			<?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\Auth\AuthenticationRequest;
			use MediaWiki\Auth\AuthManager;
			use MediaWiki\Block\AbstractBlock;
			use MediaWiki\Block\Block;
			use MediaWiki\Block\DatabaseBlock;
			use MediaWiki\Block\SystemBlock;
			use MediaWiki\DAO\WikiAwareEntityTrait;
			use MediaWiki\HookContainer\ProtectedHookAccessorTrait;
			use MediaWiki\Logger\LoggerFactory;
			use MediaWiki\Mail\UserEmailContact;
			use MediaWiki\MainConfigNames;
			use MediaWiki\MediaWikiServices;
			use MediaWiki\Page\PageIdentity;
			use MediaWiki\Permissions\Authority;
			use MediaWiki\Permissions\PermissionStatus;
			use MediaWiki\Permissions\RateLimitSubject;
			use MediaWiki\Permissions\UserAuthority;
			use MediaWiki\Session\SessionManager;
			use MediaWiki\User\UserFactory;
			use MediaWiki\User\UserIdentity;
			use MediaWiki\User\UserIdentityValue;
			use MediaWiki\User\UserRigorOptions;
			use Wikimedia\Assert\Assert;
			use Wikimedia\Assert\PreconditionException;
			use Wikimedia\IPUtils;
			use Wikimedia\Rdbms\Database;
			use Wikimedia\Rdbms\DBExpectedError;
			use Wikimedia\Rdbms\IDatabase;
			use Wikimedia\ScopedCallback;
			use Wikimedia\Timestamp\ConvertibleTimestamp;

			/**
			* 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.
			*
			* @note User implements Authority to ease transition. Always prefer
			* using existing Authority or obtaining a proper Authority implementation.
			*
			* @note {@}newable in 1.35 only, the constructor is {@}internal since 1.36
			*/
			#[AllowDynamicProperties]
			class User implements Authority, UserIdentity, UserEmailContact {
			use ProtectedHookAccessorTrait;
			use WikiAwareEntityTrait;

			/**
			* @var int
			* @see IDBAccessObject::READ_EXCLUSIVE
			*/
			public const READ_EXCLUSIVE = IDBAccessObject::READ_EXCLUSIVE;

			/**
			* @var int
			* @see IDBAccessObject::READ_LOCKING
			*/
			public const READ_LOCKING = IDBAccessObject::READ_LOCKING;

			/**
			* Number of characters required for the user_token field.
			*/
			public const TOKEN_LENGTH = 32;

			/**
			* An invalid string value for the user_token field.
			*/
			public const INVALID_TOKEN = '* INVALID *';

			/**
			* Version number to tag cached versions of serialized User objects. Should be increased when
			* {@link $mCacheVars} or one of its members changes.
			*/
			private const VERSION = 17;

			/**
			* @since 1.27
			*/
			public const CHECK_USER_RIGHTS = true;

			/**
			* @since 1.27
			*/
			public const IGNORE_USER_RIGHTS = false;

			/**
			* Username used for various maintenance scripts.
			* @since 1.37
			*/
			public const MAINTENANCE_SCRIPT_USER = 'Maintenance script';

			/**
			* 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
			* @var string[]
			*/
			protected static $mCacheVars = [
			// user table
			'mId',
			'mName',
			'mRealName',
			'mEmail',
			'mTouched',
			'mToken',
			'mEmailAuthenticated',
			'mEmailToken',
			'mEmailTokenExpires',
			'mRegistration',
			// actor table
			'mActorId',
			];

			/** Cache variables */
			// Some of these are public, including for use by the UserFactory, but they generally
			// should not be set manually
			// @{
			/** @var int */
			public $mId;
			/** @var string */
			public $mName;
			/**
			* Switched from protected to public for use in UserFactory
			*
			* @var int\|null
			*/
			public $mActorId;
			/** @var string */
			public $mRealName;

			/** @var string */
			public $mEmail;
			/** @var string TS_MW timestamp from the DB */
			public $mTouched;
			/** @var string\|null TS_MW timestamp from cache */
			protected $mQuickTouched;
			/** @var string\|null */
			protected $mToken;
			/** @var string\|null */
			public $mEmailAuthenticated;
			/** @var string\|null */
			protected $mEmailToken;
			/** @var string\|null */
			protected $mEmailTokenExpires;
			/** @var string\|null */
			protected $mRegistration;
			// @}

			// @{
			/**
			* @var array\|bool Array with already loaded items or true if all items have been loaded.
			*/
			protected $mLoadedItems = [];
			// @}

			/**
			* @var 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
			*/
			/** @var string\|null */
			protected $mDatePreference;
			/**
			* @var string\|int -1 when the block is unset
			*/
			private $mBlockedby;
			/** @var string\|false */
			protected $mHash;
			/**
			* TODO: This should be removed when User::blockedFor
			* and AbstractBlock::getReason are hard deprecated.
			* @var string
			*/
			protected $mBlockreason;
			/** @var AbstractBlock */
			protected $mGlobalBlock;
			/** @var bool */
			protected $mLocked;
			/** @var bool */
			private $mHideName;

			/** @var WebRequest */
			private $mRequest;

			/** @var AbstractBlock\|null */
			private $mBlock;

			/** @var AbstractBlock\|bool */
			private $mBlockedFromCreateAccount = false;

			/** @var int User::READ_* constant bitfield used to load data */
			protected $queryFlagsUsed = self::READ_NORMAL;

			/** @var Authority\|null lazy-initialized Authority of this user */
			private $mThisAsAuthority;

			/** @var bool\|null */
			private $isTemp;

			/**
			* Lightweight constructor for an anonymous user.
			*
			* @stable to call since 1.35
			* @internal since 1.36, use the UserFactory service instead
			*
			* @see MediaWiki\User\UserFactory
			*
			* @see newFromName()
			* @see newFromId()
			* @see newFromActorId()
			* @see newFromConfirmationCode()
			* @see newFromSession()
			* @see newFromRow()
			*/
			public function __construct() {
			$this->clearInstanceCache( 'defaults' );
			}

			/**
			* Returns self::LOCAL to indicate the user is associated with the local wiki.
			*
			* @since 1.36
			* @return string\|false
			*/
			public function getWikiId() {
			return self::LOCAL;
			}

			/**
			* @return string
			*/
			public function __toString() {
			return $this->getName();
			}

			public function &__get( $name ) {
			// A shortcut for $mRights deprecation phase
			if ( $name === 'mRights' ) {
			$copy = MediaWikiServices::getInstance()
			->getPermissionManager()
			->getUserPermissions( $this );
			return $copy;
			} elseif ( $name === 'mOptions' ) {
			wfDeprecated( 'User::$mOptions', '1.35' );
			$options = MediaWikiServices::getInstance()->getUserOptionsLookup()->getOptions( $this );
			return $options;
			} elseif ( in_array( $name, [ 'mBlock', 'mBlockedby', 'mHideName' ] ) ) {
			// hard deprecated since 1.39
			wfDeprecated( "User::\$$name", '1.35' );
			$value = $this->$name;
			return $value;
			} elseif ( !property_exists( $this, $name ) ) {
			// T227688 - do not break $u->foo['bar'] = 1
			wfLogWarning( 'tried to get non-existent property' );
			$this->$name = null;
			return $this->$name;
			} else {
			wfLogWarning( 'tried to get non-visible property' );
			$null = null;
			return $null;
			}
			}

			public function __set( $name, $value ) {
			// A shortcut for $mRights deprecation phase, only known legitimate use was for
			// testing purposes, other uses seem bad in principle
			if ( $name === 'mRights' ) {
			MediaWikiServices::getInstance()->getPermissionManager()->overrideUserRightsForTesting(
			$this,
			$value ?? []
			);
			} elseif ( $name === 'mOptions' ) {
			wfDeprecated( 'User::$mOptions', '1.35' );
			$userOptionsManager = MediaWikiServices::getInstance()->getUserOptionsManager();
			$userOptionsManager->clearUserOptionsCache( $this );
			foreach ( $value as $key => $val ) {
			$userOptionsManager->setOption( $this, $key, $val );
			}
			} elseif ( in_array( $name, [ 'mBlock', 'mBlockedby', 'mHideName' ] ) ) {
			// hard deprecated since 1.39
			wfDeprecated( "User::\$$name", '1.35' );
			$this->$name = $value;
			} elseif ( !property_exists( $this, $name ) ) {
			$this->$name = $value;
			} else {
			wfLogWarning( 'tried to set non-visible property' );
			}
			}

			public function __sleep(): array {
			return array_diff(
			array_keys( get_object_vars( $this ) ),
			[
			'mThisAsAuthority' // memoization, will be recreated on demand.
			]
			);
			}

