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Bug #17280 » class.tx_sv_auth.php

Administrator Admin, 2007-05-08 17:38

 
<?php
/***************************************************************
* Copyright notice
*
* (c) 2004-2005 Ren� Fritz <r.fritz@colorcube.de>
* All rights reserved
*
* This script is part of the TYPO3 project. The TYPO3 project is
* free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* The GNU General Public License can be found at
* http://www.gnu.org/copyleft/gpl.html.
* A copy is found in the textfile GPL.txt and important notices to the license
* from the author is found in LICENSE.txt distributed with these scripts.
*
*
* This script is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/
/**
* Service 'User authentication' for the 'sv' extension.
*
* @author Ren� Fritz <r.fritz@colorcube.de>
*/
/**
* [CLASS/FUNCTION INDEX of SCRIPT]
*
*
*
* 56: class tx_sv_auth extends tx_sv_authbase
* 64: function getUser()
* 89: function authUser($user)
* 129: function getGroups($user, $knownGroups)
*
* TOTAL FUNCTIONS: 3
* (This index is automatically created/updated by the extension "extdeveval")
*
*/



/**
* Authentication services class
*
* @author Ren� Fritz <r.fritz@colorcube.de>
* @package TYPO3
* @subpackage tx_sv
*/
class tx_sv_auth extends tx_sv_authbase {


/**
* Find a user (eg. look up the user record in database when a login is sent)
*
* @return mixed user array or false
*/
function getUser() {
$user = false;

if ($this->login['status']=='login' && $this->login['uident']) {

$user = $this->fetchUserRecord($this->login['uname']);

if(!is_array($user)) {
// Failed login attempt (no username found)
$this->writelog(255,3,3,2,
"Login-attempt from %s (%s), username '%s' not found!!",
Array($this->authInfo['REMOTE_ADDR'], $this->authInfo['REMOTE_HOST'], $this->login['uname'])); // Logout written to log
} else {
if ($this->writeDevLog) t3lib_div::devLog('User found: '.t3lib_div::arrayToLogString($user, array($this->db_user['userid_column'],$this->db_user['username_column'])), 'tx_sv_auth');
}
}
return $user;
}

/**
* Authenticate a user (Check various conditions for the user that might invalidate its authentication, eg. password match, domain, IP, etc.)
*
* @param array Data of user.
* @return boolean
*/
function authUser($user) {
$OK = 100;

if ($this->login['uident'] && $this->login['uname']) {

// Checking password match for user:
$OK = $this->compareUident($user, $this->login);

if(!$OK) {
// Failed login attempt (wrong password) - write that to the log!
if ($this->writeAttemptLog) {
$this->writelog(255,3,3,1,
"Login-attempt from %s (%s), username '%s', password not accepted!",
Array($this->authInfo['REMOTE_ADDR'], $this->authInfo['REMOTE_HOST'], $this->login['uname']));
}
if ($this->writeDevLog) t3lib_div::devLog('Password not accepted: '.$this->login['uident'], 'tx_sv_auth', 2);
}

// Checking the domain (lockToDomain)
if ($OK && $user['lockToDomain'] && $user['lockToDomain']!=$this->authInfo['HTTP_HOST']) {
// Lock domain didn't match, so error:
if ($this->writeAttemptLog) {
$this->writelog(255,3,3,1,
"Login-attempt from %s (%s), username '%s', locked domain '%s' did not match '%s'!",
Array($this->authInfo['REMOTE_ADDR'], $this->authInfo['REMOTE_HOST'], $user[$this->db_user['username_column']], $user['lockToDomain'], $this->authInfo['HTTP_HOST']));
}
$OK = false;
}
}

return $OK;
}

/**
* Find usergroup records, currently only for frontend
*
* @param array Data of user.
* @param array Group data array of already known groups. This is handy if you want select other related groups. Keys in this array are unique IDs of those groups.
* @return mixed Groups array, keys = uid which must be unique
*/
function getGroups($user, $knownGroups) {
global $TYPO3_CONF_VARS;

