1101 lines
33 KiB
PHP
1101 lines
33 KiB
PHP
<?php
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/**
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* Authentication library
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*
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* Including this file will automatically try to login
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* a user by calling auth_login()
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*
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* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
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* @author Andreas Gohr <andi@splitbrain.org>
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*/
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if(!defined('DOKU_INC')) die('meh.');
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// some ACL level defines
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define('AUTH_NONE', 0);
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define('AUTH_READ', 1);
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define('AUTH_EDIT', 2);
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define('AUTH_CREATE', 4);
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define('AUTH_UPLOAD', 8);
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define('AUTH_DELETE', 16);
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define('AUTH_ADMIN', 255);
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/**
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* Initialize the auth system.
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*
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* This function is automatically called at the end of init.php
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*
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* This used to be the main() of the auth.php
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*
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* @todo backend loading maybe should be handled by the class autoloader
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* @todo maybe split into multiple functions at the XXX marked positions
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* @triggers AUTH_LOGIN_CHECK
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* @return bool
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*/
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function auth_setup() {
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global $conf;
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/* @var auth_basic $auth */
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global $auth;
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/* @var Input $INPUT */
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global $INPUT;
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global $AUTH_ACL;
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global $lang;
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$AUTH_ACL = array();
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if(!$conf['useacl']) return false;
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// load the the backend auth functions and instantiate the auth object XXX
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if(@file_exists(DOKU_INC.'inc/auth/'.$conf['authtype'].'.class.php')) {
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require_once(DOKU_INC.'inc/auth/basic.class.php');
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require_once(DOKU_INC.'inc/auth/'.$conf['authtype'].'.class.php');
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$auth_class = "auth_".$conf['authtype'];
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if(class_exists($auth_class)) {
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$auth = new $auth_class();
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if($auth->success == false) {
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// degrade to unauthenticated user
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unset($auth);
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auth_logoff();
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msg($lang['authtempfail'], -1);
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}
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} else {
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nice_die($lang['authmodfailed']);
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}
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} else {
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nice_die($lang['authmodfailed']);
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}
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if(!$auth) return false;
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// do the login either by cookie or provided credentials XXX
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$INPUT->set('http_credentials', false);
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if(!$conf['rememberme']) $INPUT->set('r', false);
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// handle renamed HTTP_AUTHORIZATION variable (can happen when a fix like
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// the one presented at
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// http://www.besthostratings.com/articles/http-auth-php-cgi.html is used
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// for enabling HTTP authentication with CGI/SuExec)
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if(isset($_SERVER['REDIRECT_HTTP_AUTHORIZATION']))
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$_SERVER['HTTP_AUTHORIZATION'] = $_SERVER['REDIRECT_HTTP_AUTHORIZATION'];
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// streamline HTTP auth credentials (IIS/rewrite -> mod_php)
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if(isset($_SERVER['HTTP_AUTHORIZATION'])) {
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list($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']) =
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explode(':', base64_decode(substr($_SERVER['HTTP_AUTHORIZATION'], 6)));
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}
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// if no credentials were given try to use HTTP auth (for SSO)
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if(!$INPUT->str('u') && empty($_COOKIE[DOKU_COOKIE]) && !empty($_SERVER['PHP_AUTH_USER'])) {
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$INPUT->set('u', $_SERVER['PHP_AUTH_USER']);
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$INPUT->set('p', $_SERVER['PHP_AUTH_PW']);
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$INPUT->set('http_credentials', true);
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}
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// apply cleaning
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$INPUT->set('u', $auth->cleanUser($INPUT->str('u')));
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if($INPUT->str('authtok')) {
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// when an authentication token is given, trust the session
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auth_validateToken($INPUT->str('authtok'));
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} elseif(!is_null($auth) && $auth->canDo('external')) {
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// external trust mechanism in place
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$auth->trustExternal($INPUT->str('u'), $INPUT->str('p'), $INPUT->bool('r'));
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} else {
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$evdata = array(
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'user' => $INPUT->str('u'),
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'password' => $INPUT->str('p'),
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'sticky' => $INPUT->bool('r'),
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'silent' => $INPUT->bool('http_credentials')
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);
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trigger_event('AUTH_LOGIN_CHECK', $evdata, 'auth_login_wrapper');
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}
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//load ACL into a global array XXX
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$AUTH_ACL = auth_loadACL();
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return true;
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}
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/**
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* Loads the ACL setup and handle user wildcards
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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* @return array
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*/
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function auth_loadACL() {
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global $config_cascade;
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if(!is_readable($config_cascade['acl']['default'])) return array();
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$acl = file($config_cascade['acl']['default']);
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//support user wildcard
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if(isset($_SERVER['REMOTE_USER'])) {
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$len = count($acl);
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for($i = 0; $i < $len; $i++) {
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if($acl[$i]{0} == '#') continue;
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list($id, $rest) = preg_split('/\s+/', $acl[$i], 2);
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$id = str_replace('%USER%', cleanID($_SERVER['REMOTE_USER']), $id);
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$rest = str_replace('%USER%', auth_nameencode($_SERVER['REMOTE_USER']), $rest);
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$acl[$i] = "$id\t$rest";
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}
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}
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return $acl;
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}
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/**
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* Event hook callback for AUTH_LOGIN_CHECK
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*
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* @param $evdata
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* @return bool
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*/
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function auth_login_wrapper($evdata) {
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return auth_login(
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$evdata['user'],
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$evdata['password'],
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$evdata['sticky'],
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$evdata['silent']
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);
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}
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/**
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* This tries to login the user based on the sent auth credentials
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*
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* The authentication works like this: if a username was given
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* a new login is assumed and user/password are checked. If they
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* are correct the password is encrypted with blowfish and stored
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* together with the username in a cookie - the same info is stored
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* in the session, too. Additonally a browserID is stored in the
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* session.