			/**
			* 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' ) {
			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 '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->hasOrMadeRecentPrimaryChanges() ) {
			$flags \|= self::READ_LATEST;
			$this->queryFlagsUsed = $flags;
			}
			}

			$this->loadFromId( $flags );
			break;
			case 'actor':
			case 'name':
			// Make sure this thread sees its own changes
			$lb = MediaWikiServices::getInstance()->getDBLoadBalancer();
			if ( $lb->hasOrMadeRecentPrimaryChanges() ) {
			$flags \|= self::READ_LATEST;
			$this->queryFlagsUsed = $flags;
			}

			[ $index, $options ] = DBAccessObjectUtils::getDBOptions( $flags );
			$row = wfGetDB( $index )->selectRow(
			'actor',
			[ 'actor_id', 'actor_user', 'actor_name' ],
			$this->mFrom === 'name'
			// make sure to use normalized form of IP for anonymous users
			? [ 'actor_name' => IPUtils::sanitizeIP( $this->mName ) ]
			: [ 'actor_id' => $this->mActorId ],
			__METHOD__,
			$options
			);

			if ( !$row ) {
			// Ugh.
			$this->loadDefaults( $this->mFrom === 'name' ? $this->mName : false );
			} elseif ( $row->actor_user ) {
			$this->mId = $row->actor_user;
			$this->loadFromId( $flags );
			} else {
			$this->loadDefaults( $row->actor_name, $row->actor_id );
			}
			break;
			case 'session':
			if ( !$this->loadFromSession() ) {
			// Loading from session failed. Load defaults.
			$this->loadDefaults();
			}
			$this->getHookRunner()->onUserLoadAfterLoadFromSession( $this );
			break;
			default:
			throw new UnexpectedValueException(
			"Unrecognised value for User->mFrom: \"{$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 primary 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 $dbDomain
			* @param int $userId
			*/
			public static function purge( $dbDomain, $userId ) {
			$cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
			$key = $cache->makeGlobalKey( 'user', 'id', $dbDomain, $userId );
			$cache->delete( $key );
			}

			/**
			* @since 1.27
			* @param WANObjectCache $cache
			* @return string
			*/
			protected function getCacheKey( WANObjectCache $cache ) {
			$lbFactory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();

			return $cache->makeGlobalKey( 'user', 'id', $lbFactory->getLocalDomainID(), $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() {
			global $wgFullyInitialised;

			$cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
			$data = $cache->getWithSetCallback(
			$this->getCacheKey( $cache ),
			$cache::TTL_HOUR,
			function ( $oldValue, &$ttl, array &$setOpts ) use ( $cache, $wgFullyInitialised ) {
			$setOpts += Database::getCacheSetOptions( wfGetDB( DB_REPLICA ) );
			wfDebug( "User: cache miss for user {$this->mId}" );

			$this->loadFromDatabase( self::READ_NORMAL );

			$data = [];
			foreach ( self::$mCacheVars as $name ) {
			$data[$name] = $this->$name;
			}

			$ttl = $cache->adaptiveTTL( (int)wfTimestamp( TS_UNIX, $this->mTouched ), $ttl );

			if ( $wgFullyInitialised ) {
			$groupMemberships = MediaWikiServices::getInstance()
			->getUserGroupManager()
			->getUserGroupMemberships( $this, $this->queryFlagsUsed );

			// if a user group membership is about to expire, the cache needs to
			// expire at that time (T163691)
			foreach ( $groupMemberships as $ugm ) {
			if ( $ugm->getExpiry() ) {
			$secondsUntilExpiry =
			(int)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;
			}

			/***************************************************************************/
			// region newFrom*() static factory methods
			/** @name newFrom*() static factory methods
			* @{
			*/

			/**
			* @see UserFactory::newFromName
			*
			* @deprecated since 1.36, use a UserFactory instead
			*
			* 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.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,
			* 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' ) {
			// Backwards compatibility with strings / false
			$validationLevels = [
			'valid' => UserRigorOptions::RIGOR_VALID,
			'usable' => UserRigorOptions::RIGOR_USABLE,
			'creatable' => UserRigorOptions::RIGOR_CREATABLE
			];
			if ( $validate === true ) {
			$validate = 'valid';
			}
			if ( $validate === false ) {
			$validation = UserRigorOptions::RIGOR_NONE;
			} elseif ( array_key_exists( $validate, $validationLevels ) ) {
			$validation = $validationLevels[ $validate ];
			} else {
			// Not a recognized value, probably a test for unsupported validation
			// levels, regardless, just pass it along
			$validation = $validate;
			}

			$user = MediaWikiServices::getInstance()
			->getUserFactory()
			->newFromName( (string)$name, $validation );

			// UserFactory returns null instead of false
			if ( $user === null ) {
			$user = false;
			}
			return $user;
			}

			/**
			* Static factory method for creation from a given user ID.
			*
			* @see UserFactory::newFromId
			*
			* @deprecated since 1.36, use a UserFactory instead
			*
			* @param int $id Valid user ID
			* @return User
			*/
			public static function newFromId( $id ) {
			return MediaWikiServices::getInstance()
			->getUserFactory()
			->newFromId( (int)$id );
			}

			/**
			* Static factory method for creation from a given actor ID.
			*
			* @see UserFactory::newFromActorId
			*
			* @deprecated since 1.36, use a UserFactory instead
			*
			* @since 1.31
			* @param int $id Valid actor ID
			* @return User
			*/
			public static function newFromActorId( $id ) {
			return MediaWikiServices::getInstance()
			->getUserFactory()
			->newFromActorId( (int)$id );
			}

			/**
			* Returns a User object corresponding to the given UserIdentity.
			*
			* @see UserFactory::newFromUserIdentity
			*
			* @deprecated since 1.36, use a UserFactory instead
			*
			* @since 1.32
			*
			* @param UserIdentity $identity
			*
			* @return User
			*/
			public static function newFromIdentity( UserIdentity $identity ) {
			// Don't use the service if we already have a User object,
			// so that User::newFromIdentity calls don't break things in unit tests.
			if ( $identity instanceof User ) {
			return $identity;
			}

			return MediaWikiServices::getInstance()
			->getUserFactory()
			->newFromUserIdentity( $identity );
			}

			/**
			* 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.
			*
			* @see UserFactory::newFromAnyId
			*
			* @deprecated since 1.36, use a UserFactory instead
			*
			* @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
			* @param bool\|string $dbDomain remote wiki to which the User/Actor ID applies, or false if none
			* @return User
			*/
			public static function newFromAnyId( $userId, $userName, $actorId, $dbDomain = false ) {
			return MediaWikiServices::getInstance()
			->getUserFactory()
			->newFromAnyId( $userId, $userName, $actorId, $dbDomain );
			}

			/**
			* 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.
			*
			* @see UserFactory::newFromConfirmationCode
			*
			* @deprecated since 1.36, use a UserFactory instead
			*
			* @param string $code Confirmation code
			* @param int $flags User::READ_* bitfield
			* @return User\|null
			*/
			public static function newFromConfirmationCode( $code, $flags = self::READ_NORMAL ) {
			return MediaWikiServices::getInstance()
			->getUserFactory()
			->newFromConfirmationCode( (string)$code, $flags );
			}

			/**
			* 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; the global request 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\|null $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: 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,
			* default 'valid'. Deprecated since 1.36.
			* - 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' => UserRigorOptions::RIGOR_VALID,
			'create' => true,
			'steal' => false,
			];

			// Username validation
			// Backwards compatibility with strings / false
			$validationLevels = [
			'valid' => UserRigorOptions::RIGOR_VALID,
			'usable' => UserRigorOptions::RIGOR_USABLE,
			'creatable' => UserRigorOptions::RIGOR_CREATABLE
			];
			$validate = $options['validate'];

			// @phan-suppress-next-line PhanSuspiciousValueComparison
			if ( $validate === false ) {
			$validation = UserRigorOptions::RIGOR_NONE;
			} elseif ( array_key_exists( $validate, $validationLevels ) ) {
			$validation = $validationLevels[ $validate ];
			} else {
			// Not a recognized value, probably a test for unsupported validation
			// levels, regardless, just pass it along
			$validation = $validate;
			}

			if ( $validation !== UserRigorOptions::RIGOR_VALID ) {
			wfDeprecatedMsg(
			__METHOD__ . ' options["validation"] parameter must be omitted or set to "valid".',
			'1.36'
			);
			}
			$services = MediaWikiServices::getInstance();
			$userNameUtils = $services->getUserNameUtils();

