Remove unused $pageSet var
[lhc/web/wiklou.git] / includes / User.php
1 <?php
2 /**
3 * Implements the User class for the %MediaWiki software.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
19 *
20 * @file
21 */
22
23 /**
24 * String Some punctuation to prevent editing from broken text-mangling proxies.
25 * @ingroup Constants
26 */
27 define( 'EDIT_TOKEN_SUFFIX', '+\\' );
28
29 /**
30 * The User object encapsulates all of the user-specific settings (user_id,
31 * name, rights, password, email address, options, last login time). Client
32 * classes use the getXXX() functions to access these fields. These functions
33 * do all the work of determining whether the user is logged in,
34 * whether the requested option can be satisfied from cookies or
35 * whether a database query is needed. Most of the settings needed
36 * for rendering normal pages are set in the cookie to minimize use
37 * of the database.
38 */
39 class User implements IDBAccessObject {
40 /**
41 * @const int Number of characters in user_token field.
42 */
43 const TOKEN_LENGTH = 32;
44
45 /**
46 * Global constant made accessible as class constants so that autoloader
47 * magic can be used.
48 */
49 const EDIT_TOKEN_SUFFIX = EDIT_TOKEN_SUFFIX;
50
51 /**
52 * @const int Serialized record version.
53 */
54 const VERSION = 10;
55
56 /**
57 * Maximum items in $mWatchedItems
58 */
59 const MAX_WATCHED_ITEMS_CACHE = 100;
60
61 /**
62 * Exclude user options that are set to their default value.
63 * @since 1.25
64 */
65 const GETOPTIONS_EXCLUDE_DEFAULTS = 1;
66
67 /**
68 * @var PasswordFactory Lazily loaded factory object for passwords
69 */
70 private static $mPasswordFactory = null;
71
72 /**
73 * Array of Strings List of member variables which are saved to the
74 * shared cache (memcached). Any operation which changes the
75 * corresponding database fields must call a cache-clearing function.
76 * @showinitializer
77 */
78 protected static $mCacheVars = array(
79 // user table
80 'mId',
81 'mName',
82 'mRealName',
83 'mEmail',
84 'mTouched',
85 'mToken',
86 'mEmailAuthenticated',
87 'mEmailToken',
88 'mEmailTokenExpires',
89 'mRegistration',
90 'mEditCount',
91 // user_groups table
92 'mGroups',
93 // user_properties table
94 'mOptionOverrides',
95 );
96
97 /**
98 * Array of Strings Core rights.
99 * Each of these should have a corresponding message of the form
100 * "right-$right".
101 * @showinitializer
102 */
103 protected static $mCoreRights = array(
104 'apihighlimits',
105 'applychangetags',
106 'autoconfirmed',
107 'autopatrol',
108 'bigdelete',
109 'block',
110 'blockemail',
111 'bot',
112 'browsearchive',
113 'changetags',
114 'createaccount',
115 'createpage',
116 'createtalk',
117 'delete',
118 'deletedhistory',
119 'deletedtext',
120 'deletelogentry',
121 'deleterevision',
122 'edit',
123 'editcontentmodel',
124 'editinterface',
125 'editprotected',
126 'editmyoptions',
127 'editmyprivateinfo',
128 'editmyusercss',
129 'editmyuserjs',
130 'editmywatchlist',
131 'editsemiprotected',
132 'editusercssjs', #deprecated
133 'editusercss',
134 'edituserjs',
135 'hideuser',
136 'import',
137 'importupload',
138 'ipblock-exempt',
139 'managechangetags',
140 'markbotedits',
141 'mergehistory',
142 'minoredit',
143 'move',
144 'movefile',
145 'move-categorypages',
146 'move-rootuserpages',
147 'move-subpages',
148 'nominornewtalk',
149 'noratelimit',
150 'override-export-depth',
151 'pagelang',
152 'passwordreset',
153 'patrol',
154 'patrolmarks',
155 'protect',
156 'proxyunbannable',
157 'purge',
158 'read',
159 'reupload',
160 'reupload-own',
161 'reupload-shared',
162 'rollback',
163 'sendemail',
164 'siteadmin',
165 'suppressionlog',
166 'suppressredirect',
167 'suppressrevision',
168 'unblockself',
169 'undelete',
170 'unwatchedpages',
171 'upload',
172 'upload_by_url',
173 'userrights',
174 'userrights-interwiki',
175 'viewmyprivateinfo',
176 'viewmywatchlist',
177 'viewsuppressed',
178 'writeapi',
179 );
180
181 /**
182 * String Cached results of getAllRights()
183 */
184 protected static $mAllRights = false;
185
186 /** Cache variables */
187 //@{
188 public $mId;
189 /** @var string */
190 public $mName;
191 /** @var string */
192 public $mRealName;
193 /**
194 * @todo Make this actually private
195 * @private
196 * @var Password
197 */
198 public $mPassword;
199 /**
200 * @todo Make this actually private
201 * @private
202 * @var Password
203 */
204 public $mNewpassword;
205 /** @var string */
206 public $mNewpassTime;
207 /** @var string */
208 public $mEmail;
209 /** @var string TS_MW timestamp from the DB */
210 public $mTouched;
211 /** @var string TS_MW timestamp from cache */
212 protected $mQuickTouched;
213 /** @var string */
214 protected $mToken;
215 /** @var string */
216 public $mEmailAuthenticated;
217 /** @var string */
218 protected $mEmailToken;
219 /** @var string */
220 protected $mEmailTokenExpires;
221 /** @var string */
222 protected $mRegistration;
223 /** @var int */
224 protected $mEditCount;
225 /** @var array */
226 public $mGroups;
227 /** @var array */
228 protected $mOptionOverrides;
229 /** @var string */
230 protected $mPasswordExpires;
231 //@}
232
233 /**
234 * Bool Whether the cache variables have been loaded.
235 */
236 //@{
237 public $mOptionsLoaded;
238
239 /**
240 * Array with already loaded items or true if all items have been loaded.
241 */
242 protected $mLoadedItems = array();
243 //@}
244
245 /**
246 * String Initialization data source if mLoadedItems!==true. May be one of:
247 * - 'defaults' anonymous user initialised from class defaults
248 * - 'name' initialise from mName
249 * - 'id' initialise from mId
250 * - 'session' log in from cookies or session if possible
251 *
252 * Use the User::newFrom*() family of functions to set this.
253 */
254 public $mFrom;
255
256 /**
257 * Lazy-initialized variables, invalidated with clearInstanceCache
258 */
259 protected $mNewtalk;
260 /** @var string */
261 protected $mDatePreference;
262 /** @var string */
263 public $mBlockedby;
264 /** @var string */
265 protected $mHash;
266 /** @var array */
267 public $mRights;
268 /** @var string */
269 protected $mBlockreason;
270 /** @var array */
271 protected $mEffectiveGroups;
272 /** @var array */
273 protected $mImplicitGroups;
274 /** @var array */
275 protected $mFormerGroups;
276 /** @var bool */
277 protected $mBlockedGlobally;
278 /** @var bool */
279 protected $mLocked;
280 /** @var bool */
281 public $mHideName;
282 /** @var array */
283 public $mOptions;
284
285 /**
286 * @var WebRequest
287 */
288 private $mRequest;
289
290 /** @var Block */
291 public $mBlock;
292
293 /** @var bool */
294 protected $mAllowUsertalk;
295
296 /** @var Block */
297 private $mBlockedFromCreateAccount = false;
298
299 /** @var array */
300 private $mWatchedItems = array();
301
302 /** @var integer User::READ_* constant bitfield used to load data */
303 protected $queryFlagsUsed = self::READ_NORMAL;
304
305 public static $idCacheByName = array();
306
307 /**
308 * Lightweight constructor for an anonymous user.
309 * Use the User::newFrom* factory functions for other kinds of users.
310 *
311 * @see newFromName()
312 * @see newFromId()
313 * @see newFromConfirmationCode()
314 * @see newFromSession()
315 * @see newFromRow()
316 */
317 public function __construct() {
318 $this->clearInstanceCache( 'defaults' );
319 }
320
321 /**
322 * @return string
323 */
324 public function __toString() {
325 return $this->getName();
326 }
327
328 /**
329 * Load the user table data for this object from the source given by mFrom.
330 *
331 * @param integer $flags User::READ_* constant bitfield
332 */
333 public function load( $flags = self::READ_NORMAL ) {
334 if ( $this->mLoadedItems === true ) {
335 return;
336 }
337
338 // Set it now to avoid infinite recursion in accessors
339 $this->mLoadedItems = true;
340 $this->queryFlagsUsed = $flags;
341
342 switch ( $this->mFrom ) {
343 case 'defaults':
344 $this->loadDefaults();
345 break;
346 case 'name':
347 // Make sure this thread sees its own changes
348 if ( wfGetLB()->hasOrMadeRecentMasterChanges() ) {
349 $flags |= self::READ_LATEST;
350 $this->queryFlagsUsed = $flags;
351 }
352
353 $this->mId = self::idFromName( $this->mName, $flags );
354 if ( !$this->mId ) {
355 // Nonexistent user placeholder object
356 $this->loadDefaults( $this->mName );
357 } else {
358 $this->loadFromId( $flags );
359 }
360 break;
361 case 'id':
362 $this->loadFromId( $flags );
363 break;
364 case 'session':
365 if ( !$this->loadFromSession() ) {
366 // Loading from session failed. Load defaults.
367 $this->loadDefaults();
368 }
369 Hooks::run( 'UserLoadAfterLoadFromSession', array( $this ) );
370 break;
371 default:
372 throw new UnexpectedValueException(
373 "Unrecognised value for User->mFrom: \"{$this->mFrom}\"" );
374 }
375 }
376
377 /**
378 * Load user table data, given mId has already been set.
379 * @param integer $flags User::READ_* constant bitfield
380 * @return bool False if the ID does not exist, true otherwise
381 */
382 public function loadFromId( $flags = self::READ_NORMAL ) {
383 if ( $this->mId == 0 ) {
384 $this->loadDefaults();
385 return false;
386 }
387
388 // Try cache (unless this needs to lock the DB).
389 // NOTE: if this thread called saveSettings(), the cache was cleared.
390 $locking = ( ( $flags & self::READ_LOCKING ) == self::READ_LOCKING );
391 if ( $locking || !$this->loadFromCache() ) {
392 wfDebug( "User: cache miss for user {$this->mId}\n" );
393 // Load from DB (make sure this thread sees its own changes)
394 if ( wfGetLB()->hasOrMadeRecentMasterChanges() ) {
395 $flags |= self::READ_LATEST;
396 }
397 if ( !$this->loadFromDatabase( $flags ) ) {
398 // Can't load from ID, user is anonymous
399 return false;
400 }
401 $this->saveToCache();
402 }
403
404 $this->mLoadedItems = true;
405 $this->queryFlagsUsed = $flags;
406
407 return true;
408 }
409
410 /**
411 * Load user data from shared cache, given mId has already been set.
412 *
413 * @return bool false if the ID does not exist or data is invalid, true otherwise
414 * @since 1.25
415 */
416 protected function loadFromCache() {
417 if ( $this->mId == 0 ) {
418 $this->loadDefaults();
419 return false;
420 }
421
422 $key = wfMemcKey( 'user', 'id', $this->mId );
423 $data = ObjectCache::getMainWANInstance()->get( $key );
424 if ( !is_array( $data ) || $data['mVersion'] < self::VERSION ) {
425 // Object is expired
426 return false;
427 }
428
429 wfDebug( "User: got user {$this->mId} from cache\n" );
430
431 // Restore from cache
432 foreach ( self::$mCacheVars as $name ) {
433 $this->$name = $data[$name];
434 }
435
436 return true;
437 }
438
439 /**
440 * Save user data to the shared cache
441 *
442 * This method should not be called outside the User class
443 */
444 public function saveToCache() {
445 $this->load();
446 $this->loadGroups();
447 $this->loadOptions();
448
449 if ( $this->isAnon() ) {
450 // Anonymous users are uncached
451 return;
452 }
453
454 $data = array();
455 foreach ( self::$mCacheVars as $name ) {
456 $data[$name] = $this->$name;
457 }
458 $data['mVersion'] = self::VERSION;
459 $key = wfMemcKey( 'user', 'id', $this->mId );
460
461 ObjectCache::getMainWANInstance()->set( $key, $data, 3600 );
462 }
463
464 /** @name newFrom*() static factory methods */
465 //@{
466
467 /**
468 * Static factory method for creation from username.
469 *
470 * This is slightly less efficient than newFromId(), so use newFromId() if
471 * you have both an ID and a name handy.
472 *
473 * @param string $name Username, validated by Title::newFromText()
474 * @param string|bool $validate Validate username. Takes the same parameters as
475 * User::getCanonicalName(), except that true is accepted as an alias
476 * for 'valid', for BC.
477 *
478 * @return User|bool User object, or false if the username is invalid
479 * (e.g. if it contains illegal characters or is an IP address). If the
480 * username is not present in the database, the result will be a user object
481 * with a name, zero user ID and default settings.
482 */
483 public static function newFromName( $name, $validate = 'valid' ) {
484 if ( $validate === true ) {
485 $validate = 'valid';
486 }
487 $name = self::getCanonicalName( $name, $validate );
488 if ( $name === false ) {
489 return false;
490 } else {
491 // Create unloaded user object
492 $u = new User;
493 $u->mName = $name;
494 $u->mFrom = 'name';
495 $u->setItemLoaded( 'name' );
496 return $u;
497 }
498 }
499
500 /**
501 * Static factory method for creation from a given user ID.
502 *
503 * @param int $id Valid user ID
504 * @return User The corresponding User object
505 */
506 public static function newFromId( $id ) {
507 $u = new User;
508 $u->mId = $id;
509 $u->mFrom = 'id';
510 $u->setItemLoaded( 'id' );
511 return $u;
512 }
513
514 /**
515 * Factory method to fetch whichever user has a given email confirmation code.
516 * This code is generated when an account is created or its e-mail address
517 * has changed.
518 *
519 * If the code is invalid or has expired, returns NULL.
520 *
521 * @param string $code Confirmation code
522 * @param int $flags User::READ_* bitfield
523 * @return User|null
524 */
525 public static function newFromConfirmationCode( $code, $flags = 0 ) {
526 $db = ( $flags & self::READ_LATEST ) == self::READ_LATEST
527 ? wfGetDB( DB_MASTER )
528 : wfGetDB( DB_SLAVE );
529
530 $id = $db->selectField(
531 'user',
532 'user_id',
533 array(
534 'user_email_token' => md5( $code ),
535 'user_email_token_expires > ' . $db->addQuotes( $db->timestamp() ),
536 )
537 );
538
539 return $id ? User::newFromId( $id ) : null;
540 }
541
542 /**
543 * Create a new user object using data from session or cookies. If the
544 * login credentials are invalid, the result is an anonymous user.
545 *
546 * @param WebRequest|null $request Object to use; $wgRequest will be used if omitted.
547 * @return User
548 */
549 public static function newFromSession( WebRequest $request = null ) {
550 $user = new User;
551 $user->mFrom = 'session';
552 $user->mRequest = $request;
553 return $user;
554 }
555
556 /**
557 * Create a new user object from a user row.
558 * The row should have the following fields from the user table in it:
559 * - either user_name or user_id to load further data if needed (or both)
560 * - user_real_name
561 * - all other fields (email, password, etc.)
562 * It is useless to provide the remaining fields if either user_id,
563 * user_name and user_real_name are not provided because the whole row
564 * will be loaded once more from the database when accessing them.
565 *
566 * @param stdClass $row A row from the user table
567 * @param array $data Further data to load into the object (see User::loadFromRow for valid keys)
568 * @return User
569 */
570 public static function newFromRow( $row, $data = null ) {
571 $user = new User;
572 $user->loadFromRow( $row, $data );
573 return $user;
574 }
575
576 //@}
577
578 /**
579 * Get the username corresponding to a given user ID
580 * @param int $id User ID
581 * @return string|bool The corresponding username
582 */
583 public static function whoIs( $id ) {
584 return UserCache::singleton()->getProp( $id, 'name' );
585 }
586
587 /**
588 * Get the real name of a user given their user ID
589 *
590 * @param int $id User ID
591 * @return string|bool The corresponding user's real name
592 */
593 public static function whoIsReal( $id ) {
594 return UserCache::singleton()->getProp( $id, 'real_name' );
595 }
596
597 /**
598 * Get database id given a user name
599 * @param string $name Username
600 * @param integer $flags User::READ_* constant bitfield
601 * @return int|null The corresponding user's ID, or null if user is nonexistent
602 */
603 public static function idFromName( $name, $flags = self::READ_NORMAL ) {
604 $nt = Title::makeTitleSafe( NS_USER, $name );
605 if ( is_null( $nt ) ) {
606 // Illegal name
607 return null;
608 }
609
610 if ( isset( self::$idCacheByName[$name] ) ) {
611 return self::$idCacheByName[$name];
612 }
613
614 $db = ( $flags & self::READ_LATEST )
615 ? wfGetDB( DB_MASTER )
616 : wfGetDB( DB_SLAVE );
617
618 $s = $db->selectRow(
619 'user',
620 array( 'user_id' ),
621 array( 'user_name' => $nt->getText() ),
622 __METHOD__
623 );
624
625 if ( $s === false ) {
626 $result = null;
627 } else {
628 $result = $s->user_id;
629 }
630
631 self::$idCacheByName[$name] = $result;
632
633 if ( count( self::$idCacheByName ) > 1000 ) {
634 self::$idCacheByName = array();
635 }
636
637 return $result;
638 }
639
640 /**
641 * Reset the cache used in idFromName(). For use in tests.
642 */
643 public static function resetIdByNameCache() {
644 self::$idCacheByName = array();
645 }
646
647 /**
648 * Does the string match an anonymous IPv4 address?
649 *
650 * This function exists for username validation, in order to reject
651 * usernames which are similar in form to IP addresses. Strings such
652 * as 300.300.300.300 will return true because it looks like an IP
653 * address, despite not being strictly valid.
654 *
655 * We match "\d{1,3}\.\d{1,3}\.\d{1,3}\.xxx" as an anonymous IP
656 * address because the usemod software would "cloak" anonymous IP
657 * addresses like this, if we allowed accounts like this to be created
658 * new users could get the old edits of these anonymous users.
659 *
660 * @param string $name Name to match
661 * @return bool
662 */
663 public static function isIP( $name ) {
664 return preg_match( '/^\d{1,3}\.\d{1,3}\.\d{1,3}\.(?:xxx|\d{1,3})$/', $name )
665 || IP::isIPv6( $name );
666 }
667
668 /**
669 * Is the input a valid username?
670 *
671 * Checks if the input is a valid username, we don't want an empty string,
672 * an IP address, anything that contains slashes (would mess up subpages),
673 * is longer than the maximum allowed username size or doesn't begin with
674 * a capital letter.
675 *
676 * @param string $name Name to match
677 * @return bool
678 */
679 public static function isValidUserName( $name ) {
680 global $wgContLang, $wgMaxNameChars;
681
682 if ( $name == ''
683 || User::isIP( $name )
684 || strpos( $name, '/' ) !== false
685 || strlen( $name ) > $wgMaxNameChars
686 || $name != $wgContLang->ucfirst( $name )
687 ) {
688 wfDebugLog( 'username', __METHOD__ .
689 ": '$name' invalid due to empty, IP, slash, length, or lowercase" );
690 return false;
691 }
692
693 // Ensure that the name can't be misresolved as a different title,
694 // such as with extra namespace keys at the start.
695 $parsed = Title::newFromText( $name );
696 if ( is_null( $parsed )
697 || $parsed->getNamespace()
698 || strcmp( $name, $parsed->getPrefixedText() ) ) {
699 wfDebugLog( 'username', __METHOD__ .
700 ": '$name' invalid due to ambiguous prefixes" );
701 return false;
702 }
703
704 // Check an additional blacklist of troublemaker characters.
705 // Should these be merged into the title char list?
706 $unicodeBlacklist = '/[' .
707 '\x{0080}-\x{009f}' . # iso-8859-1 control chars
708 '\x{00a0}' . # non-breaking space
709 '\x{2000}-\x{200f}' . # various whitespace
710 '\x{2028}-\x{202f}' . # breaks and control chars
711 '\x{3000}' . # ideographic space
712 '\x{e000}-\x{f8ff}' . # private use
713 ']/u';
714 if ( preg_match( $unicodeBlacklist, $name ) ) {
715 wfDebugLog( 'username', __METHOD__ .
716 ": '$name' invalid due to blacklisted characters" );
717 return false;
718 }
719
720 return true;
721 }
722
723 /**
724 * Usernames which fail to pass this function will be blocked
725 * from user login and new account registrations, but may be used
726 * internally by batch processes.
727 *
728 * If an account already exists in this form, login will be blocked
729 * by a failure to pass this function.
730 *
731 * @param string $name Name to match
732 * @return bool
733 */
734 public static function isUsableName( $name ) {
735 global $wgReservedUsernames;
736 // Must be a valid username, obviously ;)
737 if ( !self::isValidUserName( $name ) ) {
738 return false;
739 }
740
741 static $reservedUsernames = false;
742 if ( !$reservedUsernames ) {
743 $reservedUsernames = $wgReservedUsernames;
744 Hooks::run( 'UserGetReservedNames', array( &$reservedUsernames ) );
745 }
746
747 // Certain names may be reserved for batch processes.
748 foreach ( $reservedUsernames as $reserved ) {
749 if ( substr( $reserved, 0, 4 ) == 'msg:' ) {
750 $reserved = wfMessage( substr( $reserved, 4 ) )->inContentLanguage()->text();
751 }
752 if ( $reserved == $name ) {
753 return false;
754 }
755 }
756 return true;
757 }
758
759 /**
760 * Usernames which fail to pass this function will be blocked
761 * from new account registrations, but may be used internally
762 * either by batch processes or by user accounts which have
763 * already been created.
764 *
765 * Additional blacklisting may be added here rather than in
766 * isValidUserName() to avoid disrupting existing accounts.
767 *
768 * @param string $name String to match
769 * @return bool
770 */
771 public static function isCreatableName( $name ) {
772 global $wgInvalidUsernameCharacters;
773
774 // Ensure that the username isn't longer than 235 bytes, so that
775 // (at least for the builtin skins) user javascript and css files
776 // will work. (bug 23080)
777 if ( strlen( $name ) > 235 ) {
778 wfDebugLog( 'username', __METHOD__ .
779 ": '$name' invalid due to length" );
780 return false;
781 }
782
783 // Preg yells if you try to give it an empty string
784 if ( $wgInvalidUsernameCharacters !== '' ) {
785 if ( preg_match( '/[' . preg_quote( $wgInvalidUsernameCharacters, '/' ) . ']/', $name ) ) {
786 wfDebugLog( 'username', __METHOD__ .
787 ": '$name' invalid due to wgInvalidUsernameCharacters" );
788 return false;
789 }
790 }
791
792 return self::isUsableName( $name );
793 }
794
795 /**
796 * Is the input a valid password for this user?
797 *
798 * @param string $password Desired password
799 * @return bool
800 */
801 public function isValidPassword( $password ) {
802 //simple boolean wrapper for getPasswordValidity
803 return $this->getPasswordValidity( $password ) === true;
804 }
805
806
807 /**
808 * Given unvalidated password input, return error message on failure.
