Documentation TYPO3 par Ameos

class.tslib_feuserauth.php

00001 <?php
00002 /***************************************************************
00003 *  Copyright notice
00004 *
00005 *  (c) 1999-2005 Kasper Skaarhoj (kasperYYYY@typo3.com)
00006 *  All rights reserved
00007 *
00008 *  This script is part of the TYPO3 project. The TYPO3 project is
00009 *  free software; you can redistribute it and/or modify
00010 *  it under the terms of the GNU General Public License as published by
00011 *  the Free Software Foundation; either version 2 of the License, or
00012 *  (at your option) any later version.
00013 *
00014 *  The GNU General Public License can be found at
00015 *  http://www.gnu.org/copyleft/gpl.html.
00016 *  A copy is found in the textfile GPL.txt and important notices to the license
00017 *  from the author is found in LICENSE.txt distributed with these scripts.
00018 *
00019 *
00020 *  This script is distributed in the hope that it will be useful,
00021 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00022 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00023 *  GNU General Public License for more details.
00024 *
00025 *  This copyright notice MUST APPEAR in all copies of the script!
00026 ***************************************************************/
00079 class tslib_feUserAuth extends t3lib_userAuth {
00080         var $session_table = 'fe_sessions';             // Table to use for session data.
00081         var $name = 'fe_typo_user';                 // Session/Cookie name
00082         var $get_name = 'ftu';                                   // Session/GET-var name
00083 
00084         var $user_table = 'fe_users';                                   // Table in database with userdata
00085         var $username_column = 'username';                              // Column for login-name
00086         var $userident_column = 'password';                     // Column for password
00087         var $userid_column = 'uid';                                     // Column for user-id
00088         var $lastLogin_column = 'lastlogin';
00089 
00090         var $enablecolumns = Array (
00091                 'deleted' => 'deleted',
00092                 'disabled' => 'disable',
00093                 'starttime' => 'starttime',
00094                 'endtime' => 'endtime'
00095         );
00096         var $formfield_uname = 'user';                          // formfield with login-name
00097         var $formfield_uident = 'pass';                         // formfield with password
00098         var $formfield_chalvalue = 'challenge';         // formfield with a unique value which is used to encrypt the password and username
00099         var $formfield_status = 'logintype';            // formfield with status: *'login', 'logout'
00100         var $security_level = '';                                       // sets the level of security. *'normal' = clear-text. 'challenged' = hashed password/username from form in $formfield_uident. 'superchallenged' = hashed password hashed again with username.
00101 
00102         var $auth_include = '';                                         // this is the name of the include-file containing the login form. If not set, login CAN be anonymous. If set login IS needed.
00103 
00104         var $auth_timeout_field = 6000;                         // if > 0 : session-timeout in seconds. if false/<0 : no timeout. if string: The string is fieldname from the usertable where the timeout can be found.
00105 
00106         var $lifetime = 0;                              // 0 = Session-cookies. If session-cookies, the browser will stop session when the browser is closed. Else it keeps the session for $lifetime seconds.
00107         var $sendNoCacheHeaders = 0;
00108         var $getFallBack = 1;                                           // If this is set, authentication is also accepted by the _GET. Notice that the identification is NOT 128bit MD5 hash but reduced. This is done in order to minimize the size for mobile-devices, such as WAP-phones
00109         var $hash_length = 10;
00110         var $getMethodEnabled = 1;                                      // Login may be supplied by url.
00111 
00112         var $usergroup_column = 'usergroup';
00113         var $usergroup_table = 'fe_groups';
00114         var $groupData = Array(
00115                 'title' =>Array(),
00116                 'uid' =>Array(),
00117                 'pid' =>Array()
00118         );
00119         var $TSdataArray=array();               // Used to accumulate the TSconfig data of the user
00120         var $userTS = array();
00121         var $userTSUpdated=0;
00122         var $showHiddenRecords=0;
00123 
00124                 // Session and user data:
00125                 /*
00126                         There are two types of data that can be stored: UserData and Session-Data. Userdata is for the login-user, and session-data for anyone viewing the pages.
00127                         'Keys' are keys in the internal dataarray of the data. When you get or set a key in one of the data-spaces (user or session) you decide the type of the variable (not object though)
00128                         'Reserved' keys are:
00129                                 - 'recs': Array: Used to 'register' records, eg in a shopping basket. Structure: [recs][tablename][record_uid]=number
00130                                 - sys: Reserved for TypoScript standard code.
