WebInstallerName.php

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<?php
class WebInstallerName extends WebInstallerPage {

    public function execute() {
        $r = $this->parent->request;
        if ( $r->wasPosted() ) {
            if ( $this->submit() ) {
                return 'continue';
            }
        }

        $this->startForm();

        // Encourage people to not name their site 'MediaWiki' by blanking the
        // field. I think that was the intent with the original $GLOBALS['wgSitename']
        // but these two always were the same so had the effect of making the
        // installer forget $wgSitename when navigating back to this page.
        if ( $this->getVar( 'wgSitename' ) == 'MediaWiki' ) {
            $this->setVar( 'wgSitename', '' );
        }

        // Set wgMetaNamespace to something valid before we show the form.
        // $wgMetaNamespace defaults to $wgSiteName which is 'MediaWiki'
        $metaNS = $this->getVar( 'wgMetaNamespace' );
        $this->setVar(
            'wgMetaNamespace',
            wfMessage( 'config-ns-other-default' )->inContentLanguage()->text()
        );

        $pingbackInfo = ( new Pingback() )->getSystemInfo();
        // Database isn't available in config yet, so take it
        // from the installer
        $pingbackInfo['database'] = $this->getVar( 'wgDBtype' );

        $this->addHTML(
            $this->parent->getTextBox( [
                'var' => 'wgSitename',
                'label' => 'config-site-name',
                'help' => $this->parent->getHelpBox( 'config-site-name-help' )
            ] ) .
            // getRadioSet() builds a set of labeled radio buttons.
            // For grep: The following messages are used as the item labels:
            // config-ns-site-name, config-ns-generic, config-ns-other
            $this->parent->getRadioSet( [
                'var' => '_NamespaceType',
                'label' => 'config-project-namespace',
                'itemLabelPrefix' => 'config-ns-',
                'values' => [ 'site-name', 'generic', 'other' ],
                'commonAttribs' => [ 'class' => 'enableForOther',
                    'rel' => 'config_wgMetaNamespace' ],
                'help' => $this->parent->getHelpBox( 'config-project-namespace-help' )
            ] ) .
            $this->parent->getTextBox( [
                'var' => 'wgMetaNamespace',
                'label' => '', // @todo Needs a label?
                'attribs' => [ 'readonly' => 'readonly', 'class' => 'enabledByOther' ]
            ] ) .
            $this->getFieldsetStart( 'config-admin-box' ) .
            $this->parent->getTextBox( [
                'var' => '_AdminName',
                'label' => 'config-admin-name',
                'help' => $this->parent->getHelpBox( 'config-admin-help' )
            ] ) .
            $this->parent->getPasswordBox( [
                'var' => '_AdminPassword',
                'label' => 'config-admin-password',
            ] ) .
            $this->parent->getPasswordBox( [
                'var' => '_AdminPasswordConfirm',
                'label' => 'config-admin-password-confirm'
            ] ) .
            $this->parent->getTextBox( [
                'var' => '_AdminEmail',
                'attribs' => [
                    'dir' => 'ltr',
                ],
                'label' => 'config-admin-email',
                'help' => $this->parent->getHelpBox( 'config-admin-email-help' )
            ] ) .
            $this->parent->getCheckBox( [
                'var' => '_Subscribe',
                'label' => 'config-subscribe',
                'help' => $this->parent->getHelpBox( 'config-subscribe-help' )
            ] ) .
            $this->parent->getCheckBox( [
                'var' => 'wgPingback',
                'label' => 'config-pingback',
                'help' => $this->parent->getHelpBox(
                    'config-pingback-help',
                    FormatJson::encode( $pingbackInfo, true )
                ),
                'value' => true,
            ] ) .
            $this->getFieldsetEnd() .
            $this->parent->getInfoBox( wfMessage( 'config-almost-done' )->text() ) .
            // getRadioSet() builds a set of labeled radio buttons.
            // For grep: The following messages are used as the item labels:
            // config-optional-continue, config-optional-skip
            $this->parent->getRadioSet( [
                'var' => '_SkipOptional',
                'itemLabelPrefix' => 'config-optional-',
                'values' => [ 'continue', 'skip' ]
            ] )
        );

        // Restore the default value
        $this->setVar( 'wgMetaNamespace', $metaNS );

        $this->endForm();

        return 'output';
    }

    public function submit() {
        global $wgPasswordPolicy;

