1
0
Fork 0
mirror of https://github.com/YunoHost-Apps/mediawiki_ynh.git synced 2024-09-03 19:46:05 +02:00
mediawiki_ynh/sources/mediawiki/includes/api/ApiQueryAllImages.php

408 lines
14 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
*/
/**
* Query module to enumerate all available pages.
*
* @ingroup API
*/
class ApiQueryAllImages extends ApiQueryGeneratorBase {
protected $mRepo;
public function __construct( $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 DatabaseBase
*/
protected function getDB() {
return $this->mRepo->getSlaveDB();
}
public function execute() {
$this->run();
}
public function getCacheMode( $params ) {
return 'public';
}
/**
* @param $resultPageSet ApiPageSet
* @return void
*/
public function executeGenerator( $resultPageSet ) {
if ( $resultPageSet->isResolvingRedirects() ) {
$this->dieUsage( 'Use "gaifilterredir=nonredirects" option instead of "redirects" when using allimages as a generator', 'params' );
}
$this->run( $resultPageSet );
}
/**
* @param $resultPageSet ApiPageSet
* @return void
*/
private function run( $resultPageSet = null ) {
$repo = $this->mRepo;
if ( !$repo instanceof LocalRepo ) {
$this->dieUsage( 'Local file repository does not support querying all images', 'unsupportedrepo' );
}
$prefix = $this->getModulePrefix();
$db = $this->getDB();
$params = $this->extractRequestParams();
// 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 = array( 'start', 'end', 'user' );
foreach ( $disallowed as $pname ) {
if ( isset( $params[$pname] ) ) {
$this->dieUsage( "Parameter '{$prefix}{$pname}' can only be used with {$prefix}sort=timestamp", 'badparams' );
}
}
if ( $params['filterbots'] != 'all' ) {
$this->dieUsage( "Parameter '{$prefix}filterbots' can only be used with {$prefix}sort=timestamp", 'badparams' );
}
// 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 = ( is_null( $params['from'] ) ? null : $this->titlePartToKey( $params['from'] ) );
$to = ( is_null( $params['to'] ) ? null : $this->titlePartToKey( $params['to'] ) );
$this->addWhereRange( 'img_name', ( $ascendingOrder ? 'newer' : 'older' ), $from, $to );
if ( isset( $params['prefix'] ) ) {
$this->addWhere( 'img_name' . $db->buildLike( $this->titlePartToKey( $params['prefix'] ), $db->anyString() ) );
}
} else {
// Check mutually exclusive params
$disallowed = array( 'from', 'to', 'prefix' );
foreach ( $disallowed as $pname ) {
if ( isset( $params[$pname] ) ) {
$this->dieUsage( "Parameter '{$prefix}{$pname}' can only be used with {$prefix}sort=name", 'badparams' );
}
}
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
$this->dieUsage( "Parameters '{$prefix}user' and '{$prefix}filterbots' cannot be used together", 'badparams' );
}
// Pagination
$this->addTimestampWhereRange( 'img_timestamp', ( $ascendingOrder ? 'newer' : 'older' ), $params['start'], $params['end'] );
// Image filters
if ( !is_null( $params['user'] ) ) {
$this->addWhereFld( 'img_user_text', $params['user'] );
}
if ( $params['filterbots'] != 'all' ) {
$this->addTables( 'user_groups' );
$this->addJoinConds( array( 'user_groups' => array(
'LEFT JOIN',
array(
'ug_group' => User::getGroupsWithPermission( 'bot' ),
'ug_user = img_user'
)
) ) );
$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->dieUsage( 'The SHA1 hash provided is not valid', 'invalidsha1hash' );
}
$sha1 = wfBaseConvert( $sha1, 16, 36, 31 );
} elseif ( isset( $params['sha1base36'] ) ) {
$sha1 = strtolower( $params['sha1base36'] );
