2005-11-11 Sebastian Kurfuerst <sebastian@garbage-group.de>
[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: 0');
291 header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
292 header('Cache-Control: no-cache, must-revalidate');
293 header('Pragma: no-cache');
294 }
295
296 // If we're lucky we'll get to clean up old sessions....
297 if ((rand()%100) <= $this->gc_probability) {
298 $this->gc();
299 }
300 }
301
302 /**
303 * Checks if a submission of username and password is present or use other authentication by auth services
304 *
305 * @return void
306 * @internal
307 */
308 function checkAuthentication() {
309
310 // No user for now - will be searched by service below
311 $tempuserArr = array();
312 $tempuser = FALSE;
313
314 // User is not authenticated by default
315 $authenticated = FALSE;
316
317 // User want to login with passed login data (name/password)
318 $activeLogin = FALSE;
319
320 // Indicates if an active authentication failed (not auto login)
321 $this->loginFailure = FALSE;
322
323 if ($this->writeDevLog) t3lib_div::devLog('Login type: '.$this->loginType, 't3lib_userAuth');
324
325 // The info array provide additional information for auth services
326 $authInfo = $this->getAuthInfoArray();
327
328 // Get Login/Logout data submitted by a form or params
329 $loginData = $this->getLoginFormData();
330
331 if ($this->writeDevLog) t3lib_div::devLog('Login data: '.t3lib_div::arrayToLogString($loginData), 't3lib_userAuth');
332
333
334 // active logout (eg. with "logout" button)
335 if ($loginData['status']=='logout') {
336 if ($this->writeStdLog) $this->writelog(255,2,0,2,'User %s logged out',Array($this->user['username'])); // Logout written to log
337 if ($this->writeDevLog) t3lib_div::devLog('User logged out. Id: '.$this->id, 't3lib_userAuth', -1);
338
339 $this->logoff();
340 }
341
342 // active login (eg. with login form)
343 if ($loginData['status']=='login') {
344 $activeLogin = TRUE;
345
346 if ($this->writeDevLog) t3lib_div::devLog('Active login (eg. with login form)', 't3lib_userAuth');
347
348 // check referer for submitted login values
349 if($this->formfield_status && $loginData['uident'] && $loginData['uname']) {
350 $httpHost = t3lib_div::getIndpEnv('TYPO3_HOST_ONLY');
351 if (!$this->getMethodEnabled && ($httpHost!=$authInfo['refInfo']['host'] && !$GLOBALS['TYPO3_CONF_VARS']['SYS']['doNotCheckReferer'])) {
352 die('Error: This host address ("'.$httpHost.'") and the referer host ("'.$authInfo['refInfo']['host'].'") mismatches!<br />
353 It\'s possible that the environment variable HTTP_REFERER is not passed to the script because of a proxy.<br />
354 The site administrator can disable this check in the "All Configuration" section of the Install Tool (flag: TYPO3_CONF_VARS[SYS][doNotCheckReferer]).');
355 }
356
357 // delete old user session if any
358 $this->logoff();
359 }
360 }
361
362
363 // the following code makes auto-login possible (if configured). No submitted data needed
364
365 // re-read user session
366 $authInfo['userSession'] = $this->fetchUserSession();
367 $haveSession = is_array($authInfo['userSession']) ? TRUE : FALSE;
368
369 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);
370 if ($this->writeDevLog) t3lib_div::devLog('SV setup: '.t3lib_div::arrayToLogString($this->svConfig['setup']), 't3lib_userAuth', 0);
371
372
373 // fetch user if ...
