0ce06160c79142360d2bb97252fd720e61d52ae3
[Packages/TYPO3.CMS.git] / t3lib / class.t3lib_userauth.php
1 <?php
2 /***************************************************************
3 * Copyright notice
4 *
5 * (c) 1999-2009 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 if (!$this->security_level) {
203 // Notice: cannot use TYPO3_MODE here because BE user can be logged in and operate inside FE!
204 $this->security_level = trim($TYPO3_CONF_VARS[$this->loginType]['loginSecurityLevel']);
205 if (!$this->security_level) {
206 $this->security_level = 'normal';
207 }
208 }
209
210 // enable dev logging if set
211 if ($TYPO3_CONF_VARS['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['writeDevLog']) $this->writeDevLog = TRUE;
212 if ($TYPO3_CONF_VARS['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['writeDevLog'.$this->loginType]) $this->writeDevLog = TRUE;
213 if (TYPO3_DLOG) $this->writeDevLog = TRUE;
214
215 if ($this->writeDevLog) t3lib_div::devLog('## Beginning of auth logging.', 't3lib_userAuth');
216
217 // Init vars.
218 $mode = '';
219 $this->newSessionID = FALSE;
220 // $id is set to ses_id if cookie is present. Else set to false, which will start a new session
221 $id = isset($_COOKIE[$this->name]) ? stripslashes($_COOKIE[$this->name]) : '';
222 $this->svConfig = $TYPO3_CONF_VARS['SVCONF']['auth'];
223
224 // if we have a flash client, take the ID from the GP
225 if (!$id && $GLOBALS['CLIENT']['BROWSER'] == 'flash') {
226 $id = t3lib_div::_GP($this->name);
227 }
228
229 // If fallback to get mode....
230 if (!$id && $this->getFallBack && $this->get_name) {
231 $id = isset($_GET[$this->get_name]) ? t3lib_div::_GET($this->get_name) : '';
232 if (strlen($id)!=$this->hash_length) $id='';
233 $mode='get';
234 }
235 $this->cookieId = $id;
236
237 // If new session or client tries to fix session...
238 if (!$id || !$this->isExistingSessionRecord($id)) {
239 // New random session-$id is made
240 $id = $this->createSessionId();
241 // New session
242 $this->newSessionID = TRUE;
243 }
244
245 // Internal var 'id' is set
246 $this->id = $id;
247
248 // If fallback to get mode....
249 if ($mode=='get' && $this->getFallBack && $this->get_name) {
250 $this->get_URL_ID = '&'.$this->get_name.'='.$id;
251 }
252 // Make certain that NO user is set initially
253 $this->user = '';
254
255 // 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...
256 $this->checkAuthentication();
257
258 // Make certain that NO user is set initially. ->check_authentication may have set a session-record which will provide us with a user record in the next section:
259 unset($this->user);
260
261 // determine whether we need to skip session update.
262 // This is used mainly for checking session timeout without
263 // refreshing the session itself while checking.
264 if (t3lib_div::_GP('skipSessionUpdate')) {
265 $skipSessionUpdate = true;
266 } else {
267 $skipSessionUpdate = false;
268 }
269
270 // re-read user session
271 $this->user = $this->fetchUserSession($skipSessionUpdate);
272
273 if ($this->writeDevLog && is_array($this->user)) t3lib_div::devLog('User session finally read: '.t3lib_div::arrayToLogString($this->user, array($this->userid_column,$this->username_column)), 't3lib_userAuth', -1);
274 if ($this->writeDevLog && !is_array($this->user)) t3lib_div::devLog('No user session found.', 't3lib_userAuth', 2);
275
276 // Setting cookies
277 if ($TYPO3_CONF_VARS['SYS']['cookieDomain']) {
278 if ($TYPO3_CONF_VARS['SYS']['cookieDomain']{0} == '/') {
279 $matchCnt = @preg_match($TYPO3_CONF_VARS['SYS']['cookieDomain'], t3lib_div::getIndpEnv('TYPO3_HOST_ONLY'), $match);
280 if ($matchCnt === FALSE) {
281 t3lib_div::sysLog('The regular expression of $TYPO3_CONF_VARS[SYS][cookieDomain] contains errors. The session is not shared across sub-domains.', 'Core', 3);
282 } elseif ($matchCnt) {
283 $cookieDomain = $match[0];
284 }
285 } else {
286 $cookieDomain = $TYPO3_CONF_VARS['SYS']['cookieDomain'];
287 }
288 }
289
290 // If new session and the cookie is a sessioncookie, we need to set it only once!
291 if ($this->isSetSessionCookie()) {
292 if (!$this->dontSetCookie) {
293 if ($cookieDomain) {
294 SetCookie($this->name, $id, 0, '/', $cookieDomain);
295 } else {
296 SetCookie($this->name, $id, 0, t3lib_div::getIndpEnv('TYPO3_SITE_PATH'));
297 }
298 if ($this->writeDevLog) t3lib_div::devLog('Set new Cookie: '.$id.($cookieDomain ? ', '.$cookieDomain : ''), 't3lib_userAuth');
299 }
300 }
301
302 // If it is NOT a session-cookie, we need to refresh it.
