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+<?php
+/**
+ * Implements the User class for the %MediaWiki software.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+use MediaWiki\MediaWikiServices;
+use MediaWiki\Session\SessionManager;
+use MediaWiki\Session\Token;
+use MediaWiki\Auth\AuthManager;
+use MediaWiki\Auth\AuthenticationResponse;
+use MediaWiki\Auth\AuthenticationRequest;
+use MediaWiki\User\UserIdentity;
+use Wikimedia\IPSet;
+use Wikimedia\ScopedCallback;
+use Wikimedia\Rdbms\Database;
+use Wikimedia\Rdbms\DBExpectedError;
+use Wikimedia\Rdbms\IDatabase;
+
+/**
+ * String Some punctuation to prevent editing from broken text-mangling proxies.
+ * @deprecated since 1.27, use \MediaWiki\Session\Token::SUFFIX
+ * @ingroup Constants
+ */
+define( 'EDIT_TOKEN_SUFFIX', Token::SUFFIX );
+
+/**
+ * The User object encapsulates all of the user-specific settings (user_id,
+ * name, rights, email address, options, last login time). Client
+ * classes use the getXXX() functions to access these fields. These functions
+ * do all the work of determining whether the user is logged in,
+ * whether the requested option can be satisfied from cookies or
+ * whether a database query is needed. Most of the settings needed
+ * for rendering normal pages are set in the cookie to minimize use
+ * of the database.
+ */
+class User implements IDBAccessObject, UserIdentity {
+ /**
+ * @const int Number of characters in user_token field.
+ */
+ const TOKEN_LENGTH = 32;
+
+ /**
+ * @const string An invalid value for user_token
+ */
+ const INVALID_TOKEN = '*** INVALID ***';
+
+ /**
+ * Global constant made accessible as class constants so that autoloader
+ * magic can be used.
+ * @deprecated since 1.27, use \MediaWiki\Session\Token::SUFFIX
+ */
+ const EDIT_TOKEN_SUFFIX = EDIT_TOKEN_SUFFIX;
+
+ /**
+ * @const int Serialized record version.
+ */
+ const VERSION = 12;
+
+ /**
+ * Exclude user options that are set to their default value.
+ * @since 1.25
+ */
+ const GETOPTIONS_EXCLUDE_DEFAULTS = 1;
+
+ /**
+ * @since 1.27
+ */
+ const CHECK_USER_RIGHTS = true;
+
+ /**
+ * @since 1.27
+ */
+ const IGNORE_USER_RIGHTS = false;
+
+ /**
+ * Array of Strings List of member variables which are saved to the
+ * shared cache (memcached). Any operation which changes the
+ * corresponding database fields must call a cache-clearing function.
+ * @showinitializer
+ */
+ protected static $mCacheVars = [
+ // user table
+ 'mId',
+ 'mName',
+ 'mRealName',
+ 'mEmail',
+ 'mTouched',
+ 'mToken',
+ 'mEmailAuthenticated',
+ 'mEmailToken',
+ 'mEmailTokenExpires',
+ 'mRegistration',
+ 'mEditCount',
+ // user_groups table
+ 'mGroupMemberships',
+ // user_properties table
+ 'mOptionOverrides',
+ // actor table
+ 'mActorId',
+ ];
+
+ /**
+ * Array of Strings Core rights.
+ * Each of these should have a corresponding message of the form
+ * "right-$right".
+ * @showinitializer
+ */
+ protected static $mCoreRights = [
+ 'apihighlimits',
+ 'applychangetags',
+ 'autoconfirmed',
+ 'autocreateaccount',
+ 'autopatrol',
+ 'bigdelete',
+ 'block',
+ 'blockemail',
+ 'bot',
+ 'browsearchive',
+ 'changetags',
+ 'createaccount',
+ 'createpage',
+ 'createtalk',
+ 'delete',
+ 'deletechangetags',
+ 'deletedhistory',
+ 'deletedtext',
+ 'deletelogentry',
+ 'deleterevision',
+ 'edit',
+ 'editcontentmodel',
+ 'editinterface',
+ 'editprotected',
+ 'editmyoptions',
+ 'editmyprivateinfo',
+ 'editmyusercss',
+ 'editmyuserjson',
+ 'editmyuserjs',
+ 'editmywatchlist',
+ 'editsemiprotected',
+ 'editusercss',
+ 'edituserjson',
+ 'edituserjs',
+ 'hideuser',
+ 'import',
+ 'importupload',
+ 'ipblock-exempt',
+ 'managechangetags',
+ 'markbotedits',
+ 'mergehistory',
+ 'minoredit',
+ 'move',
+ 'movefile',
+ 'move-categorypages',
+ 'move-rootuserpages',
+ 'move-subpages',
+ 'nominornewtalk',
+ 'noratelimit',
+ 'override-export-depth',
+ 'pagelang',
+ 'patrol',
+ 'patrolmarks',
+ 'protect',
+ 'purge',
+ 'read',
+ 'reupload',
+ 'reupload-own',
+ 'reupload-shared',
+ 'rollback',
+ 'sendemail',
+ 'siteadmin',
+ 'suppressionlog',
+ 'suppressredirect',
+ 'suppressrevision',
+ 'unblockself',
+ 'undelete',
+ 'unwatchedpages',
+ 'upload',
+ 'upload_by_url',
+ 'userrights',
+ 'userrights-interwiki',
+ 'viewmyprivateinfo',
+ 'viewmywatchlist',
+ 'viewsuppressed',
+ 'writeapi',
+ ];
+
+ /**
+ * String Cached results of getAllRights()
+ */
+ protected static $mAllRights = false;
+
+ /** Cache variables */
+ // @{
+ /** @var int */
+ public $mId;
+ /** @var string */
+ public $mName;
+ /** @var int|null */
+ protected $mActorId;
+ /** @var string */
+ public $mRealName;
+
+ /** @var string */
+ public $mEmail;
+ /** @var string TS_MW timestamp from the DB */
+ public $mTouched;
+ /** @var string TS_MW timestamp from cache */
+ protected $mQuickTouched;
+ /** @var string */
+ protected $mToken;
+ /** @var string */
+ public $mEmailAuthenticated;
+ /** @var string */
+ protected $mEmailToken;
+ /** @var string */
+ protected $mEmailTokenExpires;
+ /** @var string */
+ protected $mRegistration;
+ /** @var int */
+ protected $mEditCount;
+ /** @var UserGroupMembership[] Associative array of (group name => UserGroupMembership object) */
+ protected $mGroupMemberships;
+ /** @var array */
+ protected $mOptionOverrides;
+ // @}
+
+ /**
+ * Bool Whether the cache variables have been loaded.
+ */
+ // @{
+ public $mOptionsLoaded;
+
+ /**
+ * Array with already loaded items or true if all items have been loaded.
+ */
+ protected $mLoadedItems = [];
+ // @}
+
+ /**
+ * String Initialization data source if mLoadedItems!==true. May be one of:
+ * - 'defaults' anonymous user initialised from class defaults
+ * - 'name' initialise from mName
+ * - 'id' initialise from mId
+ * - 'actor' initialise from mActorId
+ * - 'session' log in from session if possible
+ *
+ * Use the User::newFrom*() family of functions to set this.
+ */
+ public $mFrom;
+
+ /**
+ * Lazy-initialized variables, invalidated with clearInstanceCache
+ */
+ protected $mNewtalk;
+ /** @var string */
+ protected $mDatePreference;
+ /** @var string */
+ public $mBlockedby;
+ /** @var string */
+ protected $mHash;
+ /** @var array */
+ public $mRights;
+ /** @var string */
+ protected $mBlockreason;
+ /** @var array */
+ protected $mEffectiveGroups;
+ /** @var array */
+ protected $mImplicitGroups;
+ /** @var array */
+ protected $mFormerGroups;
+ /** @var Block */
+ protected $mGlobalBlock;
+ /** @var bool */
+ protected $mLocked;
+ /** @var bool */
+ public $mHideName;
+ /** @var array */
+ public $mOptions;
+
+ /** @var WebRequest */
+ private $mRequest;
+
+ /** @var Block */
+ public $mBlock;
+
+ /** @var bool */
+ protected $mAllowUsertalk;
+
+ /** @var Block */
+ private $mBlockedFromCreateAccount = false;
+
+ /** @var int User::READ_* constant bitfield used to load data */
+ protected $queryFlagsUsed = self::READ_NORMAL;
+
+ public static $idCacheByName = [];
+
+ /**
+ * Lightweight constructor for an anonymous user.
+ * Use the User::newFrom* factory functions for other kinds of users.
+ *
+ * @see newFromName()
+ * @see newFromId()
+ * @see newFromActorId()
+ * @see newFromConfirmationCode()
+ * @see newFromSession()
+ * @see newFromRow()
+ */
+ public function __construct() {
+ $this->clearInstanceCache( 'defaults' );
+ }
+
+ /**
+ * @return string
+ */
+ public function __toString() {
+ return (string)$this->getName();
+ }
+
+ /**
+ * Test if it's safe to load this User object.
+ *
+ * You should typically check this before using $wgUser or
+ * RequestContext::getUser in a method that might be called before the
+ * system has been fully initialized. If the object is unsafe, you should
+ * use an anonymous user:
+ * \code
+ * $user = $wgUser->isSafeToLoad() ? $wgUser : new User;
+ * \endcode
+ *
+ * @since 1.27
+ * @return bool
+ */
+ public function isSafeToLoad() {
+ global $wgFullyInitialised;
+
+ // The user is safe to load if:
+ // * MW_NO_SESSION is undefined AND $wgFullyInitialised is true (safe to use session data)
+ // * mLoadedItems === true (already loaded)
+ // * mFrom !== 'session' (sessions not involved at all)
+
+ return ( !defined( 'MW_NO_SESSION' ) && $wgFullyInitialised ) ||
+ $this->mLoadedItems === true || $this->mFrom !== 'session';
+ }
+
+ /**
+ * Load the user table data for this object from the source given by mFrom.
+ *
+ * @param int $flags User::READ_* constant bitfield
+ */
+ public function load( $flags = self::READ_NORMAL ) {
+ global $wgFullyInitialised;
+
+ if ( $this->mLoadedItems === true ) {
+ return;
+ }
+
+ // Set it now to avoid infinite recursion in accessors
+ $oldLoadedItems = $this->mLoadedItems;
+ $this->mLoadedItems = true;
+ $this->queryFlagsUsed = $flags;
+
+ // If this is called too early, things are likely to break.
+ if ( !$wgFullyInitialised && $this->mFrom === 'session' ) {
+ \MediaWiki\Logger\LoggerFactory::getInstance( 'session' )
+ ->warning( 'User::loadFromSession called before the end of Setup.php', [
+ 'exception' => new Exception( 'User::loadFromSession called before the end of Setup.php' ),
+ ] );
+ $this->loadDefaults();
+ $this->mLoadedItems = $oldLoadedItems;
+ return;
+ }
+
+ switch ( $this->mFrom ) {
+ case 'defaults':
+ $this->loadDefaults();
+ break;
+ case 'name':
+ // Make sure this thread sees its own changes
+ $lb = MediaWikiServices::getInstance()->getDBLoadBalancer();
+ if ( $lb->hasOrMadeRecentMasterChanges() ) {
+ $flags |= self::READ_LATEST;
+ $this->queryFlagsUsed = $flags;
+ }
+
+ $this->mId = self::idFromName( $this->mName, $flags );
+ if ( !$this->mId ) {
+ // Nonexistent user placeholder object
+ $this->loadDefaults( $this->mName );
+ } else {
+ $this->loadFromId( $flags );
+ }
+ break;
+ case 'id':
+ // Make sure this thread sees its own changes, if the ID isn't 0
+ if ( $this->mId != 0 ) {
+ $lb = MediaWikiServices::getInstance()->getDBLoadBalancer();
+ if ( $lb->hasOrMadeRecentMasterChanges() ) {
+ $flags |= self::READ_LATEST;
+ $this->queryFlagsUsed = $flags;
+ }
+ }
+
+ $this->loadFromId( $flags );
+ break;
+ case 'actor':
+ // Make sure this thread sees its own changes
+ if ( wfGetLB()->hasOrMadeRecentMasterChanges() ) {
+ $flags |= self::READ_LATEST;
+ $this->queryFlagsUsed = $flags;
+ }
+
+ list( $index, $options ) = DBAccessObjectUtils::getDBOptions( $flags );
+ $row = wfGetDB( $index )->selectRow(
+ 'actor',
+ [ 'actor_user', 'actor_name' ],
+ [ 'actor_id' => $this->mActorId ],
+ __METHOD__,
+ $options
+ );
+
+ if ( !$row ) {
+ // Ugh.
+ $this->loadDefaults();
+ } elseif ( $row->actor_user ) {
+ $this->mId = $row->actor_user;
+ $this->loadFromId( $flags );
+ } else {
+ $this->loadDefaults( $row->actor_name );
+ }
+ break;
+ case 'session':
+ if ( !$this->loadFromSession() ) {
+ // Loading from session failed. Load defaults.
+ $this->loadDefaults();
+ }
+ Hooks::run( 'UserLoadAfterLoadFromSession', [ $this ] );
+ break;
+ default:
+ throw new UnexpectedValueException(
+ "Unrecognised value for User->mFrom: \"{$this->mFrom}\"" );
+ }
+ }
+
+ /**
+ * Load user table data, given mId has already been set.
+ * @param int $flags User::READ_* constant bitfield
+ * @return bool False if the ID does not exist, true otherwise
+ */
+ public function loadFromId( $flags = self::READ_NORMAL ) {
+ if ( $this->mId == 0 ) {
+ // Anonymous users are not in the database (don't need cache)
+ $this->loadDefaults();
+ return false;
+ }
+
+ // Try cache (unless this needs data from the master DB).
+ // NOTE: if this thread called saveSettings(), the cache was cleared.
+ $latest = DBAccessObjectUtils::hasFlags( $flags, self::READ_LATEST );
+ if ( $latest ) {
+ if ( !$this->loadFromDatabase( $flags ) ) {
+ // Can't load from ID
+ return false;
+ }
+ } else {
+ $this->loadFromCache();
+ }
+
+ $this->mLoadedItems = true;
+ $this->queryFlagsUsed = $flags;
+
+ return true;
+ }
+
+ /**
+ * @since 1.27
+ * @param string $wikiId
+ * @param int $userId
+ */
+ public static function purge( $wikiId, $userId ) {
+ $cache = ObjectCache::getMainWANInstance();
+ $key = $cache->makeGlobalKey( 'user', 'id', $wikiId, $userId );
+ $cache->delete( $key );
+ }
+
+ /**
+ * @since 1.27
+ * @param WANObjectCache $cache
+ * @return string
+ */
+ protected function getCacheKey( WANObjectCache $cache ) {
+ return $cache->makeGlobalKey( 'user', 'id', wfWikiID(), $this->mId );
+ }
+
+ /**
+ * @param WANObjectCache $cache
+ * @return string[]
+ * @since 1.28
+ */
+ public function getMutableCacheKeys( WANObjectCache $cache ) {
+ $id = $this->getId();
+
+ return $id ? [ $this->getCacheKey( $cache ) ] : [];
+ }
+
+ /**
+ * Load user data from shared cache, given mId has already been set.
+ *
+ * @return bool True
+ * @since 1.25
+ */
+ protected function loadFromCache() {
+ $cache = ObjectCache::getMainWANInstance();
+ $data = $cache->getWithSetCallback(
+ $this->getCacheKey( $cache ),
+ $cache::TTL_HOUR,
+ function ( $oldValue, &$ttl, array &$setOpts ) use ( $cache ) {
+ $setOpts += Database::getCacheSetOptions( wfGetDB( DB_REPLICA ) );
+ wfDebug( "User: cache miss for user {$this->mId}\n" );
+
+ $this->loadFromDatabase( self::READ_NORMAL );
+ $this->loadGroups();
+ $this->loadOptions();
+
+ $data = [];
+ foreach ( self::$mCacheVars as $name ) {
+ $data[$name] = $this->$name;
+ }
+
+ $ttl = $cache->adaptiveTTL( wfTimestamp( TS_UNIX, $this->mTouched ), $ttl );
+
+ // if a user group membership is about to expire, the cache needs to
+ // expire at that time (T163691)
+ foreach ( $this->mGroupMemberships as $ugm ) {
+ if ( $ugm->getExpiry() ) {
+ $secondsUntilExpiry = wfTimestamp( TS_UNIX, $ugm->getExpiry() ) - time();
+ if ( $secondsUntilExpiry > 0 && $secondsUntilExpiry < $ttl ) {
+ $ttl = $secondsUntilExpiry;
+ }
+ }
+ }
+
+ return $data;
+ },
+ [ 'pcTTL' => $cache::TTL_PROC_LONG, 'version' => self::VERSION ]
+ );
+
+ // Restore from cache
+ foreach ( self::$mCacheVars as $name ) {
+ $this->$name = $data[$name];
+ }
+
+ return true;
+ }
+
+ /** @name newFrom*() static factory methods */
+ // @{
+
+ /**
+ * Static factory method for creation from username.
+ *
+ * This is slightly less efficient than newFromId(), so use newFromId() if
+ * you have both an ID and a name handy.
+ *
+ * @param string $name Username, validated by Title::newFromText()
+ * @param string|bool $validate Validate username. Takes the same parameters as
+ * User::getCanonicalName(), except that true is accepted as an alias
+ * for 'valid', for BC.
+ *
+ * @return User|bool User object, or false if the username is invalid
+ * (e.g. if it contains illegal characters or is an IP address). If the
+ * username is not present in the database, the result will be a user object
+ * with a name, zero user ID and default settings.
+ */
+ public static function newFromName( $name, $validate = 'valid' ) {
+ if ( $validate === true ) {
+ $validate = 'valid';
+ }
+ $name = self::getCanonicalName( $name, $validate );
+ if ( $name === false ) {
+ return false;
+ } else {
+ // Create unloaded user object
+ $u = new User;
+ $u->mName = $name;
+ $u->mFrom = 'name';
+ $u->setItemLoaded( 'name' );
+ return $u;
+ }
+ }
+
+ /**
+ * Static factory method for creation from a given user ID.
+ *
+ * @param int $id Valid user ID
+ * @return User The corresponding User object
+ */
+ public static function newFromId( $id ) {
+ $u = new User;
+ $u->mId = $id;
+ $u->mFrom = 'id';
+ $u->setItemLoaded( 'id' );
+ return $u;
+ }
+
+ /**
+ * Static factory method for creation from a given actor ID.
+ *
+ * @since 1.31
+ * @param int $id Valid actor ID
+ * @return User The corresponding User object
+ */
+ public static function newFromActorId( $id ) {
+ global $wgActorTableSchemaMigrationStage;
+
+ if ( $wgActorTableSchemaMigrationStage <= MIGRATION_OLD ) {
+ throw new BadMethodCallException(
+ 'Cannot use ' . __METHOD__ . ' when $wgActorTableSchemaMigrationStage is MIGRATION_OLD'
+ );
+ }
+
+ $u = new User;
+ $u->mActorId = $id;
+ $u->mFrom = 'actor';
+ $u->setItemLoaded( 'actor' );
+ return $u;
+ }
+
+ /**
+ * Static factory method for creation from an ID, name, and/or actor ID
+ *
+ * This does not check that the ID, name, and actor ID all correspond to
+ * the same user.
+ *
+ * @since 1.31
+ * @param int|null $userId User ID, if known
+ * @param string|null $userName User name, if known
+ * @param int|null $actorId Actor ID, if known
+ * @return User
+ */
+ public static function newFromAnyId( $userId, $userName, $actorId ) {
+ global $wgActorTableSchemaMigrationStage;
+
+ $user = new User;
+ $user->mFrom = 'defaults';
+
+ if ( $wgActorTableSchemaMigrationStage > MIGRATION_OLD && $actorId !== null ) {
+ $user->mActorId = (int)$actorId;
+ if ( $user->mActorId !== 0 ) {
+ $user->mFrom = 'actor';
+ }
+ $user->setItemLoaded( 'actor' );
+ }
+
+ if ( $userName !== null && $userName !== '' ) {
+ $user->mName = $userName;
+ $user->mFrom = 'name';
+ $user->setItemLoaded( 'name' );
+ }
+
+ if ( $userId !== null ) {
+ $user->mId = (int)$userId;
+ if ( $user->mId !== 0 ) {
+ $user->mFrom = 'id';
+ }
+ $user->setItemLoaded( 'id' );
+ }
+
+ if ( $user->mFrom === 'defaults' ) {
+ throw new InvalidArgumentException(
+ 'Cannot create a user with no name, no ID, and no actor ID'
+ );
+ }
+
+ return $user;
+ }
+
+ /**
+ * Factory method to fetch whichever user has a given email confirmation code.
+ * This code is generated when an account is created or its e-mail address
+ * has changed.
+ *
+ * If the code is invalid or has expired, returns NULL.
+ *
+ * @param string $code Confirmation code
+ * @param int $flags User::READ_* bitfield
+ * @return User|null
+ */
+ public static function newFromConfirmationCode( $code, $flags = 0 ) {
+ $db = ( $flags & self::READ_LATEST ) == self::READ_LATEST
+ ? wfGetDB( DB_MASTER )
+ : wfGetDB( DB_REPLICA );
+
+ $id = $db->selectField(
+ 'user',
+ 'user_id',
+ [
+ 'user_email_token' => md5( $code ),
+ 'user_email_token_expires > ' . $db->addQuotes( $db->timestamp() ),
+ ]
+ );
+
+ return $id ? self::newFromId( $id ) : null;
+ }
+
+ /**
+ * Create a new user object using data from session. If the login
+ * credentials are invalid, the result is an anonymous user.
+ *
+ * @param WebRequest|null $request Object to use; $wgRequest will be used if omitted.
+ * @return User
+ */
+ public static function newFromSession( WebRequest $request = null ) {
+ $user = new User;
+ $user->mFrom = 'session';
+ $user->mRequest = $request;
+ return $user;
+ }
+
+ /**
+ * Create a new user object from a user row.
+ * The row should have the following fields from the user table in it:
+ * - either user_name or user_id to load further data if needed (or both)
+ * - user_real_name
+ * - all other fields (email, etc.)
+ * It is useless to provide the remaining fields if either user_id,
+ * user_name and user_real_name are not provided because the whole row
+ * will be loaded once more from the database when accessing them.
+ *
+ * @param stdClass $row A row from the user table
+ * @param array $data Further data to load into the object (see User::loadFromRow for valid keys)
+ * @return User
+ */
+ public static function newFromRow( $row, $data = null ) {
+ $user = new User;
+ $user->loadFromRow( $row, $data );
+ return $user;
+ }
+
+ /**
+ * Static factory method for creation of a "system" user from username.
+ *
+ * A "system" user is an account that's used to attribute logged actions
+ * taken by MediaWiki itself, as opposed to a bot or human user. Examples
+ * might include the 'Maintenance script' or 'Conversion script' accounts
+ * used by various scripts in the maintenance/ directory or accounts such
+ * as 'MediaWiki message delivery' used by the MassMessage extension.
+ *
+ * This can optionally create the user if it doesn't exist, and "steal" the
+ * account if it does exist.
+ *
+ * "Stealing" an existing user is intended to make it impossible for normal
+ * authentication processes to use the account, effectively disabling the
+ * account for normal use:
+ * - Email is invalidated, to prevent account recovery by emailing a
+ * temporary password and to disassociate the account from the existing
+ * human.
+ * - The token is set to a magic invalid value, to kill existing sessions
+ * and to prevent $this->setToken() calls from resetting the token to a
+ * valid value.
+ * - SessionManager is instructed to prevent new sessions for the user, to
+ * do things like deauthorizing OAuth consumers.
+ * - AuthManager is instructed to revoke access, to invalidate or remove
+ * passwords and other credentials.