			$name = $userNameUtils->getCanonical( (string)$name, $validation );
			if ( $name === false ) {
			return null;
			}

			$loadBalancer = $services->getDBLoadBalancer();
			$dbr = $loadBalancer->getConnectionRef( DB_REPLICA );

			$userQuery = self::getQueryInfo();
			$row = $dbr->selectRow(
			$userQuery['tables'],
			$userQuery['fields'],
			[ 'user_name' => $name ],
			__METHOD__,
			[],
			$userQuery['joins']
			);
			if ( !$row ) {
			// Try the primary database...
			$dbw = $loadBalancer->getConnectionRef( DB_PRIMARY );
			$row = $dbw->selectRow(
			$userQuery['tables'],
			$userQuery['fields'],
			[ 'user_name' => $name ],
			__METHOD__,
			[],
			$userQuery['joins']
			);
			}

			if ( !$row ) {
			// No user. Create it?
			// @phan-suppress-next-line PhanImpossibleCondition
			if ( !$options['create'] ) {
			// No.
			return null;
			}

			// If it's a reserved user that had an anonymous actor created for it at
			// some point, we need special handling.
			return self::insertNewUser( static function ( UserIdentity $actor, IDatabase $dbw ) {
			return MediaWikiServices::getInstance()->getActorStore()->acquireSystemActorId( $actor, $dbw );
			}, $name, [ 'token' => self::INVALID_TOKEN ] );
			}

			$user = self::newFromRow( $row );

			if ( !$user->isSystemUser() ) {
			// User exists. Steal it?
			// @phan-suppress-next-line PhanRedundantCondition
			if ( !$options['steal'] ) {
			return null;
			}

			$services->getAuthManager()->revokeAccessForUser( $name );

			$user->invalidateEmail();
			$user->mToken = self::INVALID_TOKEN;
			$user->saveSettings();
			SessionManager::singleton()->preventSessionsForUser( $user->getName() );
			}

			return $user;
			}

			/** @} */
			// endregion -- end of newFrom*() static factory methods

			/**
			* Get the username corresponding to a given user ID
			* @param int $id User ID
			* @return string\|false 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\|false 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
			* @deprecated since 1.37. Use UserIdentityLookup::getUserIdentityByName instead.
			* @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 ) {
			$actor = MediaWikiServices::getInstance()
			->getUserIdentityLookup()
			->getUserIdentityByName( (string)$name, $flags );
			if ( $actor && $actor->getId() ) {
			return $actor->getId();
			}
			return null;
			}

			/**
			* 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\|null $after ID the user to start after
			* @return UserArrayFromResult\|ArrayIterator
			*/
			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 );
			}

			/**
			* Is the input a valid password for this user?
			*
			* @param string $password Desired password
			* @return bool
			*/
			public function isValidPassword( $password ) {
			// simple boolean wrapper for checkPasswordValidity
			return $this->checkPasswordValidity( $password )->isGood();
			}

			/**
			* Check if this is a valid password for this user
			*
			* Returns a Status object with a set of messages describing
			* problems with the password. If the return status is fatal,
			* the action should be refused and the password should not be
			* checked at all (this is mainly meant for DoS mitigation).
			* If the return value is OK but not good, the password can be checked,
			* but the user should not be able to set their password to this.
			* The value of the returned Status object will be an array which
			* can have the following fields:
			* - forceChange (bool): if set to true, the user should not be
			* allowed to log with this password unless they change it during
			* the login process (see ResetPasswordSecondaryAuthenticationProvider).
			* - suggestChangeOnLogin (bool): if set to true, the user should be prompted for
			* a password change on login.
			*
			* @param string $password Desired password
			* @return Status
			* @since 1.23
			*/
			public function checkPasswordValidity( $password ) {
			$passwordPolicy = MediaWikiServices::getInstance()->getMainConfig()
			->get( MainConfigNames::PasswordPolicy );

			$upp = new UserPasswordPolicy(
			$passwordPolicy['policies'],
			$passwordPolicy['checks']
			);

			$status = Status::newGood( [] );
			$result = false; // init $result to false for the internal checks

			if ( !$this->getHookRunner()->onIsValidPassword( $password, $result, $this ) ) {
			$status->error( $result );
			return $status;
			}

			if ( $result === false ) {
			$status->merge( $upp->checkUserPassword( $this, $password ), true );
			return $status;
			}

			if ( $result === true ) {
			return $status;
			}

			$status->error( $result );
			return $status; // the isValidPassword hook set a string $result and returned true
			}

			/**
			* Set cached properties to default.
			*
			* @note This no longer clears uncached lazy-initialised properties;
			* the constructor does that instead.
			*
			* @param string\|bool $name
			* @param int\|null $actorId
			*/
			public function loadDefaults( $name = false, $actorId = null ) {
			$this->mId = 0;
			$this->mName = $name;
			$this->mActorId = $actorId;
			$this->mRealName = '';
			$this->mEmail = '';

			$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->getHookRunner()->onUserLoadDefaults( $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
			*
			* @internal Only public for use in UserFactory
			*
			* @param string $item
			*/
			public 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() {
			// 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->isRegistered() ) {
			$this->loadFromUserObject( $user );

			// 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 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;
			}

			[ $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;

			// hook is hard deprecated since 1.37
			$this->getHookRunner()->onUserLoadFromDatabase( $this, $s );

			if ( $s !== false ) {
			// Initialise user table data
			$this->loadFromRow( $s );
			return true;
			}

			// Invalid user_id
			$this->mId = 0;
			$this->loadDefaults( 'Unknown user' );

			return false;
			}

			/**
			* Initialize this object from a row from the user table.
			*
			* @param stdClass $row Row from the user table to load.
			* @param array\|null $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.
			*/
			protected function loadFromRow( $row, $data = null ) {
			if ( !is_object( $row ) ) {
			throw new InvalidArgumentException( '$row must be an object' );
			}

			$all = true;

			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_editcount ) ) {
			// Don't try to set edit count for anonymous users
			// We check the id here and not in UserEditTracker because calling
			// User::getId() can trigger some other loading. This will result in
			// discarding the user_editcount field for rows if the id wasn't set.
			if ( $this->mId !== null && $this->mId !== 0 ) {
			MediaWikiServices::getInstance()
			->getUserEditTracker()
			->setCachedUserEditCount( $this, (int)$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'] ) ) {
			MediaWikiServices::getInstance()
			->getUserGroupManager()
			->loadGroupMembershipsFromArray(
			$this,
			$data['user_groups'],
			$this->queryFlagsUsed
			);
			}
			}
			}

			/**
			* 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;
			}
			}

			/**
			* 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 IDatabase $db
			* @param array $conditions WHERE conditions for use with Database::update
			* @return array WHERE conditions for use with Database::update
			*/
			protected function makeUpdateConditions( IDatabase $db, array $conditions ) {
			if ( $this->mTouched ) {
			// CAS check: only update if the row wasn't changed since 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.
			*
			* @internal
			* @return bool Whether user_touched was actually updated
			* @since 1.26
			*/
			public 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_PRIMARY );
			$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( 'changed' );
			} 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 ) {
			global $wgFullyInitialised;

			$this->mDatePreference = null;
			$this->mBlockedby = -1; # Unset
			$this->mHash = false;
			$this->mThisAsAuthority = null;

			if ( $wgFullyInitialised && $this->mFrom ) {
			$services = MediaWikiServices::getInstance();
			$services->getPermissionManager()->invalidateUsersRightsCache( $this );
			$services->getUserOptionsManager()->clearUserOptionsCache( $this );
			$services->getTalkPageNotificationManager()->clearInstanceCache( $this );
			$services->getUserGroupManager()->clearCache( $this );
			$services->getUserEditTracker()->clearUserEditCache( $this );
			}

			if ( $reloadFrom ) {
			$this->mLoadedItems = [];
			$this->mFrom = $reloadFrom;
			}
			}

			/**
			* Get blocking information
			*
			* TODO: Move this into the BlockManager, along with block-related properties.
			*
			* @param bool $fromReplica 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 primary DB.
			* @param bool $disableIpBlockExemptChecking This is used internally to prevent
			* a infinite recursion with autopromote. See T270145.
			*/
			private function getBlockedStatus( $fromReplica = true, $disableIpBlockExemptChecking = false ) {
			if ( $this->mBlockedby != -1 ) {
			return;
			}

			wfDebug( __METHOD__ . ": checking blocked status for " . $this->getName() );

			// 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();

