aboutsummaryrefslogtreecommitdiff
path: root/lib/dokuwiki/inc/auth.php
diff options
context:
space:
mode:
authorsembrestels <sembrestels@riseup.net>2011-10-13 15:23:11 +0200
committersembrestels <sembrestels@riseup.net>2011-10-13 15:23:11 +0200
commit74bd6999c5e5c23ebbf90dbb6bdaabbddd7594cf (patch)
tree834c120d692be288f261bcae169eedd3d6b31d74 /lib/dokuwiki/inc/auth.php
parentf8be8643f0faadb2c0ce87d553b7b9d569af5afd (diff)
downloadelgg-74bd6999c5e5c23ebbf90dbb6bdaabbddd7594cf.tar.gz
elgg-74bd6999c5e5c23ebbf90dbb6bdaabbddd7594cf.tar.bz2
Rename lib/dokuwiki to vendors/dokuwiki
Diffstat (limited to 'lib/dokuwiki/inc/auth.php')
-rw-r--r--lib/dokuwiki/inc/auth.php1099
1 files changed, 0 insertions, 1099 deletions
diff --git a/lib/dokuwiki/inc/auth.php b/lib/dokuwiki/inc/auth.php
deleted file mode 100644
index 587e7c4e6..000000000
--- a/lib/dokuwiki/inc/auth.php
+++ /dev/null
@@ -1,1099 +0,0 @@
-<?php
-/**
- * Authentication library
- *
- * Including this file will automatically try to login
- * a user by calling auth_login()
- *
- * @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
- * @author Andreas Gohr <andi@splitbrain.org>
- */
-
-if(!defined('DOKU_INC')) die('meh.');
-require_once(DOKU_INC.'inc/common.php');
-require_once(DOKU_INC.'inc/io.php');
-
-// some ACL level defines
-define('AUTH_NONE',0);
-define('AUTH_READ',1);
-define('AUTH_EDIT',2);
-define('AUTH_CREATE',4);
-define('AUTH_UPLOAD',8);
-define('AUTH_DELETE',16);
-define('AUTH_ADMIN',255);
-
-global $conf;
-
-if($conf['useacl']){
- require_once(DOKU_INC.'inc/blowfish.php');
- require_once(DOKU_INC.'inc/mail.php');
-
- global $auth;
-
- // load the the backend auth functions and instantiate the auth object
- if (@file_exists(DOKU_INC.'inc/auth/'.$conf['authtype'].'.class.php')) {
- require_once(DOKU_INC.'inc/auth/basic.class.php');
- require_once(DOKU_INC.'inc/auth/'.$conf['authtype'].'.class.php');
-
- $auth_class = "auth_".$conf['authtype'];
- if (class_exists($auth_class)) {
- $auth = new $auth_class();
- if ($auth->success == false) {
- // degrade to unauthenticated user
- unset($auth);
- auth_logoff();
- msg($lang['authtempfail'], -1);
- }
- } else {
- nice_die($lang['authmodfailed']);
- }
- } else {
- nice_die($lang['authmodfailed']);
- }
-}
-
-// do the login either by cookie or provided credentials
-if($conf['useacl']){
- if($auth){
- if (!isset($_REQUEST['u'])) $_REQUEST['u'] = '';
- if (!isset($_REQUEST['p'])) $_REQUEST['p'] = '';
- if (!isset($_REQUEST['r'])) $_REQUEST['r'] = '';
- $_REQUEST['http_credentials'] = false;
- if (!$conf['rememberme']) $_REQUEST['r'] = false;
-
- // streamline HTTP auth credentials (IIS/rewrite -> mod_php)
- if(isset($_SERVER['HTTP_AUTHORIZATION'])){
- list($_SERVER['PHP_AUTH_USER'],$_SERVER['PHP_AUTH_PW']) =
- explode(':', base64_decode(substr($_SERVER['HTTP_AUTHORIZATION'], 6)));
- }
-
- // if no credentials were given try to use HTTP auth (for SSO)
- if(empty($_REQUEST['u']) && empty($_COOKIE[DOKU_COOKIE]) && !empty($_SERVER['PHP_AUTH_USER'])){
- $_REQUEST['u'] = $_SERVER['PHP_AUTH_USER'];
- $_REQUEST['p'] = $_SERVER['PHP_AUTH_PW'];
- $_REQUEST['http_credentials'] = true;
- }
-
- // apply cleaning
- $_REQUEST['u'] = $auth->cleanUser($_REQUEST['u']);
-
- if(isset($_REQUEST['authtok'])){
- // when an authentication token is given, trust the session
- auth_validateToken($_REQUEST['authtok']);
- }elseif(!is_null($auth) && $auth->canDo('external')){
- // external trust mechanism in place
- $auth->trustExternal($_REQUEST['u'],$_REQUEST['p'],$_REQUEST['r']);
- }else{
- $evdata = array(
- 'user' => $_REQUEST['u'],
- 'password' => $_REQUEST['p'],
- 'sticky' => $_REQUEST['r'],
- 'silent' => $_REQUEST['http_credentials'],
- );
- $evt = new Doku_Event('AUTH_LOGIN_CHECK',$evdata);