+ *
+ * @param string $name Username
+ * @param array $options Options are:
+ * - validate: As for User::getCanonicalName(), default 'valid'
+ * - create: Whether to create the user if it doesn't already exist, default true
+ * - steal: Whether to "disable" the account for normal use if it already
+ * exists, default false
+ * @return User|null
+ * @since 1.27
+ */
+ public static function newSystemUser( $name, $options = [] ) {
+ $options += [
+ 'validate' => 'valid',
+ 'create' => true,
+ 'steal' => false,
+ ];
+
+ $name = self::getCanonicalName( $name, $options['validate'] );
+ if ( $name === false ) {
+ return null;
+ }
+
+ $dbr = wfGetDB( DB_REPLICA );
+ $userQuery = self::getQueryInfo();
+ $row = $dbr->selectRow(
+ $userQuery['tables'],
+ $userQuery['fields'],
+ [ 'user_name' => $name ],
+ __METHOD__,
+ [],
+ $userQuery['joins']
+ );
+ if ( !$row ) {
+ // Try the master database...
+ $dbw = wfGetDB( DB_MASTER );
+ $row = $dbw->selectRow(
+ $userQuery['tables'],
+ $userQuery['fields'],
+ [ 'user_name' => $name ],
+ __METHOD__,
+ [],
+ $userQuery['joins']
+ );
+ }
+
+ if ( !$row ) {
+ // No user. Create it?
+ return $options['create']
+ ? self::createNew( $name, [ 'token' => self::INVALID_TOKEN ] )
+ : null;
+ }
+
+ $user = self::newFromRow( $row );
+
+ // A user is considered to exist as a non-system user if it can
+ // authenticate, or has an email set, or has a non-invalid token.
+ if ( $user->mEmail || $user->mToken !== self::INVALID_TOKEN ||
+ AuthManager::singleton()->userCanAuthenticate( $name )
+ ) {
+ // User exists. Steal it?
+ if ( !$options['steal'] ) {
+ return null;
+ }
+
+ AuthManager::singleton()->revokeAccessForUser( $name );
+
+ $user->invalidateEmail();
+ $user->mToken = self::INVALID_TOKEN;
+ $user->saveSettings();
+ SessionManager::singleton()->preventSessionsForUser( $user->getName() );
+ }
+
+ return $user;
+ }
+
+ // @}
+
+ /**
+ * Get the username corresponding to a given user ID
+ * @param int $id User ID
+ * @return string|bool The corresponding username
+ */
+ public static function whoIs( $id ) {
+ return UserCache::singleton()->getProp( $id, 'name' );
+ }
+
+ /**
+ * Get the real name of a user given their user ID
+ *
+ * @param int $id User ID
+ * @return string|bool The corresponding user's real name
+ */
+ public static function whoIsReal( $id ) {
+ return UserCache::singleton()->getProp( $id, 'real_name' );
+ }
+
+ /**
+ * Get database id given a user name
+ * @param string $name Username
+ * @param int $flags User::READ_* constant bitfield
+ * @return int|null The corresponding user's ID, or null if user is nonexistent
+ */
+ public static function idFromName( $name, $flags = self::READ_NORMAL ) {
+ $nt = Title::makeTitleSafe( NS_USER, $name );
+ if ( is_null( $nt ) ) {
+ // Illegal name
+ return null;
+ }
+
+ if ( !( $flags & self::READ_LATEST ) && array_key_exists( $name, self::$idCacheByName ) ) {
+ return self::$idCacheByName[$name];
+ }
+
+ list( $index, $options ) = DBAccessObjectUtils::getDBOptions( $flags );
+ $db = wfGetDB( $index );
+
+ $s = $db->selectRow(
+ 'user',
+ [ 'user_id' ],
+ [ 'user_name' => $nt->getText() ],
+ __METHOD__,
+ $options
+ );
+
+ if ( $s === false ) {
+ $result = null;
+ } else {
+ $result = $s->user_id;
+ }
+
+ self::$idCacheByName[$name] = $result;
+
+ if ( count( self::$idCacheByName ) > 1000 ) {
+ self::$idCacheByName = [];
+ }
+
+ return $result;
+ }
+
+ /**
+ * Reset the cache used in idFromName(). For use in tests.
+ */
+ public static function resetIdByNameCache() {
+ self::$idCacheByName = [];
+ }
+
+ /**
+ * Does the string match an anonymous IP address?
+ *
+ * This function exists for username validation, in order to reject
+ * usernames which are similar in form to IP addresses. Strings such
+ * as 300.300.300.300 will return true because it looks like an IP
+ * address, despite not being strictly valid.
+ *
+ * We match "\d{1,3}\.\d{1,3}\.\d{1,3}\.xxx" as an anonymous IP
+ * address because the usemod software would "cloak" anonymous IP
+ * addresses like this, if we allowed accounts like this to be created
+ * new users could get the old edits of these anonymous users.
+ *
+ * @param string $name Name to match
+ * @return bool
+ */
+ public static function isIP( $name ) {
+ return preg_match( '/^\d{1,3}\.\d{1,3}\.\d{1,3}\.(?:xxx|\d{1,3})$/', $name )
+ || IP::isIPv6( $name );
+ }
+
+ /**
+ * Is the user an IP range?
+ *
+ * @since 1.30
+ * @return bool
+ */
+ public function isIPRange() {
+ return IP::isValidRange( $this->mName );
+ }
+
+ /**
+ * Is the input a valid username?
+ *
+ * Checks if the input is a valid username, we don't want an empty string,
+ * an IP address, anything that contains slashes (would mess up subpages),
+ * is longer than the maximum allowed username size or doesn't begin with
+ * a capital letter.
+ *
+ * @param string $name Name to match
+ * @return bool
+ */
+ public static function isValidUserName( $name ) {
+ global $wgContLang, $wgMaxNameChars;
+
+ if ( $name == ''
+ || self::isIP( $name )
+ || strpos( $name, '/' ) !== false
+ || strlen( $name ) > $wgMaxNameChars
+ || $name != $wgContLang->ucfirst( $name )
+ ) {
+ return false;
+ }
+
+ // Ensure that the name can't be misresolved as a different title,
+ // such as with extra namespace keys at the start.
+ $parsed = Title::newFromText( $name );
+ if ( is_null( $parsed )
+ || $parsed->getNamespace()
+ || strcmp( $name, $parsed->getPrefixedText() ) ) {
+ return false;
+ }
+
+ // Check an additional blacklist of troublemaker characters.
+ // Should these be merged into the title char list?
+ $unicodeBlacklist = '/[' .
+ '\x{0080}-\x{009f}' . # iso-8859-1 control chars
+ '\x{00a0}' . # non-breaking space
+ '\x{2000}-\x{200f}' . # various whitespace
+ '\x{2028}-\x{202f}' . # breaks and control chars
+ '\x{3000}' . # ideographic space
+ '\x{e000}-\x{f8ff}' . # private use
+ ']/u';
+ if ( preg_match( $unicodeBlacklist, $name ) ) {
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Usernames which fail to pass this function will be blocked
+ * from user login and new account registrations, but may be used
+ * internally by batch processes.
+ *
+ * If an account already exists in this form, login will be blocked
+ * by a failure to pass this function.
+ *
+ * @param string $name Name to match
+ * @return bool
+ */
+ public static function isUsableName( $name ) {
+ global $wgReservedUsernames;
+ // Must be a valid username, obviously ;)
+ if ( !self::isValidUserName( $name ) ) {
+ return false;
+ }
+
+ static $reservedUsernames = false;
+ if ( !$reservedUsernames ) {
+ $reservedUsernames = $wgReservedUsernames;
+ Hooks::run( 'UserGetReservedNames', [ &$reservedUsernames ] );
+ }
+
+ // Certain names may be reserved for batch processes.
+ foreach ( $reservedUsernames as $reserved ) {
+ if ( substr( $reserved, 0, 4 ) == 'msg:' ) {
+ $reserved = wfMessage( substr( $reserved, 4 ) )->inContentLanguage()->text();
+ }
+ if ( $reserved == $name ) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ /**
+ * Return the users who are members of the given group(s). In case of multiple groups,
+ * users who are members of at least one of them are returned.
+ *
+ * @param string|array $groups A single group name or an array of group names
+ * @param int $limit Max number of users to return. The actual limit will never exceed 5000
+ * records; larger values are ignored.
+ * @param int $after ID the user to start after
+ * @return UserArrayFromResult
+ */
+ public static function findUsersByGroup( $groups, $limit = 5000, $after = null ) {
+ if ( $groups === [] ) {
+ return UserArrayFromResult::newFromIDs( [] );
+ }
+
+ $groups = array_unique( (array)$groups );
+ $limit = min( 5000, $limit );
+
+ $conds = [ 'ug_group' => $groups ];
+ if ( $after !== null ) {
+ $conds[] = 'ug_user > ' . (int)$after;
+ }
+
+ $dbr = wfGetDB( DB_REPLICA );
+ $ids = $dbr->selectFieldValues(
+ 'user_groups',
+ 'ug_user',
+ $conds,
+ __METHOD__,
+ [
+ 'DISTINCT' => true,
+ 'ORDER BY' => 'ug_user',
+ 'LIMIT' => $limit,
+ ]
+ ) ?: [];
+ return UserArray::newFromIDs( $ids );
+ }
+
+ /**
+ * Usernames which fail to pass this function will be blocked
+ * from new account registrations, but may be used internally
+ * either by batch processes or by user accounts which have
+ * already been created.
+ *
+ * Additional blacklisting may be added here rather than in
+ * isValidUserName() to avoid disrupting existing accounts.
+ *
+ * @param string $name String to match
+ * @return bool
+ */
+ public static function isCreatableName( $name ) {
+ global $wgInvalidUsernameCharacters;
+
+ // Ensure that the username isn't longer than 235 bytes, so that
+ // (at least for the builtin skins) user javascript and css files
+ // will work. (T25080)
+ if ( strlen( $name ) > 235 ) {
+ wfDebugLog( 'username', __METHOD__ .
+ ": '$name' invalid due to length" );
+ return false;
+ }
+
+ // Preg yells if you try to give it an empty string
+ if ( $wgInvalidUsernameCharacters !== '' ) {
+ if ( preg_match( '/[' . preg_quote( $wgInvalidUsernameCharacters, '/' ) . ']/', $name ) ) {
+ wfDebugLog( 'username', __METHOD__ .
+ ": '$name' invalid due to wgInvalidUsernameCharacters" );
+ return false;
+ }
+ }
+
+ return self::isUsableName( $name );
+ }
+
+ /**
+ * Is the input a valid password for this user?
+ *
+ * @param string $password Desired password
+ * @return bool
+ */
+ public function isValidPassword( $password ) {
+ // simple boolean wrapper for getPasswordValidity
+ return $this->getPasswordValidity( $password ) === true;
+ }
+
+ /**
+ * Given unvalidated password input, return error message on failure.
+ *
+ * @param string $password Desired password
+ * @return bool|string|array True on success, string or array of error message on failure
+ */
+ public function getPasswordValidity( $password ) {
+ $result = $this->checkPasswordValidity( $password );
+ if ( $result->isGood() ) {
+ return true;
+ } else {
+ $messages = [];
+ foreach ( $result->getErrorsByType( 'error' ) as $error ) {
+ $messages[] = $error['message'];
+ }
+ foreach ( $result->getErrorsByType( 'warning' ) as $warning ) {
+ $messages[] = $warning['message'];
+ }
+ if ( count( $messages ) === 1 ) {
+ return $messages[0];
+ }
+ return $messages;
+ }
+ }
+
+ /**
+ * Check if this is a valid password for this user
+ *
+ * Create a Status object based on the password's validity.
+ * The Status should be set to fatal if the user should not
+ * be allowed to log in, and should have any errors that
+ * would block changing the password.
+ *
+ * If the return value of this is not OK, the password
+ * should not be checked. If the return value is not Good,
+ * the password can be checked, but the user should not be
+ * able to set their password to this.
+ *
+ * @param string $password Desired password
+ * @return Status
+ * @since 1.23
+ */
+ public function checkPasswordValidity( $password ) {
+ global $wgPasswordPolicy;
+
+ $upp = new UserPasswordPolicy(
+ $wgPasswordPolicy['policies'],
+ $wgPasswordPolicy['checks']
+ );
+
+ $status = Status::newGood();
+ $result = false; // init $result to false for the internal checks
+
+ if ( !Hooks::run( 'isValidPassword', [ $password, &$result, $this ] ) ) {
+ $status->error( $result );
+ return $status;
+ }
+
+ if ( $result === false ) {
+ $status->merge( $upp->checkUserPassword( $this, $password ) );
+ return $status;
+ } elseif ( $result === true ) {
+ return $status;
+ } else {
+ $status->error( $result );
+ return $status; // the isValidPassword hook set a string $result and returned true
+ }
+ }
+
+ /**
+ * Given unvalidated user input, return a canonical username, or false if
+ * the username is invalid.
+ * @param string $name User input
+ * @param string|bool $validate Type of validation to use:
+ * - false No validation
+ * - 'valid' Valid for batch processes
+ * - 'usable' Valid for batch processes and login
+ * - 'creatable' Valid for batch processes, login and account creation
+ *
+ * @throws InvalidArgumentException
+ * @return bool|string
+ */
+ public static function getCanonicalName( $name, $validate = 'valid' ) {
+ // Force usernames to capital
+ global $wgContLang;
+ $name = $wgContLang->ucfirst( $name );
+
+ # Reject names containing '#'; these will be cleaned up
+ # with title normalisation, but then it's too late to
+ # check elsewhere
+ if ( strpos( $name, '#' ) !== false ) {
+ return false;
+ }
+
+ // Clean up name according to title rules,
+ // but only when validation is requested (T14654)
+ $t = ( $validate !== false ) ?
+ Title::newFromText( $name, NS_USER ) : Title::makeTitle( NS_USER, $name );
+ // Check for invalid titles
+ if ( is_null( $t ) || $t->getNamespace() !== NS_USER || $t->isExternal() ) {
+ return false;
+ }
+
+ // Reject various classes of invalid names
+ $name = AuthManager::callLegacyAuthPlugin(
+ 'getCanonicalName', [ $t->getText() ], $t->getText()
+ );
+
+ switch ( $validate ) {
+ case false:
+ break;
+ case 'valid':
+ if ( !self::isValidUserName( $name ) ) {
+ $name = false;
+ }
+ break;
+ case 'usable':
+ if ( !self::isUsableName( $name ) ) {
+ $name = false;
+ }
+ break;
+ case 'creatable':
+ if ( !self::isCreatableName( $name ) ) {
+ $name = false;
+ }
+ break;
+ default:
+ throw new InvalidArgumentException(
+ 'Invalid parameter value for $validate in ' . __METHOD__ );
+ }
+ return $name;
+ }
+
+ /**
+ * Return a random password.
+ *
+ * @deprecated since 1.27, use PasswordFactory::generateRandomPasswordString()
+ * @return string New random password
+ */
+ public static function randomPassword() {
+ global $wgMinimalPasswordLength;
+ return PasswordFactory::generateRandomPasswordString( $wgMinimalPasswordLength );
+ }
+
+ /**
+ * Set cached properties to default.
+ *
+ * @note This no longer clears uncached lazy-initialised properties;
+ * the constructor does that instead.
+ *
+ * @param string|bool $name
+ */
+ public function loadDefaults( $name = false ) {
+ $this->mId = 0;
+ $this->mName = $name;
+ $this->mActorId = null;
+ $this->mRealName = '';
+ $this->mEmail = '';
+ $this->mOptionOverrides = null;
+ $this->mOptionsLoaded = false;
+
+ $loggedOut = $this->mRequest && !defined( 'MW_NO_SESSION' )
+ ? $this->mRequest->getSession()->getLoggedOutTimestamp() : 0;
+ if ( $loggedOut !== 0 ) {
+ $this->mTouched = wfTimestamp( TS_MW, $loggedOut );
+ } else {
+ $this->mTouched = '1'; # Allow any pages to be cached
+ }
+
+ $this->mToken = null; // Don't run cryptographic functions till we need a token
+ $this->mEmailAuthenticated = null;
+ $this->mEmailToken = '';
+ $this->mEmailTokenExpires = null;
+ $this->mRegistration = wfTimestamp( TS_MW );
+ $this->mGroupMemberships = [];
+
+ Hooks::run( 'UserLoadDefaults', [ $this, $name ] );
+ }
+
+ /**
+ * Return whether an item has been loaded.
+ *
+ * @param string $item Item to check. Current possibilities:
+ * - id
+ * - name
+ * - realname
+ * @param string $all 'all' to check if the whole object has been loaded
+ * or any other string to check if only the item is available (e.g.
+ * for optimisation)
+ * @return bool
+ */
+ public function isItemLoaded( $item, $all = 'all' ) {
+ return ( $this->mLoadedItems === true && $all === 'all' ) ||
+ ( isset( $this->mLoadedItems[$item] ) && $this->mLoadedItems[$item] === true );
+ }
+
+ /**
+ * Set that an item has been loaded
+ *
+ * @param string $item
+ */
+ protected function setItemLoaded( $item ) {
+ if ( is_array( $this->mLoadedItems ) ) {
+ $this->mLoadedItems[$item] = true;
+ }
+ }
+
+ /**
+ * Load user data from the session.
+ *
+ * @return bool True if the user is logged in, false otherwise.
+ */
+ private function loadFromSession() {
+ // Deprecated hook
+ $result = null;
+ Hooks::run( 'UserLoadFromSession', [ $this, &$result ], '1.27' );
+ if ( $result !== null ) {
+ return $result;
+ }
+
+ // MediaWiki\Session\Session already did the necessary authentication of the user
+ // returned here, so just use it if applicable.
+ $session = $this->getRequest()->getSession();
+ $user = $session->getUser();
+ if ( $user->isLoggedIn() ) {
+ $this->loadFromUserObject( $user );
+
+ // If this user is autoblocked, set a cookie to track the Block. This has to be done on
+ // every session load, because an autoblocked editor might not edit again from the same
+ // IP address after being blocked.
+ $config = RequestContext::getMain()->getConfig();
+ if ( $config->get( 'CookieSetOnAutoblock' ) === true ) {
+ $block = $this->getBlock();
+ $shouldSetCookie = $this->getRequest()->getCookie( 'BlockID' ) === null
+ && $block
+ && $block->getType() === Block::TYPE_USER
+ && $block->isAutoblocking();
+ if ( $shouldSetCookie ) {
+ wfDebug( __METHOD__ . ': User is autoblocked, setting cookie to track' );
+ $block->setCookie( $this->getRequest()->response() );
+ }
+ }
+
+ // Other code expects these to be set in the session, so set them.
+ $session->set( 'wsUserID', $this->getId() );
+ $session->set( 'wsUserName', $this->getName() );
+ $session->set( 'wsToken', $this->getToken() );
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Load user and user_group data from the database.
+ * $this->mId must be set, this is how the user is identified.
+ *
+ * @param int $flags User::READ_* constant bitfield
+ * @return bool True if the user exists, false if the user is anonymous
+ */
+ public function loadFromDatabase( $flags = self::READ_LATEST ) {
+ // Paranoia
+ $this->mId = intval( $this->mId );
+
+ if ( !$this->mId ) {
+ // Anonymous users are not in the database
+ $this->loadDefaults();
+ return false;
+ }
+
+ list( $index, $options ) = DBAccessObjectUtils::getDBOptions( $flags );
+ $db = wfGetDB( $index );
+
+ $userQuery = self::getQueryInfo();
+ $s = $db->selectRow(
+ $userQuery['tables'],
+ $userQuery['fields'],
+ [ 'user_id' => $this->mId ],
+ __METHOD__,
+ $options,
+ $userQuery['joins']
+ );
+
+ $this->queryFlagsUsed = $flags;
+ Hooks::run( 'UserLoadFromDatabase', [ $this, &$s ] );
+
+ if ( $s !== false ) {
+ // Initialise user table data
+ $this->loadFromRow( $s );
+ $this->mGroupMemberships = null; // deferred
+ $this->getEditCount(); // revalidation for nulls
+ return true;
+ } else {
+ // Invalid user_id
+ $this->mId = 0;
+ $this->loadDefaults();
+ return false;
+ }
+ }
+
+ /**
+ * Initialize this object from a row from the user table.
+ *
+ * @param stdClass $row Row from the user table to load.
+ * @param array $data Further user data to load into the object
+ *
+ * user_groups Array of arrays or stdClass result rows out of the user_groups
+ * table. Previously you were supposed to pass an array of strings
+ * here, but we also need expiry info nowadays, so an array of
+ * strings is ignored.
+ * user_properties Array with properties out of the user_properties table
+ */
+ protected function loadFromRow( $row, $data = null ) {
+ global $wgActorTableSchemaMigrationStage;
+
+ if ( !is_object( $row ) ) {
+ throw new InvalidArgumentException( '$row must be an object' );
+ }
+
+ $all = true;
+
+ $this->mGroupMemberships = null; // deferred
+
+ if ( $wgActorTableSchemaMigrationStage > MIGRATION_OLD ) {
+ if ( isset( $row->actor_id ) ) {
+ $this->mActorId = (int)$row->actor_id;
+ if ( $this->mActorId !== 0 ) {
+ $this->mFrom = 'actor';
+ }
+ $this->setItemLoaded( 'actor' );
+ } else {
+ $all = false;
+ }
+ }
+
+ if ( isset( $row->user_name ) && $row->user_name !== '' ) {
+ $this->mName = $row->user_name;
+ $this->mFrom = 'name';
+ $this->setItemLoaded( 'name' );
+ } else {
+ $all = false;
+ }
+
+ if ( isset( $row->user_real_name ) ) {
+ $this->mRealName = $row->user_real_name;
+ $this->setItemLoaded( 'realname' );
+ } else {
+ $all = false;
+ }
+
+ if ( isset( $row->user_id ) ) {
+ $this->mId = intval( $row->user_id );
+ if ( $this->mId !== 0 ) {
+ $this->mFrom = 'id';
+ }
+ $this->setItemLoaded( 'id' );
+ } else {
+ $all = false;
+ }
+
+ if ( isset( $row->user_id ) && isset( $row->user_name ) && $row->user_name !== '' ) {
+ self::$idCacheByName[$row->user_name] = $row->user_id;
+ }
+
+ if ( isset( $row->user_editcount ) ) {
+ $this->mEditCount = $row->user_editcount;
+ } else {
+ $all = false;
+ }
+
+ if ( isset( $row->user_touched ) ) {
+ $this->mTouched = wfTimestamp( TS_MW, $row->user_touched );
+ } else {
+ $all = false;
+ }
+
+ if ( isset( $row->user_token ) ) {
+ // The definition for the column is binary(32), so trim the NULs
+ // that appends. The previous definition was char(32), so trim
+ // spaces too.
+ $this->mToken = rtrim( $row->user_token, " \0" );
+ if ( $this->mToken === '' ) {
+ $this->mToken = null;
+ }
+ } else {
+ $all = false;
+ }
+
+ if ( isset( $row->user_email ) ) {
+ $this->mEmail = $row->user_email;
+ $this->mEmailAuthenticated = wfTimestampOrNull( TS_MW, $row->user_email_authenticated );
+ $this->mEmailToken = $row->user_email_token;
+ $this->mEmailTokenExpires = wfTimestampOrNull( TS_MW, $row->user_email_token_expires );
+ $this->mRegistration = wfTimestampOrNull( TS_MW, $row->user_registration );
+ } else {
+ $all = false;
+ }
+
+ if ( $all ) {
+ $this->mLoadedItems = true;
+ }
+
+ if ( is_array( $data ) ) {
+ if ( isset( $data['user_groups'] ) && is_array( $data['user_groups'] ) ) {
+ if ( !count( $data['user_groups'] ) ) {
+ $this->mGroupMemberships = [];
+ } else {
+ $firstGroup = reset( $data['user_groups'] );
+ if ( is_array( $firstGroup ) || is_object( $firstGroup ) ) {
+ $this->mGroupMemberships = [];
+ foreach ( $data['user_groups'] as $row ) {
+ $ugm = UserGroupMembership::newFromRow( (object)$row );
+ $this->mGroupMemberships[$ugm->getGroup()] = $ugm;
+ }
+ }
+ }
+ }
+ if ( isset( $data['user_properties'] ) && is_array( $data['user_properties'] ) ) {
+ $this->loadOptions( $data['user_properties'] );
+ }
+ }
+ }
+
+ /**
+ * Load the data for this user object from another user object.