374 if ( $activeLogin
375 OR (!$haveSession AND $this->svConfig['setup'][$this->loginType.'_fetchUserIfNoSession'])
376 OR $this->svConfig['setup'][$this->loginType.'_alwaysFetchUser']) {
377
378 // use 'auth' service to find the user
379 // first found user will be used
380 $serviceChain = '';
381 $subType = 'getUser'.$this->loginType;
382 while (is_object($serviceObj = t3lib_div::makeInstanceService('auth', $subType, $serviceChain))) {
383 $serviceChain.=','.$serviceObj->getServiceKey();
384 $serviceObj->initAuth($subType, $loginData, $authInfo, $this);
385 if ($row=$serviceObj->getUser()) {
386 $tempuserArr[] = $row;
387
388 if ($this->writeDevLog) t3lib_div::devLog('User found: '.t3lib_div::arrayToLogString($row, array($this->userid_column,$this->username_column)), 't3lib_userAuth', 0);
389
390 // user found, just stop to search for more if not configured to go on
391 if(!$this->svConfig['setup'][$this->loginType.'_fetchAllUsers']) {
392 break;
393 }
394 }
395 unset($serviceObj);
396 }
397 unset($serviceObj);
398
399 if ($this->writeDevLog AND $this->svConfig['setup'][$this->loginType.'_alwaysFetchUser']) t3lib_div::devLog($this->loginType.'_alwaysFetchUser option is enabled', 't3lib_userAuth');
400 if ($this->writeDevLog AND $serviceChain) t3lib_div::devLog($subType.' auth services called: '.$serviceChain, 't3lib_userAuth');
401 if ($this->writeDevLog AND !count($tempuserArr)) t3lib_div::devLog('No user found by services', 't3lib_userAuth');
402 if ($this->writeDevLog AND count($tempuserArr)) t3lib_div::devLog(count($tempuserArr).' user records found by services', 't3lib_userAuth');
403 }
404
405
406 // If no new user was set we use the already found user session
407 if (!count($tempuserArr) AND $haveSession) {
408 $tempuserArr[] = $authInfo['userSession'];
409 $tempuser = $authInfo['userSession'];
410 // User is authenticated because we found a user session
411 $authenticated = TRUE;
412
413 if ($this->writeDevLog) t3lib_div::devLog('User session used: '.t3lib_div::arrayToLogString($authInfo['userSession'], array($this->userid_column,$this->username_column)), 't3lib_userAuth');
414 }
415
416
417 // Re-auth user when 'auth'-service option is set
418 if ($this->svConfig['setup'][$this->loginType.'_alwaysAuthUser']) {
419 $authenticated = FALSE;
420 if ($this->writeDevLog) t3lib_div::devLog('alwaysAuthUser option is enabled', 't3lib_userAuth');
421 }
422
423
424 // Authenticate the user if needed
425 if(count($tempuserArr) AND !$authenticated) {
426
427 foreach($tempuserArr as $tempuser) {
428
429 // use 'auth' service to authenticate the user
430 // if one service returns FALSE then authentication failed
431 // a service might return 100 which means there's no reason to stop but the user can't be authenticated by that service
432
433 if ($this->writeDevLog) t3lib_div::devLog('Auth user: '.t3lib_div::arrayToLogString($tempuser), 't3lib_userAuth');
434
435 $serviceChain='';
436 $subType = 'authUser'.$this->loginType;
437 while (is_object($serviceObj = t3lib_div::makeInstanceService('auth', $subType, $serviceChain))) {
438 $serviceChain.=','.$serviceObj->getServiceKey();
439 $serviceObj->initAuth($subType, $loginData, $authInfo, $this);
440 if (($ret=$serviceObj->authUser($tempuser)) > 0) {
441
442 // if the service returns >=200 then no more checking is needed - useful for IP checking without password
443 if (intval($ret) >= 200) {
444 $authenticated = TRUE;
445 break;
446 } elseif (intval($ret) >= 100) {
447 // Just go on. User is still not authenticated but there's no reason to stop now.
448 } else {
449 $authenticated = TRUE;
450 }
451
452 } else {
453 $authenticated = FALSE;
454 break;
455 }
456 unset($serviceObj);
457 }
458 unset($serviceObj);
459
460 if ($this->writeDevLog AND $serviceChain) t3lib_div::devLog($subType.' auth services called: '.$serviceChain, 't3lib_userAuth');
461
462 if($authenticated) {
463 // leave foreach() because a user is authenticated
464 break;
465 }
466 }
467 }
468
469
470 // If user is authenticated a valid user is in $tempuser
471 if ($authenticated) {
472 // reset failure flag
473 $this->loginFailure = FALSE;
474
475
476 // Insert session record if needed:
477 if (!($haveSession AND (
478 $tempuser['ses_id']==$this->id OR // check if the tempuser has the current session id
479 $tempuser['uid']==$authInfo['userSession']['ses_userid'] // check if the tempuser has the uid of the fetched session user
480 ))) {
481 $this->createUserSession($tempuser);
482
483 // The login session is started.
484 $this->loginSessionStarted = TRUE;
485 }
486
487 // User logged in - write that to the log!
