SpecialUserlogin.php
1c5d667f38b5master

SpecialUserlogin.php
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			<?php
			/**
			* Implements Special:UserLogin
			*
			* 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
			* @ingroup SpecialPage
			*/

			/**
			* Implements Special:UserLogin
			*
			* @ingroup SpecialPage
			*/
			class LoginForm extends SpecialPage {
			const SUCCESS = 0;
			const NO_NAME = 1;
			const ILLEGAL = 2;
			const WRONG_PLUGIN_PASS = 3;
			const NOT_EXISTS = 4;
			const WRONG_PASS = 5;
			const EMPTY_PASS = 6;
			const RESET_PASS = 7;
			const ABORTED = 8;
			const CREATE_BLOCKED = 9;
			const THROTTLED = 10;
			const USER_BLOCKED = 11;
			const NEED_TOKEN = 12;
			const WRONG_TOKEN = 13;

			public $mAbortLoginErrorMsg = null;

			protected $mUsername;
			protected $mPassword;
			protected $mRetype;
			protected $mReturnTo;
			protected $mCookieCheck;
			protected $mPosted;
			protected $mAction;
			protected $mCreateaccount;
			protected $mCreateaccountMail;
			protected $mLoginattempt;
			protected $mRemember;
			protected $mEmail;
			protected $mDomain;
			protected $mLanguage;
			protected $mSkipCookieCheck;
			protected $mReturnToQuery;
			protected $mToken;
			protected $mStickHTTPS;
			protected $mType;
			protected $mReason;
			protected $mRealName;

			private $mTempPasswordUsed;
			private $mLoaded = false;
			private $mSecureLoginUrl;

			/** @var WebRequest */
			private $mOverrideRequest = null;

			/** @var WebRequest Effective request; set at the beginning of load */
			private $mRequest = null;

			/**
			* @param WebRequest $request
			*/
			public function __construct( $request = null ) {
			parent::__construct( 'Userlogin' );

			$this->mOverrideRequest = $request;
			}

			/**
			* Loader
			*/
			function load() {
			global $wgAuth, $wgHiddenPrefs, $wgEnableEmail;

			if ( $this->mLoaded ) {
			return;
			}
			$this->mLoaded = true;

			if ( $this->mOverrideRequest === null ) {
			$request = $this->getRequest();
			} else {
			$request = $this->mOverrideRequest;
			}
			$this->mRequest = $request;

			$this->mType = $request->getText( 'type' );
			$this->mUsername = $request->getText( 'wpName' );
			$this->mPassword = $request->getText( 'wpPassword' );
			$this->mRetype = $request->getText( 'wpRetype' );
			$this->mDomain = $request->getText( 'wpDomain' );
			$this->mReason = $request->getText( 'wpReason' );
			$this->mCookieCheck = $request->getVal( 'wpCookieCheck' );
			$this->mPosted = $request->wasPosted();
			$this->mCreateaccountMail = $request->getCheck( 'wpCreateaccountMail' )
			&& $wgEnableEmail;
			$this->mCreateaccount = $request->getCheck( 'wpCreateaccount' ) && !$this->mCreateaccountMail;
			$this->mLoginattempt = $request->getCheck( 'wpLoginattempt' );
			$this->mAction = $request->getVal( 'action' );
			$this->mRemember = $request->getCheck( 'wpRemember' );
			$this->mFromHTTP = $request->getBool( 'fromhttp', false );
			$this->mStickHTTPS = ( !$this->mFromHTTP && $request->getProtocol() === 'https' )
			\|\| $request->getBool( 'wpForceHttps', false );
			$this->mLanguage = $request->getText( 'uselang' );
			$this->mSkipCookieCheck = $request->getCheck( 'wpSkipCookieCheck' );
			$this->mToken = $this->mType == 'signup'
			? $request->getVal( 'wpCreateaccountToken' )
			: $request->getVal( 'wpLoginToken' );
			$this->mReturnTo = $request->getVal( 'returnto', '' );
			$this->mReturnToQuery = $request->getVal( 'returntoquery', '' );

			if ( $wgEnableEmail ) {
			$this->mEmail = $request->getText( 'wpEmail' );
			} else {
			$this->mEmail = '';
			}
			if ( !in_array( 'realname', $wgHiddenPrefs ) ) {
			$this->mRealName = $request->getText( 'wpRealName' );
			} else {
			$this->mRealName = '';
			}

			if ( !$wgAuth->validDomain( $this->mDomain ) ) {
			$this->mDomain = $wgAuth->getDomain();
			}
			$wgAuth->setDomain( $this->mDomain );

			# 1. When switching accounts, it sucks to get automatically logged out
			# 2. Do not return to PasswordReset after a successful password change
			# but goto Wiki start page (Main_Page) instead ( bug 33997 )
			$returnToTitle = Title::newFromText( $this->mReturnTo );
			if ( is_object( $returnToTitle )
			&& ( $returnToTitle->isSpecial( 'Userlogout' )
			\|\| $returnToTitle->isSpecial( 'PasswordReset' ) )
			) {
			$this->mReturnTo = '';
			$this->mReturnToQuery = '';
			}
			}

			function getDescription() {
			if ( $this->mType === 'signup' ) {
			return $this->msg( 'createaccount' )->text();
			} else {
			return $this->msg( 'login' )->text();
			}
			}

			/*
			* @param string\|null $subPage
			*/
			public function execute( $subPage ) {
			if ( session_id() == '' ) {
			wfSetupSession();
			}

			$this->load();

			// Check for [[Special:Userlogin/signup]]. This affects form display and
			// page title.
			if ( $subPage == 'signup' ) {
			$this->mType = 'signup';
			}
			$this->setHeaders();

			// If logging in and not on HTTPS, either redirect to it or offer a link.
			global $wgSecureLogin;
			if ( $this->mRequest->getProtocol() !== 'https' ) {
			$title = $this->getFullTitle();
			$query = array(
			'returnto' => $this->mReturnTo !== '' ? $this->mReturnTo : null,
			'returntoquery' => $this->mReturnToQuery !== '' ?
			$this->mReturnToQuery : null,
			'title' => null,
			) + $this->mRequest->getQueryValues();
			$url = $title->getFullURL( $query, false, PROTO_HTTPS );
			if ( $wgSecureLogin && wfCanIPUseHTTPS( $this->getRequest()->getIP() ) ) {
			$url = wfAppendQuery( $url, 'fromhttp=1' );
			$this->getOutput()->redirect( $url );
			// Since we only do this redir to change proto, always vary
			$this->getOutput()->addVaryHeader( 'X-Forwarded-Proto' );

