1051 lines
33 KiB
PHP
1051 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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require_once(DOKU_INC.'inc/common.php');
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require_once(DOKU_INC.'inc/io.php');
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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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global $conf;
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if($conf['useacl']){
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require_once(DOKU_INC.'inc/blowfish.php');
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require_once(DOKU_INC.'inc/mail.php');
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global $auth;
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// load the the backend auth functions and instantiate the auth object
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if (@file_exists(DOKU_INC.'inc/auth/'.$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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}
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// do the login either by cookie or provided credentials
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if($conf['useacl']){
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if($auth){
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if (!isset($_REQUEST['u'])) $_REQUEST['u'] = '';
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if (!isset($_REQUEST['p'])) $_REQUEST['p'] = '';
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if (!isset($_REQUEST['r'])) $_REQUEST['r'] = '';
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$_REQUEST['http_credentials'] = false;
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if (!$conf['rememberme']) $_REQUEST['r'] = false;
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// streamline HTTP auth credentials (IIS/rewrite -> mod_php)
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if(isset($_SERVER['HTTP_AUTHORIZATION'])){
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list($_SERVER['PHP_AUTH_USER'],$_SERVER['PHP_AUTH_PW']) =
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explode(':', base64_decode(substr($_SERVER['HTTP_AUTHORIZATION'], 6)));
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}
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// if no credentials were given try to use HTTP auth (for SSO)
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if(empty($_REQUEST['u']) && empty($_COOKIE[DOKU_COOKIE]) && !empty($_SERVER['PHP_AUTH_USER'])){
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$_REQUEST['u'] = $_SERVER['PHP_AUTH_USER'];
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$_REQUEST['p'] = $_SERVER['PHP_AUTH_PW'];
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$_REQUEST['http_credentials'] = true;
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}
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if($_REQUEST['authtok']){
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// when an authentication token is given, trust the session
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auth_validateToken($_REQUEST['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($_REQUEST['u'],$_REQUEST['p'],$_REQUEST['r']);
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}else{
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$evdata = array(
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'action' => $ACT,
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'user' => $_REQUEST['u'],
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'password' => $_REQUEST['p'],
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'sticky' => $_REQUEST['r'],
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'silent' => $_REQUEST['http_credentials'],
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);
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$evt = new Doku_Event('AUTH_LOGIN_CHECK',$evdata);
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if($evt->advise_before()){
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auth_login($evdata['user'],
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$evdata['password'],
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$evdata['sticky'],
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$evdata['silent']);
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}
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$evt->advise_after();
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unset($evt);
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unset($evdata);
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}
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}
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//load ACL into a global array
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global $AUTH_ACL;
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if(is_readable(DOKU_CONF.'acl.auth.php')){
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$AUTH_ACL = file(DOKU_CONF.'acl.auth.php');
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if(isset($_SERVER['REMOTE_USER'])){
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$AUTH_ACL = str_replace('%USER%',$_SERVER['REMOTE_USER'],$AUTH_ACL);
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$AUTH_ACL = str_replace('@USER@',$_SERVER['REMOTE_USER'],$AUTH_ACL); //legacy
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}
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}else{
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$AUTH_ACL = array();
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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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global $auth;
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$sticky ? $sticky = true : $sticky = false; //sanity check
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if(!empty($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'] = $user;
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auth_setCookie($user,PMA_blowfish_encrypt($pass,auth_cookiesalt()),$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,$pass) = auth_getCookie();
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// get session info
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$session = $_SESSION[DOKU_COOKIE]['auth'];
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if($user && $pass){
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// we got a cookie - see if we can trust it
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if(isset($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'] == $pass) && //still crypted
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($session['buid'] == auth_browseruid()) ){
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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 = $session['info']; //FIXME move all references to session
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return true;
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}
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// no we don't trust it yet - recheck pass but silent
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$pass = PMA_blowfish_decrypt($pass,auth_cookiesalt());
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return auth_login($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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*
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* @return string
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*/
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function auth_cookiesalt(){
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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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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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global $INFO, $ID;
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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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$USERINFO=null; //FIXME
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if (version_compare(PHP_VERSION, '5.2.0', '>')) {
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setcookie(DOKU_COOKIE,'',time()-600000,DOKU_REL,'',($conf['securecookie'] && is_ssl()),true);
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}else{
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setcookie(DOKU_COOKIE,'',time()-600000,DOKU_REL,'',($conf['securecookie'] && is_ssl()));
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}
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if($auth && $auth->canDo('logoff')){
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$auth->logOff();
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}
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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 $INFO['ismanager'], too
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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* @see auth_isadmin
