<?php
/**
*
* @addtogroup SpecialPage
*/
/**
* constructor
*/
function wfSpecialUserlogin() {
global $wgRequest;
if( session_id() == '' ) {
wfSetupSession();
}
$form = new LoginForm( $wgRequest );
$form->execute();
}
/**
* implements Special:Login
* @addtogroup SpecialPage
*/
class LoginForm {
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;
var $mName, $mPassword, $mRetype, $mReturnTo, $mCookieCheck, $mPosted;
var $mAction, $mCreateaccount, $mCreateaccountMail, $mMailmypassword;
var $mLoginattempt, $mRemember, $mEmail, $mDomain, $mLanguage;
/**
* Constructor
* @param WebRequest $request A WebRequest object passed by reference
*/
function LoginForm( &$request ) {
global $wgLang, $wgAllowRealName, $wgEnableEmail;
global $wgAuth;
$this->mType = $request->getText( 'type' );
$this->mName = $request->getText( 'wpName' );
$this->mPassword = $request->getText( 'wpPassword' );
$this->mRetype = $request->getText( 'wpRetype' );
$this->mDomain = $request->getText( 'wpDomain' );
$this->mReturnTo = $request->getVal( 'returnto' );
$this->mCookieCheck = $request->getVal( 'wpCookieCheck' );
$this->mPosted = $request->wasPosted();
$this->mCreateaccount = $request->getCheck( 'wpCreateaccount' );
$this->mCreateaccountMail = $request->getCheck( 'wpCreateaccountMail' )
&& $wgEnableEmail;
$this->mMailmypassword = $request->getCheck( 'wpMailmypassword' )
&& $wgEnableEmail;
$this->mLoginattempt = $request->getCheck( 'wpLoginattempt' );
$this->mAction = $request->getVal( 'action' );
$this->mRemember = $request->getCheck( 'wpRemember' );
$this->mLanguage = $request->getText( 'uselang' );
if( $wgEnableEmail ) {
$this->mEmail = $request->getText( 'wpEmail' );
} else {
$this->mEmail = '';
}
if( $wgAllowRealName ) {
$this->mRealName = $request->getText( 'wpRealName' );
} else {
$this->mRealName = '';
}
if( !$wgAuth->validDomain( $this->mDomain ) ) {
$this->mDomain = 'invaliddomain';
}
$wgAuth->setDomain( $this->mDomain );
# When switching accounts, it sucks to get automatically logged out
if( $this->mReturnTo == $wgLang->specialPage( 'Userlogout' ) ) {
$this->mReturnTo = '';
}
}
function execute() {
if ( !is_null( $this->mCookieCheck ) ) {
$this->onCookieRedirectCheck( $this->mCookieCheck );
return;
} else if( $this->mPosted ) {
if( $this->mCreateaccount ) {
return $this->addNewAccount();
} else if ( $this->mCreateaccountMail ) {
return $this->addNewAccountMailPassword();
} else if ( $this->mMailmypassword ) {
return $this->mailPassword();
} else if ( ( 'submitlogin' == $this->mAction ) || $this->mLoginattempt ) {
return $this->processLogin();
}
}
$this->mainLoginForm( '' );
}
/**
* @private
*/
function addNewAccountMailPassword() {
global $wgOut;
if ('' == $this->mEmail) {
$this->mainLoginForm( wfMsg( 'noemail', htmlspecialchars( $this->mName ) ) );
return;
}
$u = $this->addNewaccountInternal();
if ($u == NULL) {
return;
}
// Wipe the initial password and mail a temporary one
$u->setPassword( null );
$u->saveSettings();
$result = $this->mailPasswordInternal( $u, false );
wfRunHooks( 'AddNewAccount', array( $u ) );
$wgOut->setPageTitle( wfMsg( 'accmailtitle' ) );
$wgOut->setRobotpolicy( 'noindex,nofollow' );
$wgOut->setArticleRelated( false );
if( WikiError::isError( $result ) ) {
$this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
} else {
$wgOut->addWikiText( wfMsg( 'accmailtext', $u->getName(), $u->getEmail() ) );
$wgOut->returnToMain( false );
}
$u = 0;
}
/**
* @private
*/
function addNewAccount() {
global $wgUser, $wgEmailAuthentication;
# Create the account and abort if there's a problem doing so
$u = $this->addNewAccountInternal();
if( $u == NULL )
return;
