f6e1891c6f
Replaces calls directly to PermissionManager with calls to the Authority object available from Context or the GroupPermissionLookup service. This patch does not address use of PermissionManager for blocks. Deprecations: - ApiBase::checkUserRightsAny deprecated passing optional User parameter - ApiBase::checkTitleUserPermissions deprecated passing LinkTarget as first parameter, takes PageIdentity instead Bug: T271462 Bug: T271854 Change-Id: I5d7cac1c28a37e074750c46cda03283980a07fca
480 lines
16 KiB
PHP
480 lines
16 KiB
PHP
<?php
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/**
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* Copyright © 2014 Wikimedia Foundation and contributors
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*
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* Heavily based on ApiQueryDeletedrevs,
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* Copyright © 2007 Roan Kattouw "<Firstname>.<Lastname>@gmail.com"
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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use MediaWiki\MediaWikiServices;
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use MediaWiki\ParamValidator\TypeDef\UserDef;
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use MediaWiki\Revision\RevisionRecord;
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use MediaWiki\Storage\NameTableAccessException;
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/**
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* Query module to enumerate all deleted revisions.
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*
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* @ingroup API
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*/
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class ApiQueryAllDeletedRevisions extends ApiQueryRevisionsBase {
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/**
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* @param ApiQuery $query
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* @param string $moduleName
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*/
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public function __construct( ApiQuery $query, $moduleName ) {
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parent::__construct( $query, $moduleName, 'adr' );
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}
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/**
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* @param ApiPageSet|null $resultPageSet
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* @return void
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*/
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protected function run( ApiPageSet $resultPageSet = null ) {
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$user = $this->getUser();
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$db = $this->getDB();
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$params = $this->extractRequestParams( false );
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$services = MediaWikiServices::getInstance();
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$revisionStore = $services->getRevisionStore();
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$result = $this->getResult();
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// If the user wants no namespaces, they get no pages.
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if ( $params['namespace'] === [] ) {
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if ( $resultPageSet === null ) {
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$result->addValue( 'query', $this->getModuleName(), [] );
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}
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return;
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}
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// This module operates in two modes:
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// 'user': List deleted revs by a certain user
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// 'all': List all deleted revs in NS
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$mode = 'all';
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if ( $params['user'] !== null ) {
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$mode = 'user';
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}
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if ( $mode == 'user' ) {
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foreach ( [ 'from', 'to', 'prefix', 'excludeuser' ] as $param ) {
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if ( $params[$param] !== null ) {
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$p = $this->getModulePrefix();
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$this->dieWithError(
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[ 'apierror-invalidparammix-cannotusewith', $p . $param, "{$p}user" ],
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'invalidparammix'
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);
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}
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}
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} else {
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foreach ( [ 'start', 'end' ] as $param ) {
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if ( $params[$param] !== null ) {
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$p = $this->getModulePrefix();
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$this->dieWithError(
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[ 'apierror-invalidparammix-mustusewith', $p . $param, "{$p}user" ],
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'invalidparammix'
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);
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}
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}
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}
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// If we're generating titles only, we can use DISTINCT for a better
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// query. But we can't do that in 'user' mode (wrong index), and we can
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// only do it when sorting ASC (because MySQL apparently can't use an
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// index backwards for grouping even though it can for ORDER BY, WTF?)