+ *
+ * @param User $user
+ */
+ protected function loadFromUserObject( $user ) {
+ $user->load();
+ foreach ( self::$mCacheVars as $var ) {
+ $this->$var = $user->$var;
+ }
+ }
+
+ /**
+ * Load the groups from the database if they aren't already loaded.
+ */
+ private function loadGroups() {
+ if ( is_null( $this->mGroupMemberships ) ) {
+ $db = ( $this->queryFlagsUsed & self::READ_LATEST )
+ ? wfGetDB( DB_MASTER )
+ : wfGetDB( DB_REPLICA );
+ $this->mGroupMemberships = UserGroupMembership::getMembershipsForUser(
+ $this->mId, $db );
+ }
+ }
+
+ /**
+ * Add the user to the group if he/she meets given criteria.
+ *
+ * Contrary to autopromotion by \ref $wgAutopromote, the group will be
+ * possible to remove manually via Special:UserRights. In such case it
+ * will not be re-added automatically. The user will also not lose the
+ * group if they no longer meet the criteria.
+ *
+ * @param string $event Key in $wgAutopromoteOnce (each one has groups/criteria)
+ *
+ * @return array Array of groups the user has been promoted to.
+ *
+ * @see $wgAutopromoteOnce
+ */
+ public function addAutopromoteOnceGroups( $event ) {
+ global $wgAutopromoteOnceLogInRC;
+
+ if ( wfReadOnly() || !$this->getId() ) {
+ return [];
+ }
+
+ $toPromote = Autopromote::getAutopromoteOnceGroups( $this, $event );
+ if ( !count( $toPromote ) ) {
+ return [];
+ }
+
+ if ( !$this->checkAndSetTouched() ) {
+ return []; // raced out (bug T48834)
+ }
+
+ $oldGroups = $this->getGroups(); // previous groups
+ $oldUGMs = $this->getGroupMemberships();
+ foreach ( $toPromote as $group ) {
+ $this->addGroup( $group );
+ }
+ $newGroups = array_merge( $oldGroups, $toPromote ); // all groups
+ $newUGMs = $this->getGroupMemberships();
+
+ // update groups in external authentication database
+ Hooks::run( 'UserGroupsChanged', [ $this, $toPromote, [], false, false, $oldUGMs, $newUGMs ] );
+ AuthManager::callLegacyAuthPlugin( 'updateExternalDBGroups', [ $this, $toPromote ] );
+
+ $logEntry = new ManualLogEntry( 'rights', 'autopromote' );
+ $logEntry->setPerformer( $this );
+ $logEntry->setTarget( $this->getUserPage() );
+ $logEntry->setParameters( [
+ '4::oldgroups' => $oldGroups,
+ '5::newgroups' => $newGroups,
+ ] );
+ $logid = $logEntry->insert();
+ if ( $wgAutopromoteOnceLogInRC ) {
+ $logEntry->publish( $logid );
+ }
+
+ return $toPromote;
+ }
+
+ /**
+ * Builds update conditions. Additional conditions may be added to $conditions to
+ * protected against race conditions using a compare-and-set (CAS) mechanism
+ * based on comparing $this->mTouched with the user_touched field.
+ *
+ * @param Database $db
+ * @param array $conditions WHERE conditions for use with Database::update
+ * @return array WHERE conditions for use with Database::update
+ */
+ protected function makeUpdateConditions( Database $db, array $conditions ) {
+ if ( $this->mTouched ) {
+ // CAS check: only update if the row wasn't changed sicne it was loaded.
+ $conditions['user_touched'] = $db->timestamp( $this->mTouched );
+ }
+
+ return $conditions;
+ }
+
+ /**
+ * Bump user_touched if it didn't change since this object was loaded
+ *
+ * On success, the mTouched field is updated.
+ * The user serialization cache is always cleared.
+ *
+ * @return bool Whether user_touched was actually updated
+ * @since 1.26
+ */
+ protected function checkAndSetTouched() {
+ $this->load();
+
+ if ( !$this->mId ) {
+ return false; // anon
+ }
+
+ // Get a new user_touched that is higher than the old one
+ $newTouched = $this->newTouchedTimestamp();
+
+ $dbw = wfGetDB( DB_MASTER );
+ $dbw->update( 'user',
+ [ 'user_touched' => $dbw->timestamp( $newTouched ) ],
+ $this->makeUpdateConditions( $dbw, [
+ 'user_id' => $this->mId,
+ ] ),
+ __METHOD__
+ );
+ $success = ( $dbw->affectedRows() > 0 );
+
+ if ( $success ) {
+ $this->mTouched = $newTouched;
+ $this->clearSharedCache();
+ } else {
+ // Clears on failure too since that is desired if the cache is stale
+ $this->clearSharedCache( 'refresh' );
+ }
+
+ return $success;
+ }
+
+ /**
+ * Clear various cached data stored in this object. The cache of the user table
+ * data (i.e. self::$mCacheVars) is not cleared unless $reloadFrom is given.
+ *
+ * @param bool|string $reloadFrom Reload user and user_groups table data from a
+ * given source. May be "name", "id", "actor", "defaults", "session", or false for no reload.
+ */
+ public function clearInstanceCache( $reloadFrom = false ) {
+ $this->mNewtalk = -1;
+ $this->mDatePreference = null;
+ $this->mBlockedby = -1; # Unset
+ $this->mHash = false;
+ $this->mRights = null;
+ $this->mEffectiveGroups = null;
+ $this->mImplicitGroups = null;
+ $this->mGroupMemberships = null;
+ $this->mOptions = null;
+ $this->mOptionsLoaded = false;
+ $this->mEditCount = null;
+
+ if ( $reloadFrom ) {
+ $this->mLoadedItems = [];
+ $this->mFrom = $reloadFrom;
+ }
+ }
+
+ /**
+ * Combine the language default options with any site-specific options
+ * and add the default language variants.
+ *
+ * @return array Array of String options
+ */
+ public static function getDefaultOptions() {
+ global $wgNamespacesToBeSearchedDefault, $wgDefaultUserOptions, $wgContLang, $wgDefaultSkin;
+
+ static $defOpt = null;
+ static $defOptLang = null;
+
+ if ( $defOpt !== null && $defOptLang === $wgContLang->getCode() ) {
+ // $wgContLang does not change (and should not change) mid-request,
+ // but the unit tests change it anyway, and expect this method to
+ // return values relevant to the current $wgContLang.
+ return $defOpt;
+ }
+
+ $defOpt = $wgDefaultUserOptions;
+ // Default language setting
+ $defOptLang = $wgContLang->getCode();
+ $defOpt['language'] = $defOptLang;
+ foreach ( LanguageConverter::$languagesWithVariants as $langCode ) {
+ $defOpt[$langCode == $wgContLang->getCode() ? 'variant' : "variant-$langCode"] = $langCode;
+ }
+
+ // NOTE: don't use SearchEngineConfig::getSearchableNamespaces here,
+ // since extensions may change the set of searchable namespaces depending
+ // on user groups/permissions.
+ foreach ( $wgNamespacesToBeSearchedDefault as $nsnum => $val ) {
+ $defOpt['searchNs' . $nsnum] = (bool)$val;
+ }
+ $defOpt['skin'] = Skin::normalizeKey( $wgDefaultSkin );
+
+ Hooks::run( 'UserGetDefaultOptions', [ &$defOpt ] );
+
+ return $defOpt;
+ }
+
+ /**
+ * Get a given default option value.
+ *
+ * @param string $opt Name of option to retrieve
+ * @return string Default option value
+ */
+ public static function getDefaultOption( $opt ) {
+ $defOpts = self::getDefaultOptions();
+ if ( isset( $defOpts[$opt] ) ) {
+ return $defOpts[$opt];
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Get blocking information
+ * @param bool $bFromSlave Whether to check the replica DB first.
+ * To improve performance, non-critical checks are done against replica DBs.
+ * Check when actually saving should be done against master.
+ */
+ private function getBlockedStatus( $bFromSlave = true ) {
+ global $wgProxyWhitelist, $wgApplyIpBlocksToXff, $wgSoftBlockRanges;
+
+ if ( -1 != $this->mBlockedby ) {
+ return;
+ }
+
+ wfDebug( __METHOD__ . ": checking...\n" );
+
+ // Initialize data...
+ // Otherwise something ends up stomping on $this->mBlockedby when
+ // things get lazy-loaded later, causing false positive block hits
+ // due to -1 !== 0. Probably session-related... Nothing should be
+ // overwriting mBlockedby, surely?
+ $this->load();
+
+ # We only need to worry about passing the IP address to the Block generator if the
+ # user is not immune to autoblocks/hardblocks, and they are the current user so we
+ # know which IP address they're actually coming from
+ $ip = null;
+ $sessionUser = RequestContext::getMain()->getUser();
+ // the session user is set up towards the end of Setup.php. Until then,
+ // assume it's a logged-out user.
+ $globalUserName = $sessionUser->isSafeToLoad()
+ ? $sessionUser->getName()
+ : IP::sanitizeIP( $sessionUser->getRequest()->getIP() );
+ if ( $this->getName() === $globalUserName && !$this->isAllowed( 'ipblock-exempt' ) ) {
+ $ip = $this->getRequest()->getIP();
+ }
+
+ // User/IP blocking
+ $block = Block::newFromTarget( $this, $ip, !$bFromSlave );
+
+ // Cookie blocking
+ if ( !$block instanceof Block ) {
+ $block = $this->getBlockFromCookieValue( $this->getRequest()->getCookie( 'BlockID' ) );
+ }
+
+ // Proxy blocking
+ if ( !$block instanceof Block && $ip !== null && !in_array( $ip, $wgProxyWhitelist ) ) {
+ // Local list
+ if ( self::isLocallyBlockedProxy( $ip ) ) {
+ $block = new Block( [
+ 'byText' => wfMessage( 'proxyblocker' )->text(),
+ 'reason' => wfMessage( 'proxyblockreason' )->text(),
+ 'address' => $ip,
+ 'systemBlock' => 'proxy',
+ ] );
+ } elseif ( $this->isAnon() && $this->isDnsBlacklisted( $ip ) ) {
+ $block = new Block( [
+ 'byText' => wfMessage( 'sorbs' )->text(),
+ 'reason' => wfMessage( 'sorbsreason' )->text(),
+ 'address' => $ip,
+ 'systemBlock' => 'dnsbl',
+ ] );
+ }
+ }
+
+ // (T25343) Apply IP blocks to the contents of XFF headers, if enabled
+ if ( !$block instanceof Block
+ && $wgApplyIpBlocksToXff
+ && $ip !== null
+ && !in_array( $ip, $wgProxyWhitelist )
+ ) {
+ $xff = $this->getRequest()->getHeader( 'X-Forwarded-For' );
+ $xff = array_map( 'trim', explode( ',', $xff ) );
+ $xff = array_diff( $xff, [ $ip ] );
+ $xffblocks = Block::getBlocksForIPList( $xff, $this->isAnon(), !$bFromSlave );
+ $block = Block::chooseBlock( $xffblocks, $xff );
+ if ( $block instanceof Block ) {
+ # Mangle the reason to alert the user that the block
+ # originated from matching the X-Forwarded-For header.
+ $block->mReason = wfMessage( 'xffblockreason', $block->mReason )->text();
+ }
+ }
+
+ if ( !$block instanceof Block
+ && $ip !== null
+ && $this->isAnon()
+ && IP::isInRanges( $ip, $wgSoftBlockRanges )
+ ) {
+ $block = new Block( [
+ 'address' => $ip,
+ 'byText' => 'MediaWiki default',
+ 'reason' => wfMessage( 'softblockrangesreason', $ip )->text(),
+ 'anonOnly' => true,
+ 'systemBlock' => 'wgSoftBlockRanges',
+ ] );
+ }
+
+ if ( $block instanceof Block ) {
+ wfDebug( __METHOD__ . ": Found block.\n" );
+ $this->mBlock = $block;
+ $this->mBlockedby = $block->getByName();
+ $this->mBlockreason = $block->mReason;
+ $this->mHideName = $block->mHideName;
+ $this->mAllowUsertalk = !$block->prevents( 'editownusertalk' );
+ } else {
+ $this->mBlock = null;
+ $this->mBlockedby = '';
+ $this->mBlockreason = '';
+ $this->mHideName = 0;
+ $this->mAllowUsertalk = false;
+ }
+
+ // Avoid PHP 7.1 warning of passing $this by reference
+ $thisUser = $this;
+ // Extensions
+ Hooks::run( 'GetBlockedStatus', [ &$thisUser ] );
+ }
+
+ /**
+ * Try to load a Block from an ID given in a cookie value.
+ * @param string|null $blockCookieVal The cookie value to check.
+ * @return Block|bool The Block object, or false if none could be loaded.
+ */
+ protected function getBlockFromCookieValue( $blockCookieVal ) {
+ // Make sure there's something to check. The cookie value must start with a number.
+ if ( strlen( $blockCookieVal ) < 1 || !is_numeric( substr( $blockCookieVal, 0, 1 ) ) ) {
+ return false;
+ }
+ // Load the Block from the ID in the cookie.
+ $blockCookieId = Block::getIdFromCookieValue( $blockCookieVal );
+ if ( $blockCookieId !== null ) {
+ // An ID was found in the cookie.
+ $tmpBlock = Block::newFromID( $blockCookieId );
+ if ( $tmpBlock instanceof Block ) {
+ // Check the validity of the block.
+ $blockIsValid = $tmpBlock->getType() == Block::TYPE_USER
+ && !$tmpBlock->isExpired()
+ && $tmpBlock->isAutoblocking();
+ $config = RequestContext::getMain()->getConfig();
+ $useBlockCookie = ( $config->get( 'CookieSetOnAutoblock' ) === true );
+ if ( $blockIsValid && $useBlockCookie ) {
+ // Use the block.
+ return $tmpBlock;
+ } else {
+ // If the block is not valid, remove the cookie.
+ Block::clearCookie( $this->getRequest()->response() );
+ }
+ } else {
+ // If the block doesn't exist, remove the cookie.
+ Block::clearCookie( $this->getRequest()->response() );
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Whether the given IP is in a DNS blacklist.
+ *
+ * @param string $ip IP to check
+ * @param bool $checkWhitelist Whether to check the whitelist first
+ * @return bool True if blacklisted.
+ */
+ public function isDnsBlacklisted( $ip, $checkWhitelist = false ) {
+ global $wgEnableDnsBlacklist, $wgDnsBlacklistUrls, $wgProxyWhitelist;
+
+ if ( !$wgEnableDnsBlacklist ) {
+ return false;
+ }
+
+ if ( $checkWhitelist && in_array( $ip, $wgProxyWhitelist ) ) {
+ return false;
+ }
+
+ return $this->inDnsBlacklist( $ip, $wgDnsBlacklistUrls );
+ }
+
+ /**
+ * Whether the given IP is in a given DNS blacklist.
+ *
+ * @param string $ip IP to check
+ * @param string|array $bases Array of Strings: URL of the DNS blacklist
+ * @return bool True if blacklisted.
+ */
+ public function inDnsBlacklist( $ip, $bases ) {
+ $found = false;
+ // @todo FIXME: IPv6 ??? (https://bugs.php.net/bug.php?id=33170)
+ if ( IP::isIPv4( $ip ) ) {
+ // Reverse IP, T23255
+ $ipReversed = implode( '.', array_reverse( explode( '.', $ip ) ) );
+
+ foreach ( (array)$bases as $base ) {
+ // Make hostname
+ // If we have an access key, use that too (ProjectHoneypot, etc.)
+ $basename = $base;
+ if ( is_array( $base ) ) {
+ if ( count( $base ) >= 2 ) {
+ // Access key is 1, base URL is 0
+ $host = "{$base[1]}.$ipReversed.{$base[0]}";
+ } else {
+ $host = "$ipReversed.{$base[0]}";
+ }
+ $basename = $base[0];
+ } else {
+ $host = "$ipReversed.$base";
+ }
+
+ // Send query
+ $ipList = gethostbynamel( $host );
+
+ if ( $ipList ) {
+ wfDebugLog( 'dnsblacklist', "Hostname $host is {$ipList[0]}, it's a proxy says $basename!" );
+ $found = true;
+ break;
+ } else {
+ wfDebugLog( 'dnsblacklist', "Requested $host, not found in $basename." );
+ }
+ }
+ }
+
+ return $found;
+ }
+
+ /**
+ * Check if an IP address is in the local proxy list
+ *
+ * @param string $ip
+ *
+ * @return bool
+ */
+ public static function isLocallyBlockedProxy( $ip ) {
+ global $wgProxyList;
+
+ if ( !$wgProxyList ) {
+ return false;
+ }
+
+ if ( !is_array( $wgProxyList ) ) {
+ // Load values from the specified file
+ $wgProxyList = array_map( 'trim', file( $wgProxyList ) );
+ }
+
+ $resultProxyList = [];
+ $deprecatedIPEntries = [];
+
+ // backward compatibility: move all ip addresses in keys to values
+ foreach ( $wgProxyList as $key => $value ) {
+ $keyIsIP = IP::isIPAddress( $key );
+ $valueIsIP = IP::isIPAddress( $value );
+ if ( $keyIsIP && !$valueIsIP ) {
+ $deprecatedIPEntries[] = $key;
+ $resultProxyList[] = $key;
+ } elseif ( $keyIsIP && $valueIsIP ) {
+ $deprecatedIPEntries[] = $key;
+ $resultProxyList[] = $key;
+ $resultProxyList[] = $value;
+ } else {
+ $resultProxyList[] = $value;
+ }
+ }
+
+ if ( $deprecatedIPEntries ) {
+ wfDeprecated(
+ 'IP addresses in the keys of $wgProxyList (found the following IP addresses in keys: ' .
+ implode( ', ', $deprecatedIPEntries ) . ', please move them to values)', '1.30' );
+ }
+
+ $proxyListIPSet = new IPSet( $resultProxyList );
+ return $proxyListIPSet->match( $ip );
+ }
+
+ /**
+ * Is this user subject to rate limiting?
+ *
+ * @return bool True if rate limited
+ */
+ public function isPingLimitable() {
+ global $wgRateLimitsExcludedIPs;
+ if ( IP::isInRanges( $this->getRequest()->getIP(), $wgRateLimitsExcludedIPs ) ) {
+ // No other good way currently to disable rate limits
+ // for specific IPs. :P
+ // But this is a crappy hack and should die.
+ return false;
+ }
+ return !$this->isAllowed( 'noratelimit' );
+ }
+
+ /**
+ * Primitive rate limits: enforce maximum actions per time period
+ * to put a brake on flooding.
+ *
+ * The method generates both a generic profiling point and a per action one
+ * (suffix being "-$action".
+ *
+ * @note When using a shared cache like memcached, IP-address
+ * last-hit counters will be shared across wikis.
+ *
+ * @param string $action Action to enforce; 'edit' if unspecified
+ * @param int $incrBy Positive amount to increment counter by [defaults to 1]
+ * @return bool True if a rate limiter was tripped
+ */
+ public function pingLimiter( $action = 'edit', $incrBy = 1 ) {
+ // Avoid PHP 7.1 warning of passing $this by reference
+ $user = $this;
+ // Call the 'PingLimiter' hook
+ $result = false;
+ if ( !Hooks::run( 'PingLimiter', [ &$user, $action, &$result, $incrBy ] ) ) {
+ return $result;
+ }
+
+ global $wgRateLimits;
+ if ( !isset( $wgRateLimits[$action] ) ) {
+ return false;
+ }
+
+ $limits = array_merge(
+ [ '&can-bypass' => true ],
+ $wgRateLimits[$action]
+ );
+
+ // Some groups shouldn't trigger the ping limiter, ever
+ if ( $limits['&can-bypass'] && !$this->isPingLimitable() ) {
+ return false;
+ }
+
+ $keys = [];
+ $id = $this->getId();
+ $userLimit = false;
+ $isNewbie = $this->isNewbie();
+ $cache = ObjectCache::getLocalClusterInstance();
+
+ if ( $id == 0 ) {
+ // limits for anons
+ if ( isset( $limits['anon'] ) ) {
+ $keys[$cache->makeKey( 'limiter', $action, 'anon' )] = $limits['anon'];
+ }
+ } else {
+ // limits for logged-in users
+ if ( isset( $limits['user'] ) ) {
+ $userLimit = $limits['user'];
+ }
+ }
+
+ // limits for anons and for newbie logged-in users
+ if ( $isNewbie ) {
+ // ip-based limits
+ if ( isset( $limits['ip'] ) ) {
+ $ip = $this->getRequest()->getIP();
+ $keys["mediawiki:limiter:$action:ip:$ip"] = $limits['ip'];
+ }
+ // subnet-based limits
+ if ( isset( $limits['subnet'] ) ) {
+ $ip = $this->getRequest()->getIP();
+ $subnet = IP::getSubnet( $ip );
+ if ( $subnet !== false ) {
+ $keys["mediawiki:limiter:$action:subnet:$subnet"] = $limits['subnet'];
+ }
+ }
+ }
+
+ // Check for group-specific permissions
+ // If more than one group applies, use the group with the highest limit ratio (max/period)
+ foreach ( $this->getGroups() as $group ) {
+ if ( isset( $limits[$group] ) ) {
+ if ( $userLimit === false
+ || $limits[$group][0] / $limits[$group][1] > $userLimit[0] / $userLimit[1]
+ ) {
+ $userLimit = $limits[$group];
+ }
+ }
+ }
+
+ // limits for newbie logged-in users (override all the normal user limits)
+ if ( $id !== 0 && $isNewbie && isset( $limits['newbie'] ) ) {
+ $userLimit = $limits['newbie'];
+ }
+
+ // Set the user limit key
+ if ( $userLimit !== false ) {
+ list( $max, $period ) = $userLimit;
+ wfDebug( __METHOD__ . ": effective user limit: $max in {$period}s\n" );
+ $keys[$cache->makeKey( 'limiter', $action, 'user', $id )] = $userLimit;
+ }
+
+ // ip-based limits for all ping-limitable users
+ if ( isset( $limits['ip-all'] ) ) {
+ $ip = $this->getRequest()->getIP();
+ // ignore if user limit is more permissive
+ if ( $isNewbie || $userLimit === false
+ || $limits['ip-all'][0] / $limits['ip-all'][1] > $userLimit[0] / $userLimit[1] ) {
+ $keys["mediawiki:limiter:$action:ip-all:$ip"] = $limits['ip-all'];
+ }
+ }
+
+ // subnet-based limits for all ping-limitable users
+ if ( isset( $limits['subnet-all'] ) ) {
+ $ip = $this->getRequest()->getIP();
+ $subnet = IP::getSubnet( $ip );
+ if ( $subnet !== false ) {
+ // ignore if user limit is more permissive
+ if ( $isNewbie || $userLimit === false
+ || $limits['ip-all'][0] / $limits['ip-all'][1]
+ > $userLimit[0] / $userLimit[1] ) {
+ $keys["mediawiki:limiter:$action:subnet-all:$subnet"] = $limits['subnet-all'];
+ }
+ }
+ }
+
+ $triggered = false;
+ foreach ( $keys as $key => $limit ) {
+ list( $max, $period ) = $limit;
+ $summary = "(limit $max in {$period}s)";
+ $count = $cache->get( $key );
+ // Already pinged?
+ if ( $count ) {
+ if ( $count >= $max ) {
+ wfDebugLog( 'ratelimit', "User '{$this->getName()}' " .
+ "(IP {$this->getRequest()->getIP()}) tripped $key at $count $summary" );
+ $triggered = true;
+ } else {
+ wfDebug( __METHOD__ . ": ok. $key at $count $summary\n" );
+ }
+ } else {
+ wfDebug( __METHOD__ . ": adding record for $key $summary\n" );
+ if ( $incrBy > 0 ) {
+ $cache->add( $key, 0, intval( $period ) ); // first ping
+ }
+ }
+ if ( $incrBy > 0 ) {
+ $cache->incr( $key, $incrBy );
+ }
+ }
+
+ return $triggered;
+ }
+
+ /**
+ * Check if user is blocked
+ *
+ * @param bool $bFromSlave Whether to check the replica DB instead of
+ * the master. Hacked from false due to horrible probs on site.