- if($evt->advise_before()){
- auth_login($evdata['user'],
- $evdata['password'],
- $evdata['sticky'],
- $evdata['silent']);
- }
- }
- }
-
- //load ACL into a global array
- global $AUTH_ACL;
- if($auth->cando['getACL']) {
- $AUTH_ACL = $auth->getACL();
- //support user wildcard
- if(isset($_SERVER['REMOTE_USER'])){
- $AUTH_ACL = str_replace('%USER%',$_SERVER['REMOTE_USER'],$AUTH_ACL);
- $AUTH_ACL = str_replace('@USER@',$_SERVER['REMOTE_USER'],$AUTH_ACL); //legacy
- }
- }
- elseif(is_readable(DOKU_CONF.'acl.auth.php')){
- $AUTH_ACL = file(DOKU_CONF.'acl.auth.php');
- //support user wildcard
- if(isset($_SERVER['REMOTE_USER'])){
- $AUTH_ACL = str_replace('%USER%',$_SERVER['REMOTE_USER'],$AUTH_ACL);
- $AUTH_ACL = str_replace('@USER@',$_SERVER['REMOTE_USER'],$AUTH_ACL); //legacy
- }
- }else{
- $AUTH_ACL = array();
- }
-}
-
-/**
- * This tries to login the user based on the sent auth credentials
- *
- * The authentication works like this: if a username was given
- * a new login is assumed and user/password are checked. If they
- * are correct the password is encrypted with blowfish and stored
- * together with the username in a cookie - the same info is stored
- * in the session, too. Additonally a browserID is stored in the
- * session.
- *
- * If no username was given the cookie is checked: if the username,
- * crypted password and browserID match between session and cookie
- * no further testing is done and the user is accepted
- *
- * If a cookie was found but no session info was availabe the
- * blowfish encrypted password from the cookie is decrypted and
- * together with username rechecked by calling this function again.
- *
- * On a successful login $_SERVER[REMOTE_USER] and $USERINFO
- * are set.
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- *
- * @param string $user Username
- * @param string $pass Cleartext Password
- * @param bool $sticky Cookie should not expire
- * @param bool $silent Don't show error on bad auth
- * @return bool true on successful auth
- */
-function auth_login($user,$pass,$sticky=false,$silent=false){
- global $USERINFO;
- global $conf;
- global $lang;
- global $auth;
- $sticky ? $sticky = true : $sticky = false; //sanity check
-
- if (!$auth) return false;
-
- if(!empty($user)){
- //usual login
- if ($auth->checkPass($user,$pass)){
- // make logininfo globally available
- $_SERVER['REMOTE_USER'] = $user;
- auth_setCookie($user,PMA_blowfish_encrypt($pass,auth_cookiesalt()),$sticky);
- return true;
- }else{
- //invalid credentials - log off
- if(!$silent) msg($lang['badlogin'],-1);
- auth_logoff();
- return false;
- }
- }else{
- // read cookie information
- list($user,$sticky,$pass) = auth_getCookie();
- // get session info
- $session = $_SESSION[DOKU_COOKIE]['auth'];
- if($user && $pass){
- // we got a cookie - see if we can trust it
- if(isset($session) &&
- $auth->useSessionCache($user) &&
- ($session['time'] >= time()-$conf['auth_security_timeout']) &&
- ($session['user'] == $user) &&
- ($session['pass'] == $pass) && //still crypted
- ($session['buid'] == auth_browseruid()) ){
- // he has session, cookie and browser right - let him in
- $_SERVER['REMOTE_USER'] = $user;
- $USERINFO = $session['info']; //FIXME move all references to session
- return true;
- }
- // no we don't trust it yet - recheck pass but silent
- $pass = PMA_blowfish_decrypt($pass,auth_cookiesalt());
- return auth_login($user,$pass,$sticky,true);
- }
- }
- //just to be sure
- auth_logoff(true);
- return false;
-}
-
-/**
- * Checks if a given authentication token was stored in the session
- *
- * Will setup authentication data using data from the session if the
- * token is correct. Will exit with a 401 Status if not.
