File Source for auth.php

<?php
/**
* $Header$
*
* @package users
*/
/**
* Class that manages the bitweaver autentication method
*
* @package users
* @subpackage auth
*/
class BitAuth extends BaseAuth {
function BitAuth() {
parent::__construct('bit');
}
function validate($user,$pass,$challenge,$response) {
parent::validate($user,$pass,$challenge,$response);
global $gBitSystem;
global $gBitDb;
$ret = SERVER_ERROR;
if( empty( $user ) ) {
$this->mErrors['login'] = 'User not found';
} elseif( empty( $pass ) ) {
$this->mErrors['login'] = 'Password incorrect';
} else {
$loginVal = strtoupper( $user ); // case insensitive login
$loginCol = ' UPPER(`'.(strpos( $user, '@' ) ? 'email' : 'login').'`)';
// first verify that the user exists
$query = "select `email`, `login`, `user_id`, `user_password` from `".BIT_DB_PREFIX."users_users` where " . $gBitDb->convertBinary(). " $loginCol = ?";
$result = $gBitDb->query( $query, array( $loginVal ) );
if( !$result->numRows() ) {
$this->mErrors['login'] = 'User not found';
} else {
$res = $result->fetchRow();
$userId = $res['user_id'];
$user = $res['login'];
// TikiWiki 1.8+ uses this bizarro conglomeration of fields to get the hash. this sucks for many reasons
$hash = md5( strtolower($user) . $pass . $res['email']);
$hash2 = md5($pass);
// next verify the password with 2 hashes methods, the old one (pass)) and the new one (login.pass;email)
// TODO - this needs cleaning up - wolff_borg
if( !$gBitSystem->isFeatureActive( 'feature_challenge' ) || empty($response) ) {
$query = "select `user_id`, `hash` from `".BIT_DB_PREFIX."users_users` where " . $gBitDb->convertBinary(). " $loginCol = ? and (`hash`=? or `hash`=?)";
if ( $row = $gBitDb->getRow( $query, array( $loginVal, $hash, $hash2 ) ) ) {
// auto-update old hashes with simple and standard md5( password )
$hashUpdate = '';
if( $row['hash'] == $hash ) {
$hashUpdate = 'hash=?, ';
$bindVars[] = $hash2;
}
$bindVars[] = $gBitSystem->getUTCTime();
$bindVars[] = $userId;
$query = "update `".BIT_DB_PREFIX."users_users` set $hashUpdate `last_login`=`current_login`, `current_login`=? where `user_id`=?";
$result = $gBitDb->query($query, $bindVars );
$ret=USER_VALID;
} else {
$ret=PASSWORD_INCORRECT;
$this->mErrors[] = 'Password incorrect';
}
} else {
// Use challenge-reponse method
// Compare pass against md5(user,challenge,hash)
$hash = $gBitDb->getOne("select `hash` from `".BIT_DB_PREFIX."users_users` where " . $gBitDb->convertBinary(). " $loginCol = ?", array( $user ) );
if (!isset($_SESSION["challenge"])) {
$this->mErrors[] = 'Invalid challenge';
$ret=PASSWORD_INCORRECT;
}
//print("pass: $pass user: $user hash: $hash <br/>");
//print("challenge: ".$_SESSION["challenge"]." challenge: $challenge<br/>");
//print("response : $response<br/>");
if ($response == md5( strtolower($user) . $hash . $_SESSION["challenge"]) ) {
$ret = USER_VALID;
$this->updateLastLogin( $userId );
} else {
$this->mErrors[] = 'Invalid challenge';
$ret=PASSWORD_INCORRECT;
}
}
}
if (!empty($userId)) {
$this->mInfo['user_id']=$userId;
}
}
return( $ret );
}
function canManageAuth() {
return true;
}
function isSupported() {
return true;
}
function createUser( &$pUserHash ) {
//$authUserInfo = array( 'login' => $instance->mInfo['login'], 'password' => $instance->mInfo['password'], 'real_name' => $instance->mInfo['real_name'], 'email' => $instance->mInfo['email'] );
$u = new BitPermUser();
if( !$u->store( $pUserHash ) ) {
$this->mErrors = array_merge($this->mErrors,$u->mErrors);
}
return $u->mUserId;
}
}

Source for file auth.php