731d9f748e
When converting a Title object into a string for user or user talk namespace the gender information are needed. This patch set improves performance on wikis with gender distinction like dewiki or ruwiki by combining the fetch of the information into one query and avoids a query per unique user name. It also avoids false results for request with apihighlimit, because the apihighlimit with 5000 is higher than the query max limit of the GenderCache with 1000 Bug: T200238 Change-Id: Ibe0561b210dbeb654117dad777e839640f51b4e4
487 lines
15 KiB
PHP
487 lines
15 KiB
PHP
<?php
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/**
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* Copyright © 2006 Yuri Astrakhan "<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\Storage\NameTableAccessException;
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/**
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* Query action to List the log events, with optional filtering by various parameters.
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*
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* @ingroup API
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*/
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class ApiQueryLogEvents extends ApiQueryBase {
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private $commentStore;
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public function __construct( ApiQuery $query, $moduleName ) {
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parent::__construct( $query, $moduleName, 'le' );
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}
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private $fld_ids = false, $fld_title = false, $fld_type = false,
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$fld_user = false, $fld_userid = false,
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$fld_timestamp = false, $fld_comment = false, $fld_parsedcomment = false,
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$fld_details = false, $fld_tags = false;
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public function execute() {
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$params = $this->extractRequestParams();
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$db = $this->getDB();
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$this->commentStore = CommentStore::getStore();
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$this->requireMaxOneParameter( $params, 'title', 'prefix', 'namespace' );
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$prop = array_flip( $params['prop'] );
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$this->fld_ids = isset( $prop['ids'] );
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$this->fld_title = isset( $prop['title'] );
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$this->fld_type = isset( $prop['type'] );
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$this->fld_user = isset( $prop['user'] );
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$this->fld_userid = isset( $prop['userid'] );
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$this->fld_timestamp = isset( $prop['timestamp'] );
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$this->fld_comment = isset( $prop['comment'] );
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$this->fld_parsedcomment = isset( $prop['parsedcomment'] );
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$this->fld_details = isset( $prop['details'] );
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$this->fld_tags = isset( $prop['tags'] );
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$hideLogs = LogEventsList::getExcludeClause( $db, 'user', $this->getUser() );
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if ( $hideLogs !== false ) {
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$this->addWhere( $hideLogs );
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}
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$actorMigration = ActorMigration::newMigration();
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$actorQuery = $actorMigration->getJoin( 'log_user' );
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$this->addTables( 'logging' );
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$this->addTables( $actorQuery['tables'] );
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$this->addTables( [ 'user', 'page' ] );
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$this->addJoinConds( $actorQuery['joins'] );
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$this->addJoinConds( [
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'user' => [ 'LEFT JOIN',
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'user_id=' . $actorQuery['fields']['log_user'] ],
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'page' => [ 'LEFT JOIN',
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[ 'log_namespace=page_namespace',
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'log_title=page_title' ] ] ] );
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$this->addFields( [
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'log_id',
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'log_type',
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'log_action',
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'log_timestamp',
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'log_deleted',
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] );
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$this->addFieldsIf( 'page_id', $this->fld_ids );
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// log_page is the page_id saved at log time, whereas page_id is from a
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// join at query time. This leads to different results in various
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// scenarios, e.g. deletion, recreation.
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$this->addFieldsIf( 'log_page', $this->fld_ids );
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$this->addFieldsIf( $actorQuery['fields'] + [ 'user_name' ], $this->fld_user );
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$this->addFieldsIf( $actorQuery['fields'], $this->fld_userid );
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$this->addFieldsIf(
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[ 'log_namespace', 'log_title' ],
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$this->fld_title || $this->fld_parsedcomment
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);
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$this->addFieldsIf( 'log_params', $this->fld_details );
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if ( $this->fld_comment || $this->fld_parsedcomment ) {
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$commentQuery = $this->commentStore->getJoin( 'log_comment' );
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$this->addTables( $commentQuery['tables'] );
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$this->addFields( $commentQuery['fields'] );
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$this->addJoinConds( $commentQuery['joins'] );
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}
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if ( $this->fld_tags ) {
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$this->addFields( [ 'ts_tags' => ChangeTags::makeTagSummarySubquery( 'logging' ) ] );
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}
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if ( !is_null( $params['tag'] ) ) {
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$this->addTables( 'change_tag' );
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$this->addJoinConds( [ 'change_tag' => [ 'JOIN',
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[ 'log_id=ct_log_id' ] ] ] );
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$changeTagDefStore = MediaWikiServices::getInstance()->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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if ( !is_null( $params['action'] ) ) {
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// Do validation of action param, list of allowed actions can contains wildcards
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// Allow the param, when the actions is in the list or a wildcard version is listed.
