SpecialBlockList.php

Go to the documentation of this file.

<?php
namespace MediaWiki\Specials;
 
use MediaWiki\Block\BlockActionInfo;
use MediaWiki\Block\BlockRestrictionStore;
use MediaWiki\Block\BlockUtils;
use MediaWiki\Block\DatabaseBlock;
use MediaWiki\Block\DatabaseBlockStore;
use MediaWiki\Block\HideUserUtils;
use MediaWiki\Cache\LinkBatchFactory;
use MediaWiki\CommentFormatter\RowCommentFormatter;
use MediaWiki\CommentStore\CommentStore;
use MediaWiki\Config\ConfigException;
use MediaWiki\Html\Html;
use MediaWiki\HTMLForm\HTMLForm;
use MediaWiki\MainConfigNames;
use MediaWiki\Pager\BlockListPager;
use MediaWiki\SpecialPage\SpecialPage;
use Wikimedia\IPUtils;
use Wikimedia\Rdbms\IConnectionProvider;
use Wikimedia\Rdbms\IReadableDatabase;
 
class SpecialBlockList extends SpecialPage {
    protected $target;
 
    protected $options;
 
    protected $blockType;
 
    private LinkBatchFactory $linkBatchFactory;
    private DatabaseBlockStore $blockStore;
    private BlockRestrictionStore $blockRestrictionStore;
    private IConnectionProvider $dbProvider;
    private CommentStore $commentStore;
    private BlockUtils $blockUtils;
    private HideUserUtils $hideUserUtils;
    private BlockActionInfo $blockActionInfo;
    private RowCommentFormatter $rowCommentFormatter;
 
    public function __construct(
        LinkBatchFactory $linkBatchFactory,
        DatabaseBlockStore $blockStore,
        BlockRestrictionStore $blockRestrictionStore,
        IConnectionProvider $dbProvider,
        CommentStore $commentStore,
        BlockUtils $blockUtils,
        HideUserUtils $hideUserUtils,
        BlockActionInfo $blockActionInfo,
        RowCommentFormatter $rowCommentFormatter
    ) {
        parent::__construct( 'BlockList' );
 
        $this->linkBatchFactory = $linkBatchFactory;
        $this->blockStore = $blockStore;
        $this->blockRestrictionStore = $blockRestrictionStore;
        $this->dbProvider = $dbProvider;
        $this->commentStore = $commentStore;
        $this->blockUtils = $blockUtils;
        $this->hideUserUtils = $hideUserUtils;
        $this->blockActionInfo = $blockActionInfo;
        $this->rowCommentFormatter = $rowCommentFormatter;
    }
 
    public function execute( $par ) {
        $this->setHeaders();
        $this->outputHeader();
        $this->addHelpLink( 'Help:Blocking_users' );
        $out = $this->getOutput();
        $out->setPageTitleMsg( $this->msg( 'ipblocklist' ) );
        $out->addModuleStyles( [ 'mediawiki.special' ] );
 
        $request = $this->getRequest();
        $par = $request->getVal( 'ip', $par ?? '' );
        $this->target = trim( $request->getVal( 'wpTarget', $par ) );
 
        $this->options = $request->getArray( 'wpOptions', [] );
        $this->blockType = $request->getVal( 'blockType' );
 
        $action = $request->getText( 'action' );
 
        if ( $action == 'unblock' || ( $action == 'submit' && $request->wasPosted() ) ) {
            // B/C @since 1.18: Unblock interface is now at Special:Unblock
            $title = $this->getSpecialPageFactory()->getTitleForAlias( '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-tempblocks' => 'tempblocks',
                    'blocklist-indefblocks' => 'indefblocks',
                    'blocklist-autoblocks' => 'autoblocks',
                    'blocklist-userblocks' => 'userblocks',
                    'blocklist-addressblocks' => 'addressblocks',
                    'blocklist-rangeblocks' => 'rangeblocks',
                ],
                'flatlist' => true,
            ],
        ];
 
        $fields['BlockType'] = [
            'type' => 'select',
            'label-message' => 'blocklist-type',
            'options' => [
                $this->msg( 'blocklist-type-opt-all' )->escaped() => '',
                $this->msg( 'blocklist-type-opt-sitewide' )->escaped() => 'sitewide',
                $this->msg( 'blocklist-type-opt-partial' )->escaped() => 'partial',
            ],
            'name' => 'blockType',
            'cssclass' => 'mw-field-block-type',
        ];
 
        $fields['Limit'] = [
            'type' => 'limitselect',
            'label-message' => 'table_pager_limit_label',
            'options' => $pager->getLimitSelectList(),
            'name' => 'limit',
            'default' => $pager->getLimit(),
            'cssclass' => 'mw-field-limit mw-has-field-block-type',
        ];
 
        $form = HTMLForm::factory( 'ooui', $fields, $this->getContext() );
        $form
            ->setMethod( 'get' )
            ->setTitle( $this->getPageTitle() ) // Remove subpage
            ->setFormIdentifier( 'blocklist' )
            ->setWrapperLegendMsg( 'ipblocklist-legend' )
            ->setSubmitTextMsg( 'ipblocklist-submit' )
            ->prepareForm()
            ->displayForm( false );
 
