Fixed bug #10146: Session fixation vulnerability in user authentication
[Packages/TYPO3.CMS.git] / t3lib / class.t3lib_userauth.php
1 <?php
2 /***************************************************************
3 * Copyright notice
4 *
5 * (c) 1999-2008 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 * 195: function start()
43 * 329: function checkAuthentication()
44 *
45 * SECTION: User Sessions
46 * 569: function createUserSession ($tempuser)
47 * 606: function fetchUserSession()
48 * 657: function logoff()
49 *
50 * SECTION: SQL Functions
51 * 713: function user_where_clause()
52 * 727: function ipLockClause()
53 * 745: function ipLockClause_remoteIPNumber($parts)
54 * 766: function hashLockClause()
55 * 777: function hashLockClause_getHashInt()
56 *
57 * SECTION: Session and Configuration Handling
58 * 809: function writeUC($variable='')
59 * 824: function unpack_uc($theUC='')
60 * 840: function pushModuleData($module,$data,$noSave=0)
61 * 853: function getModuleData($module,$type='')
62 * 866: function getSessionData($key)
63 * 879: function setAndSaveSessionData($key,$data)
64 *
65 * SECTION: Misc
66 * 912: function getLoginFormData()
67 * 939: function processLoginData($loginData, $security_level='')
68 * 981: function getAuthInfoArray()
69 * 1011: function compareUident($user, $loginData, $security_level='')
70 * 1050: function gc()
71 * 1064: function redirect()
72 * 1086: function writelog($type,$action,$error,$details_nr,$details,$data,$tablename,$recuid,$recpid)
73 * 1095: function checkLogFailures()
74 * 1108: function setBeUserByUid($uid)
75 * 1120: function setBeUserByName($name)
76 * 1131: function getRawUserByUid($uid)
77 * 1149: function getRawUserByName($name)
78 *
79 * SECTION: Create/update user - EXPERIMENTAL
80 * 1188: 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; // Server session lifetime. If > 0: session-timeout in seconds. If false or <0: no timeout. If string: The string is a fieldname from the usertable where the timeout can be found.
140 var $lifetime = 0; // Client session lifetime. 0 = Session-cookies. If session-cookies, the browser will stop the session when the browser is closed. Otherwise this specifies the lifetime of a cookie that keeps the session.
141 var $gc_time = 0; // GarbageCollection. Purge all server session data older than $gc_time seconds. 0 = default to $this->timeout or use 86400 seconds (1 day) if $this->lifetime is 0
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 = $id;
227
228 // If new session or client tries to fix session...
229 if (!$id || !$this->isExistingSessionRecord($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 // 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...
247 $this->checkAuthentication();
248
249 // Make certain that NO user is set initially. ->check_authentication may have set a session-record which will provide us with a user record in the next section:
250 unset($this->user);
251
252 // determine whether we need to skip session update.
253 // This is used mainly for checking session timeout without
254 // refreshing the session itself while checking.
255 if (t3lib_div::_GP('skipSessionUpdate')) {
256 $skipSessionUpdate = true;
257 } else {
258 $skipSessionUpdate = false;
259 }
260
261 // re-read user session
262 $this->user = $this->fetchUserSession($skipSessionUpdate);
263
264 if ($this->writeDevLog && is_array($this->user)) t3lib_div::devLog('User session finally read: '.t3lib_div::arrayToLogString($this->user, array($this->userid_column,$this->username_column)), 't3lib_userAuth', -1);
265 if ($this->writeDevLog && !is_array($this->user)) t3lib_div::devLog('No user session found.', 't3lib_userAuth', 2);
266
267 // Setting cookies
268 if ($TYPO3_CONF_VARS['SYS']['cookieDomain']) {
269 if ($TYPO3_CONF_VARS['SYS']['cookieDomain']{0} == '/') {
270 $matchCnt = @preg_match($TYPO3_CONF_VARS['SYS']['cookieDomain'], t3lib_div::getIndpEnv('TYPO3_HOST_ONLY'), $match);
271 if ($matchCnt === FALSE) {
272 t3lib_div::sysLog('The regular expression of $TYPO3_CONF_VARS[SYS][cookieDomain] contains errors. The session is not shared across sub-domains.', 'Core', 3);
273 } elseif ($matchCnt) {
274 $cookieDomain = $match[0];
275 }
276 } else {
277 $cookieDomain = $TYPO3_CONF_VARS['SYS']['cookieDomain'];
278 }
279 }
280
281 // If new session and the cookie is a sessioncookie, we need to set it only once!
282 if ($this->isSetSessionCookie()) {
283 if (!$this->dontSetCookie) {
284 if ($cookieDomain) {
285 SetCookie($this->name, $id, 0, '/', $cookieDomain);
286 } else {
287 SetCookie($this->name, $id, 0, '/');
288 }
289 if ($this->writeDevLog) t3lib_div::devLog('Set new Cookie: '.$id.($cookieDomain ? ', '.$cookieDomain : ''), 't3lib_userAuth');
290 }
291 }
292
293 // If it is NOT a session-cookie, we need to refresh it.