$groupDataArr = array();

if($this->mode=='getGroupsFE') {

$groups = array();
if (is_array($user) && $user[$this->db_user['usergroup_column']]) {
$groupList = $user[$this->db_user['usergroup_column']];
$groups = array();
$this->getSubGroups($groupList,'',$groups);
}

// ADD group-numbers if the IPmask matches.
if (is_array($TYPO3_CONF_VARS['FE']['IPmaskMountGroups'])) {
foreach($TYPO3_CONF_VARS['FE']['IPmaskMountGroups'] as $IPel) {
if ($this->authInfo['REMOTE_ADDR'] && $IPel[0] && t3lib_div::cmpIP($this->authInfo['REMOTE_ADDR'],$IPel[0])) {$groups[]=intval($IPel[1]);}
}
}

$groups = array_unique($groups);

if (count($groups)) {
$list = implode(',',$groups);

if ($this->writeDevLog) t3lib_div::devLog('Get usergroups with id: '.$list, 'tx_sv_auth');

$lockToDomain_SQL = ' AND (lockToDomain=\'\' OR lockToDomain IS NULL OR lockToDomain=\''.$this->authInfo['HTTP_HOST'].'\')';
if (!$this->authInfo['showHiddenRecords']) $hiddenP = 'AND hidden=0 ';
$res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', $this->db_groups['table'], 'deleted=0 '.$hiddenP.' AND uid IN ('.$list.')'.$lockToDomain_SQL);
while ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
$groupDataArr[$row['uid']] = $row;
}
if ($res) $GLOBALS['TYPO3_DB']->sql_free_result($res);

} else {
if ($this->writeDevLog) t3lib_div::devLog('No usergroups found.', 'tx_sv_auth', 2);
}
} elseif ($this->mode=='getGroupsBE') {

# Get the BE groups here
# still needs to be implemented in t3lib_userauthgroup
}

return $groupDataArr;
}

/**
* Fetches subgroups of groups. Function is called recursively for each subgroup.
* Function was previously copied from t3lib_userAuthGroup->fetchGroups and has been slightly modified.
*
* @param string Commalist of fe_groups uid numbers
* @param string List of already processed fe_groups-uids so the function will not fall into a eternal recursion.
* @return array
* @access private
*/
function getSubGroups($grList, $idList='', &$groups) {

// Fetching records of the groups in $grList (which are not blocked by lockedToDomain either):
$lockToDomain_SQL = ' AND (lockToDomain=\'\' OR lockToDomain IS NULL OR lockToDomain=\''.$this->authInfo['HTTP_HOST'].'\')';
if (!$this->authInfo['showHiddenRecords']) $hiddenP = 'AND hidden=0 ';
$res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('uid,subgroup', 'fe_groups', 'deleted=0 '.$hiddenP.' AND uid IN ('.preg_replace('/,/','', $grList ,$limit=1).')'.$lockToDomain_SQL);

$groupRows = array(); // Internal group record storage

// The groups array is filled
while ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
if(!in_array($row['uid'], $groups)) { $groups[] = $row['uid']; }
$groupRows[$row['uid']] = $row;
}

// Traversing records in the correct order
$include_staticArr = t3lib_div::intExplode(',', $grList);
foreach($include_staticArr as $uid) { // traversing list

// Get row:
$row=$groupRows[$uid];
if (is_array($row) && !t3lib_div::inList($idList,$uid)) { // Must be an array and $uid should not be in the idList, because then it is somewhere previously in the grouplist

// Include sub groups
if (trim($row['subgroup'])) {
$theList = implode(',',t3lib_div::intExplode(',',$row['subgroup'])); // Make integer list
$this->getSubGroups($theList, $idList.','.$uid, $groups); // Call recursively, pass along list of already processed groups so they are not recursed again.
}
}
}
}
}



if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/sv/class.tx_sv_auth.php']) {
include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/sv/class.tx_sv_auth.php']);
}
?>
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