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[Packages/TYPO3.CMS.git] / t3lib / class.t3lib_userauth.php
1 <?php
2 /***************************************************************
3 * Copyright notice
4 *
5 * (c) 1999-2011 Kasper Skårhøj (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 * Revised for TYPO3 3.6 July/2003 by Kasper Skårhøj
31 *
32 * @author Kasper Skårhøj <kasperYYYY@typo3.com>
33 * @author René Fritz <r.fritz@colorcube.de>
34 */
35
36
37 require_once(t3lib_extMgm::extPath('sv') . 'class.tx_sv_authbase.php');
38
39
40 /**
41 * Authentication of users in TYPO3
42 *
43 * This class is used to authenticate a login user.
44 * The class is used by both the frontend and backend. In both cases this class is a parent class to beuserauth and feuserauth
45 *
46 * See Inside TYPO3 for more information about the API of the class and internal variables.
47 *
48 * @author Kasper Skårhøj <kasperYYYY@typo3.com>
49 * @author René Fritz <r.fritz@colorcube.de>
50 * @package TYPO3
51 * @subpackage t3lib
52 */
53 abstract class t3lib_userAuth {
54 var $global_database = ''; // Which global database to connect to
55 var $session_table = ''; // Table to use for session data.
56 var $name = ''; // Session/Cookie name
57 var $get_name = ''; // Session/GET-var name
58
59 var $user_table = ''; // Table in database with userdata
60 var $username_column = ''; // Column for login-name
61 var $userident_column = ''; // Column for password
62 var $userid_column = ''; // Column for user-id
63 var $lastLogin_column = '';
64
65 var $enablecolumns = array(
66 'rootLevel' => '', // Boolean: If TRUE, 'AND pid=0' will be a part of the query...
67 'disabled' => '',
68 'starttime' => '',
69 'endtime' => '',
70 'deleted' => ''
71 );
72
73 var $formfield_uname = ''; // formfield with login-name
74 var $formfield_uident = ''; // formfield with password
75 var $formfield_chalvalue = ''; // formfield with a unique value which is used to encrypt the password and username
76 var $formfield_status = ''; // formfield with status: *'login', 'logout'. If empty login is not verified.
77 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.
78
79 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.
80 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.
81 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
82 var $gc_probability = 1; // Possibility (in percent) for GarbageCollection to be run.
83 var $writeStdLog = FALSE; // Decides if the writelog() function is called at login and logout
84 var $writeAttemptLog = FALSE; // If the writelog() functions is called if a login-attempt has be tried without success
85 var $sendNoCacheHeaders = TRUE; // If this is set, headers is sent to assure, caching is NOT done
86 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
87 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.
88 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.
89 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).
90 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. Configurable through $GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['lockHashKeyWords']
91
92 var $warningEmail = ''; // warning -emailaddress:
93 var $warningPeriod = 3600; // Period back in time (in seconds) in which number of failed logins are collected
94 var $warningMax = 3; // The maximum accepted number of warnings before an email is sent
95 var $checkPid = TRUE; // If set, the user-record must $checkPid_value as pid
96 var $checkPid_value = 0; // The pid, the user-record must have as page-id
97
98 // Internals
99 var $id; // Internal: Will contain session_id (MD5-hash)
100 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).
101 var $loginFailure = FALSE; // Indicates if an authentication was started but failed
102 var $loginSessionStarted = FALSE; // Will be set to TRUE if the login session is actually written during auth-check.
103
104 var $user; // Internal: Will contain user- AND session-data from database (joined tables)
105 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!
106
107 var $newSessionID = FALSE; // Will be set to TRUE if a new session ID was created
108 var $forceSetCookie = FALSE; // Will force the session cookie to be set everytime (lifetime must be 0)
109 var $dontSetCookie = FALSE; // Will prevent the setting of the session cookie (takes precedence over forceSetCookie)
110 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.
111 var $loginType = ''; // Login type, used for services.
112
113 var $svConfig = array(); // "auth" services configuration array from $GLOBALS['TYPO3_CONF_VARS']['SVCONF']['auth']
114 var $writeDevLog = FALSE; // write messages into the devlog?
115
116
117 /**
118 * Starts a user session
119 * Typical configurations will:
120 * a) check if session cookie was set and if not, set one,
121 * b) check if a password/username was sent and if so, try to authenticate the user
122 * c) Lookup a session attached to a user and check timeout etc.
123 * d) Garbage collection, setting of no-cache headers.
124 * If a user is authenticated the database record of the user (array) will be set in the ->user internal variable.
125 *
126 * @return void
127 */
128 function start() {
129 // backend or frontend login - used for auth services
130 if (empty($this->loginType)) {
131 throw new t3lib_exception('No loginType defined, should be set explicitly by subclass');
132 }
133
134 // set level to normal if not already set
135 if (!$this->security_level) {
136 // Notice: cannot use TYPO3_MODE here because BE user can be logged in and operate inside FE!
137 $this->security_level = trim($GLOBALS['TYPO3_CONF_VARS'][$this->loginType]['loginSecurityLevel']);
138 if (!$this->security_level) {
139 $this->security_level = 'normal';
140 }
141 }
142
143 // enable dev logging if set
144 if ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['writeDevLog']) {
145 $this->writeDevLog = TRUE;
146 }
147 if ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['writeDevLog' . $this->loginType]) {
148 $this->writeDevLog = TRUE;
149 }
150 if (TYPO3_DLOG) {
151 $this->writeDevLog = TRUE;
152 }
153
154 if ($this->writeDevLog) {
155 t3lib_div::devLog('## Beginning of auth logging.', 't3lib_userAuth');
156 }
157
158 // Init vars.
159 $mode = '';
160 $this->newSessionID = FALSE;
161 // $id is set to ses_id if cookie is present. Else set to FALSE, which will start a new session
162 $id = $this->getCookie($this->name);
163 $this->svConfig = $GLOBALS['TYPO3_CONF_VARS']['SVCONF']['auth'];
164
165 // if we have a flash client, take the ID from the GP
166 if (!$id && $GLOBALS['CLIENT']['BROWSER'] == 'flash') {
167 $id = t3lib_div::_GP($this->name);
168 }
169
170 // If fallback to get mode....
171 if (!$id && $this->getFallBack && $this->get_name) {
172 $id = isset($_GET[$this->get_name]) ? t3lib_div::_GET($this->get_name) : '';
173 if (strlen($id) != $this->hash_length) {
174 $id = '';
175 }
176 $mode = 'get';
177 }
178 $this->cookieId = $id;
179
180 // If new session or client tries to fix session...
181 if (!$id || !$this->isExistingSessionRecord($id)) {
182 // New random session-$id is made
183 $id = $this->createSessionId();
184 // New session
185 $this->newSessionID = TRUE;
186 }
187
188 // Internal var 'id' is set
189 $this->id = $id;
190
191 // If fallback to get mode....
192 if ($mode == 'get' && $this->getFallBack && $this->get_name) {
193 $this->get_URL_ID = '&' . $this->get_name . '=' . $id;
194 }
195
196 // Set session hashKey lock keywords from configuration; currently only 'useragent' can be used.
