SpecialContributions.php

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<?php
use MediaWiki\Block\DatabaseBlock;
use MediaWiki\Cache\LinkBatchFactory;
use MediaWiki\CommentFormatter\CommentFormatter;
use MediaWiki\HookContainer\HookRunner;
use MediaWiki\MainConfigNames;
use MediaWiki\MediaWikiServices;
use MediaWiki\Permissions\PermissionManager;
use MediaWiki\Revision\RevisionStore;
use MediaWiki\User\UserFactory;
use MediaWiki\User\UserNamePrefixSearch;
use MediaWiki\User\UserNameUtils;
use MediaWiki\User\UserOptionsLookup;
use MediaWiki\User\UserRigorOptions;
use Wikimedia\IPUtils;
use Wikimedia\Rdbms\ILoadBalancer;
 
class SpecialContributions extends IncludableSpecialPage {
    protected $opts;
 
    private $linkBatchFactory;
 
    private $permissionManager;
 
    private $loadBalancer;
 
    private $actorMigration;
 
    private $revisionStore;
 
    private $namespaceInfo;
 
    private $userNameUtils;
 
    private $userNamePrefixSearch;
 
    private $userOptionsLookup;
 
    private $commentFormatter;
 
    private $userFactory;
 
    private $pager = null;
 
    public function __construct(
        LinkBatchFactory $linkBatchFactory = null,
        PermissionManager $permissionManager = null,
        ILoadBalancer $loadBalancer = null,
        ActorMigration $actorMigration = null,
        RevisionStore $revisionStore = null,
        NamespaceInfo $namespaceInfo = null,
        UserNameUtils $userNameUtils = null,
        UserNamePrefixSearch $userNamePrefixSearch = null,
        UserOptionsLookup $userOptionsLookup = null,
        CommentFormatter $commentFormatter = null,
        UserFactory $userFactory = null
    ) {
        parent::__construct( 'Contributions' );
        // This class is extended and therefore falls back to global state - T269521
        $services = MediaWikiServices::getInstance();
        $this->linkBatchFactory = $linkBatchFactory ?? $services->getLinkBatchFactory();
        $this->permissionManager = $permissionManager ?? $services->getPermissionManager();
        $this->loadBalancer = $loadBalancer ?? $services->getDBLoadBalancer();
        $this->actorMigration = $actorMigration ?? $services->getActorMigration();
        $this->revisionStore = $revisionStore ?? $services->getRevisionStore();
        $this->namespaceInfo = $namespaceInfo ?? $services->getNamespaceInfo();
        $this->userNameUtils = $userNameUtils ?? $services->getUserNameUtils();
        $this->userNamePrefixSearch = $userNamePrefixSearch ?? $services->getUserNamePrefixSearch();
        $this->userOptionsLookup = $userOptionsLookup ?? $services->getUserOptionsLookup();
        $this->commentFormatter = $commentFormatter ?? $services->getCommentFormatter();
        $this->userFactory = $userFactory ?? $services->getUserFactory();
    }
 
    public function execute( $par ) {
        $this->setHeaders();
        $this->outputHeader();
        $out = $this->getOutput();
        // Modules required for viewing the list of contributions (also when included on other pages)
        $out->addModuleStyles( [
            'jquery.makeCollapsible.styles',
            'mediawiki.interface.helpers.styles',
            'mediawiki.special',
            'mediawiki.special.changeslist',
        ] );
        $out->addModules( [
            // Certain skins e.g. Minerva might have disabled this module.
            'mediawiki.page.ready'
        ] );
        $this->addHelpLink( 'Help:User contributions' );
 
        $this->opts = [];
        $request = $this->getRequest();
 
        $target = $par ?? $request->getVal( 'target', '' );
        '@phan-var string $target'; // getVal does not return null here
 
        $this->opts['deletedOnly'] = $request->getBool( 'deletedOnly' );
 
        if ( !strlen( $target ) ) {
            if ( !$this->including() ) {
                $out->addHTML( $this->getForm( $this->opts ) );
            }
 
            return;
        }
 
        $user = $this->getUser();
 
