Localization updates
[Packages/TYPO3.CMS.git] / t3lib / class.t3lib_userauth.php
1 <?php
2 /***************************************************************
3 * Copyright notice
4 *
5 * (c) 1999-2005 Kasper Skaarhoj (kasperYYYY@typo3.com)
6 * All rights reserved
7 *
8 * This script is part of the TYPO3 project. The TYPO3 project is
9 * free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * The GNU General Public License can be found at
15 * http://www.gnu.org/copyleft/gpl.html.
16 * A copy is found in the textfile GPL.txt and important notices to the license
17 * from the author is found in LICENSE.txt distributed with these scripts.
18 *
19 *
20 * This script is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * This copyright notice MUST APPEAR in all copies of the script!
26 ***************************************************************/
27 /**
28 * Contains a base class for authentication of users in TYPO3, both frontend and backend.
29 *
30 * $Id$
31 * Revised for TYPO3 3.6 July/2003 by Kasper Skaarhoj
32 *
33 * @author Kasper Skaarhoj <kasperYYYY@typo3.com>
34 * @author René Fritz <r.fritz@colorcube.de>
35 */
36 /**
37 * [CLASS/FUNCTION INDEX of SCRIPT]
38 *
39 *
40 *
41 * 111: class t3lib_userAuth
42 * 187: function start()
43 * 300: function checkAuthentication()
44 *
45 * SECTION: User Sessions
46 * 531: function createUserSession ($tempuser)
47 * 568: function fetchUserSession()
48 * 619: function logoff()
49 *
50 * SECTION: SQL Functions
51 * 655: function user_where_clause()
52 * 669: function ipLockClause()
53 * 687: function ipLockClause_remoteIPNumber($parts)
54 * 708: function hashLockClause()
55 * 719: function hashLockClause_getHashInt()
56 *
57 * SECTION: Session and Configuration Handling
58 * 751: function writeUC($variable='')
59 * 766: function unpack_uc($theUC='')
60 * 782: function pushModuleData($module,$data,$noSave=0)
61 * 795: function getModuleData($module,$type='')
62 * 808: function getSessionData($key)
63 * 821: function setAndSaveSessionData($key,$data)
64 *
65 * SECTION: Misc
66 * 854: function getLoginFormData()
67 * 881: function processLoginData($loginData, $security_level='')
68 * 915: function getAuthInfoArray()
69 * 945: function compareUident($user, $loginData, $security_level='')
70 * 983: function gc()
71 * 997: function redirect()
72 * 1019: function writelog($type,$action,$error,$details_nr,$details,$data,$tablename,$recuid,$recpid)
73 * 1028: function checkLogFailures()
74 * 1041: function setBeUserByUid($uid)
75 * 1053: function setBeUserByName($name)
76 * 1064: function getRawUserByUid($uid)
77 * 1082: function getRawUserByName($name)
78 *
79 * SECTION: Create/update user - EXPERIMENTAL
80 * 1121: function fetchUserRecord($dbUser, $username, $extraWhere='' )
81 *
82 * TOTAL FUNCTIONS: 29
83 * (This index is automatically created/updated by the extension "extdeveval")
84 *
85 */
86
87
88 require_once(t3lib_extMgm::extPath('sv').'class.tx_sv_authbase.php');
89
90
91
92
93
94
95
96
97
98 /**
99 * Authentication of users in TYPO3
100 *
101 * This class is used to authenticate a login user.
102 * The class is used by both the frontend and backend. In both cases this class is a parent class to beuserauth and feuserauth
103 *
104 * See Inside TYPO3 for more information about the API of the class and internal variables.
105 *
106 * @author Kasper Skaarhoj <kasperYYYY@typo3.com>
107 * @author René Fritz <r.fritz@colorcube.de>
108 * @package TYPO3
109 * @subpackage t3lib
110 */
111 class t3lib_userAuth {
112 var $global_database = ''; // Which global database to connect to
113 var $session_table = ''; // Table to use for session data.
114 var $name = ''; // Session/Cookie name
115 var $get_name = ''; // Session/GET-var name
116
117 var $user_table = ''; // Table in database with userdata
118 var $username_column = ''; // Column for login-name
119 var $userident_column = ''; // Column for password
120 var $userid_column = ''; // Column for user-id
121 var $lastLogin_column = '';
122
123 var $enablecolumns = Array (
124 'rootLevel' => '', // Boolean: If true, 'AND pid=0' will be a part of the query...
125 'disabled' => '',
126 'starttime' => '',
127 'endtime' => '',
128 'deleted' => ''
129 );
130
131 var $formfield_uname = ''; // formfield with login-name
132 var $formfield_uident = ''; // formfield with password
133 var $formfield_chalvalue = ''; // formfield with a unique value which is used to encrypt the password and username
134 var $formfield_status = ''; // formfield with status: *'login', 'logout'. If empty login is not verified.
135 var $security_level = 'normal'; // sets the level of security. *'normal' = clear-text. 'challenged' = hashed password/username from form in $formfield_uident. 'superchallenged' = hashed password hashed again with username.
136
137 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.
138
139 var $auth_timeout_field = 0; // if > 0 : session-timeout in seconds. if string: The string is fieldname from the usertable where the timeout can be found.
140 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.
141 var $gc_time = 24; // GarbageCollection. Purge all session data older than $gc_time hours.
142 var $gc_probability = 1; // Possibility (in percent) for GarbageCollection to be run.
143 var $writeStdLog = FALSE; // Decides if the writelog() function is called at login and logout
144 var $writeAttemptLog = FALSE; // If the writelog() functions is called if a login-attempt has be tried without success
145 var $sendNoCacheHeaders = TRUE; // If this is set, headers is sent to assure, caching is NOT done
146 var $getFallBack = FALSE; // 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
147 var $hash_length = 32; // The ident-hash is normally 32 characters and should be! But if you are making sites for WAP-devices og other lowbandwidth stuff, you may shorten the length. Never let this value drop below 6. A length of 6 would give you more than 16 mio possibilities.
148 var $getMethodEnabled = FALSE; // Setting this flag true lets user-authetication happen from GET_VARS if POST_VARS are not set. Thus you may supply username/password from the URL.