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* @param string user - Username
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* @param array groups - List of groups the user is in
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* @param bool adminonly - when true checks if user is admin
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*/
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function auth_ismanager($user=null,$groups=null,$adminonly=false){
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global $conf;
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global $USERINFO;
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if(!$conf['useacl']) return false;
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if(is_null($user)) $user = $_SERVER['REMOTE_USER'];
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if(is_null($groups)) $groups = (array) $USERINFO['grps'];
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$user = auth_nameencode($user);
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// check username against superuser and manager
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$superusers = explode(',', $conf['superuser']);
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$superusers = array_unique($superusers);
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$superusers = array_map('trim', $superusers);
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// prepare an array containing only true values for array_map call
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$alltrue = array_fill(0, count($superusers), true);
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$superusers = array_map('auth_nameencode', $superusers, $alltrue);
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if(in_array($user, $superusers)) return true;
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if(!$adminonly){
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$managers = explode(',', $conf['manager']);
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$managers = array_unique($managers);
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$managers = array_map('trim', $managers);
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// prepare an array containing only true values for array_map call
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$alltrue = array_fill(0, count($managers), true);
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$managers = array_map('auth_nameencode', $managers, $alltrue);
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if(in_array($user, $managers)) return true;
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}
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// check user's groups against superuser and manager
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if (!empty($groups)) {
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//prepend groups with @ and nameencode
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$cnt = count($groups);
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for($i=0; $i<$cnt; $i++){
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$groups[$i] = '@'.auth_nameencode($groups[$i]);
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}
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// check groups against superuser and manager
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foreach($superusers as $supu)
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if(in_array($supu, $groups)) return true;
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if(!$adminonly){
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foreach($managers as $mana)
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if(in_array($mana, $groups)) return true;
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}
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}
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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 $INFO['isadmin'], too
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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* @see auth_ismanager
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*/
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function auth_isadmin($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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* 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 $groups Array of groups the user is in
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* @return int permission level
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*/
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function auth_aclcheck($id,$user,$groups){
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global $conf;
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global $AUTH_ACL;
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// if no ACL is used always return upload rights
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if(!$conf['useacl']) return AUTH_UPLOAD;
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//make sure groups is an array
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if(!is_array($groups)) $groups = array();
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//if user is superuser or in superusergroup return 255 (acl_admin)
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if(auth_isadmin($user,$groups)) { return AUTH_ADMIN; }
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$user = auth_nameencode($user);
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//prepend groups with @ and nameencode
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$cnt = count($groups);
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for($i=0; $i<$cnt; $i++){
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$groups[$i] = '@'.auth_nameencode($groups[$i]);
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}
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$ns = getNS($id);
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$perm = -1;
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if($user || count($groups)){
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//add ALL group
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$groups[] = '@ALL';
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//add User
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if($user) $groups[] = $user;
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//build regexp
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$regexp = join('|',$groups);
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}else{
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$regexp = '@ALL';
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}
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//check exact match first
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$matches = preg_grep('/^'.preg_quote($id,'/').'\s+('.$regexp.')\s+/',$AUTH_ACL);
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if(count($matches)){
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foreach($matches as $match){
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$match = preg_replace('/#.*$/','',$match); //ignore comments
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$acl = preg_split('/\s+/',$match);
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if($acl[2] > AUTH_DELETE) $acl[2] = AUTH_DELETE; //no admins in the ACL!
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if($acl[2] > $perm){
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$perm = $acl[2];
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}
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}
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if($perm > -1){
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//we had a match - return it
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return $perm;
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}
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}
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//still here? do the namespace checks
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if($ns){
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$path = $ns.':\*';
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}else{
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$path = '\*'; //root document
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}
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do{
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$matches = preg_grep('/^'.$path.'\s+('.$regexp.')\s+/',$AUTH_ACL);
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if(count($matches)){
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foreach($matches as $match){
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$match = preg_replace('/#.*$/','',$match); //ignore comments
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$acl = preg_split('/\s+/',$match);
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if($acl[2] > AUTH_DELETE) $acl[2] = AUTH_DELETE; //no admins in the ACL!
