wiki.techinc.nl/includes/api/ApiQueryAllImages.php
Baha 036b9c4167 Make API documentation links language aware
Links generated by the API are now aware of the user's preferred
language and will show documents in that language if available.

To test, log in to mediawiki.org and set your language preference to 'es',
then on an MediaWiki installation with this patch view the generated
expanded API help at `api.php?action=help&recursivesubmodules=1&modules=main`.
Each link to documentation on mediawiki.org should take you to its
translated /es subpage, if one exists.

Bug: T104518
Change-Id: I339a1f3ae1bce9d759cf251899d57c32b1def91e
2017-04-05 11:08:25 -04:00

433 lines
12 KiB
PHP

<?php
/**
* API for MediaWiki 1.12+
*
* Created on Mar 16, 2008
*
* 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
*/
use Wikimedia\Rdbms\IDatabase;
/**
* Query module to enumerate all available pages.
*
* @ingroup API
*/
class ApiQueryAllImages extends ApiQueryGeneratorBase {
protected $mRepo;
public function __construct( ApiQuery $query, $moduleName ) {
parent::__construct( $query, $moduleName, 'ai' );
$this->mRepo = RepoGroup::singleton()->getLocalRepo();
}
/**
* 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 IDatabase
*/
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 $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();
$userId = !is_null( $params['user'] ) ? User::idFromName( $params['user'] ) : null;
// Table and return fields
$this->addTables( 'image' );
$prop = array_flip( $params['prop'] );
$this->addFields( LocalFile::selectFields() );
$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 ( !is_null( $params['continue'] ) ) {
$cont = explode( '|', $params['continue'] );
$this->dieContinueUsageIf( count( $cont ) != 1 );
$op = ( $ascendingOrder ? '>' : '<' );
$continueFrom = $db->addQuotes( $cont[0] );
$this->addWhere( "img_name $op= $continueFrom" );
}
// 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( 'img_name' . $db->buildLike(
$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 ( !is_null( $params['user'] ) && $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 ( !is_null( $params['continue'] ) ) {
$cont = explode( '|', $params['continue'] );
$this->dieContinueUsageIf( count( $cont ) != 2 );
$op = ( $ascendingOrder ? '>' : '<' );
$continueTimestamp = $db->addQuotes( $db->timestamp( $cont[0] ) );
$continueName = $db->addQuotes( $cont[1] );
$this->addWhere( "img_timestamp $op $continueTimestamp OR " .
"(img_timestamp = $continueTimestamp AND " .
"img_name $op= $continueName)"
);
}
// Image filters
if ( !is_null( $params['user'] ) ) {
if ( $userId ) {
$this->addWhereFld( 'img_user', $userId );
} else {
$this->addWhereFld( 'img_user_text', $params['user'] );
}
}
if ( $params['filterbots'] != 'all' ) {
$this->addTables( 'user_groups' );
$this->addJoinConds( [ 'user_groups' => [
'LEFT JOIN',
[
'ug_group' => User::getGroupsWithPermission( 'bot' ),
'ug_user = img_user',
$this->getConfig()->get( 'DisableUserGroupExpiry' ) ?
'1' :
'ug_expiry IS NULL OR ug_expiry >= ' . $db->addQuotes( $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>=' . intval( $params['minsize'] ) );
}
if ( isset( $params['maxsize'] ) ) {
$this->addWhere( 'img_size<=' . intval( $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 ( !is_null( $params['mime'] ) ) {
if ( $this->getConfig()->get( 'MiserMode' ) ) {
$this->dieWithError( 'apierror-mimesearchdisabled' );
}
$mimeConds = [];
foreach ( $params['mime'] as $mime ) {
list( $major, $minor ) = File::splitMime( $mime );
$mimeConds[] = $db->makeList(
[
'img_major_mime' => $major,
'img_minor_mime' => $minor,
],
LIST_AND
);
}
// safeguard against internal_api_error_DBQueryError
if ( count( $mimeConds ) > 0 ) {
$this->addWhere( $db->makeList( $mimeConds, LIST_OR ) );
} else {
// no MIME types, no files
$this->getResult()->addValue( 'query', $this->getModuleName(), [] );
return;
}
}
$limit = $params['limit'];
$this->addOption( 'LIMIT', $limit + 1 );
$sortFlag = '';
if ( !$ascendingOrder ) {
$sortFlag = ' DESC';
}
if ( $params['sort'] == 'timestamp' ) {
$this->addOption( 'ORDER BY', 'img_timestamp' . $sortFlag );
if ( !is_null( $params['user'] ) ) {
if ( $userId ) {
$this->addOption( 'USE INDEX', [ 'image' => 'img_user_timestamp' ] );
} else {
$this->addOption( 'USE INDEX', [ 'image' => 'img_usertext_timestamp' ] );
}
} else {
$this->addOption( 'USE INDEX', [ 'image' => 'img_timestamp' ] );
}
} else {
$this->addOption( 'ORDER BY', 'img_name' . $sortFlag );
}
$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 ( is_null( $resultPageSet ) ) {
$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 ( is_null( $resultPageSet ) ) {
$result->addIndexedTagName( [ 'query', $this->getModuleName() ], 'img' );
} else {
$resultPageSet->populateFromTitles( $titles );
}
}
public function getAllowedParams() {
$ret = [
'sort' => [
ApiBase::PARAM_DFLT => 'name',
ApiBase::PARAM_TYPE => [
'name',
'timestamp'
]
],
'dir' => [
ApiBase::PARAM_DFLT => 'ascending',
ApiBase::PARAM_TYPE => [
// sort=name
'ascending',
'descending',
// sort=timestamp
'newer',
'older'
]
],
'from' => null,
'to' => null,
'continue' => [
ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
],
'start' => [
ApiBase::PARAM_TYPE => 'timestamp'
],
'end' => [
ApiBase::PARAM_TYPE => 'timestamp'
],
'prop' => [
ApiBase::PARAM_TYPE => ApiQueryImageInfo::getPropertyNames( $this->propertyFilter ),
ApiBase::PARAM_DFLT => 'timestamp|url',
ApiBase::PARAM_ISMULTI => true,
ApiBase::PARAM_HELP_MSG => 'apihelp-query+imageinfo-param-prop',
ApiBase::PARAM_HELP_MSG_PER_VALUE =>
ApiQueryImageInfo::getPropertyMessages( $this->propertyFilter ),
],
'prefix' => null,
'minsize' => [
ApiBase::PARAM_TYPE => 'integer',
],
'maxsize' => [
ApiBase::PARAM_TYPE => 'integer',
],
'sha1' => null,
'sha1base36' => null,
'user' => [
ApiBase::PARAM_TYPE => 'user'
],
'filterbots' => [
ApiBase::PARAM_DFLT => 'all',
ApiBase::PARAM_TYPE => [
'all',
'bots',
'nobots'
]
],
'mime' => [
ApiBase::PARAM_ISMULTI => true,
],
'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
],
];
if ( $this->getConfig()->get( 'MiserMode' ) ) {
$ret['mime'][ApiBase::PARAM_HELP_MSG] = 'api-help-param-disabled-in-miser-mode';
}
return $ret;
}
private $propertyFilter = [ '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';
}
}