488 if ($this->writeStdLog && $activeLogin) {
489 $this->writelog(255,1,0,1,
490 'User %s logged in from %s (%s)',
491 Array($tempuser[$this->username_column], t3lib_div::getIndpEnv('REMOTE_ADDR'), t3lib_div::getIndpEnv('REMOTE_HOST')),
492 '','','',-1,'',$tempuser['uid']
493 );
494 }
495
496 if ($this->writeDevLog && $activeLogin) t3lib_div::devLog('User '.$tempuser[$this->username_column].' logged in from '.t3lib_div::getIndpEnv('REMOTE_ADDR').' ('.t3lib_div::getIndpEnv('REMOTE_HOST').')', 't3lib_userAuth', -1);
497 if ($this->writeDevLog && !$activeLogin) t3lib_div::devLog('User '.$tempuser[$this->username_column].' authenticated from '.t3lib_div::getIndpEnv('REMOTE_ADDR').' ('.t3lib_div::getIndpEnv('REMOTE_HOST').')', 't3lib_userAuth', -1);
498
499 if($GLOBALS['TYPO3_CONF_VARS']['BE']['lockSSL'] == 3 && $this->user_table == 'be_users') {
500 $requestStr = substr(t3lib_div::getIndpEnv('TYPO3_REQUEST_SCRIPT'), strlen(t3lib_div::getIndpEnv('TYPO3_SITE_URL').TYPO3_mainDir));
501 if($requestStr == 'alt_main.php' && t3lib_div::getIndpEnv('TYPO3_SSL')) {
502 list(,$url) = explode('://',t3lib_div::getIndpEnv('TYPO3_SITE_URL'),2);
503 header('Location: http://'.$url.TYPO3_mainDir.'alt_main.php');
504 }
505 }
506
507 } elseif ($activeLogin OR count($tempuserArr)) {
508 $this->loginFailure = TRUE;
509
510 if ($this->writeDevLog AND !count($tempuserArr) AND $activeLogin) t3lib_div::devLog('Login failed: '.t3lib_div::arrayToLogString($loginData), 't3lib_userAuth', 2);
511 if ($this->writeDevLog AND count($tempuserArr)) t3lib_div::devLog('Login failed: '.t3lib_div::arrayToLogString($tempuser, array($this->userid_column,$this->username_column)), 't3lib_userAuth', 2);
512 }
513
514
515 // If there were a login failure, check to see if a warning email should be sent:
516 if ($this->loginFailure AND $activeLogin) {
517 if ($this->writeDevLog) t3lib_div::devLog('Call checkLogFailures: '.t3lib_div::arrayToLogString(array('warningEmail'=>$this->warningEmail,'warningPeriod'=>$this->warningPeriod,'warningMax'=>$this->warningMax,)), 't3lib_userAuth', -1);
518
519 $this->checkLogFailures($this->warningEmail, $this->warningPeriod, $this->warningMax);
520 }
521 }
522
523
524
525
526
527
528
529
530
531
532
533
534 /*************************
535 *
536 * User Sessions
537 *
538 *************************/
539
540
541 /**
542 * Creates a user session record.
543 *
544 * @param array user data array
545 * @return void
546 */
547 function createUserSession ($tempuser) {
548
549 if ($this->writeDevLog) t3lib_div::devLog('Create session ses_id = '.$this->id, 't3lib_userAuth');
550
551 // delete session entry first
552 $GLOBALS['TYPO3_DB']->exec_DELETEquery(
553 $this->session_table,
554 'ses_id = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table).'
555 AND ses_name = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table)
556 );
557
558 // re-create session entry
559 $insertFields = array(
560 'ses_id' => $this->id,
561 'ses_name' => $this->name,
562 'ses_iplock' => $tempuser['disableIPlock'] ? '[DISABLED]' : $this->ipLockClause_remoteIPNumber($this->lockIP),
563 'ses_hashlock' => $this->hashLockClause_getHashInt(),
564 'ses_userid' => $tempuser[$this->userid_column],
565 'ses_tstamp' => $GLOBALS['EXEC_TIME']
566 );
567 $GLOBALS['TYPO3_DB']->exec_INSERTquery($this->session_table, $insertFields);
568
569 // Updating lastLogin_column carrying information about last login.
570 if ($this->lastLogin_column) {
571 $GLOBALS['TYPO3_DB']->exec_UPDATEquery(
572 $this->user_table,
573 $this->userid_column.'='.$GLOBALS['TYPO3_DB']->fullQuoteStr($tempuser[$this->userid_column], $this->user_table),
574 array($this->lastLogin_column => $GLOBALS['EXEC_TIME'])
575 );
576 }
577 }
578
579 /**
580 * Read the user session from db.
581 *
582 * @return array user session data
583 */
584 function fetchUserSession() {
585
586 $user = '';
587
588 if ($this->writeDevLog) t3lib_div::devLog('Fetch session ses_id = '.$this->id, 't3lib_userAuth');
589
590 // 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
591 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
592 '*',
593 $this->session_table.','.$this->user_table,
594 $this->session_table.'.ses_id = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table).'
