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<?php
/**
* API for MediaWiki 1.12+
*
* Copyright © 2008 Vasiliev Victor vasilvv@gmail.com,
* based on ApiQueryAllPages.php
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
namespace MediaWiki\Api;
use MediaWiki\FileRepo\File\File;
use MediaWiki\FileRepo\File\FileSelectQueryBuilder;
use MediaWiki\FileRepo\LocalRepo;
use MediaWiki\FileRepo\RepoGroup;
use MediaWiki\MainConfigNames;
use MediaWiki\ParamValidator\TypeDef\UserDef;
use MediaWiki\Permissions\GroupPermissionsLookup;
use MediaWiki\Title\Title;
use Wikimedia\ParamValidator\ParamValidator;
use Wikimedia\ParamValidator\TypeDef\IntegerDef;
use Wikimedia\Rdbms\IExpression;
use Wikimedia\Rdbms\IReadableDatabase;
use Wikimedia\Rdbms\LikeValue;
/**
* Query module to enumerate all images.
*
* @ingroup API
*/
class ApiQueryAllImages extends ApiQueryGeneratorBase {
/**
* @var LocalRepo
*/
protected $mRepo;
private GroupPermissionsLookup $groupPermissionsLookup;
public function __construct(
ApiQuery $query,
string $moduleName,
RepoGroup $repoGroup,
GroupPermissionsLookup $groupPermissionsLookup
) {
parent::__construct( $query, $moduleName, 'ai' );
$this->mRepo = $repoGroup->getLocalRepo();
$this->groupPermissionsLookup = $groupPermissionsLookup;
}
/**
* Override parent method to make sure the repo's DB is used
* which may not necessarily be the same as the local DB.
*
* TODO: allow querying non-local repos.
* @return IReadableDatabase
*/
protected function getDB() {
return $this->mRepo->getReplicaDB();
}
public function execute() {
$this->run();
}
public function getCacheMode( $params ) {
return 'public';
}
/**
* @param ApiPageSet $resultPageSet
* @return void
*/
public function executeGenerator( $resultPageSet ) {
if ( $resultPageSet->isResolvingRedirects() ) {
$this->dieWithError( 'apierror-allimages-redirect', 'invalidparammix' );
}
$this->run( $resultPageSet );
}
/**
* @param ApiPageSet|null $resultPageSet
* @return void
*/
private function run( $resultPageSet = null ) {
$repo = $this->mRepo;
if ( !$repo instanceof LocalRepo ) {
$this->dieWithError( 'apierror-unsupportedrepo' );
}
$prefix = $this->getModulePrefix();
$db = $this->getDB();
$params = $this->extractRequestParams();
// Table and return fields
$prop = array_fill_keys( $params['prop'], true );
$fileQuery = FileSelectQueryBuilder::newForFile( $db )->getQueryInfo();
$this->addTables( $fileQuery['tables'] );
$this->addFields( $fileQuery['fields'] );
$this->addJoinConds( $fileQuery['join_conds'] );
$ascendingOrder = true;
if ( $params['dir'] == 'descending' || $params['dir'] == 'older' ) {
$ascendingOrder = false;
}
if ( $params['sort'] == 'name' ) {
// Check mutually exclusive params
$disallowed = [ 'start', 'end', 'user' ];
foreach ( $disallowed as $pname ) {
if ( isset( $params[$pname] ) ) {
$this->dieWithError(
[
'apierror-invalidparammix-mustusewith',
"{$prefix}{$pname}",
"{$prefix}sort=timestamp"
],
'invalidparammix'
);
}
}
if ( $params['filterbots'] != 'all' ) {
$this->dieWithError(
[
'apierror-invalidparammix-mustusewith',
"{$prefix}filterbots",
"{$prefix}sort=timestamp"
],
'invalidparammix'
);
}
// Pagination
if ( $params['continue'] !== null ) {
$cont = $this->parseContinueParamOrDie( $params['continue'], [ 'string' ] );
$op = $ascendingOrder ? '>=' : '<=';
$this->addWhere( $db->expr( 'img_name', $op, $cont[0] ) );
}
// Image filters
$from = $params['from'] === null ? null : $this->titlePartToKey( $params['from'], NS_FILE );
$to = $params['to'] === null ? null : $this->titlePartToKey( $params['to'], NS_FILE );
$this->addWhereRange( 'img_name', $ascendingOrder ? 'newer' : 'older', $from, $to );