# 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
global $wgLoginLanguageSelector;
if( $wgLoginLanguageSelector && $this->mLanguage )
$u->setOption( 'language', $this->mLanguage );
# Save user settings and send out an email authentication message if needed
$u->saveSettings();
if( $wgEmailAuthentication && User::isValidEmailAddr( $u->getEmail() ) ) {
global $wgOut;
$error = $u->sendConfirmationMail();
if( WikiError::isError( $error ) ) {
$wgOut->addWikiText( wfMsg( 'confirmemail_sendfailed', $error->getMessage() ) );
} else {
$wgOut->addWikiText( wfMsg( 'confirmemail_oncreate' ) );
}
}
# 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( $wgUser->isAnon() ) {
$wgUser = $u;
$wgUser->setCookies();
wfRunHooks( 'AddNewAccount', array( $wgUser ) );
if( $this->hasSessionCookie() ) {
return $this->successfulLogin( wfMsg( 'welcomecreation', $wgUser->getName() ), false );
} else {
return $this->cookieRedirectCheck( 'new' );
}
} else {
# Confirm that the account was created
global $wgOut;
$self = SpecialPage::getTitleFor( 'Userlogin' );
$wgOut->setPageTitle( wfMsgHtml( 'accountcreated' ) );
$wgOut->setArticleRelated( false );
$wgOut->setRobotPolicy( 'noindex,nofollow' );
$wgOut->addHtml( wfMsgWikiHtml( 'accountcreatedtext', $u->getName() ) );
$wgOut->returnToMain( $self->getPrefixedText() );
wfRunHooks( 'AddNewAccount', array( $u ) );
return true;
}
}
/**
* @private
*/
function addNewAccountInternal() {
global $wgUser, $wgOut;
global $wgEnableSorbs, $wgProxyWhitelist;
global $wgMemc, $wgAccountCreationThrottle;
global $wgAuth, $wgMinimalPasswordLength;
// If the user passes an invalid domain, something is fishy
if( !$wgAuth->validDomain( $this->mDomain ) ) {
$this->mainLoginForm( wfMsg( 'wrongpassword' ) );
return false;
}
// 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 authentication 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( $this->mName ) || !$wgAuth->authenticate( $this->mName, $this->mPassword ) ) ) {
$this->mainLoginForm( wfMsg( 'wrongpassword' ) );
return false;
}
}
if ( wfReadOnly() ) {
$wgOut->readOnlyPage();
return false;
}
# Check anonymous user ($wgUser) limitations :
if (!$wgUser->isAllowedToCreateAccount()) {
$this->userNotPrivilegedMessage();
return false;
}
$ip = wfGetIP();
if ( $wgEnableSorbs && !in_array( $ip, $wgProxyWhitelist ) &&
$wgUser->inSorbsBlacklist( $ip ) )
{
$this->mainLoginForm( wfMsg( 'sorbs_create_account_reason' ) . ' (' . htmlspecialchars( $ip ) . ')' );
return;
}
# Now create a dummy user ($u) and check if it is valid
$name = trim( $this->mName );
$u = User::newFromName( $name, 'creatable' );
if ( is_null( $u ) ) {
$this->mainLoginForm( wfMsg( 'noname' ) );
return false;
}
if ( 0 != $u->idForName() ) {
$this->mainLoginForm( wfMsg( 'userexists' ) );
return false;
}
if ( 0 != strcmp( $this->mPassword, $this->mRetype ) ) {
$this->mainLoginForm( wfMsg( 'badretype' ) );
return false;
}
if ( !$u->isValidPassword( $this->mPassword ) ) {
$this->mainLoginForm( wfMsg( 'passwordtooshort', $wgMinimalPasswordLength ) );
return false;
}
# 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" );
$this->mainLoginForm( $abortError );
return false;
}
if ( $wgAccountCreationThrottle && $wgUser->isPingLimitable() ) {
$key = wfMemcKey( 'acctcreate', 'ip', $ip );
$value = $wgMemc->incr( $key );
if ( !$value ) {
$wgMemc->set( $key, 1, 86400 );
}
if ( $value > $wgAccountCreationThrottle ) {
$this->throttleHit( $wgAccountCreationThrottle );
return false;
}
}
if( !$wgAuth->addUser( $u, $this->mPassword, $this->mEmail, $this->mRealName ) ) {
$this->mainLoginForm( wfMsg( 'externaldberror' ) );
return false;
}
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 User object.