595 AND '.$this->session_table.'.ses_name = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table).'
596 AND '.$this->session_table.'.ses_userid = '.$this->user_table.'.'.$this->userid_column.'
597 '.$this->ipLockClause().'
598 '.$this->hashLockClause().'
599 '.$this->user_where_clause()
600 );
601
602
603 if ($user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres)) {
604 // A user was found
605 if (is_string($this->auth_timeout_field)) {
606 $timeout = intval($user[$this->auth_timeout_field]); // Get timeout-time from usertable
607 } else {
608 $timeout = intval($this->auth_timeout_field); // Get timeout from object
609 }
610 // If timeout > 0 (true) and currenttime has not exceeded the latest sessions-time plus the timeout in seconds then accept user
611 // 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...
612 if ($timeout>0 && ($GLOBALS['EXEC_TIME'] < ($user['ses_tstamp']+$timeout))) {
613 $GLOBALS['TYPO3_DB']->exec_UPDATEquery(
614 $this->session_table,
615 'ses_id='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table).'
616 AND ses_name='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table),
617 array('ses_tstamp' => $GLOBALS['EXEC_TIME'])
618 );
619 $user['ses_tstamp'] = $GLOBALS['EXEC_TIME']; // Make sure that the timestamp is also updated in the array
620 } else {
621 $this->logoff(); // delete any user set...
622 }
623 } else {
624 $this->logoff(); // delete any user set...
625 }
626 return $user;
627 }
628
629 /**
630 * Log out current user!
631 * Removes the current session record, sets the internal ->user array to a blank string; Thereby the current user (if any) is effectively logged out!
632 *
633 * @return void
634 */
635 function logoff() {
636 if ($this->writeDevLog) t3lib_div::devLog('logoff: ses_id = '.$this->id, 't3lib_userAuth');
637
638 // Hook for pre-processing the logoff() method, requested and implemented by andreas.otto@dkd.de:
639 if ( is_array( $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['tslib/class.tslib_feuserauth.php']['logoff_pre_processing'] ) ) {
640 $_params = array();
641 foreach( $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['tslib/class.tslib_feuserauth.php']['logoff_pre_processing'] as $_funcRef ) {
642 if ($_funcRef) {
643 t3lib_div::callUserFunction($_funcRef,$_params,$this);
644 }
645 }
646 }
647
648 $GLOBALS['TYPO3_DB']->exec_DELETEquery(
649 $this->session_table,
650 'ses_id = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table).'
651 AND ses_name = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table)
652 );
653
654 $this->user = '';
655
656 // Hook for post-processing the logoff() method, requested and implemented by andreas.otto@dkd.de:
657 if ( is_array( $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['tslib/class.tslib_feuserauth.php']['logoff_post_processing'] ) ) {
658 $_params = array();
659 foreach( $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['tslib/class.tslib_feuserauth.php']['logoff_post_processing'] as $_funcRef ) {
660 if ($_funcRef) {
661 t3lib_div::callUserFunction($_funcRef,$_params,$this);
662 }
663 }
664 }
665 }
666
667
668
669
670
671
672
673
674
675
676
677
678
679 /*************************
680 *
681 * SQL Functions
682 *
683 *************************/
684
685 /**
686 * This returns the where-clause needed to select the user with respect flags like deleted, hidden, starttime, endtime
687 *
688 * @return string
689 * @access private
690 */
691 function user_where_clause() {
692 return (($this->enablecolumns['rootLevel']) ? 'AND '.$this->user_table.'.pid=0 ' : '').
693 (($this->enablecolumns['disabled']) ? ' AND '.$this->user_table.'.'.$this->enablecolumns['disabled'].'=0' : '').
694 (($this->enablecolumns['deleted']) ? ' AND '.$this->user_table.'.'.$this->enablecolumns['deleted'].'=0' : '').
695 (($this->enablecolumns['starttime']) ? ' AND ('.$this->user_table.'.'.$this->enablecolumns['starttime'].'<='.time().')' : '').
696 (($this->enablecolumns['endtime']) ? ' AND ('.$this->user_table.'.'.$this->enablecolumns['endtime'].'=0 OR '.$this->user_table.'.'.$this->enablecolumns['endtime'].'>'.time().')' : '');
697 }
698
699 /**
700 * This returns the where-clause needed to lock a user to the IP address
701 *
702 * @return string
703 * @access private
704 */
705 function ipLockClause() {
706 if ($this->lockIP) {
707 $wherePart = 'AND (
708 '.$this->session_table.'.ses_iplock='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->ipLockClause_remoteIPNumber($this->lockIP),$this->session_table).'