			// TODO: Block checking shouldn't really be done from the User object. Block
			// checking can involve checking for IP blocks, cookie blocks, and/or XFF blocks,
			// which need more knowledge of the request context than the User should have.
			// Since we do currently check blocks from the User, we have to do the following
			// here:
			// - Check if this is the user associated with the main request
			// - If so, pass the relevant request information to the block manager
			$request = null;
			if ( $this->isGlobalSessionUser() ) {
			// This is the global user, so we need to pass the request
			$request = $this->getRequest();
			}

			$block = MediaWikiServices::getInstance()->getBlockManager()->getUserBlock(
			$this,
			$request,
			$fromReplica,
			$disableIpBlockExemptChecking
			);

			if ( $block ) {
			$this->mBlock = $block;
			$this->mBlockedby = $block->getByName();
			$this->mBlockreason = $block->getReason();
			$this->mHideName = $block->getHideName();
			} else {
			$this->mBlock = null;
			$this->mBlockedby = '';
			$this->mBlockreason = '';
			$this->mHideName = false;
			}
			}

			/**
			* Is this user subject to rate limiting?
			*
			* @return bool True if rate limited
			*/
			public function isPingLimitable() {
			$limiter = MediaWikiServices::getInstance()->getRateLimiter();
			$subject = $this->toRateLimitSubject();
			return !$limiter->isExempt( $subject );
			}

			/**
			* 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
			* @throws MWException
			*/
			public function pingLimiter( $action = 'edit', $incrBy = 1 ) {
			$limiter = MediaWikiServices::getInstance()->getRateLimiter();
			$subject = $this->toRateLimitSubject();
			return $limiter->limit( $subject, $action, $incrBy );
			}

			private function toRateLimitSubject(): RateLimitSubject {
			$flags = [
			'exempt' => $this->isAllowed( 'noratelimit' ),
			'newbie' => $this->isNewbie(),
			];
			return new RateLimitSubject( $this, $this->getRequest()->getIP(), $flags );
			}

			/**
			* Check if user is blocked
			*
			* @deprecated since 1.34, use User::getBlock() or
			* Authority:getBlock() or Authority:definitelyCan() or
			* Authority:authorizeRead() or Authority:authorizeWrite() or
			* PermissionManager::isBlockedFrom(), as appropriate.
			*
			* @param bool $fromReplica Whether to check the replica DB instead of
			* the primary DB. Hacked from false due to horrible probs on site.
			* @return bool True if blocked, false otherwise
			*/
			public function isBlocked( $fromReplica = true ) {
			return $this->getBlock( $fromReplica ) !== null;
			}

			/**
			* Get the block affecting the user, or null if the user is not blocked
			*
			* @param int\|bool $freshness One of the Authority::READ_XXX constants.
			* For backwards compatibility, a boolean is also accepted,
			* with true meaning READ_NORMAL and false meaning
			* READ_LATEST.
			* @param bool $disableIpBlockExemptChecking This is used internally to prevent
			* a infinite recursion with autopromote. See T270145.
			*
			* @return ?AbstractBlock
			*/
			public function getBlock(
			$freshness = self::READ_NORMAL,
			$disableIpBlockExemptChecking = false
			): ?Block {
			if ( is_bool( $freshness ) ) {
			$fromReplica = $freshness;
			} else {
			$fromReplica = ( $freshness !== self::READ_LATEST );
			}

			$this->getBlockedStatus( $fromReplica, $disableIpBlockExemptChecking );
			return $this->mBlock instanceof AbstractBlock ? $this->mBlock : null;
			}

			/**
			* Check if user is blocked from editing a particular article
			*
			* @param PageIdentity $title Title to check
			* @param bool $fromReplica Whether to check the replica DB instead of the primary DB
			* @return bool
			*
			* @deprecated since 1.33,
			* use MediaWikiServices::getInstance()->getPermissionManager()->isBlockedFrom(..)
			*
			*/
			public function isBlockedFrom( $title, $fromReplica = false ) {
			return MediaWikiServices::getInstance()->getPermissionManager()
			->isBlockedFrom( $this, $title, $fromReplica );
			}

			/**
			* If user is blocked, return the specified reason for the block.
			*
			* @deprecated since 1.35 Use AbstractBlock::getReasonComment instead
			* Hard deprecated since 1.39.
			* @return string Blocking reason
			*/
			public function blockedFor() {
			wfDeprecated( __METHOD__, '1.35' );
			$this->getBlockedStatus();
			return $this->mBlockreason;
			}

			/**
			* 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 AbstractBlock;
			}

			/**
			* 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 AbstractBlock\|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 ( IPUtils::isIPAddress( $this->getName() ) ) {
			$ip = $this->getName();
			} elseif ( !$ip ) {
			$ip = $this->getRequest()->getIP();
			}
			$blocked = false;
			$block = null;
			$this->getHookRunner()->onUserIsBlockedGlobally( $this, $ip, $blocked, $block );

			if ( $blocked && $block === null ) {
			// back-compat: UserIsBlockedGlobally didn't have $block param first
			$block = new SystemBlock( [
			'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;
			}
			// Reset for hook
			$this->mLocked = false;
			$this->getHookRunner()->onUserIsLocked( $this, $this->mLocked );
			return $this->mLocked;
			}

			/**
			* Check if user account is hidden
			*
			* @return bool True if hidden, false otherwise
			*/
			public function isHidden() {
			if ( $this->mHideName !== null ) {
			return (bool)$this->mHideName;
			}
			$this->getBlockedStatus();
			return (bool)$this->mHideName;
			}

			/**
			* Get the user's ID.
			* @param string\|false $wikiId The wiki ID expected by the caller.
			* @return int The user's ID; 0 if the user is anonymous or nonexistent
			*/
			public function getId( $wikiId = self::LOCAL ): int {
			$this->assertWiki( $wikiId );
			if ( $this->mId === null && $this->mName !== null ) {
			$userNameUtils = MediaWikiServices::getInstance()->getUserNameUtils();
			if ( $userNameUtils->isIP( $this->mName ) \|\| ExternalUserNames::isExternal( $this->mName ) ) {
			// Special case, we know the user is anonymous
			// Note that "external" users are "local" (they have an actor ID that is relative to
			// the local wiki).
			return 0;
			}
			}

			if ( !$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(): string {
			if ( $this->isItemLoaded( 'name', 'only' ) ) {
			// Special case optimisation
			return $this->mName;
			}

			$this->load();
			if ( $this->mName === false ) {
			// Clean up IPs
			$this->mName = IPUtils::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
			* @note This method was removed from the UserIdentity interface in 1.36,
			* but remains supported in the User class for now.
			* New code should use ActorNormalization::findActorId() or
			* ActorNormalization::acquireActorId() instead.
			* @param IDatabase\|string\|false $dbwOrWikiId Deprecated since 1.36.
			* If a database connection is passed, a new actor ID is assigned if needed.
			* ActorNormalization::acquireActorId() should be used for that purpose instead.
			* @return int The actor's ID, or 0 if no actor ID exists and $dbw was null
			* @throws PreconditionException if $dbwOrWikiId is a string and does not match the local wiki
			*/
			public function getActorId( $dbwOrWikiId = self::LOCAL ): int {
			if ( $dbwOrWikiId ) {
			wfDeprecatedMsg( 'Passing a parameter to getActorId() is deprecated', '1.36' );
			}

			if ( is_string( $dbwOrWikiId ) ) {
			$this->assertWiki( $dbwOrWikiId );
			}

			if ( !$this->isItemLoaded( 'actor' ) ) {
			$this->load();
			}

			if ( !$this->mActorId && $dbwOrWikiId instanceof IDatabase ) {
			MediaWikiServices::getInstance()
			->getActorStoreFactory()
			->getActorNormalization( $dbwOrWikiId->getDomainID() )
			->acquireActorId( $this, $dbwOrWikiId );
			// acquireActorId will call setActorId on $this
			Assert::postcondition(
			$this->mActorId !== null,
			"Failed to acquire actor ID for user id {$this->mId} name {$this->mName}"
			);
			}

			return (int)$this->mActorId;
			}

			/**
			* Sets the actor id.
			* For use by ActorStore only.
			* Should be removed once callers of getActorId() have been migrated to using ActorNormalization.
			*
			* @internal
			* @deprecated since 1.36
			* @param int $actorId
			*/
			public function setActorId( int $actorId ) {
			$this->mActorId = $actorId;
			$this->setItemLoaded( 'actor' );
			}

			/**
			* Get the user's name escaped by underscores.
			* @return string Username escaped by underscores.
			*/
			public function getTitleKey() {
			return str_replace( ' ', '_', $this->getName() );
			}

