Your IP : 108.162.241.185
<?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;
var $mUsername, $mPassword, $mRetype, $mReturnTo, $mCookieCheck, $mPosted;
var $mAction, $mCreateaccount, $mCreateaccountMail;
var $mLoginattempt, $mRemember, $mEmail, $mDomain, $mLanguage;
var $mSkipCookieCheck, $mReturnToQuery, $mToken, $mStickHTTPS;
var $mType, $mReason, $mRealName;
var $mAbortLoginErrorMsg = 'login-abort-generic';
private $mLoaded = false;
/**
* @var ExternalUser
*/
private $mExtUser = null;
/**
* @ var WebRequest
*/
private $mOverrideRequest = 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->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->mStickHTTPS = $request->getCheck( 'wpStickHTTPS' );
$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() {
return $this->msg( $this->getUser()->isAllowed( 'createaccount' ) ?
'userlogin' : 'userloginnocreate' )->text();
}
public function execute( $par ) {
if ( session_id() == '' ) {
wfSetupSession();
}
$this->load();
$this->setHeaders();
global $wgSecureLogin;
if (
$this->mType !== 'signup' &&
$wgSecureLogin &&
WebRequest::detectProtocol() !== 'https'
) {
$title = $this->getFullTitle();
$query = array(
'returnto' => $this->mReturnTo,
'returntoquery' => $this->mReturnToQuery,
'wpStickHTTPS' => $this->mStickHTTPS
);
$url = $title->getFullURL( $query, false, PROTO_HTTPS );
$this->getOutput()->redirect( $url );
return;
}
if ( $par == 'signup' ) { # Check for [[Special:Userlogin/signup]]
$this->mType = 'signup';
}
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 = $this->getOutput()->parse( $status->getWikiText() );
$this->mainLoginForm( $error );
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 = $this->getOutput()->parse( $status->getWikiText() );
$this->mainLoginForm( $error );
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->getTitle() );
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->getTitle()->getUserPermissionsErrors( 'createaccount', $currentUser, true );
if ( count( $permErrors ) ) {
throw new PermissionsError( 'createaccount', $permErrors );
}
$ip = $this->getRequest()->getIP();
if ( $currentUser->isDnsBlacklisted( $ip, true /* check $wgProxyWhitelist */ ) ) {
return Status::newFatal( 'sorbs_create_account_reason' );
}
# Now create a dummy user ($u) and check if it is valid
$name = trim( $this->mUsername );
$u = User::newFromName( $name, '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 = '';
if( !wfRunHooks( 'AbortNewAccount', array( $u, &$abortError ) ) ) {
// Hook point to add extra creation throttles and blocks
wfDebug( "LoginForm::addNewAccountInternal: a hook blocked creation\n" );
return Status::newFatal( new RawMessage( $abortError ) );
}
// 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 $u User object.
* @param $autocreate boolean -- true if this is an autocreation via auth plugin
* @return 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 );
if ( $this->mExtUser ) {
$this->mExtUser->linkToLocal( $u->getId() );
$email = $this->mExtUser->getPref( 'emailaddress' );
if ( $email && !$this->mEmail ) {
$u->setEmail( $email );
}
}
$u->setOption( 'rememberpassword', $this->mRemember ? 1 : 0 );
$u->saveSettings();
# Update user count
DeferredUpdates::addUpdate( new SiteStatsUpdate( 0, 0, 0, 0, 1 ) );
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;
}
$this->mExtUser = ExternalUser::newFromName( $this->mUsername );
# TODO: Allow some magic here for invalid external names, e.g., let the
# user choose a different wiki name.
$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 {
global $wgExternalAuthType, $wgAutocreatePolicy;
if ( $wgExternalAuthType && $wgAutocreatePolicy != 'never'
&& is_object( $this->mExtUser )
&& $this->mExtUser->authenticate( $this->mPassword )
) {
# The external user and local user have the same name and
# password, so we assume they're the same.
$this->mExtUser->linkToLocal( $u->getID() );
}
$u->load();
}
// Give general extensions, such as a captcha, a chance to abort logins
$abort = self::ABORTED;
if( !wfRunHooks( 'AbortLogin', array( $u, $this->mPassword, &$abort, &$this->mAbortLoginErrorMsg ) ) ) {
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.
$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;
} 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|Integer 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 integer Status code
*/
function attemptAutoCreate( $user ) {
global $wgAuth, $wgAutocreatePolicy;
if ( $this->getUser()->isBlockedFromCreateAccount() ) {
wfDebug( __METHOD__ . ": user is blocked from account creation\n" );
return self::CREATE_BLOCKED;
}
/**
* If the external authentication plugin allows it, automatically cre-
* ate a new account for users that are externally defined but have not
* yet logged in.
*/
if ( $this->mExtUser ) {
# mExtUser is neither null nor false, so use the new ExternalAuth
# system.
if ( $wgAutocreatePolicy == 'never' ) {
return self::NOT_EXISTS;
}
if ( !$this->mExtUser->authenticate( $this->mPassword ) ) {
return self::WRONG_PLUGIN_PASS;