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- * @param string $token The authentication token
- * @return boolean true (or will exit on failure)
- */
-function auth_validateToken($token){
- if(!$token || $token != $_SESSION[DOKU_COOKIE]['auth']['token']){
- // bad token
- header("HTTP/1.0 401 Unauthorized");
- print 'Invalid auth token - maybe the session timed out';
- unset($_SESSION[DOKU_COOKIE]['auth']['token']); // no second chance
- exit;
- }
- // still here? trust the session data
- global $USERINFO;
- $_SERVER['REMOTE_USER'] = $_SESSION[DOKU_COOKIE]['auth']['user'];
- $USERINFO = $_SESSION[DOKU_COOKIE]['auth']['info'];
- return true;
-}
-
-/**
- * Create an auth token and store it in the session
- *
- * NOTE: this is completely unrelated to the getSecurityToken() function
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- * @return string The auth token
- */
-function auth_createToken(){
- $token = md5(mt_rand());
- @session_start(); // reopen the session if needed
- $_SESSION[DOKU_COOKIE]['auth']['token'] = $token;
- session_write_close();
- return $token;
-}
-
-/**
- * Builds a pseudo UID from browser and IP data
- *
- * This is neither unique nor unfakable - still it adds some
- * security. Using the first part of the IP makes sure
- * proxy farms like AOLs are stil okay.
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- *
- * @return string a MD5 sum of various browser headers
- */
-function auth_browseruid(){
- $ip = clientIP(true);
- $uid = '';
- $uid .= $_SERVER['HTTP_USER_AGENT'];
- $uid .= $_SERVER['HTTP_ACCEPT_ENCODING'];
- $uid .= $_SERVER['HTTP_ACCEPT_LANGUAGE'];
- $uid .= $_SERVER['HTTP_ACCEPT_CHARSET'];
- $uid .= substr($ip,0,strpos($ip,'.'));
- return md5($uid);
-}
-
-/**
- * Creates a random key to encrypt the password in cookies
- *
- * This function tries to read the password for encrypting
- * cookies from $conf['metadir'].'/_htcookiesalt'
- * if no such file is found a random key is created and
- * and stored in this file.
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- *
- * @return string
- */
-function auth_cookiesalt(){
- global $conf;
- $file = $conf['metadir'].'/_htcookiesalt';
- $salt = io_readFile($file);
- if(empty($salt)){
- $salt = uniqid(rand(),true);
- io_saveFile($file,$salt);
- }
- return $salt;
-}
-
-/**
- * Log out the current user
- *
- * This clears all authentication data and thus log the user
- * off. It also clears session data.