			return;
			} else {
			// A wiki without HTTPS login support should set $wgServer to
			// http://somehost, in which case the secure URL generated
			// above won't actually start with https://
			if ( substr( $url, 0, 8 ) === 'https://' ) {
			$this->mSecureLoginUrl = $url;
			}
			}
			}

			if ( !is_null( $this->mCookieCheck ) ) {
			$this->onCookieRedirectCheck( $this->mCookieCheck );

			return;
			} elseif ( $this->mPosted ) {
			if ( $this->mCreateaccount ) {
			$this->addNewAccount();

			return;
			} elseif ( $this->mCreateaccountMail ) {
			$this->addNewAccountMailPassword();

			return;
			} elseif ( ( 'submitlogin' == $this->mAction ) \|\| $this->mLoginattempt ) {
			$this->processLogin();

			return;
			}
			}
			$this->mainLoginForm( '' );
			}

			/**
			* @private
			*/
			function addNewAccountMailPassword() {
			if ( $this->mEmail == '' ) {
			$this->mainLoginForm( $this->msg( 'noemailcreate' )->escaped() );

			return;
			}

			$status = $this->addNewAccountInternal();
			if ( !$status->isGood() ) {
			$error = $status->getMessage();
			$this->mainLoginForm( $error->toString() );

			return;
			}

			$u = $status->getValue();

			// Wipe the initial password and mail a temporary one
			$u->setPassword( null );
			$u->saveSettings();
			$result = $this->mailPasswordInternal( $u, false, 'createaccount-title', 'createaccount-text' );

			wfRunHooks( 'AddNewAccount', array( $u, true ) );
			$u->addNewUserLogEntry( 'byemail', $this->mReason );

			$out = $this->getOutput();
			$out->setPageTitle( $this->msg( 'accmailtitle' ) );

			if ( !$result->isGood() ) {
			$this->mainLoginForm( $this->msg( 'mailerror', $result->getWikiText() )->text() );
			} else {
			$out->addWikiMsg( 'accmailtext', $u->getName(), $u->getEmail() );
			$this->executeReturnTo( 'success' );
			}
			}

			/**
			* @private
			* @return bool
			*/
			function addNewAccount() {
			global $wgContLang, $wgUser, $wgEmailAuthentication, $wgLoginLanguageSelector;

			# Create the account and abort if there's a problem doing so
			$status = $this->addNewAccountInternal();
			if ( !$status->isGood() ) {
			$error = $status->getMessage();
			$this->mainLoginForm( $error->toString() );

			return false;
			}

			$u = $status->getValue();

			# Only save preferences if the user is not creating an account for someone else.
			if ( $this->getUser()->isAnon() ) {
			# If we showed up language selection links, and one was in use, be
			# smart (and sensible) and save that language as the user's preference
			if ( $wgLoginLanguageSelector && $this->mLanguage ) {
			$u->setOption( 'language', $this->mLanguage );
			} else {

			# Otherwise the user's language preference defaults to $wgContLang,
			# but it may be better to set it to their preferred $wgContLang variant,
			# based on browser preferences or URL parameters.
			$u->setOption( 'language', $wgContLang->getPreferredVariant() );
			}
			if ( $wgContLang->hasVariants() ) {
			$u->setOption( 'variant', $wgContLang->getPreferredVariant() );
			}
			}

			$out = $this->getOutput();

			# Send out an email authentication message if needed
			if ( $wgEmailAuthentication && Sanitizer::validateEmail( $u->getEmail() ) ) {
			$status = $u->sendConfirmationMail();
			if ( $status->isGood() ) {
			$out->addWikiMsg( 'confirmemail_oncreate' );
			} else {
			$out->addWikiText( $status->getWikiText( 'confirmemail_sendfailed' ) );
			}
			}

			# Save settings (including confirmation token)
			$u->saveSettings();

			# If not logged in, assume the new account as the current one and set
			# session cookies then show a "welcome" message or a "need cookies"
			# message as needed
			if ( $this->getUser()->isAnon() ) {
			$u->setCookies();
			$wgUser = $u;
			// This should set it for OutputPage and the Skin
			// which is needed or the personal links will be
			// wrong.
			$this->getContext()->setUser( $u );
			wfRunHooks( 'AddNewAccount', array( $u, false ) );
			$u->addNewUserLogEntry( 'create' );
			if ( $this->hasSessionCookie() ) {
			$this->successfulCreation();
			} else {
			$this->cookieRedirectCheck( 'new' );
			}
			} else {
			# Confirm that the account was created
			$out->setPageTitle( $this->msg( 'accountcreated' ) );
			$out->addWikiMsg( 'accountcreatedtext', $u->getName() );
			$out->addReturnTo( $this->getPageTitle() );
			wfRunHooks( 'AddNewAccount', array( $u, false ) );
			$u->addNewUserLogEntry( 'create2', $this->mReason );
			}

			return true;
			}

			/**
			* Make a new user account using the loaded data.
			* @private
			* @throws PermissionsError\|ReadOnlyError
			* @return Status
			*/
			public function addNewAccountInternal() {
			global $wgAuth, $wgMemc, $wgAccountCreationThrottle,
			$wgMinimalPasswordLength, $wgEmailConfirmToEdit;

			// If the user passes an invalid domain, something is fishy
			if ( !$wgAuth->validDomain( $this->mDomain ) ) {
			return Status::newFatal( 'wrongpassword' );
			}

			// If we are not allowing users to login locally, we should be checking
			// to see if the user is actually able to authenticate to the authenti-
			// cation server before they create an account (otherwise, they can
			// create a local account and login as any domain user). We only need
			// to check this for domains that aren't local.
			if ( 'local' != $this->mDomain && $this->mDomain != '' ) {
			if (
			!$wgAuth->canCreateAccounts() &&
			(
			!$wgAuth->userExists( $this->mUsername ) \|\|
			!$wgAuth->authenticate( $this->mUsername, $this->mPassword )
			)
			) {
			return Status::newFatal( 'wrongpassword' );
			}
			}

			if ( wfReadOnly() ) {
			throw new ReadOnlyError;
			}

			# Request forgery checks.
			if ( !self::getCreateaccountToken() ) {
			self::setCreateaccountToken();

			return Status::newFatal( 'nocookiesfornew' );
			}

			# The user didn't pass a createaccount token
			if ( !$this->mToken ) {
			return Status::newFatal( 'sessionfailure' );
			}

			# Validate the createaccount token
			if ( $this->mToken !== self::getCreateaccountToken() ) {
			return Status::newFatal( 'sessionfailure' );
			}