709 OR '.$this->session_table.'.ses_iplock=\'[DISABLED]\'
710 )';
711 return $wherePart;
712 }
713 }
714
715 /**
716 * Returns the IP address to lock to.
717 * The IP address may be partial based on $parts.
718 *
719 * @param integer 1-4: Indicates how many parts of the IP address to return. 4 means all, 1 means only first number.
720 * @return string (Partial) IP address for REMOTE_ADDR
721 * @access private
722 */
723 function ipLockClause_remoteIPNumber($parts) {
724 $IP = t3lib_div::getIndpEnv('REMOTE_ADDR');
725
726 if ($parts>=4) {
727 return $IP;
728 } else {
729 $parts = t3lib_div::intInRange($parts,1,3);
730 $IPparts = explode('.',$IP);
731 for($a=4;$a>$parts;$a--) {
732 unset($IPparts[$a-1]);
733 }
734 return implode('.',$IPparts);
735 }
736 }
737
738 /**
739 * This returns the where-clause needed to lock a user to a hash integer
740 *
741 * @return string
742 * @access private
743 */
744 function hashLockClause() {
745 $wherePart = 'AND '.$this->session_table.'.ses_hashlock='.intval($this->hashLockClause_getHashInt());
746 return $wherePart;
747 }
748
749 /**
750 * Creates hash integer to lock user to. Depends on configured keywords
751 *
752 * @return integer Hash integer
753 * @access private
754 */
755 function hashLockClause_getHashInt() {
756 $hashStr = '';
757
758 if (t3lib_div::inList($this->lockHashKeyWords,'useragent')) $hashStr.=':'.t3lib_div::getIndpEnv('HTTP_USER_AGENT');
759
760 return t3lib_div::md5int($hashStr);
761 }
762
763
764
765
766
767
768
769
770
771
772
773 /*************************
774 *
775 * Session and Configuration Handling
776 *
777 *************************/
778
779 /**
780 * This writes $variable to the user-record. This is a way of providing session-data.
781 * You can fetch the data again through $this->uc in this class!
782 * If $variable is not an array, $this->uc is saved!
783 *
784 * @param array An array you want to store for the user as session data. If $variable is not supplied (is blank string), the internal variable, ->uc, is stored by default
785 * @return void
786 */
787 function writeUC($variable='') {
788 if (is_array($this->user) && $this->user[$this->userid_column]) {
789 if (!is_array($variable)) { $variable = $this->uc; }
790
791 if ($this->writeDevLog) t3lib_div::devLog('writeUC: '.$this->userid_column.'='.intval($this->user[$this->userid_column]), 't3lib_userAuth');
792 $GLOBALS['TYPO3_DB']->exec_UPDATEquery($this->user_table, $this->userid_column.'='.intval($this->user[$this->userid_column]), array('uc' => serialize($variable)));
793 }
794 }
795
796 /**
797 * Sets $theUC as the internal variable ->uc IF $theUC is an array. If $theUC is false, the 'uc' content from the ->user array will be unserialized and restored in ->uc
798 *
799 * @param mixed If an array, then set as ->uc, otherwise load from user record
800 * @return void
801 */
802 function unpack_uc($theUC='') {
803 if (!$theUC) $theUC=unserialize($this->user['uc']);
804 if (is_array($theUC)) {
805 $this->uc=$theUC;
806 }
807 }
808
809 /**
810 * Stores data for a module.
811 * 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.
812 *
813 * @param string $module is the name of the module ($MCONF['name'])
814 * @param mixed $data is the data you want to store for that module (array, string, ...)
815 * @param boolean If $noSave is set, then the ->uc array (which carries all kinds of user data) is NOT written immediately, but must be written by some subsequent call.
816 * @return void
817 */
818 function pushModuleData($module,$data,$noSave=0) {
819 $this->uc['moduleData'][$module] = $data;
820 $this->uc['moduleSessionID'][$module] = $this->id;
821 if (!$noSave) $this->writeUC();
822 }
823
824 /**
825 * Gets module data for a module (from a loaded ->uc array)
826 *
827 * @param string $module is the name of the module ($MCONF['name'])
828 * @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).