809 *
810 * @param string $password Desired password
811 * @return bool|string|array True on success, string or array of error message on failure
812 */
813 public function getPasswordValidity( $password ) {
814 $result = $this->checkPasswordValidity( $password );
815 if ( $result->isGood() ) {
816 return true;
817 } else {
818 $messages = array();
819 foreach ( $result->getErrorsByType( 'error' ) as $error ) {
820 $messages[] = $error['message'];
821 }
822 foreach ( $result->getErrorsByType( 'warning' ) as $warning ) {
823 $messages[] = $warning['message'];
824 }
825 if ( count( $messages ) === 1 ) {
826 return $messages[0];
827 }
828 return $messages;
829 }
830 }
831
832 /**
833 * Check if this is a valid password for this user
834 *
835 * Create a Status object based on the password's validity.
836 * The Status should be set to fatal if the user should not
837 * be allowed to log in, and should have any errors that
838 * would block changing the password.
839 *
840 * If the return value of this is not OK, the password
841 * should not be checked. If the return value is not Good,
842 * the password can be checked, but the user should not be
843 * able to set their password to this.
844 *
845 * @param string $password Desired password
846 * @param string $purpose one of 'login', 'create', 'reset'
847 * @return Status
848 * @since 1.23
849 */
850 public function checkPasswordValidity( $password, $purpose = 'login' ) {
851 global $wgPasswordPolicy;
852
853 $upp = new UserPasswordPolicy(
854 $wgPasswordPolicy['policies'],
855 $wgPasswordPolicy['checks']
856 );
857
858 $status = Status::newGood();
859 $result = false; //init $result to false for the internal checks
860
861 if ( !Hooks::run( 'isValidPassword', array( $password, &$result, $this ) ) ) {
862 $status->error( $result );
863 return $status;
864 }
865
866 if ( $result === false ) {
867 $status->merge( $upp->checkUserPassword( $this, $password, $purpose ) );
868 return $status;
869 } elseif ( $result === true ) {
870 return $status;
871 } else {
872 $status->error( $result );
873 return $status; //the isValidPassword hook set a string $result and returned true
874 }
875 }
876
877 /**
878 * Expire a user's password
879 * @since 1.23
880 * @param int $ts Optional timestamp to convert, default 0 for the current time
881 */
882 public function expirePassword( $ts = 0 ) {
883 $this->loadPasswords();
884 $timestamp = wfTimestamp( TS_MW, $ts );
885 $this->mPasswordExpires = $timestamp;
886 $this->saveSettings();
887 }
888
889 /**
890 * Clear the password expiration for a user
891 * @since 1.23
892 * @param bool $load Ensure user object is loaded first
893 */
894 public function resetPasswordExpiration( $load = true ) {
895 global $wgPasswordExpirationDays;
896 if ( $load ) {
897 $this->load();
898 }
899 $newExpire = null;
900 if ( $wgPasswordExpirationDays ) {
901 $newExpire = wfTimestamp(
902 TS_MW,
903 time() + ( $wgPasswordExpirationDays * 24 * 3600 )
904 );
905 }
906 // Give extensions a chance to force an expiration
907 Hooks::run( 'ResetPasswordExpiration', array( $this, &$newExpire ) );
908 $this->mPasswordExpires = $newExpire;
909 }
910
911 /**
912 * Check if the user's password is expired.
913 * TODO: Put this and password length into a PasswordPolicy object
914 * @since 1.23
915 * @return string|bool The expiration type, or false if not expired
916 * hard: A password change is required to login
917 * soft: Allow login, but encourage password change
918 * false: Password is not expired
919 */
920 public function getPasswordExpired() {
921 global $wgPasswordExpireGrace;
922 $expired = false;
923 $now = wfTimestamp();
924 $expiration = $this->getPasswordExpireDate();
925 $expUnix = wfTimestamp( TS_UNIX, $expiration );
926 if ( $expiration !== null && $expUnix < $now ) {
927 $expired = ( $expUnix + $wgPasswordExpireGrace < $now ) ? 'hard' : 'soft';
928 }
929 return $expired;
930 }
931
932 /**
933 * Get this user's password expiration date. Since this may be using
934 * the cached User object, we assume that whatever mechanism is setting
935 * the expiration date is also expiring the User cache.
936 * @since 1.23
937 * @return string|bool The datestamp of the expiration, or null if not set
938 */
939 public function getPasswordExpireDate() {
940 $this->load();
941 return $this->mPasswordExpires;
942 }
943
944 /**
945 * Given unvalidated user input, return a canonical username, or false if
946 * the username is invalid.
947 * @param string $name User input
948 * @param string|bool $validate Type of validation to use:
949 * - false No validation
950 * - 'valid' Valid for batch processes
951 * - 'usable' Valid for batch processes and login
952 * - 'creatable' Valid for batch processes, login and account creation
953 *
954 * @throws InvalidArgumentException
955 * @return bool|string
956 */
957 public static function getCanonicalName( $name, $validate = 'valid' ) {
958 // Force usernames to capital
959 global $wgContLang;
960 $name = $wgContLang->ucfirst( $name );
961
962 # Reject names containing '#'; these will be cleaned up
963 # with title normalisation, but then it's too late to
964 # check elsewhere
965 if ( strpos( $name, '#' ) !== false ) {
966 return false;
967 }
968
969 // Clean up name according to title rules,
970 // but only when validation is requested (bug 12654)
971 $t = ( $validate !== false ) ?
972 Title::newFromText( $name ) : Title::makeTitle( NS_USER, $name );
973 // Check for invalid titles
974 if ( is_null( $t ) ) {
975 return false;
976 }
977
978 // Reject various classes of invalid names
979 global $wgAuth;
980 $name = $wgAuth->getCanonicalName( $t->getText() );
981
982 switch ( $validate ) {
983 case false:
984 break;
985 case 'valid':
986 if ( !User::isValidUserName( $name ) ) {
987 $name = false;
988 }
989 break;
990 case 'usable':
991 if ( !User::isUsableName( $name ) ) {
992 $name = false;
993 }
994 break;
995 case 'creatable':
996 if ( !User::isCreatableName( $name ) ) {
997 $name = false;
998 }
999 break;
1000 default:
1001 throw new InvalidArgumentException(
1002 'Invalid parameter value for $validate in ' . __METHOD__ );
1003 }
1004 return $name;
1005 }
1006
1007 /**
1008 * Count the number of edits of a user
1009 *
1010 * @param int $uid User ID to check
1011 * @return int The user's edit count
1012 *
1013 * @deprecated since 1.21 in favour of User::getEditCount
1014 */
1015 public static function edits( $uid ) {
1016 wfDeprecated( __METHOD__, '1.21' );
1017 $user = self::newFromId( $uid );
1018 return $user->getEditCount();
1019 }
1020
1021 /**
1022 * Return a random password.
1023 *
1024 * @return string New random password
1025 */
1026 public static function randomPassword() {
1027 global $wgMinimalPasswordLength;
1028 // Decide the final password length based on our min password length,
1029 // stopping at a minimum of 10 chars.
1030 $length = max( 10, $wgMinimalPasswordLength );
1031 // Multiply by 1.25 to get the number of hex characters we need
1032 $length = $length * 1.25;
1033 // Generate random hex chars
1034 $hex = MWCryptRand::generateHex( $length );
1035 // Convert from base 16 to base 32 to get a proper password like string
1036 return wfBaseConvert( $hex, 16, 32 );
1037 }
1038
1039 /**
1040 * Set cached properties to default.
1041 *
1042 * @note This no longer clears uncached lazy-initialised properties;
1043 * the constructor does that instead.
1044 *
1045 * @param string|bool $name
1046 */
1047 public function loadDefaults( $name = false ) {
1048
1049 $passwordFactory = self::getPasswordFactory();
1050
1051 $this->mId = 0;
1052 $this->mName = $name;
1053 $this->mRealName = '';
1054 $this->mPassword = $passwordFactory->newFromCiphertext( null );
1055 $this->mNewpassword = $passwordFactory->newFromCiphertext( null );
1056 $this->mNewpassTime = null;
1057 $this->mEmail = '';
1058 $this->mOptionOverrides = null;
1059 $this->mOptionsLoaded = false;
1060
1061 $loggedOut = $this->getRequest()->getCookie( 'LoggedOut' );
1062 if ( $loggedOut !== null ) {
1063 $this->mTouched = wfTimestamp( TS_MW, $loggedOut );
1064 } else {
1065 $this->mTouched = '1'; # Allow any pages to be cached
1066 }
1067
1068 $this->mToken = null; // Don't run cryptographic functions till we need a token
1069 $this->mEmailAuthenticated = null;
1070 $this->mEmailToken = '';
1071 $this->mEmailTokenExpires = null;
1072 $this->mPasswordExpires = null;
1073 $this->resetPasswordExpiration( false );
1074 $this->mRegistration = wfTimestamp( TS_MW );
1075 $this->mGroups = array();
1076
1077 Hooks::run( 'UserLoadDefaults', array( $this, $name ) );
1078 }
1079
1080 /**
1081 * Return whether an item has been loaded.
1082 *
1083 * @param string $item Item to check. Current possibilities:
1084 * - id
1085 * - name
1086 * - realname
1087 * @param string $all 'all' to check if the whole object has been loaded
1088 * or any other string to check if only the item is available (e.g.
1089 * for optimisation)
1090 * @return bool
1091 */
1092 public function isItemLoaded( $item, $all = 'all' ) {
1093 return ( $this->mLoadedItems === true && $all === 'all' ) ||
1094 ( isset( $this->mLoadedItems[$item] ) && $this->mLoadedItems[$item] === true );
1095 }
1096
1097 /**
1098 * Set that an item has been loaded
1099 *
1100 * @param string $item
1101 */
1102 protected function setItemLoaded( $item ) {
1103 if ( is_array( $this->mLoadedItems ) ) {
1104 $this->mLoadedItems[$item] = true;
1105 }
1106 }
1107
1108 /**
1109 * Load user data from the session or login cookie.
1110 *
1111 * @return bool True if the user is logged in, false otherwise.
1112 */
1113 private function loadFromSession() {
1114 $result = null;
1115 Hooks::run( 'UserLoadFromSession', array( $this, &$result ) );
1116 if ( $result !== null ) {
1117 return $result;
1118 }
1119
1120 $request = $this->getRequest();
1121
1122 $cookieId = $request->getCookie( 'UserID' );
1123 $sessId = $request->getSessionData( 'wsUserID' );
1124
1125 if ( $cookieId !== null ) {
1126 $sId = intval( $cookieId );
1127 if ( $sessId !== null && $cookieId != $sessId ) {
1128 wfDebugLog( 'loginSessions', "Session user ID ($sessId) and
1129 cookie user ID ($sId) don't match!" );
1130 return false;
1131 }
1132 $request->setSessionData( 'wsUserID', $sId );
1133 } elseif ( $sessId !== null && $sessId != 0 ) {
1134 $sId = $sessId;
1135 } else {
1136 return false;
1137 }
1138
1139 if ( $request->getSessionData( 'wsUserName' ) !== null ) {
1140 $sName = $request->getSessionData( 'wsUserName' );
1141 } elseif ( $request->getCookie( 'UserName' ) !== null ) {
1142 $sName = $request->getCookie( 'UserName' );
1143 $request->setSessionData( 'wsUserName', $sName );
1144 } else {
1145 return false;
1146 }
1147
1148 $proposedUser = User::newFromId( $sId );
1149 if ( !$proposedUser->isLoggedIn() ) {
1150 // Not a valid ID
1151 return false;
1152 }
1153
1154 global $wgBlockDisablesLogin;
1155 if ( $wgBlockDisablesLogin && $proposedUser->isBlocked() ) {
1156 // User blocked and we've disabled blocked user logins
1157 return false;
1158 }
1159
1160 if ( $request->getSessionData( 'wsToken' ) ) {
1161 $passwordCorrect =
1162 ( $proposedUser->getToken( false ) === $request->getSessionData( 'wsToken' ) );
1163 $from = 'session';
1164 } elseif ( $request->getCookie( 'Token' ) ) {
1165 # Get the token from DB/cache and clean it up to remove garbage padding.
1166 # This deals with historical problems with bugs and the default column value.
1167 $token = rtrim( $proposedUser->getToken( false ) ); // correct token
1168 // Make comparison in constant time (bug 61346)
1169 $passwordCorrect = strlen( $token )
1170 && hash_equals( $token, $request->getCookie( 'Token' ) );
1171 $from = 'cookie';
1172 } else {
1173 // No session or persistent login cookie
1174 return false;
1175 }
1176
1177 if ( ( $sName === $proposedUser->getName() ) && $passwordCorrect ) {
1178 $this->loadFromUserObject( $proposedUser );
1179 $request->setSessionData( 'wsToken', $this->mToken );
1180 wfDebug( "User: logged in from $from\n" );
1181 return true;
1182 } else {
1183 // Invalid credentials
1184 wfDebug( "User: can't log in from $from, invalid credentials\n" );
1185 return false;
1186 }
1187 }
1188
1189 /**
1190 * Load user and user_group data from the database.
1191 * $this->mId must be set, this is how the user is identified.
1192 *
1193 * @param integer $flags User::READ_* constant bitfield
1194 * @return bool True if the user exists, false if the user is anonymous
1195 */
1196 public function loadFromDatabase( $flags = self::READ_LATEST ) {
1197 // Paranoia
1198 $this->mId = intval( $this->mId );
1199
1200 // Anonymous user
1201 if ( !$this->mId ) {
1202 $this->loadDefaults();
1203 return false;
1204 }
1205
1206 $db = ( $flags & self::READ_LATEST )
1207 ? wfGetDB( DB_MASTER )
1208 : wfGetDB( DB_SLAVE );
1209
1210 $s = $db->selectRow(
1211 'user',
1212 self::selectFields(),
1213 array( 'user_id' => $this->mId ),
1214 __METHOD__,
1215 ( ( $flags & self::READ_LOCKING ) == self::READ_LOCKING )
1216 ? array( 'LOCK IN SHARE MODE' )
1217 : array()
1218 );
1219
1220 $this->queryFlagsUsed = $flags;
1221 Hooks::run( 'UserLoadFromDatabase', array( $this, &$s ) );
1222
1223 if ( $s !== false ) {
1224 // Initialise user table data
1225 $this->loadFromRow( $s );
1226 $this->mGroups = null; // deferred
1227 $this->getEditCount(); // revalidation for nulls
1228 return true;
1229 } else {
1230 // Invalid user_id
1231 $this->mId = 0;
1232 $this->loadDefaults();
1233 return false;
1234 }
1235 }
1236
1237 /**
1238 * Initialize this object from a row from the user table.
1239 *
1240 * @param stdClass $row Row from the user table to load.
1241 * @param array $data Further user data to load into the object
1242 *
1243 * user_groups Array with groups out of the user_groups table
1244 * user_properties Array with properties out of the user_properties table
1245 */
1246 protected function loadFromRow( $row, $data = null ) {
1247 $all = true;
1248 $passwordFactory = self::getPasswordFactory();
1249
1250 $this->mGroups = null; // deferred
1251
1252 if ( isset( $row->user_name ) ) {
1253 $this->mName = $row->user_name;
1254 $this->mFrom = 'name';
1255 $this->setItemLoaded( 'name' );
1256 } else {
1257 $all = false;
1258 }
1259
1260 if ( isset( $row->user_real_name ) ) {
1261 $this->mRealName = $row->user_real_name;
1262 $this->setItemLoaded( 'realname' );
1263 } else {
1264 $all = false;
1265 }
1266
1267 if ( isset( $row->user_id ) ) {
1268 $this->mId = intval( $row->user_id );
1269 $this->mFrom = 'id';
1270 $this->setItemLoaded( 'id' );
1271 } else {
1272 $all = false;
1273 }
1274
1275 if ( isset( $row->user_id ) && isset( $row->user_name ) ) {
1276 self::$idCacheByName[$row->user_name] = $row->user_id;
1277 }
1278
1279 if ( isset( $row->user_editcount ) ) {
1280 $this->mEditCount = $row->user_editcount;
1281 } else {
1282 $all = false;
1283 }
1284
1285 if ( isset( $row->user_password ) ) {
1286 // Check for *really* old password hashes that don't even have a type
1287 // The old hash format was just an md5 hex hash, with no type information
1288 if ( preg_match( '/^[0-9a-f]{32}$/', $row->user_password ) ) {
1289 $row->user_password = ":A:{$this->mId}:{$row->user_password}";
1290 }
1291
1292 try {
1293 $this->mPassword = $passwordFactory->newFromCiphertext( $row->user_password );
1294 } catch ( PasswordError $e ) {
1295 wfDebug( 'Invalid password hash found in database.' );
1296 $this->mPassword = $passwordFactory->newFromCiphertext( null );
1297 }
1298
1299 try {
1300 $this->mNewpassword = $passwordFactory->newFromCiphertext( $row->user_newpassword );
1301 } catch ( PasswordError $e ) {
1302 wfDebug( 'Invalid password hash found in database.' );
1303 $this->mNewpassword = $passwordFactory->newFromCiphertext( null );
1304 }
1305
1306 $this->mNewpassTime = wfTimestampOrNull( TS_MW, $row->user_newpass_time );
1307 $this->mPasswordExpires = wfTimestampOrNull( TS_MW, $row->user_password_expires );
1308 }
1309
1310 if ( isset( $row->user_email ) ) {
1311 $this->mEmail = $row->user_email;
1312 $this->mTouched = wfTimestamp( TS_MW, $row->user_touched );
1313 $this->mToken = $row->user_token;
1314 if ( $this->mToken == '' ) {
1315 $this->mToken = null;
1316 }
1317 $this->mEmailAuthenticated = wfTimestampOrNull( TS_MW, $row->user_email_authenticated );
1318 $this->mEmailToken = $row->user_email_token;
1319 $this->mEmailTokenExpires = wfTimestampOrNull( TS_MW, $row->user_email_token_expires );
1320 $this->mRegistration = wfTimestampOrNull( TS_MW, $row->user_registration );
1321 } else {
1322 $all = false;
1323 }
1324
1325 if ( $all ) {
1326 $this->mLoadedItems = true;
1327 }
1328
1329 if ( is_array( $data ) ) {
1330 if ( isset( $data['user_groups'] ) && is_array( $data['user_groups'] ) ) {
1331 $this->mGroups = $data['user_groups'];
1332 }
1333 if ( isset( $data['user_properties'] ) && is_array( $data['user_properties'] ) ) {
1334 $this->loadOptions( $data['user_properties'] );
1335 }
1336 }
1337 }
1338
1339 /**
1340 * Load the data for this user object from another user object.
1341 *
1342 * @param User $user
1343 */
1344 protected function loadFromUserObject( $user ) {
1345 $user->load();
1346 $user->loadGroups();
1347 $user->loadOptions();
1348 foreach ( self::$mCacheVars as $var ) {
1349 $this->$var = $user->$var;
1350 }
1351 }
1352
1353 /**
1354 * Load the groups from the database if they aren't already loaded.
1355 */
1356 private function loadGroups() {
1357 if ( is_null( $this->mGroups ) ) {
1358 $db = ( $this->queryFlagsUsed & self::READ_LATEST )
1359 ? wfGetDB( DB_MASTER )
1360 : wfGetDB( DB_SLAVE );
1361 $res = $db->select( 'user_groups',
1362 array( 'ug_group' ),
1363 array( 'ug_user' => $this->mId ),
1364 __METHOD__ );
1365 $this->mGroups = array();
1366 foreach ( $res as $row ) {
1367 $this->mGroups[] = $row->ug_group;
1368 }
1369 }
1370 }
1371
1372 /**
1373 * Load the user's password hashes from the database
1374 *
1375 * This is usually called in a scenario where the actual User object was
1376 * loaded from the cache, and then password comparison needs to be performed.
1377 * Password hashes are not stored in memcached.
1378 *
1379 * @since 1.24
1380 */
1381 private function loadPasswords() {
1382 if ( $this->getId() !== 0 &&
1383 ( $this->mPassword === null || $this->mNewpassword === null )
1384 ) {
1385 $db = ( $this->queryFlagsUsed & self::READ_LATEST )
1386 ? wfGetDB( DB_MASTER )
1387 : wfGetDB( DB_SLAVE );
1388
1389 $this->loadFromRow( $db->selectRow(
1390 'user',
1391 array( 'user_password', 'user_newpassword',
1392 'user_newpass_time', 'user_password_expires' ),
1393 array( 'user_id' => $this->getId() ),
1394 __METHOD__
1395 ) );
1396 }
1397 }
1398
1399 /**
1400 * Add the user to the group if he/she meets given criteria.
1401 *
1402 * Contrary to autopromotion by \ref $wgAutopromote, the group will be
1403 * possible to remove manually via Special:UserRights. In such case it
1404 * will not be re-added automatically. The user will also not lose the
1405 * group if they no longer meet the criteria.
1406 *
1407 * @param string $event Key in $wgAutopromoteOnce (each one has groups/criteria)
1408 *
1409 * @return array Array of groups the user has been promoted to.
1410 *
1411 * @see $wgAutopromoteOnce
1412 */
1413 public function addAutopromoteOnceGroups( $event ) {
1414 global $wgAutopromoteOnceLogInRC, $wgAuth;
1415
1416 if ( wfReadOnly() || !$this->getId() ) {
1417 return array();
1418 }
1419
1420 $toPromote = Autopromote::getAutopromoteOnceGroups( $this, $event );
1421 if ( !count( $toPromote ) ) {
1422 return array();
1423 }
1424
1425 if ( !$this->checkAndSetTouched() ) {
1426 return array(); // raced out (bug T48834)
1427 }
1428
1429 $oldGroups = $this->getGroups(); // previous groups
1430 foreach ( $toPromote as $group ) {
1431 $this->addGroup( $group );
1432 }
1433 // update groups in external authentication database
1434 Hooks::run( 'UserGroupsChanged', array( $this, $toPromote, array(), false ) );
1435 $wgAuth->updateExternalDBGroups( $this, $toPromote );
1436
1437 $newGroups = array_merge( $oldGroups, $toPromote ); // all groups
1438
1439 $logEntry = new ManualLogEntry( 'rights', 'autopromote' );
1440 $logEntry->setPerformer( $this );
1441 $logEntry->setTarget( $this->getUserPage() );
1442 $logEntry->setParameters( array(
1443 '4::oldgroups' => $oldGroups,
1444 '5::newgroups' => $newGroups,
1445 ) );
1446 $logid = $logEntry->insert();
1447 if ( $wgAutopromoteOnceLogInRC ) {
1448 $logEntry->publish( $logid );
1449 }
1450
1451 return $toPromote;
1452 }
1453
1454 /**
1455 * Bump user_touched if it didn't change since this object was loaded
1456 *
1457 * On success, the mTouched field is updated.
1458 * The user serialization cache is always cleared.