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$logAction = $params['action'];
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if ( strpos( $logAction, '/' ) === false ) {
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// all items in the list have a slash
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$valid = false;
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} else {
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$logActions = array_flip( $this->getAllowedLogActions() );
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list( $type, $action ) = explode( '/', $logAction, 2 );
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$valid = isset( $logActions[$logAction] ) || isset( $logActions[$type . '/*'] );
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}
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if ( !$valid ) {
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$encParamName = $this->encodeParamName( 'action' );
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$this->dieWithError(
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[ 'apierror-unrecognizedvalue', $encParamName, wfEscapeWikiText( $logAction ) ],
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"unknown_$encParamName"
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);
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}
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$this->addWhereFld( 'log_type', $type );
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$this->addWhereFld( 'log_action', $action );
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} elseif ( !is_null( $params['type'] ) ) {
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$this->addWhereFld( 'log_type', $params['type'] );
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}
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$this->addTimestampWhereRange(
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'log_timestamp',
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$params['dir'],
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$params['start'],
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$params['end']
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);
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// Include in ORDER BY for uniqueness
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$this->addWhereRange( 'log_id', $params['dir'], null, null );
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if ( !is_null( $params['continue'] ) ) {
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$cont = explode( '|', $params['continue'] );
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$this->dieContinueUsageIf( count( $cont ) != 2 );
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$op = ( $params['dir'] === 'newer' ? '>' : '<' );
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$continueTimestamp = $db->addQuotes( $db->timestamp( $cont[0] ) );
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$continueId = (int)$cont[1];
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$this->dieContinueUsageIf( $continueId != $cont[1] );
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$this->addWhere( "log_timestamp $op $continueTimestamp OR " .
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"(log_timestamp = $continueTimestamp AND " .
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"log_id $op= $continueId)"
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);
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}
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$limit = $params['limit'];
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$this->addOption( 'LIMIT', $limit + 1 );
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$user = $params['user'];
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if ( !is_null( $user ) ) {
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// Note the joins in $q are the same as those from ->getJoin() above
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// so we only need to add 'conds' here.
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$q = $actorMigration->getWhere(
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$db, 'log_user', User::newFromName( $params['user'], false )
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);
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$this->addWhere( $q['conds'] );
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// T71222: MariaDB's optimizer, at least 10.1.37 and .38, likes to choose a wildly bad plan for
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// some reason for this code path. Tell it not to use the wrong index it wants to pick.
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// @phan-suppress-next-line PhanTypeMismatchArgument
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$this->addOption( 'IGNORE INDEX', [ 'logging' => [ 'times' ] ] );
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}
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$title = $params['title'];
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if ( !is_null( $title ) ) {
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$titleObj = Title::newFromText( $title );
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if ( is_null( $titleObj ) ) {
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$this->dieWithError( [ 'apierror-invalidtitle', wfEscapeWikiText( $title ) ] );
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}
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$this->addWhereFld( 'log_namespace', $titleObj->getNamespace() );
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$this->addWhereFld( 'log_title', $titleObj->getDBkey() );
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}
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if ( $params['namespace'] !== null ) {
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$this->addWhereFld( 'log_namespace', $params['namespace'] );
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}
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$prefix = $params['prefix'];
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if ( !is_null( $prefix ) ) {
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if ( $this->getConfig()->get( 'MiserMode' ) ) {
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$this->dieWithError( 'apierror-prefixsearchdisabled' );
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}
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$title = Title::newFromText( $prefix );
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if ( is_null( $title ) ) {
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$this->dieWithError( [ 'apierror-invalidtitle', wfEscapeWikiText( $prefix ) ] );
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}
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$this->addWhereFld( 'log_namespace', $title->getNamespace() );
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$this->addWhere( 'log_title ' . $db->buildLike( $title->getDBkey(), $db->anyString() ) );
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}
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// Paranoia: avoid brute force searches (T19342)
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if ( $params['namespace'] !== null || !is_null( $title ) || !is_null( $user ) ) {
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if ( !$this->getPermissionManager()->userHasRight( $this->getUser(), 'deletedhistory' ) ) {
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$titleBits = LogPage::DELETED_ACTION;
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$userBits = LogPage::DELETED_USER;
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} elseif ( !$this->getPermissionManager()
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->userHasAnyRight( $this->getUser(), 'suppressrevision', 'viewsuppressed' )
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) {
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$titleBits = LogPage::DELETED_ACTION | LogPage::DELETED_RESTRICTED;
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$userBits = LogPage::DELETED_USER | LogPage::DELETED_RESTRICTED;
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} else {
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$titleBits = 0;
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$userBits = 0;
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}
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if ( ( $params['namespace'] !== null || !is_null( $title ) ) && $titleBits ) {
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$this->addWhere( $db->bitAnd( 'log_deleted', $titleBits ) . " != $titleBits" );
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}
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if ( !is_null( $user ) && $userBits ) {
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$this->addWhere( $db->bitAnd( 'log_deleted', $userBits ) . " != $userBits" );
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}
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}
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// T220999: MySQL/MariaDB (10.1.37) can sometimes irrationally decide that querying `actor` before
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// `logging` and filesorting is somehow better than querying $limit+1 rows from `logging`.