+ * @return bool True if blocked, false otherwise
+ */
+ public function isBlocked( $bFromSlave = true ) {
+ return $this->getBlock( $bFromSlave ) instanceof Block && $this->getBlock()->prevents( 'edit' );
+ }
+
+ /**
+ * Get the block affecting the user, or null if the user is not blocked
+ *
+ * @param bool $bFromSlave Whether to check the replica DB instead of the master
+ * @return Block|null
+ */
+ public function getBlock( $bFromSlave = true ) {
+ $this->getBlockedStatus( $bFromSlave );
+ return $this->mBlock instanceof Block ? $this->mBlock : null;
+ }
+
+ /**
+ * Check if user is blocked from editing a particular article
+ *
+ * @param Title $title Title to check
+ * @param bool $bFromSlave Whether to check the replica DB instead of the master
+ * @return bool
+ */
+ public function isBlockedFrom( $title, $bFromSlave = false ) {
+ global $wgBlockAllowsUTEdit;
+
+ $blocked = $this->isBlocked( $bFromSlave );
+ $allowUsertalk = ( $wgBlockAllowsUTEdit ? $this->mAllowUsertalk : false );
+ // If a user's name is suppressed, they cannot make edits anywhere
+ if ( !$this->mHideName && $allowUsertalk && $title->getText() === $this->getName()
+ && $title->getNamespace() == NS_USER_TALK ) {
+ $blocked = false;
+ wfDebug( __METHOD__ . ": self-talk page, ignoring any blocks\n" );
+ }
+
+ Hooks::run( 'UserIsBlockedFrom', [ $this, $title, &$blocked, &$allowUsertalk ] );
+
+ return $blocked;
+ }
+
+ /**
+ * If user is blocked, return the name of the user who placed the block
+ * @return string Name of blocker
+ */
+ public function blockedBy() {
+ $this->getBlockedStatus();
+ return $this->mBlockedby;
+ }
+
+ /**
+ * If user is blocked, return the specified reason for the block
+ * @return string Blocking reason
+ */
+ public function blockedFor() {
+ $this->getBlockedStatus();
+ return $this->mBlockreason;
+ }
+
+ /**
+ * If user is blocked, return the ID for the block
+ * @return int Block ID
+ */
+ public function getBlockId() {
+ $this->getBlockedStatus();
+ return ( $this->mBlock ? $this->mBlock->getId() : false );
+ }
+
+ /**
+ * Check if user is blocked on all wikis.
+ * Do not use for actual edit permission checks!
+ * This is intended for quick UI checks.
+ *
+ * @param string $ip IP address, uses current client if none given
+ * @return bool True if blocked, false otherwise
+ */
+ public function isBlockedGlobally( $ip = '' ) {
+ return $this->getGlobalBlock( $ip ) instanceof Block;
+ }
+
+ /**
+ * Check if user is blocked on all wikis.
+ * Do not use for actual edit permission checks!
+ * This is intended for quick UI checks.
+ *
+ * @param string $ip IP address, uses current client if none given
+ * @return Block|null Block object if blocked, null otherwise
+ * @throws FatalError
+ * @throws MWException
+ */
+ public function getGlobalBlock( $ip = '' ) {
+ if ( $this->mGlobalBlock !== null ) {
+ return $this->mGlobalBlock ?: null;
+ }
+ // User is already an IP?
+ if ( IP::isIPAddress( $this->getName() ) ) {
+ $ip = $this->getName();
+ } elseif ( !$ip ) {
+ $ip = $this->getRequest()->getIP();
+ }
+ // Avoid PHP 7.1 warning of passing $this by reference
+ $user = $this;
+ $blocked = false;
+ $block = null;
+ Hooks::run( 'UserIsBlockedGlobally', [ &$user, $ip, &$blocked, &$block ] );
+
+ if ( $blocked && $block === null ) {
+ // back-compat: UserIsBlockedGlobally didn't have $block param first
+ $block = new Block( [
+ 'address' => $ip,
+ 'systemBlock' => 'global-block'
+ ] );
+ }
+
+ $this->mGlobalBlock = $blocked ? $block : false;
+ return $this->mGlobalBlock ?: null;
+ }
+
+ /**
+ * Check if user account is locked
+ *
+ * @return bool True if locked, false otherwise
+ */
+ public function isLocked() {
+ if ( $this->mLocked !== null ) {
+ return $this->mLocked;
+ }
+ // Avoid PHP 7.1 warning of passing $this by reference
+ $user = $this;
+ $authUser = AuthManager::callLegacyAuthPlugin( 'getUserInstance', [ &$user ], null );
+ $this->mLocked = $authUser && $authUser->isLocked();
+ Hooks::run( 'UserIsLocked', [ $this, &$this->mLocked ] );
+ return $this->mLocked;
+ }
+
+ /**
+ * Check if user account is hidden
+ *
+ * @return bool True if hidden, false otherwise
+ */
+ public function isHidden() {
+ if ( $this->mHideName !== null ) {
+ return $this->mHideName;
+ }
+ $this->getBlockedStatus();
+ if ( !$this->mHideName ) {
+ // Avoid PHP 7.1 warning of passing $this by reference
+ $user = $this;
+ $authUser = AuthManager::callLegacyAuthPlugin( 'getUserInstance', [ &$user ], null );
+ $this->mHideName = $authUser && $authUser->isHidden();
+ Hooks::run( 'UserIsHidden', [ $this, &$this->mHideName ] );
+ }
+ return $this->mHideName;
+ }
+
+ /**
+ * Get the user's ID.
+ * @return int The user's ID; 0 if the user is anonymous or nonexistent
+ */
+ public function getId() {
+ if ( $this->mId === null && $this->mName !== null && self::isIP( $this->mName ) ) {
+ // Special case, we know the user is anonymous
+ return 0;
+ } elseif ( !$this->isItemLoaded( 'id' ) ) {
+ // Don't load if this was initialized from an ID
+ $this->load();
+ }
+
+ return (int)$this->mId;
+ }
+
+ /**
+ * Set the user and reload all fields according to a given ID
+ * @param int $v User ID to reload
+ */
+ public function setId( $v ) {
+ $this->mId = $v;
+ $this->clearInstanceCache( 'id' );
+ }
+
+ /**
+ * Get the user name, or the IP of an anonymous user
+ * @return string User's name or IP address
+ */
+ public function getName() {
+ if ( $this->isItemLoaded( 'name', 'only' ) ) {
+ // Special case optimisation
+ return $this->mName;
+ } else {
+ $this->load();
+ if ( $this->mName === false ) {
+ // Clean up IPs
+ $this->mName = IP::sanitizeIP( $this->getRequest()->getIP() );
+ }
+ return $this->mName;
+ }
+ }
+
+ /**
+ * Set the user name.
+ *
+ * This does not reload fields from the database according to the given
+ * name. Rather, it is used to create a temporary "nonexistent user" for
+ * later addition to the database. It can also be used to set the IP
+ * address for an anonymous user to something other than the current
+ * remote IP.
+ *
+ * @note User::newFromName() has roughly the same function, when the named user
+ * does not exist.
+ * @param string $str New user name to set
+ */
+ public function setName( $str ) {
+ $this->load();
+ $this->mName = $str;
+ }
+
+ /**
+ * Get the user's actor ID.
+ * @since 1.31
+ * @param IDatabase|null $dbw Assign a new actor ID, using this DB handle, if none exists
+ * @return int The actor's ID, or 0 if no actor ID exists and $dbw was null
+ */
+ public function getActorId( IDatabase $dbw = null ) {
+ global $wgActorTableSchemaMigrationStage;
+
+ if ( $wgActorTableSchemaMigrationStage <= MIGRATION_OLD ) {
+ return 0;
+ }
+
+ if ( !$this->isItemLoaded( 'actor' ) ) {
+ $this->load();
+ }
+
+ // Currently $this->mActorId might be null if $this was loaded from a
+ // cache entry that was written when $wgActorTableSchemaMigrationStage
+ // was MIGRATION_OLD. Once that is no longer a possibility (i.e. when
+ // User::VERSION is incremented after $wgActorTableSchemaMigrationStage
+ // has been removed), that condition may be removed.
+ if ( $this->mActorId === null || !$this->mActorId && $dbw ) {
+ $q = [
+ 'actor_user' => $this->getId() ?: null,
+ 'actor_name' => (string)$this->getName(),
+ ];
+ if ( $dbw ) {
+ if ( $q['actor_user'] === null && self::isUsableName( $q['actor_name'] ) ) {
+ throw new CannotCreateActorException(
+ 'Cannot create an actor for a usable name that is not an existing user'
+ );
+ }
+ if ( $q['actor_name'] === '' ) {
+ throw new CannotCreateActorException( 'Cannot create an actor for a user with no name' );
+ }
+ $dbw->insert( 'actor', $q, __METHOD__, [ 'IGNORE' ] );
+ if ( $dbw->affectedRows() ) {
+ $this->mActorId = (int)$dbw->insertId();
+ } else {
+ // Outdated cache?
+ // Use LOCK IN SHARE MODE to bypass any MySQL REPEATABLE-READ snapshot.
+ $this->mActorId = (int)$dbw->selectField(
+ 'actor',
+ 'actor_id',
+ $q,
+ __METHOD__,
+ [ 'LOCK IN SHARE MODE' ]
+ );
+ if ( !$this->mActorId ) {
+ throw new CannotCreateActorException(
+ "Cannot create actor ID for user_id={$this->getId()} user_name={$this->getName()}"
+ );
+ }
+ }
+ $this->invalidateCache();
+ } else {
+ list( $index, $options ) = DBAccessObjectUtils::getDBOptions( $this->queryFlagsUsed );
+ $db = wfGetDB( $index );
+ $this->mActorId = (int)$db->selectField( 'actor', 'actor_id', $q, __METHOD__, $options );
+ }
+ $this->setItemLoaded( 'actor' );
+ }
+
+ return (int)$this->mActorId;
+ }
+
+ /**
+ * Get the user's name escaped by underscores.
+ * @return string Username escaped by underscores.
+ */
+ public function getTitleKey() {
+ return str_replace( ' ', '_', $this->getName() );
+ }
+
+ /**
+ * Check if the user has new messages.
+ * @return bool True if the user has new messages
+ */
+ public function getNewtalk() {
+ $this->load();
+
+ // Load the newtalk status if it is unloaded (mNewtalk=-1)
+ if ( $this->mNewtalk === -1 ) {
+ $this->mNewtalk = false; # reset talk page status
+
+ // Check memcached separately for anons, who have no
+ // entire User object stored in there.
+ if ( !$this->mId ) {
+ global $wgDisableAnonTalk;
+ if ( $wgDisableAnonTalk ) {
+ // Anon newtalk disabled by configuration.
+ $this->mNewtalk = false;
+ } else {
+ $this->mNewtalk = $this->checkNewtalk( 'user_ip', $this->getName() );
+ }
+ } else {
+ $this->mNewtalk = $this->checkNewtalk( 'user_id', $this->mId );
+ }
+ }
+
+ return (bool)$this->mNewtalk;
+ }
+
+ /**
+ * Return the data needed to construct links for new talk page message
+ * alerts. If there are new messages, this will return an associative array
+ * with the following data:
+ * wiki: The database name of the wiki
+ * link: Root-relative link to the user's talk page
+ * rev: The last talk page revision that the user has seen or null. This
+ * is useful for building diff links.
+ * If there are no new messages, it returns an empty array.
+ * @note This function was designed to accomodate multiple talk pages, but
+ * currently only returns a single link and revision.
+ * @return array
+ */
+ public function getNewMessageLinks() {
+ // Avoid PHP 7.1 warning of passing $this by reference
+ $user = $this;
+ $talks = [];
+ if ( !Hooks::run( 'UserRetrieveNewTalks', [ &$user, &$talks ] ) ) {
+ return $talks;
+ } elseif ( !$this->getNewtalk() ) {
+ return [];
+ }
+ $utp = $this->getTalkPage();
+ $dbr = wfGetDB( DB_REPLICA );
+ // Get the "last viewed rev" timestamp from the oldest message notification
+ $timestamp = $dbr->selectField( 'user_newtalk',
+ 'MIN(user_last_timestamp)',
+ $this->isAnon() ? [ 'user_ip' => $this->getName() ] : [ 'user_id' => $this->getId() ],
+ __METHOD__ );
+ $rev = $timestamp ? Revision::loadFromTimestamp( $dbr, $utp, $timestamp ) : null;
+ return [ [ 'wiki' => wfWikiID(), 'link' => $utp->getLocalURL(), 'rev' => $rev ] ];
+ }
+
+ /**
+ * Get the revision ID for the last talk page revision viewed by the talk
+ * page owner.
+ * @return int|null Revision ID or null
+ */
+ public function getNewMessageRevisionId() {
+ $newMessageRevisionId = null;
+ $newMessageLinks = $this->getNewMessageLinks();
+ if ( $newMessageLinks ) {
+ // Note: getNewMessageLinks() never returns more than a single link
+ // and it is always for the same wiki, but we double-check here in
+ // case that changes some time in the future.
+ if ( count( $newMessageLinks ) === 1
+ && $newMessageLinks[0]['wiki'] === wfWikiID()
+ && $newMessageLinks[0]['rev']
+ ) {
+ /** @var Revision $newMessageRevision */
+ $newMessageRevision = $newMessageLinks[0]['rev'];
+ $newMessageRevisionId = $newMessageRevision->getId();
+ }
+ }
+ return $newMessageRevisionId;
+ }
+
+ /**
+ * Internal uncached check for new messages
+ *
+ * @see getNewtalk()
+ * @param string $field 'user_ip' for anonymous users, 'user_id' otherwise
+ * @param string|int $id User's IP address for anonymous users, User ID otherwise
+ * @return bool True if the user has new messages
+ */
+ protected function checkNewtalk( $field, $id ) {
+ $dbr = wfGetDB( DB_REPLICA );
+
+ $ok = $dbr->selectField( 'user_newtalk', $field, [ $field => $id ], __METHOD__ );
+
+ return $ok !== false;
+ }
+
+ /**
+ * Add or update the new messages flag
+ * @param string $field 'user_ip' for anonymous users, 'user_id' otherwise
+ * @param string|int $id User's IP address for anonymous users, User ID otherwise
+ * @param Revision|null $curRev New, as yet unseen revision of the user talk page. Ignored if null.
+ * @return bool True if successful, false otherwise
+ */
+ protected function updateNewtalk( $field, $id, $curRev = null ) {
+ // Get timestamp of the talk page revision prior to the current one
+ $prevRev = $curRev ? $curRev->getPrevious() : false;
+ $ts = $prevRev ? $prevRev->getTimestamp() : null;
+ // Mark the user as having new messages since this revision
+ $dbw = wfGetDB( DB_MASTER );
+ $dbw->insert( 'user_newtalk',
+ [ $field => $id, 'user_last_timestamp' => $dbw->timestampOrNull( $ts ) ],
+ __METHOD__,
+ 'IGNORE' );
+ if ( $dbw->affectedRows() ) {
+ wfDebug( __METHOD__ . ": set on ($field, $id)\n" );
+ return true;
+ } else {
+ wfDebug( __METHOD__ . " already set ($field, $id)\n" );
+ return false;
+ }
+ }
+
+ /**
+ * Clear the new messages flag for the given user
+ * @param string $field 'user_ip' for anonymous users, 'user_id' otherwise
+ * @param string|int $id User's IP address for anonymous users, User ID otherwise
+ * @return bool True if successful, false otherwise
+ */
+ protected function deleteNewtalk( $field, $id ) {
+ $dbw = wfGetDB( DB_MASTER );
+ $dbw->delete( 'user_newtalk',
+ [ $field => $id ],
+ __METHOD__ );
+ if ( $dbw->affectedRows() ) {
+ wfDebug( __METHOD__ . ": killed on ($field, $id)\n" );
+ return true;
+ } else {
+ wfDebug( __METHOD__ . ": already gone ($field, $id)\n" );
+ return false;
+ }
+ }
+
+ /**
+ * Update the 'You have new messages!' status.
+ * @param bool $val Whether the user has new messages
+ * @param Revision $curRev New, as yet unseen revision of the user talk
+ * page. Ignored if null or !$val.
+ */
+ public function setNewtalk( $val, $curRev = null ) {
+ if ( wfReadOnly() ) {
+ return;
+ }
+
+ $this->load();
+ $this->mNewtalk = $val;
+
+ if ( $this->isAnon() ) {
+ $field = 'user_ip';
+ $id = $this->getName();
+ } else {
+ $field = 'user_id';
+ $id = $this->getId();
+ }
+
+ if ( $val ) {
+ $changed = $this->updateNewtalk( $field, $id, $curRev );
+ } else {
+ $changed = $this->deleteNewtalk( $field, $id );
+ }
+
+ if ( $changed ) {
+ $this->invalidateCache();
+ }
+ }
+
+ /**
+ * Generate a current or new-future timestamp to be stored in the
+ * user_touched field when we update things.
+ * @return string Timestamp in TS_MW format
+ */
+ private function newTouchedTimestamp() {
+ global $wgClockSkewFudge;
+
+ $time = wfTimestamp( TS_MW, time() + $wgClockSkewFudge );
+ if ( $this->mTouched && $time <= $this->mTouched ) {
+ $time = wfTimestamp( TS_MW, wfTimestamp( TS_UNIX, $this->mTouched ) + 1 );
+ }
+
+ return $time;
+ }
+
+ /**
+ * Clear user data from memcached
+ *
+ * Use after applying updates to the database; caller's
+ * responsibility to update user_touched if appropriate.
+ *
+ * Called implicitly from invalidateCache() and saveSettings().
+ *
+ * @param string $mode Use 'refresh' to clear now; otherwise before DB commit
+ */
+ public function clearSharedCache( $mode = 'changed' ) {
+ if ( !$this->getId() ) {
+ return;
+ }
+
+ $cache = ObjectCache::getMainWANInstance();
+ $key = $this->getCacheKey( $cache );
+ if ( $mode === 'refresh' ) {
+ $cache->delete( $key, 1 );
+ } else {
+ $lb = MediaWikiServices::getInstance()->getDBLoadBalancer();
+ if ( $lb->hasOrMadeRecentMasterChanges() ) {
+ $lb->getConnection( DB_MASTER )->onTransactionPreCommitOrIdle(
+ function () use ( $cache, $key ) {
+ $cache->delete( $key );
+ },
+ __METHOD__
+ );
+ } else {
+ $cache->delete( $key );
+ }
+ }
+ }
+
+ /**
+ * Immediately touch the user data cache for this account
+ *
+ * Calls touch() and removes account data from memcached
+ */
+ public function invalidateCache() {
+ $this->touch();
+ $this->clearSharedCache();
+ }
+
+ /**
+ * Update the "touched" timestamp for the user
+ *
+ * This is useful on various login/logout events when making sure that
+ * a browser or proxy that has multiple tenants does not suffer cache
+ * pollution where the new user sees the old users content. The value
+ * of getTouched() is checked when determining 304 vs 200 responses.
+ * Unlike invalidateCache(), this preserves the User object cache and
+ * avoids database writes.
+ *
+ * @since 1.25
+ */
+ public function touch() {
+ $id = $this->getId();
+ if ( $id ) {
+ $cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
+ $key = $cache->makeKey( 'user-quicktouched', 'id', $id );
+ $cache->touchCheckKey( $key );
+ $this->mQuickTouched = null;
+ }
+ }
+
+ /**
+ * Validate the cache for this account.
+ * @param string $timestamp A timestamp in TS_MW format
+ * @return bool
+ */
+ public function validateCache( $timestamp ) {
+ return ( $timestamp >= $this->getTouched() );
+ }
+
+ /**
+ * Get the user touched timestamp
+ *
+ * Use this value only to validate caches via inequalities
+ * such as in the case of HTTP If-Modified-Since response logic
+ *
+ * @return string TS_MW Timestamp
+ */
+ public function getTouched() {
+ $this->load();
+
+ if ( $this->mId ) {
+ if ( $this->mQuickTouched === null ) {
+ $cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
+ $key = $cache->makeKey( 'user-quicktouched', 'id', $this->mId );
+
+ $this->mQuickTouched = wfTimestamp( TS_MW, $cache->getCheckKeyTime( $key ) );
+ }
+
+ return max( $this->mTouched, $this->mQuickTouched );
+ }
+
+ return $this->mTouched;
+ }
+
+ /**
+ * Get the user_touched timestamp field (time of last DB updates)
+ * @return string TS_MW Timestamp
+ * @since 1.26
+ */
+ public function getDBTouched() {
+ $this->load();
+
+ return $this->mTouched;
+ }
+
+ /**
+ * Set the password and reset the random token.
+ * Calls through to authentication plugin if necessary;
+ * will have no effect if the auth plugin refuses to
+ * pass the change through or if the legal password
+ * checks fail.
+ *
+ * As a special case, setting the password to null
+ * wipes it, so the account cannot be logged in until
+ * a new password is set, for instance via e-mail.
+ *
+ * @deprecated since 1.27, use AuthManager instead
+ * @param string $str New password to set
+ * @throws PasswordError On failure
+ * @return bool
+ */
+ public function setPassword( $str ) {
+ return $this->setPasswordInternal( $str );
+ }
+
+ /**
+ * Set the password and reset the random token unconditionally.
+ *
+ * @deprecated since 1.27, use AuthManager instead
+ * @param string|null $str New password to set or null to set an invalid
+ * password hash meaning that the user will not be able to log in
+ * through the web interface.
+ */
+ public function setInternalPassword( $str ) {
+ $this->setPasswordInternal( $str );
+ }
+
+ /**
+ * Actually set the password and such
+ * @since 1.27 cannot set a password for a user not in the database
+ * @param string|null $str New password to set or null to set an invalid
+ * password hash meaning that the user will not be able to log in
+ * through the web interface.
+ * @return bool Success
+ */
+ private function setPasswordInternal( $str ) {
+ $manager = AuthManager::singleton();
+
+ // If the user doesn't exist yet, fail
+ if ( !$manager->userExists( $this->getName() ) ) {
+ throw new LogicException( 'Cannot set a password for a user that is not in the database.' );
+ }
+
+ $status = $this->changeAuthenticationData( [
+ 'username' => $this->getName(),
+ 'password' => $str,
+ 'retype' => $str,
+ ] );
+ if ( !$status->isGood() ) {
+ \MediaWiki\Logger\LoggerFactory::getInstance( 'authentication' )
+ ->info( __METHOD__ . ': Password change rejected: '
+ . $status->getWikiText( null, null, 'en' ) );
+ return false;
+ }
+
+ $this->setOption( 'watchlisttoken', false );
+ SessionManager::singleton()->invalidateSessionsForUser( $this );
+
+ return true;
+ }
+
+ /**
+ * Changes credentials of the user.
+ *
+ * This is a convenience wrapper around AuthManager::changeAuthenticationData.
+ * Note that this can return a status that isOK() but not isGood() on certain types of failures,
+ * e.g. when no provider handled the change.
+ *
+ * @param array $data A set of authentication data in fieldname => value format. This is the
+ * same data you would pass the changeauthenticationdata API - 'username', 'password' etc.
+ * @return Status
+ * @since 1.27
+ */
+ public function changeAuthenticationData( array $data ) {
+ $manager = AuthManager::singleton();
+ $reqs = $manager->getAuthenticationRequests( AuthManager::ACTION_CHANGE, $this );
+ $reqs = AuthenticationRequest::loadRequestsFromSubmission( $reqs, $data );
+
+ $status = Status::newGood( 'ignored' );
+ foreach ( $reqs as $req ) {
+ $status->merge( $manager->allowsAuthenticationDataChange( $req ), true );
+ }
+ if ( $status->getValue() === 'ignored' ) {
+ $status->warning( 'authenticationdatachange-ignored' );
+ }
+
+ if ( $status->isGood() ) {
+ foreach ( $reqs as $req ) {
+ $manager->changeAuthenticationData( $req );
+ }
+ }
+ return $status;
+ }
+
+ /**
+ * Get the user's current token.