197 $this->lockHashKeyWords = $GLOBALS['TYPO3_CONF_VARS'][$this->loginType]['lockHashKeyWords'];
198
199 // Make certain that NO user is set initially
200 $this->user = '';
201
202 // We need a PHP session session for most login levels
203 session_start();
204
205 // 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...
206 $this->checkAuthentication();
207
208 // Make certain that NO user is set initially. ->check_authentication may have set a session-record which will provide us with a user record in the next section:
209 unset($this->user);
210
211 // determine whether we need to skip session update.
212 // This is used mainly for checking session timeout without
213 // refreshing the session itself while checking.
214 if (t3lib_div::_GP('skipSessionUpdate')) {
215 $skipSessionUpdate = TRUE;
216 } else {
217 $skipSessionUpdate = FALSE;
218 }
219
220 // re-read user session
221 $this->user = $this->fetchUserSession($skipSessionUpdate);
222
223 if ($this->writeDevLog && is_array($this->user)) {
224 t3lib_div::devLog('User session finally read: ' . t3lib_div::arrayToLogString($this->user, array($this->userid_column, $this->username_column)), 't3lib_userAuth', -1);
225 }
226 if ($this->writeDevLog && !is_array($this->user)) {
227 t3lib_div::devLog('No user session found.', 't3lib_userAuth', 2);
228 }
229
230 // Setting cookies
231 if (!$this->dontSetCookie) {
232 $this->setSessionCookie();
233 }
234
235 // Hook for alternative ways of filling the $this->user array (is used by the "timtaw" extension)
236 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['postUserLookUp'])) {
237 foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['postUserLookUp'] as $funcName) {
238 $_params = array(
239 'pObj' => &$this,
240 );
241 t3lib_div::callUserFunction($funcName, $_params, $this);
242 }
243 }
244
245 // Set all posible headers that could ensure that the script is not cached on the client-side
246 if ($this->sendNoCacheHeaders) {
247 header('Expires: 0');
248 header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
249 header('Cache-Control: no-cache, must-revalidate');
250 header('Pragma: no-cache');
251 }
252
253 // Set $this->gc_time if not explicitely specified
254 if ($this->gc_time == 0) {
255 $this->gc_time = ($this->auth_timeout_field == 0 ? 86400 : $this->auth_timeout_field); // Default to 1 day if $this->auth_timeout_field is 0
256 }
257
258 // If we're lucky we'll get to clean up old sessions....
259 if ((rand() % 100) <= $this->gc_probability) {
260 $this->gc();
261 }
262
263 }
264
265 /**
266 * Sets the session cookie for the current disposal.
267 *
268 * @return void
269 */
270 protected function setSessionCookie() {
271 $isSetSessionCookie = $this->isSetSessionCookie();
272 $isRefreshTimeBasedCookie = $this->isRefreshTimeBasedCookie();
273
274 if ($isSetSessionCookie || $isRefreshTimeBasedCookie) {
275 $settings = $GLOBALS['TYPO3_CONF_VARS']['SYS'];
276
277 // Get the domain to be used for the cookie (if any):
278 $cookieDomain = $this->getCookieDomain();
279 // If no cookie domain is set, use the base path:
280 $cookiePath = ($cookieDomain ? '/' : t3lib_div::getIndpEnv('TYPO3_SITE_PATH'));
281 // If the cookie lifetime is set, use it:
282 $cookieExpire = ($isRefreshTimeBasedCookie ? $GLOBALS['EXEC_TIME'] + $this->lifetime : 0);
283 // Use the secure option when the current request is served by a secure connection:
284 $cookieSecure = (bool) $settings['cookieSecure'] && t3lib_div::getIndpEnv('TYPO3_SSL');
285 // Deliver cookies only via HTTP and prevent possible XSS by JavaScript:
286 $cookieHttpOnly = (bool) $settings['cookieHttpOnly'];
287
288 // Do not set cookie if cookieSecure is set to "1" (force HTTPS) and no secure channel is used:
289 if ((int) $settings['cookieSecure'] !== 1 || t3lib_div::getIndpEnv('TYPO3_SSL')) {
290 setcookie(
291 $this->name,
292 $this->id,
293 $cookieExpire,
294 $cookiePath,
295 $cookieDomain,
296 $cookieSecure,
297 $cookieHttpOnly
298 );
299 } else {
300 throw new t3lib_exception(
301 'Cookie was not set since HTTPS was forced in $TYPO3_CONF_VARS[SYS][cookieSecure].',
302 1254325546
303 );
304 }
305
306 if ($this->writeDevLog) {
307 $devLogMessage = ($isRefreshTimeBasedCookie ? 'Updated Cookie: ' : 'Set Cookie: ') . $this->id;
308 t3lib_div::devLog($devLogMessage . ($cookieDomain ? ', ' . $cookieDomain : ''), 't3lib_userAuth');
309 }
310 }
311 }
312
313 /**
314 * Gets the domain to be used on setting cookies.
315 * The information is taken from the value in $GLOBALS['TYPO3_CONF_VARS']['SYS']['cookieDomain'].
316 *
317 * @return string The domain to be used on setting cookies
318 */
319 protected function getCookieDomain() {
320 $result = '';
321 $cookieDomain = $GLOBALS['TYPO3_CONF_VARS']['SYS']['cookieDomain'];
322 // If a specific cookie domain is defined for a given TYPO3_MODE,
323 // use that domain
324 if (!empty($GLOBALS['TYPO3_CONF_VARS'][$this->loginType]['cookieDomain'])) {
325 $cookieDomain = $GLOBALS['TYPO3_CONF_VARS'][$this->loginType]['cookieDomain'];
326 }
327
328 if ($cookieDomain) {
329 if ($cookieDomain{0} == '/') {
330 $match = array();
331 $matchCnt = @preg_match($cookieDomain, t3lib_div::getIndpEnv('TYPO3_HOST_ONLY'), $match);
332 if ($matchCnt === FALSE) {
333 t3lib_div::sysLog('The regular expression for the cookie domain (' . $cookieDomain . ') contains errors. The session is not shared across sub-domains.', 'Core', 3);
334 } elseif ($matchCnt) {
335 $result = $match[0];
336 }
337 } else {
338 $result = $cookieDomain;
339 }
340 }
341
342 return $result;
343 }
344
345 /**
346 * Get the value of a specified cookie.
347 *
348 * Uses HTTP_COOKIE, if available, to avoid a IE8 bug where multiple
349 * cookies with the same name might be returned if the user accessed
350 * the site without "www." first and switched to "www." later:
351 * Cookie: fe_typo_user=AAA; fe_typo_user=BBB
352 * In this case PHP will set _COOKIE as the first cookie, when we
353 * would need the last one (which is what this function then returns).