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*
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* If no username was given the cookie is checked: if the username,
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* crypted password and browserID match between session and cookie
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* no further testing is done and the user is accepted
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*
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* If a cookie was found but no session info was availabe the
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* blowfish encrypted password from the cookie is decrypted and
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* together with username rechecked by calling this function again.
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*
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* On a successful login $_SERVER[REMOTE_USER] and $USERINFO
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* are set.
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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*
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* @param string $user Username
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* @param string $pass Cleartext Password
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* @param bool $sticky Cookie should not expire
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* @param bool $silent Don't show error on bad auth
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* @return bool true on successful auth
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*/
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function auth_login($user, $pass, $sticky = false, $silent = false) {
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global $USERINFO;
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global $conf;
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global $lang;
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/* @var auth_basic $auth */
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global $auth;
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$sticky ? $sticky = true : $sticky = false; //sanity check
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if(!$auth) return false;
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if(!empty($user)) {
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//usual login
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if($auth->checkPass($user, $pass)) {
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// make logininfo globally available
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$_SERVER['REMOTE_USER'] = $user;
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$secret = auth_cookiesalt(!$sticky); //bind non-sticky to session
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auth_setCookie($user, PMA_blowfish_encrypt($pass, $secret), $sticky);
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return true;
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} else {
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//invalid credentials - log off
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if(!$silent) msg($lang['badlogin'], -1);
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auth_logoff();
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return false;
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}
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} else {
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// read cookie information
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list($user, $sticky, $pass) = auth_getCookie();
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if($user && $pass) {
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// we got a cookie - see if we can trust it
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// get session info
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$session = $_SESSION[DOKU_COOKIE]['auth'];
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if(isset($session) &&
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$auth->useSessionCache($user) &&
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($session['time'] >= time() - $conf['auth_security_timeout']) &&
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($session['user'] == $user) &&
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($session['pass'] == sha1($pass)) && //still crypted
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($session['buid'] == auth_browseruid())
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) {
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// he has session, cookie and browser right - let him in
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$_SERVER['REMOTE_USER'] = $user;
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$USERINFO = $session['info']; //FIXME move all references to session
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return true;
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}
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// no we don't trust it yet - recheck pass but silent
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$secret = auth_cookiesalt(!$sticky); //bind non-sticky to session
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$pass = PMA_blowfish_decrypt($pass, $secret);
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return auth_login($user, $pass, $sticky, true);
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}
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}
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//just to be sure
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auth_logoff(true);
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return false;
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}
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/**
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* Checks if a given authentication token was stored in the session
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*
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* Will setup authentication data using data from the session if the
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* token is correct. Will exit with a 401 Status if not.
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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* @param string $token The authentication token
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* @return boolean true (or will exit on failure)
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*/
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function auth_validateToken($token) {
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if(!$token || $token != $_SESSION[DOKU_COOKIE]['auth']['token']) {
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// bad token
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header("HTTP/1.0 401 Unauthorized");
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print 'Invalid auth token - maybe the session timed out';
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unset($_SESSION[DOKU_COOKIE]['auth']['token']); // no second chance
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exit;
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}
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// still here? trust the session data
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global $USERINFO;
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$_SERVER['REMOTE_USER'] = $_SESSION[DOKU_COOKIE]['auth']['user'];
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$USERINFO = $_SESSION[DOKU_COOKIE]['auth']['info'];
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return true;
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}
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/**
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* Create an auth token and store it in the session
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*
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* NOTE: this is completely unrelated to the getSecurityToken() function
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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* @return string The auth token
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*/
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function auth_createToken() {
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$token = md5(mt_rand());
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@session_start(); // reopen the session if needed
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$_SESSION[DOKU_COOKIE]['auth']['token'] = $token;
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session_write_close();
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return $token;
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}
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/**
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* Builds a pseudo UID from browser and IP data
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*
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* This is neither unique nor unfakable - still it adds some
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* security. Using the first part of the IP makes sure
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* proxy farms like AOLs are stil okay.