1459 *
1460 * @return bool Whether user_touched was actually updated
1461 * @since 1.26
1462 */
1463 protected function checkAndSetTouched() {
1464 $this->load();
1465
1466 if ( !$this->mId ) {
1467 return false; // anon
1468 }
1469
1470 // Get a new user_touched that is higher than the old one
1471 $oldTouched = $this->mTouched;
1472 $newTouched = $this->newTouchedTimestamp();
1473
1474 $dbw = wfGetDB( DB_MASTER );
1475 $dbw->update( 'user',
1476 array( 'user_touched' => $dbw->timestamp( $newTouched ) ),
1477 array(
1478 'user_id' => $this->mId,
1479 'user_touched' => $dbw->timestamp( $oldTouched ) // CAS check
1480 ),
1481 __METHOD__
1482 );
1483 $success = ( $dbw->affectedRows() > 0 );
1484
1485 if ( $success ) {
1486 $this->mTouched = $newTouched;
1487 }
1488
1489 // Clears on failure too since that is desired if the cache is stale
1490 $this->clearSharedCache();
1491
1492 return $success;
1493 }
1494
1495 /**
1496 * Clear various cached data stored in this object. The cache of the user table
1497 * data (i.e. self::$mCacheVars) is not cleared unless $reloadFrom is given.
1498 *
1499 * @param bool|string $reloadFrom Reload user and user_groups table data from a
1500 * given source. May be "name", "id", "defaults", "session", or false for no reload.
1501 */
1502 public function clearInstanceCache( $reloadFrom = false ) {
1503 $this->mNewtalk = -1;
1504 $this->mDatePreference = null;
1505 $this->mBlockedby = -1; # Unset
1506 $this->mHash = false;
1507 $this->mRights = null;
1508 $this->mEffectiveGroups = null;
1509 $this->mImplicitGroups = null;
1510 $this->mGroups = null;
1511 $this->mOptions = null;
1512 $this->mOptionsLoaded = false;
1513 $this->mEditCount = null;
1514
1515 if ( $reloadFrom ) {
1516 $this->mLoadedItems = array();
1517 $this->mFrom = $reloadFrom;
1518 }
1519 }
1520
1521 /**
1522 * Combine the language default options with any site-specific options
1523 * and add the default language variants.
1524 *
1525 * @return array Array of String options
1526 */
1527 public static function getDefaultOptions() {
1528 global $wgNamespacesToBeSearchedDefault, $wgDefaultUserOptions, $wgContLang, $wgDefaultSkin;
1529
1530 static $defOpt = null;
1531 if ( !defined( 'MW_PHPUNIT_TEST' ) && $defOpt !== null ) {
1532 // Disabling this for the unit tests, as they rely on being able to change $wgContLang
1533 // mid-request and see that change reflected in the return value of this function.
1534 // Which is insane and would never happen during normal MW operation
1535 return $defOpt;
1536 }
1537
1538 $defOpt = $wgDefaultUserOptions;
1539 // Default language setting
1540 $defOpt['language'] = $wgContLang->getCode();
1541 foreach ( LanguageConverter::$languagesWithVariants as $langCode ) {
1542 $defOpt[$langCode == $wgContLang->getCode() ? 'variant' : "variant-$langCode"] = $langCode;
1543 }
1544 foreach ( SearchEngine::searchableNamespaces() as $nsnum => $nsname ) {
1545 $defOpt['searchNs' . $nsnum] = !empty( $wgNamespacesToBeSearchedDefault[$nsnum] );
1546 }
1547 $defOpt['skin'] = Skin::normalizeKey( $wgDefaultSkin );
1548
1549 Hooks::run( 'UserGetDefaultOptions', array( &$defOpt ) );
1550
1551 return $defOpt;
1552 }
1553
1554 /**
1555 * Get a given default option value.
1556 *
1557 * @param string $opt Name of option to retrieve
1558 * @return string Default option value
1559 */
1560 public static function getDefaultOption( $opt ) {
1561 $defOpts = self::getDefaultOptions();
1562 if ( isset( $defOpts[$opt] ) ) {
1563 return $defOpts[$opt];
1564 } else {
1565 return null;
1566 }
1567 }
1568
1569 /**
1570 * Get blocking information
1571 * @param bool $bFromSlave Whether to check the slave database first.
1572 * To improve performance, non-critical checks are done against slaves.
1573 * Check when actually saving should be done against master.
1574 */
1575 private function getBlockedStatus( $bFromSlave = true ) {
1576 global $wgProxyWhitelist, $wgUser, $wgApplyIpBlocksToXff;
1577
1578 if ( -1 != $this->mBlockedby ) {
1579 return;
1580 }
1581
1582 wfDebug( __METHOD__ . ": checking...\n" );
1583
1584 // Initialize data...
1585 // Otherwise something ends up stomping on $this->mBlockedby when
1586 // things get lazy-loaded later, causing false positive block hits
1587 // due to -1 !== 0. Probably session-related... Nothing should be
1588 // overwriting mBlockedby, surely?
1589 $this->load();
1590
1591 # We only need to worry about passing the IP address to the Block generator if the
1592 # user is not immune to autoblocks/hardblocks, and they are the current user so we
1593 # know which IP address they're actually coming from
1594 if ( !$this->isAllowed( 'ipblock-exempt' ) && $this->equals( $wgUser ) ) {
1595 $ip = $this->getRequest()->getIP();
1596 } else {
1597 $ip = null;
1598 }
1599
1600 // User/IP blocking
1601 $block = Block::newFromTarget( $this, $ip, !$bFromSlave );
1602
1603 // Proxy blocking
1604 if ( !$block instanceof Block && $ip !== null && !$this->isAllowed( 'proxyunbannable' )
1605 && !in_array( $ip, $wgProxyWhitelist )
1606 ) {
1607 // Local list
1608 if ( self::isLocallyBlockedProxy( $ip ) ) {
1609 $block = new Block;
1610 $block->setBlocker( wfMessage( 'proxyblocker' )->text() );
1611 $block->mReason = wfMessage( 'proxyblockreason' )->text();
1612 $block->setTarget( $ip );
1613 } elseif ( $this->isAnon() && $this->isDnsBlacklisted( $ip ) ) {
1614 $block = new Block;
1615 $block->setBlocker( wfMessage( 'sorbs' )->text() );
1616 $block->mReason = wfMessage( 'sorbsreason' )->text();
1617 $block->setTarget( $ip );
1618 }
1619 }
1620
1621 // (bug 23343) Apply IP blocks to the contents of XFF headers, if enabled
1622 if ( !$block instanceof Block
1623 && $wgApplyIpBlocksToXff
1624 && $ip !== null
1625 && !$this->isAllowed( 'proxyunbannable' )
1626 && !in_array( $ip, $wgProxyWhitelist )
1627 ) {
1628 $xff = $this->getRequest()->getHeader( 'X-Forwarded-For' );
1629 $xff = array_map( 'trim', explode( ',', $xff ) );
1630 $xff = array_diff( $xff, array( $ip ) );
1631 $xffblocks = Block::getBlocksForIPList( $xff, $this->isAnon(), !$bFromSlave );
1632 $block = Block::chooseBlock( $xffblocks, $xff );
1633 if ( $block instanceof Block ) {
1634 # Mangle the reason to alert the user that the block
1635 # originated from matching the X-Forwarded-For header.
1636 $block->mReason = wfMessage( 'xffblockreason', $block->mReason )->text();
1637 }
1638 }
1639
1640 if ( $block instanceof Block ) {
1641 wfDebug( __METHOD__ . ": Found block.\n" );
1642 $this->mBlock = $block;
1643 $this->mBlockedby = $block->getByName();
1644 $this->mBlockreason = $block->mReason;
1645 $this->mHideName = $block->mHideName;
1646 $this->mAllowUsertalk = !$block->prevents( 'editownusertalk' );
1647 } else {
1648 $this->mBlockedby = '';
1649 $this->mHideName = 0;
1650 $this->mAllowUsertalk = false;
1651 }
1652
1653 // Extensions
1654 Hooks::run( 'GetBlockedStatus', array( &$this ) );
1655
1656 }
1657
1658 /**
1659 * Whether the given IP is in a DNS blacklist.
1660 *
1661 * @param string $ip IP to check
1662 * @param bool $checkWhitelist Whether to check the whitelist first
1663 * @return bool True if blacklisted.
1664 */
1665 public function isDnsBlacklisted( $ip, $checkWhitelist = false ) {
1666 global $wgEnableDnsBlacklist, $wgDnsBlacklistUrls, $wgProxyWhitelist;
1667
1668 if ( !$wgEnableDnsBlacklist ) {
1669 return false;
1670 }
1671
1672 if ( $checkWhitelist && in_array( $ip, $wgProxyWhitelist ) ) {
1673 return false;
1674 }
1675
1676 return $this->inDnsBlacklist( $ip, $wgDnsBlacklistUrls );
1677 }
1678
1679 /**
1680 * Whether the given IP is in a given DNS blacklist.
1681 *
1682 * @param string $ip IP to check
1683 * @param string|array $bases Array of Strings: URL of the DNS blacklist
1684 * @return bool True if blacklisted.
1685 */
1686 public function inDnsBlacklist( $ip, $bases ) {
1687
1688 $found = false;
1689 // @todo FIXME: IPv6 ??? (http://bugs.php.net/bug.php?id=33170)
1690 if ( IP::isIPv4( $ip ) ) {
1691 // Reverse IP, bug 21255
1692 $ipReversed = implode( '.', array_reverse( explode( '.', $ip ) ) );
1693
1694 foreach ( (array)$bases as $base ) {
1695 // Make hostname
1696 // If we have an access key, use that too (ProjectHoneypot, etc.)
1697 $basename = $base;
1698 if ( is_array( $base ) ) {
1699 if ( count( $base ) >= 2 ) {
1700 // Access key is 1, base URL is 0
1701 $host = "{$base[1]}.$ipReversed.{$base[0]}";
1702 } else {
1703 $host = "$ipReversed.{$base[0]}";
1704 }
1705 $basename = $base[0];
1706 } else {
1707 $host = "$ipReversed.$base";
1708 }
1709
1710 // Send query
1711 $ipList = gethostbynamel( $host );
1712
1713 if ( $ipList ) {
1714 wfDebugLog( 'dnsblacklist', "Hostname $host is {$ipList[0]}, it's a proxy says $basename!" );
1715 $found = true;
1716 break;
1717 } else {
1718 wfDebugLog( 'dnsblacklist', "Requested $host, not found in $basename." );
1719 }
1720 }
1721 }
1722
1723 return $found;
1724 }
1725
1726 /**
1727 * Check if an IP address is in the local proxy list
1728 *
1729 * @param string $ip
1730 *
1731 * @return bool
1732 */
1733 public static function isLocallyBlockedProxy( $ip ) {
1734 global $wgProxyList;
1735
1736 if ( !$wgProxyList ) {
1737 return false;
1738 }
1739
1740 if ( !is_array( $wgProxyList ) ) {
1741 // Load from the specified file
1742 $wgProxyList = array_map( 'trim', file( $wgProxyList ) );
1743 }
1744
1745 if ( !is_array( $wgProxyList ) ) {
1746 $ret = false;
1747 } elseif ( array_search( $ip, $wgProxyList ) !== false ) {
1748 $ret = true;
1749 } elseif ( array_key_exists( $ip, $wgProxyList ) ) {
1750 // Old-style flipped proxy list
1751 $ret = true;
1752 } else {
1753 $ret = false;
1754 }
1755 return $ret;
1756 }
1757
1758 /**
1759 * Is this user subject to rate limiting?
1760 *
1761 * @return bool True if rate limited
1762 */
1763 public function isPingLimitable() {
1764 global $wgRateLimitsExcludedIPs;
1765 if ( in_array( $this->getRequest()->getIP(), $wgRateLimitsExcludedIPs ) ) {
1766 // No other good way currently to disable rate limits
1767 // for specific IPs. :P
1768 // But this is a crappy hack and should die.
1769 return false;
1770 }
1771 return !$this->isAllowed( 'noratelimit' );
1772 }
1773
1774 /**
1775 * Primitive rate limits: enforce maximum actions per time period
1776 * to put a brake on flooding.
1777 *
1778 * The method generates both a generic profiling point and a per action one
1779 * (suffix being "-$action".
1780 *
1781 * @note When using a shared cache like memcached, IP-address
1782 * last-hit counters will be shared across wikis.
1783 *
1784 * @param string $action Action to enforce; 'edit' if unspecified
1785 * @param int $incrBy Positive amount to increment counter by [defaults to 1]
1786 * @return bool True if a rate limiter was tripped
1787 */
1788 public function pingLimiter( $action = 'edit', $incrBy = 1 ) {
1789 // Call the 'PingLimiter' hook
1790 $result = false;
1791 if ( !Hooks::run( 'PingLimiter', array( &$this, $action, &$result, $incrBy ) ) ) {
1792 return $result;
1793 }
1794
1795 global $wgRateLimits;
1796 if ( !isset( $wgRateLimits[$action] ) ) {
1797 return false;
1798 }
1799
1800 // Some groups shouldn't trigger the ping limiter, ever
1801 if ( !$this->isPingLimitable() ) {
1802 return false;
1803 }
1804
1805 global $wgMemc;
1806
1807 $limits = $wgRateLimits[$action];
1808 $keys = array();
1809 $id = $this->getId();
1810 $userLimit = false;
1811
1812 if ( isset( $limits['anon'] ) && $id == 0 ) {
1813 $keys[wfMemcKey( 'limiter', $action, 'anon' )] = $limits['anon'];
1814 }
1815
1816 if ( isset( $limits['user'] ) && $id != 0 ) {
1817 $userLimit = $limits['user'];
1818 }
1819 if ( $this->isNewbie() ) {
1820 if ( isset( $limits['newbie'] ) && $id != 0 ) {
1821 $keys[wfMemcKey( 'limiter', $action, 'user', $id )] = $limits['newbie'];
1822 }
1823 if ( isset( $limits['ip'] ) ) {
1824 $ip = $this->getRequest()->getIP();
1825 $keys["mediawiki:limiter:$action:ip:$ip"] = $limits['ip'];
1826 }
1827 if ( isset( $limits['subnet'] ) ) {
1828 $ip = $this->getRequest()->getIP();
1829 $matches = array();
1830 $subnet = false;
1831 if ( IP::isIPv6( $ip ) ) {
1832 $parts = IP::parseRange( "$ip/64" );
1833 $subnet = $parts[0];
1834 } elseif ( preg_match( '/^(\d+\.\d+\.\d+)\.\d+$/', $ip, $matches ) ) {
1835 // IPv4
1836 $subnet = $matches[1];
1837 }
1838 if ( $subnet !== false ) {
1839 $keys["mediawiki:limiter:$action:subnet:$subnet"] = $limits['subnet'];
1840 }
1841 }
1842 }
1843 // Check for group-specific permissions
1844 // If more than one group applies, use the group with the highest limit
1845 foreach ( $this->getGroups() as $group ) {
1846 if ( isset( $limits[$group] ) ) {
1847 if ( $userLimit === false
1848 || $limits[$group][0] / $limits[$group][1] > $userLimit[0] / $userLimit[1]
1849 ) {
1850 $userLimit = $limits[$group];
1851 }
1852 }
1853 }
1854 // Set the user limit key
1855 if ( $userLimit !== false ) {
1856 list( $max, $period ) = $userLimit;
1857 wfDebug( __METHOD__ . ": effective user limit: $max in {$period}s\n" );
1858 $keys[wfMemcKey( 'limiter', $action, 'user', $id )] = $userLimit;
1859 }
1860
1861 $triggered = false;
1862 foreach ( $keys as $key => $limit ) {
1863 list( $max, $period ) = $limit;
1864 $summary = "(limit $max in {$period}s)";
1865 $count = $wgMemc->get( $key );
1866 // Already pinged?
1867 if ( $count ) {
1868 if ( $count >= $max ) {
1869 wfDebugLog( 'ratelimit', "User '{$this->getName()}' " .
1870 "(IP {$this->getRequest()->getIP()}) tripped $key at $count $summary" );
1871 $triggered = true;
1872 } else {
1873 wfDebug( __METHOD__ . ": ok. $key at $count $summary\n" );
1874 }
1875 } else {
1876 wfDebug( __METHOD__ . ": adding record for $key $summary\n" );
1877 if ( $incrBy > 0 ) {
1878 $wgMemc->add( $key, 0, intval( $period ) ); // first ping
1879 }
1880 }
1881 if ( $incrBy > 0 ) {
1882 $wgMemc->incr( $key, $incrBy );
1883 }
1884 }
1885
1886 return $triggered;
1887 }
1888
1889 /**
1890 * Check if user is blocked
1891 *
1892 * @param bool $bFromSlave Whether to check the slave database instead of
1893 * the master. Hacked from false due to horrible probs on site.
1894 * @return bool True if blocked, false otherwise
1895 */
1896 public function isBlocked( $bFromSlave = true ) {
1897 return $this->getBlock( $bFromSlave ) instanceof Block && $this->getBlock()->prevents( 'edit' );
1898 }
1899
1900 /**
1901 * Get the block affecting the user, or null if the user is not blocked
1902 *
1903 * @param bool $bFromSlave Whether to check the slave database instead of the master
1904 * @return Block|null
1905 */
1906 public function getBlock( $bFromSlave = true ) {
1907 $this->getBlockedStatus( $bFromSlave );
1908 return $this->mBlock instanceof Block ? $this->mBlock : null;
1909 }
1910
1911 /**
1912 * Check if user is blocked from editing a particular article
1913 *
1914 * @param Title $title Title to check
1915 * @param bool $bFromSlave Whether to check the slave database instead of the master
1916 * @return bool
1917 */
1918 public function isBlockedFrom( $title, $bFromSlave = false ) {
1919 global $wgBlockAllowsUTEdit;
1920
1921 $blocked = $this->isBlocked( $bFromSlave );
1922 $allowUsertalk = ( $wgBlockAllowsUTEdit ? $this->mAllowUsertalk : false );
1923 // If a user's name is suppressed, they cannot make edits anywhere
1924 if ( !$this->mHideName && $allowUsertalk && $title->getText() === $this->getName()
1925 && $title->getNamespace() == NS_USER_TALK ) {
1926 $blocked = false;
1927 wfDebug( __METHOD__ . ": self-talk page, ignoring any blocks\n" );
1928 }
1929
1930 Hooks::run( 'UserIsBlockedFrom', array( $this, $title, &$blocked, &$allowUsertalk ) );
1931
1932 return $blocked;
1933 }
1934
1935 /**
1936 * If user is blocked, return the name of the user who placed the block
1937 * @return string Name of blocker
1938 */
1939 public function blockedBy() {
1940 $this->getBlockedStatus();
1941 return $this->mBlockedby;
1942 }
1943
1944 /**
1945 * If user is blocked, return the specified reason for the block
1946 * @return string Blocking reason
1947 */
1948 public function blockedFor() {
1949 $this->getBlockedStatus();
1950 return $this->mBlockreason;
1951 }
1952
1953 /**
1954 * If user is blocked, return the ID for the block
1955 * @return int Block ID
1956 */
1957 public function getBlockId() {
1958 $this->getBlockedStatus();
1959 return ( $this->mBlock ? $this->mBlock->getId() : false );
1960 }
1961
1962 /**
1963 * Check if user is blocked on all wikis.
1964 * Do not use for actual edit permission checks!
1965 * This is intended for quick UI checks.
1966 *
1967 * @param string $ip IP address, uses current client if none given
1968 * @return bool True if blocked, false otherwise
1969 */
1970 public function isBlockedGlobally( $ip = '' ) {
1971 if ( $this->mBlockedGlobally !== null ) {
1972 return $this->mBlockedGlobally;
1973 }
1974 // User is already an IP?
1975 if ( IP::isIPAddress( $this->getName() ) ) {
1976 $ip = $this->getName();
1977 } elseif ( !$ip ) {
1978 $ip = $this->getRequest()->getIP();
1979 }
1980 $blocked = false;
1981 Hooks::run( 'UserIsBlockedGlobally', array( &$this, $ip, &$blocked ) );
1982 $this->mBlockedGlobally = (bool)$blocked;
1983 return $this->mBlockedGlobally;
1984 }
1985
1986 /**
1987 * Check if user account is locked
1988 *
1989 * @return bool True if locked, false otherwise
1990 */
1991 public function isLocked() {
1992 if ( $this->mLocked !== null ) {
1993 return $this->mLocked;
1994 }
1995 global $wgAuth;
1996 $authUser = $wgAuth->getUserInstance( $this );
1997 $this->mLocked = (bool)$authUser->isLocked();
1998 Hooks::run( 'UserIsLocked', array( $this, &$this->mLocked ) );
1999 return $this->mLocked;
2000 }
2001
2002 /**
2003 * Check if user account is hidden
2004 *
2005 * @return bool True if hidden, false otherwise
2006 */
2007 public function isHidden() {
2008 if ( $this->mHideName !== null ) {
2009 return $this->mHideName;
2010 }
2011 $this->getBlockedStatus();
2012 if ( !$this->mHideName ) {
2013 global $wgAuth;
2014 $authUser = $wgAuth->getUserInstance( $this );
2015 $this->mHideName = (bool)$authUser->isHidden();
2016 Hooks::run( 'UserIsHidden', array( $this, &$this->mHideName ) );
2017 }
2018 return $this->mHideName;
2019 }
2020
2021 /**
2022 * Get the user's ID.
2023 * @return int The user's ID; 0 if the user is anonymous or nonexistent
2024 */
2025 public function getId() {
2026 if ( $this->mId === null && $this->mName !== null && User::isIP( $this->mName ) ) {
2027 // Special case, we know the user is anonymous
2028 return 0;
2029 } elseif ( !$this->isItemLoaded( 'id' ) ) {
2030 // Don't load if this was initialized from an ID
2031 $this->load();
2032 }
2033 return $this->mId;
2034 }
2035
2036 /**
2037 * Set the user and reload all fields according to a given ID
2038 * @param int $v User ID to reload
2039 */
2040 public function setId( $v ) {
2041 $this->mId = $v;
2042 $this->clearInstanceCache( 'id' );
2043 }
2044
2045 /**
2046 * Get the user name, or the IP of an anonymous user
2047 * @return string User's name or IP address
2048 */
2049 public function getName() {
2050 if ( $this->isItemLoaded( 'name', 'only' ) ) {
2051 // Special case optimisation
2052 return $this->mName;
2053 } else {
2054 $this->load();
2055 if ( $this->mName === false ) {
2056 // Clean up IPs
2057 $this->mName = IP::sanitizeIP( $this->getRequest()->getIP() );
2058 }
2059 return $this->mName;
2060 }
2061 }
2062
2063 /**
2064 * Set the user name.
2065 *
2066 * This does not reload fields from the database according to the given
2067 * name. Rather, it is used to create a temporary "nonexistent user" for
2068 * later addition to the database. It can also be used to set the IP
2069 * address for an anonymous user to something other than the current
2070 * remote IP.
2071 *
2072 * @note User::newFromName() has roughly the same function, when the named user
2073 * does not exist.
2074 * @param string $str New user name to set
2075 */
2076 public function setName( $str ) {
2077 $this->load();
2078 $this->mName = $str;
2079 }
2080
2081 /**
2082 * Get the user's name escaped by underscores.
2083 * @return string Username escaped by underscores.
2084 */
2085 public function getTitleKey() {
2086 return str_replace( ' ', '_', $this->getName() );
2087 }
2088
2089 /**
2090 * Check if the user has new messages.
2091 * @return bool True if the user has new messages
2092 */
2093 public function getNewtalk() {
2094 $this->load();
2095
2096 // Load the newtalk status if it is unloaded (mNewtalk=-1)
2097 if ( $this->mNewtalk === -1 ) {
2098 $this->mNewtalk = false; # reset talk page status
2099
2100 // Check memcached separately for anons, who have no
2101 // entire User object stored in there.