303 if ($this->isRefreshTimeBasedCookie()) {
304 if (!$this->dontSetCookie) {
305 if ($cookieDomain) {
306 SetCookie($this->name, $id, time()+$this->lifetime, '/', $cookieDomain);
307 } else {
308 SetCookie($this->name, $id, time()+$this->lifetime, t3lib_div::getIndpEnv('TYPO3_SITE_PATH'));
309 }
310 if ($this->writeDevLog) t3lib_div::devLog('Update Cookie: '.$id.($cookieDomain ? ', '.$cookieDomain : ''), 't3lib_userAuth');
311 }
312 }
313
314 // Hook for alternative ways of filling the $this->user array (is used by the "timtaw" extension)
315 if (is_array($TYPO3_CONF_VARS['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['postUserLookUp'])) {
316 foreach ($TYPO3_CONF_VARS['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['postUserLookUp'] as $funcName) {
317 $_params = array(
318 'pObj' => &$this,
319 );
320 t3lib_div::callUserFunction($funcName,$_params,$this);
321 }
322 }
323
324 // If any redirection (inclusion of file) then it will happen in this function
325 $this->redirect();
326
327 // Set all posible headers that could ensure that the script is not cached on the client-side
328 if ($this->sendNoCacheHeaders) {
329 header('Expires: 0');
330 header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
331 header('Cache-Control: no-cache, must-revalidate');
332 header('Pragma: no-cache');
333 }
334
335 // Set $this->gc_time if not explicitely specified
336 if ($this->gc_time==0) {
337 $this->gc_time = ($this->auth_timeout_field==0 ? 86400 : $this->auth_timeout_field); // Default to 1 day if $this->auth_timeout_field is 0
338 }
339
340 // If we're lucky we'll get to clean up old sessions....
341 if ((rand()%100) <= $this->gc_probability) {
342 $this->gc();
343 }
344
345 }
346
347 /**
348 * Determine whether a session cookie needs to be set (lifetime=0)
349 *
350 * @return boolean
351 * @internal
352 */
353 function isSetSessionCookie() {
354 return ($this->newSessionID || $this->forceSetCookie) && $this->lifetime==0;
355 }
356
357 /**
358 * Determine whether a non-session cookie needs to be set (lifetime>0)
359 *
360 * @return boolean
361 * @internal
362 */
363 function isRefreshTimeBasedCookie() {
364 return $this->lifetime > 0;
365 }
366
367 /**
368 * Checks if a submission of username and password is present or use other authentication by auth services
369 *
370 * @return void
371 * @internal
372 */
373 function checkAuthentication() {
374
375 // No user for now - will be searched by service below
376 $tempuserArr = array();
377 $tempuser = FALSE;
378
379 // User is not authenticated by default
380 $authenticated = FALSE;
381
382 // User want to login with passed login data (name/password)
383 $activeLogin = FALSE;
384
385 // Indicates if an active authentication failed (not auto login)
386 $this->loginFailure = FALSE;
387
388 if ($this->writeDevLog) t3lib_div::devLog('Login type: '.$this->loginType, 't3lib_userAuth');
389
390 // The info array provide additional information for auth services
391 $authInfo = $this->getAuthInfoArray();
392
393 // Get Login/Logout data submitted by a form or params
394 $loginData = $this->getLoginFormData();
395
396 if ($this->writeDevLog) t3lib_div::devLog('Login data: '.t3lib_div::arrayToLogString($loginData), 't3lib_userAuth');
397
398
399 // active logout (eg. with "logout" button)
400 if ($loginData['status']=='logout') {
401 if ($this->writeStdLog) $this->writelog(255,2,0,2,'User %s logged out',Array($this->user['username'])); // Logout written to log
402 if ($this->writeDevLog) t3lib_div::devLog('User logged out. Id: '.$this->id, 't3lib_userAuth', -1);
403
404 $this->logoff();
405 }
406
407 // active login (eg. with login form)
408 if ($loginData['status']=='login') {
409 $activeLogin = TRUE;
410
411 if ($this->writeDevLog) t3lib_div::devLog('Active login (eg. with login form)', 't3lib_userAuth');
412
413 // check referer for submitted login values
414 if ($this->formfield_status && $loginData['uident'] && $loginData['uname']) {
415 $httpHost = t3lib_div::getIndpEnv('TYPO3_HOST_ONLY');
416 if (!$this->getMethodEnabled && ($httpHost!=$authInfo['refInfo']['host'] && !$GLOBALS['TYPO3_CONF_VARS']['SYS']['doNotCheckReferer'])) {
417 die('Error: This host address ("'.$httpHost.'") and the referer host ("'.$authInfo['refInfo']['host'].'") mismatches!<br />
418 It\'s possible that the environment variable HTTP_REFERER is not passed to the script because of a proxy.<br />
419 The site administrator can disable this check in the "All Configuration" section of the Install Tool (flag: TYPO3_CONF_VARS[SYS][doNotCheckReferer]).');
420 }
421
422 // delete old user session if any
423 $this->logoff();
424 }
425
426 // Refuse login for _CLI users (used by commandline scripts)
427 if ((strtoupper(substr($loginData['uname'],0,5))=='_CLI_') && (!defined('TYPO3_cliMode') || !TYPO3_cliMode)) { // although TYPO3_cliMode should never be set when using active login...
428 die('Error: You have tried to login using a CLI user. Access prohibited!');
429 }
430 }
431
432
433 // the following code makes auto-login possible (if configured). No submitted data needed
434
435 // determine whether we need to skip session update.
436 // This is used mainly for checking session timeout without
437 // refreshing the session itself while checking.
438 if (t3lib_div::_GP('skipSessionUpdate')) {
439 $skipSessionUpdate = true;
440 } else {
441 $skipSessionUpdate = false;
442 }
443
444 // re-read user session
445 $authInfo['userSession'] = $this->fetchUserSession($skipSessionUpdate);
446 $haveSession = is_array($authInfo['userSession']) ? TRUE : FALSE;
447
448 if ($this->writeDevLog) {
449 if ($haveSession) {
450 t3lib_div::devLog('User session found: '.t3lib_div::arrayToLogString($authInfo['userSession'], array($this->userid_column,$this->username_column)), 't3lib_userAuth', 0);
451 }
452 if (is_array($this->svConfig['setup'])) {
453 t3lib_div::devLog('SV setup: '.t3lib_div::arrayToLogString($this->svConfig['setup']), 't3lib_userAuth', 0);
454 }
455 }
456
457 // fetch user if ...
