = array_merge($_SESSION, array('uid' => $user->id(), 'hruid' => $user->hruid, 'token' => $user->token, 'user' => $user));
// Starts the session's logger, and sets up the permanent cookie.
if (S::suid()) {
}
// Finalizes the session setup.
- $this->makePerms($perms, S::b('is_admin'));
+ $this->makePerms($user->perms, $user->is_admin);
$this->securityChecks();
$this->setSkin();
$this->updateNbNotifs();
}
}
+ /**
+ * The authentication schema is based on three query parameters:
+ * ?user=<hruid>×tamp=<timestamp>&sig=<sig>
+ * where:
+ * - hruid is the hruid of the querying user
+ * - timestamp is the current UNIX timestamp, which has to be within a
+ * given distance of the server-side UNIX timestamp
+ * - sig is the HMAC of "<method>#<resource>#<payload>#<timestamp>" using
+ * a known secret of the user as the key.
+ *
+ * At the moment, the shared secret of the user is the sha1 hash of its
+ * password. This is temporary, though, until better support for tokens is
+ * implemented in plat/al.
+ * TODO(vzanotti): Switch to dedicated secrets for authentication.
+ */
+ public function apiAuth($method, $resource, $payload)
+ {
+ // Verify that the timestamp is within acceptable bounds.
+ $timestamp = Env::i('timestamp', 0);
+ if (abs($timestamp - time()) > Platal::globals()->api->timestamp_tolerance) {
+ return null;
+ }
+
+ // Retrieve the user corresponding to the forlife. Note that at the
+ // moment, other aliases are also accepted.
+ $user = User::getSilent(Env::s('user', ''));
+ if (is_null($user) || !$user->isActive()) {
+ return null;
+ }
+
+ // Determine the list of tokens associated with the user. At the moment,
+ // this is just the sha1 of the password.
+ $tokens = array($user->password());
+
+ // For each token, try to validate the signature.
+ $message = implode('#', array($method, $resource, $payload, $timestamp));
+ $signature = Env::s('sig');
+ foreach ($tokens as $token) {
+ $expected_signature = hash_hmac(
+ Platal::globals()->api->hmac_algo, $message, $token);
+ if ($signature == $expected_signature) {
+ return $user;
+ }
+ }
+
+ return null;
+ }
+
public function tokenAuth($login, $token)
{
- $res = XDB::query('SELECT a.uid AS user_id, a.hruid
- FROM aliases AS l
- INNER JOIN accounts AS a ON (l.id = a.uid AND a.state = \'active\')
- WHERE a.token = {?} AND l.alias = {?} AND l.type != \'homonyme\'',
- $token, $login);
+ $res = XDB::query('SELECT a.uid, a.hruid
+ FROM accounts AS a
+ WHERE a.token = {?} AND a.hruid = {?} AND a.state = \'active\'',
+ $token, $login);
if ($res->numRows() == 1) {
return new User(null, $res->fetchOneAssoc());
}