2102 if ( !$this->mId ) {
2103 global $wgDisableAnonTalk;
2104 if ( $wgDisableAnonTalk ) {
2105 // Anon newtalk disabled by configuration.
2106 $this->mNewtalk = false;
2107 } else {
2108 $this->mNewtalk = $this->checkNewtalk( 'user_ip', $this->getName() );
2109 }
2110 } else {
2111 $this->mNewtalk = $this->checkNewtalk( 'user_id', $this->mId );
2112 }
2113 }
2114
2115 return (bool)$this->mNewtalk;
2116 }
2117
2118 /**
2119 * Return the data needed to construct links for new talk page message
2120 * alerts. If there are new messages, this will return an associative array
2121 * with the following data:
2122 * wiki: The database name of the wiki
2123 * link: Root-relative link to the user's talk page
2124 * rev: The last talk page revision that the user has seen or null. This
2125 * is useful for building diff links.
2126 * If there are no new messages, it returns an empty array.
2127 * @note This function was designed to accomodate multiple talk pages, but
2128 * currently only returns a single link and revision.
2129 * @return array
2130 */
2131 public function getNewMessageLinks() {
2132 $talks = array();
2133 if ( !Hooks::run( 'UserRetrieveNewTalks', array( &$this, &$talks ) ) ) {
2134 return $talks;
2135 } elseif ( !$this->getNewtalk() ) {
2136 return array();
2137 }
2138 $utp = $this->getTalkPage();
2139 $dbr = wfGetDB( DB_SLAVE );
2140 // Get the "last viewed rev" timestamp from the oldest message notification
2141 $timestamp = $dbr->selectField( 'user_newtalk',
2142 'MIN(user_last_timestamp)',
2143 $this->isAnon() ? array( 'user_ip' => $this->getName() ) : array( 'user_id' => $this->getID() ),
2144 __METHOD__ );
2145 $rev = $timestamp ? Revision::loadFromTimestamp( $dbr, $utp, $timestamp ) : null;
2146 return array( array( 'wiki' => wfWikiID(), 'link' => $utp->getLocalURL(), 'rev' => $rev ) );
2147 }
2148
2149 /**
2150 * Get the revision ID for the last talk page revision viewed by the talk
2151 * page owner.
2152 * @return int|null Revision ID or null
2153 */
2154 public function getNewMessageRevisionId() {
2155 $newMessageRevisionId = null;
2156 $newMessageLinks = $this->getNewMessageLinks();
2157 if ( $newMessageLinks ) {
2158 // Note: getNewMessageLinks() never returns more than a single link
2159 // and it is always for the same wiki, but we double-check here in
2160 // case that changes some time in the future.
2161 if ( count( $newMessageLinks ) === 1
2162 && $newMessageLinks[0]['wiki'] === wfWikiID()
2163 && $newMessageLinks[0]['rev']
2164 ) {
2165 /** @var Revision $newMessageRevision */
2166 $newMessageRevision = $newMessageLinks[0]['rev'];
2167 $newMessageRevisionId = $newMessageRevision->getId();
2168 }
2169 }
2170 return $newMessageRevisionId;
2171 }
2172
2173 /**
2174 * Internal uncached check for new messages
2175 *
2176 * @see getNewtalk()
2177 * @param string $field 'user_ip' for anonymous users, 'user_id' otherwise
2178 * @param string|int $id User's IP address for anonymous users, User ID otherwise
2179 * @return bool True if the user has new messages
2180 */
2181 protected function checkNewtalk( $field, $id ) {
2182 $dbr = wfGetDB( DB_SLAVE );
2183
2184 $ok = $dbr->selectField( 'user_newtalk', $field, array( $field => $id ), __METHOD__ );
2185
2186 return $ok !== false;
2187 }
2188
2189 /**
2190 * Add or update the new messages flag
2191 * @param string $field 'user_ip' for anonymous users, 'user_id' otherwise
2192 * @param string|int $id User's IP address for anonymous users, User ID otherwise
2193 * @param Revision|null $curRev New, as yet unseen revision of the user talk page. Ignored if null.
2194 * @return bool True if successful, false otherwise
2195 */
2196 protected function updateNewtalk( $field, $id, $curRev = null ) {
2197 // Get timestamp of the talk page revision prior to the current one
2198 $prevRev = $curRev ? $curRev->getPrevious() : false;
2199 $ts = $prevRev ? $prevRev->getTimestamp() : null;
2200 // Mark the user as having new messages since this revision
2201 $dbw = wfGetDB( DB_MASTER );
2202 $dbw->insert( 'user_newtalk',
2203 array( $field => $id, 'user_last_timestamp' => $dbw->timestampOrNull( $ts ) ),
2204 __METHOD__,
2205 'IGNORE' );
2206 if ( $dbw->affectedRows() ) {
2207 wfDebug( __METHOD__ . ": set on ($field, $id)\n" );
2208 return true;
2209 } else {
2210 wfDebug( __METHOD__ . " already set ($field, $id)\n" );
2211 return false;
2212 }
2213 }
2214
2215 /**
2216 * Clear the new messages flag for the given user
2217 * @param string $field 'user_ip' for anonymous users, 'user_id' otherwise
2218 * @param string|int $id User's IP address for anonymous users, User ID otherwise
2219 * @return bool True if successful, false otherwise
2220 */
2221 protected function deleteNewtalk( $field, $id ) {
2222 $dbw = wfGetDB( DB_MASTER );
2223 $dbw->delete( 'user_newtalk',
2224 array( $field => $id ),
2225 __METHOD__ );
2226 if ( $dbw->affectedRows() ) {
2227 wfDebug( __METHOD__ . ": killed on ($field, $id)\n" );
2228 return true;
2229 } else {
2230 wfDebug( __METHOD__ . ": already gone ($field, $id)\n" );
2231 return false;
2232 }
2233 }
2234
2235 /**
2236 * Update the 'You have new messages!' status.
2237 * @param bool $val Whether the user has new messages
2238 * @param Revision $curRev New, as yet unseen revision of the user talk
2239 * page. Ignored if null or !$val.
2240 */
2241 public function setNewtalk( $val, $curRev = null ) {
2242 if ( wfReadOnly() ) {
2243 return;
2244 }
2245
2246 $this->load();
2247 $this->mNewtalk = $val;
2248
2249 if ( $this->isAnon() ) {
2250 $field = 'user_ip';
2251 $id = $this->getName();
2252 } else {
2253 $field = 'user_id';
2254 $id = $this->getId();
2255 }
2256
2257 if ( $val ) {
2258 $changed = $this->updateNewtalk( $field, $id, $curRev );
2259 } else {
2260 $changed = $this->deleteNewtalk( $field, $id );
2261 }
2262
2263 if ( $changed ) {
2264 $this->invalidateCache();
2265 }
2266 }
2267
2268 /**
2269 * Generate a current or new-future timestamp to be stored in the
2270 * user_touched field when we update things.
2271 * @return string Timestamp in TS_MW format
2272 */
2273 private function newTouchedTimestamp() {
2274 global $wgClockSkewFudge;
2275
2276 $time = wfTimestamp( TS_MW, time() + $wgClockSkewFudge );
2277 if ( $this->mTouched && $time <= $this->mTouched ) {
2278 $time = wfTimestamp( TS_MW, wfTimestamp( TS_UNIX, $this->mTouched ) + 1 );
2279 }
2280
2281 return $time;
2282 }
2283
2284 /**
2285 * Clear user data from memcached.
2286 * Use after applying fun updates to the database; caller's
2287 * responsibility to update user_touched if appropriate.
2288 *
2289 * Called implicitly from invalidateCache() and saveSettings().
2290 */
2291 public function clearSharedCache() {
2292 $id = $this->getId();
2293 if ( $id ) {
2294 $key = wfMemcKey( 'user', 'id', $id );
2295 ObjectCache::getMainWANInstance()->delete( $key );
2296 }
2297 }
2298
2299 /**
2300 * Immediately touch the user data cache for this account
2301 *
2302 * Calls touch() and removes account data from memcached
2303 */
2304 public function invalidateCache() {
2305 $this->touch();
2306 $this->clearSharedCache();
2307 }
2308
2309 /**
2310 * Update the "touched" timestamp for the user
2311 *
2312 * This is useful on various login/logout events when making sure that
2313 * a browser or proxy that has multiple tenants does not suffer cache
2314 * pollution where the new user sees the old users content. The value
2315 * of getTouched() is checked when determining 304 vs 200 responses.
2316 * Unlike invalidateCache(), this preserves the User object cache and
2317 * avoids database writes.
2318 *
2319 * @since 1.25
2320 */
2321 public function touch() {
2322 $id = $this->getId();
2323 if ( $id ) {
2324 $key = wfMemcKey( 'user-quicktouched', 'id', $id );
2325 ObjectCache::getMainWANInstance()->touchCheckKey( $key );
2326 $this->mQuickTouched = null;
2327 }
2328 }
2329
2330 /**
2331 * Validate the cache for this account.
2332 * @param string $timestamp A timestamp in TS_MW format
2333 * @return bool
2334 */
2335 public function validateCache( $timestamp ) {
2336 return ( $timestamp >= $this->getTouched() );
2337 }
2338
2339 /**
2340 * Get the user touched timestamp
2341 *
2342 * Use this value only to validate caches via inequalities
2343 * such as in the case of HTTP If-Modified-Since response logic
2344 *
2345 * @return string TS_MW Timestamp
2346 */
2347 public function getTouched() {
2348 $this->load();
2349
2350 if ( $this->mId ) {
2351 if ( $this->mQuickTouched === null ) {
2352 $key = wfMemcKey( 'user-quicktouched', 'id', $this->mId );
2353 $cache = ObjectCache::getMainWANInstance();
2354
2355 $this->mQuickTouched = wfTimestamp( TS_MW, $cache->getCheckKeyTime( $key ) );
2356 }
2357
2358 return max( $this->mTouched, $this->mQuickTouched );
2359 }
2360
2361 return $this->mTouched;
2362 }
2363
2364 /**
2365 * Get the user_touched timestamp field (time of last DB updates)
2366 * @return string TS_MW Timestamp
2367 * @since 1.26
2368 */
2369 public function getDBTouched() {
2370 $this->load();
2371
2372 return $this->mTouched;
2373 }
2374
2375 /**
2376 * @return Password
2377 * @since 1.24
2378 */
2379 public function getPassword() {
2380 $this->loadPasswords();
2381
2382 return $this->mPassword;
2383 }
2384
2385 /**
2386 * @return Password
2387 * @since 1.24
2388 */
2389 public function getTemporaryPassword() {
2390 $this->loadPasswords();
2391
2392 return $this->mNewpassword;
2393 }
2394
2395 /**
2396 * Set the password and reset the random token.
2397 * Calls through to authentication plugin if necessary;
2398 * will have no effect if the auth plugin refuses to
2399 * pass the change through or if the legal password
2400 * checks fail.
2401 *
2402 * As a special case, setting the password to null
2403 * wipes it, so the account cannot be logged in until
2404 * a new password is set, for instance via e-mail.
2405 *
2406 * @param string $str New password to set
2407 * @throws PasswordError On failure
2408 *
2409 * @return bool
2410 */
2411 public function setPassword( $str ) {
2412 global $wgAuth;
2413
2414 $this->loadPasswords();
2415
2416 if ( $str !== null ) {
2417 if ( !$wgAuth->allowPasswordChange() ) {
2418 throw new PasswordError( wfMessage( 'password-change-forbidden' )->text() );
2419 }
2420
2421 $status = $this->checkPasswordValidity( $str );
2422 if ( !$status->isGood() ) {
2423 throw new PasswordError( $status->getMessage()->text() );
2424 }
2425 }
2426
2427 if ( !$wgAuth->setPassword( $this, $str ) ) {
2428 throw new PasswordError( wfMessage( 'externaldberror' )->text() );
2429 }
2430
2431 $this->setInternalPassword( $str );
2432
2433 return true;
2434 }
2435
2436 /**
2437 * Set the password and reset the random token unconditionally.
2438 *
2439 * @param string|null $str New password to set or null to set an invalid
2440 * password hash meaning that the user will not be able to log in
2441 * through the web interface.
2442 */
2443 public function setInternalPassword( $str ) {
2444 $this->setToken();
2445 $this->setOption( 'watchlisttoken', false );
2446
2447 $passwordFactory = self::getPasswordFactory();
2448 $this->mPassword = $passwordFactory->newFromPlaintext( $str );
2449
2450 $this->mNewpassword = $passwordFactory->newFromCiphertext( null );
2451 $this->mNewpassTime = null;
2452 }
2453
2454 /**
2455 * Get the user's current token.
2456 * @param bool $forceCreation Force the generation of a new token if the
2457 * user doesn't have one (default=true for backwards compatibility).
2458 * @return string Token
2459 */
2460 public function getToken( $forceCreation = true ) {
2461 $this->load();
2462 if ( !$this->mToken && $forceCreation ) {
2463 $this->setToken();
2464 }
2465 return $this->mToken;
2466 }
2467
2468 /**
2469 * Set the random token (used for persistent authentication)
2470 * Called from loadDefaults() among other places.
2471 *
2472 * @param string|bool $token If specified, set the token to this value
2473 */
2474 public function setToken( $token = false ) {
2475 $this->load();
2476 if ( !$token ) {
2477 $this->mToken = MWCryptRand::generateHex( self::TOKEN_LENGTH );
2478 } else {
2479 $this->mToken = $token;
2480 }
2481 }
2482
2483 /**
2484 * Set the password for a password reminder or new account email
2485 *
2486 * @param string $str New password to set or null to set an invalid
2487 * password hash meaning that the user will not be able to use it
2488 * @param bool $throttle If true, reset the throttle timestamp to the present
2489 */
2490 public function setNewpassword( $str, $throttle = true ) {
2491 $this->loadPasswords();
2492
2493 $this->mNewpassword = self::getPasswordFactory()->newFromPlaintext( $str );
2494 if ( $str === null ) {
2495 $this->mNewpassTime = null;
2496 } elseif ( $throttle ) {
2497 $this->mNewpassTime = wfTimestampNow();
2498 }
2499 }
2500
2501 /**
2502 * Has password reminder email been sent within the last
2503 * $wgPasswordReminderResendTime hours?
2504 * @return bool
2505 */
2506 public function isPasswordReminderThrottled() {
2507 global $wgPasswordReminderResendTime;
2508 $this->load();
2509 if ( !$this->mNewpassTime || !$wgPasswordReminderResendTime ) {
2510 return false;
2511 }
2512 $expiry = wfTimestamp( TS_UNIX, $this->mNewpassTime ) + $wgPasswordReminderResendTime * 3600;
2513 return time() < $expiry;
2514 }
2515
2516 /**
2517 * Get the user's e-mail address
2518 * @return string User's email address
2519 */
2520 public function getEmail() {
2521 $this->load();
2522 Hooks::run( 'UserGetEmail', array( $this, &$this->mEmail ) );
2523 return $this->mEmail;
2524 }
2525
2526 /**
2527 * Get the timestamp of the user's e-mail authentication
2528 * @return string TS_MW timestamp
2529 */
2530 public function getEmailAuthenticationTimestamp() {
2531 $this->load();
2532 Hooks::run( 'UserGetEmailAuthenticationTimestamp', array( $this, &$this->mEmailAuthenticated ) );
2533 return $this->mEmailAuthenticated;
2534 }
2535
2536 /**
2537 * Set the user's e-mail address
2538 * @param string $str New e-mail address
2539 */
2540 public function setEmail( $str ) {
2541 $this->load();
2542 if ( $str == $this->mEmail ) {
2543 return;
2544 }
2545 $this->invalidateEmail();
2546 $this->mEmail = $str;
2547 Hooks::run( 'UserSetEmail', array( $this, &$this->mEmail ) );
2548 }
2549
2550 /**
2551 * Set the user's e-mail address and a confirmation mail if needed.
2552 *
2553 * @since 1.20
2554 * @param string $str New e-mail address
2555 * @return Status
2556 */
2557 public function setEmailWithConfirmation( $str ) {
2558 global $wgEnableEmail, $wgEmailAuthentication;
2559
2560 if ( !$wgEnableEmail ) {
2561 return Status::newFatal( 'emaildisabled' );
2562 }
2563
2564 $oldaddr = $this->getEmail();
2565 if ( $str === $oldaddr ) {
2566 return Status::newGood( true );
2567 }
2568
2569 $this->setEmail( $str );
2570
2571 if ( $str !== '' && $wgEmailAuthentication ) {
2572 // Send a confirmation request to the new address if needed
2573 $type = $oldaddr != '' ? 'changed' : 'set';
2574 $result = $this->sendConfirmationMail( $type );
2575 if ( $result->isGood() ) {
2576 // Say to the caller that a confirmation mail has been sent
2577 $result->value = 'eauth';
2578 }
2579 } else {
2580 $result = Status::newGood( true );
2581 }
2582
2583 return $result;
2584 }
2585
2586 /**
2587 * Get the user's real name
2588 * @return string User's real name
2589 */
2590 public function getRealName() {
2591 if ( !$this->isItemLoaded( 'realname' ) ) {
2592 $this->load();
2593 }
2594
2595 return $this->mRealName;
2596 }
2597
2598 /**
2599 * Set the user's real name
2600 * @param string $str New real name
2601 */
2602 public function setRealName( $str ) {
2603 $this->load();
2604 $this->mRealName = $str;
2605 }
2606
2607 /**
2608 * Get the user's current setting for a given option.
2609 *
2610 * @param string $oname The option to check
2611 * @param string $defaultOverride A default value returned if the option does not exist
2612 * @param bool $ignoreHidden Whether to ignore the effects of $wgHiddenPrefs
2613 * @return string User's current value for the option
2614 * @see getBoolOption()
2615 * @see getIntOption()
2616 */
2617 public function getOption( $oname, $defaultOverride = null, $ignoreHidden = false ) {
2618 global $wgHiddenPrefs;
2619 $this->loadOptions();
2620
2621 # We want 'disabled' preferences to always behave as the default value for
2622 # users, even if they have set the option explicitly in their settings (ie they
2623 # set it, and then it was disabled removing their ability to change it). But
2624 # we don't want to erase the preferences in the database in case the preference
2625 # is re-enabled again. So don't touch $mOptions, just override the returned value
2626 if ( !$ignoreHidden && in_array( $oname, $wgHiddenPrefs ) ) {
2627 return self::getDefaultOption( $oname );
2628 }
2629
2630 if ( array_key_exists( $oname, $this->mOptions ) ) {
2631 return $this->mOptions[$oname];
2632 } else {
2633 return $defaultOverride;
2634 }
2635 }
2636
2637 /**
2638 * Get all user's options
2639 *
2640 * @param int $flags Bitwise combination of:
2641 * User::GETOPTIONS_EXCLUDE_DEFAULTS Exclude user options that are set
2642 * to the default value. (Since 1.25)
2643 * @return array
2644 */
2645 public function getOptions( $flags = 0 ) {
2646 global $wgHiddenPrefs;
2647 $this->loadOptions();
2648 $options = $this->mOptions;
2649
2650 # We want 'disabled' preferences to always behave as the default value for
2651 # users, even if they have set the option explicitly in their settings (ie they
2652 # set it, and then it was disabled removing their ability to change it). But
2653 # we don't want to erase the preferences in the database in case the preference
2654 # is re-enabled again. So don't touch $mOptions, just override the returned value
2655 foreach ( $wgHiddenPrefs as $pref ) {
2656 $default = self::getDefaultOption( $pref );
2657 if ( $default !== null ) {
2658 $options[$pref] = $default;
2659 }
2660 }
2661
2662 if ( $flags & self::GETOPTIONS_EXCLUDE_DEFAULTS ) {
2663 $options = array_diff_assoc( $options, self::getDefaultOptions() );
2664 }
2665
2666 return $options;
2667 }
2668
2669 /**
2670 * Get the user's current setting for a given option, as a boolean value.
2671 *
2672 * @param string $oname The option to check
2673 * @return bool User's current value for the option
2674 * @see getOption()
2675 */
2676 public function getBoolOption( $oname ) {
2677 return (bool)$this->getOption( $oname );
2678 }
2679
2680 /**
2681 * Get the user's current setting for a given option, as an integer value.
2682 *
2683 * @param string $oname The option to check
2684 * @param int $defaultOverride A default value returned if the option does not exist
2685 * @return int User's current value for the option
2686 * @see getOption()
2687 */
2688 public function getIntOption( $oname, $defaultOverride = 0 ) {
2689 $val = $this->getOption( $oname );
2690 if ( $val == '' ) {
2691 $val = $defaultOverride;
2692 }
2693 return intval( $val );
2694 }
2695
2696 /**
2697 * Set the given option for a user.
2698 *
2699 * You need to call saveSettings() to actually write to the database.
2700 *
2701 * @param string $oname The option to set
2702 * @param mixed $val New value to set
2703 */
2704 public function setOption( $oname, $val ) {
2705 $this->loadOptions();
2706
2707 // Explicitly NULL values should refer to defaults
2708 if ( is_null( $val ) ) {
2709 $val = self::getDefaultOption( $oname );
2710 }
2711
2712 $this->mOptions[$oname] = $val;
2713 }
2714
2715 /**
2716 * Get a token stored in the preferences (like the watchlist one),
2717 * resetting it if it's empty (and saving changes).
2718 *
2719 * @param string $oname The option name to retrieve the token from
2720 * @return string|bool User's current value for the option, or false if this option is disabled.
2721 * @see resetTokenFromOption()
2722 * @see getOption()
2723 * @deprecated 1.26 Applications should use the OAuth extension
2724 */
2725 public function getTokenFromOption( $oname ) {
2726 global $wgHiddenPrefs;
2727
2728 $id = $this->getId();
2729 if ( !$id || in_array( $oname, $wgHiddenPrefs ) ) {
2730 return false;
2731 }
2732
2733 $token = $this->getOption( $oname );
2734 if ( !$token ) {
2735 // Default to a value based on the user token to avoid space
2736 // wasted on storing tokens for all users. When this option
2737 // is set manually by the user, only then is it stored.
2738 $token = hash_hmac( 'sha1', "$oname:$id", $this->getToken() );
2739 }
2740
2741 return $token;
2742 }
2743
2744 /**
2745 * Reset a token stored in the preferences (like the watchlist one).
2746 * *Does not* save user's preferences (similarly to setOption()).
2747 *
2748 * @param string $oname The option name to reset the token in
2749 * @return string|bool New token value, or false if this option is disabled.
2750 * @see getTokenFromOption()
2751 * @see setOption()
2752 */
2753 public function resetTokenFromOption( $oname ) {
2754 global $wgHiddenPrefs;
2755 if ( in_array( $oname, $wgHiddenPrefs ) ) {
2756 return false;
2757 }
2758
2759 $token = MWCryptRand::generateHex( 40 );
2760 $this->setOption( $oname, $token );
2761 return $token;
2762 }
2763
2764 /**
2765 * Return a list of the types of user options currently returned by
2766 * User::getOptionKinds().
2767 *
2768 * Currently, the option kinds are:
2769 * - 'registered' - preferences which are registered in core MediaWiki or
2770 * by extensions using the UserGetDefaultOptions hook.