149 var $lockIP = 4; // If set, will lock the session to the users IP address (all four numbers. Reducing to 1-3 means that only first, second or third part of the IP address is used).
150 var $lockHashKeyWords = 'useragent'; // Keyword list (commalist with no spaces!): "useragent". Each keyword indicates some information that can be included in a integer hash made to lock down usersessions.
151
152 var $warningEmail = ''; // warning -emailaddress:
153 var $warningPeriod = 3600; // Period back in time (in seconds) in which number of failed logins are collected
154 var $warningMax = 3; // The maximum accepted number of warnings before an email is sent
155 var $checkPid = TRUE; // If set, the user-record must $checkPid_value as pid
156 var $checkPid_value=0; // The pid, the user-record must have as page-id
157
158 // Internals
159 var $id; // Internal: Will contain session_id (MD5-hash)
160 var $cookieId; // Internal: Will contain the session_id gotten from cookie or GET method. This is used in statistics as a reliable cookie (one which is known to come from $_COOKIE).
161 var $loginFailure = FALSE; // Indicates if an authentication was started but failed
162 var $loginSessionStarted = FALSE; // Will be set to true if the login session is actually written during auth-check.
163
164 var $user; // Internal: Will contain user- AND session-data from database (joined tables)
165 var $get_URL_ID = ''; // Internal: Will will be set to the url--ready (eg. '&login=ab7ef8d...') GET-auth-var if getFallBack is true. Should be inserted in links!
166
167 var $newSessionID = FALSE; // Will be set to true if a new session ID was created
168 var $forceSetCookie = FALSE; // Will force the session cookie to be set everytime (lifetime must be 0)
169 var $dontSetCookie = FALSE; // Will prevent the setting of the session cookie (takes precedence over forceSetCookie)
170 var $challengeStoredInCookie = FALSE; // If set, the challenge value will be stored in a session as well so the server can check that is was not forged.
171 var $loginType = ''; // Login type, used for services.
172
173 var $svConfig = array(); // "auth" services configuration array from $TYPO3_CONF_VARS['SVCONF']['auth']
174 var $writeDevLog = FALSE; // write messages into the devlog?
175
176
177
178
179
180
181
182
183
184 /**
185 * Starts a user session
186 * Typical configurations will:
187 * a) check if session cookie was set and if not, set one,
188 * b) check if a password/username was sent and if so, try to authenticate the user
189 * c) Lookup a session attached to a user and check timeout etc.
190 * d) Garbage collection, setting of no-cache headers.
191 * If a user is authenticated the database record of the user (array) will be set in the ->user internal variable.
192 *
193 * @return void
194 */
195 function start() {
196 global $TYPO3_CONF_VARS;
197
198 // backend or frontend login - used for auth services
199 $this->loginType = ($this->name=='fe_typo_user') ? 'FE' : 'BE';
200
201 // set level to normal if not already set
202 $this->security_level = $this->security_level ? $this->security_level : 'normal';
203
204 // enable dev logging if set
205 if ($TYPO3_CONF_VARS['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['writeDevLog']) $this->writeDevLog = TRUE;
206 if ($TYPO3_CONF_VARS['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['writeDevLog'.$this->loginType]) $this->writeDevLog = TRUE;
207 if (TYPO3_DLOG) $this->writeDevLog = TRUE;
208
209 if ($this->writeDevLog) t3lib_div::devLog('## Beginning of auth logging.', 't3lib_userAuth');
210
211 // Init vars.
212 $mode = '';
213 $this->newSessionID = FALSE;
214 // $id is set to ses_id if cookie is present. Else set to false, which will start a new session
215 $id = isset($_COOKIE[$this->name]) ? stripslashes($_COOKIE[$this->name]) : '';
216 $this->hash_length = t3lib_div::intInRange($this->hash_length,6,32);
217 $this->svConfig = $TYPO3_CONF_VARS['SVCONF']['auth'];
218
219
220 // If fallback to get mode....
221 if (!$id && $this->getFallBack && $this->get_name) {
222 $id = isset($_GET[$this->get_name]) ? t3lib_div::_GET($this->get_name) : '';
223 if (strlen($id)!=$this->hash_length) $id='';
224 $mode='get';
225 }
226 $this->cookieId = $id;
227
228 // If new session...
229 if (!$id) {
230 // New random session-$id is made
231 $id = substr(md5(uniqid('').getmypid()),0,$this->hash_length);
232 // New session
233 $this->newSessionID = TRUE;
234 }
235
236 // Internal var 'id' is set
237 $this->id = $id;
238
239 // If fallback to get mode....
240 if ($mode=='get' && $this->getFallBack && $this->get_name) {
241 $this->get_URL_ID = '&'.$this->get_name.'='.$id;
242 }
243 // Make certain that NO user is set initially
244 $this->user = '';
245
246 // Setting cookies
247 // If new session and the cookie is a sessioncookie, we need to set it only once!
248 if (($this->newSessionID || $this->forceSetCookie) && $this->lifetime==0 ) {
249 if (!$this->dontSetCookie) {
250 SetCookie($this->name, $id, 0, '/');
251 if ($this->writeDevLog) t3lib_div::devLog('Set new Cookie: '.$id, 't3lib_userAuth');
252 }
253 }
254
255 // If it is NOT a session-cookie, we need to refresh it.
256 if ($this->lifetime > 0) {
257 if (!$this->dontSetCookie) {
258 SetCookie($this->name, $id, time()+$this->lifetime, '/');
259 if ($this->writeDevLog) t3lib_div::devLog('Update Cookie: '.$id, 't3lib_userAuth');
260 }
261 }
262
263 // Check to see if anyone has submitted login-information and if so register the user with the session. $this->user[uid] may be used to write log...