        $this->opts['limit'] = $request->getInt( 'limit', $this->userOptionsLookup->getIntOption( $user, 'rclimit' ) );
        $this->opts['target'] = $target;
        $this->opts['topOnly'] = $request->getBool( 'topOnly' );
        $this->opts['newOnly'] = $request->getBool( 'newOnly' );
        $this->opts['hideMinor'] = $request->getBool( 'hideMinor' );
 
        $ns = $request->getVal( 'namespace', null );
        if ( $ns !== null && $ns !== '' && $ns !== 'all' ) {
            $this->opts['namespace'] = intval( $ns );
        } else {
            $this->opts['namespace'] = '';
        }
 
        // Backwards compatibility: Before using OOUI form the old HTML form had
        // fields for nsInvert and associated. These have now been replaced with the
        // wpFilters query string parameters. These are retained to keep old URIs working.
        $this->opts['associated'] = $request->getBool( 'associated' );
        $this->opts['nsInvert'] = (bool)$request->getVal( 'nsInvert' );
        $nsFilters = $request->getArray( 'wpfilters', null );
        if ( $nsFilters !== null ) {
            $this->opts['associated'] = in_array( 'associated', $nsFilters );
            $this->opts['nsInvert'] = in_array( 'nsInvert', $nsFilters );
        }
 
        $this->opts['tagfilter'] = array_filter( explode(
            '|',
            (string)$request->getVal( 'tagfilter' )
        ), static function ( $el ) {
            return $el !== '';
        } );
 
        // Allows reverts to have the bot flag in recent changes. It is just here to
        // be passed in the form at the top of the page
        if ( $this->permissionManager->userHasRight( $user, 'markbotedits' ) && $request->getBool( 'bot' ) ) {
            $this->opts['bot'] = '1';
        }
 
        $skip = $request->getText( 'offset' ) || $request->getText( 'dir' ) == 'prev';
        # Offset overrides year/month selection
        if ( !$skip ) {
            $this->opts['year'] = $request->getIntOrNull( 'year' );
            $this->opts['month'] = $request->getIntOrNull( 'month' );
 
            $this->opts['start'] = $request->getVal( 'start' );
            $this->opts['end'] = $request->getVal( 'end' );
        }
 
        $id = 0;
        if ( ExternalUserNames::isExternal( $target ) ) {
            $userObj = $this->userFactory->newFromName( $target, UserRigorOptions::RIGOR_NONE );
            if ( !$userObj ) {
                $out->addHTML( $this->getForm( $this->opts ) );
                return;
            }
 
            $out->addSubtitle( $this->contributionsSub( $userObj, $target ) );
            $out->setPageTitle( $this->msg( 'contributions-title', $target )->escaped() );
        } else {
            $nt = Title::makeTitleSafe( NS_USER, $target );
            if ( !$nt ) {
                $out->addHTML( $this->getForm( $this->opts ) );
                return;
            }
            $target = $nt->getText();
            if ( IPUtils::isValidRange( $target ) ) {
                $target = IPUtils::sanitizeRange( $target );
            }
            $userObj = $this->userFactory->newFromName( $target, UserRigorOptions::RIGOR_NONE );
            if ( !$userObj ) {
                $out->addHTML( $this->getForm( $this->opts ) );
                return;
            }
            $id = $userObj->getId();
 
            $out->addSubtitle( $this->contributionsSub( $userObj, $target ) );
            $out->setPageTitle( $this->msg( 'contributions-title', $target )->escaped() );
 
            # For IP ranges, we want the contributionsSub, but not the skin-dependent
            # links under 'Tools', which may include irrelevant links like 'Logs'.
            if ( !IPUtils::isValidRange( $target ) &&
                ( $this->userNameUtils->isIP( $target ) || $userObj->isRegistered() )
            ) {
                // Don't add non-existent users, because hidden users
                // that we add here will be removed later to pretend
                // that they don't exist, and if users that actually don't
                // exist are added here and then not removed, it exposes
                // which users exist and are hidden vs. which actually don't
                // exist. But, do set the relevant user for single IPs.
                $this->getSkin()->setRelevantUser( $userObj );
            }
        }
 