354 *
355 * @param string The cookie ID
356 * @return string The value stored in the cookie
357 */
358 protected function getCookie($cookieName) {
359 if (isset($_SERVER['HTTP_COOKIE'])) {
360 $cookies = t3lib_div::trimExplode(';', $_SERVER['HTTP_COOKIE']);
361 foreach ($cookies as $cookie) {
362 list ($name, $value) = t3lib_div::trimExplode('=', $cookie);
363 if (strcmp(trim($name), $cookieName) == 0) {
364 // Use the last one
365 $cookieValue = urldecode($value);
366 }
367 }
368 } else {
369 // Fallback if there is no HTTP_COOKIE, use original method:
370 $cookieValue = isset($_COOKIE[$cookieName]) ? stripslashes($_COOKIE[$cookieName]) : '';
371 }
372 return $cookieValue;
373 }
374
375 /**
376 * Determine whether a session cookie needs to be set (lifetime=0)
377 *
378 * @return boolean
379 * @internal
380 */
381 function isSetSessionCookie() {
382 return ($this->newSessionID || $this->forceSetCookie) && $this->lifetime == 0;
383 }
384
385 /**
386 * Determine whether a non-session cookie needs to be set (lifetime>0)
387 *
388 * @return boolean
389 * @internal
390 */
391 function isRefreshTimeBasedCookie() {
392 return $this->lifetime > 0;
393 }
394
395 /**
396 * Checks if a submission of username and password is present or use other authentication by auth services
397 *
398 * @return void
399 * @internal
400 */
401 function checkAuthentication() {
402
403 // No user for now - will be searched by service below
404 $tempuserArr = array();
405 $tempuser = FALSE;
406
407 // User is not authenticated by default
408 $authenticated = FALSE;
409
410 // User want to login with passed login data (name/password)
411 $activeLogin = FALSE;
412
413 // Indicates if an active authentication failed (not auto login)
414 $this->loginFailure = FALSE;
415
416 if ($this->writeDevLog) {
417 t3lib_div::devLog('Login type: ' . $this->loginType, 't3lib_userAuth');
418 }
419
420 // The info array provide additional information for auth services
421 $authInfo = $this->getAuthInfoArray();
422
423 // Get Login/Logout data submitted by a form or params
424 $loginData = $this->getLoginFormData();
425
426 if ($this->writeDevLog) {
427 t3lib_div::devLog('Login data: ' . t3lib_div::arrayToLogString($loginData), 't3lib_userAuth');
428 }
429
430
431 // active logout (eg. with "logout" button)
432 if ($loginData['status'] == 'logout') {
433 if ($this->writeStdLog) {
434 // $type,$action,$error,$details_nr,$details,$data,$tablename,$recuid,$recpid
435 $this->writelog(255, 2, 0, 2, 'User %s logged out', array($this->user['username']), '', 0, 0);
436 } // Logout written to log
437 if ($this->writeDevLog) {
438 t3lib_div::devLog('User logged out. Id: ' . $this->id, 't3lib_userAuth', -1);
439 }
440
441 $this->logoff();
442 }
443
444 // active login (eg. with login form)
445 if ($loginData['status'] == 'login') {
446 $activeLogin = TRUE;
447
448 if ($this->writeDevLog) {
449 t3lib_div::devLog('Active login (eg. with login form)', 't3lib_userAuth');
450 }
451
452 // check referer for submitted login values
453 if ($this->formfield_status && $loginData['uident'] && $loginData['uname']) {
454 $httpHost = t3lib_div::getIndpEnv('TYPO3_HOST_ONLY');
455 if (!$this->getMethodEnabled && ($httpHost != $authInfo['refInfo']['host'] && !$GLOBALS['TYPO3_CONF_VARS']['SYS']['doNotCheckReferer'])) {
456 throw new RuntimeException(
457 'TYPO3 Fatal Error: Error: This host address ("' . $httpHost . '") and the referer host ("' . $authInfo['refInfo']['host'] . '") mismatches!<br />
458 It\'s possible that the environment variable HTTP_REFERER is not passed to the script because of a proxy.<br />
459 The site administrator can disable this check in the "All Configuration" section of the Install Tool (flag: TYPO3_CONF_VARS[SYS][doNotCheckReferer]).',
460 1270853930
461 );
462 }
463
464 // delete old user session if any
465 $this->logoff();
466 }
467
468 // Refuse login for _CLI users, if not processing a CLI request type
469 // (although we shouldn't be here in case of a CLI request type)
470 if ((strtoupper(substr($loginData['uname'], 0, 5)) == '_CLI_') && !(TYPO3_REQUESTTYPE & TYPO3_REQUESTTYPE_CLI)) {
471 throw new RuntimeException(
472 'TYPO3 Fatal Error: You have tried to login using a CLI user. Access prohibited!',
473 1270853931
474 );
475 }
476 }
477
478
479 // the following code makes auto-login possible (if configured). No submitted data needed
480
481 // determine whether we need to skip session update.
482 // This is used mainly for checking session timeout without
483 // refreshing the session itself while checking.
484 if (t3lib_div::_GP('skipSessionUpdate')) {
485 $skipSessionUpdate = TRUE;
486 } else {
487 $skipSessionUpdate = FALSE;
488 }
489
490 // re-read user session
491 $authInfo['userSession'] = $this->fetchUserSession($skipSessionUpdate);
492 $haveSession = is_array($authInfo['userSession']) ? TRUE : FALSE;
493
494 if ($this->writeDevLog) {
495 if ($haveSession) {
496 t3lib_div::devLog('User session found: ' . t3lib_div::arrayToLogString($authInfo['userSession'], array($this->userid_column, $this->username_column)), 't3lib_userAuth', 0);
497 }
498 if (is_array($this->svConfig['setup'])) {
499 t3lib_div::devLog('SV setup: ' . t3lib_div::arrayToLogString($this->svConfig['setup']), 't3lib_userAuth', 0);
500 }
501 }
502
503 // fetch user if ...