* @private
*/
function initUser( $u, $autocreate ) {
global $wgAuth;
$u->addToDatabase();
if ( $wgAuth->allowPasswordChange() ) {
$u->setPassword( $this->mPassword );
}
$u->setEmail( $this->mEmail );
$u->setRealName( $this->mRealName );
$u->setToken();
$wgAuth->initUser( $u, $autocreate );
$u->setOption( 'rememberpassword', $this->mRemember ? 1 : 0 );
$u->saveSettings();
# Update user count
$ssUpdate = new SiteStatsUpdate( 0, 0, 0, 0, 1 );
$ssUpdate->doUpdate();
return $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.
*
* @public
*/
function authenticateUserData() {
global $wgUser, $wgAuth;
if ( '' == $this->mName ) {
return self::NO_NAME;
}
$u = User::newFromName( $this->mName );
if( is_null( $u ) || !User::isUsableName( $u->getName() ) ) {
return self::ILLEGAL;
}
if ( 0 == $u->getID() ) {
global $wgAuth;
/**
* If the external authentication plugin allows it,
* automatically create a new account for users that
* are externally defined but have not yet logged in.
*/
if ( $wgAuth->autoCreate() && $wgAuth->userExists( $u->getName() ) ) {
if ( $wgAuth->authenticate( $u->getName(), $this->mPassword ) ) {
$u = $this->initUser( $u, true );
} else {
return self::WRONG_PLUGIN_PASS;
}
} else {
return self::NOT_EXISTS;
}
} else {
$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 ) ) ) {
return $abort;
}
if (!$u->checkPassword( $this->mPassword )) {
if( $u->checkTemporaryPassword( $this->mPassword ) ) {
// The e-mailed temporary password should not be used
// for actual logins; that's a very sloppy habit,
// and insecure if an attacker has a few seconds to
// click "search" on someone's open mail reader.
//
// Allow it to be used only to reset the password
// a single time to a new value, which won't be in
// the user's e-mail archives.
//
// For backwards compatibility, we'll still recognize
// it at the login form to minimize surprises for
// people who have been logging in with a temporary
// password for some time.
//
// As a side-effect, we can authenticate the user's
// e-mail address if it's not already done, since
// the temporary password was sent via e-mail.
//
if( !$u->isEmailConfirmed() ) {
$u->confirmEmail();
}
// At this point we just return an appropriate code
// indicating that the UI should show a password
// reset form; bot interfaces etc will probably just
// fail cleanly here.