2771 * - 'registered-multiselect' - as above, using the 'multiselect' type.
2772 * - 'registered-checkmatrix' - as above, using the 'checkmatrix' type.
2773 * - 'userjs' - preferences with names starting with 'userjs-', intended to
2774 * be used by user scripts.
2775 * - 'special' - "preferences" that are not accessible via User::getOptions
2776 * or User::setOptions.
2777 * - 'unused' - preferences about which MediaWiki doesn't know anything.
2778 * These are usually legacy options, removed in newer versions.
2779 *
2780 * The API (and possibly others) use this function to determine the possible
2781 * option types for validation purposes, so make sure to update this when a
2782 * new option kind is added.
2783 *
2784 * @see User::getOptionKinds
2785 * @return array Option kinds
2786 */
2787 public static function listOptionKinds() {
2788 return array(
2789 'registered',
2790 'registered-multiselect',
2791 'registered-checkmatrix',
2792 'userjs',
2793 'special',
2794 'unused'
2795 );
2796 }
2797
2798 /**
2799 * Return an associative array mapping preferences keys to the kind of a preference they're
2800 * used for. Different kinds are handled differently when setting or reading preferences.
2801 *
2802 * See User::listOptionKinds for the list of valid option types that can be provided.
2803 *
2804 * @see User::listOptionKinds
2805 * @param IContextSource $context
2806 * @param array $options Assoc. array with options keys to check as keys.
2807 * Defaults to $this->mOptions.
2808 * @return array The key => kind mapping data
2809 */
2810 public function getOptionKinds( IContextSource $context, $options = null ) {
2811 $this->loadOptions();
2812 if ( $options === null ) {
2813 $options = $this->mOptions;
2814 }
2815
2816 $prefs = Preferences::getPreferences( $this, $context );
2817 $mapping = array();
2818
2819 // Pull out the "special" options, so they don't get converted as
2820 // multiselect or checkmatrix.
2821 $specialOptions = array_fill_keys( Preferences::getSaveBlacklist(), true );
2822 foreach ( $specialOptions as $name => $value ) {
2823 unset( $prefs[$name] );
2824 }
2825
2826 // Multiselect and checkmatrix options are stored in the database with
2827 // one key per option, each having a boolean value. Extract those keys.
2828 $multiselectOptions = array();
2829 foreach ( $prefs as $name => $info ) {
2830 if ( ( isset( $info['type'] ) && $info['type'] == 'multiselect' ) ||
2831 ( isset( $info['class'] ) && $info['class'] == 'HTMLMultiSelectField' ) ) {
2832 $opts = HTMLFormField::flattenOptions( $info['options'] );
2833 $prefix = isset( $info['prefix'] ) ? $info['prefix'] : $name;
2834
2835 foreach ( $opts as $value ) {
2836 $multiselectOptions["$prefix$value"] = true;
2837 }
2838
2839 unset( $prefs[$name] );
2840 }
2841 }
2842 $checkmatrixOptions = array();
2843 foreach ( $prefs as $name => $info ) {
2844 if ( ( isset( $info['type'] ) && $info['type'] == 'checkmatrix' ) ||
2845 ( isset( $info['class'] ) && $info['class'] == 'HTMLCheckMatrix' ) ) {
2846 $columns = HTMLFormField::flattenOptions( $info['columns'] );
2847 $rows = HTMLFormField::flattenOptions( $info['rows'] );
2848 $prefix = isset( $info['prefix'] ) ? $info['prefix'] : $name;
2849
2850 foreach ( $columns as $column ) {
2851 foreach ( $rows as $row ) {
2852 $checkmatrixOptions["$prefix$column-$row"] = true;
2853 }
2854 }
2855
2856 unset( $prefs[$name] );
2857 }
2858 }
2859
2860 // $value is ignored
2861 foreach ( $options as $key => $value ) {
2862 if ( isset( $prefs[$key] ) ) {
2863 $mapping[$key] = 'registered';
2864 } elseif ( isset( $multiselectOptions[$key] ) ) {
2865 $mapping[$key] = 'registered-multiselect';
2866 } elseif ( isset( $checkmatrixOptions[$key] ) ) {
2867 $mapping[$key] = 'registered-checkmatrix';
2868 } elseif ( isset( $specialOptions[$key] ) ) {
2869 $mapping[$key] = 'special';
2870 } elseif ( substr( $key, 0, 7 ) === 'userjs-' ) {
2871 $mapping[$key] = 'userjs';
2872 } else {
2873 $mapping[$key] = 'unused';
2874 }
2875 }
2876
2877 return $mapping;
2878 }
2879
2880 /**
2881 * Reset certain (or all) options to the site defaults
2882 *
2883 * The optional parameter determines which kinds of preferences will be reset.
2884 * Supported values are everything that can be reported by getOptionKinds()
2885 * and 'all', which forces a reset of *all* preferences and overrides everything else.
2886 *
2887 * @param array|string $resetKinds Which kinds of preferences to reset. Defaults to
2888 * array( 'registered', 'registered-multiselect', 'registered-checkmatrix', 'unused' )
2889 * for backwards-compatibility.
2890 * @param IContextSource|null $context Context source used when $resetKinds
2891 * does not contain 'all', passed to getOptionKinds().
2892 * Defaults to RequestContext::getMain() when null.
2893 */
2894 public function resetOptions(
2895 $resetKinds = array( 'registered', 'registered-multiselect', 'registered-checkmatrix', 'unused' ),
2896 IContextSource $context = null
2897 ) {
2898 $this->load();
2899 $defaultOptions = self::getDefaultOptions();
2900
2901 if ( !is_array( $resetKinds ) ) {
2902 $resetKinds = array( $resetKinds );
2903 }
2904
2905 if ( in_array( 'all', $resetKinds ) ) {
2906 $newOptions = $defaultOptions;
2907 } else {
2908 if ( $context === null ) {
2909 $context = RequestContext::getMain();
2910 }
2911
2912 $optionKinds = $this->getOptionKinds( $context );
2913 $resetKinds = array_intersect( $resetKinds, self::listOptionKinds() );
2914 $newOptions = array();
2915
2916 // Use default values for the options that should be deleted, and
2917 // copy old values for the ones that shouldn't.
2918 foreach ( $this->mOptions as $key => $value ) {
2919 if ( in_array( $optionKinds[$key], $resetKinds ) ) {
2920 if ( array_key_exists( $key, $defaultOptions ) ) {
2921 $newOptions[$key] = $defaultOptions[$key];
2922 }
2923 } else {
2924 $newOptions[$key] = $value;
2925 }
2926 }
2927 }
2928
2929 Hooks::run( 'UserResetAllOptions', array( $this, &$newOptions, $this->mOptions, $resetKinds ) );
2930
2931 $this->mOptions = $newOptions;
2932 $this->mOptionsLoaded = true;
2933 }
2934
2935 /**
2936 * Get the user's preferred date format.
2937 * @return string User's preferred date format
2938 */
2939 public function getDatePreference() {
2940 // Important migration for old data rows
2941 if ( is_null( $this->mDatePreference ) ) {
2942 global $wgLang;
2943 $value = $this->getOption( 'date' );
2944 $map = $wgLang->getDatePreferenceMigrationMap();
2945 if ( isset( $map[$value] ) ) {
2946 $value = $map[$value];
2947 }
2948 $this->mDatePreference = $value;
2949 }
2950 return $this->mDatePreference;
2951 }
2952
2953 /**
2954 * Determine based on the wiki configuration and the user's options,
2955 * whether this user must be over HTTPS no matter what.
2956 *
2957 * @return bool
2958 */
2959 public function requiresHTTPS() {
2960 global $wgSecureLogin;
2961 if ( !$wgSecureLogin ) {
2962 return false;
2963 } else {
2964 $https = $this->getBoolOption( 'prefershttps' );
2965 Hooks::run( 'UserRequiresHTTPS', array( $this, &$https ) );
2966 if ( $https ) {
2967 $https = wfCanIPUseHTTPS( $this->getRequest()->getIP() );
2968 }
2969 return $https;
2970 }
2971 }
2972
2973 /**
2974 * Get the user preferred stub threshold
2975 *
2976 * @return int
2977 */
2978 public function getStubThreshold() {
2979 global $wgMaxArticleSize; # Maximum article size, in Kb
2980 $threshold = $this->getIntOption( 'stubthreshold' );
2981 if ( $threshold > $wgMaxArticleSize * 1024 ) {
2982 // If they have set an impossible value, disable the preference
2983 // so we can use the parser cache again.
2984 $threshold = 0;
2985 }
2986 return $threshold;
2987 }
2988
2989 /**
2990 * Get the permissions this user has.
2991 * @return array Array of String permission names
2992 */
2993 public function getRights() {
2994 if ( is_null( $this->mRights ) ) {
2995 $this->mRights = self::getGroupPermissions( $this->getEffectiveGroups() );
2996 Hooks::run( 'UserGetRights', array( $this, &$this->mRights ) );
2997 // Force reindexation of rights when a hook has unset one of them
2998 $this->mRights = array_values( array_unique( $this->mRights ) );
2999 }
3000 return $this->mRights;
3001 }
3002
3003 /**
3004 * Get the list of explicit group memberships this user has.
3005 * The implicit * and user groups are not included.
3006 * @return array Array of String internal group names
3007 */
3008 public function getGroups() {
3009 $this->load();
3010 $this->loadGroups();
3011 return $this->mGroups;
3012 }
3013
3014 /**
3015 * Get the list of implicit group memberships this user has.
3016 * This includes all explicit groups, plus 'user' if logged in,
3017 * '*' for all accounts, and autopromoted groups
3018 * @param bool $recache Whether to avoid the cache
3019 * @return array Array of String internal group names
3020 */
3021 public function getEffectiveGroups( $recache = false ) {
3022 if ( $recache || is_null( $this->mEffectiveGroups ) ) {
3023 $this->mEffectiveGroups = array_unique( array_merge(
3024 $this->getGroups(), // explicit groups
3025 $this->getAutomaticGroups( $recache ) // implicit groups
3026 ) );
3027 // Hook for additional groups
3028 Hooks::run( 'UserEffectiveGroups', array( &$this, &$this->mEffectiveGroups ) );
3029 // Force reindexation of groups when a hook has unset one of them
3030 $this->mEffectiveGroups = array_values( array_unique( $this->mEffectiveGroups ) );
3031 }
3032 return $this->mEffectiveGroups;
3033 }
3034
3035 /**
3036 * Get the list of implicit group memberships this user has.
3037 * This includes 'user' if logged in, '*' for all accounts,
3038 * and autopromoted groups
3039 * @param bool $recache Whether to avoid the cache
3040 * @return array Array of String internal group names
3041 */
3042 public function getAutomaticGroups( $recache = false ) {
3043 if ( $recache || is_null( $this->mImplicitGroups ) ) {
3044 $this->mImplicitGroups = array( '*' );
3045 if ( $this->getId() ) {
3046 $this->mImplicitGroups[] = 'user';
3047
3048 $this->mImplicitGroups = array_unique( array_merge(
3049 $this->mImplicitGroups,
3050 Autopromote::getAutopromoteGroups( $this )
3051 ) );
3052 }
3053 if ( $recache ) {
3054 // Assure data consistency with rights/groups,
3055 // as getEffectiveGroups() depends on this function
3056 $this->mEffectiveGroups = null;
3057 }
3058 }
3059 return $this->mImplicitGroups;
3060 }
3061
3062 /**
3063 * Returns the groups the user has belonged to.
3064 *
3065 * The user may still belong to the returned groups. Compare with getGroups().
3066 *
3067 * The function will not return groups the user had belonged to before MW 1.17
3068 *
3069 * @return array Names of the groups the user has belonged to.
3070 */
3071 public function getFormerGroups() {
3072 $this->load();
3073
3074 if ( is_null( $this->mFormerGroups ) ) {
3075 $db = ( $this->queryFlagsUsed & self::READ_LATEST )
3076 ? wfGetDB( DB_MASTER )
3077 : wfGetDB( DB_SLAVE );
3078 $res = $db->select( 'user_former_groups',
3079 array( 'ufg_group' ),
3080 array( 'ufg_user' => $this->mId ),
3081 __METHOD__ );
3082 $this->mFormerGroups = array();
3083 foreach ( $res as $row ) {
3084 $this->mFormerGroups[] = $row->ufg_group;
3085 }
3086 }
3087
3088 return $this->mFormerGroups;
3089 }
3090
3091 /**
3092 * Get the user's edit count.
3093 * @return int|null Null for anonymous users
3094 */
3095 public function getEditCount() {
3096 if ( !$this->getId() ) {
3097 return null;
3098 }
3099
3100 if ( $this->mEditCount === null ) {
3101 /* Populate the count, if it has not been populated yet */
3102 $dbr = wfGetDB( DB_SLAVE );
3103 // check if the user_editcount field has been initialized
3104 $count = $dbr->selectField(
3105 'user', 'user_editcount',
3106 array( 'user_id' => $this->mId ),
3107 __METHOD__
3108 );
3109
3110 if ( $count === null ) {
3111 // it has not been initialized. do so.
3112 $count = $this->initEditCount();
3113 }
3114 $this->mEditCount = $count;
3115 }
3116 return (int)$this->mEditCount;
3117 }
3118
3119 /**
3120 * Add the user to the given group.
3121 * This takes immediate effect.
3122 * @param string $group Name of the group to add
3123 * @return bool
3124 */
3125 public function addGroup( $group ) {
3126 $this->load();
3127
3128 if ( !Hooks::run( 'UserAddGroup', array( $this, &$group ) ) ) {
3129 return false;
3130 }
3131
3132 $dbw = wfGetDB( DB_MASTER );
3133 if ( $this->getId() ) {
3134 $dbw->insert( 'user_groups',
3135 array(
3136 'ug_user' => $this->getID(),
3137 'ug_group' => $group,
3138 ),
3139 __METHOD__,
3140 array( 'IGNORE' ) );
3141 }
3142
3143 $this->loadGroups();
3144 $this->mGroups[] = $group;
3145 // In case loadGroups was not called before, we now have the right twice.
3146 // Get rid of the duplicate.
3147 $this->mGroups = array_unique( $this->mGroups );
3148
3149 // Refresh the groups caches, and clear the rights cache so it will be
3150 // refreshed on the next call to $this->getRights().
3151 $this->getEffectiveGroups( true );
3152 $this->mRights = null;
3153
3154 $this->invalidateCache();
3155
3156 return true;
3157 }
3158
3159 /**
3160 * Remove the user from the given group.
3161 * This takes immediate effect.
3162 * @param string $group Name of the group to remove
3163 * @return bool
3164 */
3165 public function removeGroup( $group ) {
3166 $this->load();
3167 if ( !Hooks::run( 'UserRemoveGroup', array( $this, &$group ) ) ) {
3168 return false;
3169 }
3170
3171 $dbw = wfGetDB( DB_MASTER );
3172 $dbw->delete( 'user_groups',
3173 array(
3174 'ug_user' => $this->getID(),
3175 'ug_group' => $group,
3176 ), __METHOD__
3177 );
3178 // Remember that the user was in this group
3179 $dbw->insert( 'user_former_groups',
3180 array(
3181 'ufg_user' => $this->getID(),
3182 'ufg_group' => $group,
3183 ),
3184 __METHOD__,
3185 array( 'IGNORE' )
3186 );
3187
3188 $this->loadGroups();
3189 $this->mGroups = array_diff( $this->mGroups, array( $group ) );
3190
3191 // Refresh the groups caches, and clear the rights cache so it will be
3192 // refreshed on the next call to $this->getRights().
3193 $this->getEffectiveGroups( true );
3194 $this->mRights = null;
3195
3196 $this->invalidateCache();
3197
3198 return true;
3199 }
3200
3201 /**
3202 * Get whether the user is logged in
3203 * @return bool
3204 */
3205 public function isLoggedIn() {
3206 return $this->getID() != 0;
3207 }
3208
3209 /**
3210 * Get whether the user is anonymous
3211 * @return bool
3212 */
3213 public function isAnon() {
3214 return !$this->isLoggedIn();
3215 }
3216
3217 /**
3218 * Check if user is allowed to access a feature / make an action
3219 *
3220 * @param string ... Permissions to test
3221 * @return bool True if user is allowed to perform *any* of the given actions
3222 */
3223 public function isAllowedAny() {
3224 $permissions = func_get_args();
3225 foreach ( $permissions as $permission ) {
3226 if ( $this->isAllowed( $permission ) ) {
3227 return true;
3228 }
3229 }
3230 return false;
3231 }
3232
3233 /**
3234 *
3235 * @param string ... Permissions to test
3236 * @return bool True if the user is allowed to perform *all* of the given actions
3237 */
3238 public function isAllowedAll() {
3239 $permissions = func_get_args();
3240 foreach ( $permissions as $permission ) {
3241 if ( !$this->isAllowed( $permission ) ) {
3242 return false;
3243 }
3244 }
3245 return true;
3246 }
3247
3248 /**
3249 * Internal mechanics of testing a permission
3250 * @param string $action
3251 * @return bool
3252 */
3253 public function isAllowed( $action = '' ) {
3254 if ( $action === '' ) {
3255 return true; // In the spirit of DWIM
3256 }
3257 // Patrolling may not be enabled
3258 if ( $action === 'patrol' || $action === 'autopatrol' ) {
3259 global $wgUseRCPatrol, $wgUseNPPatrol;
3260 if ( !$wgUseRCPatrol && !$wgUseNPPatrol ) {
3261 return false;
3262 }
3263 }
3264 // Use strict parameter to avoid matching numeric 0 accidentally inserted
3265 // by misconfiguration: 0 == 'foo'
3266 return in_array( $action, $this->getRights(), true );
3267 }
3268
3269 /**
3270 * Check whether to enable recent changes patrol features for this user
3271 * @return bool True or false
3272 */
3273 public function useRCPatrol() {
3274 global $wgUseRCPatrol;
3275 return $wgUseRCPatrol && $this->isAllowedAny( 'patrol', 'patrolmarks' );
3276 }
3277
3278 /**
3279 * Check whether to enable new pages patrol features for this user
3280 * @return bool True or false
3281 */
3282 public function useNPPatrol() {
3283 global $wgUseRCPatrol, $wgUseNPPatrol;
3284 return (
3285 ( $wgUseRCPatrol || $wgUseNPPatrol )
3286 && ( $this->isAllowedAny( 'patrol', 'patrolmarks' ) )
3287 );
3288 }
3289
3290 /**
3291 * Get the WebRequest object to use with this object
3292 *
3293 * @return WebRequest
3294 */
3295 public function getRequest() {
3296 if ( $this->mRequest ) {
3297 return $this->mRequest;
3298 } else {
3299 global $wgRequest;
3300 return $wgRequest;
3301 }
3302 }
3303
3304 /**
3305 * Get the current skin, loading it if required
3306 * @return Skin The current skin
3307 * @todo FIXME: Need to check the old failback system [AV]
3308 * @deprecated since 1.18 Use ->getSkin() in the most relevant outputting context you have
3309 */
3310 public function getSkin() {
3311 wfDeprecated( __METHOD__, '1.18' );
3312 return RequestContext::getMain()->getSkin();
3313 }
3314
3315 /**
3316 * Get a WatchedItem for this user and $title.
3317 *
3318 * @since 1.22 $checkRights parameter added
3319 * @param Title $title
3320 * @param int $checkRights Whether to check 'viewmywatchlist'/'editmywatchlist' rights.
3321 * Pass WatchedItem::CHECK_USER_RIGHTS or WatchedItem::IGNORE_USER_RIGHTS.
3322 * @return WatchedItem
3323 */
3324 public function getWatchedItem( $title, $checkRights = WatchedItem::CHECK_USER_RIGHTS ) {
3325 $key = $checkRights . ':' . $title->getNamespace() . ':' . $title->getDBkey();
3326
3327 if ( isset( $this->mWatchedItems[$key] ) ) {
3328 return $this->mWatchedItems[$key];
3329 }
3330
3331 if ( count( $this->mWatchedItems ) >= self::MAX_WATCHED_ITEMS_CACHE ) {
3332 $this->mWatchedItems = array();
3333 }
3334
3335 $this->mWatchedItems[$key] = WatchedItem::fromUserTitle( $this, $title, $checkRights );
3336 return $this->mWatchedItems[$key];
3337 }
3338
3339 /**
3340 * Check the watched status of an article.
3341 * @since 1.22 $checkRights parameter added
3342 * @param Title $title Title of the article to look at
3343 * @param int $checkRights Whether to check 'viewmywatchlist'/'editmywatchlist' rights.
3344 * Pass WatchedItem::CHECK_USER_RIGHTS or WatchedItem::IGNORE_USER_RIGHTS.
3345 * @return bool
3346 */
3347 public function isWatched( $title, $checkRights = WatchedItem::CHECK_USER_RIGHTS ) {
3348 return $this->getWatchedItem( $title, $checkRights )->isWatched();
3349 }
3350
3351 /**
3352 * Watch an article.
3353 * @since 1.22 $checkRights parameter added
3354 * @param Title $title Title of the article to look at
3355 * @param int $checkRights Whether to check 'viewmywatchlist'/'editmywatchlist' rights.
3356 * Pass WatchedItem::CHECK_USER_RIGHTS or WatchedItem::IGNORE_USER_RIGHTS.
3357 */
3358 public function addWatch( $title, $checkRights = WatchedItem::CHECK_USER_RIGHTS ) {
3359 $this->getWatchedItem( $title, $checkRights )->addWatch();
3360 $this->invalidateCache();
3361 }
3362
3363 /**
3364 * Stop watching an article.
3365 * @since 1.22 $checkRights parameter added
3366 * @param Title $title Title of the article to look at
3367 * @param int $checkRights Whether to check 'viewmywatchlist'/'editmywatchlist' rights.
3368 * Pass WatchedItem::CHECK_USER_RIGHTS or WatchedItem::IGNORE_USER_RIGHTS.
3369 */
3370 public function removeWatch( $title, $checkRights = WatchedItem::CHECK_USER_RIGHTS ) {
3371 $this->getWatchedItem( $title, $checkRights )->removeWatch();
3372 $this->invalidateCache();
3373 }
3374
3375 /**
3376 * Clear the user's notification timestamp for the given title.
3377 * If e-notif e-mails are on, they will receive notification mails on
3378 * the next change of the page if it's watched etc.
3379 * @note If the user doesn't have 'editmywatchlist', this will do nothing.
3380 * @param Title $title Title of the article to look at
3381 * @param int $oldid The revision id being viewed. If not given or 0, latest revision is assumed.
3382 */
3383 public function clearNotification( &$title, $oldid = 0 ) {
3384 global $wgUseEnotif, $wgShowUpdatedMarker;
3385
3386 // Do nothing if the database is locked to writes
3387 if ( wfReadOnly() ) {
3388 return;
3389 }
3390
3391 // Do nothing if not allowed to edit the watchlist
3392 if ( !$this->isAllowed( 'editmywatchlist' ) ) {
3393 return;
3394 }
3395
3396 // If we're working on user's talk page, we should update the talk page message indicator
3397 if ( $title->getNamespace() == NS_USER_TALK && $title->getText() == $this->getName() ) {
3398 if ( !Hooks::run( 'UserClearNewTalkNotification', array( &$this, $oldid ) ) ) {
3399 return;
3400 }
3401
3402 $that = $this;
3403 // Try to update the DB post-send and only if needed...