294 if ($this->isRefreshTimeBasedCookie()) {
295 if (!$this->dontSetCookie) {
296 if ($cookieDomain) {
297 SetCookie($this->name, $id, time()+$this->lifetime, '/', $cookieDomain);
298 } else {
299 SetCookie($this->name, $id, time()+$this->lifetime, '/');
300 }
301 if ($this->writeDevLog) t3lib_div::devLog('Update Cookie: '.$id.($cookieDomain ? ', '.$cookieDomain : ''), 't3lib_userAuth');
302 }
303 }
304
305 // Hook for alternative ways of filling the $this->user array (is used by the "timtaw" extension)
306 if (is_array($TYPO3_CONF_VARS['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['postUserLookUp'])) {
307 foreach ($TYPO3_CONF_VARS['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['postUserLookUp'] as $funcName) {
308 $_params = array(
309 'pObj' => &$this,
310 );
311 t3lib_div::callUserFunction($funcName,$_params,$this);
312 }
313 }
314
315 // If any redirection (inclusion of file) then it will happen in this function
316 $this->redirect();
317
318 // Set all posible headers that could ensure that the script is not cached on the client-side
319 if ($this->sendNoCacheHeaders) {
320 header('Expires: 0');
321 header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
322 header('Cache-Control: no-cache, must-revalidate');
323 header('Pragma: no-cache');
324 }
325
326 // Set $this->gc_time if not explicitely specified
327 if ($this->gc_time==0) {
328 $this->gc_time = ($this->auth_timeout_field==0 ? 86400 : $this->auth_timeout_field); // Default to 1 day if $this->auth_timeout_field is 0
329 }
330
331 // If we're lucky we'll get to clean up old sessions....
332 if ((rand()%100) <= $this->gc_probability) {
333 $this->gc();
334 }
335 }
336
337 /**
338 * Determine whether a session cookie needs to be set (lifetime=0)
339 *
340 * @return boolean
341 * @internal
342 */
343 function isSetSessionCookie() {
344 return ($this->newSessionID || $this->forceSetCookie) && $this->lifetime==0;
345 }
346
347 /**
348 * Determine whether a non-session cookie needs to be set (lifetime>0)
349 *
350 * @return boolean
351 * @internal
352 */
353 function isRefreshTimeBasedCookie() {
354 return $this->lifetime > 0;
355 }
356
357 /**
358 * Checks if a submission of username and password is present or use other authentication by auth services
359 *
360 * @return void
361 * @internal
362 */
363 function checkAuthentication() {
364
365 // No user for now - will be searched by service below
366 $tempuserArr = array();
367 $tempuser = FALSE;
368
369 // User is not authenticated by default
370 $authenticated = FALSE;
371
372 // User want to login with passed login data (name/password)
373 $activeLogin = FALSE;
374
375 // Indicates if an active authentication failed (not auto login)
376 $this->loginFailure = FALSE;
377
378 if ($this->writeDevLog) t3lib_div::devLog('Login type: '.$this->loginType, 't3lib_userAuth');
379
380 // The info array provide additional information for auth services
381 $authInfo = $this->getAuthInfoArray();
382
383 // Get Login/Logout data submitted by a form or params
384 $loginData = $this->getLoginFormData();
385
386 if ($this->writeDevLog) t3lib_div::devLog('Login data: '.t3lib_div::arrayToLogString($loginData), 't3lib_userAuth');
387
388
389 // active logout (eg. with "logout" button)
390 if ($loginData['status']=='logout') {
391 if ($this->writeStdLog) $this->writelog(255,2,0,2,'User %s logged out',Array($this->user['username'])); // Logout written to log
392 if ($this->writeDevLog) t3lib_div::devLog('User logged out. Id: '.$this->id, 't3lib_userAuth', -1);
393
394 $this->logoff();
395 }
396
397 // active login (eg. with login form)
398 if ($loginData['status']=='login') {
399 $activeLogin = TRUE;
400
401 if ($this->writeDevLog) t3lib_div::devLog('Active login (eg. with login form)', 't3lib_userAuth');
402
403 // check referer for submitted login values
404 if ($this->formfield_status && $loginData['uident'] && $loginData['uname']) {
405 $httpHost = t3lib_div::getIndpEnv('TYPO3_HOST_ONLY');
406 if (!$this->getMethodEnabled && ($httpHost!=$authInfo['refInfo']['host'] && !$GLOBALS['TYPO3_CONF_VARS']['SYS']['doNotCheckReferer'])) {
407 die('Error: This host address ("'.$httpHost.'") and the referer host ("'.$authInfo['refInfo']['host'].'") mismatches!<br />
408 It\'s possible that the environment variable HTTP_REFERER is not passed to the script because of a proxy.<br />
409 The site administrator can disable this check in the "All Configuration" section of the Install Tool (flag: TYPO3_CONF_VARS[SYS][doNotCheckReferer]).');
410 }
411
412 // delete old user session if any
413 $this->logoff();
414 }
415
416 // Refuse login for _CLI users (used by commandline scripts)
417 if ((strtoupper(substr($loginData['uname'],0,5))=='_CLI_') && (!defined('TYPO3_cliMode') || !TYPO3_cliMode)) { // although TYPO3_cliMode should never be set when using active login...
418 die('Error: You have tried to login using a CLI user. Access prohibited!');
419 }
420 }
421
422
423 // the following code makes auto-login possible (if configured). No submitted data needed
424
425 // determine whether we need to skip session update.
426 // This is used mainly for checking session timeout without
427 // refreshing the session itself while checking.
428 if (t3lib_div::_GP('skipSessionUpdate')) {
429 $skipSessionUpdate = true;
430 } else {
431 $skipSessionUpdate = false;
432 }
433
434 // re-read user session
435 $authInfo['userSession'] = $this->fetchUserSession($skipSessionUpdate);
436 $haveSession = is_array($authInfo['userSession']) ? TRUE : FALSE;
437
438 if ($this->writeDevLog) {
439 if ($haveSession) {
440 t3lib_div::devLog('User session found: '.t3lib_div::arrayToLogString($authInfo['userSession'], array($this->userid_column,$this->username_column)), 't3lib_userAuth', 0);
441 }
442 if (is_array($this->svConfig['setup'])) {
443 t3lib_div::devLog('SV setup: '.t3lib_div::arrayToLogString($this->svConfig['setup']), 't3lib_userAuth', 0);
444 }
445 }
446
447 // fetch user if ...
