Remove print_r() debugging remnant
[Packages/TYPO3.CMS.git] / typo3 / sysext / cms / tslib / class.tslib_feuserauth.php
1 <?php
2 /***************************************************************
3 * Copyright notice
4 *
5 * (c) 1999-2008 Kasper Skaarhoj (kasperYYYY@typo3.com)
6 * All rights reserved
7 *
8 * This script is part of the TYPO3 project. The TYPO3 project is
9 * free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * The GNU General Public License can be found at
15 * http://www.gnu.org/copyleft/gpl.html.
16 * A copy is found in the textfile GPL.txt and important notices to the license
17 * from the author is found in LICENSE.txt distributed with these scripts.
18 *
19 *
20 * This script is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * This copyright notice MUST APPEAR in all copies of the script!
26 ***************************************************************/
27 /**
28 * Front End session user. Login and session data
29 * Included from index_ts.php
30 *
31 * $Id$
32 * Revised for TYPO3 3.6 June/2003 by Kasper Skaarhoj
33 *
34 * @author Kasper Skaarhoj <kasperYYYY@typo3.com>
35 * @author René Fritz <r.fritz@colorcube.de>
36 */
37 /**
38 * [CLASS/FUNCTION INDEX of SCRIPT]
39 *
40 *
41 *
42 * 79: class tslib_feUserAuth extends t3lib_userAuth
43 * 143: function fetchGroupData()
44 * 233: function getUserTSconf()
45 *
46 * SECTION: Session data management functions
47 * 278: function fetchSessionData()
48 * 300: function storeSessionData()
49 * 326: function getKey($type,$key)
50 * 351: function setKey($type,$key,$data)
51 * 377: function record_registration($recs,$maxSizeOfSessionData=0)
52 *
53 * TOTAL FUNCTIONS: 7
54 * (This index is automatically created/updated by the extension "extdeveval")
55 *
56 */
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69
70
71 /**
72 * Extension class for Front End User Authentication.
73 *
74 * @author Kasper Skaarhoj <kasperYYYY@typo3.com>
75 * @author René Fritz <r.fritz@colorcube.de>
76 * @package TYPO3
77 * @subpackage tslib
78 */
79 class tslib_feUserAuth extends t3lib_userAuth {
80 var $session_table = 'fe_sessions'; // Table to use for session data.
81 var $name = 'fe_typo_user'; // Session/Cookie name
82 var $get_name = 'ftu'; // Session/GET-var name
83
84 var $user_table = 'fe_users'; // Table in database with userdata
85 var $username_column = 'username'; // Column for login-name
86 var $userident_column = 'password'; // Column for password
87 var $userid_column = 'uid'; // Column for user-id
88 var $lastLogin_column = 'lastlogin';
89
90 var $enablecolumns = Array (
91 'deleted' => 'deleted',
92 'disabled' => 'disable',
93 'starttime' => 'starttime',
94 'endtime' => 'endtime'
95 );
96 var $formfield_uname = 'user'; // formfield with login-name
97 var $formfield_uident = 'pass'; // formfield with password
98 var $formfield_chalvalue = 'challenge'; // formfield with a unique value which is used to encrypt the password and username
99 var $formfield_status = 'logintype'; // formfield with status: *'login', 'logout'
100 var $formfield_permanent = 'permalogin'; // formfield with 0 or 1 // 1 = permanent login enabled // 0 = session is valid for a browser session only
101 var $security_level = ''; // sets the level of security. *'normal' = clear-text. 'challenged' = hashed password/username from form in $formfield_uident. 'superchallenged' = hashed password hashed again with username.
102
103 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.
104
105 var $auth_timeout_field = 6000; // 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.
106
107 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.
108 var $sendNoCacheHeaders = 0;
109 var $getFallBack = 1; // 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
110 var $hash_length = 10;
111 var $getMethodEnabled = 1; // Login may be supplied by url.
