<?php
-/*
+/**
* Created on July 6, 2007
*
* API for MediaWiki 1.8+
*
- * Copyright (C) 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
+ * Copyright © 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
*
* 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
* http://www.gnu.org/copyleft/gpl.html
*/
-if (!defined('MEDIAWIKI')) {
+if ( !defined( 'MEDIAWIKI' ) ) {
// Eclipse helper - will be ignored in production
- require_once ('ApiQueryBase.php');
+ require_once( 'ApiQueryBase.php' );
}
/**
* A query action to get image information and upload history.
*
- * @addtogroup API
+ * @ingroup API
*/
class ApiQueryImageInfo extends ApiQueryBase {
- public function __construct($query, $moduleName) {
- parent :: __construct($query, $moduleName, 'ii');
+ public function __construct( $query, $moduleName ) {
+ parent::__construct( $query, $moduleName, 'ii' );
}
public function execute() {
$params = $this->extractRequestParams();
- $prop = array_flip($params['prop']);
- $this->fld_timestamp = isset($prop['timestamp']);
- $this->fld_user = isset($prop['user']);
- $this->fld_comment = isset($prop['comment']);
- $this->fld_url = isset($prop['url']);
- $this->fld_size = isset($prop['size']);
- $this->fld_sha1 = isset($prop['sha1']);
- $this->fld_metadata = isset($prop['metadata']);
- $this->fld_archivename = isset($prop['archivename']);
-
- if($params['urlheight'] != -1 && $params['urlwidth'] == -1)
- $this->dieUsage("iiurlheight cannot be used without iiurlwidth", 'iiurlwidth');
- $this->scale = ($params['urlwidth'] != -1);
- $this->urlwidth = $params['urlwidth'];
- $this->urlheight = $params['urlheight'];
+ $prop = array_flip( $params['prop'] );
+
+ if ( $params['urlheight'] != - 1 && $params['urlwidth'] == - 1 ) {
+ $this->dieUsage( 'iiurlheight cannot be used without iiurlwidth', 'iiurlwidth' );
+ }
+
+ if ( $params['urlwidth'] != - 1 ) {
+ $scale = array();
+ $scale['width'] = $params['urlwidth'];
+ $scale['height'] = $params['urlheight'];
+ } else {
+ $scale = null;
+ }
$pageIds = $this->getPageSet()->getAllTitlesByNamespace();
- if (!empty($pageIds[NS_IMAGE])) {
- foreach ($pageIds[NS_IMAGE] as $dbKey => $pageId) {
+ if ( !empty( $pageIds[NS_FILE] ) ) {
+ $titles = array_keys( $pageIds[NS_FILE] );
+ asort( $titles ); // Ensure the order is always the same
- $title = Title :: makeTitle(NS_IMAGE, $dbKey);
- $img = wfFindFile($title);
+ $skip = false;
+ if ( !is_null( $params['continue'] ) ) {
+ $skip = true;
+ $cont = explode( '|', $params['continue'] );
+ if ( count( $cont ) != 2 ) {
+ $this->dieUsage( 'Invalid continue param. You should pass the original ' .