			/**
			* 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() {
			$time = (int)ConvertibleTimestamp::now( TS_UNIX );
			if ( $this->mTouched ) {
			$time = max( $time, (int)ConvertibleTimestamp::convert( TS_UNIX, $this->mTouched ) + 1 );
			}

			return ConvertibleTimestamp::convert( TS_MW, $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 or 'changed' to clear before DB commit
			*/
			public function clearSharedCache( $mode = 'refresh' ) {
			if ( !$this->getId() ) {
			return;
			}

			$lb = MediaWikiServices::getInstance()->getDBLoadBalancer();
			$cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
			$key = $this->getCacheKey( $cache );

			if ( $mode === 'refresh' ) {
			$cache->delete( $key, 1 ); // low tombstone/"hold-off" TTL
			} else {
			$lb->getConnectionRef( DB_PRIMARY )->onTransactionPreCommitOrIdle(
			static function () use ( $cache, $key ) {
			$cache->delete( $key );
			},
			__METHOD__
			);
			}
			}

			/**
			* Immediately touch the user data cache for this account
			*
			* Calls touch() and removes account data from memcached
			*/
			public function invalidateCache() {
			$this->touch();
			$this->clearSharedCache( 'changed' );
			}

			/**
			* 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;
			}

			/**
			* 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 = MediaWikiServices::getInstance()->getAuthManager();
			$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 ) {
			$authenticationTokenVersion = MediaWikiServices::getInstance()
			->getMainConfig()->get( MainConfigNames::AuthenticationTokenVersion );

			$this->load();
			if ( !$this->mToken && $forceCreation ) {
			$this->setToken();
			}

			if ( !$this->mToken ) {
			// The user doesn't have a token, return null to indicate that.
			return null;
			}

			if ( $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 );
			}

			if ( $authenticationTokenVersion === null ) {
			// $wgAuthenticationTokenVersion not in use, so return the raw secret
			return $this->mToken;
			}

			// $wgAuthenticationTokenVersion in use, so hmac it.
			$ret = MWCryptHash::hmac( $authenticationTokenVersion, $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 ( $this->mToken === self::INVALID_TOKEN ) {
			LoggerFactory::getInstance( 'session' )
			->debug( __METHOD__ . ": Ignoring attempt to set token for system user \"$this\"" );
			} elseif ( !$token ) {
			$this->mToken = MWCryptRand::generateHex( self::TOKEN_LENGTH );
			} else {
			$this->mToken = $token;
			}
			}

			/**
			* Get the user's e-mail address
			* @return string User's email address
			*/
			public function getEmail(): string {
			$this->load();
			$email = $this->mEmail;
			$this->getHookRunner()->onUserGetEmail( $this, $email );
			// In case a hook handler returns e.g. null
			$this->mEmail = is_string( $email ) ? $email : '';
			return $this->mEmail;
			}

			/**
			* Get the timestamp of the user's e-mail authentication
			* @return string TS_MW timestamp
			*/
			public function getEmailAuthenticationTimestamp() {
			$this->load();
			$this->getHookRunner()->onUserGetEmailAuthenticationTimestamp(
			$this, $this->mEmailAuthenticated );
			return $this->mEmailAuthenticated;
			}

			/**
			* Set the user's e-mail address
			* @param string $str New e-mail address
			*/
			public function setEmail( string $str ) {
			$this->load();
			if ( $str == $this->getEmail() ) {
			return;
			}
			$this->invalidateEmail();
			$this->mEmail = $str;
			$this->getHookRunner()->onUserSetEmail( $this, $this->mEmail );
			}

			/**
			* Set the user's e-mail address and send a confirmation mail if needed.
			*
			* @since 1.20
			* @param string $str New e-mail address
			* @return Status
			*/
			public function setEmailWithConfirmation( string $str ) {
			$config = MediaWikiServices::getInstance()->getMainConfig();
			$enableEmail = $config->get( MainConfigNames::EnableEmail );

			if ( !$enableEmail ) {
			return Status::newFatal( 'emaildisabled' );
			}

			$oldaddr = $this->getEmail();
			if ( $str === $oldaddr ) {
			return Status::newGood( true );
			}

			$type = $oldaddr != '' ? 'changed' : 'set';
			$notificationResult = null;

			$emailAuthentication = $config->get( MainConfigNames::EmailAuthentication );

			if ( $emailAuthentication && $type === 'changed' ) {
			// Send the user an email notifying the user of the change in registered
			// email address on their previous email address
			$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 !== '' && $emailAuthentication ) {
			// 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(): string {
			if ( !$this->isItemLoaded( 'realname' ) ) {
			$this->load();
			}

			return $this->mRealName;
			}

			/**
			* Set the user's real name
			* @param string $str New real name
			*/
			public function setRealName( string $str ) {
			$this->load();
			$this->mRealName = $str;
			}

			/**
			* Get the user's current setting for a given option.
			*
			* @param string $oname The option to check
			* @param mixed\|null $defaultOverride A default value returned if the option does not exist.
			* Default values set via $wgDefaultUserOptions / UserGetDefaultOptions take precedence.
			* @param bool $ignoreHidden Whether to ignore the effects of $wgHiddenPrefs
			* @return mixed\|null User's current value for the option
			* @deprecated since 1.35 Hard-deprecated since 1.39.
			* Use UserOptionsLookup::getOption instead.
			*/
			public function getOption( $oname, $defaultOverride = null, $ignoreHidden = false ) {
			wfDeprecated( __METHOD__, '1.35' );
			if ( $oname === null ) {
			return null; // b/c
			}
			return MediaWikiServices::getInstance()
			->getUserOptionsLookup()
			->getOption( $this, $oname, $defaultOverride, $ignoreHidden );
			}

			/**
			* 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 ) {
			$hiddenPrefs =
			MediaWikiServices::getInstance()->getMainConfig()->get( MainConfigNames::HiddenPrefs );

			$id = $this->getId();
			if ( !$id \|\| in_array( $oname, $hiddenPrefs ) ) {
			return false;
			}

			$userOptionsLookup = MediaWikiServices::getInstance()
			->getUserOptionsLookup();
			$token = $userOptionsLookup->getOption( $this, (string)$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 UserOptionsManager::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 UserOptionsManager::setOption
			*/
			public function resetTokenFromOption( $oname ) {
			$hiddenPrefs =
			MediaWikiServices::getInstance()->getMainConfig()->get( MainConfigNames::HiddenPrefs );
			if ( in_array( $oname, $hiddenPrefs ) ) {
			return false;
			}

			$token = MWCryptRand::generateHex( 40 );
			MediaWikiServices::getInstance()
			->getUserOptionsManager()
			->setOption( $this, $oname, $token );
			return $token;
			}

			/**
			* Get the user's preferred date format.
			* @return string User's preferred date format
			*/
			public function getDatePreference() {
			// Important migration for old data rows
			if ( $this->mDatePreference === null ) {
			global $wgLang;
			$userOptionsLookup = MediaWikiServices::getInstance()
			->getUserOptionsLookup();
			$value = $userOptionsLookup->getOption( $this, '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() {
			if ( !$this->isRegistered() ) {
			return false;
			}

			$services = MediaWikiServices::getInstance();
			$config = $services->getMainConfig();
			if ( $config->get( MainConfigNames::ForceHTTPS ) ) {
			return true;
			}
			if ( !$config->get( MainConfigNames::SecureLogin ) ) {
			return false;
			}
			return $services->getUserOptionsLookup()
			->getBoolOption( $this, 'prefershttps' );
			}

			/**
			* Get the list of explicit group memberships this user has.
			* The implicit * and user groups are not included.
			*
			* @deprecated since 1.35 Use UserGroupManager::getUserGroups instead.
			*
			* @return string[] Array of internal group names (sorted since 1.33)
			*/
			public function getGroups() {
			return MediaWikiServices::getInstance()
			->getUserGroupManager()
			->getUserGroups( $this, $this->queryFlagsUsed );
			}

			/**
			* Get the list of explicit group memberships this user has, stored as
			* UserGroupMembership objects. Implicit groups are not included.
			*
			* @deprecated since 1.35 Use UserGroupManager::getUserGroupMemberships instead
			*
			* @return UserGroupMembership[] Associative array of (group name => UserGroupMembership object)
			* @since 1.29
			*/
			public function getGroupMemberships() {
			return MediaWikiServices::getInstance()
			->getUserGroupManager()
			->getUserGroupMemberships( $this, $this->queryFlagsUsed );
			}

			/**
			* Get the user's edit count.
			* @return int\|null Null for anonymous users
			*/
			public function getEditCount() {
			return MediaWikiServices::getInstance()
			->getUserEditTracker()
			->getUserEditCount( $this );
			}