264 $this->checkAuthentication();
265
266 // Make certain that NO user is set initially. ->check_authentication may have set a session-record which will provide us with a user record in the next section:
267 unset($this->user);
268
269 // re-read user session
270 $this->user = $this->fetchUserSession();
271
272 if ($this->writeDevLog AND is_array($this->user)) t3lib_div::devLog('User session finally read: '.t3lib_div::arrayToLogString($this->user, array($this->userid_column,$this->username_column)), 't3lib_userAuth', -1);
273 if ($this->writeDevLog AND !is_array($this->user)) t3lib_div::devLog('No user session found.', 't3lib_userAuth', 2);
274
275 // Hook for alternative ways of filling the $this->user array (is used by TIMTAW extension)
276 if(is_array($TYPO3_CONF_VARS['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['postUserLookUp'])) {
277 foreach($TYPO3_CONF_VARS['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['postUserLookUp'] as $funcName) {
278 $_params = array(
279 'pObj' => &$this,
280 );
281 t3lib_div::callUserFunction($funcName,$_params,$this);
282 }
283 }
284
285 // If any redirection (inclusion of file) then it will happen in this function
286 $this->redirect();
287
288 // Set all posible headers that could ensure that the script is not cached on the client-side
289 if ($this->sendNoCacheHeaders) {
290 header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
291 header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
292 header('Expires: 0');
293 header('Cache-Control: no-cache, must-revalidate');
294 header('Pragma: no-cache');
295 }
296
297 // If we're lucky we'll get to clean up old sessions....
298 if ((rand()%100) <= $this->gc_probability) {
299 $this->gc();
300 }
301 }
302
303 /**
304 * Checks if a submission of username and password is present or use other authentication by auth services
305 *
306 * @return void
307 * @internal
308 */
309 function checkAuthentication() {
310
311 // No user for now - will be searched by service below
312 $tempuserArr = array();
313 $tempuser = FALSE;
314
315 // User is not authenticated by default
316 $authenticated = FALSE;
317
318 // User want to login with passed login data (name/password)
319 $activeLogin = FALSE;
320
321 // Indicates if an active authentication failed (not auto login)
322 $this->loginFailure = FALSE;
323
324 if ($this->writeDevLog) t3lib_div::devLog('Login type: '.$this->loginType, 't3lib_userAuth');
325
326 // The info array provide additional information for auth services
327 $authInfo = $this->getAuthInfoArray();
328
329 // Get Login/Logout data submitted by a form or params
330 $loginData = $this->getLoginFormData();
331
332 if ($this->writeDevLog) t3lib_div::devLog('Login data: '.t3lib_div::arrayToLogString($loginData), 't3lib_userAuth');
333
334
335 // active logout (eg. with "logout" button)
336 if ($loginData['status']=='logout') {
337 if ($this->writeStdLog) $this->writelog(255,2,0,2,'User %s logged out',Array($this->user['username'])); // Logout written to log
338 if ($this->writeDevLog) t3lib_div::devLog('User logged out. Id: '.$this->id, 't3lib_userAuth', -1);
339
340 $this->logoff();
341 }
342
343 // active login (eg. with login form)
344 if ($loginData['status']=='login') {
345 $activeLogin = TRUE;
346
347 if ($this->writeDevLog) t3lib_div::devLog('Active login (eg. with login form)', 't3lib_userAuth');
348
349 // check referer for submitted login values
350 if($this->formfield_status && $loginData['uident'] && $loginData['uname']) {
351 $httpHost = t3lib_div::getIndpEnv('TYPO3_HOST_ONLY');
352 if (!$this->getMethodEnabled && ($httpHost!=$authInfo['refInfo']['host'] && !$GLOBALS['TYPO3_CONF_VARS']['SYS']['doNotCheckReferer'])) {
353 die('Error: This host address ("'.$httpHost.'") and the referer host ("'.$authInfo['refInfo']['host'].'") mismatches!<br />
354 It\'s possible that the environment variable HTTP_REFERER is not passed to the script because of a proxy.<br />
355 The site administrator can disable this check in the "All Configuration" section of the Install Tool (flag: TYPO3_CONF_VARS[SYS][doNotCheckReferer]).');
356 }
357
358 // delete old user session if any
359 $this->logoff();
360 }
361 }
362
363
364 // the following code makes auto-login possible (if configured). No submitted data needed
365
366 // re-read user session
367 $authInfo['userSession'] = $this->fetchUserSession();
368 $haveSession = is_array($authInfo['userSession']) ? TRUE : FALSE;
369
370 if ($this->writeDevLog AND $haveSession) t3lib_div::devLog('User session found: '.t3lib_div::arrayToLogString($authInfo['userSession'], array($this->userid_column,$this->username_column)), 't3lib_userAuth', 0);
371 if ($this->writeDevLog) t3lib_div::devLog('SV setup: '.t3lib_div::arrayToLogString($this->svConfig['setup']), 't3lib_userAuth', 0);
372
373
374 // fetch user if ...