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if($acl[2] > $perm){
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$perm = $acl[2];
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}
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}
|
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//we had a match - return it
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return $perm;
|
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}
|
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|
|
//get next higher namespace
|
|
$ns = getNS($ns);
|
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|
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if($path != '\*'){
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$path = $ns.':\*';
|
|
if($path == ':\*') $path = '\*';
|
|
}else{
|
|
//we did this already
|
|
//looks like there is something wrong with the ACL
|
|
//break here
|
|
msg('No ACL setup yet! Denying access to everyone.');
|
|
return AUTH_NONE;
|
|
}
|
|
}while(1); //this should never loop endless
|
|
|
|
//still here? return no permissions
|
|
return AUTH_NONE;
|
|
}
|
|
|
|
/**
|
|
* Encode ASCII special chars
|
|
*
|
|
* Some auth backends allow special chars in their user and groupnames
|
|
* The special chars are encoded with this function. Only ASCII chars
|
|
* are encoded UTF-8 multibyte are left as is (different from usual
|
|
* urlencoding!).
|
|
*
|
|
* Decoding can be done with rawurldecode
|
|
*
|
|
* @author Andreas Gohr <gohr@cosmocode.de>
|
|
* @see rawurldecode()
|
|
*/
|
|
function auth_nameencode($name,$skip_group=false){
|
|
global $cache_authname;
|
|
$cache =& $cache_authname;
|
|
$name = (string) $name;
|
|
|
|
if (!isset($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 $pw;
|
|
}
|
|
|
|
/**
|
|
* Sends a password to the given user
|
|
*
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
*
|
|
* @return bool true on success
|
|
*/
|
|
function auth_sendPassword($user,$password){
|
|
global $conf;
|
|
global $lang;
|
|
global $auth;
|
|
|
|
$hdrs = '';
|
|
$userinfo = $auth->getUserData($user);
|
|
|
|
if(!$userinfo['mail']) return false;
|
|
|
|
$text = rawLocale('password');
|
|
$text = str_replace('@DOKUWIKIURL@',DOKU_URL,$text);
|
|
$text = str_replace('@FULLNAME@',$userinfo['name'],$text);
|
|
$text = str_replace('@LOGIN@',$user,$text);
|
|
$text = str_replace('@PASSWORD@',$password,$text);
|
|
$text = str_replace('@TITLE@',$conf['title'],$text);
|
|
|
|
return mail_send($userinfo['name'].' <'.$userinfo['mail'].'>',
|
|
$lang['regpwmail'],
|
|
$text,
|
|
$conf['mailfrom']);
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
global $auth;
|
|
|
|
if(!$_POST['save']) return false;
|
|
if(!$auth->canDo('addUser')) return false;
|
|
|
|
//clean username
|
|
$_POST['login'] = preg_replace('/.*:/','',$_POST['login']);
|
|
$_POST['login'] = cleanID($_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 $INFO;
|
|
global $lang;
|
|
global $auth;
|
|
|
|
if(empty($_POST['save'])) return false;
|
|
if(!checkSecurityToken()) return false;
|
|
|
|
// should not be able to get here without Profile being possible...