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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*
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* @return string a MD5 sum of various browser headers
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*/
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function auth_browseruid() {
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$ip = clientIP(true);
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$uid = '';
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$uid .= $_SERVER['HTTP_USER_AGENT'];
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$uid .= $_SERVER['HTTP_ACCEPT_ENCODING'];
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$uid .= $_SERVER['HTTP_ACCEPT_LANGUAGE'];
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$uid .= $_SERVER['HTTP_ACCEPT_CHARSET'];
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$uid .= substr($ip, 0, strpos($ip, '.'));
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return md5($uid);
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}
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/**
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* Creates a random key to encrypt the password in cookies
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*
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* This function tries to read the password for encrypting
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* cookies from $conf['metadir'].'/_htcookiesalt'
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* if no such file is found a random key is created and
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* and stored in this file.
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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* @param bool $addsession if true, the sessionid is added to the salt
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* @return string
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*/
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function auth_cookiesalt($addsession = false) {
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global $conf;
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$file = $conf['metadir'].'/_htcookiesalt';
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$salt = io_readFile($file);
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if(empty($salt)) {
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$salt = uniqid(rand(), true);
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io_saveFile($file, $salt);
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}
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if($addsession) {
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$salt .= session_id();
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}
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return $salt;
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}
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/**
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* Log out the current user
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*
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* This clears all authentication data and thus log the user
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* off. It also clears session data.
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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* @param bool $keepbc - when true, the breadcrumb data is not cleared
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*/
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function auth_logoff($keepbc = false) {
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global $conf;
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global $USERINFO;
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/* @var auth_basic $auth */
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global $auth;
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// make sure the session is writable (it usually is)
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@session_start();
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if(isset($_SESSION[DOKU_COOKIE]['auth']['user']))
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unset($_SESSION[DOKU_COOKIE]['auth']['user']);
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if(isset($_SESSION[DOKU_COOKIE]['auth']['pass']))
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unset($_SESSION[DOKU_COOKIE]['auth']['pass']);
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if(isset($_SESSION[DOKU_COOKIE]['auth']['info']))
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unset($_SESSION[DOKU_COOKIE]['auth']['info']);
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if(!$keepbc && isset($_SESSION[DOKU_COOKIE]['bc']))
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unset($_SESSION[DOKU_COOKIE]['bc']);
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if(isset($_SERVER['REMOTE_USER']))
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unset($_SERVER['REMOTE_USER']);
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$USERINFO = null; //FIXME
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$cookieDir = empty($conf['cookiedir']) ? DOKU_REL : $conf['cookiedir'];
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if(version_compare(PHP_VERSION, '5.2.0', '>')) {
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setcookie(DOKU_COOKIE, '', time() - 600000, $cookieDir, '', ($conf['securecookie'] && is_ssl()), true);
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} else {
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setcookie(DOKU_COOKIE, '', time() - 600000, $cookieDir, '', ($conf['securecookie'] && is_ssl()));
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}
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if($auth) $auth->logOff();
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}
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/**
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* Check if a user is a manager
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*
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* Should usually be called without any parameters to check the current
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* user.
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*
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* The info is available through $INFO['ismanager'], too
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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* @see auth_isadmin
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* @param string $user Username
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* @param array $groups List of groups the user is in
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* @param bool $adminonly when true checks if user is admin
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* @return bool
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*/
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function auth_ismanager($user = null, $groups = null, $adminonly = false) {
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global $conf;
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global $USERINFO;
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/* @var auth_basic $auth */
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global $auth;
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if(!$auth) return false;
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if(is_null($user)) {
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if(!isset($_SERVER['REMOTE_USER'])) {
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return false;
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} else {
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$user = $_SERVER['REMOTE_USER'];
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}
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}
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if(is_null($groups)) {
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$groups = (array) $USERINFO['grps'];
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}
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// check superuser match
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if(auth_isMember($conf['superuser'], $user, $groups)) return true;
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if($adminonly) return false;
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// check managers
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if(auth_isMember($conf['manager'], $user, $groups)) return true;
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return false;
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}
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/**
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* Check if a user is admin
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*
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* Alias to auth_ismanager with adminonly=true
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*
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* The info is available through $INFO['isadmin'], too
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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* @see auth_ismanager()
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* @param string $user Username
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* @param array $groups List of groups the user is in
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* @return bool
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*/
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function auth_isadmin($user = null, $groups = null) {
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return auth_ismanager($user, $groups, true);
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}
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/**
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* Match a user and his groups against a comma separated list of
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* users and groups to determine membership status
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*
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* Note: all input should NOT be nameencoded.