375 if ( $activeLogin
376 OR (!$haveSession AND $this->svConfig['setup'][$this->loginType.'_fetchUserIfNoSession'])
377 OR $this->svConfig['setup'][$this->loginType.'_alwaysFetchUser']) {
378
379 // use 'auth' service to find the user
380 // first found user will be used
381 $serviceChain = '';
382 $subType = 'getUser'.$this->loginType;
383 while (is_object($serviceObj = t3lib_div::makeInstanceService('auth', $subType, $serviceChain))) {
384 $serviceChain.=','.$serviceObj->getServiceKey();
385 $serviceObj->initAuth($subType, $loginData, $authInfo, $this);
386 if ($row=$serviceObj->getUser()) {
387 $tempuserArr[] = $row;
388
389 if ($this->writeDevLog) t3lib_div::devLog('User found: '.t3lib_div::arrayToLogString($row, array($this->userid_column,$this->username_column)), 't3lib_userAuth', 0);
390
391 // user found, just stop to search for more if not configured to go on
392 if(!$this->svConfig['setup'][$this->loginType.'_fetchAllUsers']) {
393 break;
394 }
395 }
396 unset($serviceObj);
397 }
398 unset($serviceObj);
399
400 if ($this->writeDevLog AND $this->svConfig['setup'][$this->loginType.'_alwaysFetchUser']) t3lib_div::devLog($this->loginType.'_alwaysFetchUser option is enabled', 't3lib_userAuth');
401 if ($this->writeDevLog AND $serviceChain) t3lib_div::devLog($subType.' auth services called: '.$serviceChain, 't3lib_userAuth');
402 if ($this->writeDevLog AND !count($tempuserArr)) t3lib_div::devLog('No user found by services', 't3lib_userAuth');
403 if ($this->writeDevLog AND count($tempuserArr)) t3lib_div::devLog(count($tempuserArr).' user records found by services', 't3lib_userAuth');
404 }
405
406
407 // If no new user was set we use the already found user session
408 if (!count($tempuserArr) AND $haveSession) {
409 $tempuserArr[] = $authInfo['userSession'];
410 $tempuser = $authInfo['userSession'];
411 // User is authenticated because we found a user session
412 $authenticated = TRUE;
413
414 if ($this->writeDevLog) t3lib_div::devLog('User session used: '.t3lib_div::arrayToLogString($authInfo['userSession'], array($this->userid_column,$this->username_column)), 't3lib_userAuth');
415 }
416
417
418 // Re-auth user when 'auth'-service option is set
419 if ($this->svConfig['setup'][$this->loginType.'_alwaysAuthUser']) {
420 $authenticated = FALSE;
421 if ($this->writeDevLog) t3lib_div::devLog('alwaysAuthUser option is enabled', 't3lib_userAuth');
422 }
423
424
425 // Authenticate the user if needed
426 if(count($tempuserArr) AND !$authenticated) {
427
428 foreach($tempuserArr as $tempuser) {
429
430 // use 'auth' service to authenticate the user
431 // if one service returns FALSE then authentication failed
432 // a service might return 100 which means there's no reason to stop but the user can't be authenticated by that service
433
434 if ($this->writeDevLog) t3lib_div::devLog('Auth user: '.t3lib_div::arrayToLogString($tempuser), 't3lib_userAuth');
435
436 $serviceChain='';
437 $subType = 'authUser'.$this->loginType;
438 while (is_object($serviceObj = t3lib_div::makeInstanceService('auth', $subType, $serviceChain))) {
439 $serviceChain.=','.$serviceObj->getServiceKey();
440 $serviceObj->initAuth($subType, $loginData, $authInfo, $this);
441 if (($ret=$serviceObj->authUser($tempuser)) > 0) {
442
443 // if the service returns >=200 then no more checking is needed - useful for IP checking without password
444 if (intval($ret) >= 200) {
445 $authenticated = TRUE;
446 break;
447 } elseif (intval($ret) >= 100) {
448 // Just go on. User is still not authenticated but there's no reason to stop now.
449 } else {
450 $authenticated = TRUE;
451 }
452
453 } else {
454 $authenticated = FALSE;
455 break;
456 }
457 unset($serviceObj);
458 }
459 unset($serviceObj);
460
461 if ($this->writeDevLog AND $serviceChain) t3lib_div::devLog($subType.' auth services called: '.$serviceChain, 't3lib_userAuth');
462
463 if($authenticated) {
464 // leave foreach() because a user is authenticated
465 break;
466 }
467 }
468 }
469
470
471 // If user is authenticated a valid user is in $tempuser
472 if ($authenticated) {
473 // reset failure flag
474 $this->loginFailure = FALSE;
475
476
477 // Insert session record if needed:
478 if (!($haveSession AND (
479 $tempuser['ses_id']==$this->id OR // check if the tempuser has the current session id
480 $tempuser['uid']==$authInfo['userSession']['ses_userid'] // check if the tempuser has the uid of the fetched session user
481 ))) {
482 $this->createUserSession($tempuser);
483
484 // The login session is started.
485 $this->loginSessionStarted = TRUE;
486 }
487
488 // User logged in - write that to the log!
489 if ($this->writeStdLog && $activeLogin) {
490 $this->writelog(255,1,0,1,
491 'User %s logged in from %s (%s)',
492 Array($tempuser[$this->username_column], t3lib_div::getIndpEnv('REMOTE_ADDR'), t3lib_div::getIndpEnv('REMOTE_HOST')));
493 }
494
495 if ($this->writeDevLog && $activeLogin) t3lib_div::devLog('User '.$tempuser[$this->username_column].' logged in from '.t3lib_div::getIndpEnv('REMOTE_ADDR').' ('.t3lib_div::getIndpEnv('REMOTE_HOST').')', 't3lib_userAuth', -1);
496 if ($this->writeDevLog && !$activeLogin) t3lib_div::devLog('User '.$tempuser[$this->username_column].' authenticated from '.t3lib_div::getIndpEnv('REMOTE_ADDR').' ('.t3lib_div::getIndpEnv('REMOTE_HOST').')', 't3lib_userAuth', -1);
497
498
499 } elseif ($activeLogin OR count($tempuserArr)) {
500 $this->loginFailure = TRUE;
501
502 if ($this->writeDevLog AND !count($tempuserArr) AND $activeLogin) t3lib_div::devLog('Login failed: '.t3lib_div::arrayToLogString($loginData), 't3lib_userAuth', 2);
503 if ($this->writeDevLog AND count($tempuserArr)) t3lib_div::devLog('Login failed: '.t3lib_div::arrayToLogString($tempuser, array($this->userid_column,$this->username_column)), 't3lib_userAuth', 2);
504 }
505
506
507 // If there were a login failure, check to see if a warning email should be sent:
508 if ($this->loginFailure AND $activeLogin) {
509 if ($this->writeDevLog) t3lib_div::devLog('Call checkLogFailures: '.t3lib_div::arrayToLogString(array('warningEmail'=>$this->warningEmail,'warningPeriod'=>$this->warningPeriod,'warningMax'=>$this->warningMax,)), 't3lib_userAuth', -1);
510
511 $this->checkLogFailures($this->warningEmail, $this->warningPeriod, $this->warningMax);
512 }
513 }
514
515
516
517
518
519
520
521
522
523
524
525
526 /*************************
527 *
528 * User Sessions
529 *
530 *************************/
531
532
533 /**
534 * Creates a user session record.
535 *
536 * @param array user data array
537 * @return void
538 */
539 function createUserSession ($tempuser) {
540
541 if ($this->writeDevLog) t3lib_div::devLog('Create session ses_id = '.$this->id, 't3lib_userAuth');
542
543 // delete session entry first
544 $GLOBALS['TYPO3_DB']->exec_DELETEquery(
545 $this->session_table,
546 'ses_id = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table).'