829 * @return mixed The module data if available: $this->uc['moduleData'][$module];
830 */
831 function getModuleData($module,$type='') {
832 if ($type!='ses' || $this->uc['moduleSessionID'][$module]==$this->id) {
833 return $this->uc['moduleData'][$module];
834 }
835 }
836
837 /**
838 * Returns the session data stored for $key.
839 * The data will last only for this login session since it is stored in the session table.
840 *
841 * @param string Pointer to an associative key in the session data array which is stored serialized in the field "ses_data" of the session table.
842 * @return mixed
843 */
844 function getSessionData($key) {
845 $sesDat = unserialize($this->user['ses_data']);
846 return $sesDat[$key];
847 }
848
849 /**
850 * Sets the session data ($data) for $key and writes all session data (from ->user['ses_data']) to the database.
851 * The data will last only for this login session since it is stored in the session table.
852 *
853 * @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.
854 * @param mixed The variable to store in index $key
855 * @return void
856 */
857 function setAndSaveSessionData($key,$data) {
858 $sesDat = unserialize($this->user['ses_data']);
859 $sesDat[$key] = $data;
860 $this->user['ses_data'] = serialize($sesDat);
861
862 if ($this->writeDevLog) t3lib_div::devLog('setAndSaveSessionData: ses_id = '.$this->user['ses_id'], 't3lib_userAuth');
863 $GLOBALS['TYPO3_DB']->exec_UPDATEquery($this->session_table, 'ses_id='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->user['ses_id'], $this->session_table), array('ses_data' => $this->user['ses_data']));
864 }
865
866
867
868
869
870
871
872
873
874
875
876
877
878 /*************************
879 *
880 * Misc
881 *
882 *************************/
883
884 /**
885 * Returns an info array with Login/Logout data submitted by a form or params
886 *
887 * @return array
888 * @internal
889 */
890 function getLoginFormData() {
891 $loginData=array();
892 if ($this->getMethodEnabled) {
893 $loginData['status'] = t3lib_div::_GP($this->formfield_status);
894 $loginData['uname'] = t3lib_div::_GP($this->formfield_uname);
895 $loginData['uident'] = t3lib_div::_GP($this->formfield_uident);
896 $loginData['chalvalue'] = t3lib_div::_GP($this->formfield_chalvalue);
897 } else {
898 $loginData['status'] = t3lib_div::_POST($this->formfield_status);
899 $loginData['uname'] = t3lib_div::_POST($this->formfield_uname);
900 $loginData['uident'] = t3lib_div::_POST($this->formfield_uident);
901 $loginData['chalvalue'] = t3lib_div::_POST($this->formfield_chalvalue);
902 }
903 $loginData = $this->processLoginData($loginData);
904
905 return $loginData;
906 }
907
908 /**
909 * Processes Login data submitted by a form or params depending on the
910 * security_level
911 *
912 * @param array login data array
913 * @param string Alternative security_level. Used when authentication services wants to override the default.
914 * @return array processed login data array
915 * @internal
916 */
917 function processLoginData($loginData, $security_level='') {
918 global $TYPO3_CONF_VARS;
919
920 $loginSecurityLevel = $security_level ? $security_level : ($TYPO3_CONF_VARS[$this->loginType]['loginSecurityLevel'] ? $TYPO3_CONF_VARS[$this->loginType]['loginSecurityLevel'] : $this->security_level);
921
922 // Processing data according to the state it was submitted in.