if ( !$this->validateSha1Base36Hash( $sha1 ) ) {
$this->dieUsage( 'The SHA1Base36 hash provided is not valid', 'invalidsha1base36hash' );
}
}
if ( $sha1 ) {
$this->addWhereFld( 'img_sha1', $sha1 );
}
if ( !is_null( $params['mime'] ) ) {
global $wgMiserMode;
if ( $wgMiserMode ) {
$this->dieUsage( 'MIME search disabled in Miser Mode', 'mimesearchdisabled' );
}
list( $major, $minor ) = File::splitMime( $params['mime'] );
$this->addWhereFld( 'img_major_mime', $major );
$this->addWhereFld( 'img_minor_mime', $minor );
}
$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'] ) ) {
$this->addOption( 'USE INDEX', array( 'image' => 'img_usertext_timestamp' ) );
} else {
$this->addOption( 'USE INDEX', array( 'image' => 'img_timestamp' ) );
}
} else {
$this->addOption( 'ORDER BY', 'img_name' . $sortFlag );
}
$res = $this->select( __METHOD__ );
$titles = array();
$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( 'start', wfTimestamp( TS_ISO_8601, $row->img_timestamp ) );
}
break;
}
if ( is_null( $resultPageSet ) ) {
$file = $repo->newFileFromRow( $row );
$info = array_merge( array( 'name' => $row->img_name ),
ApiQueryImageInfo::getInfo( $file, $prop, $result ) );
self::addTitleInfo( $info, $file->getTitle() );
$fit = $result->addValue( array( 'query', $this->getModuleName() ), null, $info );
if ( !$fit ) {
if ( $params['sort'] == 'name' ) {
$this->setContinueEnumParameter( 'continue', $row->img_name );
} else {
$this->setContinueEnumParameter( 'start', wfTimestamp( TS_ISO_8601, $row->img_timestamp ) );
}
break;
}
} else {
$titles[] = Title::makeTitle( NS_FILE, $row->img_name );
}
}
if ( is_null( $resultPageSet ) ) {
$result->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), 'img' );
} else {
$resultPageSet->populateFromTitles( $titles );
}
}
public function getAllowedParams() {
return array(
'sort' => array(
ApiBase::PARAM_DFLT => 'name',
ApiBase::PARAM_TYPE => array(
'name',
'timestamp'
)
),
'dir' => array(
ApiBase::PARAM_DFLT => 'ascending',
ApiBase::PARAM_TYPE => array(
// sort=name
'ascending',
'descending',
// sort=timestamp
'newer',
'older'
)
),
'from' => null,
'to' => null,
'continue' => null,
'start' => array(
ApiBase::PARAM_TYPE => 'timestamp'
),
'end' => array(
ApiBase::PARAM_TYPE => 'timestamp'
),
'prop' => array(
ApiBase::PARAM_TYPE => ApiQueryImageInfo::getPropertyNames( $this->propertyFilter ),
ApiBase::PARAM_DFLT => 'timestamp|url',
ApiBase::PARAM_ISMULTI => true
),
'prefix' => null,
'minsize' => array(
ApiBase::PARAM_TYPE => 'integer',
),
'maxsize' => array(
ApiBase::PARAM_TYPE => 'integer',
),
'sha1' => null,
'sha1base36' => null,
'user' => array(
ApiBase::PARAM_TYPE => 'user'
),
'filterbots' => array(
ApiBase::PARAM_DFLT => 'all',
ApiBase::PARAM_TYPE => array(
'all',
'bots',
'nobots'
)
),
'mime' => null,
'limit' => array(
ApiBase::PARAM_DFLT => 10,
ApiBase::PARAM_TYPE => 'limit',
ApiBase::PARAM_MIN => 1,
ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
),
);
}
public function getParamDescription() {
$p = $this->getModulePrefix();
return array(
'sort' => 'Property to sort by',
'dir' => 'The direction in which to list',
'from' => "The image title to start enumerating from. Can only be used with {$p}sort=name",
'to' => "The image title to stop enumerating at. Can only be used with {$p}sort=name",
'continue' => 'When more results are available, use this to continue',
'start' => "The timestamp to start enumerating from. Can only be used with {$p}sort=timestamp",