00131                 */
00132         var $sesData = Array();
00133         var $sesData_change = 0;
00134         var $userData_change = 0;
00135 
00136 
00143         function fetchGroupData()       {
00144                 $this->TSdataArray = array();
00145                 $this->userTS = array();
00146                 $this->userTSUpdated = 0;
00147                 $this->groupData = Array(
00148                         'title' => Array(),
00149                         'uid' => Array(),
00150                         'pid' => Array()
00151                 );
00152 
00153                         // Setting default configuration:
00154                 $this->TSdataArray[]=$GLOBALS['TYPO3_CONF_VARS']['FE']['defaultUserTSconfig'];
00155 
00156                         // get the info data for auth services
00157                 $authInfo = $this->getAuthInfoArray();
00158 
00159                 if ($this->writeDevLog)         t3lib_div::devLog('Get usergroups for user: '.t3lib_div::arrayToLogString($this->user, array($this->userid_column,$this->username_column)), 'tslib_feUserAuth');
00160 
00161                 $groupDataArr = array();
00162 
00163                         // use 'auth' service to find the groups for the user
00164                 $serviceChain='';
00165                 $subType = 'getGroups'.$this->loginType;
00166                 while (is_object($serviceObj = t3lib_div::makeInstanceService('auth', $subType, $serviceChain)))        {
00167                         $serviceChain.=','.$serviceObj->getServiceKey();
00168                         $serviceObj->initAuth($subType, array(), $authInfo, $this);
00169 
00170                         $groupData = $serviceObj->getGroups($this->user, $groupDataArr);
00171                         if (is_array($groupData) && count($groupData))  {
00172                                 $groupDataArr = t3lib_div::array_merge($groupDataArr, $groupData);      // Keys in $groupData should be unique ids of the groups (like "uid") so this function will override groups.
00173                         }
00174                         unset($serviceObj);
00175                 }
00176                 if ($this->writeDevLog AND $serviceChain)       t3lib_div::devLog($subType.' auth services called: '.$serviceChain, 'tslib_feUserAuth');
00177                 if ($this->writeDevLog AND !count($groupDataArr))       t3lib_div::devLog('No usergroups found by services', 'tslib_feUserAuth');
00178                 if ($this->writeDevLog AND count($groupDataArr))        t3lib_div::devLog(count($groupDataArr).' usergroup records found by services', 'tslib_feUserAuth');
00179 
00180 
00181                         // use 'auth' service to check the usergroups if they are really valid
00182                 foreach ($groupDataArr as $groupData)   {
00183                                 // by default a group is valid
00184                         $validGroup = TRUE;
00185 
00186                         $serviceChain='';
00187                         $subType = 'authGroups'.$this->loginType;
00188                         while (is_object($serviceObj = t3lib_div::makeInstanceService('auth', $subType, $serviceChain))) {
00189                                 $serviceChain.=','.$serviceObj->getServiceKey();
00190                                 $serviceObj->initAuth($subType, array(), $authInfo, $this);
00191 
00192                                 if (!$serviceObj->authGroup($this->user, $groupData)) {
00193                                         $validGroup = FALSE;
00194                                         if ($this->writeDevLog)         t3lib_div::devLog($subType.' auth service did not auth group: '.t3lib_div::arrayToLogString($groupData, 'uid,title'), 'tslib_feUserAuth', 2);
00195 
00196                                         break;
00197                                 }
00198                                 unset($serviceObj);
00199                         }
00200                         unset($serviceObj);
00201 
00202                         if ($validGroup) {
00203                                 $this->groupData['title'][$groupData['uid']]=$groupData['title'];
00204                                 $this->groupData['uid'][$groupData['uid']]=$groupData['uid'];
00205                                 $this->groupData['pid'][$groupData['uid']]=$groupData['pid'];
00206                                 $this->groupData['TSconfig'][$groupData['uid']]=$groupData['TSconfig'];
00207                         }
00208                 }
00209 
00210                 if (count($this->groupData) && count($this->groupData['TSconfig']))     {
00211                                 // TSconfig: collect it in the order it was collected
00212                         foreach($this->groupData['TSconfig'] as $TSdata)        {
00213                                 $this->TSdataArray[]=$TSdata;
00214                         }
00215 
00216                         $this->TSdataArray[]=$this->user['TSconfig'];
00217 
00218                                 // Sort information
00219                         ksort($this->groupData['title']);
00220                         ksort($this->groupData['uid']);
00221                         ksort($this->groupData['pid']);
00222                 }
00223 
00224                 return count($this->groupData['uid']) ? count($this->groupData['uid']) : 0;
00225         }
00226 
00233         function getUserTSconf()        {
00234                 if (!$this->userTSUpdated) {
00235                                 // Parsing the user TS (or getting from cache)
00236                         $this->TSdataArray = t3lib_TSparser::checkIncludeLines_array($this->TSdataArray);
00237                         $userTS = implode(chr(10).'[GLOBAL]'.chr(10),$this->TSdataArray);
00238                         $parseObj = t3lib_div::makeInstance('t3lib_TSparser');
00239                         $parseObj->parse($userTS);
00240                         $this->userTS = $parseObj->setup;
00241 
00242                         $this->userTSUpdated=1;
00243                 }
00244                 return $this->userTS;
00245         }
00246 
00247 
00248 
00249 
00250 
00251 
00252 
00253 
00254 
00255 
00256 
00257 
00258 
00259 
00260 
00261 
00262 
00263         /*****************************************
00264          *
00265          * Session data management functions
00266          *
00267          ****************************************/
00268 
00278         function fetchSessionData()     {
00279                 // Gets SesData if any
00280                 if ($this->id)  {
00281                         $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', 'fe_session_data', 'hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, 'fe_session_data'));
00282                         if ($sesDataRow = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres))        {
00283                                 $this->sesData = unserialize($sesDataRow['content']);
00284                         }
00285                 }
00286                         // delete old data:
00287                 if ((rand()%100) <= 1) {                // a possibility of 1 % for garbage collection.