|
|
if(!$auth->canDo('Profile')) {
|
|
msg($lang['profna'],-1);
|
|
return false;
|
|
}
|
|
|
|
if ($_POST['newpass'] != $_POST['passchk']) {
|
|
msg($lang['regbadpass'], -1); // complain about misspelled passwords
|
|
return false;
|
|
}
|
|
|
|
//clean fullname and email
|
|
$_POST['fullname'] = trim(preg_replace('/[\x00-\x1f:<>&%,;]+/','',$_POST['fullname']));
|
|
$_POST['email'] = trim(preg_replace('/[\x00-\x1f:<>&%,;]+/','',$_POST['email']));
|
|
|
|
if (empty($_POST['fullname']) || empty($_POST['email'])) {
|
|
msg($lang['profnoempty'],-1);
|
|
return false;
|
|
}
|
|
|
|
if (!mail_isvalid($_POST['email'])){
|
|
msg($lang['regbadmail'],-1);
|
|
return false;
|
|
}
|
|
|
|
if ($_POST['fullname'] != $INFO['userinfo']['name'] && $auth->canDo('modName')) $changes['name'] = $_POST['fullname'];
|
|
if ($_POST['email'] != $INFO['userinfo']['mail'] && $auth->canDo('modMail')) $changes['mail'] = $_POST['email'];
|
|
if (!empty($_POST['newpass']) && $auth->canDo('modPass')) $changes['pass'] = $_POST['newpass'];
|
|
|
|
if (!count($changes)) {
|
|
msg($lang['profnochange'], -1);
|
|
return false;
|
|
}
|
|
|
|
if ($conf['profileconfirm']) {
|
|
if (!$auth->checkPass($_SERVER['REMOTE_USER'], $_POST['oldpass'])) {
|
|
msg($lang['badlogin'],-1);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if ($result = $auth->triggerUserMod('modify', array($_SERVER['REMOTE_USER'], $changes))) {
|
|
// update cookie and session with the changed data
|
|
$cookie = base64_decode($_COOKIE[DOKU_COOKIE]);
|
|
list($user,$sticky,$pass) = explode('|',$cookie,3);
|
|
if ($changes['pass']) $pass = PMA_blowfish_encrypt($changes['pass'],auth_cookiesalt());
|
|
|
|
auth_setCookie($_SERVER['REMOTE_USER'],$pass,(bool)$sticky);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
global $auth;
|
|
|
|
if(!actionOK('resendpwd')) return false;
|
|
|
|
// should not be able to get here without modPass being possible...
|
|
if(!$auth->canDo('modPass')) {
|
|
msg($lang['resendna'],-1);
|
|
return false;
|
|
}
|
|
|
|
$token = preg_replace('/[^a-f0-9]+/','',$_REQUEST['pwauth']);
|
|
|
|
if($token){
|
|
// we're in token phase
|
|
|
|
$tfile = $conf['cachedir'].'/'.$token{0}.'/'.$token.'.pwauth';
|
|
if(!@file_exists($tfile)){
|
|
msg($lang['resendpwdbadauth'],-1);
|
|
return false;
|
|
}
|
|
$user = io_readfile($tfile);
|
|
@unlink($tfile);
|
|
$userinfo = $auth->getUserData($user);
|
|
if(!$userinfo['mail']) {
|
|
msg($lang['resendpwdnouser'], -1);
|
|
return false;
|
|
}
|
|
|
|
$pass = auth_pwgen();
|
|
if (!$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($lang['regmailfail'],-1);
|
|
}
|
|
return true;
|
|
|
|
} else {
|
|
// we're in request phase
|
|
|
|
if(!$_POST['save']) return false;
|
|
|
|
if (empty($_POST['login'])) {
|
|
msg($lang['resendpwdmissing'], -1);
|
|
return false;
|
|
} else {
|
|
$_POST['login'] = preg_replace('/.*:/','',$_POST['login']);
|
|
$user = cleanID($_POST['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');
|
|
$text = str_replace('@DOKUWIKIURL@',DOKU_URL,$text);
|
|
$text = str_replace('@FULLNAME@',$userinfo['name'],$text);
|
|
$text = str_replace('@LOGIN@',$user,$text);
|
|
$text = str_replace('@TITLE@',$conf['title'],$text);
|
|
$text = str_replace('@CONFIRM@',$url,$text);
|
|
|
|
if(mail_send($userinfo['name'].' <'.$userinfo['mail'].'>',
|
|
$lang['regpwmail'],
|
|
$text,
|
|
$conf['mailfrom'])){
|
|
msg($lang['resendpwdconfirm'],1);
|
|
}else{
|
|
msg($lang['regmailfail'],-1);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
return false; // never reached
|
|
}
|
|
|
|
/**
|
|
* Encrypts a password using the given method and salt
|
|
*
|
|
* If the selected method needs a salt and none was given, a random one
|
|
* is chosen.