			# Check permissions
			$currentUser = $this->getUser();
			$creationBlock = $currentUser->isBlockedFromCreateAccount();
			if ( !$currentUser->isAllowed( 'createaccount' ) ) {
			throw new PermissionsError( 'createaccount' );
			} elseif ( $creationBlock instanceof Block ) {
			// Throws an ErrorPageError.
			$this->userBlockedMessage( $creationBlock );

			// This should never be reached.
			return false;
			}

			# Include checks that will include GlobalBlocking (Bug 38333)
			$permErrors = $this->getPageTitle()->getUserPermissionsErrors(
			'createaccount',
			$currentUser,
			true
			);

			if ( count( $permErrors ) ) {
			throw new PermissionsError( 'createaccount', $permErrors );
			}

			$ip = $this->getRequest()->getIP();
			if ( $currentUser->isDnsBlacklisted( $ip, true /* check $wgProxyWhitelist */ ) ) {
			return Status::newFatal( 'sorbs_create_account_reason' );
			}

			// Normalize the name so that silly things don't cause "invalid username"
			// errors. User::newFromName does some rather strict checking, rejecting
			// e.g. leading/trailing/multiple spaces.
			$title = Title::makeTitleSafe( NS_USER, $this->mUsername );
			if ( !is_object( $title ) ) {
			return Status::newFatal( 'noname' );
			}

			# Now create a dummy user ($u) and check if it is valid
			$u = User::newFromName( $title->getText(), 'creatable' );
			if ( !is_object( $u ) ) {
			return Status::newFatal( 'noname' );
			} elseif ( 0 != $u->idForName() ) {
			return Status::newFatal( 'userexists' );
			}

			if ( $this->mCreateaccountMail ) {
			# do not force a password for account creation by email
			# set invalid password, it will be replaced later by a random generated password
			$this->mPassword = null;
			} else {
			if ( $this->mPassword !== $this->mRetype ) {
			return Status::newFatal( 'badretype' );
			}

			# check for minimal password length
			$valid = $u->getPasswordValidity( $this->mPassword );
			if ( $valid !== true ) {
			if ( !is_array( $valid ) ) {
			$valid = array( $valid, $wgMinimalPasswordLength );
			}

			return call_user_func_array( 'Status::newFatal', $valid );
			}
			}

			# if you need a confirmed email address to edit, then obviously you
			# need an email address.
			if ( $wgEmailConfirmToEdit && strval( $this->mEmail ) === '' ) {
			return Status::newFatal( 'noemailtitle' );
			}

			if ( strval( $this->mEmail ) !== '' && !Sanitizer::validateEmail( $this->mEmail ) ) {
			return Status::newFatal( 'invalidemailaddress' );
			}

			# Set some additional data so the AbortNewAccount hook can be used for
			# more than just username validation
			$u->setEmail( $this->mEmail );
			$u->setRealName( $this->mRealName );

			$abortError = '';
			$abortStatus = null;
			if ( !wfRunHooks( 'AbortNewAccount', array( $u, &$abortError, &$abortStatus ) ) ) {
			// Hook point to add extra creation throttles and blocks
			wfDebug( "LoginForm::addNewAccountInternal: a hook blocked creation\n" );
			if ( $abortStatus === null ) {
			// Report back the old string as a raw message status.
			// This will report the error back as 'createaccount-hook-aborted'
			// with the given string as the message.
			// To return a different error code, return a Status object.
			$abortError = new Message( 'createaccount-hook-aborted', array( $abortError ) );
			$abortError->text();

			return Status::newFatal( $abortError );
			} else {
			// For MediaWiki 1.23+ and updated hooks, return the Status object
			// returned from the hook.
			return $abortStatus;
			}
			}

			// Hook point to check for exempt from account creation throttle
			if ( !wfRunHooks( 'ExemptFromAccountCreationThrottle', array( $ip ) ) ) {
			wfDebug( "LoginForm::exemptFromAccountCreationThrottle: a hook " .
			"allowed account creation w/o throttle\n" );
			} else {
			if ( ( $wgAccountCreationThrottle && $currentUser->isPingLimitable() ) ) {
			$key = wfMemcKey( 'acctcreate', 'ip', $ip );
			$value = $wgMemc->get( $key );
			if ( !$value ) {
			$wgMemc->set( $key, 0, 86400 );
			}
			if ( $value >= $wgAccountCreationThrottle ) {
			return Status::newFatal( 'acct_creation_throttle_hit', $wgAccountCreationThrottle );
			}
			$wgMemc->incr( $key );
			}
			}

			if ( !$wgAuth->addUser( $u, $this->mPassword, $this->mEmail, $this->mRealName ) ) {
			return Status::newFatal( 'externaldberror' );
			}

			self::clearCreateaccountToken();

			return $this->initUser( $u, false );
			}

			/**
			* Actually add a user to the database.
			* Give it a User object that has been initialised with a name.
			*
			* @param User $u
			* @param bool $autocreate True if this is an autocreation via auth plugin
			* @return Status Status object, with the User object in the value member on success
			* @private
			*/
			function initUser( $u, $autocreate ) {
			global $wgAuth;

			$status = $u->addToDatabase();
			if ( !$status->isOK() ) {
			return $status;
			}

			if ( $wgAuth->allowPasswordChange() ) {
			$u->setPassword( $this->mPassword );
			}

			$u->setEmail( $this->mEmail );
			$u->setRealName( $this->mRealName );
			$u->setToken();

			$wgAuth->initUser( $u, $autocreate );

			$u->saveSettings();

			// Update user count
			DeferredUpdates::addUpdate( new SiteStatsUpdate( 0, 0, 0, 0, 1 ) );

			// Watch user's userpage and talk page
			$u->addWatch( $u->getUserPage(), WatchedItem::IGNORE_USER_RIGHTS );

			return Status::newGood( $u );
			}

			/**
			* Internally authenticate the login request.
			*
			* This may create a local account as a side effect if the
			* authentication plugin allows transparent local account
			* creation.
			* @return int
			*/
			public function authenticateUserData() {
			global $wgUser, $wgAuth;

			$this->load();

			if ( $this->mUsername == '' ) {
			return self::NO_NAME;
			}

			// We require a login token to prevent login CSRF
			// Handle part of this before incrementing the throttle so
			// token-less login attempts don't count towards the throttle
			// but wrong-token attempts do.