504 if ($activeLogin
505 || (!$haveSession && $this->svConfig['setup'][$this->loginType . '_fetchUserIfNoSession'])
506 || $this->svConfig['setup'][$this->loginType . '_alwaysFetchUser']) {
507
508 // use 'auth' service to find the user
509 // first found user will be used
510 $serviceChain = '';
511 $subType = 'getUser' . $this->loginType;
512 while (is_object($serviceObj = t3lib_div::makeInstanceService('auth', $subType, $serviceChain))) {
513 $serviceChain .= ',' . $serviceObj->getServiceKey();
514 $serviceObj->initAuth($subType, $loginData, $authInfo, $this);
515 if ($row = $serviceObj->getUser()) {
516 $tempuserArr[] = $row;
517
518 if ($this->writeDevLog) {
519 t3lib_div::devLog('User found: ' . t3lib_div::arrayToLogString($row, array($this->userid_column, $this->username_column)), 't3lib_userAuth', 0);
520 }
521
522 // user found, just stop to search for more if not configured to go on
523 if (!$this->svConfig['setup'][$this->loginType . '_fetchAllUsers']) {
524 break;
525 }
526 }
527 unset($serviceObj);
528 }
529 unset($serviceObj);
530
531 if ($this->writeDevLog && $this->svConfig['setup'][$this->loginType . '_alwaysFetchUser']) {
532 t3lib_div::devLog($this->loginType . '_alwaysFetchUser option is enabled', 't3lib_userAuth');
533 }
534 if ($this->writeDevLog && $serviceChain) {
535 t3lib_div::devLog($subType . ' auth services called: ' . $serviceChain, 't3lib_userAuth');
536 }
537 if ($this->writeDevLog && !count($tempuserArr)) {
538 t3lib_div::devLog('No user found by services', 't3lib_userAuth');
539 }
540 if ($this->writeDevLog && count($tempuserArr)) {
541 t3lib_div::devLog(count($tempuserArr) . ' user records found by services', 't3lib_userAuth');
542 }
543 }
544
545
546 // If no new user was set we use the already found user session
547 if (!count($tempuserArr) && $haveSession) {
548 $tempuserArr[] = $authInfo['userSession'];
549 $tempuser = $authInfo['userSession'];
550 // User is authenticated because we found a user session
551 $authenticated = TRUE;
552
553 if ($this->writeDevLog) {
554 t3lib_div::devLog('User session used: ' . t3lib_div::arrayToLogString($authInfo['userSession'], array($this->userid_column, $this->username_column)), 't3lib_userAuth');
555 }
556 }
557
558
559 // Re-auth user when 'auth'-service option is set
560 if ($this->svConfig['setup'][$this->loginType . '_alwaysAuthUser']) {
561 $authenticated = FALSE;
562 if ($this->writeDevLog) {
563 t3lib_div::devLog('alwaysAuthUser option is enabled', 't3lib_userAuth');
564 }
565 }
566
567
568 // Authenticate the user if needed
569 if (count($tempuserArr) && !$authenticated) {
570
571 foreach ($tempuserArr as $tempuser) {
572
573 // use 'auth' service to authenticate the user
574 // if one service returns FALSE then authentication failed
575 // a service might return 100 which means there's no reason to stop but the user can't be authenticated by that service
576
577 if ($this->writeDevLog) {
578 t3lib_div::devLog('Auth user: ' . t3lib_div::arrayToLogString($tempuser), 't3lib_userAuth');
579 }
580
581 $serviceChain = '';
582 $subType = 'authUser' . $this->loginType;
583 while (is_object($serviceObj = t3lib_div::makeInstanceService('auth', $subType, $serviceChain))) {
584 $serviceChain .= ',' . $serviceObj->getServiceKey();
585 $serviceObj->initAuth($subType, $loginData, $authInfo, $this);
586 if (($ret = $serviceObj->authUser($tempuser)) > 0) {
587
588 // if the service returns >=200 then no more checking is needed - useful for IP checking without password
589 if (intval($ret) >= 200) {
590 $authenticated = TRUE;
591 break;
592 } elseif (intval($ret) >= 100) {
593 // Just go on. User is still not authenticated but there's no reason to stop now.
594 } else {
595 $authenticated = TRUE;
596 }
597
598 } else {
599 $authenticated = FALSE;
600 break;
601 }
602 unset($serviceObj);
603 }
604 unset($serviceObj);
605
606 if ($this->writeDevLog && $serviceChain) {
607 t3lib_div::devLog($subType . ' auth services called: ' . $serviceChain, 't3lib_userAuth');
608 }
609
610 if ($authenticated) {
611 // leave foreach() because a user is authenticated
612 break;
613 }
614 }
615 }
616
617 // If user is authenticated a valid user is in $tempuser
618 if ($authenticated) {
619 // reset failure flag
620 $this->loginFailure = FALSE;
621
622 // Insert session record if needed:
623 if (!($haveSession && (
624 $tempuser['ses_id'] == $this->id || // check if the tempuser has the current session id
625 $tempuser['uid'] == $authInfo['userSession']['ses_userid'] // check if the tempuser has the uid of the fetched session user
626 ))) {
627 $this->createUserSession($tempuser);
628
629 // The login session is started.
630 $this->loginSessionStarted = TRUE;
631 }
632
633 // User logged in - write that to the log!
634 if ($this->writeStdLog && $activeLogin) {
635 $this->writelog(255, 1, 0, 1,
636 'User %s logged in from %s (%s)',
637 array($tempuser[$this->username_column], t3lib_div::getIndpEnv('REMOTE_ADDR'), t3lib_div::getIndpEnv('REMOTE_HOST')),
638 '', '', '', -1, '', $tempuser['uid']
639 );
640 }
641
642 if ($this->writeDevLog && $activeLogin) {
643 t3lib_div::devLog('User ' . $tempuser[$this->username_column] . ' logged in from ' . t3lib_div::getIndpEnv('REMOTE_ADDR') . ' (' . t3lib_div::getIndpEnv('REMOTE_HOST') . ')', 't3lib_userAuth', -1);
644 }
645 if ($this->writeDevLog && !$activeLogin) {
646 t3lib_div::devLog('User ' . $tempuser[$this->username_column] . ' authenticated from ' . t3lib_div::getIndpEnv('REMOTE_ADDR') . ' (' . t3lib_div::getIndpEnv('REMOTE_HOST') . ')', 't3lib_userAuth', -1);
647 }
648
649 if ($GLOBALS['TYPO3_CONF_VARS']['BE']['lockSSL'] == 3 && $this->user_table == 'be_users') {
650 $requestStr = substr(t3lib_div::getIndpEnv('TYPO3_REQUEST_SCRIPT'), strlen(t3lib_div::getIndpEnv('TYPO3_SITE_URL') . TYPO3_mainDir));
651 $backendScript = t3lib_BEfunc::getBackendScript();
652 if ($requestStr == $backendScript && t3lib_div::getIndpEnv('TYPO3_SSL')) {
653 list(, $url) = explode('://', t3lib_div::getIndpEnv('TYPO3_SITE_URL'), 2);
654 list($server, $address) = explode('/', $url, 2);
655 if (intval($GLOBALS['TYPO3_CONF_VARS']['BE']['lockSSLPort'])) {
656 $sslPortSuffix = ':' . intval($GLOBALS['TYPO3_CONF_VARS']['BE']['lockSSLPort']);
657 $server = str_replace($sslPortSuffix, '', $server); // strip port from server
658 }
659 t3lib_utility_Http::redirect('http://' . $server . '/' . $address . TYPO3_mainDir . $backendScript);
660 }
661 }
662
663 } elseif ($activeLogin || count($tempuserArr)) {
664 $this->loginFailure = TRUE;
665
666 if ($this->writeDevLog && !count($tempuserArr) && $activeLogin) {
667 t3lib_div::devLog('Login failed: ' . t3lib_div::arrayToLogString($loginData), 't3lib_userAuth', 2);
668 }
669 if ($this->writeDevLog && count($tempuserArr)) {
670 t3lib_div::devLog('Login failed: ' . t3lib_div::arrayToLogString($tempuser, array($this->userid_column, $this->username_column)), 't3lib_userAuth', 2);
671 }
672 }
673
674
675 // If there were a login failure, check to see if a warning email should be sent:
676 if ($this->loginFailure && $activeLogin) {
677 if ($this->writeDevLog) {
678 t3lib_div::devLog('Call checkLogFailures: ' . t3lib_div::arrayToLogString(array('warningEmail' => $this->warningEmail, 'warningPeriod' => $this->warningPeriod, 'warningMax' => $this->warningMax,)), 't3lib_userAuth', -1);
679 }
680
681 $this->checkLogFailures($this->warningEmail, $this->warningPeriod, $this->warningMax);
682 }
683 }
684
685 /**
686 * Creates a new session ID.
687 *
688 * @return string The new session ID
689 */
690 public function createSessionId() {
691 return t3lib_div::getRandomHexString($this->hash_length);
692 }
693
694
695 /*************************
696 *
697 * User Sessions
698 *
699 *************************/
700
701
702 /**
703 * Creates a user session record.