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*
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* @param $memberlist string commaseparated list of allowed users and groups
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* @param $user string user to match against
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* @param $groups array groups the user is member of
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* @return bool true for membership acknowledged
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*/
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function auth_isMember($memberlist, $user, array $groups) {
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/* @var auth_basic $auth */
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global $auth;
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if(!$auth) return false;
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// clean user and groups
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if(!$auth->isCaseSensitive()) {
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$user = utf8_strtolower($user);
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$groups = array_map('utf8_strtolower', $groups);
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}
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$user = $auth->cleanUser($user);
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$groups = array_map(array($auth, 'cleanGroup'), $groups);
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// extract the memberlist
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$members = explode(',', $memberlist);
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$members = array_map('trim', $members);
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$members = array_unique($members);
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$members = array_filter($members);
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// compare cleaned values
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foreach($members as $member) {
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if(!$auth->isCaseSensitive()) $member = utf8_strtolower($member);
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if($member[0] == '@') {
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$member = $auth->cleanGroup(substr($member, 1));
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if(in_array($member, $groups)) return true;
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} else {
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$member = $auth->cleanUser($member);
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if($member == $user) return true;
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}
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}
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// still here? not a member!
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return false;
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}
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/**
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* Convinience function for auth_aclcheck()
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*
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* This checks the permissions for the current user
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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*
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* @param string $id page ID (needs to be resolved and cleaned)
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* @return int permission level
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*/
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function auth_quickaclcheck($id) {
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global $conf;
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global $USERINFO;
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# if no ACL is used always return upload rights
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if(!$conf['useacl']) return AUTH_UPLOAD;
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return auth_aclcheck($id, $_SERVER['REMOTE_USER'], $USERINFO['grps']);
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}
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/**
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* Returns the maximum rights a user has for
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* the given ID or its namespace
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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*
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* @param string $id page ID (needs to be resolved and cleaned)
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* @param string $user Username
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* @param array|null $groups Array of groups the user is in
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* @return int permission level
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*/
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function auth_aclcheck($id, $user, $groups) {
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global $conf;
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global $AUTH_ACL;
|
|
/* @var auth_basic $auth */
|
|
global $auth;
|
|
|
|
// if no ACL is used always return upload rights
|
|
if(!$conf['useacl']) return AUTH_UPLOAD;
|
|
if(!$auth) return AUTH_NONE;
|
|
|
|
//make sure groups is an array
|
|
if(!is_array($groups)) $groups = array();
|
|
|
|
//if user is superuser or in superusergroup return 255 (acl_admin)
|
|
if(auth_isadmin($user, $groups)) {
|
|
return AUTH_ADMIN;
|
|
}
|
|
|
|
$ci = '';
|
|
if(!$auth->isCaseSensitive()) $ci = 'ui';
|
|
|
|
$user = $auth->cleanUser($user);
|
|
$groups = array_map(array($auth, 'cleanGroup'), (array) $groups);
|
|
$user = auth_nameencode($user);
|
|
|
|
//prepend groups with @ and nameencode
|
|
$cnt = count($groups);
|
|
for($i = 0; $i < $cnt; $i++) {
|
|
$groups[$i] = '@'.auth_nameencode($groups[$i]);
|
|
}
|
|
|
|
$ns = getNS($id);
|
|
$perm = -1;
|
|
|
|
if($user || count($groups)) {
|
|
//add ALL group
|
|
$groups[] = '@ALL';
|
|
//add User
|
|
if($user) $groups[] = $user;
|
|
} else {
|
|
$groups[] = '@ALL';
|
|
}
|
|
|
|
//check exact match first
|
|
$matches = preg_grep('/^'.preg_quote($id, '/').'\s+(\S+)\s+/'.$ci, $AUTH_ACL);
|
|
if(count($matches)) {
|
|
foreach($matches as $match) {
|
|
$match = preg_replace('/#.*$/', '', $match); //ignore comments
|
|
$acl = preg_split('/\s+/', $match);
|
|
if(!in_array($acl[1], $groups)) {
|
|
continue;
|
|
}
|
|
if($acl[2] > AUTH_DELETE) $acl[2] = AUTH_DELETE; //no admins in the ACL!
|
|
if($acl[2] > $perm) {
|
|
$perm = $acl[2];
|
|
}
|
|
}
|
|
if($perm > -1) {
|
|
//we had a match - return it
|
|
return $perm;
|
|
}
|
|
}
|
|
|
|
//still here? do the namespace checks
|
|
if($ns) {
|
|
$path = $ns.':*';
|
|
} else {
|
|
$path = '*'; //root document
|
|
}
|
|
|
|
do {
|
|
$matches = preg_grep('/^'.preg_quote($path, '/').'\s+(\S+)\s+/'.$ci, $AUTH_ACL);
|
|
if(count($matches)) {
|
|
foreach($matches as $match) {
|
|
$match = preg_replace('/#.*$/', '', $match); //ignore comments
|
|
$acl = preg_split('/\s+/', $match);
|
|
if(!in_array($acl[1], $groups)) {
|
|
continue;
|
|
}
|
|
if($acl[2] > AUTH_DELETE) $acl[2] = AUTH_DELETE; //no admins in the ACL!