+ * @param bool $forceCreation Force the generation of a new token if the
+ * user doesn't have one (default=true for backwards compatibility).
+ * @return string|null Token
+ */
+ public function getToken( $forceCreation = true ) {
+ global $wgAuthenticationTokenVersion;
+
+ $this->load();
+ if ( !$this->mToken && $forceCreation ) {
+ $this->setToken();
+ }
+
+ if ( !$this->mToken ) {
+ // The user doesn't have a token, return null to indicate that.
+ return null;
+ } elseif ( $this->mToken === self::INVALID_TOKEN ) {
+ // We return a random value here so existing token checks are very
+ // likely to fail.
+ return MWCryptRand::generateHex( self::TOKEN_LENGTH );
+ } elseif ( $wgAuthenticationTokenVersion === null ) {
+ // $wgAuthenticationTokenVersion not in use, so return the raw secret
+ return $this->mToken;
+ } else {
+ // $wgAuthenticationTokenVersion in use, so hmac it.
+ $ret = MWCryptHash::hmac( $wgAuthenticationTokenVersion, $this->mToken, false );
+
+ // The raw hash can be overly long. Shorten it up.
+ $len = max( 32, self::TOKEN_LENGTH );
+ if ( strlen( $ret ) < $len ) {
+ // Should never happen, even md5 is 128 bits
+ throw new \UnexpectedValueException( 'Hmac returned less than 128 bits' );
+ }
+ return substr( $ret, -$len );
+ }
+ }
+
+ /**
+ * Set the random token (used for persistent authentication)
+ * Called from loadDefaults() among other places.
+ *
+ * @param string|bool $token If specified, set the token to this value
+ */
+ public function setToken( $token = false ) {
+ $this->load();
+ if ( $this->mToken === self::INVALID_TOKEN ) {
+ \MediaWiki\Logger\LoggerFactory::getInstance( 'session' )
+ ->debug( __METHOD__ . ": Ignoring attempt to set token for system user \"$this\"" );
+ } elseif ( !$token ) {
+ $this->mToken = MWCryptRand::generateHex( self::TOKEN_LENGTH );
+ } else {
+ $this->mToken = $token;
+ }
+ }
+
+ /**
+ * Set the password for a password reminder or new account email
+ *
+ * @deprecated Removed in 1.27. Use PasswordReset instead.
+ * @param string $str New password to set or null to set an invalid
+ * password hash meaning that the user will not be able to use it
+ * @param bool $throttle If true, reset the throttle timestamp to the present
+ */
+ public function setNewpassword( $str, $throttle = true ) {
+ throw new BadMethodCallException( __METHOD__ . ' has been removed in 1.27' );
+ }
+
+ /**
+ * Get the user's e-mail address
+ * @return string User's email address
+ */
+ public function getEmail() {
+ $this->load();
+ Hooks::run( 'UserGetEmail', [ $this, &$this->mEmail ] );
+ return $this->mEmail;
+ }
+
+ /**
+ * Get the timestamp of the user's e-mail authentication
+ * @return string TS_MW timestamp
+ */
+ public function getEmailAuthenticationTimestamp() {
+ $this->load();
+ Hooks::run( 'UserGetEmailAuthenticationTimestamp', [ $this, &$this->mEmailAuthenticated ] );
+ return $this->mEmailAuthenticated;
+ }
+
+ /**
+ * Set the user's e-mail address
+ * @param string $str New e-mail address
+ */
+ public function setEmail( $str ) {
+ $this->load();
+ if ( $str == $this->mEmail ) {
+ return;
+ }
+ $this->invalidateEmail();
+ $this->mEmail = $str;
+ Hooks::run( 'UserSetEmail', [ $this, &$this->mEmail ] );
+ }
+
+ /**
+ * Set the user's e-mail address and a confirmation mail if needed.
+ *
+ * @since 1.20
+ * @param string $str New e-mail address
+ * @return Status
+ */
+ public function setEmailWithConfirmation( $str ) {
+ global $wgEnableEmail, $wgEmailAuthentication;
+
+ if ( !$wgEnableEmail ) {
+ return Status::newFatal( 'emaildisabled' );
+ }
+
+ $oldaddr = $this->getEmail();
+ if ( $str === $oldaddr ) {
+ return Status::newGood( true );
+ }
+
+ $type = $oldaddr != '' ? 'changed' : 'set';
+ $notificationResult = null;
+
+ if ( $wgEmailAuthentication ) {
+ // Send the user an email notifying the user of the change in registered
+ // email address on their previous email address
+ if ( $type == 'changed' ) {
+ $change = $str != '' ? 'changed' : 'removed';
+ $notificationResult = $this->sendMail(
+ wfMessage( 'notificationemail_subject_' . $change )->text(),
+ wfMessage( 'notificationemail_body_' . $change,
+ $this->getRequest()->getIP(),
+ $this->getName(),
+ $str )->text()
+ );
+ }
+ }
+
+ $this->setEmail( $str );
+
+ if ( $str !== '' && $wgEmailAuthentication ) {
+ // Send a confirmation request to the new address if needed
+ $result = $this->sendConfirmationMail( $type );
+
+ if ( $notificationResult !== null ) {
+ $result->merge( $notificationResult );
+ }
+
+ if ( $result->isGood() ) {
+ // Say to the caller that a confirmation and notification mail has been sent
+ $result->value = 'eauth';
+ }
+ } else {
+ $result = Status::newGood( true );
+ }
+
+ return $result;
+ }
+
+ /**
+ * Get the user's real name
+ * @return string User's real name
+ */
+ public function getRealName() {
+ if ( !$this->isItemLoaded( 'realname' ) ) {
+ $this->load();
+ }
+
+ return $this->mRealName;
+ }
+
+ /**
+ * Set the user's real name
+ * @param string $str New real name
+ */
+ public function setRealName( $str ) {
+ $this->load();
+ $this->mRealName = $str;
+ }
+
+ /**
+ * Get the user's current setting for a given option.
+ *
+ * @param string $oname The option to check
+ * @param string|array $defaultOverride A default value returned if the option does not exist
+ * @param bool $ignoreHidden Whether to ignore the effects of $wgHiddenPrefs
+ * @return string|array|int|null User's current value for the option
+ * @see getBoolOption()
+ * @see getIntOption()
+ */
+ public function getOption( $oname, $defaultOverride = null, $ignoreHidden = false ) {
+ global $wgHiddenPrefs;
+ $this->loadOptions();
+
+ # We want 'disabled' preferences to always behave as the default value for
+ # users, even if they have set the option explicitly in their settings (ie they
+ # set it, and then it was disabled removing their ability to change it). But
+ # we don't want to erase the preferences in the database in case the preference
+ # is re-enabled again. So don't touch $mOptions, just override the returned value
+ if ( !$ignoreHidden && in_array( $oname, $wgHiddenPrefs ) ) {
+ return self::getDefaultOption( $oname );
+ }
+
+ if ( array_key_exists( $oname, $this->mOptions ) ) {
+ return $this->mOptions[$oname];
+ } else {
+ return $defaultOverride;
+ }
+ }
+
+ /**
+ * Get all user's options
+ *
+ * @param int $flags Bitwise combination of:
+ * User::GETOPTIONS_EXCLUDE_DEFAULTS Exclude user options that are set
+ * to the default value. (Since 1.25)
+ * @return array
+ */
+ public function getOptions( $flags = 0 ) {
+ global $wgHiddenPrefs;
+ $this->loadOptions();
+ $options = $this->mOptions;
+
+ # We want 'disabled' preferences to always behave as the default value for
+ # users, even if they have set the option explicitly in their settings (ie they
+ # set it, and then it was disabled removing their ability to change it). But
+ # we don't want to erase the preferences in the database in case the preference
+ # is re-enabled again. So don't touch $mOptions, just override the returned value
+ foreach ( $wgHiddenPrefs as $pref ) {
+ $default = self::getDefaultOption( $pref );
+ if ( $default !== null ) {
+ $options[$pref] = $default;
+ }
+ }
+
+ if ( $flags & self::GETOPTIONS_EXCLUDE_DEFAULTS ) {
+ $options = array_diff_assoc( $options, self::getDefaultOptions() );
+ }
+
+ return $options;
+ }
+
+ /**
+ * Get the user's current setting for a given option, as a boolean value.
+ *
+ * @param string $oname The option to check
+ * @return bool User's current value for the option
+ * @see getOption()
+ */
+ public function getBoolOption( $oname ) {
+ return (bool)$this->getOption( $oname );
+ }
+
+ /**
+ * Get the user's current setting for a given option, as an integer value.
+ *
+ * @param string $oname The option to check
+ * @param int $defaultOverride A default value returned if the option does not exist
+ * @return int User's current value for the option
+ * @see getOption()
+ */
+ public function getIntOption( $oname, $defaultOverride = 0 ) {
+ $val = $this->getOption( $oname );
+ if ( $val == '' ) {
+ $val = $defaultOverride;
+ }
+ return intval( $val );
+ }
+
+ /**
+ * Set the given option for a user.
+ *
+ * You need to call saveSettings() to actually write to the database.
+ *
+ * @param string $oname The option to set
+ * @param mixed $val New value to set
+ */
+ public function setOption( $oname, $val ) {
+ $this->loadOptions();
+
+ // Explicitly NULL values should refer to defaults
+ if ( is_null( $val ) ) {
+ $val = self::getDefaultOption( $oname );
+ }
+
+ $this->mOptions[$oname] = $val;
+ }
+
+ /**
+ * Get a token stored in the preferences (like the watchlist one),
+ * resetting it if it's empty (and saving changes).
+ *
+ * @param string $oname The option name to retrieve the token from
+ * @return string|bool User's current value for the option, or false if this option is disabled.
+ * @see resetTokenFromOption()
+ * @see getOption()
+ * @deprecated since 1.26 Applications should use the OAuth extension
+ */
+ public function getTokenFromOption( $oname ) {
+ global $wgHiddenPrefs;
+
+ $id = $this->getId();
+ if ( !$id || in_array( $oname, $wgHiddenPrefs ) ) {
+ return false;
+ }
+
+ $token = $this->getOption( $oname );
+ if ( !$token ) {
+ // Default to a value based on the user token to avoid space
+ // wasted on storing tokens for all users. When this option
+ // is set manually by the user, only then is it stored.
+ $token = hash_hmac( 'sha1', "$oname:$id", $this->getToken() );
+ }
+
+ return $token;
+ }
+
+ /**
+ * Reset a token stored in the preferences (like the watchlist one).
+ * *Does not* save user's preferences (similarly to setOption()).
+ *
+ * @param string $oname The option name to reset the token in
+ * @return string|bool New token value, or false if this option is disabled.
+ * @see getTokenFromOption()
+ * @see setOption()
+ */
+ public function resetTokenFromOption( $oname ) {
+ global $wgHiddenPrefs;
+ if ( in_array( $oname, $wgHiddenPrefs ) ) {
+ return false;
+ }
+
+ $token = MWCryptRand::generateHex( 40 );
+ $this->setOption( $oname, $token );
+ return $token;
+ }
+
+ /**
+ * Return a list of the types of user options currently returned by
+ * User::getOptionKinds().
+ *
+ * Currently, the option kinds are:
+ * - 'registered' - preferences which are registered in core MediaWiki or
+ * by extensions using the UserGetDefaultOptions hook.
+ * - 'registered-multiselect' - as above, using the 'multiselect' type.
+ * - 'registered-checkmatrix' - as above, using the 'checkmatrix' type.
+ * - 'userjs' - preferences with names starting with 'userjs-', intended to
+ * be used by user scripts.
+ * - 'special' - "preferences" that are not accessible via User::getOptions
+ * or User::setOptions.
+ * - 'unused' - preferences about which MediaWiki doesn't know anything.
+ * These are usually legacy options, removed in newer versions.
+ *
+ * The API (and possibly others) use this function to determine the possible
+ * option types for validation purposes, so make sure to update this when a
+ * new option kind is added.
+ *
+ * @see User::getOptionKinds
+ * @return array Option kinds
+ */
+ public static function listOptionKinds() {
+ return [
+ 'registered',
+ 'registered-multiselect',
+ 'registered-checkmatrix',
+ 'userjs',
+ 'special',
+ 'unused'
+ ];
+ }
+
+ /**
+ * Return an associative array mapping preferences keys to the kind of a preference they're
+ * used for. Different kinds are handled differently when setting or reading preferences.
+ *
+ * See User::listOptionKinds for the list of valid option types that can be provided.
+ *
+ * @see User::listOptionKinds
+ * @param IContextSource $context
+ * @param array $options Assoc. array with options keys to check as keys.
+ * Defaults to $this->mOptions.
+ * @return array The key => kind mapping data
+ */
+ public function getOptionKinds( IContextSource $context, $options = null ) {
+ $this->loadOptions();
+ if ( $options === null ) {
+ $options = $this->mOptions;
+ }
+
+ $preferencesFactory = MediaWikiServices::getInstance()->getPreferencesFactory();
+ $prefs = $preferencesFactory->getFormDescriptor( $this, $context );
+ $mapping = [];
+
+ // Pull out the "special" options, so they don't get converted as
+ // multiselect or checkmatrix.
+ $specialOptions = array_fill_keys( $preferencesFactory->getSaveBlacklist(), true );
+ foreach ( $specialOptions as $name => $value ) {
+ unset( $prefs[$name] );
+ }
+
+ // Multiselect and checkmatrix options are stored in the database with
+ // one key per option, each having a boolean value. Extract those keys.
+ $multiselectOptions = [];
+ foreach ( $prefs as $name => $info ) {
+ if ( ( isset( $info['type'] ) && $info['type'] == 'multiselect' ) ||
+ ( isset( $info['class'] ) && $info['class'] == HTMLMultiSelectField::class ) ) {
+ $opts = HTMLFormField::flattenOptions( $info['options'] );
+ $prefix = isset( $info['prefix'] ) ? $info['prefix'] : $name;
+
+ foreach ( $opts as $value ) {
+ $multiselectOptions["$prefix$value"] = true;
+ }
+
+ unset( $prefs[$name] );
+ }
+ }
+ $checkmatrixOptions = [];
+ foreach ( $prefs as $name => $info ) {
+ if ( ( isset( $info['type'] ) && $info['type'] == 'checkmatrix' ) ||
+ ( isset( $info['class'] ) && $info['class'] == HTMLCheckMatrix::class ) ) {
+ $columns = HTMLFormField::flattenOptions( $info['columns'] );
+ $rows = HTMLFormField::flattenOptions( $info['rows'] );
+ $prefix = isset( $info['prefix'] ) ? $info['prefix'] : $name;
+
+ foreach ( $columns as $column ) {
+ foreach ( $rows as $row ) {
+ $checkmatrixOptions["$prefix$column-$row"] = true;
+ }
+ }
+
+ unset( $prefs[$name] );
+ }
+ }
+
+ // $value is ignored
+ foreach ( $options as $key => $value ) {
+ if ( isset( $prefs[$key] ) ) {
+ $mapping[$key] = 'registered';
+ } elseif ( isset( $multiselectOptions[$key] ) ) {
+ $mapping[$key] = 'registered-multiselect';
+ } elseif ( isset( $checkmatrixOptions[$key] ) ) {
+ $mapping[$key] = 'registered-checkmatrix';
+ } elseif ( isset( $specialOptions[$key] ) ) {
+ $mapping[$key] = 'special';
+ } elseif ( substr( $key, 0, 7 ) === 'userjs-' ) {
+ $mapping[$key] = 'userjs';
+ } else {
+ $mapping[$key] = 'unused';
+ }
+ }
+
+ return $mapping;
+ }
+
+ /**
+ * Reset certain (or all) options to the site defaults
+ *
+ * The optional parameter determines which kinds of preferences will be reset.
+ * Supported values are everything that can be reported by getOptionKinds()
+ * and 'all', which forces a reset of *all* preferences and overrides everything else.
+ *
+ * @param array|string $resetKinds Which kinds of preferences to reset. Defaults to
+ * array( 'registered', 'registered-multiselect', 'registered-checkmatrix', 'unused' )
+ * for backwards-compatibility.
+ * @param IContextSource|null $context Context source used when $resetKinds
+ * does not contain 'all', passed to getOptionKinds().
+ * Defaults to RequestContext::getMain() when null.
+ */
+ public function resetOptions(
+ $resetKinds = [ 'registered', 'registered-multiselect', 'registered-checkmatrix', 'unused' ],
+ IContextSource $context = null
+ ) {
+ $this->load();
+ $defaultOptions = self::getDefaultOptions();
+
+ if ( !is_array( $resetKinds ) ) {
+ $resetKinds = [ $resetKinds ];
+ }
+
+ if ( in_array( 'all', $resetKinds ) ) {
+ $newOptions = $defaultOptions;
+ } else {
+ if ( $context === null ) {
+ $context = RequestContext::getMain();
+ }
+
+ $optionKinds = $this->getOptionKinds( $context );
+ $resetKinds = array_intersect( $resetKinds, self::listOptionKinds() );
+ $newOptions = [];
+
+ // Use default values for the options that should be deleted, and
+ // copy old values for the ones that shouldn't.
+ foreach ( $this->mOptions as $key => $value ) {
+ if ( in_array( $optionKinds[$key], $resetKinds ) ) {
+ if ( array_key_exists( $key, $defaultOptions ) ) {
+ $newOptions[$key] = $defaultOptions[$key];
+ }
+ } else {
+ $newOptions[$key] = $value;
+ }
+ }
+ }
+
+ Hooks::run( 'UserResetAllOptions', [ $this, &$newOptions, $this->mOptions, $resetKinds ] );
+
+ $this->mOptions = $newOptions;
+ $this->mOptionsLoaded = true;
+ }
+
+ /**
+ * Get the user's preferred date format.
+ * @return string User's preferred date format
+ */
+ public function getDatePreference() {
+ // Important migration for old data rows
+ if ( is_null( $this->mDatePreference ) ) {
+ global $wgLang;
+ $value = $this->getOption( 'date' );
+ $map = $wgLang->getDatePreferenceMigrationMap();
+ if ( isset( $map[$value] ) ) {
+ $value = $map[$value];
+ }
+ $this->mDatePreference = $value;
+ }
+ return $this->mDatePreference;
+ }
+
+ /**
+ * Determine based on the wiki configuration and the user's options,
+ * whether this user must be over HTTPS no matter what.
+ *
+ * @return bool
+ */
+ public function requiresHTTPS() {
+ global $wgSecureLogin;
+ if ( !$wgSecureLogin ) {
+ return false;
+ } else {
+ $https = $this->getBoolOption( 'prefershttps' );
+ Hooks::run( 'UserRequiresHTTPS', [ $this, &$https ] );
+ if ( $https ) {
+ $https = wfCanIPUseHTTPS( $this->getRequest()->getIP() );
+ }
+ return $https;
+ }
+ }
+
+ /**
+ * Get the user preferred stub threshold
+ *
+ * @return int
+ */
+ public function getStubThreshold() {
+ global $wgMaxArticleSize; # Maximum article size, in Kb
+ $threshold = $this->getIntOption( 'stubthreshold' );
+ if ( $threshold > $wgMaxArticleSize * 1024 ) {
+ // If they have set an impossible value, disable the preference
+ // so we can use the parser cache again.
+ $threshold = 0;
+ }
+ return $threshold;
+ }
+
+ /**
+ * Get the permissions this user has.
+ * @return string[] permission names
+ */
+ public function getRights() {
+ if ( is_null( $this->mRights ) ) {
+ $this->mRights = self::getGroupPermissions( $this->getEffectiveGroups() );
+ Hooks::run( 'UserGetRights', [ $this, &$this->mRights ] );
+
+ // Deny any rights denied by the user's session, unless this
+ // endpoint has no sessions.
+ if ( !defined( 'MW_NO_SESSION' ) ) {
+ $allowedRights = $this->getRequest()->getSession()->getAllowedUserRights();
+ if ( $allowedRights !== null ) {
+ $this->mRights = array_intersect( $this->mRights, $allowedRights );
+ }
+ }
+
+ // Force reindexation of rights when a hook has unset one of them
+ $this->mRights = array_values( array_unique( $this->mRights ) );
+
+ // If block disables login, we should also remove any
+ // extra rights blocked users might have, in case the
+ // blocked user has a pre-existing session (T129738).
+ // This is checked here for cases where people only call
+ // $user->isAllowed(). It is also checked in Title::checkUserBlock()
+ // to give a better error message in the common case.
+ $config = RequestContext::getMain()->getConfig();
+ if (
+ $this->isLoggedIn() &&
+ $config->get( 'BlockDisablesLogin' ) &&
+ $this->isBlocked()
+ ) {
+ $anon = new User;
+ $this->mRights = array_intersect( $this->mRights, $anon->getRights() );
+ }
+ }
+ return $this->mRights;
+ }
+
+ /**
+ * Get the list of explicit group memberships this user has.
+ * The implicit * and user groups are not included.
+ * @return array Array of String internal group names
+ */
+ public function getGroups() {
+ $this->load();
+ $this->loadGroups();
+ return array_keys( $this->mGroupMemberships );
+ }
+
+ /**
+ * Get the list of explicit group memberships this user has, stored as
+ * UserGroupMembership objects. Implicit groups are not included.
+ *
+ * @return UserGroupMembership[] Associative array of (group name => UserGroupMembership object)
+ * @since 1.29
+ */
+ public function getGroupMemberships() {
+ $this->load();
+ $this->loadGroups();
+ return $this->mGroupMemberships;
+ }
+
+ /**
+ * Get the list of implicit group memberships this user has.
+ * This includes all explicit groups, plus 'user' if logged in,
+ * '*' for all accounts, and autopromoted groups
+ * @param bool $recache Whether to avoid the cache
+ * @return array Array of String internal group names
+ */
+ public function getEffectiveGroups( $recache = false ) {
+ if ( $recache || is_null( $this->mEffectiveGroups ) ) {
+ $this->mEffectiveGroups = array_unique( array_merge(
+ $this->getGroups(), // explicit groups
+ $this->getAutomaticGroups( $recache ) // implicit groups
+ ) );
+ // Avoid PHP 7.1 warning of passing $this by reference
+ $user = $this;
+ // Hook for additional groups
+ Hooks::run( 'UserEffectiveGroups', [ &$user, &$this->mEffectiveGroups ] );
+ // Force reindexation of groups when a hook has unset one of them
+ $this->mEffectiveGroups = array_values( array_unique( $this->mEffectiveGroups ) );
+ }
+ return $this->mEffectiveGroups;
+ }
+
+ /**
+ * Get the list of implicit group memberships this user has.
+ * This includes 'user' if logged in, '*' for all accounts,
+ * and autopromoted groups
+ * @param bool $recache Whether to avoid the cache
+ * @return array Array of String internal group names
+ */
+ public function getAutomaticGroups( $recache = false ) {
+ if ( $recache || is_null( $this->mImplicitGroups ) ) {
+ $this->mImplicitGroups = [ '*' ];
+ if ( $this->getId() ) {
+ $this->mImplicitGroups[] = 'user';
+
+ $this->mImplicitGroups = array_unique( array_merge(
+ $this->mImplicitGroups,
+ Autopromote::getAutopromoteGroups( $this )
+ ) );
+ }
+ if ( $recache ) {
+ // Assure data consistency with rights/groups,
+ // as getEffectiveGroups() depends on this function
+ $this->mEffectiveGroups = null;
+ }
+ }
+ return $this->mImplicitGroups;
+ }
+
+ /**
+ * Returns the groups the user has belonged to.
+ *
+ * The user may still belong to the returned groups. Compare with getGroups().
+ *
+ * The function will not return groups the user had belonged to before MW 1.17
+ *
+ * @return array Names of the groups the user has belonged to.