704 *
705 * @param array user data array
706 * @return void
707 */
708 function createUserSession($tempuser) {
709
710 if ($this->writeDevLog) {
711 t3lib_div::devLog('Create session ses_id = ' . $this->id, 't3lib_userAuth');
712 }
713
714 // delete session entry first
715 $GLOBALS['TYPO3_DB']->exec_DELETEquery(
716 $this->session_table,
717 'ses_id = ' . $GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table) . '
718 AND ses_name = ' . $GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table)
719 );
720
721 // re-create session entry
722 $insertFields = $this->getNewSessionRecord($tempuser);
723 $GLOBALS['TYPO3_DB']->exec_INSERTquery($this->session_table, $insertFields);
724
725 // Updating lastLogin_column carrying information about last login.
726 if ($this->lastLogin_column) {
727 $GLOBALS['TYPO3_DB']->exec_UPDATEquery(
728 $this->user_table,
729 $this->userid_column . '=' . $GLOBALS['TYPO3_DB']->fullQuoteStr($tempuser[$this->userid_column], $this->user_table),
730 array($this->lastLogin_column => $GLOBALS['EXEC_TIME'])
731 );
732 }
733 }
734
735 /**
736 * Returns a new session record for the current user for insertion into the DB.
737 * This function is mainly there as a wrapper for inheriting classes to override it.
738 *
739 * @return array user session record
740 */
741 function getNewSessionRecord($tempuser) {
742 return array(
743 'ses_id' => $this->id,
744 'ses_name' => $this->name,
745 'ses_iplock' => $tempuser['disableIPlock'] ? '[DISABLED]' : $this->ipLockClause_remoteIPNumber($this->lockIP),
746 'ses_hashlock' => $this->hashLockClause_getHashInt(),
747 'ses_userid' => $tempuser[$this->userid_column],
748 'ses_tstamp' => $GLOBALS['EXEC_TIME']
749 );
750 }
751
752 /**
753 * Read the user session from db.
754 *
755 * @return array user session data
756 */
757 function fetchUserSession($skipSessionUpdate = FALSE) {
758
759 $user = '';
760
761 if ($this->writeDevLog) {
762 t3lib_div::devLog('Fetch session ses_id = ' . $this->id, 't3lib_userAuth');
763 }
764
765 // fetch the user session from the DB
766 $statement = $this->fetchUserSessionFromDB();
767 $user = FALSE;
768 if ($statement) {
769 $statement->execute();
770 $user = $statement->fetch();
771 $statement->free();
772 }
773
774 if ($statement && $user) {
775 // A user was found
776 if (is_string($this->auth_timeout_field)) {
777 $timeout = intval($user[$this->auth_timeout_field]); // Get timeout-time from usertable
778 } else {
779 $timeout = intval($this->auth_timeout_field); // Get timeout from object
780 }
781 // If timeout > 0 (TRUE) and currenttime has not exceeded the latest sessions-time plus the timeout in seconds then accept user
782 // 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...
783 if ($timeout > 0 && ($GLOBALS['EXEC_TIME'] < ($user['ses_tstamp'] + $timeout))) {
784 if (!$skipSessionUpdate) {
785 $GLOBALS['TYPO3_DB']->exec_UPDATEquery(
786 $this->session_table,
787 'ses_id=' . $GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table) . '
788 AND ses_name=' . $GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table),
789 array('ses_tstamp' => $GLOBALS['EXEC_TIME'])
790 );
791 $user['ses_tstamp'] = $GLOBALS['EXEC_TIME']; // Make sure that the timestamp is also updated in the array
792 }
793
794 } else {
795 $this->logoff(); // delete any user set...
796 }
797 } else {
798 $this->logoff(); // delete any user set...
799 }
800 return $user;
801 }
802
803 /**
804 * Log out current user!
805 * Removes the current session record, sets the internal ->user array to a blank string; Thereby the current user (if any) is effectively logged out!
806 *
807 * @return void
808 */
809 function logoff() {
810 if ($this->writeDevLog) {
811 t3lib_div::devLog('logoff: ses_id = ' . $this->id, 't3lib_userAuth');
812 }
813
814 // Hook for pre-processing the logoff() method, requested and implemented by andreas.otto@dkd.de:
815 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['logoff_pre_processing'])) {
816 $_params = array();
817 foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['logoff_pre_processing'] as $_funcRef) {
818 if ($_funcRef) {
819 t3lib_div::callUserFunction($_funcRef, $_params, $this);
820 }
821 }
822 }
823
824 $GLOBALS['TYPO3_DB']->exec_DELETEquery(
825 $this->session_table,
826 'ses_id = ' . $GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, $this->session_table) . '
827 AND ses_name = ' . $GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table)
828 );
829
830 $this->user = '';
831
832 // Hook for post-processing the logoff() method, requested and implemented by andreas.otto@dkd.de:
833 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['logoff_post_processing'])) {
834 $_params = array();
835 foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['logoff_post_processing'] as $_funcRef) {
836 if ($_funcRef) {
837 t3lib_div::callUserFunction($_funcRef, $_params, $this);
838 }
839 }
840 }
841 }
842
843 /**
844 * Determine whether there's an according session record to a given session_id
845 * in the database. Don't care if session record is still valid or not.
846 *
847 * @param integer Claimed Session ID
848 * @return boolean Returns TRUE if a corresponding session was found in the database
849 */
850 function isExistingSessionRecord($id) {
851 $statement = $GLOBALS['TYPO3_DB']->prepare_SELECTquery(
852 'COUNT(*)',
853 $this->session_table,
854 'ses_id = :ses_id'
855 );
856 $statement->execute(array(':ses_id' => $id));
857 $row = $statement->fetch(t3lib_db_PreparedStatement::FETCH_NUM);
858 $statement->free();
859
860 return (($row[0] ? TRUE : FALSE));
861 }
862
863
864 /*************************
865 *
866 * SQL Functions
867 *
868 *************************/
869
870 /**
871 * The session_id is used to find user in the database.
872 * Two tables are joined: The session-table with user_id of the session and the usertable with its primary key
873 * if the client is flash (e.g. from a flash application inside TYPO3 that does a server request)
874 * then don't evaluate with the hashLockClause, as the client/browser is included in this hash
875 * and thus, the flash request would be rejected
876 *
877 * @return t3lib_db_PreparedStatement
878 * @access private
879 */
880 protected function fetchUserSessionFromDB() {
881 $statement = NULL;
882 $ipLockClause = $this->ipLockClause();
883
884 if ($GLOBALS['CLIENT']['BROWSER'] == 'flash') {
885 // if on the flash client, the veri code is valid, then the user session is fetched
886 // from the DB without the hashLock clause
887 if (t3lib_div::_GP('vC') == $this->veriCode()) {
888 $statement = $GLOBALS['TYPO3_DB']->prepare_SELECTquery(
889 '*',
890 $this->session_table . ',' . $this->user_table,
891 $this->session_table . '.ses_id = :ses_id
892 AND ' . $this->session_table . '.ses_name = :ses_name
893 AND ' . $this->session_table . '.ses_userid = ' . $this->user_table . '.' . $this->userid_column . '
894 ' . $ipLockClause['where'] . '
895 ' . $this->user_where_clause()
896 );
897 $statement->bindValues(array(
898 ':ses_id' => $this->id,
899 ':ses_name' => $this->name,
900 ));
901 $statement->bindValues($ipLockClause['parameters']);
902 }
903 } else {
904 $statement = $GLOBALS['TYPO3_DB']->prepare_SELECTquery(
905 '*',
906 $this->session_table . ',' . $this->user_table,
907 $this->session_table . '.ses_id = :ses_id
908 AND ' . $this->session_table . '.ses_name = :ses_name
909 AND ' . $this->session_table . '.ses_userid = ' . $this->user_table . '.' . $this->userid_column . '
910 ' . $ipLockClause['where'] . '
911 ' . $this->hashLockClause() . '
912 ' . $this->user_where_clause()
913 );
914 $statement->bindValues(array(
915 ':ses_id' => $this->id,
916 ':ses_name' => $this->name,
917 ));
918 $statement->bindValues($ipLockClause['parameters']);
919 }
920 return $statement;
921 }
922
923
924 /**
925 * This returns the where-clause needed to select the user with respect flags like deleted, hidden, starttime, endtime
926 *
927 * @return string
928 * @access private
929 */
930 protected function user_where_clause() {
931 return (($this->enablecolumns['rootLevel']) ? 'AND ' . $this->user_table . '.pid=0 ' : '') .