}
} else {
# Old AuthPlugin.
if ( !$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;
switch ( $this->authenticateUserData() ) {
case self::SUCCESS:
# We've verified now, update the real record
$user = $this->getUser();
if( (bool)$this->mRemember != $user->getBoolOption( 'rememberpassword' ) ) {
$user->setOption( 'rememberpassword', $this->mRemember ? 1 : 0 );
$user->saveSettings();
} else {
$user->invalidateCache();
}
if( $wgSecureLogin && !$this->mStickHTTPS ) {
$user->setCookies( null, false );
} else {
$user->setCookies();
}
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();
$this->successfulLogin();
} else {
$this->cookieRedirectCheck( 'login' );
}
break;
case self::NEED_TOKEN:
$this->mainLoginForm( $this->msg( 'nocookiesforlogin' )->parse() );
break;
case self::WRONG_TOKEN:
$this->mainLoginForm( $this->msg( 'sessionfailure' )->text() );
break;
case self::NO_NAME:
case self::ILLEGAL:
$this->mainLoginForm( $this->msg( 'noname' )->text() );
break;
case self::WRONG_PLUGIN_PASS:
$this->mainLoginForm( $this->msg( 'wrongpassword' )->text() );
break;
case self::NOT_EXISTS:
if( $this->getUser()->isAllowed( 'createaccount' ) ) {
$this->mainLoginForm( $this->msg( 'nosuchuser',
wfEscapeWikiText( $this->mUsername ) )->parse() );
} else {
$this->mainLoginForm( $this->msg( 'nosuchusershort',
wfEscapeWikiText( $this->mUsername ) )->text() );
}
break;
case self::WRONG_PASS:
$this->mainLoginForm( $this->msg( 'wrongpassword' )->text() );
break;
case self::EMPTY_PASS:
$this->mainLoginForm( $this->msg( 'wrongpasswordempty' )->text() );
break;
case self::RESET_PASS:
$this->resetLoginForm( $this->msg( 'resetpass_announce' )->text() );
break;
case self::CREATE_BLOCKED:
$this->userBlockedMessage( $this->getUser()->mBlock );
break;
case self::THROTTLED:
$this->mainLoginForm( $this->msg( 'login-throttled' )->text() );
break;
case self::USER_BLOCKED:
$this->mainLoginForm( $this->msg( 'login-userblocked',
$this->mUsername )->escaped() );
break;
case self::ABORTED:
$this->mainLoginForm( $this->msg( $this->mAbortLoginErrorMsg )->text() );
break;
default:
throw new MWException( 'Unhandled case value' );
}
}
/**
* @param $error string
*/
function resetLoginForm( $error ) {
$this->getOutput()->addHTML( Xml::element( 'p', array( 'class' => 'error' ), $error ) );
$reset = new SpecialChangePassword();
$reset->setContext( $this->getContext() );
$reset->execute( null );
}
/**
* @param $u User object
* @param $throttle Boolean
* @param string $emailTitle message name of email title
* @param string $emailText message name of email text
* @return Status object
*/
function mailPasswordInternal( $u, $throttle = true, $emailTitle = 'passwordremindertitle', $emailText = 'passwordremindertext' ) {
global $wgCanonicalServer, $wgScript, $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' );
$m = $this->msg( $emailText, $ip, $u->getName(), $np, '<' . $wgCanonicalServer . $wgScript . '>',
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 $msgname string
* @param $injected_html string
*/
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.
throw new ErrorPageError(
'cantcreateaccounttitle',
'cantcreateaccount-text',
array(
$block->getTarget(),
$block->mReason ? $block->mReason : $this->msg( 'blockednoreason' )->text(),
$block->getByName()
)
);
}
/**
* Add a "return to" link or redirect to it.
*
* @param $type string, 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, $wgSecureLoginDefaultHTTPS, $wgPasswordResetRoutes;
$titleObj = $this->getTitle();
$user = $this->getUser();
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' );
}
}
if ( $this->mType == 'signup' ) {
$template = new UsercreateTemplate();
$q = 'action=submitlogin&type=signup';
$linkq = 'type=login';
$linkmsg = 'gotaccount';
$this->getOutput()->addModules( 'mediawiki.special.userlogin.signup' );
} else {
$template = new UserloginTemplate();
$q = 'action=submitlogin&type=login';
$linkq = 'type=signup';
$linkmsg = 'nologin';
}
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;
}
$link = Html::element( 'a', array( 'href' => $titleObj->getLocalURL( $linkq ) ),
$this->msg( $linkmsg . 'link' )->text() ); # Calling either 'gotaccountlink' or 'nologinlink'
$template->set( 'link', $this->msg( $linkmsg )->rawParams( $link )->parse() );
} else {
$template->set( 'link', '' );
}
// Decide if we default stickHTTPS on
if ( $wgSecureLoginDefaultHTTPS && $this->mAction != 'submitlogin' && !$this->mLoginattempt ) {
$this->mStickHTTPS = true;
}
$resetLink = $this->mType == 'signup'
? null
: is_array( $wgPasswordResetRoutes ) && in_array( true, array_values( $wgPasswordResetRoutes ) );
$template->set( 'header', '' );
$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', $user->getOption( 'rememberpassword' ) || $this->mRemember );
$template->set( 'cansecurelogin', ( $wgSecureLogin === true ) );
$template->set( 'stickHTTPS', $this->mStickHTTPS );
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 );
}
}
// Use loginend-https for HTTPS requests if it's not blank, loginend otherwise
// Ditto for signupend
$usingHTTPS = WebRequest::detectProtocol() == '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 = $this->getOutput();
$out->disallowUserJs(); // just in case...
$out->addTemplate( $template );
}
/**
* @private
*
* @param $user User
*
* @return Boolean
*/
function showCreateOrLoginLink( &$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->editToken()
// 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;
}
// If either we don't trust PHP's entropy, or if we need
// to change cookie settings when logging in because of
// wpStickHTTPS, then change the session ID manually.
$cookieParams = session_get_cookie_params();
if ( wfCheckEntropy() && $wgCookieSecure == $cookieParams['secure'] ) {
session_regenerate_id( false );
} else {
$tmp = $_SESSION;
session_destroy();
wfSetupSession( MWCryptRand::generateHex( 32 ) );
$_SESSION = $tmp;
}
}
/**
* @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->getTitle(),
htmlspecialchars( $text ),
$attr,
$query
);
}
protected function getGroupName() {
return 'login';
}
}