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mediawiki_ynh/sources/mediawiki/includes/api/ApiQueryFilearchive.php

380 lines
12 KiB
PHP

<?php
/**
* API for MediaWiki 1.12+
*
* Created on May 10, 2010
*
* Copyright © 2010 Sam Reed
* 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 deleted files.
*
* @ingroup API
*/
class ApiQueryFilearchive extends ApiQueryBase {
public function __construct( $query, $moduleName ) {
parent::__construct( $query, $moduleName, 'fa' );
}
public function execute() {
$user = $this->getUser();
// Before doing anything at all, let's check permissions
if ( !$user->isAllowed( 'deletedhistory' ) ) {
$this->dieUsage( 'You don\'t have permission to view deleted file information', 'permissiondenied' );
}
$db = $this->getDB();
$params = $this->extractRequestParams();
$prop = array_flip( $params['prop'] );
$fld_sha1 = isset( $prop['sha1'] );
$fld_timestamp = isset( $prop['timestamp'] );
$fld_user = isset( $prop['user'] );
$fld_size = isset( $prop['size'] );
$fld_dimensions = isset( $prop['dimensions'] );
$fld_description = isset( $prop['description'] ) || isset( $prop['parseddescription'] );
$fld_mime = isset( $prop['mime'] );
$fld_mediatype = isset( $prop['mediatype'] );
$fld_metadata = isset( $prop['metadata'] );
$fld_bitdepth = isset( $prop['bitdepth'] );
$fld_archivename = isset( $prop['archivename'] );
$this->addTables( 'filearchive' );
$this->addFields( array( 'fa_name', 'fa_deleted' ) );
$this->addFieldsIf( 'fa_sha1', $fld_sha1 );
$this->addFieldsIf( 'fa_timestamp', $fld_timestamp );
$this->addFieldsIf( array( 'fa_user', 'fa_user_text' ), $fld_user );
$this->addFieldsIf( array( 'fa_height', 'fa_width', 'fa_size' ), $fld_dimensions || $fld_size );
$this->addFieldsIf( 'fa_description', $fld_description );
$this->addFieldsIf( array( 'fa_major_mime', 'fa_minor_mime' ), $fld_mime );
$this->addFieldsIf( 'fa_media_type', $fld_mediatype );
$this->addFieldsIf( 'fa_metadata', $fld_metadata );
$this->addFieldsIf( 'fa_bits', $fld_bitdepth );
$this->addFieldsIf( 'fa_archive_name', $fld_archivename );
if ( !is_null( $params['continue'] ) ) {
$cont = explode( '|', $params['continue'] );
$this->dieContinueUsageIf( count( $cont ) != 1 );
$op = $params['dir'] == 'descending' ? '<' : '>';
$cont_from = $db->addQuotes( $cont[0] );
$this->addWhere( "fa_name $op= $cont_from" );
}
// Image filters
$dir = ( $params['dir'] == 'descending' ? 'older' : 'newer' );
$from = ( is_null( $params['from'] ) ? null : $this->titlePartToKey( $params['from'] ) );
if ( !is_null( $params['continue'] ) ) {
$from = $params['continue'];
}
$to = ( is_null( $params['to'] ) ? null : $this->titlePartToKey( $params['to'] ) );
$this->addWhereRange( 'fa_name', $dir, $from, $to );
if ( isset( $params['prefix'] ) ) {
$this->addWhere( 'fa_name' . $db->buildLike( $this->titlePartToKey( $params['prefix'] ), $db->anyString() ) );
}
$sha1Set = isset( $params['sha1'] );
$sha1base36Set = isset( $params['sha1base36'] );
if ( $sha1Set || $sha1base36Set ) {
$sha1 = false;
if ( $sha1Set ) {
$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 ( $sha1base36Set ) {
$sha1 = strtolower( $params['sha1base36'] );
if ( !$this->validateSha1Base36Hash( $sha1 ) ) {
$this->dieUsage( 'The SHA1Base36 hash provided is not valid', 'invalidsha1base36hash' );
}
}
if ( $sha1 ) {
$this->addWhereFld( 'fa_sha1', $sha1 );
}
}
if ( !$user->isAllowed( 'suppressrevision' ) ) {
// Filter out revisions that the user is not allowed to see. There
// is no way to indicate that we have skipped stuff because the
// continuation parameter is fa_name
// Note that this field is unindexed. This should however not be
// a big problem as files with fa_deleted are rare
$this->addWhereFld( 'fa_deleted', 0 );
}
$limit = $params['limit'];
$this->addOption( 'LIMIT', $limit + 1 );
$sort = ( $params['dir'] == 'descending' ? ' DESC' : '' );
$this->addOption( 'ORDER BY', 'fa_name' . $sort );
$res = $this->select( __METHOD__ );
$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...