112
113 var $usergroup_column = 'usergroup';
114 var $usergroup_table = 'fe_groups';
115 var $groupData = Array(
116 'title' =>Array(),
117 'uid' =>Array(),
118 'pid' =>Array()
119 );
120 var $TSdataArray=array(); // Used to accumulate the TSconfig data of the user
121 var $userTS = array();
122 var $userTSUpdated=0;
123 var $showHiddenRecords=0;
124
125 // Session and user data:
126 /*
127 There are two types of data that can be stored: UserData and Session-Data. Userdata is for the login-user, and session-data for anyone viewing the pages.
128 'Keys' are keys in the internal dataarray of the data. When you get or set a key in one of the data-spaces (user or session) you decide the type of the variable (not object though)
129 'Reserved' keys are:
130 - 'recs': Array: Used to 'register' records, eg in a shopping basket. Structure: [recs][tablename][record_uid]=number
131 - sys: Reserved for TypoScript standard code.
132 */
133 var $sesData = Array();
134 var $sesData_change = 0;
135 var $userData_change = 0;
136
137
138 /**
139 * Starts a user session
140 *
141 * @return void
142 * @see t3lib_userAuth::start()
143 */
144 function start() {
145 if (intval($this->auth_timeout_field)>0 && intval($this->auth_timeout_field) < $this->lifetime) {
146 // If server session timeout is non-zero but less than client session timeout: Copy this value instead.
147 $this->auth_timeout_field = $this->lifetime;
148 }
149
150 parent::start();
151 }
152
153 /**
154 * Returns a new session record for the current user for insertion into the DB.
155 *
156 * @return array user session record
157 */
158 function getNewSessionRecord($tempuser) {
159 $insertFields = parent::getNewSessionRecord($tempuser);
160 $insertFields['ses_permanent'] = $this->is_permanent;
161
162 return $insertFields;
163 }
164
165 /**
166 * Determine whether a session cookie needs to be set (lifetime=0)
167 *
168 * @return boolean
169 * @internal
170 */
171 function isSetSessionCookie() {
172 $retVal = ($this->newSessionID || $this->forceSetCookie) && ($this->lifetime==0 || !$this->user['ses_permanent']);
173 return $retVal;
174 }
175
176 /**
177 * Determine whether a non-session cookie needs to be set (lifetime>0)
178 *
179 * @return boolean
180 * @internal
181 */
182 function isRefreshTimeBasedCookie() {
183 return $this->lifetime > 0 && $this->user['ses_permanent'];
184 }
185
186 /**
187 * Returns an info array with Login/Logout data submitted by a form or params
188 *
189 * @return array
190 * @see t3lib_userAuth::getLoginFormData()
191 */
192 function getLoginFormData() {
193 $loginData = parent::getLoginFormData();
194 if($GLOBALS['TYPO3_CONF_VARS']['FE']['permalogin'] == 0 || $GLOBALS['TYPO3_CONF_VARS']['FE']['permalogin'] == 1) {
195 if ($this->getMethodEnabled) {
196 $isPermanent = t3lib_div::_GP($this->formfield_permanent);
197 } else {
198 $isPermanent = t3lib_div::_POST($this->formfield_permanent);
199 }
200 if(strlen($isPermanent) != 1) {
201 $isPermanent = $GLOBALS['TYPO3_CONF_VARS']['FE']['permalogin'];
202 } elseif(!$isPermanent) {
203 $this->forceSetCookie = true; // To make sure the user gets a session cookie and doesn't keep a possibly existing time based cookie, we need to force seeting the session cookie here
204 }
205 $isPermanent = $isPermanent?1:0;
206 } elseif($GLOBALS['TYPO3_CONF_VARS']['FE']['permalogin'] == 2) {
207 $isPermanent = 1;
208 } else {
209 $isPermanent = 0;
210 }
211 $loginData['permanent'] = $isPermanent;
212 $this->is_permanent = $isPermanent;
213
214 return $loginData;
215 }
216
217 /**
218 * Will select all fe_groups records that the current fe_user is member of - and which groups are also allowed in the current domain.