448 if ($activeLogin
449 || (!$haveSession && $this->svConfig['setup'][$this->loginType.'_fetchUserIfNoSession'])
450 || $this->svConfig['setup'][$this->loginType.'_alwaysFetchUser']) {
451
452 // use 'auth' service to find the user
453 // first found user will be used
454 $serviceChain = '';
455 $subType = 'getUser'.$this->loginType;
456 while (is_object($serviceObj = t3lib_div::makeInstanceService('auth', $subType, $serviceChain))) {
457 $serviceChain.=','.$serviceObj->getServiceKey();
458 $serviceObj->initAuth($subType, $loginData, $authInfo, $this);
459 if ($row=$serviceObj->getUser()) {
460 $tempuserArr[] = $row;
461
462 if ($this->writeDevLog) t3lib_div::devLog('User found: '.t3lib_div::arrayToLogString($row, array($this->userid_column,$this->username_column)), 't3lib_userAuth', 0);
463
464 // user found, just stop to search for more if not configured to go on
465 if(!$this->svConfig['setup'][$this->loginType.'_fetchAllUsers']) {
466 break;
467 }
468 }
469 unset($serviceObj);
470 }
471 unset($serviceObj);
472
473 if ($this->writeDevLog && $this->svConfig['setup'][$this->loginType.'_alwaysFetchUser']) t3lib_div::devLog($this->loginType.'_alwaysFetchUser option is enabled', 't3lib_userAuth');
474 if ($this->writeDevLog && $serviceChain) t3lib_div::devLog($subType.' auth services called: '.$serviceChain, 't3lib_userAuth');
475 if ($this->writeDevLog && !count($tempuserArr)) t3lib_div::devLog('No user found by services', 't3lib_userAuth');
476 if ($this->writeDevLog && count($tempuserArr)) t3lib_div::devLog(count($tempuserArr).' user records found by services', 't3lib_userAuth');
477 }
478
479
480 // If no new user was set we use the already found user session
481 if (!count($tempuserArr) && $haveSession) {
482 $tempuserArr[] = $authInfo['userSession'];
483 $tempuser = $authInfo['userSession'];
484 // User is authenticated because we found a user session
485 $authenticated = TRUE;
486
487 if ($this->writeDevLog) t3lib_div::devLog('User session used: '.t3lib_div::arrayToLogString($authInfo['userSession'], array($this->userid_column,$this->username_column)), 't3lib_userAuth');
488 }
489
490
491 // Re-auth user when 'auth'-service option is set
492 if ($this->svConfig['setup'][$this->loginType.'_alwaysAuthUser']) {
493 $authenticated = FALSE;
494 if ($this->writeDevLog) t3lib_div::devLog('alwaysAuthUser option is enabled', 't3lib_userAuth');
495 }
496
497
498 // Authenticate the user if needed
499 if (count($tempuserArr) && !$authenticated) {
500
501 foreach ($tempuserArr as $tempuser) {
502
503 // use 'auth' service to authenticate the user
504 // if one service returns FALSE then authentication failed
505 // a service might return 100 which means there's no reason to stop but the user can't be authenticated by that service
506
507 if ($this->writeDevLog) t3lib_div::devLog('Auth user: '.t3lib_div::arrayToLogString($tempuser), 't3lib_userAuth');
508
509 $serviceChain='';
510 $subType = 'authUser'.$this->loginType;
511 while (is_object($serviceObj = t3lib_div::makeInstanceService('auth', $subType, $serviceChain))) {
512 $serviceChain.=','.$serviceObj->getServiceKey();
513 $serviceObj->initAuth($subType, $loginData, $authInfo, $this);
514 if (($ret=$serviceObj->authUser($tempuser)) > 0) {
515
516 // if the service returns >=200 then no more checking is needed - useful for IP checking without password
517 if (intval($ret) >= 200) {
518 $authenticated = TRUE;
519 break;
520 } elseif (intval($ret) >= 100) {
521 // Just go on. User is still not authenticated but there's no reason to stop now.
522 } else {
523 $authenticated = TRUE;
524 }
525
526 } else {
527 $authenticated = FALSE;
528 break;
529 }
530 unset($serviceObj);
531 }
532 unset($serviceObj);
533
534 if ($this->writeDevLog && $serviceChain) t3lib_div::devLog($subType.' auth services called: '.$serviceChain, 't3lib_userAuth');
535
536 if ($authenticated) {
537 // leave foreach() because a user is authenticated
538 break;
539 }
540 }
541 }
542
543 // If user is authenticated a valid user is in $tempuser
544 if ($authenticated) {
545 // reset failure flag
546 $this->loginFailure = FALSE;
547
548 // Insert session record if needed:
549 if (!($haveSession && (
550 $tempuser['ses_id']==$this->id || // check if the tempuser has the current session id
551 $tempuser['uid']==$authInfo['userSession']['ses_userid'] // check if the tempuser has the uid of the fetched session user
552 ))) {
553 $this->createUserSession($tempuser);
554
555 // The login session is started.
556 $this->loginSessionStarted = TRUE;
557 }
558
559 // User logged in - write that to the log!