|
|
if($acl[2] > $perm) {
|
|
$perm = $acl[2];
|
|
}
|
|
}
|
|
//we had a match - return it
|
|
if($perm != -1) {
|
|
return $perm;
|
|
}
|
|
}
|
|
//get next higher namespace
|
|
$ns = getNS($ns);
|
|
|
|
if($path != '*') {
|
|
$path = $ns.':*';
|
|
if($path == ':*') $path = '*';
|
|
} else {
|
|
//we did this already
|
|
//looks like there is something wrong with the ACL
|
|
//break here
|
|
msg('No ACL setup yet! Denying access to everyone.');
|
|
return AUTH_NONE;
|
|
}
|
|
} while(1); //this should never loop endless
|
|
return AUTH_NONE;
|
|
}
|
|
|
|
/**
|
|
* Encode ASCII special chars
|
|
*
|
|
* Some auth backends allow special chars in their user and groupnames
|
|
* The special chars are encoded with this function. Only ASCII chars
|
|
* are encoded UTF-8 multibyte are left as is (different from usual
|
|
* urlencoding!).
|
|
*
|
|
* Decoding can be done with rawurldecode
|
|
*
|
|
* @author Andreas Gohr <gohr@cosmocode.de>
|
|
* @see rawurldecode()
|
|
*/
|
|
function auth_nameencode($name, $skip_group = false) {
|
|
global $cache_authname;
|
|
$cache =& $cache_authname;
|
|
$name = (string) $name;
|
|
|
|
// never encode wildcard FS#1955
|
|
if($name == '%USER%') return $name;
|
|
|
|
if(!isset($cache[$name][$skip_group])) {
|
|
if($skip_group && $name{0} == '@') {
|
|
$cache[$name][$skip_group] = '@'.preg_replace(
|
|
'/([\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f])/e',
|
|
"'%'.dechex(ord(substr('\\1',-1)))", substr($name, 1)
|
|
);
|
|
} else {
|
|
$cache[$name][$skip_group] = preg_replace(
|
|
'/([\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f])/e',
|
|
"'%'.dechex(ord(substr('\\1',-1)))", $name
|
|
);
|
|
}
|
|
}
|
|
|
|
return $cache[$name][$skip_group];
|
|
}
|
|
|
|
/**
|
|
* Create a pronouncable password
|
|
*
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
* @link http://www.phpbuilder.com/annotate/message.php3?id=1014451
|
|
*
|
|
* @return string pronouncable password
|
|
*/
|
|
function auth_pwgen() {
|
|
$pw = '';
|
|
$c = 'bcdfghjklmnprstvwz'; //consonants except hard to speak ones
|
|
$v = 'aeiou'; //vowels
|
|
$a = $c.$v; //both
|
|
|
|
//use two syllables...
|
|
for($i = 0; $i < 2; $i++) {
|
|
$pw .= $c[rand(0, strlen($c) - 1)];
|
|
$pw .= $v[rand(0, strlen($v) - 1)];
|
|
$pw .= $a[rand(0, strlen($a) - 1)];
|
|
}
|
|
//... and add a nice number
|
|
$pw .= rand(10, 99);
|
|
|
|
return $pw;
|
|
}
|
|
|
|
/**
|
|
* Sends a password to the given user
|
|
*
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
* @param string $user Login name of the user
|
|
* @param string $password The new password in clear text
|
|
* @return bool true on success
|
|
*/
|
|
function auth_sendPassword($user, $password) {
|
|
global $lang;
|
|
/* @var auth_basic $auth */
|
|
global $auth;
|
|
if(!$auth) return false;
|
|
|
|
$user = $auth->cleanUser($user);
|
|
$userinfo = $auth->getUserData($user);
|
|
|
|
if(!$userinfo['mail']) return false;
|
|
|
|
$text = rawLocale('password');
|
|
$trep = array(
|
|
'FULLNAME' => $userinfo['name'],
|
|
'LOGIN' => $user,
|
|
'PASSWORD' => $password
|
|
);
|
|
|
|
$mail = new Mailer();
|
|
$mail->to($userinfo['name'].' <'.$userinfo['mail'].'>');
|
|
$mail->subject($lang['regpwmail']);
|
|
$mail->setBody($text, $trep);
|
|
return $mail->send();
|
|
}
|
|
|
|
/**
|
|
* Register a new user
|
|
*
|
|
* This registers a new user - Data is read directly from $_POST
|
|
*
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
* @return bool true on success, false on any error
|
|
*/
|
|
function register() {
|
|
global $lang;
|
|
global $conf;
|
|
/* @var auth_basic $auth */
|
|
global $auth;
|
|
|
|
if(!$_POST['save']) return false;
|
|