//
$retval = self::RESET_PASS;
} else {
$retval = '' == $this->mPassword ? self::EMPTY_PASS : self::WRONG_PASS;
}
} else {
$wgAuth->updateUser( $u );
$wgUser = $u;
$retval = self::SUCCESS;
}
wfRunHooks( 'LoginAuthenticateAudit', array( $u, $this->mPassword, $retval ) );
return $retval;
}
function processLogin() {
global $wgUser, $wgAuth;
switch ($this->authenticateUserData())
{
case self::SUCCESS:
# We've verified now, update the real record
if( (bool)$this->mRemember != (bool)$wgUser->getOption( 'rememberpassword' ) ) {
$wgUser->setOption( 'rememberpassword', $this->mRemember ? 1 : 0 );
$wgUser->saveSettings();
} else {
$wgUser->invalidateCache();
}
$wgUser->setCookies();
if( $this->hasSessionCookie() ) {
return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
} else {
return $this->cookieRedirectCheck( 'login' );
}
break;
case self::NO_NAME:
case self::ILLEGAL:
$this->mainLoginForm( wfMsg( 'noname' ) );
break;
case self::WRONG_PLUGIN_PASS:
$this->mainLoginForm( wfMsg( 'wrongpassword' ) );
break;
case self::NOT_EXISTS:
$this->mainLoginForm( wfMsg( 'nosuchuser', htmlspecialchars( $this->mName ) ) );
break;
case self::WRONG_PASS:
$this->mainLoginForm( wfMsg( 'wrongpassword' ) );
break;
case self::EMPTY_PASS:
$this->mainLoginForm( wfMsg( 'wrongpasswordempty' ) );
break;
case self::RESET_PASS:
$this->resetLoginForm( wfMsg( 'resetpass_announce' ) );
break;
default:
wfDebugDieBacktrace( "Unhandled case value" );
}
}
function resetLoginForm( $error ) {
global $wgOut;
$wgOut->addWikiText( "<div class=\"errorbox\">$error</div>" );
$reset = new PasswordResetForm( $this->mName, $this->mPassword );
$reset->execute();
}
/**
* @private
*/
function mailPassword() {
global $wgUser, $wgOut, $wgAuth;
if( !$wgAuth->allowPasswordChange() ) {
$this->mainLoginForm( wfMsg( 'resetpass_forbidden' ) );
return;
}
# Check against blocked IPs
# fixme -- should we not?
if( $wgUser->isBlocked() ) {
$this->mainLoginForm( wfMsg( 'blocked-mailpassword' ) );
return;
}
# Check against the rate limiter
if( $wgUser->pingLimiter( 'mailpassword' ) ) {
$wgOut->rateLimited();
return;
}
if ( '' == $this->mName ) {
$this->mainLoginForm( wfMsg( 'noname' ) );
return;
}
$u = User::newFromName( $this->mName );
if( is_null( $u ) ) {
$this->mainLoginForm( wfMsg( 'noname' ) );
return;
}
if ( 0 == $u->getID() ) {
$this->mainLoginForm( wfMsg( 'nosuchuser', $u->getName() ) );
return;
}
# Check against password throttle
if ( $u->isPasswordReminderThrottled() ) {
global $wgPasswordReminderResendTime;
# Round the time in hours to 3 d.p., in case someone is specifying minutes or seconds.
$this->mainLoginForm( wfMsg( 'throttled-mailpassword',
round( $wgPasswordReminderResendTime, 3 ) ) );
return;
}
$result = $this->mailPasswordInternal( $u, true );
if( WikiError::isError( $result ) ) {
$this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) );
} else {
$this->mainLoginForm( wfMsg( 'passwordsent', $u->getName() ), 'success' );
}
}
/**
* @return mixed true on success, WikiError on failure
* @private
*/
function mailPasswordInternal( $u, $throttle = true ) {
global $wgCookiePath, $wgCookieDomain, $wgCookiePrefix, $wgCookieSecure;
global $wgServer, $wgScript;
if ( '' == $u->getEmail() ) {
return new WikiError( wfMsg( 'noemail', $u->getName() ) );
}
$np = $u->randomPassword();
$u->setNewpassword( $np, $throttle );
setcookie( "{$wgCookiePrefix}Token", '', time() - 3600, $wgCookiePath, $wgCookieDomain, $wgCookieSecure );
$u->saveSettings();
$ip = wfGetIP();
if ( '' == $ip ) { $ip = '(Unknown)'; }
$m = wfMsg( 'passwordremindertext', $ip, $u->getName(), $np, $wgServer . $wgScript );
$result = $u->sendMail( wfMsg( 'passwordremindertitle' ), $m );
return $result;
}
/**
* @param string $msg Message that will be shown on success
* @param bool $auto Toggle auto-redirect to main page; default true
* @private
*/
function successfulLogin( $msg, $auto = true ) {
global $wgUser;
global $wgOut;
# Run any hooks; ignore results
wfRunHooks('UserLoginComplete', array(&$wgUser));
$wgOut->setPageTitle( wfMsg( 'loginsuccesstitle' ) );
$wgOut->setRobotpolicy( 'noindex,nofollow' );
$wgOut->setArticleRelated( false );
$wgOut->addWikiText( $msg );
if ( !empty( $this->mReturnTo ) ) {
$wgOut->returnToMain( $auto, $this->mReturnTo );
} else {
$wgOut->returnToMain( $auto );
}
}
/** */
function userNotPrivilegedMessage() {
global $wgOut;
$wgOut->setPageTitle( wfMsg( 'whitelistacctitle' ) );
$wgOut->setRobotpolicy( 'noindex,nofollow' );
$wgOut->setArticleRelated( false );
$wgOut->addWikiText( wfMsg( 'whitelistacctext' ) );
$wgOut->returnToMain( false );
}
/** */
function userBlockedMessage() {
global $wgOut;