$this->setContinueEnumParameter( 'continue', $row->fa_name );
break;
}
$file = array();
$file['name'] = $row->fa_name;
$title = Title::makeTitle( NS_FILE, $row->fa_name );
self::addTitleInfo( $file, $title );
if ( $fld_sha1 ) {
$file['sha1'] = wfBaseConvert( $row->fa_sha1, 36, 16, 40 );
}
if ( $fld_timestamp ) {
$file['timestamp'] = wfTimestamp( TS_ISO_8601, $row->fa_timestamp );
}
if ( $fld_user ) {
$file['userid'] = $row->fa_user;
$file['user'] = $row->fa_user_text;
}
if ( $fld_size || $fld_dimensions ) {
$file['size'] = $row->fa_size;
$pageCount = ArchivedFile::newFromRow( $row )->pageCount();
if ( $pageCount !== false ) {
$vals['pagecount'] = $pageCount;
}
$file['height'] = $row->fa_height;
$file['width'] = $row->fa_width;
}
if ( $fld_description ) {
$file['description'] = $row->fa_description;
if ( isset( $prop['parseddescription'] ) ) {
$file['parseddescription'] = Linker::formatComment(
$row->fa_description, $title );
}
}
if ( $fld_mediatype ) {
$file['mediatype'] = $row->fa_media_type;
}
if ( $fld_metadata ) {
$file['metadata'] = $row->fa_metadata
? ApiQueryImageInfo::processMetaData( unserialize( $row->fa_metadata ), $result )
: null;
}
if ( $fld_bitdepth ) {
$file['bitdepth'] = $row->fa_bits;
}
if ( $fld_mime ) {
$file['mime'] = "$row->fa_major_mime/$row->fa_minor_mime";
}
if ( $fld_archivename && !is_null( $row->fa_archive_name ) ) {
$file['archivename'] = $row->fa_archive_name;
}
if ( $row->fa_deleted & File::DELETED_FILE ) {
$file['filehidden'] = '';
}
if ( $row->fa_deleted & File::DELETED_COMMENT ) {
$file['commenthidden'] = '';
}
if ( $row->fa_deleted & File::DELETED_USER ) {
$file['userhidden'] = '';
}
if ( $row->fa_deleted & File::DELETED_RESTRICTED ) {
// This file is deleted for normal admins
$file['suppressed'] = '';
}
$fit = $result->addValue( array( 'query', $this->getModuleName() ), null, $file );
if ( !$fit ) {
$this->setContinueEnumParameter( 'continue', $row->fa_name );
break;
}
}
$result->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), 'fa' );
}
public function getAllowedParams() {
return array(
'from' => null,
'continue' => null,
'to' => null,
'prefix' => null,
'limit' => array(
ApiBase::PARAM_DFLT => 10,
ApiBase::PARAM_TYPE => 'limit',
ApiBase::PARAM_MIN => 1,
ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
),
'dir' => array(
ApiBase::PARAM_DFLT => 'ascending',
ApiBase::PARAM_TYPE => array(
'ascending',
'descending'
)
),
'sha1' => null,
'sha1base36' => null,
'prop' => array(
ApiBase::PARAM_DFLT => 'timestamp',
ApiBase::PARAM_ISMULTI => true,
ApiBase::PARAM_TYPE => array(
'sha1',
'timestamp',
'user',
'size',
'dimensions',
'description',
'parseddescription',
'mime',
'mediatype',
'metadata',
'bitdepth',
'archivename',
),
),
);
}
public function getParamDescription() {
return array(
'from' => 'The image title to start enumerating from',
'continue' => 'When more results are available, use this to continue',
'to' => 'The image title to stop enumerating at',
'prefix' => 'Search for all image titles that begin with this value',
'dir' => 'The direction in which to list',
'limit' => 'How many images to return in total',
'sha1' => "SHA1 hash of image. Overrides {$this->getModulePrefix()}sha1base36",
'sha1base36' => 'SHA1 hash of image in base 36 (used in MediaWiki)',
'prop' => array(
'What image information to get:',
' sha1 - Adds SHA-1 hash for the image',
' timestamp - Adds timestamp for the uploaded version',
' user - Adds user who uploaded the image version',
' size - Adds the size of the image in bytes and the height, width and page count (if applicable)',
' dimensions - Alias for size',
' description - Adds description the image version',
' parseddescription - Parse the description on the version',
' mime - Adds MIME of the image',
' mediatype - Adds the media type of the image',
' metadata - Lists Exif metadata for the version of the image',
' bitdepth - Adds the bit depth of the version',
' archivename - Adds the file name of the archive version for non-latest versions'
),
);
}
public function getResultProperties() {
return array(
'' => array(
'name' => 'string',
'ns' => 'namespace',
'title' => 'string',
'filehidden' => 'boolean',
'commenthidden' => 'boolean',
'userhidden' => 'boolean',
'suppressed' => 'boolean'
),
'sha1' => array(
'sha1' => 'string'
),
'timestamp' => array(
'timestamp' => 'timestamp'
),
'user' => array(
'userid' => 'integer',
'user' => 'string'
),
'size' => array(
'size' => 'integer',
'pagecount' => array(
ApiBase::PROP_TYPE => 'integer',
ApiBase::PROP_NULLABLE => true
),
'height' => 'integer',
'width' => 'integer'
),
'dimensions' => array(
'size' => 'integer',
'pagecount' => array(
ApiBase::PROP_TYPE => 'integer',
ApiBase::PROP_NULLABLE => true
),
'height' => 'integer',
'width' => 'integer'
),
'description' => array(
'description' => 'string'
),
'parseddescription' => array(
'description' => 'string',
'parseddescription' => 'string'
),
'metadata' => array(
'metadata' => 'string'
),
'bitdepth' => array(
'bitdepth' => 'integer'
),
'mime' => array(
'mime' => 'string'
),
'mediatype' => array(
'mediatype' => 'string'
),
'archivename' => array(
'archivename' => 'string'
),
);
}
public function getDescription() {
return 'Enumerate all deleted files sequentially';
}
public function getPossibleErrors() {
return array_merge( parent::getPossibleErrors(), array(
array( 'code' => 'permissiondenied', 'info' => 'You don\'t have permission to view deleted file information' ),
array( 'code' => 'hashsearchdisabled', 'info' => 'Search by hash 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=filearchive' => array(
'Simple Use',
'Show a list of all deleted files',
),
);
}
public function getHelpUrls() {
return 'https://www.mediawiki.org/wiki/API:Filearchive';
}
}