458 if ($activeLogin
459 || (!$haveSession && $this->svConfig['setup'][$this->loginType.'_fetchUserIfNoSession'])
460 || $this->svConfig['setup'][$this->loginType.'_alwaysFetchUser']) {
461
462 // use 'auth' service to find the user
463 // first found user will be used
464 $serviceChain = '';
465 $subType = 'getUser'.$this->loginType;
466 while (is_object($serviceObj = t3lib_div::makeInstanceService('auth', $subType, $serviceChain))) {
467 $serviceChain.=','.$serviceObj->getServiceKey();
468 $serviceObj->initAuth($subType, $loginData, $authInfo, $this);
469 if ($row=$serviceObj->getUser()) {
470 $tempuserArr[] = $row;
471
472 if ($this->writeDevLog) t3lib_div::devLog('User found: '.t3lib_div::arrayToLogString($row, array($this->userid_column,$this->username_column)), 't3lib_userAuth', 0);
473
474 // user found, just stop to search for more if not configured to go on
475 if(!$this->svConfig['setup'][$this->loginType.'_fetchAllUsers']) {
476 break;
477 }
478 }
479 unset($serviceObj);
480 }
481 unset($serviceObj);
482
483 if ($this->writeDevLog && $this->svConfig['setup'][$this->loginType.'_alwaysFetchUser']) t3lib_div::devLog($this->loginType.'_alwaysFetchUser option is enabled', 't3lib_userAuth');
484 if ($this->writeDevLog && $serviceChain) t3lib_div::devLog($subType.' auth services called: '.$serviceChain, 't3lib_userAuth');
485 if ($this->writeDevLog && !count($tempuserArr)) t3lib_div::devLog('No user found by services', 't3lib_userAuth');
486 if ($this->writeDevLog && count($tempuserArr)) t3lib_div::devLog(count($tempuserArr).' user records found by services', 't3lib_userAuth');
487 }
488
489
490 // If no new user was set we use the already found user session
491 if (!count($tempuserArr) && $haveSession) {
492 $tempuserArr[] = $authInfo['userSession'];
493 $tempuser = $authInfo['userSession'];
494 // User is authenticated because we found a user session
495 $authenticated = TRUE;
496
497 if ($this->writeDevLog) t3lib_div::devLog('User session used: '.t3lib_div::arrayToLogString($authInfo['userSession'], array($this->userid_column,$this->username_column)), 't3lib_userAuth');
498 }
499
500
501 // Re-auth user when 'auth'-service option is set
502 if ($this->svConfig['setup'][$this->loginType.'_alwaysAuthUser']) {
503 $authenticated = FALSE;
504 if ($this->writeDevLog) t3lib_div::devLog('alwaysAuthUser option is enabled', 't3lib_userAuth');
505 }
506
507
508 // Authenticate the user if needed
509 if (count($tempuserArr) && !$authenticated) {
510
511 foreach ($tempuserArr as $tempuser) {
512
513 // use 'auth' service to authenticate the user
514 // if one service returns FALSE then authentication failed
515 // a service might return 100 which means there's no reason to stop but the user can't be authenticated by that service
516
517 if ($this->writeDevLog) t3lib_div::devLog('Auth user: '.t3lib_div::arrayToLogString($tempuser), 't3lib_userAuth');
518
519 $serviceChain='';
520 $subType = 'authUser'.$this->loginType;
521 while (is_object($serviceObj = t3lib_div::makeInstanceService('auth', $subType, $serviceChain))) {
522 $serviceChain.=','.$serviceObj->getServiceKey();
523 $serviceObj->initAuth($subType, $loginData, $authInfo, $this);
524 if (($ret=$serviceObj->authUser($tempuser)) > 0) {
525
526 // if the service returns >=200 then no more checking is needed - useful for IP checking without password
527 if (intval($ret) >= 200) {
528 $authenticated = TRUE;
529 break;
530 } elseif (intval($ret) >= 100) {
531 // Just go on. User is still not authenticated but there's no reason to stop now.
532 } else {
533 $authenticated = TRUE;
534 }
535
536 } else {
537 $authenticated = FALSE;
538 break;
539 }
540 unset($serviceObj);
541 }
542 unset($serviceObj);
543
544 if ($this->writeDevLog && $serviceChain) t3lib_div::devLog($subType.' auth services called: '.$serviceChain, 't3lib_userAuth');
545
546 if ($authenticated) {
547 // leave foreach() because a user is authenticated
548 break;
549 }
550 }
551 }
552
553 // If user is authenticated a valid user is in $tempuser
554 if ($authenticated) {
555 // reset failure flag
556 $this->loginFailure = FALSE;
557
558 // Insert session record if needed:
559 if (!($haveSession && (
560 $tempuser['ses_id']==$this->id || // check if the tempuser has the current session id
561 $tempuser['uid']==$authInfo['userSession']['ses_userid'] // check if the tempuser has the uid of the fetched session user
562 ))) {
563 $this->createUserSession($tempuser);
564
565 // The login session is started.
566 $this->loginSessionStarted = TRUE;
567 }
568
569 // User logged in - write that to the log!