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$dir = $params['dir'];
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$optimizeGenerateTitles = false;
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if ( $mode === 'all' && $params['generatetitles'] && $resultPageSet !== null ) {
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if ( $dir === 'newer' ) {
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$optimizeGenerateTitles = true;
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} else {
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$p = $this->getModulePrefix();
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$this->addWarning( [ 'apiwarn-alldeletedrevisions-performance', $p ], 'performance' );
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}
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}
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if ( $resultPageSet === null ) {
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$this->parseParameters( $params );
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$arQuery = $revisionStore->getArchiveQueryInfo();
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$this->addTables( $arQuery['tables'] );
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$this->addJoinConds( $arQuery['joins'] );
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$this->addFields( $arQuery['fields'] );
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$this->addFields( [ 'ar_title', 'ar_namespace' ] );
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} else {
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$this->limit = $this->getParameter( 'limit' ) ?: 10;
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$this->addTables( 'archive' );
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$this->addFields( [ 'ar_title', 'ar_namespace' ] );
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if ( $optimizeGenerateTitles ) {
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$this->addOption( 'DISTINCT' );
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} else {
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$this->addFields( [ 'ar_timestamp', 'ar_rev_id', 'ar_id' ] );
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}
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}
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if ( $this->fld_tags ) {
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$this->addFields( [ 'ts_tags' => ChangeTags::makeTagSummarySubquery( 'archive' ) ] );
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}
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if ( $params['tag'] !== null ) {
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$this->addTables( 'change_tag' );
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$this->addJoinConds(
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[ 'change_tag' => [ 'JOIN', [ 'ar_rev_id=ct_rev_id' ] ] ]
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);
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$changeTagDefStore = $services->getChangeTagDefStore();
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try {
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$this->addWhereFld( 'ct_tag_id', $changeTagDefStore->getId( $params['tag'] ) );
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} catch ( NameTableAccessException $exception ) {
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// Return nothing.
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$this->addWhere( '1=0' );
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}
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}
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// This means stricter restrictions
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if ( ( $this->fld_comment || $this->fld_parsedcomment ) &&
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!$this->getAuthority()->isAllowed( 'deletedhistory' )
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) {
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$this->dieWithError( 'apierror-cantview-deleted-comment', 'permissiondenied' );
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}
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if ( $this->fetchContent &&
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!$this->getAuthority()->isAllowedAny( 'deletedtext', 'undelete' )
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) {
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$this->dieWithError( 'apierror-cantview-deleted-revision-content', 'permissiondenied' );
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}
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$miser_ns = null;
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if ( $mode == 'all' ) {
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$namespaces = $params['namespace'] ??
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$services->getNamespaceInfo()->getValidNamespaces();
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$this->addWhereFld( 'ar_namespace', $namespaces );
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// For from/to/prefix, we have to consider the potential
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// transformations of the title in all specified namespaces.
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// Generally there will be only one transformation, but wikis with
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// some namespaces case-sensitive could have two.
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if ( $params['from'] !== null || $params['to'] !== null ) {
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$isDirNewer = ( $dir === 'newer' );
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$after = ( $isDirNewer ? '>=' : '<=' );
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$before = ( $isDirNewer ? '<=' : '>=' );
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$where = [];
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foreach ( $namespaces as $ns ) {
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$w = [];
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if ( $params['from'] !== null ) {
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$w[] = 'ar_title' . $after .
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$db->addQuotes( $this->titlePartToKey( $params['from'], $ns ) );
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}
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if ( $params['to'] !== null ) {
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$w[] = 'ar_title' . $before .
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$db->addQuotes( $this->titlePartToKey( $params['to'], $ns ) );
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}
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$w = $db->makeList( $w, LIST_AND );
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$where[$w][] = $ns;
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}
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if ( count( $where ) == 1 ) {
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$where = key( $where );
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$this->addWhere( $where );
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} else {
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$where2 = [];
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foreach ( $where as $w => $ns ) {
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$where2[] = $db->makeList( [ $w, 'ar_namespace' => $ns ], LIST_AND );
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}
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$this->addWhere( $db->makeList( $where2, LIST_OR ) );
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}
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}
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if ( isset( $params['prefix'] ) ) {
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$where = [];
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foreach ( $namespaces as $ns ) {
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$w = 'ar_title' . $db->buildLike(
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$this->titlePartToKey( $params['prefix'], $ns ),
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$db->anyString() );
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$where[$w][] = $ns;
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}
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if ( count( $where ) == 1 ) {
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$where = key( $where );
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$this->addWhere( $where );
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} else {
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$where2 = [];
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foreach ( $where as $w => $ns ) {
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$where2[] = $db->makeList( [ $w, 'ar_namespace' => $ns ], LIST_AND );
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}
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$this->addWhere( $db->makeList( $where2, LIST_OR ) );
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}
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}
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} else {
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if ( $this->getConfig()->get( 'MiserMode' ) ) {
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$miser_ns = $params['namespace'];
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} else {
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$this->addWhereFld( 'ar_namespace', $params['namespace'] );
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}
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$this->addTimestampWhereRange( 'ar_timestamp', $dir, $params['start'], $params['end'] );
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}
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if ( $params['user'] !== null ) {
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// Don't query by user ID here, it might be able to use the ar_usertext_timestamp index.