# 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.
$wgOut->setPageTitle( wfMsg( 'cantcreateaccounttitle' ) );
$wgOut->setRobotpolicy( 'noindex,nofollow' );
$wgOut->setArticleRelated( false );
$ip = wfGetIP();
$wgOut->addWikiText( wfMsg( 'cantcreateaccounttext', $ip ) );
$wgOut->returnToMain( false );
}
/**
* @private
*/
function mainLoginForm( $msg, $msgtype = 'error' ) {
global $wgUser, $wgOut, $wgAllowRealName, $wgEnableEmail;
global $wgCookiePrefix, $wgAuth, $wgLoginLanguageSelector;
global $wgAuth;
if ( $this->mType == 'signup' ) {
if ( !$wgUser->isAllowed( 'createaccount' ) ) {
$this->userNotPrivilegedMessage();
return;
} elseif ( $wgUser->isBlockedFromCreateAccount() ) {
$this->userBlockedMessage();
return;
}
}
if ( '' == $this->mName ) {
if ( $wgUser->isLoggedIn() ) {
$this->mName = $wgUser->getName();
} else {
$this->mName = isset( $_COOKIE[$wgCookiePrefix.'UserName'] ) ? $_COOKIE[$wgCookiePrefix.'UserName'] : null;
}
}
$titleObj = SpecialPage::getTitleFor( 'Userlogin' );
if ( $this->mType == 'signup' ) {
$template = new UsercreateTemplate();
$q = 'action=submitlogin&type=signup';
$linkq = 'type=login';
$linkmsg = 'gotaccount';
} else {
$template = new UserloginTemplate();
$q = 'action=submitlogin&type=login';
$linkq = 'type=signup';
$linkmsg = 'nologin';
}
if ( !empty( $this->mReturnTo ) ) {
$returnto = '&returnto=' . wfUrlencode( $this->mReturnTo );
$q .= $returnto;
$linkq .= $returnto;
}
# Pass any language selection on to the mode switch link
if( $wgLoginLanguageSelector && $this->mLanguage )
$linkq .= '&uselang=' . $this->mLanguage;
$link = '<a href="' . htmlspecialchars ( $titleObj->getLocalUrl( $linkq ) ) . '">';
$link .= wfMsgHtml( $linkmsg . 'link' );
$link .= '</a>';
# Don't show a "create account" link if the user can't
if( $this->showCreateOrLoginLink( $wgUser ) )
$template->set( 'link', wfMsgHtml( $linkmsg, $link ) );
else
$template->set( 'link', '' );
$template->set( 'header', '' );
$template->set( 'name', $this->mName );
$template->set( 'password', $this->mPassword );
$template->set( 'retype', $this->mRetype );
$template->set( 'email', $this->mEmail );
$template->set( 'realname', $this->mRealName );
$template->set( 'domain', $this->mDomain );
$template->set( 'action', $titleObj->getLocalUrl( $q ) );
$template->set( 'message', $msg );
$template->set( 'messagetype', $msgtype );
$template->set( 'createemail', $wgEnableEmail && $wgUser->isLoggedIn() );
$template->set( 'userealname', $wgAllowRealName );
$template->set( 'useemail', $wgEnableEmail );
$template->set( 'canreset', $wgAuth->allowPasswordChange() );
$template->set( 'remember', $wgUser->getOption( 'rememberpassword' ) or $this->mRemember );
# Prepare language selection links as needed
if( $wgLoginLanguageSelector ) {
$template->set( 'languages', $this->makeLanguageSelector() );