|
|
*
|
|
* The following methods are understood:
|
|
*
|
|
* smd5 - Salted MD5 hashing
|
|
* apr1 - Apache salted MD5 hashing
|
|
* md5 - Simple MD5 hashing
|
|
* sha1 - SHA1 hashing
|
|
* ssha - Salted SHA1 hashing
|
|
* crypt - Unix crypt
|
|
* mysql - MySQL password (old method)
|
|
* my411 - MySQL 4.1.1 password
|
|
* kmd5 - Salted MD5 hashing as used by UNB
|
|
*
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
* @return string The crypted password
|
|
*/
|
|
function auth_cryptPassword($clear,$method='',$salt=null){
|
|
global $conf;
|
|
if(empty($method)) $method = $conf['passcrypt'];
|
|
|
|
//prepare a salt
|
|
if(is_null($salt)) $salt = md5(uniqid(rand(), true));
|
|
|
|
switch(strtolower($method)){
|
|
case 'smd5':
|
|
if(defined('CRYPT_MD5') && CRYPT_MD5) return crypt($clear,'$1$'.substr($salt,0,8).'$');
|
|
// when crypt can't handle SMD5, falls through to pure PHP implementation
|
|
$magic = '1';
|
|
case 'apr1':
|
|
//from http://de.php.net/manual/en/function.crypt.php#73619 comment by <mikey_nich at hotmail dot com>
|
|
if(!$magic) $magic = 'apr1';
|
|
$salt = substr($salt,0,8);
|
|
$len = strlen($clear);
|
|
$text = $clear.'$'.$magic.'$'.$salt;
|
|
$bin = pack("H32", md5($clear.$salt.$clear));
|
|
for($i = $len; $i > 0; $i -= 16) {
|
|
$text .= substr($bin, 0, min(16, $i));
|
|
}
|
|
for($i = $len; $i > 0; $i >>= 1) {
|
|
$text .= ($i & 1) ? chr(0) : $clear{0};
|
|
}
|
|
$bin = pack("H32", md5($text));
|
|
for($i = 0; $i < 1000; $i++) {
|
|
$new = ($i & 1) ? $clear : $bin;
|
|
if ($i % 3) $new .= $salt;
|
|
if ($i % 7) $new .= $clear;
|
|
$new .= ($i & 1) ? $bin : $clear;
|
|
$bin = pack("H32", md5($new));
|
|
}
|
|
$tmp = '';
|
|
for ($i = 0; $i < 5; $i++) {
|
|
$k = $i + 6;
|
|
$j = $i + 12;
|
|
if ($j == 16) $j = 5;
|
|
$tmp = $bin[$i].$bin[$k].$bin[$j].$tmp;
|
|
}
|
|
$tmp = chr(0).chr(0).$bin[11].$tmp;
|
|
$tmp = strtr(strrev(substr(base64_encode($tmp), 2)),
|
|
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",
|
|
"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz");
|
|
return '$'.$magic.'$'.$salt.'$'.$tmp;
|
|
case 'md5':
|
|
return md5($clear);
|
|
case 'sha1':
|
|
return sha1($clear);
|
|
case 'ssha':
|
|
$salt=substr($salt,0,4);
|
|
return '{SSHA}'.base64_encode(pack("H*", sha1($clear.$salt)).$salt);
|
|
case 'crypt':
|
|
return crypt($clear,substr($salt,0,2));
|
|
case 'mysql':
|
|
//from http://www.php.net/mysql comment by <soren at byu dot edu>
|
|
$nr=0x50305735;
|
|
$nr2=0x12345671;
|
|
$add=7;
|
|
$charArr = preg_split("//", $clear);
|
|
foreach ($charArr as $char) {
|
|
if (($char == '') || ($char == ' ') || ($char == '\t')) continue;
|
|
$charVal = ord($char);
|
|
$nr ^= ((($nr & 63) + $add) * $charVal) + ($nr << 8);
|
|
$nr2 += ($nr2 << 8) ^ $nr;
|
|
$add += $charVal;
|
|
}
|
|
return sprintf("%08x%08x", ($nr & 0x7fffffff), ($nr2 & 0x7fffffff));
|
|
case 'my411':
|
|
return '*'.sha1(pack("H*", sha1($clear)));
|
|
case 'kmd5':
|
|
$key = substr($salt, 16, 2);
|
|
$hash1 = strtolower(md5($key . md5($clear)));
|
|