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$actorQuery = ActorMigration::newMigration()
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->getWhere( $db, 'ar_user', $params['user'], false );
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$this->addTables( $actorQuery['tables'] );
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$this->addJoinConds( $actorQuery['joins'] );
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$this->addWhere( $actorQuery['conds'] );
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} elseif ( $params['excludeuser'] !== null ) {
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// Here there's no chance of using ar_usertext_timestamp.
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$actorQuery = ActorMigration::newMigration()
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->getWhere( $db, 'ar_user', $params['excludeuser'] );
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$this->addTables( $actorQuery['tables'] );
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$this->addJoinConds( $actorQuery['joins'] );
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$this->addWhere( 'NOT(' . $actorQuery['conds'] . ')' );
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}
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if ( $params['user'] !== null || $params['excludeuser'] !== null ) {
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// Paranoia: avoid brute force searches (T19342)
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if ( !$this->getAuthority()->isAllowed( 'deletedhistory' ) ) {
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$bitmask = RevisionRecord::DELETED_USER;
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} elseif ( !$this->getAuthority()->isAllowedAny( 'suppressrevision', 'viewsuppressed' ) ) {
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$bitmask = RevisionRecord::DELETED_USER | RevisionRecord::DELETED_RESTRICTED;
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} else {
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$bitmask = 0;
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}
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if ( $bitmask ) {
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$this->addWhere( $db->bitAnd( 'ar_deleted', $bitmask ) . " != $bitmask" );
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}
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}
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if ( $params['continue'] !== null ) {
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$cont = explode( '|', $params['continue'] );
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$op = ( $dir == 'newer' ? '>' : '<' );
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if ( $optimizeGenerateTitles ) {
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$this->dieContinueUsageIf( count( $cont ) != 2 );
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$ns = (int)$cont[0];
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$this->dieContinueUsageIf( strval( $ns ) !== $cont[0] );
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$title = $db->addQuotes( $cont[1] );
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$this->addWhere( "ar_namespace $op $ns OR " .
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"(ar_namespace = $ns AND ar_title $op= $title)" );
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} elseif ( $mode == 'all' ) {
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$this->dieContinueUsageIf( count( $cont ) != 4 );
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$ns = (int)$cont[0];
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$this->dieContinueUsageIf( strval( $ns ) !== $cont[0] );
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$title = $db->addQuotes( $cont[1] );
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$ts = $db->addQuotes( $db->timestamp( $cont[2] ) );
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$ar_id = (int)$cont[3];
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$this->dieContinueUsageIf( strval( $ar_id ) !== $cont[3] );
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$this->addWhere( "ar_namespace $op $ns OR " .
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"(ar_namespace = $ns AND " .
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"(ar_title $op $title OR " .
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"(ar_title = $title AND " .
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"(ar_timestamp $op $ts OR " .
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"(ar_timestamp = $ts AND " .
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"ar_id $op= $ar_id)))))" );
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} else {
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$this->dieContinueUsageIf( count( $cont ) != 2 );
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$ts = $db->addQuotes( $db->timestamp( $cont[0] ) );
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$ar_id = (int)$cont[1];
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$this->dieContinueUsageIf( strval( $ar_id ) !== $cont[1] );
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$this->addWhere( "ar_timestamp $op $ts OR " .