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// Tell it not to reorder the query. But not when `letag` was used, as it seems as likely
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// to be harmed as helped in that case.
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if ( $params['tag'] === null ) {
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$this->addOption( 'STRAIGHT_JOIN' );
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}
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$count = 0;
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$res = $this->select( __METHOD__ );
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if ( $this->fld_title ) {
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$this->executeGenderCacheFromResultWrapper( $res, __METHOD__, 'log' );
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}
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$result = $this->getResult();
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foreach ( $res as $row ) {
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if ( ++$count > $limit ) {
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// We've reached the one extra which shows that there are
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// additional pages to be had. Stop here...
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$this->setContinueEnumParameter( 'continue', "$row->log_timestamp|$row->log_id" );
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break;
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}
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$vals = $this->extractRowInfo( $row );
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$fit = $result->addValue( [ 'query', $this->getModuleName() ], null, $vals );
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if ( !$fit ) {
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$this->setContinueEnumParameter( 'continue', "$row->log_timestamp|$row->log_id" );
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break;
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}
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}
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$result->addIndexedTagName( [ 'query', $this->getModuleName() ], 'item' );
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}
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private function extractRowInfo( $row ) {
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$logEntry = DatabaseLogEntry::newFromRow( $row );
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$vals = [
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ApiResult::META_TYPE => 'assoc',
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];
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$anyHidden = false;
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$user = $this->getUser();
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if ( $this->fld_ids ) {
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$vals['logid'] = (int)$row->log_id;
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}
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if ( $this->fld_title || $this->fld_parsedcomment ) {
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$title = Title::makeTitle( $row->log_namespace, $row->log_title );
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}
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if ( $this->fld_title || $this->fld_ids || $this->fld_details && $row->log_params !== '' ) {
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if ( LogEventsList::isDeleted( $row, LogPage::DELETED_ACTION ) ) {
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$vals['actionhidden'] = true;
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$anyHidden = true;
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}
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if ( LogEventsList::userCan( $row, LogPage::DELETED_ACTION, $user ) ) {
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if ( $this->fld_title ) {
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ApiQueryBase::addTitleInfo( $vals, $title );
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}
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if ( $this->fld_ids ) {
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$vals['pageid'] = (int)$row->page_id;
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$vals['logpage'] = (int)$row->log_page;
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}
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if ( $this->fld_details ) {
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$vals['params'] = LogFormatter::newFromEntry( $logEntry )->formatParametersForApi();
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}
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}
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}
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if ( $this->fld_type ) {
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$vals['type'] = $row->log_type;
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$vals['action'] = $row->log_action;
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}
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if ( $this->fld_user || $this->fld_userid ) {
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if ( LogEventsList::isDeleted( $row, LogPage::DELETED_USER ) ) {
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$vals['userhidden'] = true;
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$anyHidden = true;
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}
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if ( LogEventsList::userCan( $row, LogPage::DELETED_USER, $user ) ) {
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if ( $this->fld_user ) {
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$vals['user'] = $row->user_name ?? $row->log_user_text;
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}
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if ( $this->fld_userid ) {
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$vals['userid'] = (int)$row->log_user;
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}
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if ( !$row->log_user ) {
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$vals['anon'] = true;
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}
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}
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}
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if ( $this->fld_timestamp ) {
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$vals['timestamp'] = wfTimestamp( TS_ISO_8601, $row->log_timestamp );
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}
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if ( $this->fld_comment || $this->fld_parsedcomment ) {
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if ( LogEventsList::isDeleted( $row, LogPage::DELETED_COMMENT ) ) {
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$vals['commenthidden'] = true;
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$anyHidden = true;
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}
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if ( LogEventsList::userCan( $row, LogPage::DELETED_COMMENT, $user ) ) {
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$comment = $this->commentStore->getComment( 'log_comment', $row )->text;
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if ( $this->fld_comment ) {
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$vals['comment'] = $comment;
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}
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if ( $this->fld_parsedcomment ) {
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$vals['parsedcomment'] = Linker::formatComment( $comment, $title );
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}