932 (($this->enablecolumns['disabled']) ? ' AND ' . $this->user_table . '.' . $this->enablecolumns['disabled'] . '=0' : '') .
933 (($this->enablecolumns['deleted']) ? ' AND ' . $this->user_table . '.' . $this->enablecolumns['deleted'] . '=0' : '') .
934 (($this->enablecolumns['starttime']) ? ' AND (' . $this->user_table . '.' . $this->enablecolumns['starttime'] . '<=' . $GLOBALS['EXEC_TIME'] . ')' : '') .
935 (($this->enablecolumns['endtime']) ? ' AND (' . $this->user_table . '.' . $this->enablecolumns['endtime'] . '=0 OR ' . $this->user_table . '.' . $this->enablecolumns['endtime'] . '>' . $GLOBALS['EXEC_TIME'] . ')' : '');
936 }
937
938 /**
939 * This returns the where prepared statement-clause needed to lock a user to the IP address
940 *
941 * @return array
942 * @access private
943 */
944 protected function ipLockClause() {
945 $statementClause = array(
946 'where' => '',
947 'parameters' => array(),
948 );
949 if ($this->lockIP) {
950 $statementClause['where'] = 'AND (
951 ' . $this->session_table . '.ses_iplock = :ses_iplock
952 OR ' . $this->session_table . '.ses_iplock=\'[DISABLED]\'
953 )';
954 $statementClause['parameters'] = array(
955 ':ses_iplock' => $this->ipLockClause_remoteIPNumber($this->lockIP),
956 );
957 }
958 return $statementClause;
959 }
960
961 /**
962 * Returns the IP address to lock to.
963 * The IP address may be partial based on $parts.
964 *
965 * @param integer 1-4: Indicates how many parts of the IP address to return. 4 means all, 1 means only first number.
966 * @return string (Partial) IP address for REMOTE_ADDR
967 * @access private
968 */
969 protected function ipLockClause_remoteIPNumber($parts) {
970 $IP = t3lib_div::getIndpEnv('REMOTE_ADDR');
971
972 if ($parts >= 4) {
973 return $IP;
974 } else {
975 $parts = t3lib_utility_Math::forceIntegerInRange($parts, 1, 3);
976 $IPparts = explode('.', $IP);
977 for ($a = 4; $a > $parts; $a--) {
978 unset($IPparts[$a - 1]);
979 }
980 return implode('.', $IPparts);
981 }
982 }
983
984 /**
985 * VeriCode returns 10 first chars of a md5 hash of the session cookie AND the encryptionKey from TYPO3_CONF_VARS.
986 * This code is used as an alternative verification when the JavaScript interface executes cmd's to tce_db.php from eg. MSIE 5.0 because the proper referer is not passed with this browser...
987 *
988 * @return string
989 */
990 public function veriCode() {
991 return substr(md5($this->id . $GLOBALS['TYPO3_CONF_VARS']['SYS']['encryptionKey']), 0, 10);
992 }
993
994 /**
995 * This returns the where-clause needed to lock a user to a hash integer
996 *
997 * @return string
998 * @access private
999 */
1000 protected function hashLockClause() {
1001 $wherePart = 'AND ' . $this->session_table . '.ses_hashlock=' . intval($this->hashLockClause_getHashInt());
1002 return $wherePart;
1003 }
1004
1005 /**
1006 * Creates hash integer to lock user to. Depends on configured keywords
1007 *
1008 * @return integer Hash integer
1009 * @access private
1010 */
1011 protected function hashLockClause_getHashInt() {
1012 $hashStr = '';
1013
1014 if (t3lib_div::inList($this->lockHashKeyWords, 'useragent')) {
1015 $hashStr .= ':' . t3lib_div::getIndpEnv('HTTP_USER_AGENT');
1016 }
1017
1018 return t3lib_div::md5int($hashStr);
1019 }
1020
1021
1022 /*************************
1023 *
1024 * Session and Configuration Handling
1025 *
1026 *************************/
1027
1028 /**
1029 * This writes $variable to the user-record. This is a way of providing session-data.
1030 * You can fetch the data again through $this->uc in this class!
1031 * If $variable is not an array, $this->uc is saved!
1032 *
1033 * @param array An array you want to store for the user as session data. If $variable is not supplied (is blank string), the internal variable, ->uc, is stored by default
1034 * @return void
1035 */
1036 function writeUC($variable = '') {
1037 if (is_array($this->user) && $this->user[$this->userid_column]) {
1038 if (!is_array($variable)) {
1039 $variable = $this->uc;
1040 }
1041
1042 if ($this->writeDevLog) {
1043 t3lib_div::devLog('writeUC: ' . $this->userid_column . '=' . intval($this->user[$this->userid_column]), 't3lib_userAuth');
1044 }
1045 $GLOBALS['TYPO3_DB']->exec_UPDATEquery($this->user_table, $this->userid_column . '=' . intval($this->user[$this->userid_column]), array('uc' => serialize($variable)));
1046 }
1047 }
1048
1049 /**
1050 * Sets $theUC as the internal variable ->uc IF $theUC is an array. If $theUC is FALSE, the 'uc' content from the ->user array will be unserialized and restored in ->uc
1051 *
1052 * @param mixed If an array, then set as ->uc, otherwise load from user record
1053 * @return void
1054 */
1055 function unpack_uc($theUC = '') {
1056 if (!$theUC) {
1057 $theUC = unserialize($this->user['uc']);
1058 }
1059 if (is_array($theUC)) {
1060 $this->uc = $theUC;
1061 }
1062 }
1063
1064 /**
1065 * Stores data for a module.
1066 * 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.
1067 *
1068 * @param string $module is the name of the module ($MCONF['name'])
1069 * @param mixed $data is the data you want to store for that module (array, string, ...)
1070 * @param boolean If $noSave is set, then the ->uc array (which carries all kinds of user data) is NOT written immediately, but must be written by some subsequent call.