        $this->opts = ContribsPager::processDateFilter( $this->opts );
 
        if ( $this->opts['namespace'] !== '' && $this->opts['namespace'] < NS_MAIN ) {
            $this->getOutput()->wrapWikiMsg(
                "<div class=\"mw-negative-namespace-not-supported error\">\n\$1\n</div>",
                [ 'negative-namespace-not-supported' ]
            );
            $out->addHTML( $this->getForm( $this->opts ) );
            return;
        }
 
        $feedType = $request->getVal( 'feed' );
 
        $feedParams = [
            'action' => 'feedcontributions',
            'user' => $target,
        ];
        if ( $this->opts['topOnly'] ) {
            $feedParams['toponly'] = true;
        }
        if ( $this->opts['newOnly'] ) {
            $feedParams['newonly'] = true;
        }
        if ( $this->opts['hideMinor'] ) {
            $feedParams['hideminor'] = true;
        }
        if ( $this->opts['deletedOnly'] ) {
            $feedParams['deletedonly'] = true;
        }
 
        if ( $this->opts['tagfilter'] !== [] ) {
            $feedParams['tagfilter'] = $this->opts['tagfilter'];
        }
        if ( $this->opts['namespace'] !== '' ) {
            $feedParams['namespace'] = $this->opts['namespace'];
        }
        // Don't use year and month for the feed URL, but pass them on if
        // we redirect to API (if $feedType is specified)
        if ( $feedType && isset( $this->opts['year'] ) ) {
            $feedParams['year'] = $this->opts['year'];
        }
        if ( $feedType && isset( $this->opts['month'] ) ) {
            $feedParams['month'] = $this->opts['month'];
        }
 
        if ( $feedType ) {
            // Maintain some level of backwards compatibility
            // If people request feeds using the old parameters, redirect to API
            $feedParams['feedformat'] = $feedType;
            $url = wfAppendQuery( wfScript( 'api' ), $feedParams );
 
            $out->redirect( $url, '301' );
 
            return;
        }
 
        // Add RSS/atom links
        $this->addFeedLinks( $feedParams );
 
        if ( $this->getHookRunner()->onSpecialContributionsBeforeMainOutput(
            $id, $userObj, $this )
        ) {
            if ( !$this->including() ) {
                $out->addHTML( $this->getForm( $this->opts ) );
            }
            $pager = $this->getPager( $userObj );
            if ( IPUtils::isValidRange( $target ) && !$pager->isQueryableRange( $target ) ) {
                // Valid range, but outside CIDR limit.
                $limits = $this->getConfig()->get( MainConfigNames::RangeContributionsCIDRLimit );
                $limit = $limits[ IPUtils::isIPv4( $target ) ? 'IPv4' : 'IPv6' ];
                $out->addWikiMsg( 'sp-contributions-outofrange', $limit );
            } else {
                // @todo We just want a wiki ID here, not a "DB domain", but
                // current status of MediaWiki conflates the two. See T235955.
                $poolKey = $this->loadBalancer->getLocalDomainID() . ':SpecialContributions:';
                if ( $this->getUser()->isAnon() ) {
                    $poolKey .= 'a:' . $this->getUser()->getName();
                } else {
                    $poolKey .= 'u:' . $this->getUser()->getId();
                }
                $work = new PoolCounterWorkViaCallback( 'SpecialContributions', $poolKey, [
                    'doWork' => function () use ( $pager, $out, $target ) {
                        if ( !$pager->getNumRows() ) {
                            $out->addWikiMsg( 'nocontribs', $target );
                        } else {
                            # Show a message about replica DB lag, if applicable
                            $lag = $pager->getDatabase()->getSessionLagStatus()['lag'];
                            if ( $lag > 0 ) {
                                $out->showLagWarning( $lag );
                            }
 