if(!actionOK('register')) return false;
|
|
|
|
//clean username
|
|
$_POST['login'] = trim($auth->cleanUser($_POST['login']));
|
|
|
|
//clean fullname and email
|
|
$_POST['fullname'] = trim(preg_replace('/[\x00-\x1f:<>&%,;]+/', '', $_POST['fullname']));
|
|
$_POST['email'] = trim(preg_replace('/[\x00-\x1f:<>&%,;]+/', '', $_POST['email']));
|
|
|
|
if(empty($_POST['login']) ||
|
|
empty($_POST['fullname']) ||
|
|
empty($_POST['email'])
|
|
) {
|
|
msg($lang['regmissing'], -1);
|
|
return false;
|
|
}
|
|
|
|
if($conf['autopasswd']) {
|
|
$pass = auth_pwgen(); // automatically generate password
|
|
} elseif(empty($_POST['pass']) ||
|
|
empty($_POST['passchk'])
|
|
) {
|
|
msg($lang['regmissing'], -1); // complain about missing passwords
|
|
return false;
|
|
} elseif($_POST['pass'] != $_POST['passchk']) {
|
|
msg($lang['regbadpass'], -1); // complain about misspelled passwords
|
|
return false;
|
|
} else {
|
|
$pass = $_POST['pass']; // accept checked and valid password
|
|
}
|
|
|
|
//check mail
|
|
if(!mail_isvalid($_POST['email'])) {
|
|
msg($lang['regbadmail'], -1);
|
|
return false;
|
|
}
|
|
|
|
//okay try to create the user
|
|
if(!$auth->triggerUserMod('create', array($_POST['login'], $pass, $_POST['fullname'], $_POST['email']))) {
|
|
msg($lang['reguexists'], -1);
|
|
return false;
|
|
}
|
|
|
|
// create substitutions for use in notification email
|
|
$substitutions = array(
|
|
'NEWUSER' => $_POST['login'],
|
|
'NEWNAME' => $_POST['fullname'],
|
|
'NEWEMAIL' => $_POST['email'],
|
|
);
|
|
|
|
if(!$conf['autopasswd']) {
|
|
msg($lang['regsuccess2'], 1);
|
|
notify('', 'register', '', $_POST['login'], false, $substitutions);
|
|
return true;
|
|
}
|
|
|
|
// autogenerated password? then send him the password
|
|
if(auth_sendPassword($_POST['login'], $pass)) {
|
|
msg($lang['regsuccess'], 1);
|
|
notify('', 'register', '', $_POST['login'], false, $substitutions);
|
|
return true;
|
|
} else {
|
|
msg($lang['regmailfail'], -1);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Update user profile
|
|
*
|
|
* @author Christopher Smith <chris@jalakai.co.uk>
|
|
*/
|
|
function updateprofile() {
|
|
global $conf;
|
|
global $lang;
|
|
/* @var auth_basic $auth */
|
|
global $auth;
|
|
/* @var Input $INPUT */
|
|
global $INPUT;
|
|
|
|
if(!$INPUT->post->bool('save')) return false;
|
|
if(!checkSecurityToken()) return false;
|
|
|
|
if(!actionOK('profile')) {
|
|
msg($lang['profna'], -1);
|
|
return false;
|
|
}
|
|
|
|
$changes = array();
|
|
$changes['pass'] = $INPUT->post->str('newpass');
|
|
$changes['name'] = $INPUT->post->str('fullname');
|
|
$changes['mail'] = $INPUT->post->str('email');
|
|
|
|
// check misspelled passwords
|
|
if($changes['pass'] != $INPUT->post->str('passchk')) {
|
|
msg($lang['regbadpass'], -1);
|
|
return false;
|
|
}
|
|
|
|
// clean fullname and email
|
|
$changes['name'] = trim(preg_replace('/[\x00-\x1f:<>&%,;]+/', '', $changes['name']));
|
|
$changes['mail'] = trim(preg_replace('/[\x00-\x1f:<>&%,;]+/', '', $changes['mail']));
|
|
|
|
// no empty name and email (except the backend doesn't support them)
|
|
if((empty($changes['name']) && $auth->canDo('modName')) ||
|
|
(empty($changes['mail']) && $auth->canDo('modMail'))
|
|
) {
|
|
msg($lang['profnoempty'], -1);
|
|
return false;
|
|
}
|
|
if(!mail_isvalid($changes['mail']) && $auth->canDo('modMail')) {
|
|
msg($lang['regbadmail'], -1);
|
|
return false;
|
|
}
|
|
|
|
$changes = array_filter($changes);
|
|
|
|
// check for unavailable capabilities
|
|
if(!$auth->canDo('modName')) unset($changes['name']);
|
|
if(!$auth->canDo('modMail')) unset($changes['mail']);
|
|
if(!$auth->canDo('modPass')) unset($changes['pass']);
|
|
|
|
// anything to do?