570 if ($this->writeStdLog && $activeLogin) {
571 $this->writelog(255,1,0,1,
572 'User %s logged in from %s (%s)',
573 Array($tempuser[$this->username_column], t3lib_div::getIndpEnv('REMOTE_ADDR'), t3lib_div::getIndpEnv('REMOTE_HOST')),
574 '','','',-1,'',$tempuser['uid']
575 );
576 }
577
578 if ($this->writeDevLog && $activeLogin) t3lib_div::devLog('User '.$tempuser[$this->username_column].' logged in from '.t3lib_div::getIndpEnv('REMOTE_ADDR').' ('.t3lib_div::getIndpEnv('REMOTE_HOST').')', 't3lib_userAuth', -1);
579 if ($this->writeDevLog && !$activeLogin) t3lib_div::devLog('User '.$tempuser[$this->username_column].' authenticated from '.t3lib_div::getIndpEnv('REMOTE_ADDR').' ('.t3lib_div::getIndpEnv('REMOTE_HOST').')', 't3lib_userAuth', -1);
580
581 if($GLOBALS['TYPO3_CONF_VARS']['BE']['lockSSL'] == 3 && $this->user_table == 'be_users') {
582 $requestStr = substr(t3lib_div::getIndpEnv('TYPO3_REQUEST_SCRIPT'), strlen(t3lib_div::getIndpEnv('TYPO3_SITE_URL').TYPO3_mainDir));
583 $backendScript = t3lib_BEfunc::getBackendScript();
584 if($requestStr == $backendScript && t3lib_div::getIndpEnv('TYPO3_SSL')) {
585 list(,$url) = explode('://',t3lib_div::getIndpEnv('TYPO3_SITE_URL'),2);
586 list($server,$address) = explode('/',$url,2);
587 if (intval($TYPO3_CONF_VARS['BE']['lockSSLPort'])) {
588 $sslPortSuffix = ':'.intval($TYPO3_CONF_VARS['BE']['lockSSLPort']);
589 $server = str_replace($sslPortSuffix,'',$server); // strip port from server
590 }
591 header('Location: http://'.$server.'/'.$address.TYPO3_mainDir.$backendScript);
592 exit;
593 }
594 }
595
596 } elseif ($activeLogin || count($tempuserArr)) {
597 $this->loginFailure = TRUE;
598
599 if ($this->writeDevLog && !count($tempuserArr) && $activeLogin) t3lib_div::devLog('Login failed: '.t3lib_div::arrayToLogString($loginData), 't3lib_userAuth', 2);
600 if ($this->writeDevLog && count($tempuserArr)) t3lib_div::devLog('Login failed: '.t3lib_div::arrayToLogString($tempuser, array($this->userid_column,$this->username_column)), 't3lib_userAuth', 2);
601 }
602
603
604 // If there were a login failure, check to see if a warning email should be sent:
605 if ($this->loginFailure && $activeLogin) {
606 if ($this->writeDevLog) t3lib_div::devLog('Call checkLogFailures: '.t3lib_div::arrayToLogString(array('warningEmail'=>$this->warningEmail,'warningPeriod'=>$this->warningPeriod,'warningMax'=>$this->warningMax,)), 't3lib_userAuth', -1);
607
608 $this->checkLogFailures($this->warningEmail, $this->warningPeriod, $this->warningMax);
609 }
610 }
611
612 /**
613 * Creates a new session ID.
614 *
615 * @return string The new session ID
616 */
617 public function createSessionId() {
618 return substr(md5(uniqid('') . getmypid()), 0, $this->hash_length);
619 }
620
621
622
623
624
625
626
627
628
629
630
631 /*************************
632 *
633 * User Sessions
634 *
635 *************************/
636
637
638 /**
639 * Creates a user session record.
640 *
641 * @param array user data array
642 * @return void
643 */
644 function createUserSession ($tempuser) {
645
646 if ($this->writeDevLog) t3lib_div::devLog('Create session ses_id = '.$this->id, 't3lib_userAuth');
647
648 // delete session entry first
649 $GLOBALS['TYPO3_DB']->exec_DELETEquery(
650 $this->session_table,
651 'ses_id = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table).'
652 AND ses_name = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table)
653 );
654
655 // re-create session entry
656 $insertFields = $this->getNewSessionRecord($tempuser);
657 $GLOBALS['TYPO3_DB']->exec_INSERTquery($this->session_table, $insertFields);
658
659 // Updating lastLogin_column carrying information about last login.
660 if ($this->lastLogin_column) {
661 $GLOBALS['TYPO3_DB']->exec_UPDATEquery(
662 $this->user_table,
663 $this->userid_column.'='.$GLOBALS['TYPO3_DB']->fullQuoteStr($tempuser[$this->userid_column], $this->user_table),
664 array($this->lastLogin_column => $GLOBALS['EXEC_TIME'])
665 );
666 }
667 }
668
669 /**
670 * Returns a new session record for the current user for insertion into the DB.
671 * This function is mainly there as a wrapper for inheriting classes to override it.
672 *
673 * @return array user session record
674 */
675 function getNewSessionRecord($tempuser) {
676 return array(
677 'ses_id' => $this->id,
678 'ses_name' => $this->name,
679 'ses_iplock' => $tempuser['disableIPlock'] ? '[DISABLED]' : $this->ipLockClause_remoteIPNumber($this->lockIP),
680 'ses_hashlock' => $this->hashLockClause_getHashInt(),
681 'ses_userid' => $tempuser[$this->userid_column],
682 'ses_tstamp' => $GLOBALS['EXEC_TIME']
683 );
684 }
685
686 /**
687 * Read the user session from db.
688 *
689 * @return array user session data
690 */
691 function fetchUserSession($skipSessionUpdate = false) {
692
693 $user = '';
694
695 if ($this->writeDevLog) t3lib_div::devLog('Fetch session ses_id = '.$this->id, 't3lib_userAuth');
696
697 // fetch the user session from the DB
698 $dbres = $this->fetchUserSessionFromDB();
699
700 if ($dbres && $user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres)) {
701 // A user was found
702 if (is_string($this->auth_timeout_field)) {
703 $timeout = intval($user[$this->auth_timeout_field]); // Get timeout-time from usertable
704 } else {
705 $timeout = intval($this->auth_timeout_field); // Get timeout from object
706 }
707 // If timeout > 0 (true) and currenttime has not exceeded the latest sessions-time plus the timeout in seconds then accept user
708 // 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...