3404 DeferredUpdates::addCallableUpdate( function() use ( $that, $title, $oldid ) {
3405 if ( !$that->getNewtalk() ) {
3406 return; // no notifications to clear
3407 }
3408
3409 // Delete the last notifications (they stack up)
3410 $that->setNewtalk( false );
3411
3412 // If there is a new, unseen, revision, use its timestamp
3413 $nextid = $oldid
3414 ? $title->getNextRevisionID( $oldid, Title::GAID_FOR_UPDATE )
3415 : null;
3416 if ( $nextid ) {
3417 $that->setNewtalk( true, Revision::newFromId( $nextid ) );
3418 }
3419 } );
3420 }
3421
3422 if ( !$wgUseEnotif && !$wgShowUpdatedMarker ) {
3423 return;
3424 }
3425
3426 if ( $this->isAnon() ) {
3427 // Nothing else to do...
3428 return;
3429 }
3430
3431 // Only update the timestamp if the page is being watched.
3432 // The query to find out if it is watched is cached both in memcached and per-invocation,
3433 // and when it does have to be executed, it can be on a slave
3434 // If this is the user's newtalk page, we always update the timestamp
3435 $force = '';
3436 if ( $title->getNamespace() == NS_USER_TALK && $title->getText() == $this->getName() ) {
3437 $force = 'force';
3438 }
3439
3440 $this->getWatchedItem( $title )->resetNotificationTimestamp(
3441 $force, $oldid, WatchedItem::DEFERRED
3442 );
3443 }
3444
3445 /**
3446 * Resets all of the given user's page-change notification timestamps.
3447 * If e-notif e-mails are on, they will receive notification mails on
3448 * the next change of any watched page.
3449 * @note If the user doesn't have 'editmywatchlist', this will do nothing.
3450 */
3451 public function clearAllNotifications() {
3452 if ( wfReadOnly() ) {
3453 return;
3454 }
3455
3456 // Do nothing if not allowed to edit the watchlist
3457 if ( !$this->isAllowed( 'editmywatchlist' ) ) {
3458 return;
3459 }
3460
3461 global $wgUseEnotif, $wgShowUpdatedMarker;
3462 if ( !$wgUseEnotif && !$wgShowUpdatedMarker ) {
3463 $this->setNewtalk( false );
3464 return;
3465 }
3466 $id = $this->getId();
3467 if ( $id != 0 ) {
3468 $dbw = wfGetDB( DB_MASTER );
3469 $dbw->update( 'watchlist',
3470 array( /* SET */ 'wl_notificationtimestamp' => null ),
3471 array( /* WHERE */ 'wl_user' => $id, 'wl_notificationtimestamp IS NOT NULL' ),
3472 __METHOD__
3473 );
3474 // We also need to clear here the "you have new message" notification for the own user_talk page;
3475 // it's cleared one page view later in WikiPage::doViewUpdates().
3476 }
3477 }
3478
3479 /**
3480 * Set a cookie on the user's client. Wrapper for
3481 * WebResponse::setCookie
3482 * @param string $name Name of the cookie to set
3483 * @param string $value Value to set
3484 * @param int $exp Expiration time, as a UNIX time value;
3485 * if 0 or not specified, use the default $wgCookieExpiration
3486 * @param bool $secure
3487 * true: Force setting the secure attribute when setting the cookie
3488 * false: Force NOT setting the secure attribute when setting the cookie
3489 * null (default): Use the default ($wgCookieSecure) to set the secure attribute
3490 * @param array $params Array of options sent passed to WebResponse::setcookie()
3491 * @param WebRequest|null $request WebRequest object to use; $wgRequest will be used if null
3492 * is passed.
3493 */
3494 protected function setCookie(
3495 $name, $value, $exp = 0, $secure = null, $params = array(), $request = null
3496 ) {
3497 if ( $request === null ) {
3498 $request = $this->getRequest();
3499 }
3500 $params['secure'] = $secure;
3501 $request->response()->setcookie( $name, $value, $exp, $params );
3502 }
3503
3504 /**
3505 * Clear a cookie on the user's client
3506 * @param string $name Name of the cookie to clear
3507 * @param bool $secure
3508 * true: Force setting the secure attribute when setting the cookie
3509 * false: Force NOT setting the secure attribute when setting the cookie
3510 * null (default): Use the default ($wgCookieSecure) to set the secure attribute
3511 * @param array $params Array of options sent passed to WebResponse::setcookie()
3512 */
3513 protected function clearCookie( $name, $secure = null, $params = array() ) {
3514 $this->setCookie( $name, '', time() - 86400, $secure, $params );
3515 }
3516
3517 /**
3518 * Set an extended login cookie on the user's client. The expiry of the cookie
3519 * is controlled by the $wgExtendedLoginCookieExpiration configuration
3520 * variable.
3521 *
3522 * @see User::setCookie
3523 *
3524 * @param string $name Name of the cookie to set
3525 * @param string $value Value to set
3526 * @param bool $secure
3527 * true: Force setting the secure attribute when setting the cookie
3528 * false: Force NOT setting the secure attribute when setting the cookie
3529 * null (default): Use the default ($wgCookieSecure) to set the secure attribute
3530 */
3531 protected function setExtendedLoginCookie( $name, $value, $secure ) {
3532 global $wgExtendedLoginCookieExpiration, $wgCookieExpiration;
3533
3534 $exp = time();
3535 $exp += $wgExtendedLoginCookieExpiration !== null
3536 ? $wgExtendedLoginCookieExpiration
3537 : $wgCookieExpiration;
3538
3539 $this->setCookie( $name, $value, $exp, $secure );
3540 }
3541
3542 /**
3543 * Set the default cookies for this session on the user's client.
3544 *
3545 * @param WebRequest|null $request WebRequest object to use; $wgRequest will be used if null
3546 * is passed.
3547 * @param bool $secure Whether to force secure/insecure cookies or use default
3548 * @param bool $rememberMe Whether to add a Token cookie for elongated sessions
3549 */
3550 public function setCookies( $request = null, $secure = null, $rememberMe = false ) {
3551 global $wgExtendedLoginCookies;
3552
3553 if ( $request === null ) {
3554 $request = $this->getRequest();
3555 }
3556
3557 $this->load();
3558 if ( 0 == $this->mId ) {
3559 return;
3560 }
3561 if ( !$this->mToken ) {
3562 // When token is empty or NULL generate a new one and then save it to the database
3563 // This allows a wiki to re-secure itself after a leak of it's user table or $wgSecretKey
3564 // Simply by setting every cell in the user_token column to NULL and letting them be
3565 // regenerated as users log back into the wiki.
3566 $this->setToken();
3567 if ( !wfReadOnly() ) {
3568 $this->saveSettings();
3569 }
3570 }
3571 $session = array(
3572 'wsUserID' => $this->mId,
3573 'wsToken' => $this->mToken,
3574 'wsUserName' => $this->getName()
3575 );
3576 $cookies = array(
3577 'UserID' => $this->mId,
3578 'UserName' => $this->getName(),
3579 );
3580 if ( $rememberMe ) {
3581 $cookies['Token'] = $this->mToken;
3582 } else {
3583 $cookies['Token'] = false;
3584 }
3585
3586 Hooks::run( 'UserSetCookies', array( $this, &$session, &$cookies ) );
3587
3588 foreach ( $session as $name => $value ) {
3589 $request->setSessionData( $name, $value );
3590 }
3591 foreach ( $cookies as $name => $value ) {
3592 if ( $value === false ) {
3593 $this->clearCookie( $name );
3594 } elseif ( $rememberMe && in_array( $name, $wgExtendedLoginCookies ) ) {
3595 $this->setExtendedLoginCookie( $name, $value, $secure );
3596 } else {
3597 $this->setCookie( $name, $value, 0, $secure, array(), $request );
3598 }
3599 }
3600
3601 /**
3602 * If wpStickHTTPS was selected, also set an insecure cookie that
3603 * will cause the site to redirect the user to HTTPS, if they access
3604 * it over HTTP. Bug 29898. Use an un-prefixed cookie, so it's the same
3605 * as the one set by centralauth (bug 53538). Also set it to session, or
3606 * standard time setting, based on if rememberme was set.
3607 */
3608 if ( $request->getCheck( 'wpStickHTTPS' ) || $this->requiresHTTPS() ) {
3609 $this->setCookie(
3610 'forceHTTPS',
3611 'true',
3612 $rememberMe ? 0 : null,
3613 false,
3614 array( 'prefix' => '' ) // no prefix
3615 );
3616 }
3617 }
3618
3619 /**
3620 * Log this user out.
3621 */
3622 public function logout() {
3623 if ( Hooks::run( 'UserLogout', array( &$this ) ) ) {
3624 $this->doLogout();
3625 }
3626 }
3627
3628 /**
3629 * Clear the user's cookies and session, and reset the instance cache.
3630 * @see logout()
3631 */
3632 public function doLogout() {
3633 $this->clearInstanceCache( 'defaults' );
3634
3635 $this->getRequest()->setSessionData( 'wsUserID', 0 );
3636
3637 $this->clearCookie( 'UserID' );
3638 $this->clearCookie( 'Token' );
3639 $this->clearCookie( 'forceHTTPS', false, array( 'prefix' => '' ) );
3640
3641 // Remember when user logged out, to prevent seeing cached pages
3642 $this->setCookie( 'LoggedOut', time(), time() + 86400 );
3643 }
3644
3645 /**
3646 * Save this user's settings into the database.
3647 * @todo Only rarely do all these fields need to be set!
3648 */
3649 public function saveSettings() {
3650 global $wgAuth;
3651
3652 if ( wfReadOnly() ) {
3653 // @TODO: caller should deal with this instead!
3654 // This should really just be an exception.
3655 MWExceptionHandler::logException( new DBExpectedError(
3656 null,
3657 "Could not update user with ID '{$this->mId}'; DB is read-only."
3658 ) );
3659 return;
3660 }
3661
3662 $this->load();
3663 $this->loadPasswords();
3664 if ( 0 == $this->mId ) {
3665 return; // anon
3666 }
3667
3668 // Get a new user_touched that is higher than the old one.
3669 // This will be used for a CAS check as a last-resort safety
3670 // check against race conditions and slave lag.
3671 $oldTouched = $this->mTouched;
3672 $newTouched = $this->newTouchedTimestamp();
3673
3674 if ( !$wgAuth->allowSetLocalPassword() ) {
3675 $this->mPassword = self::getPasswordFactory()->newFromCiphertext( null );
3676 }
3677
3678 $dbw = wfGetDB( DB_MASTER );
3679 $dbw->update( 'user',
3680 array( /* SET */
3681 'user_name' => $this->mName,
3682 'user_password' => $this->mPassword->toString(),
3683 'user_newpassword' => $this->mNewpassword->toString(),
3684 'user_newpass_time' => $dbw->timestampOrNull( $this->mNewpassTime ),
3685 'user_real_name' => $this->mRealName,
3686 'user_email' => $this->mEmail,
3687 'user_email_authenticated' => $dbw->timestampOrNull( $this->mEmailAuthenticated ),
3688 'user_touched' => $dbw->timestamp( $newTouched ),
3689 'user_token' => strval( $this->mToken ),
3690 'user_email_token' => $this->mEmailToken,
3691 'user_email_token_expires' => $dbw->timestampOrNull( $this->mEmailTokenExpires ),
3692 'user_password_expires' => $dbw->timestampOrNull( $this->mPasswordExpires ),
3693 ), array( /* WHERE */
3694 'user_id' => $this->mId,
3695 'user_touched' => $dbw->timestamp( $oldTouched ) // CAS check
3696 ), __METHOD__
3697 );
3698
3699 if ( !$dbw->affectedRows() ) {
3700 // Maybe the problem was a missed cache update; clear it to be safe
3701 $this->clearSharedCache();
3702 // User was changed in the meantime or loaded with stale data
3703 $from = ( $this->queryFlagsUsed & self::READ_LATEST ) ? 'master' : 'slave';
3704 throw new MWException(
3705 "CAS update failed on user_touched for user ID '{$this->mId}' (read from $from);" .
3706 " the version of the user to be saved is older than the current version."
3707 );
3708 }
3709
3710 $this->mTouched = $newTouched;
3711 $this->saveOptions();
3712
3713 Hooks::run( 'UserSaveSettings', array( $this ) );
3714 $this->clearSharedCache();
3715 $this->getUserPage()->invalidateCache();
3716 }
3717
3718 /**
3719 * If only this user's username is known, and it exists, return the user ID.
3720 *
3721 * @param int $flags Bitfield of User:READ_* constants; useful for existence checks
3722 * @return int
3723 */
3724 public function idForName( $flags = 0 ) {
3725 $s = trim( $this->getName() );
3726 if ( $s === '' ) {
3727 return 0;
3728 }
3729
3730 $db = ( ( $flags & self::READ_LATEST ) == self::READ_LATEST )
3731 ? wfGetDB( DB_MASTER )
3732 : wfGetDB( DB_SLAVE );
3733
3734 $options = ( ( $flags & self::READ_LOCKING ) == self::READ_LOCKING )
3735 ? array( 'LOCK IN SHARE MODE' )
3736 : array();
3737
3738 $id = $db->selectField( 'user',
3739 'user_id', array( 'user_name' => $s ), __METHOD__, $options );
3740
3741 return (int)$id;
3742 }
3743
3744 /**
3745 * Add a user to the database, return the user object
3746 *
3747 * @param string $name Username to add
3748 * @param array $params Array of Strings Non-default parameters to save to
3749 * the database as user_* fields:
3750 * - password: The user's password hash. Password logins will be disabled
3751 * if this is omitted.
3752 * - newpassword: Hash for a temporary password that has been mailed to
3753 * the user.
3754 * - email: The user's email address.
3755 * - email_authenticated: The email authentication timestamp.
3756 * - real_name: The user's real name.
3757 * - options: An associative array of non-default options.
3758 * - token: Random authentication token. Do not set.
3759 * - registration: Registration timestamp. Do not set.
3760 *
3761 * @return User|null User object, or null if the username already exists.
3762 */
3763 public static function createNew( $name, $params = array() ) {
3764 $user = new User;
3765 $user->load();
3766 $user->loadPasswords();
3767 $user->setToken(); // init token
3768 if ( isset( $params['options'] ) ) {
3769 $user->mOptions = $params['options'] + (array)$user->mOptions;
3770 unset( $params['options'] );
3771 }
3772 $dbw = wfGetDB( DB_MASTER );
3773 $seqVal = $dbw->nextSequenceValue( 'user_user_id_seq' );
3774
3775 $fields = array(
3776 'user_id' => $seqVal,
3777 'user_name' => $name,
3778 'user_password' => $user->mPassword->toString(),
3779 'user_newpassword' => $user->mNewpassword->toString(),
3780 'user_newpass_time' => $dbw->timestampOrNull( $user->mNewpassTime ),
3781 'user_email' => $user->mEmail,
3782 'user_email_authenticated' => $dbw->timestampOrNull( $user->mEmailAuthenticated ),
3783 'user_real_name' => $user->mRealName,
3784 'user_token' => strval( $user->mToken ),
3785 'user_registration' => $dbw->timestamp( $user->mRegistration ),
3786 'user_editcount' => 0,
3787 'user_touched' => $dbw->timestamp( $user->newTouchedTimestamp() ),
3788 );
3789 foreach ( $params as $name => $value ) {
3790 $fields["user_$name"] = $value;
3791 }
3792 $dbw->insert( 'user', $fields, __METHOD__, array( 'IGNORE' ) );
3793 if ( $dbw->affectedRows() ) {
3794 $newUser = User::newFromId( $dbw->insertId() );
3795 } else {
3796 $newUser = null;
3797 }
3798 return $newUser;
3799 }
3800
3801 /**
3802 * Add this existing user object to the database. If the user already
3803 * exists, a fatal status object is returned, and the user object is
3804 * initialised with the data from the database.
3805 *
3806 * Previously, this function generated a DB error due to a key conflict
3807 * if the user already existed. Many extension callers use this function
3808 * in code along the lines of:
3809 *
3810 * $user = User::newFromName( $name );
3811 * if ( !$user->isLoggedIn() ) {
3812 * $user->addToDatabase();
3813 * }
3814 * // do something with $user...
3815 *
3816 * However, this was vulnerable to a race condition (bug 16020). By
3817 * initialising the user object if the user exists, we aim to support this
3818 * calling sequence as far as possible.
3819 *
3820 * Note that if the user exists, this function will acquire a write lock,
3821 * so it is still advisable to make the call conditional on isLoggedIn(),
3822 * and to commit the transaction after calling.
3823 *
3824 * @throws MWException
3825 * @return Status
3826 */
3827 public function addToDatabase() {
3828 $this->load();
3829 $this->loadPasswords();
3830 if ( !$this->mToken ) {
3831 $this->setToken(); // init token
3832 }
3833
3834 $this->mTouched = $this->newTouchedTimestamp();
3835
3836 $dbw = wfGetDB( DB_MASTER );
3837 $inWrite = $dbw->writesOrCallbacksPending();
3838 $seqVal = $dbw->nextSequenceValue( 'user_user_id_seq' );
3839 $dbw->insert( 'user',
3840 array(
3841 'user_id' => $seqVal,
3842 'user_name' => $this->mName,
3843 'user_password' => $this->mPassword->toString(),
3844 'user_newpassword' => $this->mNewpassword->toString(),
3845 'user_newpass_time' => $dbw->timestampOrNull( $this->mNewpassTime ),
3846 'user_email' => $this->mEmail,
3847 'user_email_authenticated' => $dbw->timestampOrNull( $this->mEmailAuthenticated ),
3848 'user_real_name' => $this->mRealName,
3849 'user_token' => strval( $this->mToken ),
3850 'user_registration' => $dbw->timestamp( $this->mRegistration ),
3851 'user_editcount' => 0,
3852 'user_touched' => $dbw->timestamp( $this->mTouched ),
3853 ), __METHOD__,
3854 array( 'IGNORE' )
3855 );
3856 if ( !$dbw->affectedRows() ) {
3857 // The queries below cannot happen in the same REPEATABLE-READ snapshot.
3858 // Handle this by COMMIT, if possible, or by LOCK IN SHARE MODE otherwise.
3859 if ( $inWrite ) {
3860 // Can't commit due to pending writes that may need atomicity.
3861 // This may cause some lock contention unlike the case below.
3862 $options = array( 'LOCK IN SHARE MODE' );
3863 $flags = self::READ_LOCKING;
3864 } else {
3865 // Often, this case happens early in views before any writes when
3866 // using CentralAuth. It's should be OK to commit and break the snapshot.
3867 $dbw->commit( __METHOD__, 'flush' );
3868 $options = array();
3869 $flags = self::READ_LATEST;
3870 }
3871 $this->mId = $dbw->selectField( 'user', 'user_id',
3872 array( 'user_name' => $this->mName ), __METHOD__, $options );
3873 $loaded = false;
3874 if ( $this->mId ) {
3875 if ( $this->loadFromDatabase( $flags ) ) {
3876 $loaded = true;
3877 }
3878 }
3879 if ( !$loaded ) {
3880 throw new MWException( __METHOD__ . ": hit a key conflict attempting " .
3881 "to insert user '{$this->mName}' row, but it was not present in select!" );
3882 }
3883 return Status::newFatal( 'userexists' );
3884 }
3885 $this->mId = $dbw->insertId();
3886
3887 // Clear instance cache other than user table data, which is already accurate
3888 $this->clearInstanceCache();
3889
3890 $this->saveOptions();
3891 return Status::newGood();
3892 }
3893
3894 /**
3895 * If this user is logged-in and blocked,
3896 * block any IP address they've successfully logged in from.
3897 * @return bool A block was spread
3898 */
3899 public function spreadAnyEditBlock() {
3900 if ( $this->isLoggedIn() && $this->isBlocked() ) {
3901 return $this->spreadBlock();
3902 }
3903 return false;
3904 }
3905
3906 /**
3907 * If this (non-anonymous) user is blocked,
3908 * block the IP address they've successfully logged in from.
3909 * @return bool A block was spread
3910 */
3911 protected function spreadBlock() {
3912 wfDebug( __METHOD__ . "()\n" );
3913 $this->load();
3914 if ( $this->mId == 0 ) {
3915 return false;
3916 }
3917
3918 $userblock = Block::newFromTarget( $this->getName() );
3919 if ( !$userblock ) {
3920 return false;
3921 }
3922
3923 return (bool)$userblock->doAutoblock( $this->getRequest()->getIP() );
3924 }
3925
3926 /**
3927 * Get whether the user is explicitly blocked from account creation.
3928 * @return bool|Block
3929 */
3930 public function isBlockedFromCreateAccount() {
3931 $this->getBlockedStatus();
3932 if ( $this->mBlock && $this->mBlock->prevents( 'createaccount' ) ) {
3933 return $this->mBlock;
3934 }
3935
3936 # bug 13611: if the IP address the user is trying to create an account from is
3937 # blocked with createaccount disabled, prevent new account creation there even
3938 # when the user is logged in
3939 if ( $this->mBlockedFromCreateAccount === false && !$this->isAllowed( 'ipblock-exempt' ) ) {
3940 $this->mBlockedFromCreateAccount = Block::newFromTarget( null, $this->getRequest()->getIP() );
3941 }
3942 return $this->mBlockedFromCreateAccount instanceof Block
3943 && $this->mBlockedFromCreateAccount->prevents( 'createaccount' )
3944 ? $this->mBlockedFromCreateAccount
3945 : false;
3946 }
3947
3948 /**
3949 * Get whether the user is blocked from using Special:Emailuser.
3950 * @return bool
3951 */
3952 public function isBlockedFromEmailuser() {
3953 $this->getBlockedStatus();
3954 return $this->mBlock && $this->mBlock->prevents( 'sendemail' );
3955 }
3956
3957 /**
3958 * Get whether the user is allowed to create an account.
3959 * @return bool
3960 */
3961 public function isAllowedToCreateAccount() {
3962 return $this->isAllowed( 'createaccount' ) && !$this->isBlockedFromCreateAccount();
3963 }
3964
3965 /**
3966 * Get this user's personal page title.
3967 *
3968 * @return Title User's personal page title
3969 */
3970 public function getUserPage() {
3971 return Title::makeTitle( NS_USER, $this->getName() );
3972 }
3973
3974 /**
3975 * Get this user's talk page title.
3976 *
3977 * @return Title User's talk page title
3978 */
3979 public function getTalkPage() {
3980 $title = $this->getUserPage();
3981 return $title->getTalkPage();
3982 }
3983
3984 /**
3985 * Determine whether the user is a newbie. Newbies are either
3986 * anonymous IPs, or the most recently created accounts.
3987 * @return bool
3988 */
3989 public function isNewbie() {
3990 return !$this->isAllowed( 'autoconfirmed' );
3991 }
3992
3993 /**
3994 * Check to see if the given clear-text password is one of the accepted passwords
3995 * @param string $password User password
3996 * @return bool True if the given password is correct, otherwise False
3997 */
3998 public function checkPassword( $password ) {
3999 global $wgAuth, $wgLegacyEncoding;
4000
4001 $this->loadPasswords();
4002
4003 // Some passwords will give a fatal Status, which means there is
4004 // some sort of technical or security reason for this password to
4005 // be completely invalid and should never be checked (e.g., T64685)
4006 if ( !$this->checkPasswordValidity( $password )->isOK() ) {
4007 return false;
4008 }
4009
4010 // Certain authentication plugins do NOT want to save
4011 // domain passwords in a mysql database, so we should
4012 // check this (in case $wgAuth->strict() is false).