+ 'value returned by the previous query', '_badcontinue' );
+ }
+ $fromTitle = strval( $cont[0] );
+ $fromTimestamp = $cont[1];
+ // Filter out any titles before $fromTitle
+ foreach ( $titles as $key => $title ) {
+ if ( $title < $fromTitle ) {
+ unset( $titles[$key] );
+ } else {
+ break;
+ }
+ }
+ }
- $data = array();
- if ( !$img ) {
- $repository = '';
- } else {
+ $result = $this->getResult();
+ $images = RepoGroup::singleton()->findFiles( $titles );
+ foreach ( $images as $img ) {
+ // Skip redirects
+ if ( $img->getOriginalTitle()->isRedirect() ) {
+ continue;
+ }
+
+ $start = $skip ? $fromTimestamp : $params['start'];
+ $pageId = $pageIds[NS_IMAGE][ $img->getOriginalTitle()->getDBkey() ];
- $repository = $img->getRepoName();
+ $fit = $result->addValue(
+ array( 'query', 'pages', intval( $pageId ) ),
+ 'imagerepository', $img->getRepoName()
+ );
+ if ( !$fit ) {
+ if ( count( $pageIds[NS_IMAGE] ) == 1 ) {
+ // The user is screwed. imageinfo can't be solely
+ // responsible for exceeding the limit in this case,
+ // so set a query-continue that just returns the same
+ // thing again. When the violating queries have been
+ // out-continued, the result will get through
+ $this->setContinueEnumParameter( 'start',
+ wfTimestamp( TS_ISO_8601, $img->getTimestamp() ) );
+ } else {
+ $this->setContinueEnumParameter( 'continue',
+ $this->getContinueStr( $img ) );
+ }
+ break;
+ }
- // Get information about the current version first
- // Check that the current version is within the start-end boundaries
- if((is_null($params['start']) || $img->getTimestamp() <= $params['start']) &&
- (is_null($params['end']) || $img->getTimestamp() >= $params['end'])) {
- $data[] = $this->getInfo($img);
+ // Get information about the current version first
+ // Check that the current version is within the start-end boundaries
+ $gotOne = false;
+ if (
+ ( is_null( $start ) || $img->getTimestamp() <= $start ) &&
+ ( is_null( $params['end'] ) || $img->getTimestamp() >= $params['end'] )
+ )
+ {
+ $gotOne = true;
+ $fit = $this->addPageSubItem( $pageId,
+ self::getInfo( $img, $prop, $result, $scale ) );
+ if ( !$fit ) {
+ if ( count( $pageIds[NS_IMAGE] ) == 1 ) {
+ // See the 'the user is screwed' comment above
+ $this->setContinueEnumParameter( 'start',
+ wfTimestamp( TS_ISO_8601, $img->getTimestamp() ) );
+ } else {
+ $this->setContinueEnumParameter( 'continue',
+ $this->getContinueStr( $img ) );
+ }
+ break;
}
+ }
- // Now get the old revisions
- // Get one more to facilitate query-continue functionality
- $count = count($data);
- $oldies = $img->getHistory($params['limit'] - $count + 1, $params['start'], $params['end']);
- foreach($oldies as $oldie) {
- if(++$count > $params['limit']) {
- // We've reached the extra one which shows that there are additional pages to be had. Stop here...
- // Only set a query-continue if there was only one title
- if(count($pageIds[NS_IMAGE]) == 1)
- $this->setContinueEnumParameter('start', $oldie->getTimestamp());
- break;
+ // Now get the old revisions
+ // Get one more to facilitate query-continue functionality
+ $count = ( $gotOne ? 1 : 0 );
+ $oldies = $img->getHistory( $params['limit'] - $count + 1, $start, $params['end'] );
+ foreach ( $oldies as $oldie ) {
+ if ( ++$count > $params['limit'] ) {
+ // We've reached the extra one which shows that there are additional pages to be had. Stop here...
+ // Only set a query-continue if there was only one title
+ if ( count( $pageIds[NS_FILE] ) == 1 ) {
+ $this->setContinueEnumParameter( 'start',
+ wfTimestamp( TS_ISO_8601, $oldie->getTimestamp() ) );
}
- $data[] = $this->getInfo($oldie);
+ break;
}
+ $fit = $this->addPageSubItem( $pageId,
+ self::getInfo( $oldie, $prop, $result ) );
+ if ( !$fit ) {
+ if ( count( $pageIds[NS_IMAGE] ) == 1 ) {
+ $this->setContinueEnumParameter( 'start',
+ wfTimestamp( TS_ISO_8601, $oldie->getTimestamp() ) );
+ } else {
+ $this->setContinueEnumParameter( 'continue',
+ $this->getContinueStr( $oldie ) );
+ }
+ break;
+ }
+ }
+ if ( !$fit ) {
+ break;
}
+ $skip = false;
+ }
- $this->getResult()->addValue(array(
- 'query', 'pages', intval($pageId)),