1071 * @return void
1072 */
1073 function pushModuleData($module, $data, $noSave = 0) {
1074 $this->uc['moduleData'][$module] = $data;
1075 $this->uc['moduleSessionID'][$module] = $this->id;
1076 if (!$noSave) {
1077 $this->writeUC();
1078 }
1079 }
1080
1081 /**
1082 * Gets module data for a module (from a loaded ->uc array)
1083 *
1084 * @param string $module is the name of the module ($MCONF['name'])
1085 * @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).
1086 * @return mixed The module data if available: $this->uc['moduleData'][$module];
1087 */
1088 function getModuleData($module, $type = '') {
1089 if ($type != 'ses' || $this->uc['moduleSessionID'][$module] == $this->id) {
1090 return $this->uc['moduleData'][$module];
1091 }
1092 }
1093
1094 /**
1095 * Returns the session data stored for $key.
1096 * The data will last only for this login session since it is stored in the session table.
1097 *
1098 * @param string Pointer to an associative key in the session data array which is stored serialized in the field "ses_data" of the session table.
1099 * @return mixed
1100 */
1101 function getSessionData($key) {
1102 $sesDat = unserialize($this->user['ses_data']);
1103 return $sesDat[$key];
1104 }
1105
1106 /**
1107 * Sets the session data ($data) for $key and writes all session data (from ->user['ses_data']) to the database.
1108 * The data will last only for this login session since it is stored in the session table.
1109 *
1110 * @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.
1111 * @param mixed The variable to store in index $key
1112 * @return void
1113 */
1114 function setAndSaveSessionData($key, $data) {
1115 $sesDat = unserialize($this->user['ses_data']);
1116 $sesDat[$key] = $data;
1117 $this->user['ses_data'] = serialize($sesDat);
1118
1119 if ($this->writeDevLog) {
1120 t3lib_div::devLog('setAndSaveSessionData: ses_id = ' . $this->user['ses_id'], 't3lib_userAuth');
1121 }
1122 $GLOBALS['TYPO3_DB']->exec_UPDATEquery($this->session_table, 'ses_id=' . $GLOBALS['TYPO3_DB']->fullQuoteStr($this->user['ses_id'], $this->session_table), array('ses_data' => $this->user['ses_data']));
1123 }
1124
1125
1126 /*************************
1127 *
1128 * Misc
1129 *
1130 *************************/
1131
1132 /**
1133 * Returns an info array with Login/Logout data submitted by a form or params
1134 *
1135 * @return array
1136 * @internal
1137 */
1138 function getLoginFormData() {
1139 $loginData = array();
1140 if ($this->getMethodEnabled) {
1141 $loginData['status'] = t3lib_div::_GP($this->formfield_status);
1142 $loginData['uname'] = t3lib_div::_GP($this->formfield_uname);
1143 $loginData['uident'] = t3lib_div::_GP($this->formfield_uident);
1144 $loginData['chalvalue'] = t3lib_div::_GP($this->formfield_chalvalue);
1145 } else {
1146 $loginData['status'] = t3lib_div::_POST($this->formfield_status);
1147 $loginData['uname'] = t3lib_div::_POST($this->formfield_uname);
1148 $loginData['uident'] = t3lib_div::_POST($this->formfield_uident);
1149 $loginData['chalvalue'] = t3lib_div::_POST($this->formfield_chalvalue);
1150 }
1151 $loginData = $this->processLoginData($loginData);
1152
1153 return $loginData;
1154 }
1155
1156 /**
1157 * Processes Login data submitted by a form or params depending on the
1158 * security_level
1159 *
1160 * @param array login data array
1161 * @param string Alternative security_level. Used when authentication services wants to override the default.
1162 * @return array processed login data array
1163 * @internal
1164 */
1165 function processLoginData($loginData, $security_level = '') {
1166 $loginSecurityLevel = $security_level ? $security_level : ($GLOBALS['TYPO3_CONF_VARS'][$this->loginType]['loginSecurityLevel'] ? $GLOBALS['TYPO3_CONF_VARS'][$this->loginType]['loginSecurityLevel'] : $this->security_level);
1167
1168 // Processing data according to the state it was submitted in.
1169 // ($loginSecurityLevel should reflect the security level used on the data being submitted in the login form)
1170 if ($loginSecurityLevel == 'normal') {
1171 $loginData['uident_text'] = $loginData['uident'];
1172 $loginData['uident_challenged'] = (string) md5($loginData['uname'] . ':' . $loginData['uident'] . ':' . $loginData['chalvalue']);
1173 $loginData['uident_superchallenged'] = (string) md5($loginData['uname'] . ':' . (md5($loginData['uident'])) . ':' . $loginData['chalvalue']);
1174 } elseif ($loginSecurityLevel == 'challenged') {
1175 $loginData['uident_text'] = '';
1176 $loginData['uident_challenged'] = $loginData['uident'];
1177 $loginData['uident_superchallenged'] = '';
1178 } elseif ($loginSecurityLevel == 'superchallenged') {
1179 $loginData['uident_text'] = '';
1180 $loginData['uident_challenged'] = '';
1181 $loginData['uident_superchallenged'] = $loginData['uident'];
1182 }
1183
1184 // The password "uident" is set based on the internal security setting of TYPO3
1185 // Example:
1186 // $this->security_level for the backend must be "superchallenged" because passwords are stored as md5-hashes in the be_users table
1187 // $this->security_level for the frontend must be "normal" or "challenged" because passwords are stored as clear-text in the fe_users tables
1188 if ($this->security_level == 'normal') {
1189 $loginData['uident'] = $loginData['uident_text'];
1190 } elseif ($this->security_level == 'challenged') {
1191 $loginData['uident'] = $loginData['uident_challenged'];
1192 } elseif ($this->security_level == 'superchallenged') {
1193 $loginData['uident'] = $loginData['uident_superchallenged'];
1194 }
1195
1196 return $loginData;
1197 }
1198
1199 /**
1200 * Returns an info array which provides additional information for auth services
1201 *
1202 * @return array
1203 * @internal
1204 */
1205 function getAuthInfoArray() {
1206 $authInfo = array();
1207 $authInfo['loginType'] = $this->loginType;
1208 $authInfo['refInfo'] = parse_url(t3lib_div::getIndpEnv('HTTP_REFERER'));
1209 $authInfo['HTTP_HOST'] = t3lib_div::getIndpEnv('HTTP_HOST');
1210 $authInfo['REMOTE_ADDR'] = t3lib_div::getIndpEnv('REMOTE_ADDR');
1211 $authInfo['REMOTE_HOST'] = t3lib_div::getIndpEnv('REMOTE_HOST');
1212 $authInfo['security_level'] = $this->security_level;
1213 $authInfo['showHiddenRecords'] = $this->showHiddenRecords;
1214 // can be overidden in localconf by SVCONF:
1215 $authInfo['db_user']['table'] = $this->user_table;
1216 $authInfo['db_user']['userid_column'] = $this->userid_column;
1217 $authInfo['db_user']['username_column'] = $this->username_column;
1218 $authInfo['db_user']['userident_column'] = $this->userident_column;
1219 $authInfo['db_user']['usergroup_column'] = $this->usergroup_column;
1220 $authInfo['db_user']['enable_clause'] = $this->user_where_clause();
1221 $authInfo['db_user']['checkPidList'] = $this->checkPid ? $this->checkPid_value : '';
1222 $authInfo['db_user']['check_pid_clause'] = $this->checkPid ? ' AND pid IN (' . $GLOBALS['TYPO3_DB']->cleanIntList($authInfo['db_user']['checkPidList']) . ')' : '';
1223 $authInfo['db_groups']['table'] = $this->usergroup_table;
1224 return $authInfo;
1225 }
1226
1227 /**
1228 * Check the login data with the user record data for builtin login methods
1229 *
1230 * @param array user data array
1231 * @param array login data array
1232 * @param string Alternative security_level. Used when authentication services wants to override the default.