547 AND ses_name = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table)
548 );
549
550 // re-create session entry
551 $insertFields = array(
552 'ses_id' => $this->id,
553 'ses_name' => $this->name,
554 'ses_iplock' => $tempuser['disableIPlock'] ? '[DISABLED]' : $this->ipLockClause_remoteIPNumber($this->lockIP),
555 'ses_hashlock' => $this->hashLockClause_getHashInt(),
556 'ses_userid' => $tempuser[$this->userid_column],
557 'ses_tstamp' => $GLOBALS['EXEC_TIME']
558 );
559 $GLOBALS['TYPO3_DB']->exec_INSERTquery($this->session_table, $insertFields);
560
561 // Updating lastLogin_column carrying information about last login.
562 if ($this->lastLogin_column) {
563 $GLOBALS['TYPO3_DB']->exec_UPDATEquery(
564 $this->user_table,
565 $this->userid_column.'='.$GLOBALS['TYPO3_DB']->fullQuoteStr($tempuser[$this->userid_column], $this->user_table),
566 array($this->lastLogin_column => $GLOBALS['EXEC_TIME'])
567 );
568 }
569 }
570
571 /**
572 * Read the user session from db.
573 *
574 * @return array user session data
575 */
576 function fetchUserSession() {
577
578 $user = '';
579
580 if ($this->writeDevLog) t3lib_div::devLog('Fetch session ses_id = '.$this->id, 't3lib_userAuth');
581
582 // The session_id is used to find user in the database. Two tables are joined: The session-table with user_id of the session and the usertable with its primary key
583 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
584 '*',
585 $this->session_table.','.$this->user_table,
586 $this->session_table.'.ses_id = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table).'
587 AND '.$this->session_table.'.ses_name = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table).'
588 AND '.$this->session_table.'.ses_userid = '.$this->user_table.'.'.$this->userid_column.'
589 '.$this->ipLockClause().'
590 '.$this->hashLockClause().'
591 '.$this->user_where_clause()
592 );
593
594
595 if ($user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres)) {
596 // A user was found
597 if (is_string($this->auth_timeout_field)) {
598 $timeout = intval($user[$this->auth_timeout_field]); // Get timeout-time from usertable
599 } else {
600 $timeout = intval($this->auth_timeout_field); // Get timeout from object
601 }
602 // If timeout > 0 (true) and currenttime has not exceeded the latest sessions-time plus the timeout in seconds then accept user
603 // Option later on: We could check that last update was at least x seconds ago in order not to update twice in a row if one script redirects to another...
604 if ($timeout>0 && ($GLOBALS['EXEC_TIME'] < ($user['ses_tstamp']+$timeout))) {
605 $GLOBALS['TYPO3_DB']->exec_UPDATEquery(
606 $this->session_table,
607 'ses_id='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table).'
608 AND ses_name='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table),
609 array('ses_tstamp' => $GLOBALS['EXEC_TIME'])
610 );
611 $user['ses_tstamp'] = $GLOBALS['EXEC_TIME']; // Make sure that the timestamp is also updated in the array
612 } else {
613 $this->logoff(); // delete any user set...
614 }
615 } else {
616 $this->logoff(); // delete any user set...
617 }
618 return $user;
619 }
620
621 /**
622 * Log out current user!
623 * Removes the current session record, sets the internal ->user array to a blank string; Thereby the current user (if any) is effectively logged out!
624 *
625 * @return void
626 */
627 function logoff() {
628 if ($this->writeDevLog) t3lib_div::devLog('logoff: ses_id = '.$this->id, 't3lib_userAuth');
629
630 $GLOBALS['TYPO3_DB']->exec_DELETEquery(
631 $this->session_table,
632 'ses_id = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table).'
633 AND ses_name = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table)
634 );
635
636 $this->user = '';
637 }
638
639
640
641
642
643
644
645
646
647
648
649
650
651 /*************************
652 *
653 * SQL Functions
654 *
655 *************************/
656
657 /**
658 * This returns the where-clause needed to select the user with respect flags like deleted, hidden, starttime, endtime
659 *
660 * @return string
661 * @access private
662 */
663 function user_where_clause() {
664 return (($this->enablecolumns['rootLevel']) ? 'AND '.$this->user_table.'.pid=0 ' : '').
665 (($this->enablecolumns['disabled']) ? ' AND '.$this->user_table.'.'.$this->enablecolumns['disabled'].'=0' : '').
666 (($this->enablecolumns['deleted']) ? ' AND '.$this->user_table.'.'.$this->enablecolumns['deleted'].'=0' : '').
667 (($this->enablecolumns['starttime']) ? ' AND ('.$this->user_table.'.'.$this->enablecolumns['starttime'].'<='.time().')' : '').
668 (($this->enablecolumns['endtime']) ? ' AND ('.$this->user_table.'.'.$this->enablecolumns['endtime'].'=0 OR '.$this->user_table.'.'.$this->enablecolumns['endtime'].'>'.time().')' : '');
669 }
670
671 /**
672 * This returns the where-clause needed to lock a user to the IP address
673 *
674 * @return string
675 * @access private
676 */
677 function ipLockClause() {
678 if ($this->lockIP) {
679 $wherePart = 'AND (
680 '.$this->session_table.'.ses_iplock='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->ipLockClause_remoteIPNumber($this->lockIP),$this->session_table).'
681 OR '.$this->session_table.'.ses_iplock=\'[DISABLED]\'
682 )';
683 return $wherePart;
684 }
685 }
686
687 /**
688 * Returns the IP address to lock to.
689 * The IP address may be partial based on $parts.
690 *
691 * @param integer 1-4: Indicates how many parts of the IP address to return. 4 means all, 1 means only first number.