        $retVal = true;
        $this->parent->setVarsFromRequest( [ 'wgSitename', '_NamespaceType',
            '_AdminName', '_AdminPassword', '_AdminPasswordConfirm', '_AdminEmail',
            '_Subscribe', '_SkipOptional', 'wgMetaNamespace', 'wgPingback' ] );

        // Validate site name
        if ( strval( $this->getVar( 'wgSitename' ) ) === '' ) {
            $this->parent->showError( 'config-site-name-blank' );
            $retVal = false;
        }

        // Fetch namespace
        $nsType = $this->getVar( '_NamespaceType' );
        if ( $nsType == 'site-name' ) {
            $name = $this->getVar( 'wgSitename' );
            // Sanitize for namespace
            // This algorithm should match the JS one in WebInstallerOutput.php
            $name = preg_replace( '/[\[\]\{\}|#<>%+? ]/', '_', $name );
            $name = str_replace( '&', '&amp;', $name );
            $name = preg_replace( '/__+/', '_', $name );
            $name = ucfirst( trim( $name, '_' ) );
        } elseif ( $nsType == 'generic' ) {
            $name = wfMessage( 'config-ns-generic' )->text();
        } else { // other
            $name = $this->getVar( 'wgMetaNamespace' );
        }

        // Validate namespace
        if ( strpos( $name, ':' ) !== false ) {
            $good = false;
        } else {
            // Title-style validation
            $title = Title::newFromText( $name );
            if ( !$title ) {
                $good = $nsType == 'site-name';
            } else {
                $name = $title->getDBkey();
                $good = true;
            }
        }
        if ( !$good ) {
            $this->parent->showError( 'config-ns-invalid', $name );
            $retVal = false;
        }

        // Make sure it won't conflict with any existing namespaces
        global $wgContLang;
        $nsIndex = $wgContLang->getNsIndex( $name );
        if ( $nsIndex !== false && $nsIndex !== NS_PROJECT ) {
            $this->parent->showError( 'config-ns-conflict', $name );
            $retVal = false;
        }

        $this->setVar( 'wgMetaNamespace', $name );

        // Validate username for creation
        $name = $this->getVar( '_AdminName' );
        if ( strval( $name ) === '' ) {
            $this->parent->showError( 'config-admin-name-blank' );
            $cname = $name;
            $retVal = false;
        } else {
            $cname = User::getCanonicalName( $name, 'creatable' );
            if ( $cname === false ) {
                $this->parent->showError( 'config-admin-name-invalid', $name );
                $retVal = false;
            } else {
                $this->setVar( '_AdminName', $cname );
            }
        }

        // Validate password
        $msg = false;
        $pwd = $this->getVar( '_AdminPassword' );
        $user = User::newFromName( $cname );
        if ( $user ) {
            $upp = new UserPasswordPolicy(
                $wgPasswordPolicy['policies'],
                $wgPasswordPolicy['checks']
            );
            $status = $upp->checkUserPasswordForGroups(
                $user,
                $pwd,
                [ 'bureaucrat', 'sysop' ]  // per Installer::createSysop()
            );
            $valid = $status->isGood() ? true : $status->getMessage();
        } else {
            $valid = 'config-admin-name-invalid';
        }
        if ( strval( $pwd ) === '' ) {
            // Provide a more specific and helpful message if password field is left blank
            $msg = 'config-admin-password-blank';
        } elseif ( $pwd !== $this->getVar( '_AdminPasswordConfirm' ) ) {
            $msg = 'config-admin-password-mismatch';
        } elseif ( $valid !== true ) {
            $msg = $valid;
        }
        if ( $msg !== false ) {
            call_user_func( [ $this->parent, 'showError' ], $msg );
            $this->setVar( '_AdminPassword', '' );
            $this->setVar( '_AdminPasswordConfirm', '' );
            $retVal = false;
        }

        // Validate e-mail if provided
        $email = $this->getVar( '_AdminEmail' );
        if ( $email && !Sanitizer::validateEmail( $email ) ) {
            $this->parent->showError( 'config-admin-error-bademail' );
            $retVal = false;
        }
        // If they asked to subscribe to mediawiki-announce but didn't give
        // an e-mail, show an error. Bug 29332
        if ( !$email && $this->getVar( '_Subscribe' ) ) {
            $this->parent->showError( 'config-subscribe-noemail' );
            $retVal = false;
        }

        return $retVal;
    }

}