SpecialChangeEmail.php

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<?php
use MediaWiki\Auth\AuthManager;
 
class SpecialChangeEmail extends FormSpecialPage {
    private $status;
 
    public function __construct() {
        parent::__construct( 'ChangeEmail', 'editmyprivateinfo' );
    }
 
    public function doesWrites() {
        return true;
    }
 
    public function isListed() {
        return AuthManager::singleton()->allowsPropertyChange( 'emailaddress' );
    }
 
    function execute( $par ) {
        $this->checkLoginSecurityLevel();
 
        $out = $this->getOutput();
        $out->disallowUserJs();
 
        parent::execute( $par );
    }
 
    protected function checkExecutePermissions( User $user ) {
        if ( !AuthManager::singleton()->allowsPropertyChange( 'emailaddress' ) ) {
            throw new ErrorPageError( 'changeemail', 'cannotchangeemail' );
        }
 
        $this->requireLogin( 'changeemail-no-info' );
 
        // This could also let someone check the current email address, so
        // require both permissions.
        if ( !$this->getUser()->isAllowed( 'viewmyprivateinfo' ) ) {
            throw new PermissionsError( 'viewmyprivateinfo' );
        }
 
        parent::checkExecutePermissions( $user );
    }
 
    protected function getFormFields() {
        $user = $this->getUser();
 
        $fields = [
            'Name' => [
                'type' => 'info',
                'label-message' => 'username',
                'default' => $user->getName(),
            ],
            'OldEmail' => [
                'type' => 'info',
                'label-message' => 'changeemail-oldemail',
                'default' => $user->getEmail() ?: $this->msg( 'changeemail-none' )->text(),
            ],
            'NewEmail' => [
                'type' => 'email',
                'label-message' => 'changeemail-newemail',
                'autofocus' => true,
                'help-message' => 'changeemail-newemail-help',
            ],
        ];
 
        return $fields;
    }
 
    protected function getDisplayFormat() {
        return 'ooui';
    }
 
    protected function alterForm( HTMLForm $form ) {
        $form->setId( 'mw-changeemail-form' );
        $form->setTableId( 'mw-changeemail-table' );
        $form->setSubmitTextMsg( 'changeemail-submit' );
        $form->addHiddenFields( $this->getRequest()->getValues( 'returnto', 'returntoquery' ) );
 
        $form->addHeaderText( $this->msg( 'changeemail-header' )->parseAsBlock() );
    }
 
    public function onSubmit( array $data ) {
        $status = $this->attemptChange( $this->getUser(), $data['NewEmail'] );
 
        $this->status = $status;
 
        return $status;
    }
 
    public function onSuccess() {
        $request = $this->getRequest();
 
        $returnto = $request->getVal( 'returnto' );
        $titleObj = $returnto !== null ? Title::newFromText( $returnto ) : null;
        if ( !$titleObj instanceof Title ) {
            $titleObj = Title::newMainPage();
        }
        $query = $request->getVal( 'returntoquery' );
 
        if ( $this->status->value === true ) {
            $this->getOutput()->redirect( $titleObj->getFullUrlForRedirect( $query ) );
        } elseif ( $this->status->value === 'eauth' ) {
            # Notify user that a confirmation email has been sent...
            $this->getOutput()->wrapWikiMsg( "<div class='error' style='clear: both;'>\n$1\n</div>",
                'eauthentsent', $this->getUser()->getName() );
            // just show the link to go back
            $this->getOutput()->addReturnTo( $titleObj, wfCgiToArray( $query ) );
        }
    }
 
    private function attemptChange( User $user, $newaddr ) {
        $authManager = AuthManager::singleton();
 
        if ( $newaddr != '' && !Sanitizer::validateEmail( $newaddr ) ) {
            return Status::newFatal( 'invalidemailaddress' );
        }
 
        if ( $newaddr === $user->getEmail() ) {
            return Status::newFatal( 'changeemail-nochange' );
        }
 
        $oldaddr = $user->getEmail();
        $status = $user->setEmailWithConfirmation( $newaddr );
        if ( !$status->isGood() ) {
            return $status;
        }
 
        Hooks::run( 'PrefsEmailAudit', [ $user, $oldaddr, $newaddr ] );
 
        $user->saveSettings();
        MediaWiki\Auth\AuthManager::callLegacyAuthPlugin( 'updateExternalDB', [ $user ] );
 
        return $status;
    }
 
    public function requiresUnblock() {
        return false;
    }
 
    protected function getGroupName() {
        return 'users';
    }
}