219 * It also accumulates the TSconfig for the fe_user/fe_groups in ->TSdataArray
220 *
221 * @return integer Returns the number of usergroups for the frontend users (if the internal user record exists and the usergroup field contains a value)
222 */
223 function fetchGroupData() {
224 $this->TSdataArray = array();
225 $this->userTS = array();
226 $this->userTSUpdated = 0;
227 $this->groupData = Array(
228 'title' => Array(),
229 'uid' => Array(),
230 'pid' => Array()
231 );
232
233 // Setting default configuration:
234 $this->TSdataArray[]=$GLOBALS['TYPO3_CONF_VARS']['FE']['defaultUserTSconfig'];
235
236 // get the info data for auth services
237 $authInfo = $this->getAuthInfoArray();
238
239 if ($this->writeDevLog) {
240 if (is_array($this->user)) {
241 t3lib_div::devLog('Get usergroups for user: '.t3lib_div::arrayToLogString($this->user, array($this->userid_column,$this->username_column)), 'tslib_feUserAuth');
242 } else {
243 t3lib_div::devLog('Get usergroups for "anonymous" user', 'tslib_feUserAuth');
244 }
245 }
246
247 $groupDataArr = array();
248
249 // use 'auth' service to find the groups for the user
250 $serviceChain='';
251 $subType = 'getGroups'.$this->loginType;
252 while (is_object($serviceObj = t3lib_div::makeInstanceService('auth', $subType, $serviceChain))) {
253 $serviceChain.=','.$serviceObj->getServiceKey();
254 $serviceObj->initAuth($subType, array(), $authInfo, $this);
255
256 $groupData = $serviceObj->getGroups($this->user, $groupDataArr);
257 if (is_array($groupData) && count($groupData)) {
258 $groupDataArr = t3lib_div::array_merge($groupDataArr, $groupData); // Keys in $groupData should be unique ids of the groups (like "uid") so this function will override groups.
259 }
260 unset($serviceObj);
261 }
262 if ($this->writeDevLog AND $serviceChain) t3lib_div::devLog($subType.' auth services called: '.$serviceChain, 'tslib_feUserAuth');
263 if ($this->writeDevLog AND !count($groupDataArr)) t3lib_div::devLog('No usergroups found by services', 'tslib_feUserAuth');
264 if ($this->writeDevLog AND count($groupDataArr)) t3lib_div::devLog(count($groupDataArr).' usergroup records found by services', 'tslib_feUserAuth');
265
266
267 // use 'auth' service to check the usergroups if they are really valid
268 foreach ($groupDataArr as $groupData) {
269 // by default a group is valid
270 $validGroup = TRUE;
271
272 $serviceChain='';
273 $subType = 'authGroups'.$this->loginType;
274 while (is_object($serviceObj = t3lib_div::makeInstanceService('auth', $subType, $serviceChain))) {
275 $serviceChain.=','.$serviceObj->getServiceKey();
276 $serviceObj->initAuth($subType, array(), $authInfo, $this);
277
278 if (!$serviceObj->authGroup($this->user, $groupData)) {
279 $validGroup = FALSE;
280 if ($this->writeDevLog) t3lib_div::devLog($subType.' auth service did not auth group: '.t3lib_div::arrayToLogString($groupData, 'uid,title'), 'tslib_feUserAuth', 2);
281
282 break;
283 }
284 unset($serviceObj);
285 }
286 unset($serviceObj);
287
288 if ($validGroup) {
289 $this->groupData['title'][$groupData['uid']]=$groupData['title'];
290 $this->groupData['uid'][$groupData['uid']]=$groupData['uid'];
291 $this->groupData['pid'][$groupData['uid']]=$groupData['pid'];
292 $this->groupData['TSconfig'][$groupData['uid']]=$groupData['TSconfig'];
293 }
294 }
295
296 if (count($this->groupData) && count($this->groupData['TSconfig'])) {
297 // TSconfig: collect it in the order it was collected
298 foreach($this->groupData['TSconfig'] as $TSdata) {
299 $this->TSdataArray[]=$TSdata;
300 }
301
302 $this->TSdataArray[]=$this->user['TSconfig'];
303
304 // Sort information
305 ksort($this->groupData['title']);
306 ksort($this->groupData['uid']);
