SpecialBlockList.php

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<?php
class SpecialBlockList extends SpecialPage {
    protected $target;

    protected $options;

    function __construct() {
        parent::__construct( 'BlockList' );
    }

    public function execute( $par ) {
        $this->setHeaders();
        $this->outputHeader();
        $out = $this->getOutput();
        $lang = $this->getLanguage();
        $out->setPageTitle( $this->msg( 'ipblocklist' ) );
        $out->addModuleStyles( [ 'mediawiki.special', 'mediawiki.special.blocklist' ] );

        $request = $this->getRequest();
        $par = $request->getVal( 'ip', $par );
        $this->target = trim( $request->getVal( 'wpTarget', $par ) );

        $this->options = $request->getArray( 'wpOptions', [] );

        $action = $request->getText( 'action' );

        if ( $action == 'unblock' || $action == 'submit' && $request->wasPosted() ) {
            # B/C @since 1.18: Unblock interface is now at Special:Unblock
            $title = SpecialPage::getTitleFor( 'Unblock', $this->target );
            $out->redirect( $title->getFullURL() );

            return;
        }

        # setup BlockListPager here to get the actual default Limit
        $pager = $this->getBlockListPager();

        # Just show the block list
        $fields = [
            'Target' => [
                'type' => 'user',
                'label-message' => 'ipaddressorusername',
                'tabindex' => '1',
                'size' => '45',
                'default' => $this->target,
            ],
            'Options' => [
                'type' => 'multiselect',
                'options-messages' => [
                    'blocklist-userblocks' => 'userblocks',
                    'blocklist-tempblocks' => 'tempblocks',
                    'blocklist-addressblocks' => 'addressblocks',
                    'blocklist-rangeblocks' => 'rangeblocks',
                ],
                'flatlist' => true,
            ],
            'Limit' => [
                'type' => 'limitselect',
                'label-message' => 'table_pager_limit_label',
                'options' => [
                    $lang->formatNum( 20 ) => 20,
                    $lang->formatNum( 50 ) => 50,
                    $lang->formatNum( 100 ) => 100,
                    $lang->formatNum( 250 ) => 250,
                    $lang->formatNum( 500 ) => 500,
                ],
                'name' => 'limit',
                'default' => $pager->getLimit(),
            ],
        ];
        $context = new DerivativeContext( $this->getContext() );
        $context->setTitle( $this->getPageTitle() ); // Remove subpage
        $form = HTMLForm::factory( 'ooui', $fields, $context );
        $form->setMethod( 'get' );
        $form->setWrapperLegendMsg( 'ipblocklist-legend' );
        $form->setSubmitTextMsg( 'ipblocklist-submit' );
        $form->setSubmitProgressive();
        $form->prepareForm();

        $form->displayForm( '' );
        $this->showList( $pager );
    }

    protected function getBlockListPager() {
        $conds = [];
        # Is the user allowed to see hidden blocks?
        if ( !$this->getUser()->isAllowed( 'hideuser' ) ) {
            $conds['ipb_deleted'] = 0;
        }

        if ( $this->target !== '' ) {
            list( $target, $type ) = Block::parseTarget( $this->target );

            switch ( $type ) {
                case Block::TYPE_ID:
                case Block::TYPE_AUTO:
                    $conds['ipb_id'] = $target;
                    break;

                case Block::TYPE_IP:
                case Block::TYPE_RANGE:
                    list( $start, $end ) = IP::parseRange( $target );
                    $dbr = wfGetDB( DB_SLAVE );
                    $conds[] = $dbr->makeList(
                        [
                            'ipb_address' => $target,
                            Block::getRangeCond( $start, $end )
                        ],
                        LIST_OR
                    );
                    $conds['ipb_auto'] = 0;
                    break;

                case Block::TYPE_USER:
                    $conds['ipb_address'] = $target->getName();
                    $conds['ipb_auto'] = 0;
                    break;
            }
        }

        # Apply filters
        if ( in_array( 'userblocks', $this->options ) ) {
            $conds['ipb_user'] = 0;
        }
        if ( in_array( 'tempblocks', $this->options ) ) {
            $conds['ipb_expiry'] = 'infinity';
        }
        if ( in_array( 'addressblocks', $this->options ) ) {
            $conds[] = "ipb_user != 0 OR ipb_range_end > ipb_range_start";
        }
        if ( in_array( 'rangeblocks', $this->options ) ) {
            $conds[] = "ipb_range_end = ipb_range_start";
        }

        return new BlockListPager( $this, $conds );
    }

    protected function showList( BlockListPager $pager ) {
        $out = $this->getOutput();

        # Check for other blocks, i.e. global/tor blocks
        $otherBlockLink = [];
        Hooks::run( 'OtherBlockLogLink', [ &$otherBlockLink, $this->target ] );

        # Show additional header for the local block only when other blocks exists.
        # Not necessary in a standard installation without such extensions enabled
        if ( count( $otherBlockLink ) ) {
            $out->addHTML(
                Html::element( 'h2', [], $this->msg( 'ipblocklist-localblock' )->text() ) . "\n"
            );
        }

        if ( $pager->getNumRows() ) {
            $out->addParserOutputContent( $pager->getFullOutput() );
        } elseif ( $this->target ) {
            $out->addWikiMsg( 'ipblocklist-no-results' );
        } else {
            $out->addWikiMsg( 'ipblocklist-empty' );
        }

        if ( count( $otherBlockLink ) ) {
            $out->addHTML(
                Html::rawElement(
                    'h2',
                    [],
                    $this->msg( 'ipblocklist-otherblocks', count( $otherBlockLink ) )->parse()
                ) . "\n"
            );
            $list = '';
            foreach ( $otherBlockLink as $link ) {
                $list .= Html::rawElement( 'li', [], $link ) . "\n";
            }
            $out->addHTML( Html::rawElement(
                'ul',
                [ 'class' => 'mw-ipblocklist-otherblocks' ],
                $list
            ) . "\n" );
        }
    }

    protected function getGroupName() {
        return 'users';
    }
}