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diff --git a/includes/specials/SpecialUserlogin.php b/includes/specials/SpecialUserlogin.php
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+<?php
+/**
+ * @file
+ * @ingroup SpecialPage
+ */
+
+/**
+ * constructor
+ */
+function wfSpecialUserlogin( $par = '' ) {
+ global $wgRequest;
+ if( session_id() == '' ) {
+ wfSetupSession();
+ }
+
+ $form = new LoginForm( $wgRequest, $par );
+ $form->execute();
+}
+
+/**
+ * implements Special:Login
+ * @ingroup 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;
+ const CREATE_BLOCKED = 9;
+
+ var $mName, $mPassword, $mRetype, $mReturnTo, $mCookieCheck, $mPosted;
+ var $mAction, $mCreateaccount, $mCreateaccountMail, $mMailmypassword;
+ var $mLoginattempt, $mRemember, $mEmail, $mDomain, $mLanguage, $mSkipCookieCheck;
+
+ /**
+ * 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' );
+ $this->mSkipCookieCheck = $request->getCheck( 'wpSkipCookieCheck' );
+
+ 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 );
+
+ # Send out an email authentication message if needed
+ 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' );
+ }
+ }
+
+ # 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( $wgUser->isAnon() ) {
+ $wgUser = $u;
+ $wgUser->setCookies();
+ wfRunHooks( 'AddNewAccount', array( $wgUser ) );
+ if( $this->hasSessionCookie() ) {
+ return $this->successfulLogin( '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( wfMsgExt( 'passwordtooshort', array( 'parsemag' ), $wgMinimalPasswordLength ) );
+ return false;
+ } else {
+ # 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;
+ }
+ }
+
+ # 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;
+ }
+
+ // Load $wgUser now, and check to see if we're logging in as the same name.
+ // This is necessary because loading $wgUser (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 ( $wgUser->getName() === $this->mName ) {
+ wfDebug( __METHOD__.": already logged in as {$this->mName}\n" );
+ return self::SUCCESS;
+ }
+ $u = User::newFromName( $this->mName );
+ if( is_null( $u ) || !User::isUsableName( $u->getName() ) ) {
+ return self::ILLEGAL;
+ }
+
+ $isAutoCreated = false;
+ if ( 0 == $u->getID() ) {
+ $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;
+ 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();
+ $u->saveSettings();
+ }
+
+ // 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;
+
+ if ( $isAutoCreated ) {
+ // Must be run after $wgUser is set, for correct new user log
+ wfRunHooks( 'AuthPluginAutoCreate', array( $wgUser ) );
+ }
+
+ $retval = self::SUCCESS;
+ }
+ wfRunHooks( 'LoginAuthenticateAudit', array( $u, $this->mPassword, $retval ) );
+ return $retval;
+ }
+
+ /**
+ * Attempt to automatically create a user on login.
+ * Only succeeds if there is an external authentication method which allows it.
+ * @return integer Status code
+ */
+ function attemptAutoCreate( $user ) {
+ global $wgAuth, $wgUser;
+ /**
+ * If the external authentication plugin allows it,
+ * automatically create a new account for users that
+ * are externally defined but have not yet logged in.
+ */
+ if ( !$wgAuth->autoCreate() ) {
+ 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;
+ }
+ if ( $wgUser->isBlockedFromCreateAccount() ) {
+ wfDebug( __METHOD__.": user is blocked from account creation\n" );
+ return self::CREATE_BLOCKED;
+ }
+
+ wfDebug( __METHOD__.": creating account\n" );
+ $user = $this->initUser( $user, true );
+ return self::SUCCESS;
+ }
+
+ 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() || $this->mSkipCookieCheck ) {
+ /* Replace the language object to provide user interface in correct
+ * language immediately on this first page load.
+ */
+ global $wgLang, $wgRequest;
+ $code = $wgRequest->getVal( 'uselang', $wgUser->getOption( 'language' ) );
+ $wgLang = Language::factory( $code );
+ return $this->successfulLogin( '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;
+ case self::CREATE_BLOCKED:
+ $this->userBlockedMessage();
+ break;
+ default:
+ throw new MWException( "Unhandled case value" );
+ }
+ }
+
+ function resetLoginForm( $error ) {
+ global $wgOut;
+ $wgOut->addWikiText( "<div class=\"errorbox\">$error</div>" );
+ $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( wfMsgExt( 'throttled-mailpassword', array( 'parsemag' ),
+ 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 );
+ $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 key that will be shown on success
+ * @param $params String: parameters for the above message
+ * @param bool $auto Toggle auto-redirect to main page; default true
+ * @private
+ */
+ function successfulLogin( $msg, $params, $auto = true ) {
+ global $wgUser;
+ global $wgOut;
+
+ # Run any hooks; ignore results
+
+ $injected_html = '';
+ wfRunHooks('UserLoginComplete', array(&$wgUser, &$injected_html));
+
+ $wgOut->setPageTitle( wfMsg( 'loginsuccesstitle' ) );
+ $wgOut->setRobotpolicy( 'noindex,nofollow' );
+ $wgOut->setArticleRelated( false );
+ $wgOut->addWikiMsgArray( $msg, $params );
+ $wgOut->addHtml( $injected_html );
+ if ( !empty( $this->mReturnTo ) ) {
+ $wgOut->returnToMain( $auto, $this->mReturnTo );
+ } else {
+ $wgOut->returnToMain( $auto );
+ }
+ }
+
+ /** */
+ function userNotPrivilegedMessage($errors) {
+ global $wgOut;
+
+ $wgOut->setPageTitle( wfMsg( 'permissionserrors' ) );
+ $wgOut->setRobotpolicy( 'noindex,nofollow' );
+ $wgOut->setArticleRelated( false );
+
+ $wgOut->addWikitext( $wgOut->formatPermissionsErrorMessage( $errors, 'createaccount' ) );
+ // Stuff that might want to be added at the end. For example, instructions if blocked.
+ $wgOut->addWikiMsg( 'cantcreateaccount-nonblock-text' );
+
+ $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;
+
+ if ( strval( $block_reason ) === '' ) {
+ $block_reason = wfMsg( 'blockednoreason' );
+ }
+ $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;
+
+ $titleObj = SpecialPage::getTitleFor( 'Userlogin' );
+
+ 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.
+ if ( wfReadOnly() ) {
+ $wgOut->readOnlyPage();
+ return;
+ } elseif ( $wgUser->isBlockedFromCreateAccount() ) {
+ $this->userBlockedMessage();
+ return;
+ } elseif ( count( $permErrors = $titleObj->getUserPermissionsErrors( 'createaccount', $wgUser, true ) )>0 ) {
+ $wgOut->showPermissionsErrorPage( $permErrors, 'createaccount' );
+ 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' ); # Calling either 'gotaccountlink' or 'nologinlink'
+ $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( '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( wfMsgExt( 'nocookiesnew', array( 'parseinline' ) ) );
+ } else if ( $type == 'login' ) {
+ return $this->mainLoginForm( wfMsgExt( 'nocookieslogin', array( 'parseinline' ) ) );
+ } else {
+ # shouldn't happen
+ return $this->mainLoginForm( wfMsg( 'error' ) );
+ }
+ } else {
+ return $this->successfulLogin( '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 ) );
+ }
+}