			// If the user doesn't have a login token yet, set one.
			if ( !self::getLoginToken() ) {
			self::setLoginToken();

			return self::NEED_TOKEN;
			}
			// If the user didn't pass a login token, tell them we need one
			if ( !$this->mToken ) {
			return self::NEED_TOKEN;
			}

			$throttleCount = self::incLoginThrottle( $this->mUsername );
			if ( $throttleCount === true ) {
			return self::THROTTLED;
			}

			// Validate the login token
			if ( $this->mToken !== self::getLoginToken() ) {
			return self::WRONG_TOKEN;
			}

			// Load the current user now, and check to see if we're logging in as
			// the same name. This is necessary because loading the current user
			// (say by calling getName()) calls the UserLoadFromSession hook, which
			// potentially creates the user in the database. Until we load $wgUser,
			// checking for user existence using User::newFromName($name)->getId() below
			// will effectively be using stale data.
			if ( $this->getUser()->getName() === $this->mUsername ) {
			wfDebug( __METHOD__ . ": already logged in as {$this->mUsername}\n" );

			return self::SUCCESS;
			}

			$u = User::newFromName( $this->mUsername );
			if ( !( $u instanceof User ) \|\| !User::isUsableName( $u->getName() ) ) {
			return self::ILLEGAL;
			}

			$isAutoCreated = false;
			if ( $u->getID() == 0 ) {
			$status = $this->attemptAutoCreate( $u );
			if ( $status !== self::SUCCESS ) {
			return $status;
			} else {
			$isAutoCreated = true;
			}
			} else {
			$u->load();
			}

			// Give general extensions, such as a captcha, a chance to abort logins
			$abort = self::ABORTED;
			$msg = null;
			if ( !wfRunHooks( 'AbortLogin', array( $u, $this->mPassword, &$abort, &$msg ) ) ) {
			$this->mAbortLoginErrorMsg = $msg;

			return $abort;
			}

			global $wgBlockDisablesLogin;
			if ( !$u->checkPassword( $this->mPassword ) ) {
			if ( $u->checkTemporaryPassword( $this->mPassword ) ) {
			// The e-mailed temporary password should not be used for actu-
			// al logins; that's a very sloppy habit, and insecure if an
			// attacker has a few seconds to click "search" on someone's o-
			// pen mail reader.
			//
			// Allow it to be used only to reset the password a single time
			// to a new value, which won't be in the user's e-mail ar-
			// chives.
			//
			// For backwards compatibility, we'll still recognize it at the
			// login form to minimize surprises for people who have been
			// logging in with a temporary password for some time.
			//
			// As a side-effect, we can authenticate the user's e-mail ad-
			// dress if it's not already done, since the temporary password
			// was sent via e-mail.
			if ( !$u->isEmailConfirmed() ) {
			$u->confirmEmail();
			$u->saveSettings();
			}

			// At this point we just return an appropriate code/ indicating
			// that the UI should show a password reset form; bot inter-
			// faces etc will probably just fail cleanly here.
			$this->mAbortLoginErrorMsg = 'resetpass-temp-emailed';
			$this->mTempPasswordUsed = true;
			$retval = self::RESET_PASS;
			} else {
			$retval = ( $this->mPassword == '' ) ? self::EMPTY_PASS : self::WRONG_PASS;
			}
			} elseif ( $wgBlockDisablesLogin && $u->isBlocked() ) {
			// If we've enabled it, make it so that a blocked user cannot login
			$retval = self::USER_BLOCKED;
			} elseif ( $u->getPasswordExpired() == 'hard' ) {
			// Force reset now, without logging in
			$retval = self::RESET_PASS;
			$this->mAbortLoginErrorMsg = 'resetpass-expired';
			} else {
			$wgAuth->updateUser( $u );
			$wgUser = $u;
			// This should set it for OutputPage and the Skin
			// which is needed or the personal links will be
			// wrong.
			$this->getContext()->setUser( $u );

			// Please reset throttle for successful logins, thanks!
			if ( $throttleCount ) {
			self::clearLoginThrottle( $this->mUsername );
			}

			if ( $isAutoCreated ) {
			// Must be run after $wgUser is set, for correct new user log
			wfRunHooks( 'AuthPluginAutoCreate', array( $u ) );
			}

			$retval = self::SUCCESS;
			}
			wfRunHooks( 'LoginAuthenticateAudit', array( $u, $this->mPassword, $retval ) );

			return $retval;
			}

			/**
			* Increment the login attempt throttle hit count for the (username,current IP)
			* tuple unless the throttle was already reached.
			* @param string $username The user name
			* @return bool\|int The integer hit count or True if it is already at the limit
			*/
			public static function incLoginThrottle( $username ) {
			global $wgPasswordAttemptThrottle, $wgMemc, $wgRequest;
			$username = trim( $username ); // sanity

			$throttleCount = 0;
			if ( is_array( $wgPasswordAttemptThrottle ) ) {
			$throttleKey = wfMemcKey( 'password-throttle', $wgRequest->getIP(), md5( $username ) );
			$count = $wgPasswordAttemptThrottle['count'];
			$period = $wgPasswordAttemptThrottle['seconds'];

			$throttleCount = $wgMemc->get( $throttleKey );
			if ( !$throttleCount ) {
			$wgMemc->add( $throttleKey, 1, $period ); // start counter
			} elseif ( $throttleCount < $count ) {
			$wgMemc->incr( $throttleKey );
			} elseif ( $throttleCount >= $count ) {
			return true;
			}
			}

			return $throttleCount;
			}

			/**
			* Clear the login attempt throttle hit count for the (username,current IP) tuple.
			* @param string $username The user name
			* @return void
			*/
			public static function clearLoginThrottle( $username ) {
			global $wgMemc, $wgRequest;
			$username = trim( $username ); // sanity

			$throttleKey = wfMemcKey( 'password-throttle', $wgRequest->getIP(), md5( $username ) );
			$wgMemc->delete( $throttleKey );
			}

			/**
			* Attempt to automatically create a user on login. Only succeeds if there
			* is an external authentication method which allows it.
			*
			* @param User $user
			*
			* @return int Status code
			*/
			function attemptAutoCreate( $user ) {
			global $wgAuth;

			if ( $this->getUser()->isBlockedFromCreateAccount() ) {
			wfDebug( __METHOD__ . ": user is blocked from account creation\n" );

			return self::CREATE_BLOCKED;
			}

			if ( !$wgAuth->autoCreate() ) {
			return self::NOT_EXISTS;
			}

			if ( !$wgAuth->userExists( $user->getName() ) ) {
			wfDebug( __METHOD__ . ": user does not exist\n" );

			return self::NOT_EXISTS;
			}

			if ( !$wgAuth->authenticate( $user->getName(), $this->mPassword ) ) {
			wfDebug( __METHOD__ . ": \$wgAuth->authenticate() returned false, aborting\n" );

			return self::WRONG_PLUGIN_PASS;
			}

			$abortError = '';
			if ( !wfRunHooks( 'AbortAutoAccount', array( $user, &$abortError ) ) ) {
			// Hook point to add extra creation throttles and blocks
			wfDebug( "LoginForm::attemptAutoCreate: a hook blocked creation: $abortError\n" );
			$this->mAbortLoginErrorMsg = $abortError;