$hash2 = substr($hash1, 0, 16) . $key . substr($hash1, 16);
|
|
return $hash2;
|
|
default:
|
|
msg("Unsupported crypt method $method",-1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Verifies a cleartext password against a crypted hash
|
|
*
|
|
* The method and salt used for the crypted hash is determined automatically
|
|
* then the clear text password is crypted using the same method. If both hashs
|
|
* match true is is returned else false
|
|
*
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
* @return bool
|
|
*/
|
|
function auth_verifyPassword($clear,$crypt){
|
|
$method='';
|
|
$salt='';
|
|
|
|
//determine the used method and salt
|
|
$len = strlen($crypt);
|
|
if(preg_match('/^\$1\$([^\$]{0,8})\$/',$crypt,$m)){
|
|
$method = 'smd5';
|
|
$salt = $m[1];
|
|
}elseif(preg_match('/^\$apr1\$([^\$]{0,8})\$/',$crypt,$m)){
|
|
$method = 'apr1';
|
|
$salt = $m[1];
|
|
}elseif(substr($crypt,0,6) == '{SSHA}'){
|
|
$method = 'ssha';
|
|
$salt = substr(base64_decode(substr($crypt, 6)),20);
|
|
}elseif($len == 32){
|
|
$method = 'md5';
|
|
}elseif($len == 40){
|
|
$method = 'sha1';
|
|
}elseif($len == 16){
|
|
$method = 'mysql';
|
|
}elseif($len == 41 && $crypt[0] == '*'){
|
|
$method = 'my411';
|
|
}elseif($len == 34){
|
|
$method = 'kmd5';
|
|
$salt = $crypt;
|
|
}else{
|
|
$method = 'crypt';
|
|
$salt = substr($crypt,0,2);
|
|
}
|
|
|
|
//crypt and compare
|
|
if(auth_cryptPassword($clear,$method,$salt) === $crypt){
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Set the authentication cookie and add user identification data to the session
|
|
*
|
|
* @param string $user username
|
|
* @param string $pass encrypted password
|
|
* @param bool $sticky whether or not the cookie will last beyond the session
|
|
*/
|
|
function auth_setCookie($user,$pass,$sticky) {
|
|
global $conf;
|
|
global $auth;
|
|
global $USERINFO;
|
|
|
|
$USERINFO = $auth->getUserData($user);
|
|
|
|
// set cookie
|
|
$cookie = base64_encode($user).'|'.((int) $sticky).'|'.base64_encode($pass);
|
|
if($sticky) $time = time()+60*60*24*365; //one year
|
|
if (version_compare(PHP_VERSION, '5.2.0', '>')) {
|
|
setcookie(DOKU_COOKIE,$cookie,$time,DOKU_REL,'',($conf['securecookie'] && is_ssl()),true);
|
|
}else{
|
|
setcookie(DOKU_COOKIE,$cookie,$time,DOKU_REL,'',($conf['securecookie'] && is_ssl()));
|
|
}
|
|
// set session
|
|
$_SESSION[DOKU_COOKIE]['auth']['user'] = $user;
|
|
$_SESSION[DOKU_COOKIE]['auth']['pass'] = $pass;
|
|
$_SESSION[DOKU_COOKIE]['auth']['buid'] = auth_browseruid();
|
|
$_SESSION[DOKU_COOKIE]['auth']['info'] = $USERINFO;
|
|
$_SESSION[DOKU_COOKIE]['auth']['time'] = time();
|
|
}
|
|
|
|
/**
|
|
* Returns the user, (encrypted) password and sticky bit from cookie
|
|
*
|
|
* @returns array
|
|
*/
|
|
function auth_getCookie(){
|
|
list($user,$sticky,$pass) = explode('|',$_COOKIE[DOKU_COOKIE],3);
|
|
$sticky = (bool) $sticky;
|
|
$pass = base64_decode($pass);
|
|
$user = base64_decode($user);
|
|
return array($user,$sticky,$pass);
|
|
}
|
|
|
|
//Setup VIM: ex: et ts=2 enc=utf-8 :
|