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"(ar_timestamp = $ts AND " .
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"ar_id $op= $ar_id)" );
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}
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}
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$this->addOption( 'LIMIT', $this->limit + 1 );
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$sort = ( $dir == 'newer' ? '' : ' DESC' );
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$orderby = [];
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if ( $optimizeGenerateTitles ) {
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// Targeting index ar_name_title_timestamp
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if ( $params['namespace'] === null || count( array_unique( $params['namespace'] ) ) > 1 ) {
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$orderby[] = "ar_namespace $sort";
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}
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$orderby[] = "ar_title $sort";
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} elseif ( $mode == 'all' ) {
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// Targeting index ar_name_title_timestamp
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if ( $params['namespace'] === null || count( array_unique( $params['namespace'] ) ) > 1 ) {
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$orderby[] = "ar_namespace $sort";
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}
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$orderby[] = "ar_title $sort";
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$orderby[] = "ar_timestamp $sort";
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$orderby[] = "ar_id $sort";
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} else {
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// Targeting index usertext_timestamp
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// 'user' is always constant.
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$orderby[] = "ar_timestamp $sort";
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$orderby[] = "ar_id $sort";
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}
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$this->addOption( 'ORDER BY', $orderby );
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$res = $this->select( __METHOD__ );
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if ( $resultPageSet === null ) {
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$this->executeGenderCacheFromResultWrapper( $res, __METHOD__, 'ar' );
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}
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$pageMap = []; // Maps ns&title to array index
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$count = 0;
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$nextIndex = 0;
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$generated = [];
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foreach ( $res as $row ) {
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if ( ++$count > $this->limit ) {
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// We've had enough
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if ( $optimizeGenerateTitles ) {
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$this->setContinueEnumParameter( 'continue', "$row->ar_namespace|$row->ar_title" );
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} elseif ( $mode == 'all' ) {
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$this->setContinueEnumParameter( 'continue',
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"$row->ar_namespace|$row->ar_title|$row->ar_timestamp|$row->ar_id"
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);
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} else {
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$this->setContinueEnumParameter( 'continue', "$row->ar_timestamp|$row->ar_id" );
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}
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break;
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}
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// Miser mode namespace check
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if ( $miser_ns !== null && !in_array( $row->ar_namespace, $miser_ns ) ) {
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continue;
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}
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if ( $resultPageSet !== null ) {
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if ( $params['generatetitles'] ) {
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$key = "{$row->ar_namespace}:{$row->ar_title}";
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if ( !isset( $generated[$key] ) ) {
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$generated[$key] = Title::makeTitle( $row->ar_namespace, $row->ar_title );
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}
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} else {
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$generated[] = $row->ar_rev_id;
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}
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} else {
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$revision = $revisionStore->newRevisionFromArchiveRow( $row );
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$rev = $this->extractRevisionInfo( $revision, $row );
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if ( !isset( $pageMap[$row->ar_namespace][$row->ar_title] ) ) {
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$index = $nextIndex++;
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$pageMap[$row->ar_namespace][$row->ar_title] = $index;
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$title = Title::newFromLinkTarget( $revision->getPageAsLinkTarget() );
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$a = [
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'pageid' => $title->getArticleID(),
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'revisions' => [ $rev ],
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];
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ApiResult::setIndexedTagName( $a['revisions'], 'rev' );
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ApiQueryBase::addTitleInfo( $a, $title );
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$fit = $result->addValue( [ 'query', $this->getModuleName() ], $index, $a );
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} else {