709 if ($timeout>0 && ($GLOBALS['EXEC_TIME'] < ($user['ses_tstamp']+$timeout))) {
710 if(!$skipSessionUpdate) {
711 $GLOBALS['TYPO3_DB']->exec_UPDATEquery(
712 $this->session_table,
713 'ses_id='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table).'
714 AND ses_name='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table),
715 array('ses_tstamp' => $GLOBALS['EXEC_TIME'])
716 );
717 $user['ses_tstamp'] = $GLOBALS['EXEC_TIME']; // Make sure that the timestamp is also updated in the array
718 }
719
720 } else {
721 $this->logoff(); // delete any user set...
722 }
723 } else {
724 $this->logoff(); // delete any user set...
725 }
726 return $user;
727 }
728
729 /**
730 * Log out current user!
731 * Removes the current session record, sets the internal ->user array to a blank string; Thereby the current user (if any) is effectively logged out!
732 *
733 * @return void
734 */
735 function logoff() {
736 if ($this->writeDevLog) t3lib_div::devLog('logoff: ses_id = '.$this->id, 't3lib_userAuth');
737
738 // Hook for pre-processing the logoff() method, requested and implemented by andreas.otto@dkd.de:
739 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['logoff_pre_processing'])) {
740 $_params = array();
741 foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['logoff_pre_processing'] as $_funcRef) {
742 if ($_funcRef) {
743 t3lib_div::callUserFunction($_funcRef,$_params,$this);
744 }
745 }
746 }
747
748 $GLOBALS['TYPO3_DB']->exec_DELETEquery(
749 $this->session_table,
750 'ses_id = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table).'
751 AND ses_name = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table)
752 );
753
754 $this->user = '';
755
756 // Hook for post-processing the logoff() method, requested and implemented by andreas.otto@dkd.de:
757 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['logoff_post_processing'])) {
758 $_params = array();
759 foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['logoff_post_processing'] as $_funcRef) {
760 if ($_funcRef) {
761 t3lib_div::callUserFunction($_funcRef,$_params,$this);
762 }
763 }
764 }
765 }
766
767 /**
768 * Determine whether there's an according session record to a given session_id
769 * in the database. Don't care if session record is still valid or not.
770 *
771 * @param integer Claimed Session ID
772 * @return boolean Returns true if a corresponding session was found in the database
773 */
774 function isExistingSessionRecord($id) {
775 $count = $GLOBALS['TYPO3_DB']->exec_SELECTcountRows(
776 'ses_id',
777 $this->session_table,
778 'ses_id=' . $GLOBALS['TYPO3_DB']->fullQuoteStr($id, $this->session_table)
779 );
780 return (($count ? true : false));
781 }
782
783
784
785
786
787
788
789
790
791
792
793
794
795 /*************************
796 *
797 * SQL Functions
798 *
799 *************************/
800
801 /**
802 * The session_id is used to find user in the database.
803 * Two tables are joined: The session-table with user_id of the session and the usertable with its primary key
804 * @return DB result object or false on error
805 * @access private
806 */
807 protected function fetchUserSessionFromDB() {
808 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
809 '*',
810 $this->session_table.','.$this->user_table,
811 $this->session_table.'.ses_id = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table).'
812 AND '.$this->session_table.'.ses_name = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table).'
813 AND '.$this->session_table.'.ses_userid = '.$this->user_table.'.'.$this->userid_column.'
814 '.$this->ipLockClause().'
815 '.$this->hashLockClause().'
816 '.$this->user_where_clause()
817 );
818 return $dbres;
819 }
820
821
822 /**
823 * This returns the where-clause needed to select the user with respect flags like deleted, hidden, starttime, endtime
824 *
825 * @return string
826 * @access private
827 */
828 function user_where_clause() {
829 return (($this->enablecolumns['rootLevel']) ? 'AND '.$this->user_table.'.pid=0 ' : '').
830 (($this->enablecolumns['disabled']) ? ' AND '.$this->user_table.'.'.$this->enablecolumns['disabled'].'=0' : '').
831 (($this->enablecolumns['deleted']) ? ' AND '.$this->user_table.'.'.$this->enablecolumns['deleted'].'=0' : '').
832 (($this->enablecolumns['starttime']) ? ' AND ('.$this->user_table.'.'.$this->enablecolumns['starttime'].'<='.time().')' : '').
833 (($this->enablecolumns['endtime']) ? ' AND ('.$this->user_table.'.'.$this->enablecolumns['endtime'].'=0 OR '.$this->user_table.'.'.$this->enablecolumns['endtime'].'>'.time().')' : '');
834 }
835
836 /**
837 * This returns the where-clause needed to lock a user to the IP address
838 *
839 * @return string
840 * @access private
841 */
842 function ipLockClause() {
843 if ($this->lockIP) {
844 $wherePart = 'AND (
845 '.$this->session_table.'.ses_iplock='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->ipLockClause_remoteIPNumber($this->lockIP),$this->session_table).'
846 OR '.$this->session_table.'.ses_iplock=\'[DISABLED]\'
847 )';
848 return $wherePart;
849 }
850 }
851
852 /**
853 * Returns the IP address to lock to.
854 * The IP address may be partial based on $parts.
855 *
856 * @param integer 1-4: Indicates how many parts of the IP address to return. 4 means all, 1 means only first number.