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- * @param bool $keepbc - when true, the breadcrumb data is not cleared
- */
-function auth_logoff($keepbc=false){
- global $conf;
- global $USERINFO;
- global $INFO, $ID;
- global $auth;
-
- // make sure the session is writable (it usually is)
- @session_start();
-
- if(isset($_SESSION[DOKU_COOKIE]['auth']['user']))
- unset($_SESSION[DOKU_COOKIE]['auth']['user']);
- if(isset($_SESSION[DOKU_COOKIE]['auth']['pass']))
- unset($_SESSION[DOKU_COOKIE]['auth']['pass']);
- if(isset($_SESSION[DOKU_COOKIE]['auth']['info']))
- unset($_SESSION[DOKU_COOKIE]['auth']['info']);
- if(!$keepbc && isset($_SESSION[DOKU_COOKIE]['bc']))
- unset($_SESSION[DOKU_COOKIE]['bc']);
- if(isset($_SERVER['REMOTE_USER']))
- unset($_SERVER['REMOTE_USER']);
- $USERINFO=null; //FIXME
-
- if (version_compare(PHP_VERSION, '5.2.0', '>')) {
- setcookie(DOKU_COOKIE,'',time()-600000,DOKU_REL,'',($conf['securecookie'] && is_ssl()),true);
- }else{
- setcookie(DOKU_COOKIE,'',time()-600000,DOKU_REL,'',($conf['securecookie'] && is_ssl()));
- }
-
- if($auth && $auth->canDo('logoff')){
- $auth->logOff();
- }
-}
-
-/**
- * Check if a user is a manager
- *
- * Should usually be called without any parameters to check the current
- * user.
- *
- * The info is available through $INFO['ismanager'], too
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- * @see auth_isadmin
- * @param string user - Username
- * @param array groups - List of groups the user is in
- * @param bool adminonly - when true checks if user is admin
- */
-function auth_ismanager($user=null,$groups=null,$adminonly=false){
- global $conf;
- global $USERINFO;
- global $auth;
-
- if (!$auth) return false;
- if(is_null($user)) {
- if (!isset($_SERVER['REMOTE_USER'])) {
- return false;
- } else {
- $user = $_SERVER['REMOTE_USER'];
- }
- }
- $user = $auth->cleanUser($user);
- if(is_null($groups)) $groups = (array) $USERINFO['grps'];
- $groups = array_map(array($auth,'cleanGroup'),$groups);
- $user = auth_nameencode($user);
-
- // check username against superuser and manager
- $superusers = explode(',', $conf['superuser']);
- $superusers = array_unique($superusers);
- $superusers = array_map('trim', $superusers);
- // prepare an array containing only true values for array_map call
- $alltrue = array_fill(0, count($superusers), true);
- $superusers = array_map('auth_nameencode', $superusers, $alltrue);
-
- // case insensitive?
- if(!$auth->isCaseSensitive()){
- $superusers = array_map('utf8_strtolower',$superusers);
- $user = utf8_strtolower($user);
- }
-
- // check user match
- if(in_array($user, $superusers)) return true;
-
- // check managers
- if(!$adminonly){
- $managers = explode(',', $conf['manager']);
- $managers = array_unique($managers);
- $managers = array_map('trim', $managers);
- // prepare an array containing only true values for array_map call
- $alltrue = array_fill(0, count($managers), true);
- $managers = array_map('auth_nameencode', $managers, $alltrue);
- if(!$auth->isCaseSensitive()) $managers = array_map('utf8_strtolower',$managers);
- if(in_array($user, $managers)) return true;
- }
-
- // check user's groups against superuser and manager
- if (!empty($groups)) {
-
- //prepend groups with @ and nameencode
- $cnt = count($groups);
- for($i=0; $i<$cnt; $i++){
- $groups[$i] = '@'.auth_nameencode($groups[$i]);
- if(!$auth->isCaseSensitive()){
- $groups[$i] = utf8_strtolower($groups[$i]);
- }
- }
-
- // check groups against superuser and manager
- foreach($superusers as $supu)
- if(in_array($supu, $groups)) return true;
- if(!$adminonly){
- foreach($managers as $mana)
- if(in_array($mana, $groups)) return true;
- }
- }
-
- return false;
-}
-
-/**
- * Check if a user is admin
- *
- * Alias to auth_ismanager with adminonly=true
- *
- * The info is available through $INFO['isadmin'], too
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- * @see auth_ismanager
- */
-function auth_isadmin($user=null,$groups=null){
- return auth_ismanager($user,$groups,true);
-}
-
-/**
- * Convinience function for auth_aclcheck()
- *
- * This checks the permissions for the current user
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- *