1233 * @return boolean TRUE if login data matched
1234 */
1235 function compareUident($user, $loginData, $security_level = '') {
1236
1237 $OK = FALSE;
1238 $security_level = $security_level ? $security_level : $this->security_level;
1239
1240 switch ($security_level) {
1241 case 'superchallenged': // If superchallenged the password in the database ($user[$this->userident_column]) must be a md5-hash of the original password.
1242 case 'challenged':
1243
1244 // Check challenge stored in cookie:
1245 if ($this->challengeStoredInCookie) {
1246 if ($_SESSION['login_challenge'] !== $loginData['chalvalue']) {
1247 if ($this->writeDevLog) {
1248 t3lib_div::devLog('PHP Session stored challenge "' . $_SESSION['login_challenge'] . '" and submitted challenge "' . $loginData['chalvalue'] . '" did not match, so authentication failed!', 't3lib_userAuth', 2);
1249 }
1250 $this->logoff();
1251 return FALSE;
1252 }
1253 }
1254
1255 if ((string) $loginData['uident'] === (string) md5($user[$this->username_column] . ':' . $user[$this->userident_column] . ':' . $loginData['chalvalue'])) {
1256 $OK = TRUE;
1257 }
1258 break;
1259 default: // normal
1260 if ((string) $loginData['uident'] === (string) $user[$this->userident_column]) {
1261 $OK = TRUE;
1262 }
1263 break;
1264 }
1265
1266 return $OK;
1267 }
1268
1269 /**
1270 * Garbage collector, removing old expired sessions.
1271 *
1272 * @return void
1273 * @internal
1274 */
1275 function gc() {
1276 $GLOBALS['TYPO3_DB']->exec_DELETEquery(
1277 $this->session_table,
1278 'ses_tstamp < ' . intval($GLOBALS['EXEC_TIME'] - ($this->gc_time)) .
1279 ' AND ses_name = ' . $GLOBALS['TYPO3_DB']->fullQuoteStr($this->name, $this->session_table)
1280 );
1281 }
1282
1283 /**
1284 * DUMMY: Writes to log database table (in some extension classes)
1285 *
1286 * @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
1287 * @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 !!)
1288 * @param integer $error: flag. 0 = message, 1 = error (user problem), 2 = System Error (which should not happen), 3 = security notice (admin)
1289 * @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
1290 * @param string $details: Default text that follows the message
1291 * @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...
1292 * @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.)
1293 * @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.)
1294 * @param integer $recpid: Special field used by tce_main.php. These ($tablename, $recuid, $recpid) holds the reference to the record which the log-entry is about. (Was used in attic status.php to update the interface.)
1295 * @return void
1296 * @see t3lib_userauthgroup::writelog()
1297 */
1298 function writelog($type, $action, $error, $details_nr, $details, $data, $tablename, $recuid, $recpid) {
1299 }
1300
1301 /**
1302 * DUMMY: Check login failures (in some extension classes)
1303 *
1304 * @return void
1305 * @ignore
1306 */
1307 function checkLogFailures() {
1308 }
1309
1310 /**
1311 * Raw initialization of the be_user with uid=$uid
1312 * 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.
1313 * Will check the users for disabled, start/endtime, etc. ($this->user_where_clause())
1314 *
1315 * @param integer The UID of the backend user to set in ->user
1316 * @return void
1317 * @internal
1318 * @see SC_mod_tools_be_user_index::compareUsers(), SC_mod_user_setup_index::simulateUser(), freesite_admin::startCreate()
1319 */
1320 function setBeUserByUid($uid) {
1321 $this->user = $this->getRawUserByUid($uid);
1322 }
1323
1324 /**
1325 * Raw initialization of the be_user with username=$name
1326 *
1327 * @param string The username to look up.
1328 * @return void
1329 * @see t3lib_userAuth::setBeUserByUid()
1330 * @internal
1331 */
1332 function setBeUserByName($name) {
1333 $this->user = $this->getRawUserByName($name);
1334 }
1335
1336 /**
1337 * Fetching raw user record with uid=$uid
1338 *
1339 * @param integer The UID of the backend user to set in ->user
1340 * @return array user record or FALSE
1341 * @internal
1342 */
1343 function getRawUserByUid($uid) {
1344 $user = FALSE;
1345 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', $this->user_table, 'uid=' . intval($uid) . ' ' . $this->user_where_clause());
1346 if ($dbres) {
1347 $user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres);
1348 $GLOBALS['TYPO3_DB']->sql_free_result($dbres);
1349 }
1350 return $user;
1351 }
1352
1353 /**
1354 * Fetching raw user record with username=$name
1355 *
1356 * @param string The username to look up.
1357 * @return array user record or FALSE
1358 * @see t3lib_userAuth::getUserByUid()
1359 * @internal
1360 */
1361 function getRawUserByName($name) {
1362 $user = FALSE;
1363 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', $this->user_table, 'username=' . $GLOBALS['TYPO3_DB']->fullQuoteStr($name, $this->user_table) . ' ' . $this->user_where_clause());
1364 if ($dbres) {
1365 $user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres);
1366 $GLOBALS['TYPO3_DB']->sql_free_result($dbres);
1367 }
1368 return $user;
1369 }
1370
1371
1372 /*************************
1373 *
1374 * Create/update user - EXPERIMENTAL
1375 *
1376 *************************/
1377
1378 /**
1379 * Get a user from DB by username
1380 * provided for usage from services
1381 *
1382 * @param array User db table definition: $this->db_user
1383 * @param string user name
1384 * @param string additional WHERE clause: " AND ...
1385 * @return mixed user array or FALSE
1386 */
1387 function fetchUserRecord($dbUser, $username, $extraWhere = '') {
1388 $user = FALSE;
1389
1390 $usernameClause = $username ? ($dbUser['username_column'] . '=' . $GLOBALS['TYPO3_DB']->fullQuoteStr($username, $dbUser['table'])) : '';
1391
1392 if ($username || $extraWhere) {
1393
1394 // Look up the user by the username and/or extraWhere:
1395 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
1396 '*',
1397 $dbUser['table'],
1398 $usernameClause .
1399 $dbUser['check_pid_clause'] .
1400 $dbUser['enable_clause'] .
1401 $extraWhere
1402 );
1403
1404 if ($dbres) {
1405 $user = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres);
1406 $GLOBALS['TYPO3_DB']->sql_free_result($dbres);
1407 }
1408 }
1409 return $user;
1410 }
1411 }
1412
1413
1414 if (defined('TYPO3_MODE') && isset($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_userauth.php'])) {
1415 include_once($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_userauth.php']);
1416 }
1417
1418 ?>