560 if ($this->writeStdLog && $activeLogin) {
561 $this->writelog(255,1,0,1,
562 'User %s logged in from %s (%s)',
563 Array($tempuser[$this->username_column], t3lib_div::getIndpEnv('REMOTE_ADDR'), t3lib_div::getIndpEnv('REMOTE_HOST')),
564 '','','',-1,'',$tempuser['uid']
565 );
566 }
567
568 if ($this->writeDevLog && $activeLogin) t3lib_div::devLog('User '.$tempuser[$this->username_column].' logged in from '.t3lib_div::getIndpEnv('REMOTE_ADDR').' ('.t3lib_div::getIndpEnv('REMOTE_HOST').')', 't3lib_userAuth', -1);
569 if ($this->writeDevLog && !$activeLogin) t3lib_div::devLog('User '.$tempuser[$this->username_column].' authenticated from '.t3lib_div::getIndpEnv('REMOTE_ADDR').' ('.t3lib_div::getIndpEnv('REMOTE_HOST').')', 't3lib_userAuth', -1);
570
571 if($GLOBALS['TYPO3_CONF_VARS']['BE']['lockSSL'] == 3 && $this->user_table == 'be_users') {
572 $requestStr = substr(t3lib_div::getIndpEnv('TYPO3_REQUEST_SCRIPT'), strlen(t3lib_div::getIndpEnv('TYPO3_SITE_URL').TYPO3_mainDir));
573 $backendScript = t3lib_BEfunc::getBackendScript();
574 if($requestStr == $backendScript && t3lib_div::getIndpEnv('TYPO3_SSL')) {
575 list(,$url) = explode('://',t3lib_div::getIndpEnv('TYPO3_SITE_URL'),2);
576 list($server,$address) = explode('/',$url,2);
577 if (intval($TYPO3_CONF_VARS['BE']['lockSSLPort'])) {
578 $sslPortSuffix = ':'.intval($TYPO3_CONF_VARS['BE']['lockSSLPort']);
579 $server = str_replace($sslPortSuffix,'',$server); // strip port from server
580 }
581 header('Location: http://'.$server.'/'.$address.TYPO3_mainDir.$backendScript);
582 exit;
583 }
584 }
585
586 } elseif ($activeLogin || count($tempuserArr)) {
587 $this->loginFailure = TRUE;
588
589 if ($this->writeDevLog && !count($tempuserArr) && $activeLogin) t3lib_div::devLog('Login failed: '.t3lib_div::arrayToLogString($loginData), 't3lib_userAuth', 2);
590 if ($this->writeDevLog && count($tempuserArr)) t3lib_div::devLog('Login failed: '.t3lib_div::arrayToLogString($tempuser, array($this->userid_column,$this->username_column)), 't3lib_userAuth', 2);
591 }
592
593
594 // If there were a login failure, check to see if a warning email should be sent:
595 if ($this->loginFailure && $activeLogin) {
596 if ($this->writeDevLog) t3lib_div::devLog('Call checkLogFailures: '.t3lib_div::arrayToLogString(array('warningEmail'=>$this->warningEmail,'warningPeriod'=>$this->warningPeriod,'warningMax'=>$this->warningMax,)), 't3lib_userAuth', -1);
597
598 $this->checkLogFailures($this->warningEmail, $this->warningPeriod, $this->warningMax);
599 }
600 }
601
602
603
604
605
606
607
608
609
610
611
612
613 /*************************
614 *
615 * User Sessions
616 *
617 *************************/
618
619
620 /**
621 * Creates a user session record.
622 *
623 * @param array user data array
624 * @return void
625 */
626 function createUserSession ($tempuser) {
627
628 if ($this->writeDevLog) t3lib_div::devLog('Create session ses_id = '.$this->id, 't3lib_userAuth');
629
630 // delete session entry first
631 $GLOBALS['TYPO3_DB']->exec_DELETEquery(
632 $this->session_table,
633 'ses_id = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table).'
634 AND ses_name = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table)
635 );
636
637 // re-create session entry
638 $insertFields = $this->getNewSessionRecord($tempuser);
639 $GLOBALS['TYPO3_DB']->exec_INSERTquery($this->session_table, $insertFields);
640
641 // Updating lastLogin_column carrying information about last login.
642 if ($this->lastLogin_column) {
643 $GLOBALS['TYPO3_DB']->exec_UPDATEquery(
644 $this->user_table,
645 $this->userid_column.'='.$GLOBALS['TYPO3_DB']->fullQuoteStr($tempuser[$this->userid_column], $this->user_table),
646 array($this->lastLogin_column => $GLOBALS['EXEC_TIME'])
647 );
648 }
649 }
650
651 /**
652 * Returns a new session record for the current user for insertion into the DB.
653 * This function is mainly there as a wrapper for inheriting classes to override it.
654 *
655 * @return array user session record
656 */
657 function getNewSessionRecord($tempuser) {
658 return array(
659 'ses_id' => $this->id,
660 'ses_name' => $this->name,
661 'ses_iplock' => $tempuser['disableIPlock'] ? '[DISABLED]' : $this->ipLockClause_remoteIPNumber($this->lockIP),
662 'ses_hashlock' => $this->hashLockClause_getHashInt(),
663 'ses_userid' => $tempuser[$this->userid_column],
664 'ses_tstamp' => $GLOBALS['EXEC_TIME']
665 );
666 }
667
668 /**
669 * Read the user session from db.
670 *
671 * @return array user session data
672 */
673 function fetchUserSession($skipSessionUpdate = false) {
674
675 $user = '';
676
677 if ($this->writeDevLog) t3lib_div::devLog('Fetch session ses_id = '.$this->id, 't3lib_userAuth');
678
679 // 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
680 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
681 '*',
682 $this->session_table.','.$this->user_table,
683 $this->session_table.'.ses_id = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table).'
684 AND '.$this->session_table.'.ses_name = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table).'
685 AND '.$this->session_table.'.ses_userid = '.$this->user_table.'.'.$this->userid_column.'
686 '.$this->ipLockClause().'
687 '.$this->hashLockClause().'