			/**
			* 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.)
			*
			* @deprecated since 1.35 Use UserGroupManager::addUserToGroup instead
			*
			* @param string $group Name of the group to add
			* @param string\|null $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 ) {
			return MediaWikiServices::getInstance()
			->getUserGroupManager()
			->addUserToGroup( $this, $group, $expiry, true );
			}

			/**
			* Remove the user from the given group.
			* This takes immediate effect.
			*
			* @deprecated since 1.35 Use UserGroupManager::removeUserFromGroup instead.
			*
			* @param string $group Name of the group to remove
			* @return bool
			*/
			public function removeGroup( $group ) {
			return MediaWikiServices::getInstance()
			->getUserGroupManager()
			->removeUserFromGroup( $this, $group );
			}

			/**
			* Get whether the user is registered.
			*
			* @return bool True if user is registered on this wiki, i.e., has a user ID. False if user is
			* anonymous or has no local account (which can happen when importing). This is equivalent to
			* getId() != 0 and is provided for code readability.
			* @since 1.34
			*/
			public function isRegistered(): bool {
			return $this->getId() != 0;
			}

			/**
			* Get whether the user is anonymous
			* @return bool
			*/
			public function isAnon() {
			return !$this->isRegistered();
			}

			/**
			* @return bool Whether this user is flagged as being a bot role account
			* @since 1.28
			*/
			public function isBot() {
			$userGroupManager = MediaWikiServices::getInstance()->getUserGroupManager();
			if ( in_array( 'bot', $userGroupManager->getUserGroups( $this ) ) && $this->isAllowed( 'bot' ) ) {
			return true;
			}

			$isBot = false;
			$this->getHookRunner()->onUserIsBot( $this, $isBot );

			return $isBot;
			}

			/**
			* Get whether the user is a system user
			*
			* 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.
			*
			* @return bool Whether this user is a system user
			* @since 1.35
			*/
			public function isSystemUser() {
			$this->load();
			if ( $this->getEmail() \|\| $this->mToken !== self::INVALID_TOKEN \|\|
			MediaWikiServices::getInstance()->getAuthManager()->userCanAuthenticate( $this->mName )
			) {
			return false;
			}
			return true;
			}

			public function isAllowedAny( ...$permissions ): bool {
			return $this->getThisAsAuthority()->isAllowedAny( ...$permissions );
			}

			public function isAllowedAll( ...$permissions ): bool {
			return $this->getThisAsAuthority()->isAllowedAll( ...$permissions );
			}

			public function isAllowed( string $permission ): bool {
			return $this->getThisAsAuthority()->isAllowed( $permission );
			}

			/**
			* Check whether to enable recent changes patrol features for this user
			* @return bool True or false
			*/
			public function useRCPatrol() {
			$useRCPatrol =
			MediaWikiServices::getInstance()->getMainConfig()->get( MainConfigNames::UseRCPatrol );
			return $useRCPatrol && $this->isAllowedAny( 'patrol', 'patrolmarks' );
			}

			/**
			* Check whether to enable new pages patrol features for this user
			* @return bool True or false
			*/
			public function useNPPatrol() {
			$useRCPatrol =
			MediaWikiServices::getInstance()->getMainConfig()->get( MainConfigNames::UseRCPatrol );
			$useNPPatrol =
			MediaWikiServices::getInstance()->getMainConfig()->get( MainConfigNames::UseNPPatrol );
			return (
			( $useRCPatrol \|\| $useNPPatrol )
			&& ( $this->isAllowedAny( 'patrol', 'patrolmarks' ) )
			);
			}

			/**
			* Check whether to enable new files patrol features for this user
			* @return bool True or false
			*/
			public function useFilePatrol() {
			$useRCPatrol =
			MediaWikiServices::getInstance()->getMainConfig()->get( MainConfigNames::UseRCPatrol );
			$useFilePatrol = MediaWikiServices::getInstance()->getMainConfig()
			->get( MainConfigNames::UseFilePatrol );
			return (
			( $useRCPatrol \|\| $useFilePatrol )
			&& ( $this->isAllowedAny( 'patrol', 'patrolmarks' ) )
			);
			}

			/**
			* Get the WebRequest object to use with this object
			*
			* @return WebRequest
			*/
			public function getRequest() {
			if ( $this->mRequest ) {
			return $this->mRequest;
			}
			return RequestContext::getMain()->getRequest();
			}

			/**
			* Compute experienced level based on edit count and registration date.
			*
			* @return string\|false 'newcomer', 'learner', or 'experienced', false for anonymous users
			*/
			public function getExperienceLevel() {
			$mainConfig = MediaWikiServices::getInstance()->getMainConfig();
			$learnerEdits = $mainConfig->get( MainConfigNames::LearnerEdits );
			$experiencedUserEdits = $mainConfig->get( MainConfigNames::ExperiencedUserEdits );
			$learnerMemberSince = $mainConfig->get( MainConfigNames::LearnerMemberSince );
			$experiencedUserMemberSince =
			$mainConfig->get( MainConfigNames::ExperiencedUserMemberSince );
			if ( $this->isAnon() ) {
			return false;
			}

			$editCount = $this->getEditCount();
			$registration = $this->getRegistration();
			$now = time();
			$learnerRegistration = wfTimestamp( TS_MW, $now - $learnerMemberSince * 86400 );
			$experiencedRegistration = wfTimestamp( TS_MW, $now - $experiencedUserMemberSince * 86400 );
			if ( $registration === null ) {
			// for some very old accounts, this information is missing in the database
			// treat them as old enough to be 'experienced'
			$registration = $experiencedRegistration;
			}

			if ( $editCount < $learnerEdits \|\|
			$registration > $learnerRegistration ) {
			return 'newcomer';
			}

			if ( $editCount > $experiencedUserEdits &&
			$registration <= $experiencedRegistration
			) {
			return 'experienced';
			}

			return 'learner';
			}

			/**
			* Persist this user's session (e.g. set cookies)
			*
			* @param WebRequest\|null $request WebRequest object to use; the global request
			* will be used if null is passed.
			* @param bool\|null $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 ( $this->mId == 0 ) {
			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() ) {
			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 ( $this->getHookRunner()->onUserLogout( $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() ) {
			LoggerFactory::getInstance( 'session' )
			->warning( __METHOD__ . ": Cannot log out of an immutable session" );
			$error = 'immutable';
			} elseif ( !$session->getUser()->equals( $this ) ) {
			LoggerFactory::getInstance( 'session' )
			->warning( __METHOD__ .
			": Cannot log user \"$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;
			}
			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 ( MediaWikiServices::getInstance()->getReadOnlyMode()->isReadOnly() ) {
			// @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 ( $this->mId == 0 ) {
			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_PRIMARY );
			$dbw->doAtomicSection( __METHOD__, function ( IDatabase $dbw, $fname ) use ( $newTouched ) {
			$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 ) ? 'primary' : 'replica';
			LoggerFactory::getInstance( 'preferences' )->warning(
			"CAS update failed on user_touched for user ID '{user_id}' ({db_flag} read)",
			[ 'user_id' => $this->mId, 'db_flag' => $from ]
			);
			throw new MWException( "CAS update failed on user_touched. " .
			"The version of the user to be saved is older than the current version."
			);
			}

			$dbw->update(
			'actor',
			[ 'actor_name' => $this->mName ],
			[ 'actor_user' => $this->mId ],
			$fname
			);
			MediaWikiServices::getInstance()->getActorStore()->deleteUserIdentityFromCache( $this );
			} );

			$this->mTouched = $newTouched;
			MediaWikiServices::getInstance()->getUserOptionsManager()->saveOptionsInternal( $this, $dbw );

			$this->getHookRunner()->onUserSaveSettings( $this );
			$this->clearSharedCache( 'changed' );
			$hcu = MediaWikiServices::getInstance()->getHtmlCacheUpdater();
			$hcu->purgeTitleUrls( $this->getUserPage(), $hcu::PURGE_INTENT_TXROUND_REFLECTED );
			}

			/**
			* 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 = self::READ_NORMAL ) {
			$s = trim( $this->getName() );
			if ( $s === '' ) {
			return 0;
			}

			[ $index, $options ] = DBAccessObjectUtils::getDBOptions( $flags );
			$db = wfGetDB( $index );

			$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 = [] ) {
			return self::insertNewUser( static function ( UserIdentity $actor, IDatabase $dbw ) {
			return MediaWikiServices::getInstance()->getActorStore()->createNewActor( $actor, $dbw );
			}, $name, $params );
			}