			return self::ABORTED;
			}

			wfDebug( __METHOD__ . ": creating account\n" );
			$status = $this->initUser( $user, true );

			if ( !$status->isOK() ) {
			$errors = $status->getErrorsByType( 'error' );
			$this->mAbortLoginErrorMsg = $errors[0]['message'];

			return self::ABORTED;
			}

			return self::SUCCESS;
			}

			function processLogin() {
			global $wgMemc, $wgLang, $wgSecureLogin, $wgPasswordAttemptThrottle,
			$wgInvalidPasswordReset;

			switch ( $this->authenticateUserData() ) {
			case self::SUCCESS:
			# We've verified now, update the real record
			$user = $this->getUser();
			$user->invalidateCache();

			if ( $user->requiresHTTPS() ) {
			$this->mStickHTTPS = true;
			}

			if ( $wgSecureLogin && !$this->mStickHTTPS ) {
			$user->setCookies( $this->mRequest, false, $this->mRemember );
			} else {
			$user->setCookies( $this->mRequest, null, $this->mRemember );
			}
			self::clearLoginToken();

			// Reset the throttle
			$request = $this->getRequest();
			$key = wfMemcKey( 'password-throttle', $request->getIP(), md5( $this->mUsername ) );
			$wgMemc->delete( $key );

			if ( $this->hasSessionCookie() \|\| $this->mSkipCookieCheck ) {
			/* Replace the language object to provide user interface in
			* correct language immediately on this first page load.
			*/
			$code = $request->getVal( 'uselang', $user->getOption( 'language' ) );
			$userLang = Language::factory( $code );
			$wgLang = $userLang;
			$this->getContext()->setLanguage( $userLang );
			// Reset SessionID on Successful login (bug 40995)
			$this->renewSessionId();
			if ( $this->getUser()->getPasswordExpired() == 'soft' ) {
			$this->resetLoginForm( $this->msg( 'resetpass-expired-soft' ) );
			} elseif ( $wgInvalidPasswordReset
			&& !$user->isValidPassword( $this->mPassword )
			) {
			$status = $user->checkPasswordValidity( $this->mPassword );
			$this->resetLoginForm(
			$status->getMessage( 'resetpass-validity-soft' )
			);
			} else {
			$this->successfulLogin();
			}
			} else {
			$this->cookieRedirectCheck( 'login' );
			}
			break;

			case self::NEED_TOKEN:
			$error = $this->mAbortLoginErrorMsg ?: 'nocookiesforlogin';
			$this->mainLoginForm( $this->msg( $error )->parse() );
			break;
			case self::WRONG_TOKEN:
			$error = $this->mAbortLoginErrorMsg ?: 'sessionfailure';
			$this->mainLoginForm( $this->msg( $error )->text() );
			break;
			case self::NO_NAME:
			case self::ILLEGAL:
			$error = $this->mAbortLoginErrorMsg ?: 'noname';
			$this->mainLoginForm( $this->msg( $error )->text() );
			break;
			case self::WRONG_PLUGIN_PASS:
			$error = $this->mAbortLoginErrorMsg ?: 'wrongpassword';
			$this->mainLoginForm( $this->msg( $error )->text() );
			break;
			case self::NOT_EXISTS:
			if ( $this->getUser()->isAllowed( 'createaccount' ) ) {
			$error = $this->mAbortLoginErrorMsg ?: 'nosuchuser';
			$this->mainLoginForm( $this->msg( $error,
			wfEscapeWikiText( $this->mUsername ) )->parse() );
			} else {
			$error = $this->mAbortLoginErrorMsg ?: 'nosuchusershort';
			$this->mainLoginForm( $this->msg( $error,
			wfEscapeWikiText( $this->mUsername ) )->text() );
			}
			break;
			case self::WRONG_PASS:
			$error = $this->mAbortLoginErrorMsg ?: 'wrongpassword';
			$this->mainLoginForm( $this->msg( $error )->text() );
			break;
			case self::EMPTY_PASS:
			$error = $this->mAbortLoginErrorMsg ?: 'wrongpasswordempty';
			$this->mainLoginForm( $this->msg( $error )->text() );
			break;
			case self::RESET_PASS:
			$error = $this->mAbortLoginErrorMsg ?: 'resetpass_announce';
			$this->resetLoginForm( $this->msg( $error ) );
			break;
			case self::CREATE_BLOCKED:
			$this->userBlockedMessage( $this->getUser()->isBlockedFromCreateAccount() );
			break;
			case self::THROTTLED:
			$error = $this->mAbortLoginErrorMsg ?: 'login-throttled';
			$this->mainLoginForm( $this->msg( $error )
			->params( $this->getLanguage()->formatDuration( $wgPasswordAttemptThrottle['seconds'] ) )
			->text()
			);
			break;
			case self::USER_BLOCKED:
			$error = $this->mAbortLoginErrorMsg ?: 'login-userblocked';
			$this->mainLoginForm( $this->msg( $error, $this->mUsername )->escaped() );
			break;
			case self::ABORTED:
			$error = $this->mAbortLoginErrorMsg ?: 'login-abort-generic';
			$this->mainLoginForm( $this->msg( $error )->text() );
			break;
			default:
			throw new MWException( 'Unhandled case value' );
			}
			}

			/**
			* Show the Special:ChangePassword form, with custom message
			* @param Message $msg
			*/
			protected function resetLoginForm( Message $msg ) {
			// Allow hooks to explain this password reset in more detail
			wfRunHooks( 'LoginPasswordResetMessage', array( &$msg, $this->mUsername ) );
			$reset = new SpecialChangePassword();
			$derivative = new DerivativeContext( $this->getContext() );
			$derivative->setTitle( $reset->getPageTitle() );
			$reset->setContext( $derivative );
			if ( !$this->mTempPasswordUsed ) {
			$reset->setOldPasswordMessage( 'oldpassword' );
			}
			$reset->setChangeMessage( $msg );
			$reset->execute( null );
			}

			/**
			* @param User $u
			* @param bool $throttle
			* @param string $emailTitle Message name of email title
			* @param string $emailText Message name of email text
			* @return Status
			*/
			function mailPasswordInternal( $u, $throttle = true, $emailTitle = 'passwordremindertitle',
			$emailText = 'passwordremindertext'
			) {
			global $wgNewPasswordExpiry;

			if ( $u->getEmail() == '' ) {
			return Status::newFatal( 'noemail', $u->getName() );
			}
			$ip = $this->getRequest()->getIP();
			if ( !$ip ) {
			return Status::newFatal( 'badipaddress' );
			}