307 ksort($this->groupData['pid']);
308 }
309
310 return count($this->groupData['uid']) ? count($this->groupData['uid']) : 0;
311 }
312
313 /**
314 * Returns the parsed TSconfig for the fe_user
315 * First time this function is called it will parse the TSconfig and store it in $this->userTS. Subsequent requests will not re-parse the TSconfig but simply return what is already in $this->userTS
316 *
317 * @return array TSconfig array for the fe_user
318 */
319 function getUserTSconf() {
320 if (!$this->userTSUpdated) {
321 // Parsing the user TS (or getting from cache)
322 $this->TSdataArray = t3lib_TSparser::checkIncludeLines_array($this->TSdataArray);
323 $userTS = implode(chr(10).'[GLOBAL]'.chr(10),$this->TSdataArray);
324 $parseObj = t3lib_div::makeInstance('t3lib_TSparser');
325 $parseObj->parse($userTS);
326 $this->userTS = $parseObj->setup;
327
328 $this->userTSUpdated=1;
329 }
330 return $this->userTS;
331 }
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349 /*****************************************
350 *
351 * Session data management functions
352 *
353 ****************************************/
354
355 /**
356 * Fetches the session data for the user (from the fe_session_data table) based on the ->id of the current user-session.
357 * The session data is restored to $this->sesData
358 * 1/100 calls will also do a garbage collection.
359 *
360 * @return void
361 * @access private
362 * @see storeSessionData()
363 */
364 function fetchSessionData() {
365 // Gets SesData if any
366 if ($this->id) {
367 $dbres = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', 'fe_session_data', 'hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, 'fe_session_data'));
368 if ($sesDataRow = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($dbres)) {
369 $this->sesData = unserialize($sesDataRow['content']);
370 }
371 }
372 // delete old data:
373 if ((rand()%100) <= 1) { // a possibility of 1 % for garbage collection.
374 $GLOBALS['TYPO3_DB']->exec_DELETEquery('fe_session_data', 'tstamp < '.intval(time()-3600*24)); // all data older than 24 hours are deleted.
375 }
376 }
377
378 /**
379 * Will write UC and session data.
380 * If the flag $this->userData_change has been set, the function ->writeUC is called (which will save persistent user session data)
381 * If the flag $this->sesData_change has been set, the fe_session_data table is updated with the content of $this->sesData (deleting any old record, inserting new)
382 *
383 * @return void
384 * @see fetchSessionData(), getKey(), setKey()
385 */
386 function storeSessionData() {
387 // Saves UC and SesData if changed.
388 if ($this->userData_change) {
389 $this->writeUC('');
390 }
391 if ($this->sesData_change) {
392 if ($this->id) {
393 $insertFields = array (
394 'hash' => $this->id,
395 'content' => serialize($this->sesData),
396 'tstamp' => time()
397 );
398 $GLOBALS['TYPO3_DB']->exec_DELETEquery('fe_session_data', 'hash='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->id, 'fe_session_data'));
399 $GLOBALS['TYPO3_DB']->exec_INSERTquery('fe_session_data', $insertFields);
400 }
401 }
402 }
403
404 /**
405 * Returns session data for the fe_user; Either persistent data following the fe_users uid/profile (requires login) or current-session based (not available when browse is closed, but does not require login)
406 *
407 * @param string Session data type; Either "user" (persistent, bound to fe_users profile) or "ses" (temporary, bound to current session cookie)
408 * @param string Key from the data array to return; The session data (in either case) is an array ($this->uc / $this->sesData) and this value determines which key to return the value for.