688 '.$this->user_where_clause()
689 );
690
691
692 if ($user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres)) {
693 // A user was found
694 if (is_string($this->auth_timeout_field)) {
695 $timeout = intval($user[$this->auth_timeout_field]); // Get timeout-time from usertable
696 } else {
697 $timeout = intval($this->auth_timeout_field); // Get timeout from object
698 }
699 // If timeout > 0 (true) and currenttime has not exceeded the latest sessions-time plus the timeout in seconds then accept user
700 // 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...
701 if ($timeout>0 && ($GLOBALS['EXEC_TIME'] < ($user['ses_tstamp']+$timeout))) {
702 if(!$skipSessionUpdate) {
703 $GLOBALS['TYPO3_DB']->exec_UPDATEquery(
704 $this->session_table,
705 'ses_id='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table).'
706 AND ses_name='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table),
707 array('ses_tstamp' => $GLOBALS['EXEC_TIME'])
708 );
709 $user['ses_tstamp'] = $GLOBALS['EXEC_TIME']; // Make sure that the timestamp is also updated in the array
710 }
711
712 } else {
713 $this->logoff(); // delete any user set...
714 }
715 } else {
716 $this->logoff(); // delete any user set...
717 }
718 return $user;
719 }
720
721 /**
722 * Log out current user!
723 * Removes the current session record, sets the internal ->user array to a blank string; Thereby the current user (if any) is effectively logged out!
724 *
725 * @return void
726 */
727 function logoff() {
728 if ($this->writeDevLog) t3lib_div::devLog('logoff: ses_id = '.$this->id, 't3lib_userAuth');
729
730 // Hook for pre-processing the logoff() method, requested and implemented by andreas.otto@dkd.de:
731 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['logoff_pre_processing'])) {
732 $_params = array();
733 foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['logoff_pre_processing'] as $_funcRef) {
734 if ($_funcRef) {
735 t3lib_div::callUserFunction($_funcRef,$_params,$this);
736 }
737 }
738 }
739
740 $GLOBALS['TYPO3_DB']->exec_DELETEquery(
741 $this->session_table,
742 'ses_id = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table).'
743 AND ses_name = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table)
744 );
745
746 $this->user = '';
747
748 // Hook for post-processing the logoff() method, requested and implemented by andreas.otto@dkd.de:
749 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['logoff_post_processing'])) {
750 $_params = array();
751 foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['logoff_post_processing'] as $_funcRef) {
752 if ($_funcRef) {
753 t3lib_div::callUserFunction($_funcRef,$_params,$this);
754 }
755 }
756 }
757 }
758
759 /**
760 * Determine whether there's an according session record to a given session_id
761 * in the database. Don't care if session record is still valid or not.
762 *
763 * @return boolean
764 */
765 function isExistingSessionRecord($id) {
766 $count = $GLOBALS['TYPO3_DB']->exec_SELECTcountRows(
767 'ses_id',
768 $this->session_table,
769 'ses_id=' . $GLOBALS['TYPO3_DB']->fullQuoteStr($id, $this->session_table)
770 );
771 return (($count ? true : false));
772 }
773
774
775
776
777
778
779
780
781
782
783
784
785
786 /*************************
787 *
788 * SQL Functions
789 *
790 *************************/
791
792 /**
793 * This returns the where-clause needed to select the user with respect flags like deleted, hidden, starttime, endtime
794 *
795 * @return string
796 * @access private
797 */
798 function user_where_clause() {
799 return (($this->enablecolumns['rootLevel']) ? 'AND '.$this->user_table.'.pid=0 ' : '').
800 (($this->enablecolumns['disabled']) ? ' AND '.$this->user_table.'.'.$this->enablecolumns['disabled'].'=0' : '').
801 (($this->enablecolumns['deleted']) ? ' AND '.$this->user_table.'.'.$this->enablecolumns['deleted'].'=0' : '').
802 (($this->enablecolumns['starttime']) ? ' AND ('.$this->user_table.'.'.$this->enablecolumns['starttime'].'<='.time().')' : '').
803 (($this->enablecolumns['endtime']) ? ' AND ('.$this->user_table.'.'.$this->enablecolumns['endtime'].'=0 OR '.$this->user_table.'.'.$this->enablecolumns['endtime'].'>'.time().')' : '');
804 }
805
806 /**
807 * This returns the where-clause needed to lock a user to the IP address
808 *
809 * @return string
810 * @access private
811 */
812 function ipLockClause() {
813 if ($this->lockIP) {
814 $wherePart = 'AND (
815 '.$this->session_table.'.ses_iplock='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->ipLockClause_remoteIPNumber($this->lockIP),$this->session_table).'
816 OR '.$this->session_table.'.ses_iplock=\'[DISABLED]\'
817 )';
818 return $wherePart;
819 }
820 }
821
822 /**
823 * Returns the IP address to lock to.
824 * The IP address may be partial based on $parts.
825 *
826 * @param integer 1-4: Indicates how many parts of the IP address to return. 4 means all, 1 means only first number.
