SpecialConfirmemail.php

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<?php
class EmailConfirmation extends UnlistedSpecialPage {
    public function __construct() {
        parent::__construct( 'Confirmemail', 'editmyprivateinfo' );
    }

    function execute( $code ) {
        $this->setHeaders();

        $this->checkReadOnly();
        $this->checkPermissions();

        $this->requireLogin( 'confirmemail_needlogin' );

        // This could also let someone check the current email address, so
        // require both permissions.
        if ( !$this->getUser()->isAllowed( 'viewmyprivateinfo' ) ) {
            throw new PermissionsError( 'viewmyprivateinfo' );
        }

        if ( $code === null || $code === '' ) {
            if ( Sanitizer::validateEmail( $this->getUser()->getEmail() ) ) {
                $this->showRequestForm();
            } else {
                $this->getOutput()->addWikiMsg( 'confirmemail_noemail' );
            }
        } else {
            $this->attemptConfirm( $code );
        }
    }

    function showRequestForm() {
        $user = $this->getUser();
        $out = $this->getOutput();

        if ( $this->getRequest()->wasPosted() &&
            $user->matchEditToken( $this->getRequest()->getText( 'token' ) )
        ) {
            $status = $user->sendConfirmationMail();
            if ( $status->isGood() ) {
                $out->addWikiMsg( 'confirmemail_sent' );
            } else {
                $out->addWikiText( $status->getWikiText( 'confirmemail_sendfailed' ) );
            }
        } elseif ( $user->isEmailConfirmed() ) {
            // date and time are separate parameters to facilitate localisation.
            // $time is kept for backward compat reasons.
            // 'emailauthenticated' is also used in SpecialPreferences.php
            $lang = $this->getLanguage();
            $emailAuthenticated = $user->getEmailAuthenticationTimestamp();
            $time = $lang->userTimeAndDate( $emailAuthenticated, $user );
            $d = $lang->userDate( $emailAuthenticated, $user );
            $t = $lang->userTime( $emailAuthenticated, $user );
            $out->addWikiMsg( 'emailauthenticated', $time, $d, $t );
        } else {
            if ( $user->isEmailConfirmationPending() ) {
                $out->wrapWikiMsg(
                    "<div class=\"error mw-confirmemail-pending\">\n$1\n</div>",
                    'confirmemail_pending'
                );
            }

            $out->addWikiMsg( 'confirmemail_text' );
            $form = Html::openElement(
                'form',
                array( 'method' => 'post', 'action' => $this->getPageTitle()->getLocalURL() )
            ) . "\n";
            $form .= Html::hidden( 'token', $user->getEditToken() ) . "\n";
            $form .= Xml::submitButton( $this->msg( 'confirmemail_send' )->text() ) . "\n";
            $form .= Html::closeElement( 'form' ) . "\n";
            $out->addHTML( $form );
        }
    }

    function attemptConfirm( $code ) {
        $user = User::newFromConfirmationCode( $code );
        if ( !is_object( $user ) ) {
            $this->getOutput()->addWikiMsg( 'confirmemail_invalid' );

            return;
        }

        $user->confirmEmail();
        $user->saveSettings();
        $message = $this->getUser()->isLoggedIn() ? 'confirmemail_loggedin' : 'confirmemail_success';
        $this->getOutput()->addWikiMsg( $message );

        if ( !$this->getUser()->isLoggedIn() ) {
            $title = SpecialPage::getTitleFor( 'Userlogin' );
            $this->getOutput()->returnToMain( true, $title );
        }
    }
}

class EmailInvalidation extends UnlistedSpecialPage {
    public function __construct() {
        parent::__construct( 'Invalidateemail', 'editmyprivateinfo' );
    }

    function execute( $code ) {
        $this->setHeaders();
        $this->checkReadOnly();
        $this->checkPermissions();
        $this->attemptInvalidate( $code );
    }

    function attemptInvalidate( $code ) {
        $user = User::newFromConfirmationCode( $code );
        if ( !is_object( $user ) ) {
            $this->getOutput()->addWikiMsg( 'confirmemail_invalid' );

            return;
        }

        $user->invalidateEmail();
        $user->saveSettings();
        $this->getOutput()->addWikiMsg( 'confirmemail_invalidated' );

        if ( !$this->getUser()->isLoggedIn() ) {
            $this->getOutput()->returnToMain();
        }
    }
}