857 * @return string (Partial) IP address for REMOTE_ADDR
858 * @access private
859 */
860 function ipLockClause_remoteIPNumber($parts) {
861 $IP = t3lib_div::getIndpEnv('REMOTE_ADDR');
862
863 if ($parts>=4) {
864 return $IP;
865 } else {
866 $parts = t3lib_div::intInRange($parts,1,3);
867 $IPparts = explode('.',$IP);
868 for($a=4;$a>$parts;$a--) {
869 unset($IPparts[$a-1]);
870 }
871 return implode('.',$IPparts);
872 }
873 }
874
875 /**
876 * This returns the where-clause needed to lock a user to a hash integer
877 *
878 * @return string
879 * @access private
880 */
881 function hashLockClause() {
882 $wherePart = 'AND '.$this->session_table.'.ses_hashlock='.intval($this->hashLockClause_getHashInt());
883 return $wherePart;
884 }
885
886 /**
887 * Creates hash integer to lock user to. Depends on configured keywords
888 *
889 * @return integer Hash integer
890 * @access private
891 */
892 function hashLockClause_getHashInt() {
893 $hashStr = '';
894
895 if (t3lib_div::inList($this->lockHashKeyWords,'useragent')) $hashStr.=':'.t3lib_div::getIndpEnv('HTTP_USER_AGENT');
896
897 return t3lib_div::md5int($hashStr);
898 }
899
900
901
902
903
904
905
906
907
908
909
910 /*************************
911 *
912 * Session and Configuration Handling
913 *
914 *************************/
915
916 /**
917 * This writes $variable to the user-record. This is a way of providing session-data.
918 * You can fetch the data again through $this->uc in this class!
919 * If $variable is not an array, $this->uc is saved!
920 *
921 * @param array An array you want to store for the user as session data. If $variable is not supplied (is blank string), the internal variable, ->uc, is stored by default
922 * @return void
923 */
924 function writeUC($variable='') {
925 if (is_array($this->user) && $this->user[$this->userid_column]) {
926 if (!is_array($variable)) { $variable = $this->uc; }
927
928 if ($this->writeDevLog) t3lib_div::devLog('writeUC: '.$this->userid_column.'='.intval($this->user[$this->userid_column]), 't3lib_userAuth');
929 $GLOBALS['TYPO3_DB']->exec_UPDATEquery($this->user_table, $this->userid_column.'='.intval($this->user[$this->userid_column]), array('uc' => serialize($variable)));
930 }
931 }
932
933 /**
934 * Sets $theUC as the internal variable ->uc IF $theUC is an array. If $theUC is false, the 'uc' content from the ->user array will be unserialized and restored in ->uc
935 *
936 * @param mixed If an array, then set as ->uc, otherwise load from user record
937 * @return void
938 */
939 function unpack_uc($theUC='') {
940 if (!$theUC) $theUC=unserialize($this->user['uc']);
941 if (is_array($theUC)) {
942 $this->uc=$theUC;
943 }
944 }
945
946 /**
947 * Stores data for a module.
948 * 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.
949 *
950 * @param string $module is the name of the module ($MCONF['name'])
951 * @param mixed $data is the data you want to store for that module (array, string, ...)
952 * @param boolean If $noSave is set, then the ->uc array (which carries all kinds of user data) is NOT written immediately, but must be written by some subsequent call.
953 * @return void
954 */
955 function pushModuleData($module,$data,$noSave=0) {
956 $this->uc['moduleData'][$module] = $data;
957 $this->uc['moduleSessionID'][$module] = $this->id;
958 if (!$noSave) $this->writeUC();
959 }
960
961 /**
962 * Gets module data for a module (from a loaded ->uc array)
963 *
964 * @param string $module is the name of the module ($MCONF['name'])
965 * @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).
966 * @return mixed The module data if available: $this->uc['moduleData'][$module];
967 */
968 function getModuleData($module,$type='') {
969 if ($type!='ses' || $this->uc['moduleSessionID'][$module]==$this->id) {
970 return $this->uc['moduleData'][$module];
971 }
972 }
973
974 /**
975 * Returns the session data stored for $key.
976 * The data will last only for this login session since it is stored in the session table.
977 *
978 * @param string Pointer to an associative key in the session data array which is stored serialized in the field "ses_data" of the session table.
979 * @return mixed
980 */
981 function getSessionData($key) {
982 $sesDat = unserialize($this->user['ses_data']);
983 return $sesDat[$key];
984 }
985
986 /**
987 * Sets the session data ($data) for $key and writes all session data (from ->user['ses_data']) to the database.
988 * The data will last only for this login session since it is stored in the session table.
989 *
990 * @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.
991 * @param mixed The variable to store in index $key
992 * @return void
993 */
994 function setAndSaveSessionData($key,$data) {
995 $sesDat = unserialize($this->user['ses_data']);
996 $sesDat[$key] = $data;
997 $this->user['ses_data'] = serialize($sesDat);
998
999 if ($this->writeDevLog) t3lib_div::devLog('setAndSaveSessionData: ses_id = '.$this->user['ses_id'], 't3lib_userAuth');
1000 $GLOBALS['TYPO3_DB']->exec_UPDATEquery($this->session_table, 'ses_id='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->user['ses_id'], $this->session_table), array('ses_data' => $this->user['ses_data']));
1001 }
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015 /*************************
1016 *
1017 * Misc
1018 *
1019 *************************/
1020
1021 /**
1022 * Returns an info array with Login/Logout data submitted by a form or params
1023 *
1024 * @return array
1025 * @internal
1026 */
1027 function getLoginFormData() {
1028 $loginData=array();
1029 if ($this->getMethodEnabled) {
1030 $loginData['status'] = t3lib_div::_GP($this->formfield_status);
1031 $loginData['uname'] = t3lib_div::_GP($this->formfield_uname);
1032 $loginData['uident'] = t3lib_div::_GP($this->formfield_uident);
1033 $loginData['chalvalue'] = t3lib_div::_GP($this->formfield_chalvalue);
1034 } else {
1035 $loginData['status'] = t3lib_div::_POST($this->formfield_status);
1036 $loginData['uname'] = t3lib_div::_POST($this->formfield_uname);
1037 $loginData['uident'] = t3lib_div::_POST($this->formfield_uident);
1038 $loginData['chalvalue'] = t3lib_div::_POST($this->formfield_chalvalue);
1039 }
1040 $loginData = $this->processLoginData($loginData);
1041
1042 return $loginData;
1043 }
1044
1045 /**
1046 * Processes Login data submitted by a form or params depending on the
1047 * security_level
1048 *
1049 * @param array login data array
1050 * @param string Alternative security_level. Used when authentication services wants to override the default.