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}
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}
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if ( $this->fld_tags ) {
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if ( $row->ts_tags ) {
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$tags = explode( ',', $row->ts_tags );
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ApiResult::setIndexedTagName( $tags, 'tag' );
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$vals['tags'] = $tags;
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} else {
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$vals['tags'] = [];
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}
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}
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if ( $anyHidden && LogEventsList::isDeleted( $row, LogPage::DELETED_RESTRICTED ) ) {
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$vals['suppressed'] = true;
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}
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return $vals;
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}
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/**
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* @return array
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*/
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private function getAllowedLogActions() {
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$config = $this->getConfig();
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return array_keys( array_merge(
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$config->get( 'LogActions' ),
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$config->get( 'LogActionsHandlers' )
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) );
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}
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public function getCacheMode( $params ) {
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if ( $this->userCanSeeRevDel() ) {
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return 'private';
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}
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if ( !is_null( $params['prop'] ) && in_array( 'parsedcomment', $params['prop'] ) ) {
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// formatComment() calls wfMessage() among other things
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return 'anon-public-user-private';
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} elseif ( LogEventsList::getExcludeClause( $this->getDB(), 'user', $this->getUser() )
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=== LogEventsList::getExcludeClause( $this->getDB(), 'public' )
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) { // Output can only contain public data.
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return 'public';
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} else {
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return 'anon-public-user-private';
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}
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}
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public function getAllowedParams( $flags = 0 ) {
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$config = $this->getConfig();
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if ( $flags & ApiBase::GET_VALUES_FOR_HELP ) {
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$logActions = $this->getAllowedLogActions();
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sort( $logActions );
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} else {
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$logActions = null;
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}
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$ret = [
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'prop' => [
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ApiBase::PARAM_ISMULTI => true,
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ApiBase::PARAM_DFLT => 'ids|title|type|user|timestamp|comment|details',
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ApiBase::PARAM_TYPE => [
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'ids',
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'title',
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'type',
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'user',
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'userid',
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'timestamp',
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'comment',
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'parsedcomment',
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'details',
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'tags'
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],
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ApiBase::PARAM_HELP_MSG_PER_VALUE => [],
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],
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'type' => [
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ApiBase::PARAM_TYPE => LogPage::validTypes(),
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],
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'action' => [
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// validation on request is done in execute()
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ApiBase::PARAM_TYPE => $logActions
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],
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'start' => [
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ApiBase::PARAM_TYPE => 'timestamp'
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],
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'end' => [
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ApiBase::PARAM_TYPE => 'timestamp'
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],
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'dir' => [
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ApiBase::PARAM_DFLT => 'older',
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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_HELP_MSG => 'api-help-param-direction',
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],
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'user' => [
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ApiBase::PARAM_TYPE => 'user',
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],
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'title' => null,
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'namespace' => [
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ApiBase::PARAM_TYPE => 'namespace',
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ApiBase::PARAM_EXTRA_NAMESPACES => [ NS_MEDIA, NS_SPECIAL ],
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],
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'prefix' => [],
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'tag' => null,
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'limit' => [
|
|
ApiBase::PARAM_DFLT => 10,
|
|
ApiBase::PARAM_TYPE => 'limit',
|
|
ApiBase::PARAM_MIN => 1,
|
|
ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
|
|
ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
|
|
],
|
|
'continue' => [
|
|
ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
|
|
],
|
|
];
|
|
|
|
if ( $config->get( 'MiserMode' ) ) {
|
|
$ret['prefix'][ApiBase::PARAM_HELP_MSG] = 'api-help-param-disabled-in-miser-mode';
|
|
}
|
|
|
|
return $ret;
|
|
}
|
|
|
|
protected function getExamplesMessages() {
|
|
return [
|
|
'action=query&list=logevents'
|
|
=> 'apihelp-query+logevents-example-simple',
|
|
];
|
|
}
|
|
|
|
public function getHelpUrls() {
|
|
return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Logevents';
|
|
}
|
|
}
|