692 * @return string (Partial) IP address for REMOTE_ADDR
693 * @access private
694 */
695 function ipLockClause_remoteIPNumber($parts) {
696 $IP = t3lib_div::getIndpEnv('REMOTE_ADDR');
697
698 if ($parts>=4) {
699 return $IP;
700 } else {
701 $parts = t3lib_div::intInRange($parts,1,3);
702 $IPparts = explode('.',$IP);
703 for($a=4;$a>$parts;$a--) {
704 unset($IPparts[$a-1]);
705 }
706 return implode('.',$IPparts);
707 }
708 }
709
710 /**
711 * This returns the where-clause needed to lock a user to a hash integer
712 *
713 * @return string
714 * @access private
715 */
716 function hashLockClause() {
717 $wherePart = 'AND '.$this->session_table.'.ses_hashlock='.intval($this->hashLockClause_getHashInt());
718 return $wherePart;
719 }
720
721 /**
722 * Creates hash integer to lock user to. Depends on configured keywords
723 *
724 * @return integer Hash integer
725 * @access private
726 */
727 function hashLockClause_getHashInt() {
728 $hashStr = '';
729
730 if (t3lib_div::inList($this->lockHashKeyWords,'useragent')) $hashStr.=':'.t3lib_div::getIndpEnv('HTTP_USER_AGENT');
731
732 return t3lib_div::md5int($hashStr);
733 }
734
735
736
737
738
739
740
741
742
743
744
745 /*************************
746 *
747 * Session and Configuration Handling
748 *
749 *************************/
750
751 /**
752 * This writes $variable to the user-record. This is a way of providing session-data.
753 * You can fetch the data again through $this->uc in this class!
754 * If $variable is not an array, $this->uc is saved!
755 *
756 * @param array An array you want to store for the user as session data. If $variable is not supplied (is blank string), the internal variable, ->uc, is stored by default
757 * @return void
758 */
759 function writeUC($variable='') {
760 if (is_array($this->user) && $this->user[$this->userid_column]) {
761 if (!is_array($variable)) { $variable = $this->uc; }
762
763 if ($this->writeDevLog) t3lib_div::devLog('writeUC: '.$this->userid_column.'='.intval($this->user[$this->userid_column]), 't3lib_userAuth');
764 $GLOBALS['TYPO3_DB']->exec_UPDATEquery($this->user_table, $this->userid_column.'='.intval($this->user[$this->userid_column]), array('uc' => serialize($variable)));
765 }
766 }
767
768 /**
769 * Sets $theUC as the internal variable ->uc IF $theUC is an array. If $theUC is false, the 'uc' content from the ->user array will be unserialized and restored in ->uc
770 *
771 * @param mixed If an array, then set as ->uc, otherwise load from user record
772 * @return void
773 */
774 function unpack_uc($theUC='') {
775 if (!$theUC) $theUC=unserialize($this->user['uc']);
776 if (is_array($theUC)) {
777 $this->uc=$theUC;
778 }
779 }
780
781 /**
782 * Stores data for a module.
783 * The data is stored with the session id so you can even check upon retrieval if the module data is from a previous session or from the current session.
784 *
785 * @param string $module is the name of the module ($MCONF['name'])
786 * @param mixed $data is the data you want to store for that module (array, string, ...)
787 * @param boolean If $noSave is set, then the ->uc array (which carries all kinds of user data) is NOT written immediately, but must be written by some subsequent call.
788 * @return void
789 */
790 function pushModuleData($module,$data,$noSave=0) {
791 $this->uc['moduleData'][$module] = $data;
792 $this->uc['moduleSessionID'][$module] = $this->id;
793 if (!$noSave) $this->writeUC();
794 }
795
796 /**
797 * Gets module data for a module (from a loaded ->uc array)
798 *
799 * @param string $module is the name of the module ($MCONF['name'])
800 * @param string If $type = 'ses' then module data is returned only if it was stored in the current session, otherwise data from a previous session will be returned (if available).
801 * @return mixed The module data if available: $this->uc['moduleData'][$module];
802 */
803 function getModuleData($module,$type='') {
804 if ($type!='ses' || $this->uc['moduleSessionID'][$module]==$this->id) {
805 return $this->uc['moduleData'][$module];
806 }
807 }
808
809 /**
810 * Returns the session data stored for $key.
811 * The data will last only for this login session since it is stored in the session table.
812 *
813 * @param string Pointer to an associative key in the session data array which is stored serialized in the field "ses_data" of the session table.
814 * @return mixed
815 */
816 function getSessionData($key) {
817 $sesDat = unserialize($this->user['ses_data']);
818 return $sesDat[$key];
819 }
820
821 /**
822 * Sets the session data ($data) for $key and writes all session data (from ->user['ses_data']) to the database.
823 * The data will last only for this login session since it is stored in the session table.
824 *
825 * @param string Pointer to an associative key in the session data array which is stored serialized in the field "ses_data" of the session table.
826 * @param mixed The variable to store in index $key
827 * @return void
828 */
829 function setAndSaveSessionData($key,$data) {
830 $sesDat = unserialize($this->user['ses_data']);
831 $sesDat[$key] = $data;
832 $this->user['ses_data'] = serialize($sesDat);
833
834 if ($this->writeDevLog) t3lib_div::devLog('setAndSaveSessionData: ses_id = '.$this->user['ses_id'], 't3lib_userAuth');
835 $GLOBALS['TYPO3_DB']->exec_UPDATEquery($this->session_table, 'ses_id='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->user['ses_id'], $this->session_table), array('ses_data' => $this->user['ses_data']));
836 }
837
838
839
840
841
842
843
844
845
846
847
848
849
850 /*************************
851 *
852 * Misc
853 *
854 *************************/
855
856 /**
857 * Returns an info array with Login/Logout data submitted by a form or params
858 *
859 * @return array
860 * @internal
861 */
862 function getLoginFormData() {
863 $loginData=array();
864 if ($this->getMethodEnabled) {
865 $loginData['status'] = t3lib_div::_GP($this->formfield_status);
866 $loginData['uname'] = t3lib_div::_GP($this->formfield_uname);
867 $loginData['uident'] = t3lib_div::_GP($this->formfield_uident);
868 $loginData['chalvalue'] = t3lib_div::_GP($this->formfield_chalvalue);
869 } else {
870 $loginData['status'] = t3lib_div::_POST($this->formfield_status);
871 $loginData['uname'] = t3lib_div::_POST($this->formfield_uname);
872 $loginData['uident'] = t3lib_div::_POST($this->formfield_uident);
873 $loginData['chalvalue'] = t3lib_div::_POST($this->formfield_chalvalue);
874 }
875 $loginData = $this->processLoginData($loginData);
876
877 return $loginData;
878 }
879
880 /**
881 * Processes Login data submitted by a form or params depending on the
882 * security_level
883 *
884 * @param array login data array
885 * @param string Alternative security_level. Used when authentication services wants to override the default.