|
|
if(!count($changes)) {
|
|
msg($lang['profnochange'], -1);
|
|
return false;
|
|
}
|
|
|
|
if($conf['profileconfirm']) {
|
|
if(!$auth->checkPass($_SERVER['REMOTE_USER'], $INPUT->post->str('oldpass'))) {
|
|
msg($lang['badlogin'], -1);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if($result = $auth->triggerUserMod('modify', array($_SERVER['REMOTE_USER'], $changes))) {
|
|
// update cookie and session with the changed data
|
|
if($changes['pass']) {
|
|
list( /*user*/, $sticky, /*pass*/) = auth_getCookie();
|
|
$pass = PMA_blowfish_encrypt($changes['pass'], auth_cookiesalt(!$sticky));
|
|
auth_setCookie($_SERVER['REMOTE_USER'], $pass, (bool) $sticky);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Send a new password
|
|
*
|
|
* This function handles both phases of the password reset:
|
|
*
|
|
* - handling the first request of password reset
|
|
* - validating the password reset auth token
|
|
*
|
|
* @author Benoit Chesneau <benoit@bchesneau.info>
|
|
* @author Chris Smith <chris@jalakai.co.uk>
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
*
|
|
* @return bool true on success, false on any error
|
|
*/
|
|
function act_resendpwd() {
|
|
global $lang;
|
|
global $conf;
|
|
/* @var auth_basic $auth */
|
|
global $auth;
|
|
/* @var Input $INPUT */
|
|
global $INPUT;
|
|
|
|
if(!actionOK('resendpwd')) {
|
|
msg($lang['resendna'], -1);
|
|
return false;
|
|
}
|
|
|
|
$token = preg_replace('/[^a-f0-9]+/', '', $INPUT->str('pwauth'));
|
|
|
|
if($token) {
|
|
// we're in token phase - get user info from token
|
|
|
|
$tfile = $conf['cachedir'].'/'.$token{0}.'/'.$token.'.pwauth';
|
|
if(!@file_exists($tfile)) {
|
|
msg($lang['resendpwdbadauth'], -1);
|
|
$INPUT->remove('pwauth');
|
|
return false;
|
|
}
|
|
// token is only valid for 3 days
|
|
if((time() - filemtime($tfile)) > (3 * 60 * 60 * 24)) {
|
|
msg($lang['resendpwdbadauth'], -1);
|
|
$INPUT->remove('pwauth');
|
|
@unlink($tfile);
|
|
return false;
|
|
}
|
|
|
|
$user = io_readfile($tfile);
|
|
$userinfo = $auth->getUserData($user);
|
|
if(!$userinfo['mail']) {
|
|
msg($lang['resendpwdnouser'], -1);
|
|
return false;
|
|
}
|
|
|
|
if(!$conf['autopasswd']) { // we let the user choose a password
|
|
$pass = $INPUT->str('pass');
|
|
|
|
// password given correctly?