4013 if ( $wgAuth->authenticate( $this->getName(), $password ) ) {
4014 return true;
4015 } elseif ( $wgAuth->strict() ) {
4016 // Auth plugin doesn't allow local authentication
4017 return false;
4018 } elseif ( $wgAuth->strictUserAuth( $this->getName() ) ) {
4019 // Auth plugin doesn't allow local authentication for this user name
4020 return false;
4021 }
4022
4023 if ( !$this->mPassword->equals( $password ) ) {
4024 if ( $wgLegacyEncoding ) {
4025 // Some wikis were converted from ISO 8859-1 to UTF-8, the passwords can't be converted
4026 // Check for this with iconv
4027 $cp1252Password = iconv( 'UTF-8', 'WINDOWS-1252//TRANSLIT', $password );
4028 if ( $cp1252Password === $password || !$this->mPassword->equals( $cp1252Password ) ) {
4029 return false;
4030 }
4031 } else {
4032 return false;
4033 }
4034 }
4035
4036 $passwordFactory = self::getPasswordFactory();
4037 if ( $passwordFactory->needsUpdate( $this->mPassword ) && !wfReadOnly() ) {
4038 $this->mPassword = $passwordFactory->newFromPlaintext( $password );
4039 $this->saveSettings();
4040 }
4041
4042 return true;
4043 }
4044
4045 /**
4046 * Check if the given clear-text password matches the temporary password
4047 * sent by e-mail for password reset operations.
4048 *
4049 * @param string $plaintext
4050 *
4051 * @return bool True if matches, false otherwise
4052 */
4053 public function checkTemporaryPassword( $plaintext ) {
4054 global $wgNewPasswordExpiry;
4055
4056 $this->load();
4057 $this->loadPasswords();
4058 if ( $this->mNewpassword->equals( $plaintext ) ) {
4059 if ( is_null( $this->mNewpassTime ) ) {
4060 return true;
4061 }
4062 $expiry = wfTimestamp( TS_UNIX, $this->mNewpassTime ) + $wgNewPasswordExpiry;
4063 return ( time() < $expiry );
4064 } else {
4065 return false;
4066 }
4067 }
4068
4069 /**
4070 * Alias for getEditToken.
4071 * @deprecated since 1.19, use getEditToken instead.
4072 *
4073 * @param string|array $salt Array of Strings Optional function-specific data for hashing
4074 * @param WebRequest|null $request WebRequest object to use or null to use $wgRequest
4075 * @return string The new edit token
4076 */
4077 public function editToken( $salt = '', $request = null ) {
4078 wfDeprecated( __METHOD__, '1.19' );
4079 return $this->getEditToken( $salt, $request );
4080 }
4081
4082 /**
4083 * Internal implementation for self::getEditToken() and
4084 * self::matchEditToken().
4085 *
4086 * @param string|array $salt
4087 * @param WebRequest $request
4088 * @param string|int $timestamp
4089 * @return string
4090 */
4091 private function getEditTokenAtTimestamp( $salt, $request, $timestamp ) {
4092 if ( $this->isAnon() ) {
4093 return self::EDIT_TOKEN_SUFFIX;
4094 } else {
4095 $token = $request->getSessionData( 'wsEditToken' );
4096 if ( $token === null ) {
4097 $token = MWCryptRand::generateHex( 32 );
4098 $request->setSessionData( 'wsEditToken', $token );
4099 }
4100 if ( is_array( $salt ) ) {
4101 $salt = implode( '|', $salt );
4102 }
4103 return hash_hmac( 'md5', $timestamp . $salt, $token, false ) .
4104 dechex( $timestamp ) .
4105 self::EDIT_TOKEN_SUFFIX;
4106 }
4107 }
4108
4109 /**
4110 * Initialize (if necessary) and return a session token value
4111 * which can be used in edit forms to show that the user's
4112 * login credentials aren't being hijacked with a foreign form
4113 * submission.
4114 *
4115 * @since 1.19
4116 *
4117 * @param string|array $salt Array of Strings Optional function-specific data for hashing
4118 * @param WebRequest|null $request WebRequest object to use or null to use $wgRequest
4119 * @return string The new edit token
4120 */
4121 public function getEditToken( $salt = '', $request = null ) {
4122 return $this->getEditTokenAtTimestamp(
4123 $salt, $request ?: $this->getRequest(), wfTimestamp()
4124 );
4125 }
4126
4127 /**
4128 * Generate a looking random token for various uses.
4129 *
4130 * @return string The new random token
4131 * @deprecated since 1.20: Use MWCryptRand for secure purposes or
4132 * wfRandomString for pseudo-randomness.
4133 */
4134 public static function generateToken() {
4135 return MWCryptRand::generateHex( 32 );
4136 }
4137
4138 /**
4139 * Get the embedded timestamp from a token.
4140 * @param string $val Input token
4141 * @return int|null
4142 */
4143 public static function getEditTokenTimestamp( $val ) {
4144 $suffixLen = strlen( self::EDIT_TOKEN_SUFFIX );
4145 if ( strlen( $val ) <= 32 + $suffixLen ) {
4146 return null;
4147 }
4148
4149 return hexdec( substr( $val, 32, -$suffixLen ) );
4150 }
4151
4152 /**
4153 * Check given value against the token value stored in the session.
4154 * A match should confirm that the form was submitted from the
4155 * user's own login session, not a form submission from a third-party
4156 * site.
4157 *
4158 * @param string $val Input value to compare
4159 * @param string $salt Optional function-specific data for hashing
4160 * @param WebRequest|null $request Object to use or null to use $wgRequest
4161 * @param int $maxage Fail tokens older than this, in seconds
4162 * @return bool Whether the token matches
4163 */
4164 public function matchEditToken( $val, $salt = '', $request = null, $maxage = null ) {
4165 if ( $this->isAnon() ) {
4166 return $val === self::EDIT_TOKEN_SUFFIX;
4167 }
4168
4169 $timestamp = self::getEditTokenTimestamp( $val );
4170 if ( $timestamp === null ) {
4171 return false;
4172 }
4173 if ( $maxage !== null && $timestamp < wfTimestamp() - $maxage ) {
4174 // Expired token
4175 return false;
4176 }
4177
4178 $sessionToken = $this->getEditTokenAtTimestamp(
4179 $salt, $request ?: $this->getRequest(), $timestamp
4180 );
4181
4182 if ( $val != $sessionToken ) {
4183 wfDebug( "User::matchEditToken: broken session data\n" );
4184 }
4185
4186 return hash_equals( $sessionToken, $val );
4187 }
4188
4189 /**
4190 * Check given value against the token value stored in the session,
4191 * ignoring the suffix.
4192 *
4193 * @param string $val Input value to compare
4194 * @param string $salt Optional function-specific data for hashing
4195 * @param WebRequest|null $request Object to use or null to use $wgRequest
4196 * @param int $maxage Fail tokens older than this, in seconds
4197 * @return bool Whether the token matches
4198 */
4199 public function matchEditTokenNoSuffix( $val, $salt = '', $request = null, $maxage = null ) {
4200 $val = substr( $val, 0, strspn( $val, '0123456789abcdef' ) ) . self::EDIT_TOKEN_SUFFIX;
4201 return $this->matchEditToken( $val, $salt, $request, $maxage );
4202 }
4203
4204 /**
4205 * Generate a new e-mail confirmation token and send a confirmation/invalidation
4206 * mail to the user's given address.
4207 *
4208 * @param string $type Message to send, either "created", "changed" or "set"
4209 * @return Status
4210 */
4211 public function sendConfirmationMail( $type = 'created' ) {
4212 global $wgLang;
4213 $expiration = null; // gets passed-by-ref and defined in next line.
4214 $token = $this->confirmationToken( $expiration );
4215 $url = $this->confirmationTokenUrl( $token );
4216 $invalidateURL = $this->invalidationTokenUrl( $token );
4217 $this->saveSettings();
4218
4219 if ( $type == 'created' || $type === false ) {
4220 $message = 'confirmemail_body';
4221 } elseif ( $type === true ) {
4222 $message = 'confirmemail_body_changed';
4223 } else {
4224 // Messages: confirmemail_body_changed, confirmemail_body_set
4225 $message = 'confirmemail_body_' . $type;
4226 }
4227
4228 return $this->sendMail( wfMessage( 'confirmemail_subject' )->text(),
4229 wfMessage( $message,
4230 $this->getRequest()->getIP(),
4231 $this->getName(),
4232 $url,
4233 $wgLang->timeanddate( $expiration, false ),
4234 $invalidateURL,
4235 $wgLang->date( $expiration, false ),
4236 $wgLang->time( $expiration, false ) )->text() );
4237 }
4238
4239 /**
4240 * Send an e-mail to this user's account. Does not check for
4241 * confirmed status or validity.
4242 *
4243 * @param string $subject Message subject
4244 * @param string $body Message body
4245 * @param User|null $from Optional sending user; if unspecified, default
4246 * $wgPasswordSender will be used.
4247 * @param string $replyto Reply-To address
4248 * @return Status
4249 */
4250 public function sendMail( $subject, $body, $from = null, $replyto = null ) {
4251 global $wgPasswordSender;
4252
4253 if ( $from instanceof User ) {
4254 $sender = MailAddress::newFromUser( $from );
4255 } else {
4256 $sender = new MailAddress( $wgPasswordSender,
4257 wfMessage( 'emailsender' )->inContentLanguage()->text() );
4258 }
4259 $to = MailAddress::newFromUser( $this );
4260
4261 return UserMailer::send( $to, $sender, $subject, $body, array(
4262 'replyTo' => $replyto,
4263 ) );
4264 }
4265
4266 /**
4267 * Generate, store, and return a new e-mail confirmation code.
4268 * A hash (unsalted, since it's used as a key) is stored.
4269 *
4270 * @note Call saveSettings() after calling this function to commit
4271 * this change to the database.
4272 *
4273 * @param string &$expiration Accepts the expiration time
4274 * @return string New token
4275 */
4276 protected function confirmationToken( &$expiration ) {
4277 global $wgUserEmailConfirmationTokenExpiry;
4278 $now = time();
4279 $expires = $now + $wgUserEmailConfirmationTokenExpiry;
4280 $expiration = wfTimestamp( TS_MW, $expires );
4281 $this->load();
4282 $token = MWCryptRand::generateHex( 32 );
4283 $hash = md5( $token );
4284 $this->mEmailToken = $hash;
4285 $this->mEmailTokenExpires = $expiration;
4286 return $token;
4287 }
4288
4289 /**
4290 * Return a URL the user can use to confirm their email address.
4291 * @param string $token Accepts the email confirmation token
4292 * @return string New token URL
4293 */
4294 protected function confirmationTokenUrl( $token ) {
4295 return $this->getTokenUrl( 'ConfirmEmail', $token );
4296 }
4297
4298 /**
4299 * Return a URL the user can use to invalidate their email address.
4300 * @param string $token Accepts the email confirmation token
4301 * @return string New token URL
4302 */
4303 protected function invalidationTokenUrl( $token ) {
4304 return $this->getTokenUrl( 'InvalidateEmail', $token );
4305 }
4306
4307 /**
4308 * Internal function to format the e-mail validation/invalidation URLs.
4309 * This uses a quickie hack to use the
4310 * hardcoded English names of the Special: pages, for ASCII safety.
4311 *
4312 * @note Since these URLs get dropped directly into emails, using the
4313 * short English names avoids insanely long URL-encoded links, which
4314 * also sometimes can get corrupted in some browsers/mailers
4315 * (bug 6957 with Gmail and Internet Explorer).
4316 *
4317 * @param string $page Special page
4318 * @param string $token Token
4319 * @return string Formatted URL
4320 */
4321 protected function getTokenUrl( $page, $token ) {
4322 // Hack to bypass localization of 'Special:'
4323 $title = Title::makeTitle( NS_MAIN, "Special:$page/$token" );
4324 return $title->getCanonicalURL();
4325 }
4326
4327 /**
4328 * Mark the e-mail address confirmed.
4329 *
4330 * @note Call saveSettings() after calling this function to commit the change.
4331 *
4332 * @return bool
4333 */
4334 public function confirmEmail() {
4335 // Check if it's already confirmed, so we don't touch the database
4336 // and fire the ConfirmEmailComplete hook on redundant confirmations.
4337 if ( !$this->isEmailConfirmed() ) {
4338 $this->setEmailAuthenticationTimestamp( wfTimestampNow() );
4339 Hooks::run( 'ConfirmEmailComplete', array( $this ) );
4340 }
4341 return true;
4342 }
4343
4344 /**
4345 * Invalidate the user's e-mail confirmation, and unauthenticate the e-mail
4346 * address if it was already confirmed.
4347 *
4348 * @note Call saveSettings() after calling this function to commit the change.
4349 * @return bool Returns true
4350 */
4351 public function invalidateEmail() {
4352 $this->load();
4353 $this->mEmailToken = null;
4354 $this->mEmailTokenExpires = null;
4355 $this->setEmailAuthenticationTimestamp( null );
4356 $this->mEmail = '';
4357 Hooks::run( 'InvalidateEmailComplete', array( $this ) );
4358 return true;
4359 }
4360
4361 /**
4362 * Set the e-mail authentication timestamp.
4363 * @param string $timestamp TS_MW timestamp
4364 */
4365 public function setEmailAuthenticationTimestamp( $timestamp ) {
4366 $this->load();
4367 $this->mEmailAuthenticated = $timestamp;
4368 Hooks::run( 'UserSetEmailAuthenticationTimestamp', array( $this, &$this->mEmailAuthenticated ) );
4369 }
4370
4371 /**
4372 * Is this user allowed to send e-mails within limits of current
4373 * site configuration?
4374 * @return bool
4375 */
4376 public function canSendEmail() {
4377 global $wgEnableEmail, $wgEnableUserEmail;
4378 if ( !$wgEnableEmail || !$wgEnableUserEmail || !$this->isAllowed( 'sendemail' ) ) {
4379 return false;
4380 }
4381 $canSend = $this->isEmailConfirmed();
4382 Hooks::run( 'UserCanSendEmail', array( &$this, &$canSend ) );
4383 return $canSend;
4384 }
4385
4386 /**
4387 * Is this user allowed to receive e-mails within limits of current
4388 * site configuration?
4389 * @return bool
4390 */
4391 public function canReceiveEmail() {
4392 return $this->isEmailConfirmed() && !$this->getOption( 'disablemail' );
4393 }
4394
4395 /**
4396 * Is this user's e-mail address valid-looking and confirmed within
4397 * limits of the current site configuration?
4398 *
4399 * @note If $wgEmailAuthentication is on, this may require the user to have
4400 * confirmed their address by returning a code or using a password
4401 * sent to the address from the wiki.
4402 *
4403 * @return bool
4404 */
4405 public function isEmailConfirmed() {
4406 global $wgEmailAuthentication;
4407 $this->load();
4408 $confirmed = true;
4409 if ( Hooks::run( 'EmailConfirmed', array( &$this, &$confirmed ) ) ) {
4410 if ( $this->isAnon() ) {
4411 return false;
4412 }
4413 if ( !Sanitizer::validateEmail( $this->mEmail ) ) {
4414 return false;
4415 }
4416 if ( $wgEmailAuthentication && !$this->getEmailAuthenticationTimestamp() ) {
4417 return false;
4418 }
4419 return true;
4420 } else {
4421 return $confirmed;
4422 }
4423 }
4424
4425 /**
4426 * Check whether there is an outstanding request for e-mail confirmation.
4427 * @return bool
4428 */
4429 public function isEmailConfirmationPending() {
4430 global $wgEmailAuthentication;
4431 return $wgEmailAuthentication &&
4432 !$this->isEmailConfirmed() &&
4433 $this->mEmailToken &&
4434 $this->mEmailTokenExpires > wfTimestamp();
4435 }
4436
4437 /**
4438 * Get the timestamp of account creation.
4439 *
4440 * @return string|bool|null Timestamp of account creation, false for
4441 * non-existent/anonymous user accounts, or null if existing account
4442 * but information is not in database.
4443 */
4444 public function getRegistration() {
4445 if ( $this->isAnon() ) {
4446 return false;
4447 }
4448 $this->load();
4449 return $this->mRegistration;
4450 }
4451
4452 /**
4453 * Get the timestamp of the first edit
4454 *
4455 * @return string|bool Timestamp of first edit, or false for
4456 * non-existent/anonymous user accounts.
4457 */
4458 public function getFirstEditTimestamp() {
4459 if ( $this->getId() == 0 ) {
4460 return false; // anons
4461 }
4462 $dbr = wfGetDB( DB_SLAVE );
4463 $time = $dbr->selectField( 'revision', 'rev_timestamp',
4464 array( 'rev_user' => $this->getId() ),
4465 __METHOD__,
4466 array( 'ORDER BY' => 'rev_timestamp ASC' )
4467 );
4468 if ( !$time ) {
4469 return false; // no edits
4470 }
4471 return wfTimestamp( TS_MW, $time );
4472 }
4473
4474 /**
4475 * Get the permissions associated with a given list of groups
4476 *
4477 * @param array $groups Array of Strings List of internal group names
4478 * @return array Array of Strings List of permission key names for given groups combined
4479 */
4480 public static function getGroupPermissions( $groups ) {
4481 global $wgGroupPermissions, $wgRevokePermissions;
4482 $rights = array();
4483 // grant every granted permission first
4484 foreach ( $groups as $group ) {
4485 if ( isset( $wgGroupPermissions[$group] ) ) {
4486 $rights = array_merge( $rights,
4487 // array_filter removes empty items
4488 array_keys( array_filter( $wgGroupPermissions[$group] ) ) );
4489 }
4490 }
4491 // now revoke the revoked permissions
4492 foreach ( $groups as $group ) {
4493 if ( isset( $wgRevokePermissions[$group] ) ) {
4494 $rights = array_diff( $rights,
4495 array_keys( array_filter( $wgRevokePermissions[$group] ) ) );
4496 }
4497 }
4498 return array_unique( $rights );
4499 }
4500
4501 /**
4502 * Get all the groups who have a given permission
4503 *
4504 * @param string $role Role to check
4505 * @return array Array of Strings List of internal group names with the given permission
4506 */
4507 public static function getGroupsWithPermission( $role ) {
4508 global $wgGroupPermissions;
4509 $allowedGroups = array();
4510 foreach ( array_keys( $wgGroupPermissions ) as $group ) {
4511 if ( self::groupHasPermission( $group, $role ) ) {
4512 $allowedGroups[] = $group;
4513 }
4514 }
4515 return $allowedGroups;
4516 }
4517
4518 /**
4519 * Check, if the given group has the given permission
4520 *
4521 * If you're wanting to check whether all users have a permission, use
4522 * User::isEveryoneAllowed() instead. That properly checks if it's revoked
4523 * from anyone.
4524 *
4525 * @since 1.21
4526 * @param string $group Group to check
4527 * @param string $role Role to check
4528 * @return bool
4529 */
4530 public static function groupHasPermission( $group, $role ) {
4531 global $wgGroupPermissions, $wgRevokePermissions;
4532 return isset( $wgGroupPermissions[$group][$role] ) && $wgGroupPermissions[$group][$role]
4533 && !( isset( $wgRevokePermissions[$group][$role] ) && $wgRevokePermissions[$group][$role] );
4534 }
4535
4536 /**
4537 * Check if all users have the given permission
4538 *
4539 * @since 1.22
4540 * @param string $right Right to check
4541 * @return bool
4542 */
4543 public static function isEveryoneAllowed( $right ) {
4544 global $wgGroupPermissions, $wgRevokePermissions;
4545 static $cache = array();
4546
4547 // Use the cached results, except in unit tests which rely on
4548 // being able change the permission mid-request
4549 if ( isset( $cache[$right] ) && !defined( 'MW_PHPUNIT_TEST' ) ) {
4550 return $cache[$right];
4551 }
4552
4553 if ( !isset( $wgGroupPermissions['*'][$right] ) || !$wgGroupPermissions['*'][$right] ) {
4554 $cache[$right] = false;
4555 return false;
4556 }
4557
4558 // If it's revoked anywhere, then everyone doesn't have it
4559 foreach ( $wgRevokePermissions as $rights ) {
4560 if ( isset( $rights[$right] ) && $rights[$right] ) {
4561 $cache[$right] = false;
4562 return false;
4563 }
4564 }
4565
4566 // Allow extensions (e.g. OAuth) to say false
4567 if ( !Hooks::run( 'UserIsEveryoneAllowed', array( $right ) ) ) {
4568 $cache[$right] = false;
4569 return false;
4570 }
4571
4572 $cache[$right] = true;
4573 return true;
4574 }
4575
4576 /**
4577 * Get the localized descriptive name for a group, if it exists
4578 *
4579 * @param string $group Internal group name
4580 * @return string Localized descriptive group name
4581 */
4582 public static function getGroupName( $group ) {
4583 $msg = wfMessage( "group-$group" );
4584 return $msg->isBlank() ? $group : $msg->text();
4585 }
4586
4587 /**
4588 * Get the localized descriptive name for a member of a group, if it exists
4589 *
4590 * @param string $group Internal group name
4591 * @param string $username Username for gender (since 1.19)
4592 * @return string Localized name for group member
4593 */
4594 public static function getGroupMember( $group, $username = '#' ) {
4595 $msg = wfMessage( "group-$group-member", $username );
4596 return $msg->isBlank() ? $group : $msg->text();
4597 }
4598
4599 /**
4600 * Return the set of defined explicit groups.
4601 * The implicit groups (by default *, 'user' and 'autoconfirmed')
4602 * are not included, as they are defined automatically, not in the database.
4603 * @return array Array of internal group names
4604 */
4605 public static function getAllGroups() {
4606 global $wgGroupPermissions, $wgRevokePermissions;
4607 return array_diff(
4608 array_merge( array_keys( $wgGroupPermissions ), array_keys( $wgRevokePermissions ) ),
4609 self::getImplicitGroups()
4610 );
4611 }
4612
4613 /**
4614 * Get a list of all available permissions.
4615 * @return string[] Array of permission names
4616 */
4617 public static function getAllRights() {
4618 if ( self::$mAllRights === false ) {
4619 global $wgAvailableRights;
4620 if ( count( $wgAvailableRights ) ) {
4621 self::$mAllRights = array_unique( array_merge( self::$mCoreRights, $wgAvailableRights ) );
4622 } else {
4623 self::$mAllRights = self::$mCoreRights;
4624 }
4625 Hooks::run( 'UserGetAllRights', array( &self::$mAllRights ) );
4626 }
4627 return self::$mAllRights;
4628 }
4629
4630 /**
4631 * Get a list of implicit groups
4632 * @return array Array of Strings Array of internal group names
4633 */
4634 public static function getImplicitGroups() {
4635 global $wgImplicitGroups;
4636
4637 $groups = $wgImplicitGroups;
4638 # Deprecated, use $wgImplicitGroups instead
4639 Hooks::run( 'UserGetImplicitGroups', array( &$groups ), '1.25' );
4640
4641 return $groups;
4642 }
4643
4644 /**
4645 * Get the title of a page describing a particular group
4646 *
4647 * @param string $group Internal group name
4648 * @return Title|bool Title of the page if it exists, false otherwise
4649 */
4650 public static function getGroupPage( $group ) {
4651 $msg = wfMessage( 'grouppage-' . $group )->inContentLanguage();
4652 if ( $msg->exists() ) {
4653 $title = Title::newFromText( $msg->text() );
4654 if ( is_object( $title ) ) {
4655 return $title;
4656 }
4657 }
4658 return false;
4659 }
4660
4661 /**
4662 * Create a link to the group in HTML, if available;
4663 * else return the group name.