+ */
+ public function getFormerGroups() {
+ $this->load();
+
+ if ( is_null( $this->mFormerGroups ) ) {
+ $db = ( $this->queryFlagsUsed & self::READ_LATEST )
+ ? wfGetDB( DB_MASTER )
+ : wfGetDB( DB_REPLICA );
+ $res = $db->select( 'user_former_groups',
+ [ 'ufg_group' ],
+ [ 'ufg_user' => $this->mId ],
+ __METHOD__ );
+ $this->mFormerGroups = [];
+ foreach ( $res as $row ) {
+ $this->mFormerGroups[] = $row->ufg_group;
+ }
+ }
+
+ return $this->mFormerGroups;
+ }
+
+ /**
+ * Get the user's edit count.
+ * @return int|null Null for anonymous users
+ */
+ public function getEditCount() {
+ if ( !$this->getId() ) {
+ return null;
+ }
+
+ if ( $this->mEditCount === null ) {
+ /* Populate the count, if it has not been populated yet */
+ $dbr = wfGetDB( DB_REPLICA );
+ // check if the user_editcount field has been initialized
+ $count = $dbr->selectField(
+ 'user', 'user_editcount',
+ [ 'user_id' => $this->mId ],
+ __METHOD__
+ );
+
+ if ( $count === null ) {
+ // it has not been initialized. do so.
+ $count = $this->initEditCount();
+ }
+ $this->mEditCount = $count;
+ }
+ return (int)$this->mEditCount;
+ }
+
+ /**
+ * Add the user to the given group. This takes immediate effect.
+ * If the user is already in the group, the expiry time will be updated to the new
+ * expiry time. (If $expiry is omitted or null, the membership will be altered to
+ * never expire.)
+ *
+ * @param string $group Name of the group to add
+ * @param string $expiry Optional expiry timestamp in any format acceptable to
+ * wfTimestamp(), or null if the group assignment should not expire
+ * @return bool
+ */
+ public function addGroup( $group, $expiry = null ) {
+ $this->load();
+ $this->loadGroups();
+
+ if ( $expiry ) {
+ $expiry = wfTimestamp( TS_MW, $expiry );
+ }
+
+ if ( !Hooks::run( 'UserAddGroup', [ $this, &$group, &$expiry ] ) ) {
+ return false;
+ }
+
+ // create the new UserGroupMembership and put it in the DB
+ $ugm = new UserGroupMembership( $this->mId, $group, $expiry );
+ if ( !$ugm->insert( true ) ) {
+ return false;
+ }
+
+ $this->mGroupMemberships[$group] = $ugm;
+
+ // Refresh the groups caches, and clear the rights cache so it will be
+ // refreshed on the next call to $this->getRights().
+ $this->getEffectiveGroups( true );
+ $this->mRights = null;
+
+ $this->invalidateCache();
+
+ return true;
+ }
+
+ /**
+ * Remove the user from the given group.
+ * This takes immediate effect.
+ * @param string $group Name of the group to remove
+ * @return bool
+ */
+ public function removeGroup( $group ) {
+ $this->load();
+
+ if ( !Hooks::run( 'UserRemoveGroup', [ $this, &$group ] ) ) {
+ return false;
+ }
+
+ $ugm = UserGroupMembership::getMembership( $this->mId, $group );
+ // delete the membership entry
+ if ( !$ugm || !$ugm->delete() ) {
+ return false;
+ }
+
+ $this->loadGroups();
+ unset( $this->mGroupMemberships[$group] );
+
+ // Refresh the groups caches, and clear the rights cache so it will be
+ // refreshed on the next call to $this->getRights().
+ $this->getEffectiveGroups( true );
+ $this->mRights = null;
+
+ $this->invalidateCache();
+
+ return true;
+ }
+
+ /**
+ * Get whether the user is logged in
+ * @return bool
+ */
+ public function isLoggedIn() {
+ return $this->getId() != 0;
+ }
+
+ /**
+ * Get whether the user is anonymous
+ * @return bool
+ */
+ public function isAnon() {
+ return !$this->isLoggedIn();
+ }
+
+ /**
+ * @return bool Whether this user is flagged as being a bot role account
+ * @since 1.28
+ */
+ public function isBot() {
+ if ( in_array( 'bot', $this->getGroups() ) && $this->isAllowed( 'bot' ) ) {
+ return true;
+ }
+
+ $isBot = false;
+ Hooks::run( "UserIsBot", [ $this, &$isBot ] );
+
+ return $isBot;
+ }
+
+ /**
+ * Check if user is allowed to access a feature / make an action
+ *
+ * @param string $permissions,... Permissions to test
+ * @return bool True if user is allowed to perform *any* of the given actions
+ */
+ public function isAllowedAny() {
+ $permissions = func_get_args();
+ foreach ( $permissions as $permission ) {
+ if ( $this->isAllowed( $permission ) ) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ *
+ * @param string $permissions,... Permissions to test
+ * @return bool True if the user is allowed to perform *all* of the given actions
+ */
+ public function isAllowedAll() {
+ $permissions = func_get_args();
+ foreach ( $permissions as $permission ) {
+ if ( !$this->isAllowed( $permission ) ) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ /**
+ * Internal mechanics of testing a permission
+ * @param string $action
+ * @return bool
+ */
+ public function isAllowed( $action = '' ) {
+ if ( $action === '' ) {
+ return true; // In the spirit of DWIM
+ }
+ // Use strict parameter to avoid matching numeric 0 accidentally inserted
+ // by misconfiguration: 0 == 'foo'
+ return in_array( $action, $this->getRights(), true );
+ }
+
+ /**
+ * Check whether to enable recent changes patrol features for this user
+ * @return bool True or false
+ */
+ public function useRCPatrol() {
+ global $wgUseRCPatrol;
+ return $wgUseRCPatrol && $this->isAllowedAny( 'patrol', 'patrolmarks' );
+ }
+
+ /**
+ * Check whether to enable new pages patrol features for this user
+ * @return bool True or false
+ */
+ public function useNPPatrol() {
+ global $wgUseRCPatrol, $wgUseNPPatrol;
+ return (
+ ( $wgUseRCPatrol || $wgUseNPPatrol )
+ && ( $this->isAllowedAny( 'patrol', 'patrolmarks' ) )
+ );
+ }
+
+ /**
+ * Check whether to enable new files patrol features for this user
+ * @return bool True or false
+ */
+ public function useFilePatrol() {
+ global $wgUseRCPatrol, $wgUseFilePatrol;
+ return (
+ ( $wgUseRCPatrol || $wgUseFilePatrol )
+ && ( $this->isAllowedAny( 'patrol', 'patrolmarks' ) )
+ );
+ }
+
+ /**
+ * Get the WebRequest object to use with this object
+ *
+ * @return WebRequest
+ */
+ public function getRequest() {
+ if ( $this->mRequest ) {
+ return $this->mRequest;
+ } else {
+ global $wgRequest;
+ return $wgRequest;
+ }
+ }
+
+ /**
+ * Check the watched status of an article.
+ * @since 1.22 $checkRights parameter added
+ * @param Title $title Title of the article to look at
+ * @param bool $checkRights Whether to check 'viewmywatchlist'/'editmywatchlist' rights.
+ * Pass User::CHECK_USER_RIGHTS or User::IGNORE_USER_RIGHTS.
+ * @return bool
+ */
+ public function isWatched( $title, $checkRights = self::CHECK_USER_RIGHTS ) {
+ if ( $title->isWatchable() && ( !$checkRights || $this->isAllowed( 'viewmywatchlist' ) ) ) {
+ return MediaWikiServices::getInstance()->getWatchedItemStore()->isWatched( $this, $title );
+ }
+ return false;
+ }
+
+ /**
+ * Watch an article.
+ * @since 1.22 $checkRights parameter added
+ * @param Title $title Title of the article to look at
+ * @param bool $checkRights Whether to check 'viewmywatchlist'/'editmywatchlist' rights.
+ * Pass User::CHECK_USER_RIGHTS or User::IGNORE_USER_RIGHTS.
+ */
+ public function addWatch( $title, $checkRights = self::CHECK_USER_RIGHTS ) {
+ if ( !$checkRights || $this->isAllowed( 'editmywatchlist' ) ) {
+ MediaWikiServices::getInstance()->getWatchedItemStore()->addWatchBatchForUser(
+ $this,
+ [ $title->getSubjectPage(), $title->getTalkPage() ]
+ );
+ }
+ $this->invalidateCache();
+ }
+
+ /**
+ * Stop watching an article.
+ * @since 1.22 $checkRights parameter added
+ * @param Title $title Title of the article to look at
+ * @param bool $checkRights Whether to check 'viewmywatchlist'/'editmywatchlist' rights.
+ * Pass User::CHECK_USER_RIGHTS or User::IGNORE_USER_RIGHTS.
+ */
+ public function removeWatch( $title, $checkRights = self::CHECK_USER_RIGHTS ) {
+ if ( !$checkRights || $this->isAllowed( 'editmywatchlist' ) ) {
+ $store = MediaWikiServices::getInstance()->getWatchedItemStore();
+ $store->removeWatch( $this, $title->getSubjectPage() );
+ $store->removeWatch( $this, $title->getTalkPage() );
+ }
+ $this->invalidateCache();
+ }
+
+ /**
+ * Clear the user's notification timestamp for the given title.
+ * If e-notif e-mails are on, they will receive notification mails on
+ * the next change of the page if it's watched etc.
+ * @note If the user doesn't have 'editmywatchlist', this will do nothing.
+ * @param Title &$title Title of the article to look at
+ * @param int $oldid The revision id being viewed. If not given or 0, latest revision is assumed.
+ */
+ public function clearNotification( &$title, $oldid = 0 ) {
+ global $wgUseEnotif, $wgShowUpdatedMarker;
+
+ // Do nothing if the database is locked to writes
+ if ( wfReadOnly() ) {
+ return;
+ }
+
+ // Do nothing if not allowed to edit the watchlist
+ if ( !$this->isAllowed( 'editmywatchlist' ) ) {
+ return;
+ }
+
+ // If we're working on user's talk page, we should update the talk page message indicator
+ if ( $title->getNamespace() == NS_USER_TALK && $title->getText() == $this->getName() ) {
+ // Avoid PHP 7.1 warning of passing $this by reference
+ $user = $this;
+ if ( !Hooks::run( 'UserClearNewTalkNotification', [ &$user, $oldid ] ) ) {
+ return;
+ }
+
+ // Try to update the DB post-send and only if needed...
+ DeferredUpdates::addCallableUpdate( function () use ( $title, $oldid ) {
+ if ( !$this->getNewtalk() ) {
+ return; // no notifications to clear
+ }
+
+ // Delete the last notifications (they stack up)
+ $this->setNewtalk( false );
+
+ // If there is a new, unseen, revision, use its timestamp
+ $nextid = $oldid
+ ? $title->getNextRevisionID( $oldid, Title::GAID_FOR_UPDATE )
+ : null;
+ if ( $nextid ) {
+ $this->setNewtalk( true, Revision::newFromId( $nextid ) );
+ }
+ } );
+ }
+
+ if ( !$wgUseEnotif && !$wgShowUpdatedMarker ) {
+ return;
+ }
+
+ if ( $this->isAnon() ) {
+ // Nothing else to do...
+ return;
+ }
+
+ // Only update the timestamp if the page is being watched.
+ // The query to find out if it is watched is cached both in memcached and per-invocation,
+ // and when it does have to be executed, it can be on a replica DB
+ // If this is the user's newtalk page, we always update the timestamp
+ $force = '';
+ if ( $title->getNamespace() == NS_USER_TALK && $title->getText() == $this->getName() ) {
+ $force = 'force';
+ }
+
+ MediaWikiServices::getInstance()->getWatchedItemStore()
+ ->resetNotificationTimestamp( $this, $title, $force, $oldid );
+ }
+
+ /**
+ * Resets all of the given user's page-change notification timestamps.
+ * If e-notif e-mails are on, they will receive notification mails on
+ * the next change of any watched page.
+ * @note If the user doesn't have 'editmywatchlist', this will do nothing.
+ */
+ public function clearAllNotifications() {
+ global $wgUseEnotif, $wgShowUpdatedMarker;
+ // Do nothing if not allowed to edit the watchlist
+ if ( wfReadOnly() || !$this->isAllowed( 'editmywatchlist' ) ) {
+ return;
+ }
+
+ if ( !$wgUseEnotif && !$wgShowUpdatedMarker ) {
+ $this->setNewtalk( false );
+ return;
+ }
+
+ $id = $this->getId();
+ if ( !$id ) {
+ return;
+ }
+
+ $watchedItemStore = MediaWikiServices::getInstance()->getWatchedItemStore();
+ $watchedItemStore->resetAllNotificationTimestampsForUser( $this );
+
+ // We also need to clear here the "you have new message" notification for the own
+ // user_talk page; it's cleared one page view later in WikiPage::doViewUpdates().
+ }
+
+ /**
+ * Compute experienced level based on edit count and registration date.
+ *
+ * @return string 'newcomer', 'learner', or 'experienced'
+ */
+ public function getExperienceLevel() {
+ global $wgLearnerEdits,
+ $wgExperiencedUserEdits,
+ $wgLearnerMemberSince,
+ $wgExperiencedUserMemberSince;
+
+ if ( $this->isAnon() ) {
+ return false;
+ }
+
+ $editCount = $this->getEditCount();
+ $registration = $this->getRegistration();
+ $now = time();
+ $learnerRegistration = wfTimestamp( TS_MW, $now - $wgLearnerMemberSince * 86400 );
+ $experiencedRegistration = wfTimestamp( TS_MW, $now - $wgExperiencedUserMemberSince * 86400 );
+
+ if (
+ $editCount < $wgLearnerEdits ||
+ $registration > $learnerRegistration
+ ) {
+ return 'newcomer';
+ } elseif (
+ $editCount > $wgExperiencedUserEdits &&
+ $registration <= $experiencedRegistration
+ ) {
+ return 'experienced';
+ } else {
+ return 'learner';
+ }
+ }
+
+ /**
+ * Persist this user's session (e.g. set cookies)
+ *
+ * @param WebRequest|null $request WebRequest object to use; $wgRequest will be used if null
+ * is passed.
+ * @param bool $secure Whether to force secure/insecure cookies or use default
+ * @param bool $rememberMe Whether to add a Token cookie for elongated sessions
+ */
+ public function setCookies( $request = null, $secure = null, $rememberMe = false ) {
+ $this->load();
+ if ( 0 == $this->mId ) {
+ return;
+ }
+
+ $session = $this->getRequest()->getSession();
+ if ( $request && $session->getRequest() !== $request ) {
+ $session = $session->sessionWithRequest( $request );
+ }
+ $delay = $session->delaySave();
+
+ if ( !$session->getUser()->equals( $this ) ) {
+ if ( !$session->canSetUser() ) {
+ \MediaWiki\Logger\LoggerFactory::getInstance( 'session' )
+ ->warning( __METHOD__ .
+ ": Cannot save user \"$this\" to a user \"{$session->getUser()}\"'s immutable session"
+ );
+ return;
+ }
+ $session->setUser( $this );
+ }
+
+ $session->setRememberUser( $rememberMe );
+ if ( $secure !== null ) {
+ $session->setForceHTTPS( $secure );
+ }
+
+ $session->persist();
+
+ ScopedCallback::consume( $delay );
+ }
+
+ /**
+ * Log this user out.
+ */
+ public function logout() {
+ // Avoid PHP 7.1 warning of passing $this by reference
+ $user = $this;
+ if ( Hooks::run( 'UserLogout', [ &$user ] ) ) {
+ $this->doLogout();
+ }
+ }
+
+ /**
+ * Clear the user's session, and reset the instance cache.
+ * @see logout()
+ */
+ public function doLogout() {
+ $session = $this->getRequest()->getSession();
+ if ( !$session->canSetUser() ) {
+ \MediaWiki\Logger\LoggerFactory::getInstance( 'session' )
+ ->warning( __METHOD__ . ": Cannot log out of an immutable session" );
+ $error = 'immutable';
+ } elseif ( !$session->getUser()->equals( $this ) ) {
+ \MediaWiki\Logger\LoggerFactory::getInstance( 'session' )
+ ->warning( __METHOD__ .
+ ": Cannot log user \"$this\" out of a user \"{$session->getUser()}\"'s session"
+ );
+ // But we still may as well make this user object anon
+ $this->clearInstanceCache( 'defaults' );
+ $error = 'wronguser';
+ } else {
+ $this->clearInstanceCache( 'defaults' );
+ $delay = $session->delaySave();
+ $session->unpersist(); // Clear cookies (T127436)
+ $session->setLoggedOutTimestamp( time() );
+ $session->setUser( new User );
+ $session->set( 'wsUserID', 0 ); // Other code expects this
+ $session->resetAllTokens();
+ ScopedCallback::consume( $delay );
+ $error = false;
+ }
+ \MediaWiki\Logger\LoggerFactory::getInstance( 'authevents' )->info( 'Logout', [
+ 'event' => 'logout',
+ 'successful' => $error === false,
+ 'status' => $error ?: 'success',
+ ] );
+ }
+
+ /**
+ * Save this user's settings into the database.
+ * @todo Only rarely do all these fields need to be set!
+ */
+ public function saveSettings() {
+ if ( wfReadOnly() ) {
+ // @TODO: caller should deal with this instead!
+ // This should really just be an exception.
+ MWExceptionHandler::logException( new DBExpectedError(
+ null,
+ "Could not update user with ID '{$this->mId}'; DB is read-only."
+ ) );
+ return;
+ }
+
+ $this->load();
+ if ( 0 == $this->mId ) {
+ return; // anon
+ }
+
+ // Get a new user_touched that is higher than the old one.
+ // This will be used for a CAS check as a last-resort safety
+ // check against race conditions and replica DB lag.
+ $newTouched = $this->newTouchedTimestamp();
+
+ $dbw = wfGetDB( DB_MASTER );
+ $dbw->doAtomicSection( __METHOD__, function ( $dbw, $fname ) use ( $newTouched ) {
+ global $wgActorTableSchemaMigrationStage;
+
+ $dbw->update( 'user',
+ [ /* SET */
+ 'user_name' => $this->mName,
+ 'user_real_name' => $this->mRealName,
+ 'user_email' => $this->mEmail,
+ 'user_email_authenticated' => $dbw->timestampOrNull( $this->mEmailAuthenticated ),
+ 'user_touched' => $dbw->timestamp( $newTouched ),
+ 'user_token' => strval( $this->mToken ),
+ 'user_email_token' => $this->mEmailToken,
+ 'user_email_token_expires' => $dbw->timestampOrNull( $this->mEmailTokenExpires ),
+ ], $this->makeUpdateConditions( $dbw, [ /* WHERE */
+ 'user_id' => $this->mId,
+ ] ), $fname
+ );
+
+ if ( !$dbw->affectedRows() ) {
+ // Maybe the problem was a missed cache update; clear it to be safe
+ $this->clearSharedCache( 'refresh' );
+ // User was changed in the meantime or loaded with stale data
+ $from = ( $this->queryFlagsUsed & self::READ_LATEST ) ? 'master' : 'replica';
+ throw new MWException(
+ "CAS update failed on user_touched for user ID '{$this->mId}' (read from $from);" .
+ " the version of the user to be saved is older than the current version."
+ );
+ }
+
+ if ( $wgActorTableSchemaMigrationStage > MIGRATION_OLD ) {
+ $dbw->update(
+ 'actor',
+ [ 'actor_name' => $this->mName ],
+ [ 'actor_user' => $this->mId ],
+ $fname
+ );
+ }
+ } );
+
+ $this->mTouched = $newTouched;
+ $this->saveOptions();
+
+ Hooks::run( 'UserSaveSettings', [ $this ] );
+ $this->clearSharedCache();
+ $this->getUserPage()->invalidateCache();
+ }
+
+ /**
+ * If only this user's username is known, and it exists, return the user ID.
+ *
+ * @param int $flags Bitfield of User:READ_* constants; useful for existence checks
+ * @return int
+ */
+ public function idForName( $flags = 0 ) {
+ $s = trim( $this->getName() );
+ if ( $s === '' ) {
+ return 0;
+ }
+
+ $db = ( ( $flags & self::READ_LATEST ) == self::READ_LATEST )
+ ? wfGetDB( DB_MASTER )
+ : wfGetDB( DB_REPLICA );
+
+ $options = ( ( $flags & self::READ_LOCKING ) == self::READ_LOCKING )
+ ? [ 'LOCK IN SHARE MODE' ]
+ : [];
+
+ $id = $db->selectField( 'user',
+ 'user_id', [ 'user_name' => $s ], __METHOD__, $options );
+
+ return (int)$id;
+ }
+
+ /**
+ * Add a user to the database, return the user object
+ *
+ * @param string $name Username to add
+ * @param array $params Array of Strings Non-default parameters to save to
+ * the database as user_* fields:
+ * - email: The user's email address.
+ * - email_authenticated: The email authentication timestamp.
+ * - real_name: The user's real name.
+ * - options: An associative array of non-default options.
+ * - token: Random authentication token. Do not set.
+ * - registration: Registration timestamp. Do not set.
+ *
+ * @return User|null User object, or null if the username already exists.
+ */
+ public static function createNew( $name, $params = [] ) {
+ foreach ( [ 'password', 'newpassword', 'newpass_time', 'password_expires' ] as $field ) {
+ if ( isset( $params[$field] ) ) {
+ wfDeprecated( __METHOD__ . " with param '$field'", '1.27' );
+ unset( $params[$field] );
+ }
+ }
+
+ $user = new User;
+ $user->load();
+ $user->setToken(); // init token
+ if ( isset( $params['options'] ) ) {
+ $user->mOptions = $params['options'] + (array)$user->mOptions;
+ unset( $params['options'] );
+ }
+ $dbw = wfGetDB( DB_MASTER );
+
+ $noPass = PasswordFactory::newInvalidPassword()->toString();
+
+ $fields = [
+ 'user_name' => $name,
+ 'user_password' => $noPass,
+ 'user_newpassword' => $noPass,
+ 'user_email' => $user->mEmail,
+ 'user_email_authenticated' => $dbw->timestampOrNull( $user->mEmailAuthenticated ),
+ 'user_real_name' => $user->mRealName,
+ 'user_token' => strval( $user->mToken ),
+ 'user_registration' => $dbw->timestamp( $user->mRegistration ),
+ 'user_editcount' => 0,
+ 'user_touched' => $dbw->timestamp( $user->newTouchedTimestamp() ),
+ ];
+ foreach ( $params as $name => $value ) {
+ $fields["user_$name"] = $value;
+ }
+
+ return $dbw->doAtomicSection( __METHOD__, function ( $dbw, $fname ) use ( $fields ) {
+ $dbw->insert( 'user', $fields, $fname, [ 'IGNORE' ] );
+ if ( $dbw->affectedRows() ) {
+ $newUser = self::newFromId( $dbw->insertId() );
+ // Load the user from master to avoid replica lag
+ $newUser->load( self::READ_LATEST );
+ $newUser->updateActorId( $dbw );
+ } else {
+ $newUser = null;
+ }
+ return $newUser;
+ } );
+ }
+
+ /**
+ * Add this existing user object to the database. If the user already
+ * exists, a fatal status object is returned, and the user object is
+ * initialised with the data from the database.
+ *
+ * Previously, this function generated a DB error due to a key conflict
+ * if the user already existed. Many extension callers use this function
+ * in code along the lines of:
+ *
+ * $user = User::newFromName( $name );
+ * if ( !$user->isLoggedIn() ) {
+ * $user->addToDatabase();
+ * }
+ * // do something with $user...
+ *
+ * However, this was vulnerable to a race condition (T18020). By
+ * initialising the user object if the user exists, we aim to support this
+ * calling sequence as far as possible.
+ *
+ * Note that if the user exists, this function will acquire a write lock,
+ * so it is still advisable to make the call conditional on isLoggedIn(),
+ * and to commit the transaction after calling.