                            $output = $pager->getBody();
                            if ( !$this->including() ) {
                                $output = $pager->getNavigationBar() .
                                    $output .
                                    $pager->getNavigationBar();
                            }
                            $out->addHTML( $output );
                        }
                    },
                    'error' => function () use ( $out ) {
                        $msg = $this->getUser()->isAnon()
                            ? 'sp-contributions-concurrency-ip'
                            : 'sp-contributions-concurrency-user';
                        $out->addHTML(
                            Html::errorBox(
                                $out->msg( $msg )->parse()
                            )
                        );
                    }
                ] );
                $work->execute();
            }
 
            $out->setPreventClickjacking( $pager->getPreventClickjacking() );
 
            # Show the appropriate "footer" message - WHOIS tools, etc.
            if ( IPUtils::isValidRange( $target ) && $pager->isQueryableRange( $target ) ) {
                $message = 'sp-contributions-footer-anon-range';
            } elseif ( IPUtils::isIPAddress( $target ) ) {
                $message = 'sp-contributions-footer-anon';
            } elseif ( $userObj->isAnon() ) {
                // No message for non-existing users
                $message = '';
            } elseif ( $userObj->isHidden() &&
                !$this->permissionManager->userHasRight( $this->getUser(), 'hideuser' )
            ) {
                // User is registered, but make sure that the viewer can see them, to avoid
                // having different behavior for missing and hidden users; see T120883
                $message = '';
            } else {
                // Not hidden, or hidden but the viewer can still see it
                $message = 'sp-contributions-footer';
            }
 
            if ( $message && !$this->including() && !$this->msg( $message, $target )->isDisabled() ) {
                $out->wrapWikiMsg(
                    "<div class='mw-contributions-footer'>\n$1\n</div>",
                    [ $message, $target ] );
            }
        }
    }
 
    protected function contributionsSub( $userObj, $targetName ) {
        $isAnon = $userObj->isAnon();
        if ( !$isAnon && $userObj->isHidden() &&
            !$this->permissionManager->userHasRight( $this->getUser(), 'hideuser' )
        ) {
            // T120883 if the user is hidden and the viewer cannot see hidden
            // users, pretend like it does not exist at all.
            $isAnon = true;
        }
 
        if ( $isAnon ) {
            // Show a warning message that the user being searched for doesn't exist.
            // UserNameUtils::isIP returns true for IP address and usemod IPs like '123.123.123.xxx',
            // but returns false for IP ranges. We don't want to suggest either of these are
            // valid usernames which we would with the 'contributions-userdoesnotexist' message.
            if ( !$this->userNameUtils->isIP( $userObj->getName() )
                && !IPUtils::isValidRange( $userObj->getName() )
            ) {
                $this->getOutput()->addHtml( Html::warningBox(
                    $this->getOutput()->msg( 'contributions-userdoesnotexist',
                        wfEscapeWikiText( $userObj->getName() ) )->parse(),
                    'mw-userpage-userdoesnotexist'
                ) );
                if ( !$this->including() ) {
                    $this->getOutput()->setStatusCode( 404 );
                }
            }
            $user = htmlspecialchars( $userObj->getName() );
        } else {
            $user = $this->getLinkRenderer()->makeLink( $userObj->getUserPage(), $userObj->getName() );
        }
        $nt = $userObj->getUserPage();
        $talk = $userObj->getTalkPage();
        $links = '';
 
        // T211910. Don't show action links if a range is outside block limit
        $showForIp = IPUtils::isValid( $userObj ) ||
            ( IPUtils::isValidRange( $userObj ) && $this->getPager( $userObj )->isQueryableRange( $userObj ) );
 