			$currentUser = $this->getUser();
			wfRunHooks( 'User::mailPasswordInternal', array( &$currentUser, &$ip, &$u ) );

			$np = $u->randomPassword();
			$u->setNewpassword( $np, $throttle );
			$u->saveSettings();
			$userLanguage = $u->getOption( 'language' );

			$mainPage = Title::newMainPage();
			$mainPageUrl = $mainPage->getCanonicalURL();

			$m = $this->msg( $emailText, $ip, $u->getName(), $np, '<' . $mainPageUrl . '>',
			round( $wgNewPasswordExpiry / 86400 ) )->inLanguage( $userLanguage )->text();
			$result = $u->sendMail( $this->msg( $emailTitle )->inLanguage( $userLanguage )->text(), $m );

			return $result;
			}

			/**
			* Run any hooks registered for logins, then HTTP redirect to
			* $this->mReturnTo (or Main Page if that's undefined). Formerly we had a
			* nice message here, but that's really not as useful as just being sent to
			* wherever you logged in from. It should be clear that the action was
			* successful, given the lack of error messages plus the appearance of your
			* name in the upper right.
			*
			* @private
			*/
			function successfulLogin() {
			# Run any hooks; display injected HTML if any, else redirect
			$currentUser = $this->getUser();
			$injected_html = '';
			wfRunHooks( 'UserLoginComplete', array( &$currentUser, &$injected_html ) );

			if ( $injected_html !== '' ) {
			$this->displaySuccessfulAction( $this->msg( 'loginsuccesstitle' ),
			'loginsuccess', $injected_html );
			} else {
			$this->executeReturnTo( 'successredirect' );
			}
			}

			/**
			* Run any hooks registered for logins, then display a message welcoming
			* the user.
			*
			* @private
			*/
			function successfulCreation() {
			# Run any hooks; display injected HTML
			$currentUser = $this->getUser();
			$injected_html = '';
			$welcome_creation_msg = 'welcomecreation-msg';

			wfRunHooks( 'UserLoginComplete', array( &$currentUser, &$injected_html ) );

			/**
			* Let any extensions change what message is shown.
			* @see https://www.mediawiki.org/wiki/Manual:Hooks/BeforeWelcomeCreation
			* @since 1.18
			*/
			wfRunHooks( 'BeforeWelcomeCreation', array( &$welcome_creation_msg, &$injected_html ) );

			$this->displaySuccessfulAction( $this->msg( 'welcomeuser', $this->getUser()->getName() ),
			$welcome_creation_msg, $injected_html );
			}

			/**
			* Display an "successful action" page.
			*
			* @param string\|Message $title Page's title
			* @param string $msgname
			* @param string $injected_html
			*/
			private function displaySuccessfulAction( $title, $msgname, $injected_html ) {
			$out = $this->getOutput();
			$out->setPageTitle( $title );
			if ( $msgname ) {
			$out->addWikiMsg( $msgname, wfEscapeWikiText( $this->getUser()->getName() ) );
			}

			$out->addHTML( $injected_html );

			$this->executeReturnTo( 'success' );
			}

			/**
			* Output a message that informs the user that they cannot create an account because
			* there is a block on them or their IP which prevents account creation. Note that
			* User::isBlockedFromCreateAccount(), which gets this block, ignores the 'hardblock'
			* setting on blocks (bug 13611).
			* @param Block $block The block causing this error
			* @throws ErrorPageError
			*/
			function userBlockedMessage( Block $block ) {
			# Let's be nice about this, it's likely that this feature will be used
			# for blocking large numbers of innocent people, e.g. range blocks on
			# schools. Don't blame it on the user. There's a small chance that it
			# really is the user's fault, i.e. the username is blocked and they
			# haven't bothered to log out before trying to create an account to
			# evade it, but we'll leave that to their guilty conscience to figure
			# out.
			$errorParams = array(
			$block->getTarget(),
			$block->mReason ? $block->mReason : $this->msg( 'blockednoreason' )->text(),
			$block->getByName()
			);

			if ( $block->getType() === Block::TYPE_RANGE ) {
			$errorMessage = 'cantcreateaccount-range-text';
			$errorParams[] = $this->getRequest()->getIP();
			} else {
			$errorMessage = 'cantcreateaccount-text';
			}

			throw new ErrorPageError(
			'cantcreateaccounttitle',
			$errorMessage,
			$errorParams
			);
			}

			/**
			* Add a "return to" link or redirect to it.
			* Extensions can use this to reuse the "return to" logic after
			* inject steps (such as redirection) into the login process.
			*
			* @param string $type One of the following:
			* - error: display a return to link ignoring $wgRedirectOnLogin
			* - success: display a return to link using $wgRedirectOnLogin if needed
			* - successredirect: send an HTTP redirect using $wgRedirectOnLogin if needed
			* @param string $returnTo
			* @param array\|string $returnToQuery
			* @param bool $stickHTTPs Keep redirect link on HTTPs
			* @since 1.22
			*/
			public function showReturnToPage(
			$type, $returnTo = '', $returnToQuery = '', $stickHTTPs = false
			) {
			$this->mReturnTo = $returnTo;
			$this->mReturnToQuery = $returnToQuery;
			$this->mStickHTTPS = $stickHTTPs;
			$this->executeReturnTo( $type );
			}

			/**
			* Add a "return to" link or redirect to it.
			*
			* @param string $type One of the following:
			* - error: display a return to link ignoring $wgRedirectOnLogin
			* - success: display a return to link using $wgRedirectOnLogin if needed
			* - successredirect: send an HTTP redirect using $wgRedirectOnLogin if needed
			*/
			private function executeReturnTo( $type ) {
			global $wgRedirectOnLogin, $wgSecureLogin;

			if ( $type != 'error' && $wgRedirectOnLogin !== null ) {
			$returnTo = $wgRedirectOnLogin;
			$returnToQuery = array();
			} else {
			$returnTo = $this->mReturnTo;
			$returnToQuery = wfCgiToArray( $this->mReturnToQuery );
			}

			$returnToTitle = Title::newFromText( $returnTo );
			if ( !$returnToTitle ) {
			$returnToTitle = Title::newMainPage();
			}

			if ( $wgSecureLogin && !$this->mStickHTTPS ) {
			$options = array( 'http' );
			$proto = PROTO_HTTP;
			} elseif ( $wgSecureLogin ) {
			$options = array( 'https' );
			$proto = PROTO_HTTPS;
			} else {
			$options = array();
			$proto = PROTO_RELATIVE;
			}

			if ( $type == 'successredirect' ) {
			$redirectUrl = $returnToTitle->getFullURL( $returnToQuery, false, $proto );
			$this->getOutput()->redirect( $redirectUrl );
			} else {
			$this->getOutput()->addReturnTo( $returnToTitle, $returnToQuery, null, $options );
			}
			}