- 'imagerepository', $repository
- );
- if (!empty($data))
- $this->addPageSubItems($pageId, $data);
+ $data = $this->getResultData();
+ foreach ( $data['query']['pages'] as $pageid => $arr ) {
+ if ( !isset( $arr['imagerepository'] ) ) {
+ $result->addValue(
+ array( 'query', 'pages', $pageid ),
+ 'imagerepository', ''
+ );
+ }
+ // The above can't fail because it doesn't increase the result size
}
}
}
/**
* Get result information for an image revision
- * @param File f The image
- * @return array Result array
+ *
+ * @param $file File object
+ * @param $prop Array of properties to get (in the keys)
+ * @param $result ApiResult object
+ * @param $scale Array containing 'width' and 'height' items, or null
+ * @return Array: result array
*/
- protected function getInfo($f) {
+ static function getInfo( $file, $prop, $result, $scale = null ) {
$vals = array();
- if($this->fld_timestamp)
- $vals['timestamp'] = wfTimestamp(TS_ISO_8601, $f->getTimestamp());
- if($this->fld_user) {
- $vals['user'] = $f->getUser();
- if(!$f->getUser('id'))
+ if ( isset( $prop['timestamp'] ) ) {
+ $vals['timestamp'] = wfTimestamp( TS_ISO_8601, $file->getTimestamp() );
+ }
+ if ( isset( $prop['user'] ) ) {
+ $vals['user'] = $file->getUser();
+ if ( !$file->getUser( 'id' ) ) {
$vals['anon'] = '';
+ }
}
- if($this->fld_size) {
- $vals['size'] = intval($f->getSize());
- $vals['width'] = intval($f->getWidth());
- $vals['height'] = intval($f->getHeight());
+ if ( isset( $prop['size'] ) || isset( $prop['dimensions'] ) ) {
+ $vals['size'] = intval( $file->getSize() );
+ $vals['width'] = intval( $file->getWidth() );
+ $vals['height'] = intval( $file->getHeight() );
}
- if($this->fld_url) {
- if($this->scale && !$f->isOld()) {
- $thumb = $f->getThumbnail($this->urlwidth, $this->urlheight);
- if($thumb)
- {
- $vals['thumburl'] = wfExpandUrl( $thumb->getURL() );
- $vals['thumbwidth'] = $thumb->getWidth();
- $vals['thumbheight'] = $thumb->getHeight();
+ if ( isset( $prop['url'] ) ) {
+ if ( !is_null( $scale ) && !$file->isOld() ) {
+ $mto = $file->transform( array( 'width' => $scale['width'], 'height' => $scale['height'] ) );
+ if ( $mto && !$mto->isError() ) {
+ $vals['thumburl'] = wfExpandUrl( $mto->getUrl() );
+ $vals['thumbwidth'] = intval( $mto->getWidth() );
+ $vals['thumbheight'] = intval( $mto->getHeight() );
}
}
- $vals['url'] = wfExpandUrl( $f->getURL() );
+ $vals['url'] = $file->getFullURL();
+ $vals['descriptionurl'] = wfExpandUrl( $file->getDescriptionUrl() );
+ }
+ if ( isset( $prop['comment'] ) ) {
+ $vals['comment'] = $file->getDescription();
+ }
+ if ( isset( $prop['sha1'] ) ) {
+ $vals['sha1'] = wfBaseConvert( $file->getSha1(), 36, 16, 40 );
}
- if($this->fld_comment)
- $vals['comment'] = $f->getDescription();
- if($this->fld_sha1)
- $vals['sha1'] = wfBaseConvert($f->getSha1(), 36, 16, 40);
- if($this->fld_metadata) {
- $metadata = unserialize($f->getMetadata());
- $vals['metadata'] = $metadata ? $metadata : null;
- $this->getResult()->setIndexedTagName_recursive($vals['metadata'], 'meta');
+ if ( isset( $prop['metadata'] ) ) {
+ $metadata = $file->getMetadata();
+ $vals['metadata'] = $metadata ? self::processMetaData( unserialize( $metadata ), $result ) : null;
+ }
+ if ( isset( $prop['mime'] ) ) {
+ $vals['mime'] = $file->getMimeType();
+ }
+
+ if ( isset( $prop['archivename'] ) && $file->isOld() ) {
+ $vals['archivename'] = $file->getArchiveName();
+ }
+
+ if ( isset( $prop['bitdepth'] ) ) {
+ $vals['bitdepth'] = $file->getBitDepth();
}
- if($this->fld_archivename && $f->isOld())
- $vals['archivename'] = $f->getArchiveName();
return $vals;
}
+ public static function processMetaData( $metadata, $result ) {
+ $retval = array();
+ if ( is_array( $metadata ) ) {
+ foreach ( $metadata as $key => $value ) {
+ $r = array( 'name' => $key );
+ if ( is_array( $value ) ) {
+ $r['value'] = self::processMetaData( $value, $result );
+ } else {
+ $r['value'] = $value;
+ }
+ $retval[] = $r;
+ }
+ }
+ $result->setIndexedTagName( $retval, 'metadata' );
+ return $retval;
+ }
+
+ private function getContinueStr( $img ) {
+ return $img->getOriginalTitle()->getText() .