        // T276306. if the user is hidden and the viewer cannot see hidden, pretend that it does not exist
        $registeredAndVisible = $userObj->isRegistered() && ( !$userObj->isHidden()
                || $this->permissionManager->userHasRight( $this->getUser(), 'hideuser' ) );
 
        if ( $talk && ( $registeredAndVisible || $showForIp ) ) {
            $tools = self::getUserLinks(
                $this,
                $userObj,
                $this->permissionManager,
                $this->getHookRunner()
            );
            $links = Html::openElement( 'span', [ 'class' => 'mw-changeslist-links' ] );
            foreach ( $tools as $tool ) {
                $links .= Html::rawElement( 'span', [], $tool ) . ' ';
            }
            $links = trim( $links ) . Html::closeElement( 'span' );
 
            // Show a note if the user is blocked and display the last block log entry.
            // Do not expose the autoblocks, since that may lead to a leak of accounts' IPs,
            // and also this will display a totally irrelevant log entry as a current block.
            if ( !$this->including() ) {
                // For IP ranges you must give DatabaseBlock::newFromTarget the CIDR string
                // and not a user object.
                if ( IPUtils::isValidRange( $userObj->getName() ) ) {
                    $block = DatabaseBlock::newFromTarget( $userObj->getName(), $userObj->getName() );
                } else {
                    $block = DatabaseBlock::newFromTarget( $userObj, $userObj );
                }
 
                if ( $block !== null && $block->getType() != DatabaseBlock::TYPE_AUTO ) {
                    if ( $block->getType() == DatabaseBlock::TYPE_RANGE ) {
                        $nt = $this->namespaceInfo->getCanonicalName( NS_USER )
                            . ':' . $block->getTargetName();
                    }
 
                    $out = $this->getOutput(); // showLogExtract() wants first parameter by reference
                    if ( $userObj->isAnon() ) {
                        $msgKey = $block->isSitewide() ?
                            'sp-contributions-blocked-notice-anon' :
                            'sp-contributions-blocked-notice-anon-partial';
                    } else {
                        $msgKey = $block->isSitewide() ?
                            'sp-contributions-blocked-notice' :
                            'sp-contributions-blocked-notice-partial';
                    }
                    // Allow local styling overrides for different types of block
                    $class = $block->isSitewide() ?
                        'mw-contributions-blocked-notice' :
                        'mw-contributions-blocked-notice-partial';
                    LogEventsList::showLogExtract(
                        $out,
                        'block',
                        $nt,
                        '',
                        [
                            'lim' => 1,
                            'showIfEmpty' => false,
                            'msgKey' => [
                                $msgKey,
                                $userObj->getName() # Support GENDER in 'sp-contributions-blocked-notice'
                            ],
                            'offset' => '', # don't use WebRequest parameter offset
                            'wrap' => Html::rawElement(
                                'div',
                                [ 'class' => $class ],
                                '$1'
                            ),
                        ]
                    );
                }
            }
        }
 
        return Html::rawElement( 'div', [ 'class' => 'mw-contributions-user-tools' ],
            $this->msg( 'contributions-subtitle' )->rawParams( $user )->params( $userObj->getName() )
            . ' ' . $links
        );
    }
 
    public static function getUserLinks(
        SpecialPage $sp,
        User $target,
        PermissionManager $permissionManager = null,
        HookRunner $hookRunner = null
    ) {
        // Fallback to global state, if not provided
        $permissionManager = $permissionManager ?? MediaWikiServices::getInstance()->getPermissionManager();
        $hookRunner = $hookRunner ?? Hooks::runner();
 
        $id = $target->getId();
        $username = $target->getName();
        $userpage = $target->getUserPage();
        $talkpage = $target->getTalkPage();
        $isIP = IPUtils::isValid( $username );
        $isRange = IPUtils::isValidRange( $username );
 
        $linkRenderer = $sp->getLinkRenderer();
 
        $tools = [];
        # No talk pages for IP ranges.
        if ( !$isRange ) {
            $tools['user-talk'] = $linkRenderer->makeLink(
                $talkpage,
                $sp->msg( 'sp-contributions-talk' )->text(),
                [ 'class' => 'mw-contributions-link-talk' ]
            );
        }
 