if ( isset( $params['prefix'] ) ) {
$this->addWhere(
$db->expr(
'img_name',
IExpression::LIKE,
new LikeValue( $this->titlePartToKey( $params['prefix'], NS_FILE ), $db->anyString() )
)
);
}
} else {
// Check mutually exclusive params
$disallowed = [ 'from', 'to', 'prefix' ];
foreach ( $disallowed as $pname ) {
if ( isset( $params[$pname] ) ) {
$this->dieWithError(
[
'apierror-invalidparammix-mustusewith',
"{$prefix}{$pname}",
"{$prefix}sort=name"
],
'invalidparammix'
);
}
}
if ( $params['user'] !== null && $params['filterbots'] != 'all' ) {
// Since filterbots checks if each user has the bot right, it
// doesn't make sense to use it with user
$this->dieWithError(
[ 'apierror-invalidparammix-cannotusewith', "{$prefix}user", "{$prefix}filterbots" ]
);
}
// Pagination
$this->addTimestampWhereRange(
'img_timestamp',
$ascendingOrder ? 'newer' : 'older',
$params['start'],
$params['end']
);
// Include in ORDER BY for uniqueness
$this->addWhereRange( 'img_name', $ascendingOrder ? 'newer' : 'older', null, null );
if ( $params['continue'] !== null ) {
$cont = $this->parseContinueParamOrDie( $params['continue'], [ 'timestamp', 'string' ] );
$op = ( $ascendingOrder ? '>=' : '<=' );
$this->addWhere( $db->buildComparison( $op, [
'img_timestamp' => $db->timestamp( $cont[0] ),
'img_name' => $cont[1],
] ) );
}
// Image filters
if ( $params['user'] !== null ) {
if ( isset( $fileQuery['fields']['img_user_text'] ) ) {
$this->addWhereFld( $fileQuery['fields']['img_user_text'], $params['user'] );
} else {
// file read new
$this->addWhereFld( 'img_user_text', $params['user'] );
}
}
if ( $params['filterbots'] != 'all' ) {
$this->addTables( 'user_groups' );
$this->addJoinConds( [ 'user_groups' => [
'LEFT JOIN',
[
'ug_group' => $this->groupPermissionsLookup->getGroupsWithPermission( 'bot' ),
'ug_user = actor_user',
$db->expr( 'ug_expiry', '=', null )->or( 'ug_expiry', '>=', $db->timestamp() )
]
] ] );
$groupCond = $params['filterbots'] == 'nobots' ? 'NULL' : 'NOT NULL';
$this->addWhere( "ug_group IS $groupCond" );
}
}
// Filters not depending on sort
if ( isset( $params['minsize'] ) ) {
$this->addWhere( 'img_size>=' . (int)$params['minsize'] );
}
if ( isset( $params['maxsize'] ) ) {
$this->addWhere( 'img_size<=' . (int)$params['maxsize'] );
}
$sha1 = false;
if ( isset( $params['sha1'] ) ) {
$sha1 = strtolower( $params['sha1'] );
if ( !$this->validateSha1Hash( $sha1 ) ) {
$this->dieWithError( 'apierror-invalidsha1hash' );
}
$sha1 = \Wikimedia\base_convert( $sha1, 16, 36, 31 );
} elseif ( isset( $params['sha1base36'] ) ) {
$sha1 = strtolower( $params['sha1base36'] );
if ( !$this->validateSha1Base36Hash( $sha1 ) ) {
$this->dieWithError( 'apierror-invalidsha1base36hash' );
}
}
if ( $sha1 ) {
$this->addWhereFld( 'img_sha1', $sha1 );
}
if ( $params['mime'] !== null ) {
if ( $this->getConfig()->get( MainConfigNames::MiserMode ) ) {
$this->dieWithError( 'apierror-mimesearchdisabled' );
}
$mimeConds = [];
foreach ( $params['mime'] as $mime ) {
[ $major, $minor ] = File::splitMime( $mime );
$mimeConds[] =
$db->expr( 'img_major_mime', '=', $major )
->and( 'img_minor_mime', '=', $minor );
}
if ( count( $mimeConds ) > 0 ) {
$this->addWhere( $db->orExpr( $mimeConds ) );
} else {
// no MIME types, no files
$this->getResult()->addValue( 'query', $this->getModuleName(), [] );
return;
}
}
$limit = $params['limit'];
$this->addOption( 'LIMIT', $limit + 1 );
$res = $this->select( __METHOD__ );
$titles = [];
$count = 0;
$result = $this->getResult();
foreach ( $res as $row ) {
if ( ++$count > $limit ) {
// We've reached the one extra which shows that there are
// additional pages to be had. Stop here...
