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, $par = '' ) { global $wgLang, $wgAllowRealName, $wgEnableEmail; global $wgAuth; $this->mType = ( $par == 'signup' ) ? $par : $request->getText( 'type' ); # Check for [[Special:Userlogin/signup]] $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, 'createaccount-title', 'createaccount-text' ); wfRunHooks( 'AddNewAccount', array( $u, true ) ); $wgOut->setPageTitle( wfMsg( 'accmailtitle' ) ); $wgOut->setRobotpolicy( 'noindex,nofollow' ); $wgOut->setArticleRelated( false ); if( WikiError::isError( $result ) ) { $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) ); } else { $wgOut->addWikiMsg( '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->addWikiMsg( 'confirmemail_sendfailed', $error->getMessage() ); } else { $wgOut->addWikiMsg( '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( false, $self ); wfRunHooks( 'AddNewAccount', array( $u ) ); return true; } } /** * @private */ function addNewAccountInternal() { global $wgUser, $wgOut; global $wgEnableSorbs, $wgProxyWhitelist; global $wgMemc, $wgAccountCreationThrottle; global $wgAuth, $wgMinimalPasswordLength; global $wgEmailConfirmToEdit; // If the user passes an invalid domain, something is fishy if( !$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() ) { $wgOut->readOnlyPage(); return false; } # Check permissions if ( !$wgUser->isAllowed( 'createaccount' ) ) { $this->userNotPrivilegedMessage(); return false; } elseif ( $wgUser->isBlockedFromCreateAccount() ) { $this->userBlockedMessage(); 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 ) ) { $this->mainLoginForm( wfMsg( 'badretype' ) ); return false; } # check for minimal password length if ( !$u->isValidPassword( $this->mPassword ) ) { if ( !$this->mCreateaccountMail ) { $this->mainLoginForm( wfMsg( 'passwordtooshort', $wgMinimalPasswordLength ) ); return false; } else { # do not force a password for account creation by email # set pseudo password, it will be replaced later by a random generated password $this->mPassword = '-'; } } # if you need a confirmed email address to edit, then obviously you need an email address. if ( $wgEmailConfirmToEdit && empty( $this->mEmail ) ) { $this->mainLoginForm( wfMsg( 'noemailtitle' ) ); return false; } if( !empty( $this->mEmail ) && !User::isValidEmailAddr( $this->mEmail ) ) { $this->mainLoginForm( wfMsg( 'invalidemailaddress' ) ); 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: if( $wgUser->isAllowed( 'createaccount' ) ){ $this->mainLoginForm( wfMsg( 'nosuchuser', htmlspecialchars( $this->mName ) ) ); } else { $this->mainLoginForm( wfMsg( 'nosuchusershort', 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( "
$error
" ); $reset = new PasswordResetForm( $this->mName, $this->mPassword ); $reset->execute( null ); } /** * @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, 'passwordremindertitle', 'passwordremindertext' ); if( WikiError::isError( $result ) ) { $this->mainLoginForm( wfMsg( 'mailerror', $result->getMessage() ) ); } else { $this->mainLoginForm( wfMsg( 'passwordsent', $u->getName() ), 'success' ); } } /** * @param object user * @param bool throttle * @param string message name of email title * @param string message name of email text * @return mixed true on success, WikiError on failure * @private */ function mailPasswordInternal( $u, $throttle = true, $emailTitle = 'passwordremindertitle', $emailText = 'passwordremindertext' ) { 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( $emailText, $ip, $u->getName(), $np, $wgServer . $wgScript ); $result = $u->sendMail( wfMsg( $emailTitle ), $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->addWikiMsg( 'whitelistacctext' ); $wgOut->returnToMain( false ); } /** */ function userBlockedMessage() { global $wgOut, $wgUser; # 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(); $blocker = User::whoIs( $wgUser->mBlock->mBy ); $block_reason = $wgUser->mBlock->mReason; $wgOut->addWikiMsg( 'cantcreateaccount-text', $ip, $block_reason, $blocker ); $wgOut->returnToMain( false ); } /** * @private */ function mainLoginForm( $msg, $msgtype = 'error' ) { global $wgUser, $wgOut, $wgAllowRealName, $wgEnableEmail; global $wgCookiePrefix, $wgAuth, $wgLoginLanguageSelector; global $wgAuth, $wgEmailConfirmToEdit; 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 = ''; $link .= wfMsgHtml( $linkmsg . 'link' ); # Calling either 'gotaccountlink' or 'nologinlink' $link .= ''; # 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( 'emailrequired', $wgEmailConfirmToEdit ); $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->addWikiMsg( '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( '|', $lang ); if (count($parts) >= 2) { $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 ) ); } }