			/**
			* @private
			*/
			function mainLoginForm( $msg, $msgtype = 'error' ) {
			global $wgEnableEmail, $wgEnableUserEmail;
			global $wgHiddenPrefs, $wgLoginLanguageSelector;
			global $wgAuth, $wgEmailConfirmToEdit, $wgCookieExpiration;
			global $wgSecureLogin, $wgPasswordResetRoutes;

			$titleObj = $this->getPageTitle();
			$user = $this->getUser();
			$out = $this->getOutput();

			if ( $this->mType == 'signup' ) {
			// Block signup here if in readonly. Keeps user from
			// going through the process (filling out data, etc)
			// and being informed later.
			$permErrors = $titleObj->getUserPermissionsErrors( 'createaccount', $user, true );
			if ( count( $permErrors ) ) {
			throw new PermissionsError( 'createaccount', $permErrors );
			} elseif ( $user->isBlockedFromCreateAccount() ) {
			$this->userBlockedMessage( $user->isBlockedFromCreateAccount() );

			return;
			} elseif ( wfReadOnly() ) {
			throw new ReadOnlyError;
			}
			}

			// Pre-fill username (if not creating an account, bug 44775).
			if ( $this->mUsername == '' && $this->mType != 'signup' ) {
			if ( $user->isLoggedIn() ) {
			$this->mUsername = $user->getName();
			} else {
			$this->mUsername = $this->getRequest()->getCookie( 'UserName' );
			}
			}

			// Generic styles and scripts for both login and signup form
			$out->addModuleStyles( array(
			'mediawiki.ui',
			'mediawiki.ui.button',
			'mediawiki.special.userlogin.common.styles'
			) );
			$out->addModules( array(
			'mediawiki.special.userlogin.common.js'
			) );

			if ( $this->mType == 'signup' ) {
			// XXX hack pending RL or JS parse() support for complex content messages
			// https://bugzilla.wikimedia.org/show_bug.cgi?id=25349
			$out->addJsConfigVars( 'wgCreateacctImgcaptchaHelp',
			$this->msg( 'createacct-imgcaptcha-help' )->parse() );

			// Additional styles and scripts for signup form
			$out->addModules( array(
			'mediawiki.special.userlogin.signup.js'
			) );
			$out->addModuleStyles( array(
			'mediawiki.special.userlogin.signup.styles'
			) );

			$template = new UsercreateTemplate();

			// Must match number of benefits defined in messages
			$template->set( 'benefitCount', 3 );

			$q = 'action=submitlogin&type=signup';
			$linkq = 'type=login';
			} else {
			// Additional styles for login form
			$out->addModuleStyles( array(
			'mediawiki.special.userlogin.login.styles'
			) );

			$template = new UserloginTemplate();

			$q = 'action=submitlogin&type=login';
			$linkq = 'type=signup';
			}

			if ( $this->mReturnTo !== '' ) {
			$returnto = '&returnto=' . wfUrlencode( $this->mReturnTo );
			if ( $this->mReturnToQuery !== '' ) {
			$returnto .= '&returntoquery=' .
			wfUrlencode( $this->mReturnToQuery );
			}
			$q .= $returnto;
			$linkq .= $returnto;
			}

			# Don't show a "create account" link if the user can't.
			if ( $this->showCreateOrLoginLink( $user ) ) {
			# Pass any language selection on to the mode switch link
			if ( $wgLoginLanguageSelector && $this->mLanguage ) {
			$linkq .= '&uselang=' . $this->mLanguage;
			}
			// Supply URL, login template creates the button.
			$template->set( 'createOrLoginHref', $titleObj->getLocalURL( $linkq ) );
			} else {
			$template->set( 'link', '' );
			}

			$resetLink = $this->mType == 'signup'
			? null
			: is_array( $wgPasswordResetRoutes ) && in_array( true, array_values( $wgPasswordResetRoutes ) );

			$template->set( 'header', '' );
			$template->set( 'skin', $this->getSkin() );
			$template->set( 'name', $this->mUsername );
			$template->set( 'password', $this->mPassword );
			$template->set( 'retype', $this->mRetype );
			$template->set( 'createemailset', $this->mCreateaccountMail );
			$template->set( 'email', $this->mEmail );
			$template->set( 'realname', $this->mRealName );
			$template->set( 'domain', $this->mDomain );
			$template->set( 'reason', $this->mReason );

			$template->set( 'action', $titleObj->getLocalURL( $q ) );
			$template->set( 'message', $msg );
			$template->set( 'messagetype', $msgtype );
			$template->set( 'createemail', $wgEnableEmail && $user->isLoggedIn() );
			$template->set( 'userealname', !in_array( 'realname', $wgHiddenPrefs ) );
			$template->set( 'useemail', $wgEnableEmail );
			$template->set( 'emailrequired', $wgEmailConfirmToEdit );
			$template->set( 'emailothers', $wgEnableUserEmail );
			$template->set( 'canreset', $wgAuth->allowPasswordChange() );
			$template->set( 'resetlink', $resetLink );
			$template->set( 'canremember', ( $wgCookieExpiration > 0 ) );
			$template->set( 'usereason', $user->isLoggedIn() );
			$template->set( 'remember', $this->mRemember );
			$template->set( 'cansecurelogin', ( $wgSecureLogin === true ) );
			$template->set( 'stickhttps', (int)$this->mStickHTTPS );
			$template->set( 'loggedin', $user->isLoggedIn() );
			$template->set( 'loggedinuser', $user->getName() );

			if ( $this->mType == 'signup' ) {
			if ( !self::getCreateaccountToken() ) {
			self::setCreateaccountToken();
			}
			$template->set( 'token', self::getCreateaccountToken() );
			} else {
			if ( !self::getLoginToken() ) {
			self::setLoginToken();
			}
			$template->set( 'token', self::getLoginToken() );
			}

			# Prepare language selection links as needed
			if ( $wgLoginLanguageSelector ) {
			$template->set( 'languages', $this->makeLanguageSelector() );
			if ( $this->mLanguage ) {
			$template->set( 'uselang', $this->mLanguage );
			}
			}

			$template->set( 'secureLoginUrl', $this->mSecureLoginUrl );
			// Use loginend-https for HTTPS requests if it's not blank, loginend otherwise
			// Ditto for signupend. New forms use neither.
			$usingHTTPS = $this->mRequest->getProtocol() == 'https';
			$loginendHTTPS = $this->msg( 'loginend-https' );
			$signupendHTTPS = $this->msg( 'signupend-https' );
			if ( $usingHTTPS && !$loginendHTTPS->isBlank() ) {
			$template->set( 'loginend', $loginendHTTPS->parse() );
			} else {
			$template->set( 'loginend', $this->msg( 'loginend' )->parse() );
			}
			if ( $usingHTTPS && !$signupendHTTPS->isBlank() ) {
			$template->set( 'signupend', $signupendHTTPS->parse() );
			} else {
			$template->set( 'signupend', $this->msg( 'signupend' )->parse() );
			}