886 * @return array processed login data array
887 * @internal
888 */
889 function processLoginData($loginData, $security_level='') {
890 global $TYPO3_CONF_VARS;
891
892 $loginSecurityLevel = $security_level ? $security_level : ($TYPO3_CONF_VARS[$this->loginType]['loginSecurityLevel'] ? $TYPO3_CONF_VARS[$this->loginType]['loginSecurityLevel'] : $this->security_level);
893
894 // Processing data according to the state it was submitted in.
895 // ($loginSecurityLevel should reflect the security level used on the data being submitted in the login form)
896 if ($loginSecurityLevel=='normal') {
897 $loginData['uident_text'] = $loginData['uident'];
898 $loginData['uident_challenged'] = (string)md5($loginData['uname'].':'.$loginData['uident'].':'.$loginData['chalvalue']);
899 $loginData['uident_superchallenged'] = (string)md5($loginData['uname'].':'.(md5($loginData['uident'])).':'.$loginData['chalvalue']);
900 } elseif ($loginSecurityLevel=='challenged') {
901 $loginData['uident_text'] = '';
902 $loginData['uident_challenged'] = $loginData['uident'];
903 $loginData['uident_superchallenged'] = '';
904 } elseif ($loginSecurityLevel=='superchallenged') {
905 $loginData['uident_text'] = '';
906 $loginData['uident_challenged'] = '';
907 $loginData['uident_superchallenged'] = $loginData['uident'];
908 }
909
910 // The password "uident" is set based on the internal security setting of TYPO3
911 // Example:
912 // $this->security_level for the backend must be "superchallenged" because passwords are stored as md5-hashes in the be_users table
913 // $this->security_level for the frontend must be "normal" or "challenged" because passwords are stored as clear-text in the fe_users tables
914 if ($this->security_level=='normal') {
915 $loginData['uident'] = $loginData['uident_text'];
916 } elseif ($this->security_level=='challenged') {
917 $loginData['uident'] = $loginData['uident_challenged'];
918 } elseif ($this->security_level=='superchallenged') {
919 $loginData['uident'] = $loginData['uident_superchallenged'];
920 }
921
922 return $loginData;
923 }
924
925 /**
926 * Returns an info array which provides additional information for auth services
927 *
928 * @return array
929 * @internal
930 */
931 function getAuthInfoArray() {
932 $authInfo = array();
933 $authInfo['loginType'] = $this->loginType;
934 $authInfo['refInfo'] = parse_url(t3lib_div::getIndpEnv('HTTP_REFERER'));
935 $authInfo['HTTP_HOST'] = t3lib_div::getIndpEnv('HTTP_HOST');
936 $authInfo['REMOTE_ADDR'] = t3lib_div::getIndpEnv('REMOTE_ADDR');
937 $authInfo['REMOTE_HOST'] = t3lib_div::getIndpEnv('REMOTE_HOST');
938 $authInfo['security_level'] = $this->security_level;
939 $authInfo['showHiddenRecords'] = $this->showHiddenRecords;
940 // can be overidden in localconf by SVCONF:
941 $authInfo['db_user']['table'] = $this->user_table;
942 $authInfo['db_user']['userid_column'] = $this->userid_column;
943 $authInfo['db_user']['username_column'] = $this->username_column;
944 $authInfo['db_user']['userident_column'] = $this->userident_column;
945 $authInfo['db_user']['usergroup_column'] = $this->usergroup_column;
946 $authInfo['db_user']['enable_clause'] = $this->user_where_clause();
947 $authInfo['db_user']['checkPidList'] = $this->checkPid ? $this->checkPid_value : '';
948 $authInfo['db_user']['check_pid_clause'] = $this->checkPid ? ' AND pid IN ('.$GLOBALS['TYPO3_DB']->cleanIntList($authInfo['db_user']['checkPidList']).')' : '';
949 $authInfo['db_groups']['table'] = $this->usergroup_table;
950 return $authInfo;
951 }
952
953 /**
954 * Check the login data with the user record data for builtin login methods
955 *
956 * @param array user data array
957 * @param array login data array
958 * @param string Alternative security_level. Used when authentication services wants to override the default.
959 * @return boolean true if login data matched
960 */
961 function compareUident($user, $loginData, $security_level='') {
962
963 $OK = FALSE;
964 $security_level = $security_level ? $security_level : $this->security_level;
965
966 switch ($security_level) {
967 case 'superchallenged': // If superchallenged the password in the database ($user[$this->userident_column]) must be a md5-hash of the original password.
968 case 'challenged':
969
970 // Check challenge stored in cookie:
971 if ($this->challengeStoredInCookie) {
972 session_start();
973 if ($_SESSION['login_challenge'] !== $loginData['chalvalue']) {
974 if ($this->writeDevLog) t3lib_div::devLog('PHP Session stored challenge "'.$_SESSION['login_challenge'].'" and submitted challenge "'.$loginData['chalvalue'].'" did not match, so authentication failed!', 't3lib_userAuth', 2);
975 $this->logoff();
976 return FALSE;
977 }
978 }
979
980 if ((string)$loginData['uident'] === (string)md5($user[$this->username_column].':'.$user[$this->userident_column].':'.$loginData['chalvalue'])) {
981 $OK = TRUE;
982 };
983 break;
984 default: // normal
985 if ((string)$loginData['uident'] === (string)$user[$this->userident_column]) {
986 $OK = TRUE;
987 };
988 break;
989 }
990
991 return $OK;
992 }
993
994 /**
995 * Garbage collector, removing old expired sessions.
996 *
997 * @return void
998 * @internal
999 */
1000 function gc() {
1001 $GLOBALS['TYPO3_DB']->exec_DELETEquery(
1002 $this->session_table,
1003 'ses_tstamp < '.intval(time()-($this->gc_time*60*60)).'