+ *
+ * @throws MWException
+ * @return Status
+ */
+ public function addToDatabase() {
+ $this->load();
+ if ( !$this->mToken ) {
+ $this->setToken(); // init token
+ }
+
+ if ( !is_string( $this->mName ) ) {
+ throw new RuntimeException( "User name field is not set." );
+ }
+
+ $this->mTouched = $this->newTouchedTimestamp();
+
+ $dbw = wfGetDB( DB_MASTER );
+ $status = $dbw->doAtomicSection( __METHOD__, function ( $dbw, $fname ) {
+ $noPass = PasswordFactory::newInvalidPassword()->toString();
+ $dbw->insert( 'user',
+ [
+ 'user_name' => $this->mName,
+ 'user_password' => $noPass,
+ 'user_newpassword' => $noPass,
+ 'user_email' => $this->mEmail,
+ 'user_email_authenticated' => $dbw->timestampOrNull( $this->mEmailAuthenticated ),
+ 'user_real_name' => $this->mRealName,
+ 'user_token' => strval( $this->mToken ),
+ 'user_registration' => $dbw->timestamp( $this->mRegistration ),
+ 'user_editcount' => 0,
+ 'user_touched' => $dbw->timestamp( $this->mTouched ),
+ ], $fname,
+ [ 'IGNORE' ]
+ );
+ if ( !$dbw->affectedRows() ) {
+ // Use locking reads to bypass any REPEATABLE-READ snapshot.
+ $this->mId = $dbw->selectField(
+ 'user',
+ 'user_id',
+ [ 'user_name' => $this->mName ],
+ __METHOD__,
+ [ 'LOCK IN SHARE MODE' ]
+ );
+ $loaded = false;
+ if ( $this->mId ) {
+ if ( $this->loadFromDatabase( self::READ_LOCKING ) ) {
+ $loaded = true;
+ }
+ }
+ if ( !$loaded ) {
+ throw new MWException( __METHOD__ . ": hit a key conflict attempting " .
+ "to insert user '{$this->mName}' row, but it was not present in select!" );
+ }
+ return Status::newFatal( 'userexists' );
+ }
+ $this->mId = $dbw->insertId();
+ self::$idCacheByName[$this->mName] = $this->mId;
+ $this->updateActorId( $dbw );
+
+ return Status::newGood();
+ } );
+ if ( !$status->isGood() ) {
+ return $status;
+ }
+
+ // Clear instance cache other than user table data and actor, which is already accurate
+ $this->clearInstanceCache();
+
+ $this->saveOptions();
+ return Status::newGood();
+ }
+
+ /**
+ * Update the actor ID after an insert
+ * @param IDatabase $dbw Writable database handle
+ */
+ private function updateActorId( IDatabase $dbw ) {
+ global $wgActorTableSchemaMigrationStage;
+
+ if ( $wgActorTableSchemaMigrationStage > MIGRATION_OLD ) {
+ $dbw->insert(
+ 'actor',
+ [ 'actor_user' => $this->mId, 'actor_name' => $this->mName ],
+ __METHOD__
+ );
+ $this->mActorId = (int)$dbw->insertId();
+ }
+ }
+
+ /**
+ * If this user is logged-in and blocked,
+ * block any IP address they've successfully logged in from.
+ * @return bool A block was spread
+ */
+ public function spreadAnyEditBlock() {
+ if ( $this->isLoggedIn() && $this->isBlocked() ) {
+ return $this->spreadBlock();
+ }
+
+ return false;
+ }
+
+ /**
+ * If this (non-anonymous) user is blocked,
+ * block the IP address they've successfully logged in from.
+ * @return bool A block was spread
+ */
+ protected function spreadBlock() {
+ wfDebug( __METHOD__ . "()\n" );
+ $this->load();
+ if ( $this->mId == 0 ) {
+ return false;
+ }
+
+ $userblock = Block::newFromTarget( $this->getName() );
+ if ( !$userblock ) {
+ return false;
+ }
+
+ return (bool)$userblock->doAutoblock( $this->getRequest()->getIP() );
+ }
+
+ /**
+ * Get whether the user is explicitly blocked from account creation.
+ * @return bool|Block
+ */
+ public function isBlockedFromCreateAccount() {
+ $this->getBlockedStatus();
+ if ( $this->mBlock && $this->mBlock->prevents( 'createaccount' ) ) {
+ return $this->mBlock;
+ }
+
+ # T15611: if the IP address the user is trying to create an account from is
+ # blocked with createaccount disabled, prevent new account creation there even
+ # when the user is logged in
+ if ( $this->mBlockedFromCreateAccount === false && !$this->isAllowed( 'ipblock-exempt' ) ) {
+ $this->mBlockedFromCreateAccount = Block::newFromTarget( null, $this->getRequest()->getIP() );
+ }
+ return $this->mBlockedFromCreateAccount instanceof Block
+ && $this->mBlockedFromCreateAccount->prevents( 'createaccount' )
+ ? $this->mBlockedFromCreateAccount
+ : false;
+ }
+
+ /**
+ * Get whether the user is blocked from using Special:Emailuser.
+ * @return bool
+ */
+ public function isBlockedFromEmailuser() {
+ $this->getBlockedStatus();
+ return $this->mBlock && $this->mBlock->prevents( 'sendemail' );
+ }
+
+ /**
+ * Get whether the user is allowed to create an account.
+ * @return bool
+ */
+ public function isAllowedToCreateAccount() {
+ return $this->isAllowed( 'createaccount' ) && !$this->isBlockedFromCreateAccount();
+ }
+
+ /**
+ * Get this user's personal page title.
+ *
+ * @return Title User's personal page title
+ */
+ public function getUserPage() {
+ return Title::makeTitle( NS_USER, $this->getName() );
+ }
+
+ /**
+ * Get this user's talk page title.
+ *
+ * @return Title User's talk page title
+ */
+ public function getTalkPage() {
+ $title = $this->getUserPage();
+ return $title->getTalkPage();
+ }
+
+ /**
+ * Determine whether the user is a newbie. Newbies are either
+ * anonymous IPs, or the most recently created accounts.
+ * @return bool
+ */
+ public function isNewbie() {
+ return !$this->isAllowed( 'autoconfirmed' );
+ }
+
+ /**
+ * Check to see if the given clear-text password is one of the accepted passwords
+ * @deprecated since 1.27, use AuthManager instead
+ * @param string $password User password
+ * @return bool True if the given password is correct, otherwise False
+ */
+ public function checkPassword( $password ) {
+ $manager = AuthManager::singleton();
+ $reqs = AuthenticationRequest::loadRequestsFromSubmission(
+ $manager->getAuthenticationRequests( AuthManager::ACTION_LOGIN ),
+ [
+ 'username' => $this->getName(),
+ 'password' => $password,
+ ]
+ );
+ $res = AuthManager::singleton()->beginAuthentication( $reqs, 'null:' );
+ switch ( $res->status ) {
+ case AuthenticationResponse::PASS:
+ return true;
+ case AuthenticationResponse::FAIL:
+ // Hope it's not a PreAuthenticationProvider that failed...
+ \MediaWiki\Logger\LoggerFactory::getInstance( 'authentication' )
+ ->info( __METHOD__ . ': Authentication failed: ' . $res->message->plain() );
+ return false;
+ default:
+ throw new BadMethodCallException(
+ 'AuthManager returned a response unsupported by ' . __METHOD__
+ );
+ }
+ }
+
+ /**
+ * Check if the given clear-text password matches the temporary password
+ * sent by e-mail for password reset operations.
+ *
+ * @deprecated since 1.27, use AuthManager instead
+ * @param string $plaintext
+ * @return bool True if matches, false otherwise
+ */
+ public function checkTemporaryPassword( $plaintext ) {
+ // Can't check the temporary password individually.
+ return $this->checkPassword( $plaintext );
+ }
+
+ /**
+ * Initialize (if necessary) and return a session token value
+ * which can be used in edit forms to show that the user's
+ * login credentials aren't being hijacked with a foreign form
+ * submission.
+ *
+ * @since 1.27
+ * @param string|array $salt Array of Strings Optional function-specific data for hashing
+ * @param WebRequest|null $request WebRequest object to use or null to use $wgRequest
+ * @return MediaWiki\Session\Token The new edit token
+ */
+ public function getEditTokenObject( $salt = '', $request = null ) {
+ if ( $this->isAnon() ) {
+ return new LoggedOutEditToken();
+ }
+
+ if ( !$request ) {
+ $request = $this->getRequest();
+ }
+ return $request->getSession()->getToken( $salt );
+ }
+
+ /**
+ * Initialize (if necessary) and return a session token value
+ * which can be used in edit forms to show that the user's
+ * login credentials aren't being hijacked with a foreign form
+ * submission.
+ *
+ * The $salt for 'edit' and 'csrf' tokens is the default (empty string).
+ *
+ * @since 1.19
+ * @param string|array $salt Array of Strings Optional function-specific data for hashing
+ * @param WebRequest|null $request WebRequest object to use or null to use $wgRequest
+ * @return string The new edit token
+ */
+ public function getEditToken( $salt = '', $request = null ) {
+ return $this->getEditTokenObject( $salt, $request )->toString();
+ }
+
+ /**
+ * Check given value against the token value stored in the session.
+ * A match should confirm that the form was submitted from the
+ * user's own login session, not a form submission from a third-party
+ * site.
+ *
+ * @param string $val Input value to compare
+ * @param string $salt Optional function-specific data for hashing
+ * @param WebRequest|null $request Object to use or null to use $wgRequest
+ * @param int $maxage Fail tokens older than this, in seconds
+ * @return bool Whether the token matches
+ */
+ public function matchEditToken( $val, $salt = '', $request = null, $maxage = null ) {
+ return $this->getEditTokenObject( $salt, $request )->match( $val, $maxage );
+ }
+
+ /**
+ * Check given value against the token value stored in the session,
+ * ignoring the suffix.
+ *
+ * @param string $val Input value to compare
+ * @param string $salt Optional function-specific data for hashing
+ * @param WebRequest|null $request Object to use or null to use $wgRequest
+ * @param int $maxage Fail tokens older than this, in seconds
+ * @return bool Whether the token matches
+ */
+ public function matchEditTokenNoSuffix( $val, $salt = '', $request = null, $maxage = null ) {
+ $val = substr( $val, 0, strspn( $val, '0123456789abcdef' ) ) . Token::SUFFIX;
+ return $this->matchEditToken( $val, $salt, $request, $maxage );
+ }
+
+ /**
+ * Generate a new e-mail confirmation token and send a confirmation/invalidation
+ * mail to the user's given address.
+ *
+ * @param string $type Message to send, either "created", "changed" or "set"
+ * @return Status
+ */
+ public function sendConfirmationMail( $type = 'created' ) {
+ global $wgLang;
+ $expiration = null; // gets passed-by-ref and defined in next line.
+ $token = $this->confirmationToken( $expiration );
+ $url = $this->confirmationTokenUrl( $token );
+ $invalidateURL = $this->invalidationTokenUrl( $token );
+ $this->saveSettings();
+
+ if ( $type == 'created' || $type === false ) {
+ $message = 'confirmemail_body';
+ } elseif ( $type === true ) {
+ $message = 'confirmemail_body_changed';
+ } else {
+ // Messages: confirmemail_body_changed, confirmemail_body_set
+ $message = 'confirmemail_body_' . $type;
+ }
+
+ return $this->sendMail( wfMessage( 'confirmemail_subject' )->text(),
+ wfMessage( $message,
+ $this->getRequest()->getIP(),
+ $this->getName(),
+ $url,
+ $wgLang->userTimeAndDate( $expiration, $this ),
+ $invalidateURL,
+ $wgLang->userDate( $expiration, $this ),
+ $wgLang->userTime( $expiration, $this ) )->text() );
+ }
+
+ /**
+ * Send an e-mail to this user's account. Does not check for
+ * confirmed status or validity.
+ *
+ * @param string $subject Message subject
+ * @param string $body Message body
+ * @param User|null $from Optional sending user; if unspecified, default
+ * $wgPasswordSender will be used.
+ * @param string $replyto Reply-To address
+ * @return Status
+ */
+ public function sendMail( $subject, $body, $from = null, $replyto = null ) {
+ global $wgPasswordSender;
+
+ if ( $from instanceof User ) {
+ $sender = MailAddress::newFromUser( $from );
+ } else {
+ $sender = new MailAddress( $wgPasswordSender,
+ wfMessage( 'emailsender' )->inContentLanguage()->text() );
+ }
+ $to = MailAddress::newFromUser( $this );
+
+ return UserMailer::send( $to, $sender, $subject, $body, [
+ 'replyTo' => $replyto,
+ ] );
+ }
+
+ /**
+ * Generate, store, and return a new e-mail confirmation code.
+ * A hash (unsalted, since it's used as a key) is stored.
+ *
+ * @note Call saveSettings() after calling this function to commit
+ * this change to the database.
+ *
+ * @param string &$expiration Accepts the expiration time
+ * @return string New token
+ */
+ protected function confirmationToken( &$expiration ) {
+ global $wgUserEmailConfirmationTokenExpiry;
+ $now = time();
+ $expires = $now + $wgUserEmailConfirmationTokenExpiry;
+ $expiration = wfTimestamp( TS_MW, $expires );
+ $this->load();
+ $token = MWCryptRand::generateHex( 32 );
+ $hash = md5( $token );
+ $this->mEmailToken = $hash;
+ $this->mEmailTokenExpires = $expiration;
+ return $token;
+ }
+
+ /**
+ * Return a URL the user can use to confirm their email address.
+ * @param string $token Accepts the email confirmation token
+ * @return string New token URL
+ */
+ protected function confirmationTokenUrl( $token ) {
+ return $this->getTokenUrl( 'ConfirmEmail', $token );
+ }
+
+ /**
+ * Return a URL the user can use to invalidate their email address.
+ * @param string $token Accepts the email confirmation token
+ * @return string New token URL
+ */
+ protected function invalidationTokenUrl( $token ) {
+ return $this->getTokenUrl( 'InvalidateEmail', $token );
+ }
+
+ /**
+ * Internal function to format the e-mail validation/invalidation URLs.
+ * This uses a quickie hack to use the
+ * hardcoded English names of the Special: pages, for ASCII safety.
+ *
+ * @note Since these URLs get dropped directly into emails, using the
+ * short English names avoids insanely long URL-encoded links, which
+ * also sometimes can get corrupted in some browsers/mailers
+ * (T8957 with Gmail and Internet Explorer).
+ *
+ * @param string $page Special page
+ * @param string $token
+ * @return string Formatted URL
+ */
+ protected function getTokenUrl( $page, $token ) {
+ // Hack to bypass localization of 'Special:'
+ $title = Title::makeTitle( NS_MAIN, "Special:$page/$token" );
+ return $title->getCanonicalURL();
+ }
+
+ /**
+ * Mark the e-mail address confirmed.
+ *
+ * @note Call saveSettings() after calling this function to commit the change.
+ *
+ * @return bool
+ */
+ public function confirmEmail() {
+ // Check if it's already confirmed, so we don't touch the database
+ // and fire the ConfirmEmailComplete hook on redundant confirmations.
+ if ( !$this->isEmailConfirmed() ) {
+ $this->setEmailAuthenticationTimestamp( wfTimestampNow() );
+ Hooks::run( 'ConfirmEmailComplete', [ $this ] );
+ }
+ return true;
+ }
+
+ /**
+ * Invalidate the user's e-mail confirmation, and unauthenticate the e-mail
+ * address if it was already confirmed.
+ *
+ * @note Call saveSettings() after calling this function to commit the change.
+ * @return bool Returns true
+ */
+ public function invalidateEmail() {
+ $this->load();
+ $this->mEmailToken = null;
+ $this->mEmailTokenExpires = null;
+ $this->setEmailAuthenticationTimestamp( null );
+ $this->mEmail = '';
+ Hooks::run( 'InvalidateEmailComplete', [ $this ] );
+ return true;
+ }
+
+ /**
+ * Set the e-mail authentication timestamp.
+ * @param string $timestamp TS_MW timestamp
+ */
+ public function setEmailAuthenticationTimestamp( $timestamp ) {
+ $this->load();
+ $this->mEmailAuthenticated = $timestamp;
+ Hooks::run( 'UserSetEmailAuthenticationTimestamp', [ $this, &$this->mEmailAuthenticated ] );
+ }
+
+ /**
+ * Is this user allowed to send e-mails within limits of current
+ * site configuration?
+ * @return bool
+ */
+ public function canSendEmail() {
+ global $wgEnableEmail, $wgEnableUserEmail;
+ if ( !$wgEnableEmail || !$wgEnableUserEmail || !$this->isAllowed( 'sendemail' ) ) {
+ return false;
+ }
+ $canSend = $this->isEmailConfirmed();
+ // Avoid PHP 7.1 warning of passing $this by reference
+ $user = $this;
+ Hooks::run( 'UserCanSendEmail', [ &$user, &$canSend ] );
+ return $canSend;
+ }
+
+ /**
+ * Is this user allowed to receive e-mails within limits of current
+ * site configuration?
+ * @return bool
+ */
+ public function canReceiveEmail() {
+ return $this->isEmailConfirmed() && !$this->getOption( 'disablemail' );
+ }
+
+ /**
+ * Is this user's e-mail address valid-looking and confirmed within
+ * limits of the current site configuration?
+ *
+ * @note If $wgEmailAuthentication is on, this may require the user to have
+ * confirmed their address by returning a code or using a password
+ * sent to the address from the wiki.
+ *
+ * @return bool
+ */
+ public function isEmailConfirmed() {
+ global $wgEmailAuthentication;
+ $this->load();
+ // Avoid PHP 7.1 warning of passing $this by reference
+ $user = $this;
+ $confirmed = true;
+ if ( Hooks::run( 'EmailConfirmed', [ &$user, &$confirmed ] ) ) {
+ if ( $this->isAnon() ) {
+ return false;
+ }
+ if ( !Sanitizer::validateEmail( $this->mEmail ) ) {
+ return false;
+ }
+ if ( $wgEmailAuthentication && !$this->getEmailAuthenticationTimestamp() ) {
+ return false;
+ }
+ return true;
+ } else {
+ return $confirmed;
+ }
+ }
+
+ /**
+ * Check whether there is an outstanding request for e-mail confirmation.
+ * @return bool
+ */
+ public function isEmailConfirmationPending() {
+ global $wgEmailAuthentication;
+ return $wgEmailAuthentication &&
+ !$this->isEmailConfirmed() &&
+ $this->mEmailToken &&
+ $this->mEmailTokenExpires > wfTimestamp();
+ }
+
+ /**
+ * Get the timestamp of account creation.
+ *
+ * @return string|bool|null Timestamp of account creation, false for
+ * non-existent/anonymous user accounts, or null if existing account
+ * but information is not in database.
+ */
+ public function getRegistration() {
+ if ( $this->isAnon() ) {
+ return false;
+ }
+ $this->load();
+ return $this->mRegistration;
+ }
+
+ /**
+ * Get the timestamp of the first edit
+ *
+ * @return string|bool Timestamp of first edit, or false for
+ * non-existent/anonymous user accounts.
+ */
+ public function getFirstEditTimestamp() {
+ if ( $this->getId() == 0 ) {
+ return false; // anons
+ }
+ $dbr = wfGetDB( DB_REPLICA );
+ $actorWhere = ActorMigration::newMigration()->getWhere( $dbr, 'rev_user', $this );
+ $time = $dbr->selectField(
+ [ 'revision' ] + $actorWhere['tables'],
+ 'rev_timestamp',
+ [ $actorWhere['conds'] ],
+ __METHOD__,
+ [ 'ORDER BY' => 'rev_timestamp ASC' ],
+ $actorWhere['joins']
+ );
+ if ( !$time ) {
+ return false; // no edits
+ }
+ return wfTimestamp( TS_MW, $time );
+ }
+
+ /**
+ * Get the permissions associated with a given list of groups
+ *
+ * @param array $groups Array of Strings List of internal group names
+ * @return array Array of Strings List of permission key names for given groups combined
+ */
+ public static function getGroupPermissions( $groups ) {
+ global $wgGroupPermissions, $wgRevokePermissions;
+ $rights = [];
+ // grant every granted permission first
+ foreach ( $groups as $group ) {
+ if ( isset( $wgGroupPermissions[$group] ) ) {
+ $rights = array_merge( $rights,
+ // array_filter removes empty items
+ array_keys( array_filter( $wgGroupPermissions[$group] ) ) );
+ }
+ }
+ // now revoke the revoked permissions
+ foreach ( $groups as $group ) {
+ if ( isset( $wgRevokePermissions[$group] ) ) {
+ $rights = array_diff( $rights,
+ array_keys( array_filter( $wgRevokePermissions[$group] ) ) );
+ }
+ }
+ return array_unique( $rights );
+ }
+
+ /**
+ * Get all the groups who have a given permission
+ *
+ * @param string $role Role to check
+ * @return array Array of Strings List of internal group names with the given permission
+ */
+ public static function getGroupsWithPermission( $role ) {
+ global $wgGroupPermissions;
+ $allowedGroups = [];
+ foreach ( array_keys( $wgGroupPermissions ) as $group ) {
+ if ( self::groupHasPermission( $group, $role ) ) {
+ $allowedGroups[] = $group;
+ }
+ }
+ return $allowedGroups;
+ }
+
+ /**
+ * Check, if the given group has the given permission
+ *
+ * If you're wanting to check whether all users have a permission, use
+ * User::isEveryoneAllowed() instead. That properly checks if it's revoked
+ * from anyone.
+ *
+ * @since 1.21
+ * @param string $group Group to check
+ * @param string $role Role to check
+ * @return bool
+ */
+ public static function groupHasPermission( $group, $role ) {
+ global $wgGroupPermissions, $wgRevokePermissions;
+ return isset( $wgGroupPermissions[$group][$role] ) && $wgGroupPermissions[$group][$role]
+ && !( isset( $wgRevokePermissions[$group][$role] ) && $wgRevokePermissions[$group][$role] );
+ }
+
+ /**
+ * Check if all users may be assumed to have the given permission
+ *
+ * We generally assume so if the right is granted to '*' and isn't revoked
+ * on any group. It doesn't attempt to take grants or other extension
+ * limitations on rights into account in the general case, though, as that
+ * would require it to always return false and defeat the purpose.
+ * Specifically, session-based rights restrictions (such as OAuth or bot
+ * passwords) are applied based on the current session.
+ *
+ * @since 1.22
+ * @param string $right Right to check
+ * @return bool
+ */
+ public static function isEveryoneAllowed( $right ) {
+ global $wgGroupPermissions, $wgRevokePermissions;
+ static $cache = [];
+
+ // Use the cached results, except in unit tests which rely on
+ // being able change the permission mid-request
+ if ( isset( $cache[$right] ) && !defined( 'MW_PHPUNIT_TEST' ) ) {
+ return $cache[$right];
+ }
+
+ if ( !isset( $wgGroupPermissions['*'][$right] ) || !$wgGroupPermissions['*'][$right] ) {
+ $cache[$right] = false;
+ return false;
+ }
+
+ // If it's revoked anywhere, then everyone doesn't have it
+ foreach ( $wgRevokePermissions as $rights ) {
+ if ( isset( $rights[$right] ) && $rights[$right] ) {
+ $cache[$right] = false;
+ return false;
+ }
+ }
+
+ // Remove any rights that aren't allowed to the global-session user,
+ // unless there are no sessions for this endpoint.