        # Block / Change block / Unblock links
        if ( $permissionManager->userHasRight( $sp->getUser(), 'block' ) ) {
            if ( $target->getBlock() && $target->getBlock()->getType() != DatabaseBlock::TYPE_AUTO ) {
                $tools['block'] = $linkRenderer->makeKnownLink( # Change block link
                    SpecialPage::getTitleFor( 'Block', $username ),
                    $sp->msg( 'change-blocklink' )->text(),
                    [ 'class' => 'mw-contributions-link-change-block' ]
                );
                $tools['unblock'] = $linkRenderer->makeKnownLink( # Unblock link
                    SpecialPage::getTitleFor( 'Unblock', $username ),
                    $sp->msg( 'unblocklink' )->text(),
                    [ 'class' => 'mw-contributions-link-unblock' ]
                );
            } else { # User is not blocked
                $tools['block'] = $linkRenderer->makeKnownLink( # Block link
                    SpecialPage::getTitleFor( 'Block', $username ),
                    $sp->msg( 'blocklink' )->text(),
                    [ 'class' => 'mw-contributions-link-block' ]
                );
            }
        }
 
        # Block log link
        $tools['log-block'] = $linkRenderer->makeKnownLink(
            SpecialPage::getTitleFor( 'Log', 'block' ),
            $sp->msg( 'sp-contributions-blocklog' )->text(),
            [ 'class' => 'mw-contributions-link-block-log' ],
            [ 'page' => $userpage->getPrefixedText() ]
        );
 
        # Suppression log link (T61120)
        if ( $permissionManager->userHasRight( $sp->getUser(), 'suppressionlog' ) ) {
            $tools['log-suppression'] = $linkRenderer->makeKnownLink(
                SpecialPage::getTitleFor( 'Log', 'suppress' ),
                $sp->msg( 'sp-contributions-suppresslog', $username )->text(),
                [ 'class' => 'mw-contributions-link-suppress-log' ],
                [ 'offender' => $username ]
            );
        }
 
        # Don't show some links for IP ranges
        if ( !$isRange ) {
            # Uploads: hide if IPs cannot upload (T220674)
            if ( !$isIP || $permissionManager->userHasRight( $target, 'upload' ) ) {
                $tools['uploads'] = $linkRenderer->makeKnownLink(
                    SpecialPage::getTitleFor( 'Listfiles', $username ),
                    $sp->msg( 'sp-contributions-uploads' )->text(),
                    [ 'class' => 'mw-contributions-link-uploads' ]
                );
            }
 
            # Other logs link
            # Todo: T146628
            $tools['logs'] = $linkRenderer->makeKnownLink(
                SpecialPage::getTitleFor( 'Log', $username ),
                $sp->msg( 'sp-contributions-logs' )->text(),
                [ 'class' => 'mw-contributions-link-logs' ]
            );
 
            # Add link to deleted user contributions for privileged users
            # Todo: T183457
            if ( $permissionManager->userHasRight( $sp->getUser(), 'deletedhistory' ) ) {
                $tools['deletedcontribs'] = $linkRenderer->makeKnownLink(
                    SpecialPage::getTitleFor( 'DeletedContributions', $username ),
                    $sp->msg( 'sp-contributions-deleted', $username )->text(),
                    [ 'class' => 'mw-contributions-link-deleted-contribs' ]
                );
            }
        }
 
        # Add a link to change user rights for privileged users
        $userrightsPage = new UserrightsPage();
        $userrightsPage->setContext( $sp->getContext() );
        if ( $userrightsPage->userCanChangeRights( $target ) ) {
            $tools['userrights'] = $linkRenderer->makeKnownLink(
                SpecialPage::getTitleFor( 'Userrights', $username ),
                $sp->msg( 'sp-contributions-userrights', $username )->text(),
                [ 'class' => 'mw-contributions-link-user-rights' ]
            );
        }
 