|
|
if(!$pass) return false;
|
|
if($pass != $INPUT->str('passchk')) {
|
|
msg($lang['regbadpass'], -1);
|
|
return false;
|
|
}
|
|
|
|
// change it
|
|
if(!$auth->triggerUserMod('modify', array($user, array('pass' => $pass)))) {
|
|
msg('error modifying user data', -1);
|
|
return false;
|
|
}
|
|
|
|
} else { // autogenerate the password and send by mail
|
|
|
|
$pass = auth_pwgen();
|
|
if(!$auth->triggerUserMod('modify', array($user, array('pass' => $pass)))) {
|
|
msg('error modifying user data', -1);
|
|
return false;
|
|
}
|
|
|
|
if(auth_sendPassword($user, $pass)) {
|
|
msg($lang['resendpwdsuccess'], 1);
|
|
} else {
|
|
msg($lang['regmailfail'], -1);
|
|
}
|
|
}
|
|
|
|
@unlink($tfile);
|
|
return true;
|
|
|
|
} else {
|
|
// we're in request phase
|
|
|
|
if(!$INPUT->post->bool('save')) return false;
|
|
|
|
if(!$INPUT->post->str('login')) {
|
|
msg($lang['resendpwdmissing'], -1);
|
|
return false;
|
|
} else {
|
|
$user = trim($auth->cleanUser($INPUT->post->str('login')));
|
|
}
|
|
|
|
$userinfo = $auth->getUserData($user);
|
|
if(!$userinfo['mail']) {
|
|
msg($lang['resendpwdnouser'], -1);
|
|
return false;
|
|
}
|
|
|
|
// generate auth token
|
|
$token = md5(auth_cookiesalt().$user); //secret but user based
|
|
$tfile = $conf['cachedir'].'/'.$token{0}.'/'.$token.'.pwauth';
|
|
$url = wl('', array('do'=> 'resendpwd', 'pwauth'=> $token), true, '&');
|
|
|
|
io_saveFile($tfile, $user);
|
|
|
|
$text = rawLocale('pwconfirm');
|
|
$trep = array(
|
|
'FULLNAME' => $userinfo['name'],
|
|
'LOGIN' => $user,
|
|
'CONFIRM' => $url
|
|
);
|
|
|
|
$mail = new Mailer();
|
|
$mail->to($userinfo['name'].' <'.$userinfo['mail'].'>');
|
|
$mail->subject($lang['regpwmail']);
|
|
$mail->setBody($text, $trep);
|
|
if($mail->send()) {
|
|
msg($lang['resendpwdconfirm'], 1);
|
|
} else {
|
|
msg($lang['regmailfail'], -1);
|
|
}
|
|
return true;
|
|
}
|
|
// never reached
|
|
}
|
|
|
|
/**
|
|
* Encrypts a password using the given method and salt
|
|
*
|
|
* If the selected method needs a salt and none was given, a random one
|
|
* is chosen.
|
|
*
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
* @param string $clear The clear text password
|
|
* @param string $method The hashing method
|
|
* @param string $salt A salt, null for random
|
|
* @return string The crypted password
|
|
*/
|
|
function auth_cryptPassword($clear, $method = '', $salt = null) {
|
|
global $conf;
|
|
if(empty($method)) $method = $conf['passcrypt'];
|
|
|
|
$pass = new PassHash();
|
|
$call = 'hash_'.$method;
|
|
|
|
if(!method_exists($pass, $call)) {
|
|
msg("Unsupported crypt method $method", -1);
|
|
return false;
|
|
}
|
|
|
|
return $pass->$call($clear, $salt);
|
|
}
|
|
|
|
/**
|
|
* Verifies a cleartext password against a crypted hash
|
|
*
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
* @param string $clear The clear text password
|
|
* @param string $crypt The hash to compare with
|
|
* @return bool true if both match
|
|
*/
|
|
function auth_verifyPassword($clear, $crypt) {
|
|
$pass = new PassHash();
|
|
return $pass->verify_hash($clear, $crypt);
|
|
}
|
|
|
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/**
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* Set the authentication cookie and add user identification data to the session
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*
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* @param string $user username
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* @param string $pass encrypted password
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* @param bool $sticky whether or not the cookie will last beyond the session
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* @return bool
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*/
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function auth_setCookie($user, $pass, $sticky) {
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global $conf;
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/* @var auth_basic $auth */
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global $auth;
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global $USERINFO;
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if(!$auth) return false;
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$USERINFO = $auth->getUserData($user);
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// set cookie
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$cookie = base64_encode($user).'|'.((int) $sticky).'|'.base64_encode($pass);
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$cookieDir = empty($conf['cookiedir']) ? DOKU_REL : $conf['cookiedir'];
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$time = $sticky ? (time() + 60 * 60 * 24 * 365) : 0; //one year
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if(version_compare(PHP_VERSION, '5.2.0', '>')) {
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setcookie(DOKU_COOKIE, $cookie, $time, $cookieDir, '', ($conf['securecookie'] && is_ssl()), true);
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} else {
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setcookie(DOKU_COOKIE, $cookie, $time, $cookieDir, '', ($conf['securecookie'] && is_ssl()));
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}
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// set session
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$_SESSION[DOKU_COOKIE]['auth']['user'] = $user;
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$_SESSION[DOKU_COOKIE]['auth']['pass'] = sha1($pass);
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$_SESSION[DOKU_COOKIE]['auth']['buid'] = auth_browseruid();
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$_SESSION[DOKU_COOKIE]['auth']['info'] = $USERINFO;
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$_SESSION[DOKU_COOKIE]['auth']['time'] = time();
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return true;
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}
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/**
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* Returns the user, (encrypted) password and sticky bit from cookie
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*
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* @returns array
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*/
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function auth_getCookie() {
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if(!isset($_COOKIE[DOKU_COOKIE])) {
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return array(null, null, null);
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}
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list($user, $sticky, $pass) = explode('|', $_COOKIE[DOKU_COOKIE], 3);
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$sticky = (bool) $sticky;
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$pass = base64_decode($pass);
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$user = base64_decode($user);
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return array($user, $sticky, $pass);
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}
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//Setup VIM: ex: et ts=2 :
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