'end' => "The timestamp to end enumerating. Can only be used with {$p}sort=timestamp",
'prop' => ApiQueryImageInfo::getPropertyDescriptions( $this->propertyFilter ),
'prefix' => "Search for all image titles that begin with this value. Can only be used with {$p}sort=name",
'minsize' => 'Limit to images with at least this many bytes',
'maxsize' => 'Limit to images with at most this many bytes',
'sha1' => "SHA1 hash of image. Overrides {$p}sha1base36",
'sha1base36' => 'SHA1 hash of image in base 36 (used in MediaWiki)',
'user' => "Only return files uploaded by this user. Can only be used with {$p}sort=timestamp. Cannot be used together with {$p}filterbots",
'filterbots' => "How to filter files uploaded by bots. Can only be used with {$p}sort=timestamp. Cannot be used together with {$p}user",
'mime' => 'What MIME type to search for. e.g. image/jpeg. Disabled in Miser Mode',
'limit' => 'How many images in total to return',
);
}
private $propertyFilter = array( 'archivename', 'thumbmime' );
public function getResultProperties() {
return array_merge(
array(
'' => array(
'name' => 'string',
'ns' => 'namespace',
'title' => 'string'
)
),
ApiQueryImageInfo::getResultPropertiesFiltered( $this->propertyFilter )
);
}
public function getDescription() {
return 'Enumerate all images sequentially';
}
public function getPossibleErrors() {
$p = $this->getModulePrefix();
return array_merge( parent::getPossibleErrors(), array(
array( 'code' => 'params', 'info' => 'Use "gaifilterredir=nonredirects" option instead of "redirects" when using allimages as a generator' ),
array( 'code' => 'badparams', 'info' => "Parameter'{$p}start' can only be used with {$p}sort=timestamp" ),
array( 'code' => 'badparams', 'info' => "Parameter'{$p}end' can only be used with {$p}sort=timestamp" ),
array( 'code' => 'badparams', 'info' => "Parameter'{$p}user' can only be used with {$p}sort=timestamp" ),
array( 'code' => 'badparams', 'info' => "Parameter'{$p}filterbots' can only be used with {$p}sort=timestamp" ),
array( 'code' => 'badparams', 'info' => "Parameter'{$p}from' can only be used with {$p}sort=name" ),
array( 'code' => 'badparams', 'info' => "Parameter'{$p}to' can only be used with {$p}sort=name" ),
array( 'code' => 'badparams', 'info' => "Parameter'{$p}prefix' can only be used with {$p}sort=name" ),
array( 'code' => 'badparams', 'info' => "Parameters '{$p}user' and '{$p}filterbots' cannot be used together" ),
array( 'code' => 'unsupportedrepo', 'info' => 'Local file repository does not support querying all images' ),
array( 'code' => 'mimesearchdisabled', 'info' => 'MIME search disabled in Miser Mode' ),
array( 'code' => 'invalidsha1hash', 'info' => 'The SHA1 hash provided is not valid' ),
array( 'code' => 'invalidsha1base36hash', 'info' => 'The SHA1Base36 hash provided is not valid' ),
) );
}
public function getExamples() {
return array(
'api.php?action=query&list=allimages&aifrom=B' => array(
'Simple Use',
'Show a list of files starting at the letter "B"',
),
'api.php?action=query&list=allimages&aiprop=user|timestamp|url&aisort=timestamp&aidir=older' => array(
'Simple Use',
'Show a list of recently uploaded files similar to Special:NewFiles',
),
'api.php?action=query&generator=allimages&gailimit=4&gaifrom=T&prop=imageinfo' => array(
'Using as Generator',
'Show info about 4 files starting at the letter "T"',
),
);
}
public function getHelpUrls() {
return 'https://www.mediawiki.org/wiki/API:Allimages';
}
}