wiki.techinc.nl/includes/api/ApiQueryFilearchive.php

252 lines
7.4 KiB
PHP

<?php
/**
* Created on May 10, 2010
*
* API for MediaWiki 1.12+
*
* 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.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* http://www.gnu.org/copyleft/gpl.html
*/
if ( !defined( 'MEDIAWIKI' ) ) {
// Eclipse helper - will be ignored in production
require_once( 'ApiQueryBase.php' );
}
/**
* 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() {
global $wgUser;
// Before doing anything at all, let's check permissions
if ( !$wgUser->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_id = isset( $prop['id'] );
$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'] );
$fld_mime = isset( $prop['mime'] );
$fld_metadata = isset( $prop['metadata'] );
$fld_bitdepth = isset( $prop['bitdepth'] );
$this->addTables( 'filearchive' );
$this->addFields( 'fa_name' );
$this->addFieldsIf( 'fa_storage_key', $fld_sha1 );
$this->addFieldsIf( 'fa_timestamp', $fld_timestamp );
$this->addFieldsIf( 'fa_user', $fld_user );
$this->addFieldsIf( 'fa_size', $fld_size );
if ( $fld_dimensions ) {
$this->addFields( array( 'fa_height', 'fa_width' ) );
}
$this->addFieldsIf( 'fa_description', $fld_description );
if ( $fld_mime ) {
$this->addFields( array( 'fa_major_mime', 'fa_minor_mime' ) );
}
$this->addFieldsIf( 'fa_metadata', $fld_metadata );
$this->addFieldsIf( 'fa_bits', $fld_bitdepth );
// Image filters
$dir = ( $params['dir'] == 'descending' ? 'older' : 'newer' );
$from = ( is_null( $params['from'] ) ? null : $this->titlePartToKey( $params['from'] ) );
$this->addWhereRange( 'fa_name', $dir, $from, null );
if ( isset( $params['prefix'] ) )
$this->addWhere( 'fa_name' . $db->buildLike( $this->titlePartToKey( $params['prefix'] ), $db->anyString() ) );
if ( isset( $params['minsize'] ) ) {
$this->addWhere( 'fa_size>=' . intval( $params['minsize'] ) );
}
if ( isset( $params['maxsize'] ) ) {
$this->addWhere( 'fa_size<=' . intval( $params['maxsize'] ) );
}
$sha1 = false;
if ( isset( $params['sha1'] ) ) {
$sha1 = wfBaseConvert( $params['sha1'], 16, 36, 31 );
} elseif ( isset( $params['sha1base36'] ) ) {
$sha1 = $params['sha1base36'];
}
if ( $sha1 ) {
$this->addWhere( 'fa_storage_key=' . $db->addQuotes( $sha1 ) );
}
$limit = $params['limit'];
$this->addOption( 'LIMIT', $limit + 1 );
$this->addOption( 'ORDER BY', 'fa_name' .
( $params['dir'] == 'descending' ? ' DESC' : '' ) );
$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...
// TODO: Security issue - if the user has no right to view next title, it will still be shown
$this->setContinueEnumParameter( 'from', $this->keyToTitle( $row->fa_name ) );
break;
}
$file = array();
$file['name'] = $row->fa_name;
if ( $fld_sha1 ) {
$file['sha1'] = wfBaseConvert( $row->fa_storage_key, 36, 16, 40 );
}
if ( $fld_timestamp ) {
$file['timestamp'] = wfTimestamp( TS_ISO_8601, $row->fa_timestamp );
}
if ( $fld_user ) {
$file['user'] = $row->fa_user;
}
if ( $fld_size ) {
$file['size'] = $row->fa_size;
}
if ( $fld_dimensions ) {
$file['height'] = $row->fa_height;
$file['width'] = $row->fa_width;
}
if ( $fld_description ){
$file['description'] = $row->fa_description;
}
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";
}
$fit = $result->addValue( array( 'query', $this->getModuleName() ), null, $file );
if ( !$fit ) {
$this->setContinueEnumParameter( 'from', $this->keyToTitle( $row->fa_name ) );
break;
}
}
$result->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), 'fa' );
}
public function getAllowedParams() {
return array (
'from' => null,
'prefix' => null,
'minsize' => array(
ApiBase::PARAM_TYPE => 'integer',
),
'maxsize' => array(
ApiBase::PARAM_TYPE => 'integer',
),
'limit' => array(
ApiBase::PARAM_DFLT => 10,
ApiBase::PARAM_TYPE => 'limit',
ApiBase::PARAM_MIN => 1,
ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
),
'dir' => array(
ApiBase::PARAM_DFLT => 'ascending',
ApiBase::PARAM_TYPE => array(
'ascending',
'descending'
)
),
'sha1' => null,
'sha1base36' => null,
'prop' => array(
ApiBase::PARAM_DFLT => 'timestamp',
ApiBase::PARAM_ISMULTI => true,
ApiBase::PARAM_TYPE => array(
'sha1',
'timestamp',
'user',
'size',
'dimensions',
'description',
'mime',
'metadata',
'bitdepth'
),
),
);
}
public function getParamDescription() {
return array(
'from' => 'The image title to start enumerating from',
'prefix' => 'Search for all image titles that begin with this value',
'dir' => 'The direction in which to list',
'minsize' => 'Limit to images with at least this many bytes',
'maxsize' => 'Limit to images with at most this many bytes',
'limit' => 'How many total images to return',
'sha1' => "SHA1 hash of image. Overrides {$this->getModulePrefix()}sha1base36",
'sha1base36' => 'SHA1 hash of image in base 36 (used in MediaWiki)',
'prop' => 'Which properties to get',
);
}
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' ),
) );
}
protected function getExamples() {
return array(
'Simple Use',
' Show a list of all deleted files',
' api.php?action=query&list=filearchive',
);
}
public function getVersion() {
return __CLASS__ . ': $Id$';
}
}