4664 *
4665 * @param string $group Internal name of the group
4666 * @param string $text The text of the link
4667 * @return string HTML link to the group
4668 */
4669 public static function makeGroupLinkHTML( $group, $text = '' ) {
4670 if ( $text == '' ) {
4671 $text = self::getGroupName( $group );
4672 }
4673 $title = self::getGroupPage( $group );
4674 if ( $title ) {
4675 return Linker::link( $title, htmlspecialchars( $text ) );
4676 } else {
4677 return htmlspecialchars( $text );
4678 }
4679 }
4680
4681 /**
4682 * Create a link to the group in Wikitext, if available;
4683 * else return the group name.
4684 *
4685 * @param string $group Internal name of the group
4686 * @param string $text The text of the link
4687 * @return string Wikilink to the group
4688 */
4689 public static function makeGroupLinkWiki( $group, $text = '' ) {
4690 if ( $text == '' ) {
4691 $text = self::getGroupName( $group );
4692 }
4693 $title = self::getGroupPage( $group );
4694 if ( $title ) {
4695 $page = $title->getFullText();
4696 return "[[$page|$text]]";
4697 } else {
4698 return $text;
4699 }
4700 }
4701
4702 /**
4703 * Returns an array of the groups that a particular group can add/remove.
4704 *
4705 * @param string $group The group to check for whether it can add/remove
4706 * @return array Array( 'add' => array( addablegroups ),
4707 * 'remove' => array( removablegroups ),
4708 * 'add-self' => array( addablegroups to self),
4709 * 'remove-self' => array( removable groups from self) )
4710 */
4711 public static function changeableByGroup( $group ) {
4712 global $wgAddGroups, $wgRemoveGroups, $wgGroupsAddToSelf, $wgGroupsRemoveFromSelf;
4713
4714 $groups = array(
4715 'add' => array(),
4716 'remove' => array(),
4717 'add-self' => array(),
4718 'remove-self' => array()
4719 );
4720
4721 if ( empty( $wgAddGroups[$group] ) ) {
4722 // Don't add anything to $groups
4723 } elseif ( $wgAddGroups[$group] === true ) {
4724 // You get everything
4725 $groups['add'] = self::getAllGroups();
4726 } elseif ( is_array( $wgAddGroups[$group] ) ) {
4727 $groups['add'] = $wgAddGroups[$group];
4728 }
4729
4730 // Same thing for remove
4731 if ( empty( $wgRemoveGroups[$group] ) ) {
4732 // Do nothing
4733 } elseif ( $wgRemoveGroups[$group] === true ) {
4734 $groups['remove'] = self::getAllGroups();
4735 } elseif ( is_array( $wgRemoveGroups[$group] ) ) {
4736 $groups['remove'] = $wgRemoveGroups[$group];
4737 }
4738
4739 // Re-map numeric keys of AddToSelf/RemoveFromSelf to the 'user' key for backwards compatibility
4740 if ( empty( $wgGroupsAddToSelf['user'] ) || $wgGroupsAddToSelf['user'] !== true ) {
4741 foreach ( $wgGroupsAddToSelf as $key => $value ) {
4742 if ( is_int( $key ) ) {
4743 $wgGroupsAddToSelf['user'][] = $value;
4744 }
4745 }
4746 }
4747
4748 if ( empty( $wgGroupsRemoveFromSelf['user'] ) || $wgGroupsRemoveFromSelf['user'] !== true ) {
4749 foreach ( $wgGroupsRemoveFromSelf as $key => $value ) {
4750 if ( is_int( $key ) ) {
4751 $wgGroupsRemoveFromSelf['user'][] = $value;
4752 }
4753 }
4754 }
4755
4756 // Now figure out what groups the user can add to him/herself
4757 if ( empty( $wgGroupsAddToSelf[$group] ) ) {
4758 // Do nothing
4759 } elseif ( $wgGroupsAddToSelf[$group] === true ) {
4760 // No idea WHY this would be used, but it's there
4761 $groups['add-self'] = User::getAllGroups();
4762 } elseif ( is_array( $wgGroupsAddToSelf[$group] ) ) {
4763 $groups['add-self'] = $wgGroupsAddToSelf[$group];
4764 }
4765
4766 if ( empty( $wgGroupsRemoveFromSelf[$group] ) ) {
4767 // Do nothing
4768 } elseif ( $wgGroupsRemoveFromSelf[$group] === true ) {
4769 $groups['remove-self'] = User::getAllGroups();
4770 } elseif ( is_array( $wgGroupsRemoveFromSelf[$group] ) ) {
4771 $groups['remove-self'] = $wgGroupsRemoveFromSelf[$group];
4772 }
4773
4774 return $groups;
4775 }
4776
4777 /**
4778 * Returns an array of groups that this user can add and remove
4779 * @return array Array( 'add' => array( addablegroups ),
4780 * 'remove' => array( removablegroups ),
4781 * 'add-self' => array( addablegroups to self),
4782 * 'remove-self' => array( removable groups from self) )
4783 */
4784 public function changeableGroups() {
4785 if ( $this->isAllowed( 'userrights' ) ) {
4786 // This group gives the right to modify everything (reverse-
4787 // compatibility with old "userrights lets you change
4788 // everything")
4789 // Using array_merge to make the groups reindexed
4790 $all = array_merge( User::getAllGroups() );
4791 return array(
4792 'add' => $all,
4793 'remove' => $all,
4794 'add-self' => array(),
4795 'remove-self' => array()
4796 );
4797 }
4798
4799 // Okay, it's not so simple, we will have to go through the arrays
4800 $groups = array(
4801 'add' => array(),
4802 'remove' => array(),
4803 'add-self' => array(),
4804 'remove-self' => array()
4805 );
4806 $addergroups = $this->getEffectiveGroups();
4807
4808 foreach ( $addergroups as $addergroup ) {
4809 $groups = array_merge_recursive(
4810 $groups, $this->changeableByGroup( $addergroup )
4811 );
4812 $groups['add'] = array_unique( $groups['add'] );
4813 $groups['remove'] = array_unique( $groups['remove'] );
4814 $groups['add-self'] = array_unique( $groups['add-self'] );
4815 $groups['remove-self'] = array_unique( $groups['remove-self'] );
4816 }
4817 return $groups;
4818 }
4819
4820 /**
4821 * Deferred version of incEditCountImmediate()
4822 */
4823 public function incEditCount() {
4824 $that = $this;
4825 wfGetDB( DB_MASTER )->onTransactionPreCommitOrIdle( function() use ( $that ) {
4826 $that->incEditCountImmediate();
4827 } );
4828 }
4829
4830 /**
4831 * Increment the user's edit-count field.
4832 * Will have no effect for anonymous users.
4833 * @since 1.26
4834 */
4835 public function incEditCountImmediate() {
4836 if ( $this->isAnon() ) {
4837 return;
4838 }
4839
4840 $dbw = wfGetDB( DB_MASTER );
4841 // No rows will be "affected" if user_editcount is NULL
4842 $dbw->update(
4843 'user',
4844 array( 'user_editcount=user_editcount+1' ),
4845 array( 'user_id' => $this->getId() ),
4846 __METHOD__
4847 );
4848 // Lazy initialization check...
4849 if ( $dbw->affectedRows() == 0 ) {
4850 // Now here's a goddamn hack...
4851 $dbr = wfGetDB( DB_SLAVE );
4852 if ( $dbr !== $dbw ) {
4853 // If we actually have a slave server, the count is
4854 // at least one behind because the current transaction
4855 // has not been committed and replicated.
4856 $this->initEditCount( 1 );
4857 } else {
4858 // But if DB_SLAVE is selecting the master, then the
4859 // count we just read includes the revision that was
4860 // just added in the working transaction.
4861 $this->initEditCount();
4862 }
4863 }
4864 // Edit count in user cache too
4865 $this->invalidateCache();
4866 }
4867
4868 /**
4869 * Initialize user_editcount from data out of the revision table
4870 *
4871 * @param int $add Edits to add to the count from the revision table
4872 * @return int Number of edits
4873 */
4874 protected function initEditCount( $add = 0 ) {
4875 // Pull from a slave to be less cruel to servers
4876 // Accuracy isn't the point anyway here
4877 $dbr = wfGetDB( DB_SLAVE );
4878 $count = (int)$dbr->selectField(
4879 'revision',
4880 'COUNT(rev_user)',
4881 array( 'rev_user' => $this->getId() ),
4882 __METHOD__
4883 );
4884 $count = $count + $add;
4885
4886 $dbw = wfGetDB( DB_MASTER );
4887 $dbw->update(
4888 'user',
4889 array( 'user_editcount' => $count ),
4890 array( 'user_id' => $this->getId() ),
4891 __METHOD__
4892 );
4893
4894 return $count;
4895 }
4896
4897 /**
4898 * Get the description of a given right
4899 *
4900 * @param string $right Right to query
4901 * @return string Localized description of the right
4902 */
4903 public static function getRightDescription( $right ) {
4904 $key = "right-$right";
4905 $msg = wfMessage( $key );
4906 return $msg->isBlank() ? $right : $msg->text();
4907 }
4908
4909 /**
4910 * Make a new-style password hash
4911 *
4912 * @param string $password Plain-text password
4913 * @param bool|string $salt Optional salt, may be random or the user ID.
4914 * If unspecified or false, will generate one automatically
4915 * @return string Password hash
4916 * @deprecated since 1.24, use Password class
4917 */
4918 public static function crypt( $password, $salt = false ) {
4919 wfDeprecated( __METHOD__, '1.24' );
4920 $hash = self::getPasswordFactory()->newFromPlaintext( $password );
4921 return $hash->toString();
4922 }
4923
4924 /**
4925 * Compare a password hash with a plain-text password. Requires the user
4926 * ID if there's a chance that the hash is an old-style hash.
4927 *
4928 * @param string $hash Password hash
4929 * @param string $password Plain-text password to compare
4930 * @param string|bool $userId User ID for old-style password salt
4931 *
4932 * @return bool
4933 * @deprecated since 1.24, use Password class
4934 */
4935 public static function comparePasswords( $hash, $password, $userId = false ) {
4936 wfDeprecated( __METHOD__, '1.24' );
4937
4938 // Check for *really* old password hashes that don't even have a type
4939 // The old hash format was just an md5 hex hash, with no type information
4940 if ( preg_match( '/^[0-9a-f]{32}$/', $hash ) ) {
4941 global $wgPasswordSalt;
4942 if ( $wgPasswordSalt ) {
4943 $password = ":B:{$userId}:{$hash}";
4944 } else {
4945 $password = ":A:{$hash}";
4946 }
4947 }
4948
4949 $hash = self::getPasswordFactory()->newFromCiphertext( $hash );
4950 return $hash->equals( $password );
4951 }
4952
4953 /**
4954 * Add a newuser log entry for this user.
4955 * Before 1.19 the return value was always true.
4956 *
4957 * @param string|bool $action Account creation type.
4958 * - String, one of the following values:
4959 * - 'create' for an anonymous user creating an account for himself.
4960 * This will force the action's performer to be the created user itself,
4961 * no matter the value of $wgUser
4962 * - 'create2' for a logged in user creating an account for someone else
4963 * - 'byemail' when the created user will receive its password by e-mail
4964 * - 'autocreate' when the user is automatically created (such as by CentralAuth).
4965 * - Boolean means whether the account was created by e-mail (deprecated):
4966 * - true will be converted to 'byemail'
4967 * - false will be converted to 'create' if this object is the same as
4968 * $wgUser and to 'create2' otherwise
4969 *
4970 * @param string $reason User supplied reason
4971 *
4972 * @return int|bool True if not $wgNewUserLog; otherwise ID of log item or 0 on failure
4973 */
4974 public function addNewUserLogEntry( $action = false, $reason = '' ) {
4975 global $wgUser, $wgNewUserLog;
4976 if ( empty( $wgNewUserLog ) ) {
4977 return true; // disabled
4978 }
4979
4980 if ( $action === true ) {
4981 $action = 'byemail';
4982 } elseif ( $action === false ) {
4983 if ( $this->equals( $wgUser ) ) {
4984 $action = 'create';
4985 } else {
4986 $action = 'create2';
4987 }
4988 }
4989
4990 if ( $action === 'create' || $action === 'autocreate' ) {
4991 $performer = $this;
4992 } else {
4993 $performer = $wgUser;
4994 }
4995
4996 $logEntry = new ManualLogEntry( 'newusers', $action );
4997 $logEntry->setPerformer( $performer );
4998 $logEntry->setTarget( $this->getUserPage() );
4999 $logEntry->setComment( $reason );
5000 $logEntry->setParameters( array(
5001 '4::userid' => $this->getId(),
5002 ) );
5003 $logid = $logEntry->insert();
5004
5005 if ( $action !== 'autocreate' ) {
5006 $logEntry->publish( $logid );
5007 }
5008
5009 return (int)$logid;
5010 }
5011
5012 /**
5013 * Add an autocreate newuser log entry for this user
5014 * Used by things like CentralAuth and perhaps other authplugins.
5015 * Consider calling addNewUserLogEntry() directly instead.
5016 *
5017 * @return bool
5018 */
5019 public function addNewUserLogEntryAutoCreate() {
5020 $this->addNewUserLogEntry( 'autocreate' );
5021
5022 return true;
5023 }
5024
5025 /**
5026 * Load the user options either from cache, the database or an array
5027 *
5028 * @param array $data Rows for the current user out of the user_properties table
5029 */
5030 protected function loadOptions( $data = null ) {
5031 global $wgContLang;
5032
5033 $this->load();
5034
5035 if ( $this->mOptionsLoaded ) {
5036 return;
5037 }
5038
5039 $this->mOptions = self::getDefaultOptions();
5040
5041 if ( !$this->getId() ) {
5042 // For unlogged-in users, load language/variant options from request.
5043 // There's no need to do it for logged-in users: they can set preferences,
5044 // and handling of page content is done by $pageLang->getPreferredVariant() and such,
5045 // so don't override user's choice (especially when the user chooses site default).
5046 $variant = $wgContLang->getDefaultVariant();
5047 $this->mOptions['variant'] = $variant;
5048 $this->mOptions['language'] = $variant;
5049 $this->mOptionsLoaded = true;
5050 return;
5051 }
5052
5053 // Maybe load from the object
5054 if ( !is_null( $this->mOptionOverrides ) ) {
5055 wfDebug( "User: loading options for user " . $this->getId() . " from override cache.\n" );
5056 foreach ( $this->mOptionOverrides as $key => $value ) {
5057 $this->mOptions[$key] = $value;
5058 }
5059 } else {
5060 if ( !is_array( $data ) ) {
5061 wfDebug( "User: loading options for user " . $this->getId() . " from database.\n" );
5062 // Load from database
5063 $dbr = ( $this->queryFlagsUsed & self::READ_LATEST )
5064 ? wfGetDB( DB_MASTER )
5065 : wfGetDB( DB_SLAVE );
5066
5067 $res = $dbr->select(
5068 'user_properties',
5069 array( 'up_property', 'up_value' ),
5070 array( 'up_user' => $this->getId() ),
5071 __METHOD__
5072 );
5073
5074 $this->mOptionOverrides = array();
5075 $data = array();
5076 foreach ( $res as $row ) {
5077 $data[$row->up_property] = $row->up_value;
5078 }
5079 }
5080 foreach ( $data as $property => $value ) {
5081 $this->mOptionOverrides[$property] = $value;
5082 $this->mOptions[$property] = $value;
5083 }
5084 }
5085
5086 $this->mOptionsLoaded = true;
5087
5088 Hooks::run( 'UserLoadOptions', array( $this, &$this->mOptions ) );
5089 }
5090
5091 /**
5092 * Saves the non-default options for this user, as previously set e.g. via
5093 * setOption(), in the database's "user_properties" (preferences) table.
5094 * Usually used via saveSettings().
5095 */
5096 protected function saveOptions() {
5097 $this->loadOptions();
5098
5099 // Not using getOptions(), to keep hidden preferences in database
5100 $saveOptions = $this->mOptions;
5101
5102 // Allow hooks to abort, for instance to save to a global profile.
5103 // Reset options to default state before saving.
5104 if ( !Hooks::run( 'UserSaveOptions', array( $this, &$saveOptions ) ) ) {
5105 return;
5106 }
5107
5108 $userId = $this->getId();
5109
5110 $insert_rows = array(); // all the new preference rows
5111 foreach ( $saveOptions as $key => $value ) {
5112 // Don't bother storing default values
5113 $defaultOption = self::getDefaultOption( $key );
5114 if ( ( $defaultOption === null && $value !== false && $value !== null )
5115 || $value != $defaultOption
5116 ) {
5117 $insert_rows[] = array(
5118 'up_user' => $userId,
5119 'up_property' => $key,
5120 'up_value' => $value,
5121 );
5122 }
5123 }
5124
5125 $dbw = wfGetDB( DB_MASTER );
5126
5127 $res = $dbw->select( 'user_properties',
5128 array( 'up_property', 'up_value' ), array( 'up_user' => $userId ), __METHOD__ );
5129
5130 // Find prior rows that need to be removed or updated. These rows will
5131 // all be deleted (the later so that INSERT IGNORE applies the new values).
5132 $keysDelete = array();
5133 foreach ( $res as $row ) {
5134 if ( !isset( $saveOptions[$row->up_property] )
5135 || strcmp( $saveOptions[$row->up_property], $row->up_value ) != 0
5136 ) {
5137 $keysDelete[] = $row->up_property;
5138 }
5139 }
5140
5141 if ( count( $keysDelete ) ) {
5142 // Do the DELETE by PRIMARY KEY for prior rows.
5143 // In the past a very large portion of calls to this function are for setting
5144 // 'rememberpassword' for new accounts (a preference that has since been removed).
5145 // Doing a blanket per-user DELETE for new accounts with no rows in the table
5146 // caused gap locks on [max user ID,+infinity) which caused high contention since
5147 // updates would pile up on each other as they are for higher (newer) user IDs.
5148 // It might not be necessary these days, but it shouldn't hurt either.
5149 $dbw->delete( 'user_properties',
5150 array( 'up_user' => $userId, 'up_property' => $keysDelete ), __METHOD__ );
5151 }
5152 // Insert the new preference rows
5153 $dbw->insert( 'user_properties', $insert_rows, __METHOD__, array( 'IGNORE' ) );
5154 }
5155
5156 /**
5157 * Lazily instantiate and return a factory object for making passwords
5158 *
5159 * @return PasswordFactory
5160 */
5161 public static function getPasswordFactory() {
5162 if ( self::$mPasswordFactory === null ) {
5163 self::$mPasswordFactory = new PasswordFactory();
5164 self::$mPasswordFactory->init( RequestContext::getMain()->getConfig() );
5165 }
5166
5167 return self::$mPasswordFactory;
5168 }
5169
5170 /**
5171 * Provide an array of HTML5 attributes to put on an input element
5172 * intended for the user to enter a new password. This may include
5173 * required, title, and/or pattern, depending on $wgMinimalPasswordLength.
5174 *
5175 * Do *not* use this when asking the user to enter his current password!
5176 * Regardless of configuration, users may have invalid passwords for whatever
5177 * reason (e.g., they were set before requirements were tightened up).
5178 * Only use it when asking for a new password, like on account creation or
5179 * ResetPass.
5180 *
5181 * Obviously, you still need to do server-side checking.
5182 *
5183 * NOTE: A combination of bugs in various browsers means that this function
5184 * actually just returns array() unconditionally at the moment. May as
5185 * well keep it around for when the browser bugs get fixed, though.
5186 *
5187 * @todo FIXME: This does not belong here; put it in Html or Linker or somewhere
5188 *
5189 * @return array Array of HTML attributes suitable for feeding to
5190 * Html::element(), directly or indirectly. (Don't feed to Xml::*()!
5191 * That will get confused by the boolean attribute syntax used.)
5192 */
5193 public static function passwordChangeInputAttribs() {
5194 global $wgMinimalPasswordLength;
5195
5196 if ( $wgMinimalPasswordLength == 0 ) {
5197 return array();
5198 }
5199
5200 # Note that the pattern requirement will always be satisfied if the
5201 # input is empty, so we need required in all cases.
5202 #
5203 # @todo FIXME: Bug 23769: This needs to not claim the password is required
5204 # if e-mail confirmation is being used. Since HTML5 input validation
5205 # is b0rked anyway in some browsers, just return nothing. When it's
5206 # re-enabled, fix this code to not output required for e-mail
5207 # registration.
5208 #$ret = array( 'required' );
5209 $ret = array();
5210
5211 # We can't actually do this right now, because Opera 9.6 will print out
5212 # the entered password visibly in its error message! When other
5213 # browsers add support for this attribute, or Opera fixes its support,
5214 # we can add support with a version check to avoid doing this on Opera
5215 # versions where it will be a problem. Reported to Opera as
5216 # DSK-262266, but they don't have a public bug tracker for us to follow.
5217 /*
5218 if ( $wgMinimalPasswordLength > 1 ) {
5219 $ret['pattern'] = '.{' . intval( $wgMinimalPasswordLength ) . ',}';
5220 $ret['title'] = wfMessage( 'passwordtooshort' )
5221 ->numParams( $wgMinimalPasswordLength )->text();
5222 }
5223 */
5224
5225 return $ret;
5226 }
5227
5228 /**
5229 * Return the list of user fields that should be selected to create
5230 * a new user object.
5231 * @return array
5232 */
5233 public static function selectFields() {
5234 return array(
5235 'user_id',
5236 'user_name',
5237 'user_real_name',
5238 'user_email',
5239 'user_touched',
5240 'user_token',
5241 'user_email_authenticated',
5242 'user_email_token',
5243 'user_email_token_expires',
5244 'user_registration',
5245 'user_editcount',
5246 );
5247 }
5248
5249 /**
5250 * Factory function for fatal permission-denied errors
5251 *
5252 * @since 1.22
5253 * @param string $permission User right required
5254 * @return Status
5255 */
5256 static function newFatalPermissionDeniedStatus( $permission ) {
5257 global $wgLang;
5258
5259 $groups = array_map(
5260 array( 'User', 'makeGroupLinkWiki' ),
5261 User::getGroupsWithPermission( $permission )
5262 );
5263
5264 if ( $groups ) {
5265 return Status::newFatal( 'badaccess-groups', $wgLang->commaList( $groups ), count( $groups ) );
5266 } else {
5267 return Status::newFatal( 'badaccess-group0' );
5268 }
5269 }
5270
5271 /**
5272 * Checks if two user objects point to the same user.
5273 *
5274 * @since 1.25
5275 * @param User $user
5276 * @return bool
5277 */
5278 public function equals( User $user ) {
5279 return $this->getName() === $user->getName();
5280 }
5281 }