409 * @return mixed Returns whatever value there was in the array for the key, $key
410 * @see setKey()
411 */
412 function getKey($type,$key) {
413 if ($key) {
414 switch($type) {
415 case 'user':
416 return $this->uc[$key];
417 break;
418 case 'ses':
419 return $this->sesData[$key];
420 break;
421 }
422 }
423 }
424
425 /**
426 * Saves session data, either persistent or bound to current session cookie. Please see getKey() for more details.
427 * When a value is set the flags $this->userData_change or $this->sesData_change will be set so that the final call to ->storeSessionData() will know if a change has occurred and needs to be saved to the database.
428 * Notice: The key "recs" is already used by the function record_registration() which stores table/uid=value pairs in that key. This is used for the shopping basket among other things.
429 * Notice: Simply calling this function will not save the data to the database! The actual saving is done in storeSessionData() which is called as some of the last things in index_ts.php. So if you exit before this point, nothing gets saved of course! And the solution is to call $GLOBALS['TSFE']->storeSessionData(); before you exit.
430 *
431 * @param string Session data type; Either "user" (persistent, bound to fe_users profile) or "ses" (temporary, bound to current session cookie)
432 * @param string Key from the data array to store incoming data in; The session data (in either case) is an array ($this->uc / $this->sesData) and this value determines in which key the $data value will be stored.
433 * @param mixed The data value to store in $key
434 * @return void
435 * @see setKey(), storeSessionData(), record_registration()
436 */
437 function setKey($type,$key,$data) {
438 if ($key) {
439 switch($type) {
440 case 'user':
441 if ($this->user['uid']) {
442 $this->uc[$key]=$data;
443 $this->userData_change=1;
444 }
445 break;
446 case 'ses':
447 $this->sesData[$key]=$data;
448 $this->sesData_change=1;
449 break;
450 }
451 }
452 }
453
454 /**
455 * Registration of records/"shopping basket" in session data
456 * This will take the input array, $recs, and merge into the current "recs" array found in the session data.
457 * If a change in the recs storage happens (which it probably does) the function setKey() is called in order to store the array again.
458 *
459 * @param array The data array to merge into/override the current recs values. The $recs array is constructed as [table]][uid] = scalar-value (eg. string/integer).
460 * @param integer The maximum size of stored session data. If zero, no limit is applied and even confirmation of cookie session is discarded.
461 * @return void
462 */
463 function record_registration($recs,$maxSizeOfSessionData=0) {
464
465 // Storing value ONLY if there is a confirmed cookie set (->cookieID), otherwise a shellscript could easily be spamming the fe_sessions table with bogus content and thus bloat the database
466 if (!$maxSizeOfSessionData || $this->cookieId===$this->id) {
467 if ($recs['clear_all']) {
468 $this->setKey('ses','recs','');
469 }
470 $change=0;
471 $recs_array=$this->getKey('ses','recs');
472 reset($recs);
473 while(list($table,$data)=each($recs)) {
474 if (is_array($data)) {
475 reset($data);
476 while(list($rec_id,$value)=each($data)) {
477 if ($value != $recs_array[$table][$rec_id]) {
478 $recs_array[$table][$rec_id] = $value;
479 $change=1;
480 }
481 }
482 }
483 }
484 if ($change && (!$maxSizeOfSessionData || strlen(serialize($recs_array))<$maxSizeOfSessionData)) {
485 $this->setKey('ses','recs',$recs_array);
486 }
487 }
488 }
489 }
490
491
492 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['tslib/class.tslib_feuserauth.php']) {
493 include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['tslib/class.tslib_feuserauth.php']);
494 }
495 ?>