00288                         $GLOBALS['TYPO3_DB']->exec_DELETEquery('fe_session_data', 'tstamp < '.intval(time()-3600*24));          // all data older than 24 hours are deleted.
00289                 }
00290         }
00291 
00300         function storeSessionData()     {
00301                         // Saves UC and SesData if changed.
00302                 if ($this->userData_change)     {
00303                         $this->writeUC('');
00304                 }
00305                 if ($this->sesData_change)      {
00306                         if ($this->id)  {
00307                                 $insertFields = array (
00308                                         'hash' => $this->id,
00309                                         'content' => serialize($this->sesData),
00310                                         'tstamp' => time()
00311                                 );
00312                                 $GLOBALS['TYPO3_DB']->exec_DELETEquery('fe_session_data', 'hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, 'fe_session_data'));
00313                                 $GLOBALS['TYPO3_DB']->exec_INSERTquery('fe_session_data', $insertFields);
00314                         }
00315                 }
00316         }
00317 
00326         function getKey($type,$key) {
00327                 if ($key)       {
00328                         switch($type)   {
00329                                 case 'user':
00330                                         return $this->uc[$key];
00331                                 break;
00332                                 case 'ses':
00333                                         return $this->sesData[$key];
00334                                 break;
00335                         }
00336                 }
00337         }
00338 
00351         function setKey($type,$key,$data)       {
00352                 if ($key)       {
00353                         switch($type)   {
00354                                 case 'user':
00355                                         if ($this->user['uid']) {
00356                                                 $this->uc[$key]=$data;
00357                                                 $this->userData_change=1;
00358                                         }
00359                                 break;
00360                                 case 'ses':
00361                                         $this->sesData[$key]=$data;
00362                                         $this->sesData_change=1;
00363                                 break;
00364                         }
00365                 }
00366         }
00367 
00377         function record_registration($recs,$maxSizeOfSessionData=0)     {
00378 
00379                         // Storing value ONLY if there is a confirmed cookie set (->cookieID), otherwise a shellscript could easily be spamming the fe_sessions table with bogus content and thus bloat the database
00380                 if (!$maxSizeOfSessionData || $this->cookieId===$this->id)      {
00381                         if ($recs['clear_all']) {
00382                                 $this->setKey('ses','recs','');
00383                         }
00384                         $change=0;
00385                         $recs_array=$this->getKey('ses','recs');
00386                         reset($recs);
00387                         while(list($table,$data)=each($recs))   {
00388                                 if (is_array($data))    {
00389                                         reset($data);
00390                                         while(list($rec_id,$value)=each($data)) {
00391                                                 if ($value != $recs_array[$table][$rec_id])     {
00392                                                         $recs_array[$table][$rec_id] = $value;
00393                                                         $change=1;
00394                                                 }
00395                                         }
00396                                 }
00397                         }
00398                         if ($change && (!$maxSizeOfSessionData || strlen(serialize($recs_array))<$maxSizeOfSessionData))        {
00399                                 $this->setKey('ses','recs',$recs_array);
00400                         }
00401                 }
00402         }
00403 }
00404 
00405 
00406 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['tslib/class.tslib_feuserauth.php'])        {
00407         include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['tslib/class.tslib_feuserauth.php']);
00408 }
00409 ?>


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