			// Give authentication and captcha plugins a chance to modify the form
			$wgAuth->modifyUITemplate( $template, $this->mType );
			if ( $this->mType == 'signup' ) {
			wfRunHooks( 'UserCreateForm', array( &$template ) );
			} else {
			wfRunHooks( 'UserLoginForm', array( &$template ) );
			}

			$out->disallowUserJs(); // just in case...
			$out->addTemplate( $template );
			}

			/**
			* Whether the login/create account form should display a link to the
			* other form (in addition to whatever the skin provides).
			*
			* @param User $user
			* @return bool
			*/
			private function showCreateOrLoginLink( &$user ) {
			if ( $this->mType == 'signup' ) {
			return true;
			} elseif ( $user->isAllowed( 'createaccount' ) ) {
			return true;
			} else {
			return false;
			}
			}

			/**
			* Check if a session cookie is present.
			*
			* This will not pick up a cookie set during _this_ request, but is meant
			* to ensure that the client is returning the cookie which was set on a
			* previous pass through the system.
			*
			* @private
			* @return bool
			*/
			function hasSessionCookie() {
			global $wgDisableCookieCheck;

			return $wgDisableCookieCheck ? true : $this->getRequest()->checkSessionCookie();
			}

			/**
			* Get the login token from the current session
			* @return mixed
			*/
			public static function getLoginToken() {
			global $wgRequest;

			return $wgRequest->getSessionData( 'wsLoginToken' );
			}

			/**
			* Randomly generate a new login token and attach it to the current session
			*/
			public static function setLoginToken() {
			global $wgRequest;
			// Generate a token directly instead of using $user->getEditToken()
			// because the latter reuses $_SESSION['wsEditToken']
			$wgRequest->setSessionData( 'wsLoginToken', MWCryptRand::generateHex( 32 ) );
			}

			/**
			* Remove any login token attached to the current session
			*/
			public static function clearLoginToken() {
			global $wgRequest;
			$wgRequest->setSessionData( 'wsLoginToken', null );
			}

			/**
			* Get the createaccount token from the current session
			* @return mixed
			*/
			public static function getCreateaccountToken() {
			global $wgRequest;

			return $wgRequest->getSessionData( 'wsCreateaccountToken' );
			}

			/**
			* Randomly generate a new createaccount token and attach it to the current session
			*/
			public static function setCreateaccountToken() {
			global $wgRequest;
			$wgRequest->setSessionData( 'wsCreateaccountToken', MWCryptRand::generateHex( 32 ) );
			}

			/**
			* Remove any createaccount token attached to the current session
			*/
			public static function clearCreateaccountToken() {
			global $wgRequest;
			$wgRequest->setSessionData( 'wsCreateaccountToken', null );
			}

			/**
			* Renew the user's session id, using strong entropy
			*/
			private function renewSessionId() {
			global $wgSecureLogin, $wgCookieSecure;
			if ( $wgSecureLogin && !$this->mStickHTTPS ) {
			$wgCookieSecure = false;
			}

			wfResetSessionID();
			}

			/**
			* @private
			*/
			function cookieRedirectCheck( $type ) {
			$titleObj = SpecialPage::getTitleFor( 'Userlogin' );
			$query = array( 'wpCookieCheck' => $type );
			if ( $this->mReturnTo !== '' ) {
			$query['returnto'] = $this->mReturnTo;
			$query['returntoquery'] = $this->mReturnToQuery;
			}
			$check = $titleObj->getFullURL( $query );

			$this->getOutput()->redirect( $check );
			}

			/**
			* @private
			*/
			function onCookieRedirectCheck( $type ) {
			if ( !$this->hasSessionCookie() ) {
			if ( $type == 'new' ) {
			$this->mainLoginForm( $this->msg( 'nocookiesnew' )->parse() );
			} elseif ( $type == 'login' ) {
			$this->mainLoginForm( $this->msg( 'nocookieslogin' )->parse() );
			} else {
			# shouldn't happen
			$this->mainLoginForm( $this->msg( 'error' )->text() );
			}
			} else {
			$this->successfulLogin();
			}
			}

			/**
			* Produce a bar of links which allow the user to select another language
			* during login/registration but retain "returnto"
			*
			* @return string
			*/
			function makeLanguageSelector() {
			$msg = $this->msg( 'loginlanguagelinks' )->inContentLanguage();
			if ( !$msg->isBlank() ) {
			$langs = explode( "\n", $msg->text() );
			$links = array();
			foreach ( $langs as $lang ) {
			$lang = trim( $lang, '* ' );
			$parts = explode( '\|', $lang );
			if ( count( $parts ) >= 2 ) {
			$links[] = $this->makeLanguageSelectorLink( $parts[0], trim( $parts[1] ) );
			}
			}

			return count( $links ) > 0 ? $this->msg( 'loginlanguagelabel' )->rawParams(
			$this->getLanguage()->pipeList( $links ) )->escaped() : '';
			} else {
			return '';
			}
			}

			/**
			* Create a language selector link for a particular language
			* Links back to this page preserving type and returnto
			*
			* @param string $text Link text
			* @param string $lang Language code
			* @return string
			*/
			function makeLanguageSelectorLink( $text, $lang ) {
			if ( $this->getLanguage()->getCode() == $lang ) {
			// no link for currently used language
			return htmlspecialchars( $text );
			}
			$query = array( 'uselang' => $lang );
			if ( $this->mType == 'signup' ) {
			$query['type'] = 'signup';
			}
			if ( $this->mReturnTo !== '' ) {
			$query['returnto'] = $this->mReturnTo;
			$query['returntoquery'] = $this->mReturnToQuery;
			}

			$attr = array();
			$targetLanguage = Language::factory( $lang );
			$attr['lang'] = $attr['hreflang'] = $targetLanguage->getHtmlCode();

			return Linker::linkKnown(
			$this->getPageTitle(),
			htmlspecialchars( $text ),
			$attr,
			$query
			);
			}

			protected function getGroupName() {
			return 'login';
			}
			}

mediawiki/includes/specials/SpecialUserlogin.php1c5d667f38b5master

SpecialUserlogin.phpView Options

mediawiki/includes/specials/SpecialUserlogin.php
1c5d667f38b5master

SpecialUserlogin.php
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