			/**
			* See ::createNew
			* @param callable $insertActor ( UserIdentity $actor, IDatabase $dbw ): int actor ID,
			* @param string $name
			* @param array $params
			* @return User\|null
			*/
			private static function insertNewUser( callable $insertActor, $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'] ) ) {
			MediaWikiServices::getInstance()
			->getUserOptionsManager()
			->loadUserOptions( $user, $user->queryFlagsUsed, $params['options'] );
			unset( $params['options'] );
			}
			$dbw = wfGetDB( DB_PRIMARY );

			$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 ( IDatabase $dbw, $fname ) use ( $fields, $insertActor ) {
			$dbw->insert( 'user', $fields, $fname, [ 'IGNORE' ] );
			if ( $dbw->affectedRows() ) {
			$newUser = self::newFromId( $dbw->insertId() );
			$newUser->mName = $fields['user_name'];
			// Don't pass $this, since calling ::getId, ::getName might force ::load
			// and this user might not be ready for the yet.
			$newUser->mActorId = $insertActor( new UserIdentityValue( $newUser->mId, $newUser->mName ), $dbw );
			// Load the user from primary DB to avoid replica lag
			$newUser->load( self::READ_LATEST );
			} 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->isRegistered() ) {
			* $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 isRegistered(),
			* 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_PRIMARY );
			$status = $dbw->doAtomicSection( __METHOD__, function ( IDatabase $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 ],
			$fname,
			[ 'LOCK IN SHARE MODE' ]
			);
			$loaded = false;
			if ( $this->mId && $this->loadFromDatabase( IDBAccessObject::READ_LOCKING ) ) {
			$loaded = true;
			}
			if ( !$loaded ) {
			throw new MWException( $fname . ": hit a key conflict attempting " .
			"to insert user '{$this->mName}' row, but it was not present in select!" );
			}
			return Status::newFatal( 'userexists' );
			}
			$this->mId = $dbw->insertId();

			// Don't pass $this, since calling ::getId, ::getName might force ::load
			// and this user might not be ready for the yet.
			$this->mActorId = MediaWikiServices::getInstance()
			->getActorNormalization()
			->acquireActorId( new UserIdentityValue( $this->mId, $this->mName ), $dbw );
			return Status::newGood();
			} );
			if ( !$status->isGood() ) {
			return $status;
			}

			// Clear instance cache other than user table data and actor, which is already accurate
			$this->clearInstanceCache();

			MediaWikiServices::getInstance()->getUserOptionsManager()->saveOptions( $this );
			return Status::newGood();
			}

			/**
			* 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->isRegistered() && $this->getBlock() ) {
			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__ . "()" );
			$this->load();
			if ( $this->mId == 0 ) {
			return false;
			}

			$userblock = DatabaseBlock::newFromTarget( $this->getName() );
			if ( !$userblock ) {
			return false;
			}

			return (bool)$userblock->doAutoblock( $this->getRequest()->getIP() );
			}

			/**
			* Get whether the user is explicitly blocked from account creation.
			* @deprecated since 1.37. Instead use Authority::authorize* for createaccount permission.
			* @return bool\|AbstractBlock
			*/
			public function isBlockedFromCreateAccount() {
			$this->getBlockedStatus();
			if ( $this->mBlock && $this->mBlock->appliesToRight( '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 = DatabaseBlock::newFromTarget(
			null, $this->getRequest()->getIP()
			);
			}
			return $this->mBlockedFromCreateAccount instanceof AbstractBlock
			&& $this->mBlockedFromCreateAccount->appliesToRight( '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->appliesToRight( 'sendemail' );
			}

			/**
			* Get whether the user is blocked from using Special:Upload
			*
			* @since 1.33
			* @return bool
			*/
			public function isBlockedFromUpload() {
			$this->getBlockedStatus();
			return $this->mBlock && $this->mBlock->appliesToRight( 'upload' );
			}

			/**
			* 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
			*/
			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' );
			}

			/**
			* 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
			* @deprecated since 1.37. Use CsrfTokenSet::getToken instead
			* @param string\|string[] $salt Optional function-specific data for hashing
			* @param WebRequest\|null $request WebRequest object to use, or null to use the global request
			* @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
			* @deprecated since 1.37. Use CsrfTokenSet::getToken instead
			* @param string\|string[] $salt Optional function-specific data for hashing
			* @param WebRequest\|null $request WebRequest object to use, or null to use the global request
			* @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.
			*
			* @deprecated since 1.37. Use CsrfTokenSet::matchToken instead
			* @param string\|null $val Input value to compare
			* @param string\|array $salt Optional function-specific data for hashing
			* @param WebRequest\|null $request Object to use, or null to use the global request
			* @param int\|null $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 );
			}

			/**
			* 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';
			$type = 'created';
			} elseif ( $type === true ) {
			$message = 'confirmemail_body_changed';
			$type = 'changed';
			} else {
			// Messages: confirmemail_body_changed, confirmemail_body_set
			$message = 'confirmemail_body_' . $type;
			}

			$mail = [
			'subject' => wfMessage( 'confirmemail_subject' )->text(),
			'body' => wfMessage( $message,
			$this->getRequest()->getIP(),
			$this->getName(),
			$url,
			$wgLang->userTimeAndDate( $expiration, $this ),
			$invalidateURL,
			$wgLang->userDate( $expiration, $this ),
			$wgLang->userTime( $expiration, $this ) )->text(),
			'from' => null,
			'replyTo' => null,
			];
			$info = [
			'type' => $type,
			'ip' => $this->getRequest()->getIP(),
			'confirmURL' => $url,
			'invalidateURL' => $invalidateURL,
			'expiration' => $expiration
			];

			$this->getHookRunner()->onUserSendConfirmationMail( $this, $mail, $info );
			return $this->sendMail( $mail['subject'], $mail['body'], $mail['from'], $mail['replyTo'] );
			}

			/**
			* 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 MailAddress\|null $replyto Reply-To address
			* @return Status
			*/
			public function sendMail( $subject, $body, $from = null, $replyto = null ) {
			$passwordSender = MediaWikiServices::getInstance()->getMainConfig()
			->get( MainConfigNames::PasswordSender );

			if ( $from instanceof User ) {
			$sender = MailAddress::newFromUser( $from );
			} else {
			$sender = new MailAddress( $passwordSender,
			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 &$expiration Accepts the expiration time @phan-output-reference
			* @return string New token
			*/
			protected function confirmationToken( &$expiration ) {
			$userEmailConfirmationTokenExpiry = MediaWikiServices::getInstance()
			->getMainConfig()->get( MainConfigNames::UserEmailConfirmationTokenExpiry );
			$now = time();
			$expires = $now + $userEmailConfirmationTokenExpiry;
			$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 really 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() );
			$this->getHookRunner()->onConfirmEmailComplete( $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 = '';
			$this->getHookRunner()->onInvalidateEmailComplete( $this );
			return true;
			}

			/**
			* Set the e-mail authentication timestamp.
			* @param string\|null $timestamp TS_MW timestamp
			*/
			public function setEmailAuthenticationTimestamp( $timestamp ) {
			$this->load();
			$this->mEmailAuthenticated = $timestamp;
			$this->getHookRunner()->onUserSetEmailAuthenticationTimestamp(
			$this, $this->mEmailAuthenticated );
			}

			/**
			* Is this user allowed to send e-mails within limits of current
			* site configuration?
			* @return bool
			*/
			public function canSendEmail() {
			$enableEmail = MediaWikiServices::getInstance()->getMainConfig()
			->get( MainConfigNames::EnableEmail );
			$enableUserEmail = MediaWikiServices::getInstance()->getMainConfig()
			->get( MainConfigNames::EnableUserEmail );
			if ( !$enableEmail \|\| !$enableUserEmail \|\| !$this->isAllowed( 'sendemail' ) ) {
			return false;
			}
			$hookErr = $this->isEmailConfirmed();
			$this->getHookRunner()->onUserCanSendEmail( $this, $hookErr );
			return $hookErr;
			}