if( $this->mLanguage )
$template->set( 'uselang', $this->mLanguage );
}
// Give authentication and captcha plugins a chance to modify the form
$wgAuth->modifyUITemplate( $template );
if ( $this->mType == 'signup' ) {
wfRunHooks( 'UserCreateForm', array( &$template ) );
} else {
wfRunHooks( 'UserLoginForm', array( &$template ) );
}
$wgOut->setPageTitle( wfMsg( 'userlogin' ) );
$wgOut->setRobotpolicy( 'noindex,nofollow' );
$wgOut->setArticleRelated( false );
$wgOut->disallowUserJs(); // just in case...
$wgOut->addTemplate( $template );
}
/**
* @private
*/
function showCreateOrLoginLink( &$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
*/
function hasSessionCookie() {
global $wgDisableCookieCheck, $wgRequest;
return $wgDisableCookieCheck ? true : $wgRequest->checkSessionCookie();
}
/**
* @private
*/
function cookieRedirectCheck( $type ) {
global $wgOut;
$titleObj = SpecialPage::getTitleFor( 'Userlogin' );
$check = $titleObj->getFullURL( 'wpCookieCheck='.$type );
return $wgOut->redirect( $check );
}
/**
* @private
*/
function onCookieRedirectCheck( $type ) {
global $wgUser;
if ( !$this->hasSessionCookie() ) {
if ( $type == 'new' ) {
return $this->mainLoginForm( wfMsg( 'nocookiesnew' ) );
} else if ( $type == 'login' ) {
return $this->mainLoginForm( wfMsg( 'nocookieslogin' ) );
} else {
# shouldn't happen
return $this->mainLoginForm( wfMsg( 'error' ) );
}
} else {
return $this->successfulLogin( wfMsg( 'loginsuccess', $wgUser->getName() ) );
}
}
/**
* @private
*/
function throttleHit( $limit ) {
global $wgOut;
$wgOut->addWikiText( wfMsg( 'acct_creation_throttle_hit', $limit ) );
}
/**
* Produce a bar of links which allow the user to select another language
* during login/registration but retain "returnto"
*
* @return string
*/
function makeLanguageSelector() {
$msg = wfMsgForContent( 'loginlanguagelinks' );
if( $msg != '' && !wfEmptyMsg( 'loginlanguagelinks', $msg ) ) {
$langs = explode( "\n", $msg );
$links = array();
foreach( $langs as $lang ) {
$lang = trim( $lang, '* ' );
$parts = explode( '|', $lang );
$links[] = $this->makeLanguageSelectorLink( $parts[0], $parts[1] );
}
return count( $links ) > 0 ? wfMsgHtml( 'loginlanguagelabel', implode( ' | ', $links ) ) : '';
} else {
return '';
}
}
/**
* Create a language selector link for a particular language
* Links back to this page preserving type and returnto
*
* @param $text Link text
* @param $lang Language code
*/
function makeLanguageSelectorLink( $text, $lang ) {
global $wgUser;
$self = SpecialPage::getTitleFor( 'Userlogin' );
$attr[] = 'uselang=' . $lang;
if( $this->mType == 'signup' )
$attr[] = 'type=signup';
if( $this->mReturnTo )
$attr[] = 'returnto=' . $this->mReturnTo;
$skin = $wgUser->getSkin();
return $skin->makeKnownLinkObj( $self, htmlspecialchars( $text ), implode( '&', $attr ) );
}
}