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$index = $pageMap[$row->ar_namespace][$row->ar_title];
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$fit = $result->addValue(
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[ 'query', $this->getModuleName(), $index, 'revisions' ],
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null, $rev );
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}
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if ( !$fit ) {
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if ( $mode == 'all' ) {
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$this->setContinueEnumParameter( 'continue',
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"$row->ar_namespace|$row->ar_title|$row->ar_timestamp|$row->ar_id"
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);
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} else {
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$this->setContinueEnumParameter( 'continue', "$row->ar_timestamp|$row->ar_id" );
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}
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break;
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}
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}
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}
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if ( $resultPageSet !== null ) {
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if ( $params['generatetitles'] ) {
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$resultPageSet->populateFromTitles( $generated );
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} else {
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$resultPageSet->populateFromRevisionIDs( $generated );
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}
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} else {
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$result->addIndexedTagName( [ 'query', $this->getModuleName() ], 'page' );
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}
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}
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public function getAllowedParams() {
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$ret = parent::getAllowedParams() + [
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'user' => [
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ApiBase::PARAM_TYPE => 'user',
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UserDef::PARAM_ALLOWED_USER_TYPES => [ 'name', 'ip', 'id', 'interwiki' ],
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UserDef::PARAM_RETURN_OBJECT => true,
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],
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'namespace' => [
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ApiBase::PARAM_ISMULTI => true,
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ApiBase::PARAM_TYPE => 'namespace',
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],
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'start' => [
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ApiBase::PARAM_TYPE => 'timestamp',
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ApiBase::PARAM_HELP_MSG_INFO => [ [ 'useronly' ] ],
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],
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'end' => [
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ApiBase::PARAM_TYPE => 'timestamp',
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ApiBase::PARAM_HELP_MSG_INFO => [ [ 'useronly' ] ],
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],
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'dir' => [
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ApiBase::PARAM_TYPE => [
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'newer',
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'older'
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],
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ApiBase::PARAM_DFLT => 'older',
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ApiBase::PARAM_HELP_MSG => 'api-help-param-direction',
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],
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'from' => [
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ApiBase::PARAM_HELP_MSG_INFO => [ [ 'nonuseronly' ] ],
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],
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'to' => [
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ApiBase::PARAM_HELP_MSG_INFO => [ [ 'nonuseronly' ] ],
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],
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'prefix' => [
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ApiBase::PARAM_HELP_MSG_INFO => [ [ 'nonuseronly' ] ],
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],
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'excludeuser' => [
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ApiBase::PARAM_TYPE => 'user',
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UserDef::PARAM_ALLOWED_USER_TYPES => [ 'name', 'ip', 'id', 'interwiki' ],
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UserDef::PARAM_RETURN_OBJECT => true,
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ApiBase::PARAM_HELP_MSG_INFO => [ [ 'nonuseronly' ] ],
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],
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'tag' => null,
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'continue' => [
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ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
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],
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'generatetitles' => [
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ApiBase::PARAM_DFLT => false
|
|
],
|
|
];
|
|
|
|
if ( $this->getConfig()->get( 'MiserMode' ) ) {
|
|
$ret['user'][ApiBase::PARAM_HELP_MSG_APPEND] = [
|
|
'apihelp-query+alldeletedrevisions-param-miser-user-namespace',
|
|
];
|
|
$ret['namespace'][ApiBase::PARAM_HELP_MSG_APPEND] = [
|
|
'apihelp-query+alldeletedrevisions-param-miser-user-namespace',
|
|
];
|
|
}
|
|
|
|
return $ret;
|
|
}
|
|
|
|
protected function getExamplesMessages() {
|
|
return [
|
|
'action=query&list=alldeletedrevisions&adruser=Example&adrlimit=50'
|
|
=> 'apihelp-query+alldeletedrevisions-example-user',
|
|
'action=query&list=alldeletedrevisions&adrdir=newer&adrnamespace=0&adrlimit=50'
|
|
=> 'apihelp-query+alldeletedrevisions-example-ns-main',
|
|
];
|
|
}
|
|
|
|
public function getHelpUrls() {
|
|
return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Alldeletedrevisions';
|
|
}
|
|
}
|