        $hookRunner->onContributionsToolLinks( $id, $userpage, $tools, $sp );
 
        return $tools;
    }
 
    protected function getForm( array $pagerOptions ) {
        // Modules required only for the form
        $this->getOutput()->addModules( [
            'mediawiki.special.contributions',
        ] );
        $this->getOutput()->addModuleStyles( 'mediawiki.widgets.DateInputWidget.styles' );
        $this->getOutput()->enableOOUI();
        $fields = [];
 
        # Add hidden params for tracking except for parameters in $skipParameters
        $skipParameters = [
            'namespace',
            'nsInvert',
            'deletedOnly',
            'target',
            'year',
            'month',
            'start',
            'end',
            'topOnly',
            'newOnly',
            'hideMinor',
            'associated',
            'tagfilter',
            'title',
        ];
 
        foreach ( $this->opts as $name => $value ) {
            if ( in_array( $name, $skipParameters ) ) {
                continue;
            }
 
            $fields[$name] = [
                'name' => $name,
                'type' => 'hidden',
                'default' => $value,
            ];
        }
 
        $target = $this->opts['target'] ?? null;
        $fields['target'] = [
            'type' => 'user',
            'default' => $target ?
                str_replace( '_', ' ', $target ) : '' ,
            'label' => $this->msg( 'sp-contributions-username' )->text(),
            'name' => 'target',
            'id' => 'mw-target-user-or-ip',
            'size' => 40,
            'autofocus' => !$target,
            'section' => 'contribs-top',
            'ipallowed' => true,
            'iprange' => true,
        ];
 
        $ns = $this->opts['namespace'] ?? null;
        $fields['namespace'] = [
            'type' => 'namespaceselect',
            'label' => $this->msg( 'namespace' )->text(),
            'name' => 'namespace',
            'cssclass' => 'namespaceselector',
            'default' => $ns,
            'id' => 'namespace',
            'section' => 'contribs-top',
        ];
        $fields['nsFilters'] = [
            'class' => HTMLMultiSelectField::class,
            'label' => '',
            'name' => 'wpfilters',
            'flatlist' => true,
            // Only shown when namespaces are selected.
            'hide-if' => [ '===', 'namespace', 'all' ],
            'options-messages' => [
                'invert' => 'nsInvert',
                'namespace_association' => 'associated',
            ],
            'section' => 'contribs-top',
        ];
        $fields['tagfilter'] = [
            'type' => 'tagfilter',
            'cssclass' => 'mw-tagfilter-input',
            'id' => 'tagfilter',
            'label-message' => [ 'tag-filter', 'parse' ],
            'name' => 'tagfilter',
            'size' => 20,
            'section' => 'contribs-top',
        ];
 
        if ( $this->permissionManager->userHasRight( $this->getUser(), 'deletedhistory' ) ) {
            $fields['deletedOnly'] = [
                'type' => 'check',
                'id' => 'mw-show-deleted-only',
                'label' => $this->msg( 'history-show-deleted' )->text(),
                'name' => 'deletedOnly',
                'section' => 'contribs-top',
            ];
        }
 
        $fields['topOnly'] = [
            'type' => 'check',
            'id' => 'mw-show-top-only',
            'label' => $this->msg( 'sp-contributions-toponly' )->text(),
            'name' => 'topOnly',
            'section' => 'contribs-top',
        ];
        $fields['newOnly'] = [
            'type' => 'check',
            'id' => 'mw-show-new-only',
            'label' => $this->msg( 'sp-contributions-newonly' )->text(),
            'name' => 'newOnly',
            'section' => 'contribs-top',
        ];
        $fields['hideMinor'] = [
            'type' => 'check',
            'cssclass' => 'mw-hide-minor-edits',
            'id' => 'mw-show-new-only',
            'label' => $this->msg( 'sp-contributions-hideminor' )->text(),
            'name' => 'hideMinor',
            'section' => 'contribs-top',
        ];
 