827 * @return string (Partial) IP address for REMOTE_ADDR
828 * @access private
829 */
830 function ipLockClause_remoteIPNumber($parts) {
831 $IP = t3lib_div::getIndpEnv('REMOTE_ADDR');
832
833 if ($parts>=4) {
834 return $IP;
835 } else {
836 $parts = t3lib_div::intInRange($parts,1,3);
837 $IPparts = explode('.',$IP);
838 for($a=4;$a>$parts;$a--) {
839 unset($IPparts[$a-1]);
840 }
841 return implode('.',$IPparts);
842 }
843 }
844
845 /**
846 * This returns the where-clause needed to lock a user to a hash integer
847 *
848 * @return string
849 * @access private
850 */
851 function hashLockClause() {
852 $wherePart = 'AND '.$this->session_table.'.ses_hashlock='.intval($this->hashLockClause_getHashInt());
853 return $wherePart;
854 }
855
856 /**
857 * Creates hash integer to lock user to. Depends on configured keywords
858 *
859 * @return integer Hash integer
860 * @access private
861 */
862 function hashLockClause_getHashInt() {
863 $hashStr = '';
864
865 if (t3lib_div::inList($this->lockHashKeyWords,'useragent')) $hashStr.=':'.t3lib_div::getIndpEnv('HTTP_USER_AGENT');
866
867 return t3lib_div::md5int($hashStr);
868 }
869
870
871
872
873
874
875
876
877
878
879
880 /*************************
881 *
882 * Session and Configuration Handling
883 *
884 *************************/
885
886 /**
887 * This writes $variable to the user-record. This is a way of providing session-data.
888 * You can fetch the data again through $this->uc in this class!
889 * If $variable is not an array, $this->uc is saved!
890 *
891 * @param array An array you want to store for the user as session data. If $variable is not supplied (is blank string), the internal variable, ->uc, is stored by default
892 * @return void
893 */
894 function writeUC($variable='') {
895 if (is_array($this->user) && $this->user[$this->userid_column]) {
896 if (!is_array($variable)) { $variable = $this->uc; }
897
898 if ($this->writeDevLog) t3lib_div::devLog('writeUC: '.$this->userid_column.'='.intval($this->user[$this->userid_column]), 't3lib_userAuth');
899 $GLOBALS['TYPO3_DB']->exec_UPDATEquery($this->user_table, $this->userid_column.'='.intval($this->user[$this->userid_column]), array('uc' => serialize($variable)));
900 }
901 }
902
903 /**
904 * Sets $theUC as the internal variable ->uc IF $theUC is an array. If $theUC is false, the 'uc' content from the ->user array will be unserialized and restored in ->uc
905 *
906 * @param mixed If an array, then set as ->uc, otherwise load from user record
907 * @return void
908 */
909 function unpack_uc($theUC='') {
910 if (!$theUC) $theUC=unserialize($this->user['uc']);
911 if (is_array($theUC)) {
912 $this->uc=$theUC;
913 }
914 }
915
916 /**
917 * Stores data for a module.
918 * 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.
919 *
920 * @param string $module is the name of the module ($MCONF['name'])
921 * @param mixed $data is the data you want to store for that module (array, string, ...)
922 * @param boolean If $noSave is set, then the ->uc array (which carries all kinds of user data) is NOT written immediately, but must be written by some subsequent call.
923 * @return void
924 */
925 function pushModuleData($module,$data,$noSave=0) {
926 $this->uc['moduleData'][$module] = $data;
927 $this->uc['moduleSessionID'][$module] = $this->id;
928 if (!$noSave) $this->writeUC();
929 }
930
931 /**
932 * Gets module data for a module (from a loaded ->uc array)
933 *
934 * @param string $module is the name of the module ($MCONF['name'])
935 * @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).
936 * @return mixed The module data if available: $this->uc['moduleData'][$module];
937 */
938 function getModuleData($module,$type='') {
939 if ($type!='ses' || $this->uc['moduleSessionID'][$module]==$this->id) {
940 return $this->uc['moduleData'][$module];
941 }
942 }
943
944 /**
945 * Returns the session data stored for $key.
946 * The data will last only for this login session since it is stored in the session table.
947 *
948 * @param string Pointer to an associative key in the session data array which is stored serialized in the field "ses_data" of the session table.
949 * @return mixed
950 */
951 function getSessionData($key) {
952 $sesDat = unserialize($this->user['ses_data']);
953 return $sesDat[$key];
954 }
955
956 /**
957 * Sets the session data ($data) for $key and writes all session data (from ->user['ses_data']) to the database.
958 * The data will last only for this login session since it is stored in the session table.
959 *
960 * @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.
961 * @param mixed The variable to store in index $key
962 * @return void
963 */
964 function setAndSaveSessionData($key,$data) {
965 $sesDat = unserialize($this->user['ses_data']);
966 $sesDat[$key] = $data;
967 $this->user['ses_data'] = serialize($sesDat);
968
969 if ($this->writeDevLog) t3lib_div::devLog('setAndSaveSessionData: ses_id = '.$this->user['ses_id'], 't3lib_userAuth');
970 $GLOBALS['TYPO3_DB']->exec_UPDATEquery($this->session_table, 'ses_id='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->user['ses_id'], $this->session_table), array('ses_data' => $this->user['ses_data']));
971 }
972
973
974
975
976
977
978
979
980
981
982
983
984
985 /*************************
986 *
987 * Misc
988 *
989 *************************/
990
991 /**
992 * Returns an info array with Login/Logout data submitted by a form or params
993 *
994 * @return array
995 * @internal
996 */
997 function getLoginFormData() {
998 $loginData=array();
999 if ($this->getMethodEnabled) {
1000 $loginData['status'] = t3lib_div::_GP($this->formfield_status);
1001 $loginData['uname'] = t3lib_div::_GP($this->formfield_uname);
1002 $loginData['uident'] = t3lib_div::_GP($this->formfield_uident);
1003 $loginData['chalvalue'] = t3lib_div::_GP($this->formfield_chalvalue);
1004 } else {
1005 $loginData['status'] = t3lib_div::_POST($this->formfield_status);
1006 $loginData['uname'] = t3lib_div::_POST($this->formfield_uname);
1007 $loginData['uident'] = t3lib_div::_POST($this->formfield_uident);
1008 $loginData['chalvalue'] = t3lib_div::_POST($this->formfield_chalvalue);
1009 }
1010 $loginData = $this->processLoginData($loginData);
1011
1012 return $loginData;
1013 }
1014
1015 /**
1016 * Processes Login data submitted by a form or params depending on the
1017 * security_level
1018 *
1019 * @param array login data array
1020 * @param string Alternative security_level. Used when authentication services wants to override the default.