        $this->showList( $pager );
    }
 
    protected function getBlockListPager() {
        $readStage = $this->getConfig()
                ->get( MainConfigNames::BlockTargetMigrationStage ) & SCHEMA_COMPAT_READ_MASK;
        if ( $readStage === SCHEMA_COMPAT_READ_OLD ) {
            $bl_deleted = 'ipb_deleted';
            $bl_id = 'ipb_id';
            $bt_auto = 'ipb_auto';
            $bt_user = 'ipb_user';
            $bl_expiry = 'ipb_expiry';
            $bl_sitewide = 'ipb_sitewide';
        } elseif ( $readStage === SCHEMA_COMPAT_READ_NEW ) {
            $bl_deleted = 'bl_deleted';
            $bl_id = 'bl_id';
            $bt_auto = 'bt_auto';
            $bt_user = 'bt_user';
            $bl_expiry = 'bl_expiry';
            $bl_sitewide = 'bl_sitewide';
        } else {
            throw new ConfigException(
                '$wgBlockTargetMigrationStage has an invalid read stage' );
        }
 
        $conds = [];
        $db = $this->getDB();
 
        if ( $this->target !== '' ) {
            [ $target, $type ] = $this->blockUtils->parseBlockTarget( $this->target );
 
            switch ( $type ) {
                case DatabaseBlock::TYPE_ID:
                case DatabaseBlock::TYPE_AUTO:
                    $conds[$bl_id] = $target;
                    break;
 
                case DatabaseBlock::TYPE_IP:
                case DatabaseBlock::TYPE_RANGE:
                    [ $start, $end ] = IPUtils::parseRange( $target );
                    $conds[] = $this->blockStore->getRangeCond( $start, $end,
                        DatabaseBlockStore::SCHEMA_CURRENT );
                    $conds[$bt_auto] = 0;
                    break;
 
                case DatabaseBlock::TYPE_USER:
                    if ( $target->getId() ) {
                        $conds[$bt_user] = $target->getId();
                        $conds[$bt_auto] = 0;
                    } else {
                        // No such user
                        $conds[] = '1=0';
                    }
                    break;
            }
        }
 
        // Apply filters
        if ( in_array( 'userblocks', $this->options ) ) {
            if ( $readStage === SCHEMA_COMPAT_READ_OLD ) {
                $conds['ipb_user'] = 0;
            } else {
                $conds['bt_user'] = null;
            }
        }
        if ( in_array( 'autoblocks', $this->options ) ) {
            if ( $readStage === SCHEMA_COMPAT_READ_OLD ) {
                // ipb_parent_block_id = 0 because of T282890
                $conds['ipb_parent_block_id'] = [ null, 0 ];
            } else {
                $conds['bl_parent_block_id'] = null;
            }
        }
        if ( in_array( 'addressblocks', $this->options )
            && in_array( 'rangeblocks', $this->options )
        ) {
            // Simpler conditions for only user blocks (T360864)
            if ( $readStage === SCHEMA_COMPAT_READ_OLD ) {
                $conds[] = "ipb_user != 0";
            } else {
                $conds[] = "bt_user IS NOT NULL";
            }
        } elseif ( in_array( 'addressblocks', $this->options ) ) {
            if ( $readStage === SCHEMA_COMPAT_READ_OLD ) {
                $conds[] = "ipb_user != 0 OR ipb_range_end > ipb_range_start";
            } else {
                $conds[] = "bt_user IS NOT NULL OR bt_range_start IS NOT NULL";
            }
        } elseif ( in_array( 'rangeblocks', $this->options ) ) {
            if ( $readStage === SCHEMA_COMPAT_READ_OLD ) {
                $conds[] = "ipb_range_end = ipb_range_start";
            } else {
                $conds['bt_range_start'] = null;
            }
        }
 
        $hideTemp = in_array( 'tempblocks', $this->options );
        $hideIndef = in_array( 'indefblocks', $this->options );
        if ( $hideTemp && $hideIndef ) {
            // If both types are hidden, ensure query doesn't produce any results
            $conds[] = '1=0';
        } elseif ( $hideTemp ) {
            $conds[$bl_expiry] = $db->getInfinity();
        } elseif ( $hideIndef ) {
            $conds[] = $db->expr( $bl_expiry, '!=', $db->getInfinity() );
        }
 
        if ( $this->blockType === 'sitewide' ) {
            $conds[$bl_sitewide] = 1;
        } elseif ( $this->blockType === 'partial' ) {
            $conds[$bl_sitewide] = 0;
        }
 
        return new BlockListPager(
            $this->getContext(),
            $this->blockActionInfo,
            $this->blockRestrictionStore,
            $this->blockUtils,
            $this->hideUserUtils,
            $this->commentStore,
            $this->linkBatchFactory,
            $this->getLinkRenderer(),
            $this->dbProvider,
            $this->rowCommentFormatter,
            $this->getSpecialPageFactory(),
            $conds
        );
    }
 
    protected function showList( BlockListPager $pager ) {
        $out = $this->getOutput();
 
        // Check for other blocks, i.e. global/tor blocks
        $otherBlockLink = [];
        $this->getHookRunner()->onOtherBlockLogLink( $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';
    }
 
    protected function getDB() {
        return $this->dbProvider->getReplicaDatabase();
    }
}
 
class_alias( SpecialBlockList::class, 'SpecialBlockList' );