923 // ($loginSecurityLevel should reflect the security level used on the data being submitted in the login form)
924 if ($loginSecurityLevel=='normal') {
925 $loginData['uident_text'] = $loginData['uident'];
926 $loginData['uident_challenged'] = (string)md5($loginData['uname'].':'.$loginData['uident'].':'.$loginData['chalvalue']);
927 $loginData['uident_superchallenged'] = (string)md5($loginData['uname'].':'.(md5($loginData['uident'])).':'.$loginData['chalvalue']);
928 } elseif ($loginSecurityLevel=='challenged') {
929 $loginData['uident_text'] = '';
930 $loginData['uident_challenged'] = $loginData['uident'];
931 $loginData['uident_superchallenged'] = '';
932 } elseif ($loginSecurityLevel=='superchallenged') {
933 $loginData['uident_text'] = '';
934 $loginData['uident_challenged'] = '';
935 $loginData['uident_superchallenged'] = $loginData['uident'];
936 }
937
938 // The password "uident" is set based on the internal security setting of TYPO3
939 // Example:
940 // $this->security_level for the backend must be "superchallenged" because passwords are stored as md5-hashes in the be_users table
941 // $this->security_level for the frontend must be "normal" or "challenged" because passwords are stored as clear-text in the fe_users tables
942 if ($this->security_level=='normal') {
943 $loginData['uident'] = $loginData['uident_text'];
944 } elseif ($this->security_level=='challenged') {
945 $loginData['uident'] = $loginData['uident_challenged'];
946 } elseif ($this->security_level=='superchallenged') {
947 $loginData['uident'] = $loginData['uident_superchallenged'];
948 }
949
950 return $loginData;
951 }
952
953 /**
954 * Returns an info array which provides additional information for auth services
955 *
956 * @return array
957 * @internal
958 */
959 function getAuthInfoArray() {
960 $authInfo = array();
961 $authInfo['loginType'] = $this->loginType;
962 $authInfo['refInfo'] = parse_url(t3lib_div::getIndpEnv('HTTP_REFERER'));
963 $authInfo['HTTP_HOST'] = t3lib_div::getIndpEnv('HTTP_HOST');
964 $authInfo['REMOTE_ADDR'] = t3lib_div::getIndpEnv('REMOTE_ADDR');
965 $authInfo['REMOTE_HOST'] = t3lib_div::getIndpEnv('REMOTE_HOST');
966 $authInfo['security_level'] = $this->security_level;
967 $authInfo['showHiddenRecords'] = $this->showHiddenRecords;
968 // can be overidden in localconf by SVCONF:
969 $authInfo['db_user']['table'] = $this->user_table;
970 $authInfo['db_user']['userid_column'] = $this->userid_column;
971 $authInfo['db_user']['username_column'] = $this->username_column;
972 $authInfo['db_user']['userident_column'] = $this->userident_column;
973 $authInfo['db_user']['usergroup_column'] = $this->usergroup_column;
974 $authInfo['db_user']['enable_clause'] = $this->user_where_clause();
975 $authInfo['db_user']['checkPidList'] = $this->checkPid ? $this->checkPid_value : '';
976 $authInfo['db_user']['check_pid_clause'] = $this->checkPid ? ' AND pid IN ('.$GLOBALS['TYPO3_DB']->cleanIntList($authInfo['db_user']['checkPidList']).')' : '';
977 $authInfo['db_groups']['table'] = $this->usergroup_table;
978 return $authInfo;
979 }
980
981 /**
982 * Check the login data with the user record data for builtin login methods
983 *
984 * @param array user data array
985 * @param array login data array
986 * @param string Alternative security_level. Used when authentication services wants to override the default.
987 * @return boolean true if login data matched
988 */
989 function compareUident($user, $loginData, $security_level='') {
990
991 $OK = FALSE;
992 $security_level = $security_level ? $security_level : $this->security_level;
993
994 switch ($security_level) {
995 case 'superchallenged': // If superchallenged the password in the database ($user[$this->userident_column]) must be a md5-hash of the original password.
996 case 'challenged':
997
998 // Check challenge stored in cookie:
999 if ($this->challengeStoredInCookie) {
1000 session_start();
1001 if ($_SESSION['login_challenge'] !== $loginData['chalvalue']) {
1002 if ($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);
1003 $this->logoff();
1004 return FALSE;
1005 }
1006 }
1007
1008 if ((string)$loginData['uident'] === (string)md5($user[$this->username_column].':'.$user[$this->userident_column].':'.$loginData['chalvalue'])) {
1009 $OK = TRUE;
1010 };
1011 break;
1012 default: // normal
1013 if ((string)$loginData['uident'] === (string)$user[$this->userident_column]) {
1014 $OK = TRUE;
1015 };
1016 break;
1017 }
1018
1019 return $OK;
1020 }
1021
1022 /**
1023 * Garbage collector, removing old expired sessions.
1024 *
1025 * @return void
1026 * @internal
1027 */
1028 function gc() {
1029 $GLOBALS['TYPO3_DB']->exec_DELETEquery(
1030 $this->session_table,
1031 'ses_tstamp < '.intval(time()-($this->gc_time*60*60)).'
1032 AND ses_name = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table)
1033 );
1034 }
1035
1036 /**
1037 * Redirect to somewhere. Obsolete, depreciated etc.
1038 *
1039 * @return void
1040 * @ignore
1041 */
1042 function redirect() {
1043 if (!$this->userid && $this->auth_url) { // if no userid AND an include-document for login is given
1044 include ($this->auth_include);
1045 exit;
1046 }
1047 }
1048
1049 /**
1050 * DUMMY: Writes to log database table (in some extension classes)
1051 *
1052 * @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
1053 * @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 !!)