1021 * @return array processed login data array
1022 * @internal
1023 */
1024 function processLoginData($loginData, $security_level='') {
1025 global $TYPO3_CONF_VARS;
1026
1027 $loginSecurityLevel = $security_level ? $security_level : ($TYPO3_CONF_VARS[$this->loginType]['loginSecurityLevel'] ? $TYPO3_CONF_VARS[$this->loginType]['loginSecurityLevel'] : $this->security_level);
1028
1029 // Processing data according to the state it was submitted in.
1030 // ($loginSecurityLevel should reflect the security level used on the data being submitted in the login form)
1031 if ($loginSecurityLevel=='normal') {
1032 $loginData['uident_text'] = $loginData['uident'];
1033 $loginData['uident_challenged'] = (string)md5($loginData['uname'].':'.$loginData['uident'].':'.$loginData['chalvalue']);
1034 $loginData['uident_superchallenged'] = (string)md5($loginData['uname'].':'.(md5($loginData['uident'])).':'.$loginData['chalvalue']);
1035 } elseif ($loginSecurityLevel=='challenged') {
1036 $loginData['uident_text'] = '';
1037 $loginData['uident_challenged'] = $loginData['uident'];
1038 $loginData['uident_superchallenged'] = '';
1039 } elseif ($loginSecurityLevel=='superchallenged') {
1040 $loginData['uident_text'] = '';
1041 $loginData['uident_challenged'] = '';
1042 $loginData['uident_superchallenged'] = $loginData['uident'];
1043 }
1044
1045 // The password "uident" is set based on the internal security setting of TYPO3
1046 // Example:
1047 // $this->security_level for the backend must be "superchallenged" because passwords are stored as md5-hashes in the be_users table
1048 // $this->security_level for the frontend must be "normal" or "challenged" because passwords are stored as clear-text in the fe_users tables
1049 if ($this->security_level=='normal') {
1050 $loginData['uident'] = $loginData['uident_text'];
1051 } elseif ($this->security_level=='challenged') {
1052 $loginData['uident'] = $loginData['uident_challenged'];
1053 } elseif ($this->security_level=='superchallenged') {
1054 $loginData['uident'] = $loginData['uident_superchallenged'];
1055 }
1056
1057 return $loginData;
1058 }
1059
1060 /**
1061 * Returns an info array which provides additional information for auth services
1062 *
1063 * @return array
1064 * @internal
1065 */
1066 function getAuthInfoArray() {
1067 $authInfo = array();
1068 $authInfo['loginType'] = $this->loginType;
1069 $authInfo['refInfo'] = parse_url(t3lib_div::getIndpEnv('HTTP_REFERER'));
1070 $authInfo['HTTP_HOST'] = t3lib_div::getIndpEnv('HTTP_HOST');
1071 $authInfo['REMOTE_ADDR'] = t3lib_div::getIndpEnv('REMOTE_ADDR');
1072 $authInfo['REMOTE_HOST'] = t3lib_div::getIndpEnv('REMOTE_HOST');
1073 $authInfo['security_level'] = $this->security_level;
1074 $authInfo['showHiddenRecords'] = $this->showHiddenRecords;
1075 // can be overidden in localconf by SVCONF:
1076 $authInfo['db_user']['table'] = $this->user_table;
1077 $authInfo['db_user']['userid_column'] = $this->userid_column;
1078 $authInfo['db_user']['username_column'] = $this->username_column;
1079 $authInfo['db_user']['userident_column'] = $this->userident_column;
1080 $authInfo['db_user']['usergroup_column'] = $this->usergroup_column;
1081 $authInfo['db_user']['enable_clause'] = $this->user_where_clause();
1082 $authInfo['db_user']['checkPidList'] = $this->checkPid ? $this->checkPid_value : '';
1083 $authInfo['db_user']['check_pid_clause'] = $this->checkPid ? ' AND pid IN ('.$GLOBALS['TYPO3_DB']->cleanIntList($authInfo['db_user']['checkPidList']).')' : '';
1084 $authInfo['db_groups']['table'] = $this->usergroup_table;
1085 return $authInfo;
1086 }
1087
1088 /**
1089 * Check the login data with the user record data for builtin login methods
1090 *
1091 * @param array user data array
1092 * @param array login data array
1093 * @param string Alternative security_level. Used when authentication services wants to override the default.
1094 * @return boolean true if login data matched
1095 */
1096 function compareUident($user, $loginData, $security_level='') {
1097
1098 $OK = FALSE;
1099 $security_level = $security_level ? $security_level : $this->security_level;
1100
1101 switch ($security_level) {
1102 case 'superchallenged': // If superchallenged the password in the database ($user[$this->userident_column]) must be a md5-hash of the original password.
1103 case 'challenged':
1104
1105 // Check challenge stored in cookie:
1106 if ($this->challengeStoredInCookie) {
1107 session_start();
1108 if ($_SESSION['login_challenge'] !== $loginData['chalvalue']) {
1109 if ($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);
1110 $this->logoff();
1111 return FALSE;
1112 }
1113 }
1114
1115 if ((string)$loginData['uident'] === (string)md5($user[$this->username_column].':'.$user[$this->userident_column].':'.$loginData['chalvalue'])) {
1116 $OK = TRUE;
1117 }
1118 break;
1119 default: // normal
1120 if ((string)$loginData['uident'] === (string)$user[$this->userident_column]) {
1121 $OK = TRUE;
1122 }
1123 break;
1124 }
1125
1126 return $OK;
1127 }
1128
1129 /**
1130 * Garbage collector, removing old expired sessions.