- * @param string $id page ID (needs to be resolved and cleaned)
- * @return int permission level
- */
-function auth_quickaclcheck($id){
- global $conf;
- global $USERINFO;
- # if no ACL is used always return upload rights
- if(!$conf['useacl']) return AUTH_UPLOAD;
- //error_log("DOKUWIKI: auth_quickaclcheck:".$_SERVER['REMOTE_USER'].":".$id.json_encode($USERINFO));
- return auth_aclcheck($id,$_SERVER['REMOTE_USER'],$USERINFO['grps']);
-}
-
-/**
- * Returns the maximum rights a user has for
- * the given ID or its namespace
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- *
- * @param string $id page ID (needs to be resolved and cleaned)
- * @param string $user Username
- * @param array $groups Array of groups the user is in
- * @return int permission level
- */
-function auth_aclcheck($id,$user,$groups){
- global $conf;
- global $AUTH_ACL;
- 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;
- //build regexp
- $regexp = join('|',$groups);
- }else{
- $regexp = '@ALL';
- }
-
- //check exact match first
- $matches = preg_grep('/^'.preg_quote($id,'/').'\s+('.$regexp.')\s+/'.$ci,$AUTH_ACL);
- if(count($matches)){
- foreach($matches as $match){
- $match = preg_replace('/#.*$/','',$match); //ignore comments
- $acl = preg_split('/\s+/',$match);
- 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{
- $matches = preg_grep('/^'.$path.'\s+('.$regexp.')\s+/'.$ci,$AUTH_ACL);
- if(count($matches)){
- foreach($matches as $match){
- $match = preg_replace('/#.*$/','',$match); //ignore comments
- $acl = preg_split('/\s+/',$match);
- 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
- return $perm;
- }
-
- //get next higher namespace
- $ns = getNS($ns);
-
- if($path != '\*'){
- $path = $ns.':\*';
- if($path == ':\*') $path = '\*';
- }else{
- //we did this already
- //looks like there is something wrong with the ACL
- //break here
- msg('No ACL setup yet! Denying access to everyone.');
- return AUTH_NONE;
- }
- }while(1); //this should never loop endless
-
- //still here? return no permissions
- return AUTH_NONE;
-}
-
-/**
- * Encode ASCII special chars
- *
- * Some auth backends allow special chars in their user and groupnames
- * The special chars are encoded with this function. Only ASCII chars
- * are encoded UTF-8 multibyte are left as is (different from usual
- * urlencoding!).
- *
- * Decoding can be done with rawurldecode
- *
- * @author Andreas Gohr <gohr@cosmocode.de>
- * @see rawurldecode()
- */
-function auth_nameencode($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 $auth;
- if (!$auth) return false;
-
- $hdrs = '';
- $user = $auth->cleanUser($user);
- $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 $auth;
-
- if (!$auth) return false;
- if(!$_POST['save']) return false;
- if(!$auth->canDo('addUser')) 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 $INFO;
- global $lang;
- global $auth;
-
- if (!$auth) return false;
- 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']) && $auth->canDo('modName')) ||
- (empty($_POST['email']) && $auth->canDo('modMail'))) {
- msg($lang['profnoempty'],-1);
- return false;
- }
-
- if (!mail_isvalid($_POST['email']) && $auth->canDo('modMail')){
- msg($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 $auth;
-
- if(!actionOK('resendpwd')) return false;
- if (!$auth) 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 {
- $user = trim($auth->cleanUser($_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 $USERINFO;
-
- if (!$auth) return false;
- $USERINFO = $auth->getUserData($user);
-
- // set cookie
- $cookie = base64_encode($user).'|'.((int) $sticky).'|'.base64_encode($pass);
- $time = $sticky ? (time()+60*60*24*365) : 0; //one year
- if (version_compare(PHP_VERSION, '5.2.0', '>')) {
- setcookie(DOKU_COOKIE,$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;
- $_SESSION[DOKU_COOKIE]['auth']['time'] = time();
-}
-
-/**
- * Returns the user, (encrypted) password and sticky bit from cookie
- *
- * @returns array
- */
-function auth_getCookie(){
- if (!isset($_COOKIE[DOKU_COOKIE])) {
- return array(null, null, null);
- }
- 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 :