if ( $params['sort'] == 'name' ) {
$this->setContinueEnumParameter( 'continue', $row->img_name );
} else {
$this->setContinueEnumParameter( 'continue', "$row->img_timestamp|$row->img_name" );
}
break;
}
if ( $resultPageSet === null ) {
$file = $repo->newFileFromRow( $row );
$info = array_merge( [ 'name' => $row->img_name ],
ApiQueryImageInfo::getInfo( $file, $prop, $result ) );
self::addTitleInfo( $info, $file->getTitle() );
$fit = $result->addValue( [ 'query', $this->getModuleName() ], null, $info );
if ( !$fit ) {
if ( $params['sort'] == 'name' ) {
$this->setContinueEnumParameter( 'continue', $row->img_name );
} else {
$this->setContinueEnumParameter( 'continue', "$row->img_timestamp|$row->img_name" );
}
break;
}
} else {
$titles[] = Title::makeTitle( NS_FILE, $row->img_name );
}
}
if ( $resultPageSet === null ) {
$result->addIndexedTagName( [ 'query', $this->getModuleName() ], 'img' );
} else {
$resultPageSet->populateFromTitles( $titles );
}
}
public function getAllowedParams() {
$ret = [
'sort' => [
ParamValidator::PARAM_DEFAULT => 'name',
ParamValidator::PARAM_TYPE => [
'name',
'timestamp'
]
],
'dir' => [
ParamValidator::PARAM_DEFAULT => 'ascending',
ParamValidator::PARAM_TYPE => [
// sort=name
'ascending',
'descending',
// sort=timestamp
'newer',
'older'
]
],
'from' => null,
'to' => null,
'continue' => [
ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
],
'start' => [
ParamValidator::PARAM_TYPE => 'timestamp'
],
'end' => [
ParamValidator::PARAM_TYPE => 'timestamp'
],
'prop' => [
ParamValidator::PARAM_TYPE => ApiQueryImageInfo::getPropertyNames( self::PROPERTY_FILTER ),
ParamValidator::PARAM_DEFAULT => 'timestamp|url',
ParamValidator::PARAM_ISMULTI => true,
ApiBase::PARAM_HELP_MSG => 'apihelp-query+imageinfo-param-prop',
ApiBase::PARAM_HELP_MSG_PER_VALUE =>
ApiQueryImageInfo::getPropertyMessages( self::PROPERTY_FILTER ),
],
'prefix' => null,
'minsize' => [
ParamValidator::PARAM_TYPE => 'integer',
],
'maxsize' => [
ParamValidator::PARAM_TYPE => 'integer',
],
'sha1' => null,
'sha1base36' => null,
'user' => [
ParamValidator::PARAM_TYPE => 'user',
UserDef::PARAM_ALLOWED_USER_TYPES => [ 'name', 'ip', 'temp', 'id', 'interwiki' ],
],
'filterbots' => [
ParamValidator::PARAM_DEFAULT => 'all',
ParamValidator::PARAM_TYPE => [
'all',
'bots',
'nobots'
]
],
'mime' => [
ParamValidator::PARAM_ISMULTI => true,
],
'limit' => [
ParamValidator::PARAM_DEFAULT => 10,
ParamValidator::PARAM_TYPE => 'limit',
IntegerDef::PARAM_MIN => 1,
IntegerDef::PARAM_MAX => ApiBase::LIMIT_BIG1,
IntegerDef::PARAM_MAX2 => ApiBase::LIMIT_BIG2
],
];
if ( $this->getConfig()->get( MainConfigNames::MiserMode ) ) {
$ret['mime'][ApiBase::PARAM_HELP_MSG] = 'api-help-param-disabled-in-miser-mode';
}
return $ret;
}
private const PROPERTY_FILTER = [ 'archivename', 'thumbmime', 'uploadwarning' ];
protected function getExamplesMessages() {
return [
'action=query&list=allimages&aifrom=B'
=> 'apihelp-query+allimages-example-b',
'action=query&list=allimages&aiprop=user|timestamp|url&' .
'aisort=timestamp&aidir=older'
=> 'apihelp-query+allimages-example-recent',
'action=query&list=allimages&aimime=image/png|image/gif'
=> 'apihelp-query+allimages-example-mimetypes',
'action=query&generator=allimages&gailimit=4&' .
'gaifrom=T&prop=imageinfo'
=> 'apihelp-query+allimages-example-generator',
];
}
public function getHelpUrls() {
return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Allimages';
}
}
/** @deprecated class alias since 1.43 */
class_alias( ApiQueryAllImages::class, 'ApiQueryAllImages' );