1131 *
1132 * @return void
1133 * @internal
1134 */
1135 function gc() {
1136 $GLOBALS['TYPO3_DB']->exec_DELETEquery(
1137 $this->session_table,
1138 'ses_tstamp < '.intval(time()-($this->gc_time)).'
1139 AND ses_name = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table)
1140 );
1141 }
1142
1143 /**
1144 * Redirect to somewhere (obsolete).
1145 *
1146 * @return void
1147 * @deprecated since TYPO3 3.6
1148 * @obsolete
1149 * @ignore
1150 */
1151 function redirect() {
1152 if (!$this->userid && $this->auth_url) { // if no userid AND an include-document for login is given
1153 include ($this->auth_include);
1154 exit;
1155 }
1156 }
1157
1158 /**
1159 * DUMMY: Writes to log database table (in some extension classes)
1160 *
1161 * @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
1162 * @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 !!)
1163 * @param integer $error: flag. 0 = message, 1 = error (user problem), 2 = System Error (which should not happen), 3 = security notice (admin)
1164 * @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
1165 * @param string $details: Default text that follows the message
1166 * @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...
1167 * @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.)
1168 * @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.)
1169 * @param integer $recpid: Special field used by tce_main.php. These ($tablename, $recuid, $recpid) holds the reference to the record which the log-entry is about. (Was used in attic status.php to update the interface.)
1170 * @return void
1171 * @see t3lib_userauthgroup::writelog()
1172 */
1173 function writelog($type,$action,$error,$details_nr,$details,$data,$tablename,$recuid,$recpid) {
1174 }
1175
1176 /**
1177 * DUMMY: Check login failures (in some extension classes)
1178 *
1179 * @return void
1180 * @ignore
1181 */
1182 function checkLogFailures() {
1183 }
1184
1185 /**
1186 * Raw initialization of the be_user with uid=$uid
1187 * This will circumvent all login procedures and select a be_users record from the database and set the content of ->user to the record selected. Thus the BE_USER object will appear like if a user was authenticated - however without a session id and the fields from the session table of course.
1188 * Will check the users for disabled, start/endtime, etc. ($this->user_where_clause())
1189 *
1190 * @param integer The UID of the backend user to set in ->user
1191 * @return void
1192 * @internal
1193 * @see SC_mod_tools_be_user_index::compareUsers(), SC_mod_user_setup_index::simulateUser(), freesite_admin::startCreate()
1194 */
1195 function setBeUserByUid($uid) {
1196 $this->user = $this->getRawUserByUid($uid);
1197 }
1198
1199 /**
1200 * Raw initialization of the be_user with username=$name
1201 *
1202 * @param string The username to look up.
1203 * @return void
1204 * @see t3lib_userAuth::setBeUserByUid()
1205 * @internal
1206 */
1207 function setBeUserByName($name) {
1208 $this->user = $this->getRawUserByName($name);
1209 }
1210
1211 /**
1212 * Fetching raw user record with uid=$uid
1213 *
1214 * @param integer The UID of the backend user to set in ->user
1215 * @return array user record or FALSE
1216 * @internal
1217 */
1218 function getRawUserByUid($uid) {
1219 $user = FALSE;
1220 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', $this->user_table, 'uid='.intval($uid).' '.$this->user_where_clause());
1221 if ($dbres) {
1222 $user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres);
1223 $GLOBALS['TYPO3_DB']->sql_free_result($dbres);
1224 }
1225 return $user;
1226 }
1227
1228 /**
1229 * Fetching raw user record with username=$name
1230 *
1231 * @param string The username to look up.
1232 * @return array user record or FALSE
1233 * @see t3lib_userAuth::getUserByUid()
1234 * @internal
1235 */
1236 function getRawUserByName($name) {
1237 $user = FALSE;
1238 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', $this->user_table, 'username='.$GLOBALS['TYPO3_DB']->fullQuoteStr($name, $this->user_table).' '.$this->user_where_clause());
1239 if ($dbres) {
1240 $user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres);
1241 $GLOBALS['TYPO3_DB']->sql_free_result($dbres);
1242 }
1243 return $user;
1244 }
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260 /*************************
1261 *
1262 * Create/update user - EXPERIMENTAL
1263 *
1264 *************************/
1265
1266 /**
1267 * Get a user from DB by username
1268 * provided for usage from services
1269 *
1270 * @param array User db table definition: $this->db_user
1271 * @param string user name
1272 * @param string additional WHERE clause: " AND ...
1273 * @return mixed user array or FALSE
1274 */
1275 function fetchUserRecord($dbUser, $username, $extraWhere='' ) {
1276 $user = FALSE;
1277
1278 $usernameClause = $username ? ($dbUser['username_column'].'='.$GLOBALS['TYPO3_DB']->fullQuoteStr($username, $dbUser['table'])) : '';
1279
1280 if ($username || $extraWhere) {
1281
1282 // Look up the user by the username and/or extraWhere:
1283 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
1284 '*',
1285 $dbUser['table'],
1286 $usernameClause.
1287 $dbUser['check_pid_clause'].
1288 $dbUser['enable_clause'].
1289 $extraWhere
1290 );
1291
1292 if ($dbres) {
1293 $user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres);
1294 $GLOBALS['TYPO3_DB']->sql_free_result($dbres);
1295 }
1296 }
1297 return $user;
1298 }
1299 }
1300
1301
1302
1303 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_userauth.php']) {
1304 include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_userauth.php']);
1305 }
1306
1307 ?>