1004 AND ses_name = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table)
1005 );
1006 }
1007
1008 /**
1009 * Redirect to somewhere. Obsolete, depreciated etc.
1010 *
1011 * @return void
1012 * @ignore
1013 */
1014 function redirect() {
1015 if (!$this->userid && $this->auth_url) { // if no userid AND an include-document for login is given
1016 include ($this->auth_include);
1017 exit;
1018 }
1019 }
1020
1021 /**
1022 * DUMMY: Writes to log database table (in some extension classes)
1023 *
1024 * @param integer $type: denotes which module that has submitted the entry. This is the current list: 1=tce_db; 2=tce_file; 3=system (eg. sys_history save); 4=modules; 254=Personal settings changed; 255=login / out action: 1=login, 2=logout, 3=failed login (+ errorcode 3), 4=failure_warning_email sent
1025 * @param integer $action: denotes which specific operation that wrote the entry (eg. 'delete', 'upload', 'update' and so on...). Specific for each $type. Also used to trigger update of the interface. (see the log-module for the meaning of each number !!)
1026 * @param integer $error: flag. 0 = message, 1 = error (user problem), 2 = System Error (which should not happen), 3 = security notice (admin)
1027 * @param integer $details_nr: The message number. Specific for each $type and $action. in the future this will make it possible to translate errormessages to other languages
1028 * @param string $details: Default text that follows the message
1029 * @param array $data: Data that follows the log. Might be used to carry special information. If an array the first 5 entries (0-4) will be sprintf'ed the details-text...
1030 * @param string $tablename: Special field used by tce_main.php. These ($tablename, $recuid, $recpid) holds the reference to the record which the log-entry is about. (Was used in attic status.php to update the interface.)
1031 * @param integer $recuid: Special field used by tce_main.php. These ($tablename, $recuid, $recpid) holds the reference to the record which the log-entry is about. (Was used in attic status.php to update the interface.)
1032 * @param integer $recpid: Special field used by tce_main.php. These ($tablename, $recuid, $recpid) holds the reference to the record which the log-entry is about. (Was used in attic status.php to update the interface.)
1033 * @return void
1034 * @see t3lib_userauthgroup::writelog()
1035 */
1036 function writelog($type,$action,$error,$details_nr,$details,$data,$tablename,$recuid,$recpid) {
1037 }
1038
1039 /**
1040 * DUMMY: Check login failures (in some extension classes)
1041 *
1042 * @return void
1043 * @ignore
1044 */
1045 function checkLogFailures() {
1046 }
1047
1048 /**
1049 * Raw initialization of the be_user with uid=$uid
1050 * This will circumvent all login procedures and select a be_users record from the database and set the content of ->user to the record selected. Thus the BE_USER object will appear like if a user was authenticated - however without a session id and the fields from the session table of course.
1051 * Will check the users for disabled, start/endtime, etc. ($this->user_where_clause())
1052 *
1053 * @param integer The UID of the backend user to set in ->user
1054 * @return void
1055 * @internal
1056 * @see SC_mod_tools_be_user_index::compareUsers(), SC_mod_user_setup_index::simulateUser(), freesite_admin::startCreate()
1057 */
1058 function setBeUserByUid($uid) {
1059 $this->user = $this->getRawUserByUid($uid);
1060 }
1061
1062 /**
1063 * Raw initialization of the be_user with username=$name
1064 *
1065 * @param string The username to look up.
1066 * @return void
1067 * @see t3lib_userAuth::setBeUserByUid()
1068 * @internal
1069 */
1070 function setBeUserByName($name) {
1071 $this->user = $this->getRawUserByName($name);
1072 }
1073
1074 /**
1075 * Fetching raw user record with uid=$uid
1076 *
1077 * @param integer The UID of the backend user to set in ->user
1078 * @return array user record or FALSE
1079 * @internal
1080 */
1081 function getRawUserByUid($uid) {
1082 $user = FALSE;
1083 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', $this->user_table, 'uid='.intval($uid).' '.$this->user_where_clause());
1084 if ($dbres) {
1085 $user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres);
1086 $GLOBALS['TYPO3_DB']->sql_free_result($dbres);
1087 }
1088 return $user;
1089 }
1090
1091 /**
1092 * Fetching raw user record with username=$name
1093 *
1094 * @param string The username to look up.
1095 * @return array user record or FALSE
1096 * @see t3lib_userAuth::getUserByUid()
1097 * @internal
1098 */
1099 function getRawUserByName($name) {
1100 $user = FALSE;
1101 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', $this->user_table, 'username='.$GLOBALS['TYPO3_DB']->fullQuoteStr($name, $this->user_table).' '.$this->user_where_clause());
1102 if ($dbres) {
1103 $user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres);
1104 $GLOBALS['TYPO3_DB']->sql_free_result($dbres);
1105 }
1106 return $user;
1107 }
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123 /*************************
1124 *
1125 * Create/update user - EXPERIMENTAL
1126 *
1127 *************************/
1128
1129 /**
1130 * Get a user from DB by username
1131 * provided for usage from services
1132 *
1133 * @param array User db table definition: $this->db_user
1134 * @param string user name
1135 * @param string additional WHERE clause: " AND ...
1136 * @return mixed user array or FALSE
1137 */
1138 function fetchUserRecord($dbUser, $username, $extraWhere='' ) {
1139 $user = FALSE;
1140
1141 $usernameClause = $username ? ($dbUser['username_column'].'='.$GLOBALS['TYPO3_DB']->fullQuoteStr($username, $dbUser['table'])) : '';
1142
1143 if ($username OR $extraWhere) {
1144
1145 // Look up the user by the username and/or extraWhere:
1146 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
1147 '*',
1148 $dbUser['table'],
1149 $usernameClause.
1150 $dbUser['check_pid_clause'].
1151 $dbUser['enable_clause'].
1152 $extraWhere
1153 );
1154
1155 if ($dbres) {
1156 $user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres);
1157 $GLOBALS['TYPO3_DB']->sql_free_result($dbres);
1158 }
1159 }
1160 return $user;
1161 }
1162 }
1163
1164
1165
1166 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_userauth.php']) {
1167 include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_userauth.php']);
1168 }
1169 ?>