			/**
			* Is this user allowed to receive e-mails within limits of current
			* site configuration?
			* @return bool
			*/
			public function canReceiveEmail() {
			$userOptionsLookup = MediaWikiServices::getInstance()
			->getUserOptionsLookup();
			return $this->isEmailConfirmed() && !$userOptionsLookup->getOption( $this, '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(): bool {
			$emailAuthentication = MediaWikiServices::getInstance()->getMainConfig()
			->get( MainConfigNames::EmailAuthentication );
			$this->load();
			// Avoid PHP 7.1 warning of passing $this by reference
			$user = $this;
			$confirmed = true;
			if ( $this->getHookRunner()->onEmailConfirmed( $user, $confirmed ) ) {
			if ( $this->isAnon() ) {
			return false;
			}
			if ( !Sanitizer::validateEmail( $this->getEmail() ) ) {
			return false;
			}
			if ( $emailAuthentication && !$this->getEmailAuthenticationTimestamp() ) {
			return false;
			}
			return true;
			}

			return $confirmed;
			}

			/**
			* Check whether there is an outstanding request for e-mail confirmation.
			* @return bool
			*/
			public function isEmailConfirmationPending() {
			$emailAuthentication = MediaWikiServices::getInstance()->getMainConfig()
			->get( MainConfigNames::EmailAuthentication );
			return $emailAuthentication &&
			!$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 permissions associated with a given list of groups
			*
			* @deprecated since 1.34, use GroupPermissionsLookup::getGroupPermissions() instead in 1.36+,
			* or PermissionManager::getGroupPermissions() in 1.34 and 1.35
			*
			* @param string[] $groups internal group names
			* @return string[] permission key names for given groups combined
			*/
			public static function getGroupPermissions( $groups ) {
			return MediaWikiServices::getInstance()->getGroupPermissionsLookup()->getGroupPermissions( $groups );
			}

			/**
			* Get all the groups who have a given permission
			*
			* @deprecated since 1.34, use GroupPermissionsLookup::getGroupsWithPermission() instead in 1.36+,
			* or PermissionManager::getGroupsWithPermission() in 1.34 and 1.35
			*
			* @param string $role Role to check
			* @return string[] internal group names with the given permission
			*/
			public static function getGroupsWithPermission( $role ) {
			return MediaWikiServices::getInstance()->getGroupPermissionsLookup()->getGroupsWithPermission( $role );
			}

			/**
			* Check, if the given group has the given permission
			*
			* If you're wanting to check whether all users have a permission, use
			* PermissionManager::isEveryoneAllowed() instead. That properly checks if it's revoked
			* from anyone.
			*
			* @deprecated since 1.34, use GroupPermissionsLookup::groupHasPermission() instead in 1.36+,
			* or PermissionManager::groupHasPermission() in 1.34 and 1.35
			*
			* @since 1.21
			* @param string $group Group to check
			* @param string $role Role to check
			* @return bool
			*/
			public static function groupHasPermission( $group, $role ) {
			return MediaWikiServices::getInstance()->getGroupPermissionsLookup()
			->groupHasPermission( $group, $role );
			}

			/**
			* 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.
			* @deprecated since 1.35, use UserGroupManager::listAllGroups instead
			* @return string[] internal group names
			*/
			public static function getAllGroups() {
			return MediaWikiServices::getInstance()
			->getUserGroupManager()
			->listAllGroups();
			}

			/**
			* @deprecated since 1.35, use UserGroupManager::listAllImplicitGroups() instead
			* @return string[] internal group names
			*/
			public static function getImplicitGroups() {
			return MediaWikiServices::getInstance()
			->getUserGroupManager()
			->listAllImplicitGroups();
			}

			/**
			* Schedule a deferred update to update the user's edit count
			* @deprecated since 1.37
			*/
			public function incEditCount() {
			MediaWikiServices::getInstance()->getUserEditTracker()->incrementUserEditCount( $this );
			}

			/**
			* 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();
			}

			/**
			* 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 `$table` to `IDatabase->select()` or `SelectQueryBuilder::tables`
			* - fields: (string[]) to include in the `$vars` to `IDatabase->select()` or `SelectQueryBuilder::fields`
			* - joins: (array) to include in the `$join_conds` to `IDatabase->select()` or `SelectQueryBuilder::joinConds`
			* @phan-return array{tables:string[],fields:string[],joins:array}
			*/
			public static function getQueryInfo() {
			$ret = [
			'tables' => [ 'user', 'user_actor' => 'actor' ],
			'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',
			'user_actor.actor_id',
			],
			'joins' => [
			'user_actor' => [ '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
			*/
			public static function newFatalPermissionDeniedStatus( $permission ) {
			global $wgLang;

			$groups = [];
			foreach ( MediaWikiServices::getInstance()
			->getGroupPermissionsLookup()
			->getGroupsWithPermission( $permission ) as $group ) {
			$groups[] = UserGroupMembership::getLink( $group, RequestContext::getMain(), 'wiki' );
			}

			if ( $groups ) {
			return Status::newFatal( 'badaccess-groups', $wgLang->commaList( $groups ), count( $groups ) );
			}

			return Status::newFatal( 'badaccess-group0' );
			}

			/**
			* Get a new instance of this user that was loaded from the primary DB 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 primary DB 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( IDBAccessObject::READ_EXCLUSIVE ) ) {
			return null;
			}

			return $user;
			}

			/**
			* Checks if two user objects point to the same user.
			*
			* @since 1.25 ; takes a UserIdentity instead of a User since 1.32
			* @param UserIdentity\|null $user
			* @return bool
			*/
			public function equals( ?UserIdentity $user ): bool {
			if ( !$user ) {
			return false;
			}
			// XXX it's not clear whether central ID providers are supposed to obey this
			return $this->getName() === $user->getName();
			}

			/**
			* @note This is only here for compatibility with the Authority interface.
			* @since 1.36
			* @return UserIdentity $this
			*/
			public function getUser(): UserIdentity {
			return $this;
			}

			/**
			* @since 1.36
			* @param string $action
			* @param PageIdentity $target
			* @param PermissionStatus\|null $status
			* @return bool
			*/
			public function probablyCan( string $action, PageIdentity $target, PermissionStatus $status = null ): bool {
			return $this->getThisAsAuthority()->probablyCan( $action, $target, $status );
			}

			/**
			* @since 1.36
			* @param string $action
			* @param PageIdentity $target
			* @param PermissionStatus\|null $status
			* @return bool
			*/
			public function definitelyCan( string $action, PageIdentity $target, PermissionStatus $status = null ): bool {
			return $this->getThisAsAuthority()->definitelyCan( $action, $target, $status );
			}

			/**
			* @since 1.36
			* @param string $action
			* @param PageIdentity $target
			* @param PermissionStatus\|null $status
			* @return bool
			*/
			public function authorizeRead( string $action, PageIdentity $target, PermissionStatus $status = null
			): bool {
			return $this->getThisAsAuthority()->authorizeRead( $action, $target, $status );
			}

			/**
			* @since 1.36
			* @param string $action
			* @param PageIdentity $target
			* @param PermissionStatus\|null $status
			* @return bool
			*/
			public function authorizeWrite( string $action, PageIdentity $target, PermissionStatus $status = null ): bool {
			return $this->getThisAsAuthority()->authorizeWrite( $action, $target, $status );
			}

			/**
			* Returns the Authority of this User if it's the main request context user.
			* This is intended to exist only for the period of transition to Authority.
			* @return Authority
			*/
			private function getThisAsAuthority(): Authority {
			if ( !$this->mThisAsAuthority ) {
			// TODO: For users that are not User::isGlobalSessionUser,
			// creating a UserAuthority here is incorrect, since it depends
			// on global WebRequest, but that is what we've used to do before Authority.
			// When PermissionManager is refactored into Authority, we need
			// to provide base implementation, based on just user groups/rights,
			// and use it here.
			$this->mThisAsAuthority = new UserAuthority(
			$this,
			MediaWikiServices::getInstance()->getPermissionManager()
			);
			}
			return $this->mThisAsAuthority;
			}

			/**
			* Check whether this is the global session user.
			* @return bool
			*/
			private function isGlobalSessionUser(): bool {
			// The session user is set up towards the end of Setup.php. Until then,
			// assume it's a logged-out user.
			$sessionUser = RequestContext::getMain()->getUser();
			$globalUserName = $sessionUser->isSafeToLoad()
			? $sessionUser->getName()
			: IPUtils::sanitizeIP( $sessionUser->getRequest()->getIP() );

			return $this->getName() === $globalUserName;
			}

			/**
			* Is the user an autocreated temporary user?
			* @return bool
			*/
			public function isTemp(): bool {
			if ( $this->isTemp === null ) {
			$this->isTemp = MediaWikiServices::getInstance()->getUserNameUtils()
			->isTemp( $this->getName() );
			}
			return $this->isTemp;
			}

			/**
			* Is the user a normal non-temporary registered user?
			*
			* @return bool
			*/
			public function isNamed(): bool {
			return $this->isRegistered() && !$this->isTemp();
			}
			}

mediawiki/includes/user/User.php
70d3fb4c3a80REL1_39

User.php
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mediawiki/includes/user/User.php70d3fb4c3a80REL1_39

User.phpView Options

mediawiki/includes/user/User.php
70d3fb4c3a80REL1_39

User.php
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