1051 * @return array processed login data array
1052 * @internal
1053 */
1054 function processLoginData($loginData, $security_level='') {
1055 global $TYPO3_CONF_VARS;
1056
1057 $loginSecurityLevel = $security_level ? $security_level : ($TYPO3_CONF_VARS[$this->loginType]['loginSecurityLevel'] ? $TYPO3_CONF_VARS[$this->loginType]['loginSecurityLevel'] : $this->security_level);
1058
1059 // Processing data according to the state it was submitted in.
1060 // ($loginSecurityLevel should reflect the security level used on the data being submitted in the login form)
1061 if ($loginSecurityLevel=='normal') {
1062 $loginData['uident_text'] = $loginData['uident'];
1063 $loginData['uident_challenged'] = (string)md5($loginData['uname'].':'.$loginData['uident'].':'.$loginData['chalvalue']);
1064 $loginData['uident_superchallenged'] = (string)md5($loginData['uname'].':'.(md5($loginData['uident'])).':'.$loginData['chalvalue']);
1065 } elseif ($loginSecurityLevel=='challenged') {
1066 $loginData['uident_text'] = '';
1067 $loginData['uident_challenged'] = $loginData['uident'];
1068 $loginData['uident_superchallenged'] = '';
1069 } elseif ($loginSecurityLevel=='superchallenged') {
1070 $loginData['uident_text'] = '';
1071 $loginData['uident_challenged'] = '';
1072 $loginData['uident_superchallenged'] = $loginData['uident'];
1073 }
1074
1075 // The password "uident" is set based on the internal security setting of TYPO3
1076 // Example:
1077 // $this->security_level for the backend must be "superchallenged" because passwords are stored as md5-hashes in the be_users table
1078 // $this->security_level for the frontend must be "normal" or "challenged" because passwords are stored as clear-text in the fe_users tables
1079 if ($this->security_level=='normal') {
1080 $loginData['uident'] = $loginData['uident_text'];
1081 } elseif ($this->security_level=='challenged') {
1082 $loginData['uident'] = $loginData['uident_challenged'];
1083 } elseif ($this->security_level=='superchallenged') {
1084 $loginData['uident'] = $loginData['uident_superchallenged'];
1085 }
1086
1087 return $loginData;
1088 }
1089
1090 /**
1091 * Returns an info array which provides additional information for auth services
1092 *
1093 * @return array
1094 * @internal
1095 */
1096 function getAuthInfoArray() {
1097 $authInfo = array();
1098 $authInfo['loginType'] = $this->loginType;
1099 $authInfo['refInfo'] = parse_url(t3lib_div::getIndpEnv('HTTP_REFERER'));
1100 $authInfo['HTTP_HOST'] = t3lib_div::getIndpEnv('HTTP_HOST');
1101 $authInfo['REMOTE_ADDR'] = t3lib_div::getIndpEnv('REMOTE_ADDR');
1102 $authInfo['REMOTE_HOST'] = t3lib_div::getIndpEnv('REMOTE_HOST');
1103 $authInfo['security_level'] = $this->security_level;
1104 $authInfo['showHiddenRecords'] = $this->showHiddenRecords;
1105 // can be overidden in localconf by SVCONF:
1106 $authInfo['db_user']['table'] = $this->user_table;
1107 $authInfo['db_user']['userid_column'] = $this->userid_column;
1108 $authInfo['db_user']['username_column'] = $this->username_column;
1109 $authInfo['db_user']['userident_column'] = $this->userident_column;
1110 $authInfo['db_user']['usergroup_column'] = $this->usergroup_column;
1111 $authInfo['db_user']['enable_clause'] = $this->user_where_clause();
1112 $authInfo['db_user']['checkPidList'] = $this->checkPid ? $this->checkPid_value : '';
1113 $authInfo['db_user']['check_pid_clause'] = $this->checkPid ? ' AND pid IN ('.$GLOBALS['TYPO3_DB']->cleanIntList($authInfo['db_user']['checkPidList']).')' : '';
1114 $authInfo['db_groups']['table'] = $this->usergroup_table;
1115 return $authInfo;
1116 }
1117
1118 /**
1119 * Check the login data with the user record data for builtin login methods
1120 *
1121 * @param array user data array
1122 * @param array login data array
1123 * @param string Alternative security_level. Used when authentication services wants to override the default.
1124 * @return boolean true if login data matched
1125 */
1126 function compareUident($user, $loginData, $security_level='') {
1127
1128 $OK = FALSE;
1129 $security_level = $security_level ? $security_level : $this->security_level;
1130
1131 switch ($security_level) {
1132 case 'superchallenged': // If superchallenged the password in the database ($user[$this->userident_column]) must be a md5-hash of the original password.
1133 case 'challenged':
1134
1135 // Check challenge stored in cookie:
1136 if ($this->challengeStoredInCookie) {
1137 session_start();
1138 if ($_SESSION['login_challenge'] !== $loginData['chalvalue']) {
1139 if ($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);
1140 $this->logoff();
1141 return FALSE;
1142 }
1143 }
1144
1145 if ((string)$loginData['uident'] === (string)md5($user[$this->username_column].':'.$user[$this->userident_column].':'.$loginData['chalvalue'])) {
1146 $OK = TRUE;
1147 }
1148 break;
1149 default: // normal
1150 if ((string)$loginData['uident'] === (string)$user[$this->userident_column]) {
1151 $OK = TRUE;
1152 }
1153 break;
1154 }
1155
1156 return $OK;
1157 }
1158
1159 /**
1160 * Garbage collector, removing old expired sessions.