+ if ( !defined( 'MW_NO_SESSION' ) ) {
+ $allowedRights = SessionManager::getGlobalSession()->getAllowedUserRights();
+ if ( $allowedRights !== null && !in_array( $right, $allowedRights, true ) ) {
+ $cache[$right] = false;
+ return false;
+ }
+ }
+
+ // Allow extensions to say false
+ if ( !Hooks::run( 'UserIsEveryoneAllowed', [ $right ] ) ) {
+ $cache[$right] = false;
+ return false;
+ }
+
+ $cache[$right] = true;
+ return true;
+ }
+
+ /**
+ * Get the localized descriptive name for a group, if it exists
+ * @deprecated since 1.29 Use UserGroupMembership::getGroupName instead
+ *
+ * @param string $group Internal group name
+ * @return string Localized descriptive group name
+ */
+ public static function getGroupName( $group ) {
+ wfDeprecated( __METHOD__, '1.29' );
+ return UserGroupMembership::getGroupName( $group );
+ }
+
+ /**
+ * Get the localized descriptive name for a member of a group, if it exists
+ * @deprecated since 1.29 Use UserGroupMembership::getGroupMemberName instead
+ *
+ * @param string $group Internal group name
+ * @param string $username Username for gender (since 1.19)
+ * @return string Localized name for group member
+ */
+ public static function getGroupMember( $group, $username = '#' ) {
+ wfDeprecated( __METHOD__, '1.29' );
+ return UserGroupMembership::getGroupMemberName( $group, $username );
+ }
+
+ /**
+ * Return the set of defined explicit groups.
+ * The implicit groups (by default *, 'user' and 'autoconfirmed')
+ * are not included, as they are defined automatically, not in the database.
+ * @return array Array of internal group names
+ */
+ public static function getAllGroups() {
+ global $wgGroupPermissions, $wgRevokePermissions;
+ return array_diff(
+ array_merge( array_keys( $wgGroupPermissions ), array_keys( $wgRevokePermissions ) ),
+ self::getImplicitGroups()
+ );
+ }
+
+ /**
+ * Get a list of all available permissions.
+ * @return string[] Array of permission names
+ */
+ public static function getAllRights() {
+ if ( self::$mAllRights === false ) {
+ global $wgAvailableRights;
+ if ( count( $wgAvailableRights ) ) {
+ self::$mAllRights = array_unique( array_merge( self::$mCoreRights, $wgAvailableRights ) );
+ } else {
+ self::$mAllRights = self::$mCoreRights;
+ }
+ Hooks::run( 'UserGetAllRights', [ &self::$mAllRights ] );
+ }
+ return self::$mAllRights;
+ }
+
+ /**
+ * Get a list of implicit groups
+ * @return array Array of Strings Array of internal group names
+ */
+ public static function getImplicitGroups() {
+ global $wgImplicitGroups;
+
+ $groups = $wgImplicitGroups;
+ # Deprecated, use $wgImplicitGroups instead
+ Hooks::run( 'UserGetImplicitGroups', [ &$groups ], '1.25' );
+
+ return $groups;
+ }
+
+ /**
+ * Get the title of a page describing a particular group
+ * @deprecated since 1.29 Use UserGroupMembership::getGroupPage instead
+ *
+ * @param string $group Internal group name
+ * @return Title|bool Title of the page if it exists, false otherwise
+ */
+ public static function getGroupPage( $group ) {
+ wfDeprecated( __METHOD__, '1.29' );
+ return UserGroupMembership::getGroupPage( $group );
+ }
+
+ /**
+ * Create a link to the group in HTML, if available;
+ * else return the group name.
+ * @deprecated since 1.29 Use UserGroupMembership::getLink instead, or
+ * make the link yourself if you need custom text
+ *
+ * @param string $group Internal name of the group
+ * @param string $text The text of the link
+ * @return string HTML link to the group
+ */
+ public static function makeGroupLinkHTML( $group, $text = '' ) {
+ wfDeprecated( __METHOD__, '1.29' );
+
+ if ( $text == '' ) {
+ $text = UserGroupMembership::getGroupName( $group );
+ }
+ $title = UserGroupMembership::getGroupPage( $group );
+ if ( $title ) {
+ return MediaWikiServices::getInstance()
+ ->getLinkRenderer()->makeLink( $title, $text );
+ } else {
+ return htmlspecialchars( $text );
+ }
+ }
+
+ /**
+ * Create a link to the group in Wikitext, if available;
+ * else return the group name.
+ * @deprecated since 1.29 Use UserGroupMembership::getLink instead, or
+ * make the link yourself if you need custom text
+ *
+ * @param string $group Internal name of the group
+ * @param string $text The text of the link
+ * @return string Wikilink to the group
+ */
+ public static function makeGroupLinkWiki( $group, $text = '' ) {
+ wfDeprecated( __METHOD__, '1.29' );
+
+ if ( $text == '' ) {
+ $text = UserGroupMembership::getGroupName( $group );
+ }
+ $title = UserGroupMembership::getGroupPage( $group );
+ if ( $title ) {
+ $page = $title->getFullText();
+ return "[[$page|$text]]";
+ } else {
+ return $text;
+ }
+ }
+
+ /**
+ * Returns an array of the groups that a particular group can add/remove.
+ *
+ * @param string $group The group to check for whether it can add/remove
+ * @return array Array( 'add' => array( addablegroups ),
+ * 'remove' => array( removablegroups ),
+ * 'add-self' => array( addablegroups to self),
+ * 'remove-self' => array( removable groups from self) )
+ */
+ public static function changeableByGroup( $group ) {
+ global $wgAddGroups, $wgRemoveGroups, $wgGroupsAddToSelf, $wgGroupsRemoveFromSelf;
+
+ $groups = [
+ 'add' => [],
+ 'remove' => [],
+ 'add-self' => [],
+ 'remove-self' => []
+ ];
+
+ if ( empty( $wgAddGroups[$group] ) ) {
+ // Don't add anything to $groups
+ } elseif ( $wgAddGroups[$group] === true ) {
+ // You get everything
+ $groups['add'] = self::getAllGroups();
+ } elseif ( is_array( $wgAddGroups[$group] ) ) {
+ $groups['add'] = $wgAddGroups[$group];
+ }
+
+ // Same thing for remove
+ if ( empty( $wgRemoveGroups[$group] ) ) {
+ // Do nothing
+ } elseif ( $wgRemoveGroups[$group] === true ) {
+ $groups['remove'] = self::getAllGroups();
+ } elseif ( is_array( $wgRemoveGroups[$group] ) ) {
+ $groups['remove'] = $wgRemoveGroups[$group];
+ }
+
+ // Re-map numeric keys of AddToSelf/RemoveFromSelf to the 'user' key for backwards compatibility
+ if ( empty( $wgGroupsAddToSelf['user'] ) || $wgGroupsAddToSelf['user'] !== true ) {
+ foreach ( $wgGroupsAddToSelf as $key => $value ) {
+ if ( is_int( $key ) ) {
+ $wgGroupsAddToSelf['user'][] = $value;
+ }
+ }
+ }
+
+ if ( empty( $wgGroupsRemoveFromSelf['user'] ) || $wgGroupsRemoveFromSelf['user'] !== true ) {
+ foreach ( $wgGroupsRemoveFromSelf as $key => $value ) {
+ if ( is_int( $key ) ) {
+ $wgGroupsRemoveFromSelf['user'][] = $value;
+ }
+ }
+ }
+
+ // Now figure out what groups the user can add to him/herself
+ if ( empty( $wgGroupsAddToSelf[$group] ) ) {
+ // Do nothing
+ } elseif ( $wgGroupsAddToSelf[$group] === true ) {
+ // No idea WHY this would be used, but it's there
+ $groups['add-self'] = self::getAllGroups();
+ } elseif ( is_array( $wgGroupsAddToSelf[$group] ) ) {
+ $groups['add-self'] = $wgGroupsAddToSelf[$group];
+ }
+
+ if ( empty( $wgGroupsRemoveFromSelf[$group] ) ) {
+ // Do nothing
+ } elseif ( $wgGroupsRemoveFromSelf[$group] === true ) {
+ $groups['remove-self'] = self::getAllGroups();
+ } elseif ( is_array( $wgGroupsRemoveFromSelf[$group] ) ) {
+ $groups['remove-self'] = $wgGroupsRemoveFromSelf[$group];
+ }
+
+ return $groups;
+ }
+
+ /**
+ * Returns an array of groups that this user can add and remove
+ * @return array Array( 'add' => array( addablegroups ),
+ * 'remove' => array( removablegroups ),
+ * 'add-self' => array( addablegroups to self),
+ * 'remove-self' => array( removable groups from self) )
+ */
+ public function changeableGroups() {
+ if ( $this->isAllowed( 'userrights' ) ) {
+ // This group gives the right to modify everything (reverse-
+ // compatibility with old "userrights lets you change
+ // everything")
+ // Using array_merge to make the groups reindexed
+ $all = array_merge( self::getAllGroups() );
+ return [
+ 'add' => $all,
+ 'remove' => $all,
+ 'add-self' => [],
+ 'remove-self' => []
+ ];
+ }
+
+ // Okay, it's not so simple, we will have to go through the arrays
+ $groups = [
+ 'add' => [],
+ 'remove' => [],
+ 'add-self' => [],
+ 'remove-self' => []
+ ];
+ $addergroups = $this->getEffectiveGroups();
+
+ foreach ( $addergroups as $addergroup ) {
+ $groups = array_merge_recursive(
+ $groups, $this->changeableByGroup( $addergroup )
+ );
+ $groups['add'] = array_unique( $groups['add'] );
+ $groups['remove'] = array_unique( $groups['remove'] );
+ $groups['add-self'] = array_unique( $groups['add-self'] );
+ $groups['remove-self'] = array_unique( $groups['remove-self'] );
+ }
+ return $groups;
+ }
+
+ /**
+ * Deferred version of incEditCountImmediate()
+ *
+ * This function, rather than incEditCountImmediate(), should be used for
+ * most cases as it avoids potential deadlocks caused by concurrent editing.
+ */
+ public function incEditCount() {
+ wfGetDB( DB_MASTER )->onTransactionPreCommitOrIdle(
+ function () {
+ $this->incEditCountImmediate();
+ },
+ __METHOD__
+ );
+ }
+
+ /**
+ * Increment the user's edit-count field.
+ * Will have no effect for anonymous users.
+ * @since 1.26
+ */
+ public function incEditCountImmediate() {
+ if ( $this->isAnon() ) {
+ return;
+ }
+
+ $dbw = wfGetDB( DB_MASTER );
+ // No rows will be "affected" if user_editcount is NULL
+ $dbw->update(
+ 'user',
+ [ 'user_editcount=user_editcount+1' ],
+ [ 'user_id' => $this->getId(), 'user_editcount IS NOT NULL' ],
+ __METHOD__
+ );
+ // Lazy initialization check...
+ if ( $dbw->affectedRows() == 0 ) {
+ // Now here's a goddamn hack...
+ $dbr = wfGetDB( DB_REPLICA );
+ if ( $dbr !== $dbw ) {
+ // If we actually have a replica DB server, the count is
+ // at least one behind because the current transaction
+ // has not been committed and replicated.
+ $this->mEditCount = $this->initEditCount( 1 );
+ } else {
+ // But if DB_REPLICA is selecting the master, then the
+ // count we just read includes the revision that was
+ // just added in the working transaction.
+ $this->mEditCount = $this->initEditCount();
+ }
+ } else {
+ if ( $this->mEditCount === null ) {
+ $this->getEditCount();
+ $dbr = wfGetDB( DB_REPLICA );
+ $this->mEditCount += ( $dbr !== $dbw ) ? 1 : 0;
+ } else {
+ $this->mEditCount++;
+ }
+ }
+ // Edit count in user cache too
+ $this->invalidateCache();
+ }
+
+ /**
+ * Initialize user_editcount from data out of the revision table
+ *
+ * @param int $add Edits to add to the count from the revision table
+ * @return int Number of edits
+ */
+ protected function initEditCount( $add = 0 ) {
+ // Pull from a replica DB to be less cruel to servers
+ // Accuracy isn't the point anyway here
+ $dbr = wfGetDB( DB_REPLICA );
+ $actorWhere = ActorMigration::newMigration()->getWhere( $dbr, 'rev_user', $this );
+ $count = (int)$dbr->selectField(
+ [ 'revision' ] + $actorWhere['tables'],
+ 'COUNT(*)',
+ [ $actorWhere['conds'] ],
+ __METHOD__,
+ [],
+ $actorWhere['joins']
+ );
+ $count = $count + $add;
+
+ $dbw = wfGetDB( DB_MASTER );
+ $dbw->update(
+ 'user',
+ [ 'user_editcount' => $count ],
+ [ 'user_id' => $this->getId() ],
+ __METHOD__
+ );
+
+ return $count;
+ }
+
+ /**
+ * Get the description of a given right
+ *
+ * @since 1.29
+ * @param string $right Right to query
+ * @return string Localized description of the right
+ */
+ public static function getRightDescription( $right ) {
+ $key = "right-$right";
+ $msg = wfMessage( $key );
+ return $msg->isDisabled() ? $right : $msg->text();
+ }
+
+ /**
+ * Get the name of a given grant
+ *
+ * @since 1.29
+ * @param string $grant Grant to query
+ * @return string Localized name of the grant
+ */
+ public static function getGrantName( $grant ) {
+ $key = "grant-$grant";
+ $msg = wfMessage( $key );
+ return $msg->isDisabled() ? $grant : $msg->text();
+ }
+
+ /**
+ * Add a newuser log entry for this user.
+ * Before 1.19 the return value was always true.
+ *
+ * @deprecated since 1.27, AuthManager handles logging
+ * @param string|bool $action Account creation type.
+ * - String, one of the following values:
+ * - 'create' for an anonymous user creating an account for himself.
+ * This will force the action's performer to be the created user itself,
+ * no matter the value of $wgUser
+ * - 'create2' for a logged in user creating an account for someone else
+ * - 'byemail' when the created user will receive its password by e-mail
+ * - 'autocreate' when the user is automatically created (such as by CentralAuth).
+ * - Boolean means whether the account was created by e-mail (deprecated):
+ * - true will be converted to 'byemail'
+ * - false will be converted to 'create' if this object is the same as
+ * $wgUser and to 'create2' otherwise
+ * @param string $reason User supplied reason
+ * @return bool true
+ */
+ public function addNewUserLogEntry( $action = false, $reason = '' ) {
+ return true; // disabled
+ }
+
+ /**
+ * Add an autocreate newuser log entry for this user
+ * Used by things like CentralAuth and perhaps other authplugins.
+ * Consider calling addNewUserLogEntry() directly instead.
+ *
+ * @deprecated since 1.27, AuthManager handles logging
+ * @return bool
+ */
+ public function addNewUserLogEntryAutoCreate() {
+ $this->addNewUserLogEntry( 'autocreate' );
+
+ return true;
+ }
+
+ /**
+ * Load the user options either from cache, the database or an array
+ *
+ * @param array $data Rows for the current user out of the user_properties table
+ */
+ protected function loadOptions( $data = null ) {
+ global $wgContLang;
+
+ $this->load();
+
+ if ( $this->mOptionsLoaded ) {
+ return;
+ }
+
+ $this->mOptions = self::getDefaultOptions();
+
+ if ( !$this->getId() ) {
+ // For unlogged-in users, load language/variant options from request.
+ // There's no need to do it for logged-in users: they can set preferences,
+ // and handling of page content is done by $pageLang->getPreferredVariant() and such,
+ // so don't override user's choice (especially when the user chooses site default).
+ $variant = $wgContLang->getDefaultVariant();
+ $this->mOptions['variant'] = $variant;
+ $this->mOptions['language'] = $variant;
+ $this->mOptionsLoaded = true;
+ return;
+ }
+
+ // Maybe load from the object
+ if ( !is_null( $this->mOptionOverrides ) ) {
+ wfDebug( "User: loading options for user " . $this->getId() . " from override cache.\n" );
+ foreach ( $this->mOptionOverrides as $key => $value ) {
+ $this->mOptions[$key] = $value;
+ }
+ } else {
+ if ( !is_array( $data ) ) {
+ wfDebug( "User: loading options for user " . $this->getId() . " from database.\n" );
+ // Load from database
+ $dbr = ( $this->queryFlagsUsed & self::READ_LATEST )
+ ? wfGetDB( DB_MASTER )
+ : wfGetDB( DB_REPLICA );
+
+ $res = $dbr->select(
+ 'user_properties',
+ [ 'up_property', 'up_value' ],
+ [ 'up_user' => $this->getId() ],
+ __METHOD__
+ );
+
+ $this->mOptionOverrides = [];
+ $data = [];
+ foreach ( $res as $row ) {
+ // Convert '0' to 0. PHP's boolean conversion considers them both
+ // false, but e.g. JavaScript considers the former as true.
+ // @todo: T54542 Somehow determine the desired type (string/int/bool)
+ // and convert all values here.
+ if ( $row->up_value === '0' ) {
+ $row->up_value = 0;
+ }
+ $data[$row->up_property] = $row->up_value;
+ }
+ }
+
+ // Convert the email blacklist from a new line delimited string
+ // to an array of ids.
+ if ( isset( $data['email-blacklist'] ) && $data['email-blacklist'] ) {
+ $data['email-blacklist'] = array_map( 'intval', explode( "\n", $data['email-blacklist'] ) );
+ }
+
+ foreach ( $data as $property => $value ) {
+ $this->mOptionOverrides[$property] = $value;
+ $this->mOptions[$property] = $value;
+ }
+ }
+
+ $this->mOptionsLoaded = true;
+
+ Hooks::run( 'UserLoadOptions', [ $this, &$this->mOptions ] );
+ }
+
+ /**
+ * Saves the non-default options for this user, as previously set e.g. via
+ * setOption(), in the database's "user_properties" (preferences) table.
+ * Usually used via saveSettings().
+ */
+ protected function saveOptions() {
+ $this->loadOptions();
+
+ // Not using getOptions(), to keep hidden preferences in database
+ $saveOptions = $this->mOptions;
+
+ // Convert usernames to ids.
+ if ( isset( $this->mOptions['email-blacklist'] ) ) {
+ if ( $this->mOptions['email-blacklist'] ) {
+ $value = $this->mOptions['email-blacklist'];
+ // Email Blacklist may be an array of ids or a string of new line
+ // delimnated user names.
+ if ( is_array( $value ) ) {
+ $ids = array_filter( $value, 'is_numeric' );
+ } else {
+ $lookup = CentralIdLookup::factory();
+ $ids = $lookup->centralIdsFromNames( explode( "\n", $value ), $this );
+ }
+ $this->mOptions['email-blacklist'] = $ids;
+ $saveOptions['email-blacklist'] = implode( "\n", $this->mOptions['email-blacklist'] );
+ } else {
+ // If the blacklist is empty, set it to null rather than an empty string.
+ $this->mOptions['email-blacklist'] = null;
+ }
+ }
+
+ // Allow hooks to abort, for instance to save to a global profile.
+ // Reset options to default state before saving.
+ if ( !Hooks::run( 'UserSaveOptions', [ $this, &$saveOptions ] ) ) {
+ return;
+ }
+
+ $userId = $this->getId();
+
+ $insert_rows = []; // all the new preference rows
+ foreach ( $saveOptions as $key => $value ) {
+ // Don't bother storing default values
+ $defaultOption = self::getDefaultOption( $key );
+ if ( ( $defaultOption === null && $value !== false && $value !== null )
+ || $value != $defaultOption
+ ) {
+ $insert_rows[] = [
+ 'up_user' => $userId,
+ 'up_property' => $key,
+ 'up_value' => $value,
+ ];
+ }
+ }
+
+ $dbw = wfGetDB( DB_MASTER );
+
+ $res = $dbw->select( 'user_properties',
+ [ 'up_property', 'up_value' ], [ 'up_user' => $userId ], __METHOD__ );
+
+ // Find prior rows that need to be removed or updated. These rows will
+ // all be deleted (the latter so that INSERT IGNORE applies the new values).
+ $keysDelete = [];
+ foreach ( $res as $row ) {
+ if ( !isset( $saveOptions[$row->up_property] )
+ || strcmp( $saveOptions[$row->up_property], $row->up_value ) != 0
+ ) {
+ $keysDelete[] = $row->up_property;
+ }
+ }
+
+ if ( count( $keysDelete ) ) {
+ // Do the DELETE by PRIMARY KEY for prior rows.
+ // In the past a very large portion of calls to this function are for setting
+ // 'rememberpassword' for new accounts (a preference that has since been removed).
+ // Doing a blanket per-user DELETE for new accounts with no rows in the table
+ // caused gap locks on [max user ID,+infinity) which caused high contention since
+ // updates would pile up on each other as they are for higher (newer) user IDs.
+ // It might not be necessary these days, but it shouldn't hurt either.
+ $dbw->delete( 'user_properties',
+ [ 'up_user' => $userId, 'up_property' => $keysDelete ], __METHOD__ );
+ }
+ // Insert the new preference rows
+ $dbw->insert( 'user_properties', $insert_rows, __METHOD__, [ 'IGNORE' ] );
+ }
+
+ /**
+ * Return the list of user fields that should be selected to create
+ * a new user object.
+ * @deprecated since 1.31, use self::getQueryInfo() instead.
+ * @return array
+ */
+ public static function selectFields() {
+ wfDeprecated( __METHOD__, '1.31' );
+ return [
+ 'user_id',
+ 'user_name',
+ 'user_real_name',
+ 'user_email',
+ 'user_touched',
+ 'user_token',
+ 'user_email_authenticated',
+ 'user_email_token',
+ 'user_email_token_expires',
+ 'user_registration',
+ 'user_editcount',
+ ];
+ }
+
+ /**
+ * Return the tables, fields, and join conditions to be selected to create
+ * a new user object.
+ * @since 1.31
+ * @return array With three keys:
+ * - tables: (string[]) to include in the `$table` to `IDatabase->select()`
+ * - fields: (string[]) to include in the `$vars` to `IDatabase->select()`
+ * - joins: (array) to include in the `$join_conds` to `IDatabase->select()`
+ */
+ public static function getQueryInfo() {
+ global $wgActorTableSchemaMigrationStage;
+
+ $ret = [
+ 'tables' => [ 'user' ],
+ 'fields' => [
+ 'user_id',
+ 'user_name',
+ 'user_real_name',
+ 'user_email',
+ 'user_touched',
+ 'user_token',
+ 'user_email_authenticated',
+ 'user_email_token',
+ 'user_email_token_expires',
+ 'user_registration',
+ 'user_editcount',
+ ],
+ 'joins' => [],
+ ];
+ if ( $wgActorTableSchemaMigrationStage > MIGRATION_OLD ) {
+ $ret['tables']['user_actor'] = 'actor';
+ $ret['fields'][] = 'user_actor.actor_id';
+ $ret['joins']['user_actor'] = [
+ $wgActorTableSchemaMigrationStage === MIGRATION_NEW ? 'JOIN' : 'LEFT JOIN',
+ [ 'user_actor.actor_user = user_id' ]
+ ];
+ }
+ return $ret;
+ }
+
+ /**
+ * Factory function for fatal permission-denied errors
+ *
+ * @since 1.22
+ * @param string $permission User right required
+ * @return Status
+ */
+ static function newFatalPermissionDeniedStatus( $permission ) {
+ global $wgLang;
+
+ $groups = [];
+ foreach ( self::getGroupsWithPermission( $permission ) as $group ) {
+ $groups[] = UserGroupMembership::getLink( $group, RequestContext::getMain(), 'wiki' );
+ }
+
+ if ( $groups ) {
+ return Status::newFatal( 'badaccess-groups', $wgLang->commaList( $groups ), count( $groups ) );
+ } else {
+ return Status::newFatal( 'badaccess-group0' );
+ }
+ }
+
+ /**
+ * Get a new instance of this user that was loaded from the master via a locking read
+ *
+ * Use this instead of the main context User when updating that user. This avoids races
+ * where that user was loaded from a replica DB or even the master but without proper locks.
+ *
+ * @return User|null Returns null if the user was not found in the DB
+ * @since 1.27
+ */
+ public function getInstanceForUpdate() {
+ if ( !$this->getId() ) {
+ return null; // anon
+ }
+
+ $user = self::newFromId( $this->getId() );
+ if ( !$user->loadFromId( self::READ_EXCLUSIVE ) ) {
+ return null;
+ }
+
+ return $user;
+ }
+
+ /**
+ * Checks if two user objects point to the same user.
+ *
+ * @since 1.25
+ * @param User $user
+ * @return bool
+ */
+ public function equals( User $user ) {
+ return $this->getName() === $user->getName();
+ }
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-05-05 08:40:11 +0000