        // Allow additions at this point to the filters.
        $rawFilters = [];
        $this->getHookRunner()->onSpecialContributions__getForm__filters(
            $this, $rawFilters );
        foreach ( $rawFilters as $filter ) {
            // Backwards compatibility support for previous hook function signature.
            if ( is_string( $filter ) ) {
                $fields[] = [
                    'type' => 'info',
                    'default' => $filter,
                    'raw' => true,
                    'section' => 'contribs-top',
                ];
                wfDeprecatedMsg(
                    'A SpecialContributions::getForm::filters hook handler returned ' .
                    'an array of strings, this is deprecated since MediaWiki 1.33',
                    '1.33', false, false
                );
            } else {
                // Preferred append method.
                $fields[] = $filter;
            }
        }
 
        $fields['start'] = [
            'type' => 'date',
            'default' => '',
            'id' => 'mw-date-start',
            'label' => $this->msg( 'date-range-from' )->text(),
            'name' => 'start',
            'section' => 'contribs-date',
        ];
        $fields['end'] = [
            'type' => 'date',
            'default' => '',
            'id' => 'mw-date-end',
            'label' => $this->msg( 'date-range-to' )->text(),
            'name' => 'end',
            'section' => 'contribs-date',
        ];
 
        $htmlForm = HTMLForm::factory( 'ooui', $fields, $this->getContext() );
        $htmlForm
            ->setMethod( 'get' )
            ->setTitle( $this->getPageTitle() )
            // When offset is defined, the user is paging through results
            // so we hide the form by default to allow users to focus on browsing
            // rather than defining search parameters
            ->setCollapsibleOptions(
                ( $pagerOptions['target'] ?? null ) ||
                ( $pagerOptions['start'] ?? null ) ||
                ( $pagerOptions['end'] ?? null )
            )
            ->setAction( wfScript() )
            ->setSubmitTextMsg( 'sp-contributions-submit' )
            ->setWrapperLegendMsg( 'sp-contributions-search' );
 
        $explain = $this->msg( 'sp-contributions-explain' );
        if ( !$explain->isBlank() ) {
            $htmlForm->addFooterText( "<p id='mw-sp-contributions-explain'>{$explain->parse()}</p>" );
        }
 
        $htmlForm->prepareForm();
 
        // Submission is handled elsewhere, but do this to check for and display errors
        $htmlForm->setSubmitCallback( static function () {
            return true;
        } );
        $result = $htmlForm->tryAuthorizedSubmit();
        if ( !( $result === true || ( $result instanceof Status && $result->isGood() ) ) ) {
            // Uncollapse if there are errors
            $htmlForm->setCollapsibleOptions( false );
        }
 
        return $htmlForm->getHTML( $result );
    }
 
    public function prefixSearchSubpages( $search, $limit, $offset ) {
        $search = $this->userNameUtils->getCanonical( $search );
        if ( !$search ) {
            // No prefix suggestion for invalid user
            return [];
        }
        // Autocomplete subpage as user list - public to allow caching
        return $this->userNamePrefixSearch
            ->search( UserNamePrefixSearch::AUDIENCE_PUBLIC, $search, $limit, $offset );
    }
 
    private function getPager( $targetUser ) {
        if ( $this->pager === null ) {
            $options = [
                'namespace' => $this->opts['namespace'],
                'tagfilter' => $this->opts['tagfilter'],
                'start' => $this->opts['start'] ?? '',
                'end' => $this->opts['end'] ?? '',
                'deletedOnly' => $this->opts['deletedOnly'],
                'topOnly' => $this->opts['topOnly'],
                'newOnly' => $this->opts['newOnly'],
                'hideMinor' => $this->opts['hideMinor'],
                'nsInvert' => $this->opts['nsInvert'],
                'associated' => $this->opts['associated'],
            ];
 
            $this->pager = new ContribsPager(
                $this->getContext(),
                $options,
                $this->getLinkRenderer(),
                $this->linkBatchFactory,
                $this->getHookContainer(),
                $this->loadBalancer,
                $this->actorMigration,
                $this->revisionStore,
                $this->namespaceInfo,
                $targetUser,
                $this->commentFormatter
            );
        }
 
        return $this->pager;
    }
 
    protected function getGroupName() {
        return 'users';
    }
}