1161 *
1162 * @return void
1163 * @internal
1164 */
1165 function gc() {
1166 $GLOBALS['TYPO3_DB']->exec_DELETEquery(
1167 $this->session_table,
1168 'ses_tstamp < '.intval(time()-($this->gc_time)).'
1169 AND ses_name = '.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table)
1170 );
1171 }
1172
1173 /**
1174 * Redirect to somewhere (obsolete).
1175 *
1176 * @return void
1177 * @deprecated since TYPO3 3.6
1178 * @obsolete
1179 * @ignore
1180 */
1181 function redirect() {
1182 if (!$this->userid && $this->auth_url) { // if no userid AND an include-document for login is given
1183 include ($this->auth_include);
1184 exit;
1185 }
1186 }
1187
1188 /**
1189 * DUMMY: Writes to log database table (in some extension classes)
1190 *
1191 * @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
1192 * @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 !!)
1193 * @param integer $error: flag. 0 = message, 1 = error (user problem), 2 = System Error (which should not happen), 3 = security notice (admin)
1194 * @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
1195 * @param string $details: Default text that follows the message
1196 * @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...
1197 * @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.)
1198 * @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.)
1199 * @param integer $recpid: Special field used by tce_main.php. These ($tablename, $recuid, $recpid) holds the reference to the record which the log-entry is about. (Was used in attic status.php to update the interface.)
1200 * @return void
1201 * @see t3lib_userauthgroup::writelog()
1202 */
1203 function writelog($type,$action,$error,$details_nr,$details,$data,$tablename,$recuid,$recpid) {
1204 }
1205
1206 /**
1207 * DUMMY: Check login failures (in some extension classes)
1208 *
1209 * @return void
1210 * @ignore
1211 */
1212 function checkLogFailures() {
1213 }
1214
1215 /**
1216 * Raw initialization of the be_user with uid=$uid
1217 * This will circumvent all login procedures and select a be_users record from the database and set the content of ->user to the record selected. Thus the BE_USER object will appear like if a user was authenticated - however without a session id and the fields from the session table of course.
1218 * Will check the users for disabled, start/endtime, etc. ($this->user_where_clause())
1219 *
1220 * @param integer The UID of the backend user to set in ->user
1221 * @return void
1222 * @internal
1223 * @see SC_mod_tools_be_user_index::compareUsers(), SC_mod_user_setup_index::simulateUser(), freesite_admin::startCreate()
1224 */
1225 function setBeUserByUid($uid) {
1226 $this->user = $this->getRawUserByUid($uid);
1227 }
1228
1229 /**
1230 * Raw initialization of the be_user with username=$name
1231 *
1232 * @param string The username to look up.
1233 * @return void
1234 * @see t3lib_userAuth::setBeUserByUid()
1235 * @internal
1236 */
1237 function setBeUserByName($name) {
1238 $this->user = $this->getRawUserByName($name);
1239 }
1240
1241 /**
1242 * Fetching raw user record with uid=$uid
1243 *
1244 * @param integer The UID of the backend user to set in ->user
1245 * @return array user record or FALSE
1246 * @internal
1247 */
1248 function getRawUserByUid($uid) {
1249 $user = FALSE;
1250 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', $this->user_table, 'uid='.intval($uid).' '.$this->user_where_clause());
1251 if ($dbres) {
1252 $user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres);
1253 $GLOBALS['TYPO3_DB']->sql_free_result($dbres);
1254 }
1255 return $user;
1256 }
1257
1258 /**
1259 * Fetching raw user record with username=$name
1260 *
1261 * @param string The username to look up.
1262 * @return array user record or FALSE
1263 * @see t3lib_userAuth::getUserByUid()
1264 * @internal
1265 */
1266 function getRawUserByName($name) {
1267 $user = FALSE;
1268 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', $this->user_table, 'username='.$GLOBALS['TYPO3_DB']->fullQuoteStr($name, $this->user_table).' '.$this->user_where_clause());
1269 if ($dbres) {
1270 $user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres);
1271 $GLOBALS['TYPO3_DB']->sql_free_result($dbres);
1272 }
1273 return $user;
1274 }
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290 /*************************
1291 *
1292 * Create/update user - EXPERIMENTAL
1293 *
1294 *************************/
1295
1296 /**
1297 * Get a user from DB by username
1298 * provided for usage from services
1299 *
1300 * @param array User db table definition: $this->db_user
1301 * @param string user name
1302 * @param string additional WHERE clause: " AND ...
1303 * @return mixed user array or FALSE
1304 */
1305 function fetchUserRecord($dbUser, $username, $extraWhere='' ) {
1306 $user = FALSE;
1307
1308 $usernameClause = $username ? ($dbUser['username_column'].'='.$GLOBALS['TYPO3_DB']->fullQuoteStr($username, $dbUser['table'])) : '';
1309
1310 if ($username || $extraWhere) {
1311
1312 // Look up the user by the username and/or extraWhere:
1313 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
1314 '*',
1315 $dbUser['table'],
1316 $usernameClause.
1317 $dbUser['check_pid_clause'].
1318 $dbUser['enable_clause'].
1319 $extraWhere
1320 );
1321
1322 if ($dbres) {
1323 $user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres);
1324 $GLOBALS['TYPO3_DB']->sql_free_result($dbres);
1325 }
1326 }
1327 return $user;
1328 }
1329 }
1330
1331
1332
1333 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_userauth.php']) {
1334 include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_userauth.php']);
1335 }
1336
1337 ?>