1054 * @param integer $error: flag. 0 = message, 1 = error (user problem), 2 = System Error (which should not happen), 3 = security notice (admin)
1055 * @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
1056 * @param string $details: Default text that follows the message
1057 * @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...
1058 * @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.)
1059 * @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.)
1060 * @param integer $recpid: Special field used by tce_main.php. These ($tablename, $recuid, $recpid) holds the reference to the record which the log-entry is about. (Was used in attic status.php to update the interface.)
1061 * @return void
1062 * @see t3lib_userauthgroup::writelog()
1063 */
1064 function writelog($type,$action,$error,$details_nr,$details,$data,$tablename,$recuid,$recpid) {
1065 }
1066
1067 /**
1068 * DUMMY: Check login failures (in some extension classes)
1069 *
1070 * @return void
1071 * @ignore
1072 */
1073 function checkLogFailures() {
1074 }
1075
1076 /**
1077 * Raw initialization of the be_user with uid=$uid
1078 * This will circumvent all login procedures and select a be_users record from the database and set the content of ->user to the record selected. Thus the BE_USER object will appear like if a user was authenticated - however without a session id and the fields from the session table of course.
1079 * Will check the users for disabled, start/endtime, etc. ($this->user_where_clause())
1080 *
1081 * @param integer The UID of the backend user to set in ->user
1082 * @return void
1083 * @internal
1084 * @see SC_mod_tools_be_user_index::compareUsers(), SC_mod_user_setup_index::simulateUser(), freesite_admin::startCreate()
1085 */
1086 function setBeUserByUid($uid) {
1087 $this->user = $this->getRawUserByUid($uid);
1088 }
1089
1090 /**
1091 * Raw initialization of the be_user with username=$name
1092 *
1093 * @param string The username to look up.
1094 * @return void
1095 * @see t3lib_userAuth::setBeUserByUid()
1096 * @internal
1097 */
1098 function setBeUserByName($name) {
1099 $this->user = $this->getRawUserByName($name);
1100 }
1101
1102 /**
1103 * Fetching raw user record with uid=$uid
1104 *
1105 * @param integer The UID of the backend user to set in ->user
1106 * @return array user record or FALSE
1107 * @internal
1108 */
1109 function getRawUserByUid($uid) {
1110 $user = FALSE;
1111 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', $this->user_table, 'uid='.intval($uid).' '.$this->user_where_clause());
1112 if ($dbres) {
1113 $user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres);
1114 $GLOBALS['TYPO3_DB']->sql_free_result($dbres);
1115 }
1116 return $user;
1117 }
1118
1119 /**
1120 * Fetching raw user record with username=$name
1121 *
1122 * @param string The username to look up.
1123 * @return array user record or FALSE
1124 * @see t3lib_userAuth::getUserByUid()
1125 * @internal
1126 */
1127 function getRawUserByName($name) {
1128 $user = FALSE;
1129 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', $this->user_table, 'username='.$GLOBALS['TYPO3_DB']->fullQuoteStr($name, $this->user_table).' '.$this->user_where_clause());
1130 if ($dbres) {
1131 $user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres);
1132 $GLOBALS['TYPO3_DB']->sql_free_result($dbres);
1133 }
1134 return $user;
1135 }
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151 /*************************
1152 *
1153 * Create/update user - EXPERIMENTAL
1154 *
1155 *************************/
1156
1157 /**
1158 * Get a user from DB by username
1159 * provided for usage from services
1160 *
1161 * @param array User db table definition: $this->db_user
1162 * @param string user name
1163 * @param string additional WHERE clause: " AND ...
1164 * @return mixed user array or FALSE
1165 */
1166 function fetchUserRecord($dbUser, $username, $extraWhere='' ) {
1167 $user = FALSE;
1168
1169 $usernameClause = $username ? ($dbUser['username_column'].'='.$GLOBALS['TYPO3_DB']->fullQuoteStr($username, $dbUser['table'])) : '';
1170
1171 if ($username OR $extraWhere) {
1172
1173 // Look up the user by the username and/or extraWhere:
1174 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
1175 '*',
1176 $dbUser['table'],
1177 $usernameClause.
1178 $dbUser['check_pid_clause'].
1179 $dbUser['enable_clause'].
1180 $extraWhere
1181 );
1182
1183 if ($dbres) {
1184 $user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres);
1185 $GLOBALS['TYPO3_DB']->sql_free_result($dbres);
1186 }
1187 }
1188 return $user;
1189 }
1190 }
1191
1192
1193
1194 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_userauth.php']) {
1195 include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_userauth.php']);
1196 }
1197 ?>