+ '|' . $img->getTimestamp();
+ }
+
public function getAllowedParams() {
- return array (
- 'prop' => array (
- ApiBase :: PARAM_ISMULTI => true,
- ApiBase :: PARAM_DFLT => 'timestamp|user',
- ApiBase :: PARAM_TYPE => array (
- 'timestamp',
- 'user',
- 'comment',
- 'url',
- 'size',
- 'sha1',
- 'metadata',
- 'archivename'
- )
+ return array(
+ 'prop' => array(
+ ApiBase::PARAM_ISMULTI => true,
+ ApiBase::PARAM_DFLT => 'timestamp|user',
+ ApiBase::PARAM_TYPE => self::getPropertyNames()
),
'limit' => array(
- ApiBase :: PARAM_TYPE => 'limit',
- ApiBase :: PARAM_DFLT => 1,
- ApiBase :: PARAM_MIN => 1,
- ApiBase :: PARAM_MAX => ApiBase :: LIMIT_BIG1,
- ApiBase :: PARAM_MAX2 => ApiBase :: LIMIT_BIG2
+ ApiBase::PARAM_TYPE => 'limit',
+ ApiBase::PARAM_DFLT => 1,
+ ApiBase::PARAM_MIN => 1,
+ ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
+ ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
),
'start' => array(
- ApiBase :: PARAM_TYPE => 'timestamp'
+ ApiBase::PARAM_TYPE => 'timestamp'
),
'end' => array(
- ApiBase :: PARAM_TYPE => 'timestamp'
+ ApiBase::PARAM_TYPE => 'timestamp'
),
'urlwidth' => array(
- ApiBase :: PARAM_TYPE => 'integer',
- ApiBase :: PARAM_DFLT => -1
+ ApiBase::PARAM_TYPE => 'integer',
+ ApiBase::PARAM_DFLT => -1
),
'urlheight' => array(
- ApiBase :: PARAM_TYPE => 'integer',
- ApiBase :: PARAM_DFLT => -1
- )
+ ApiBase::PARAM_TYPE => 'integer',
+ ApiBase::PARAM_DFLT => -1
+ ),
+ 'continue' => null,
+ );
+ }
+
+ /**
+ * Returns all possible parameters to iiprop
+ */
+ public static function getPropertyNames() {
+ return array(
+ 'timestamp',
+ 'user',
+ 'comment',
+ 'url',
+ 'size',
+ 'dimensions', // For backwards compatibility with Allimages
+ 'sha1',
+ 'mime',
+ 'metadata',
+ 'archivename',
+ 'bitdepth',
);
}
public function getParamDescription() {
- return array (
+ return array(
'prop' => 'What image information to get.',
'limit' => 'How many image revisions to return',
'start' => 'Timestamp to start listing from',
'end' => 'Timestamp to stop listing at',
- 'urlwidth' => 'If iiprop=url is set, a URL to an image scaled to this width will be returned. Only the current version of the image can be scaled.',
+ 'urlwidth' => array( 'If iiprop=url is set, a URL to an image scaled to this width will be returned.',
+ 'Only the current version of the image can be scaled.' ),
'urlheight' => 'Similar to iiurlwidth. Cannot be used without iiurlwidth',
+ 'continue' => 'When more results are available, use this to continue',
);
}
public function getDescription() {
- return array (
+ return array(
'Returns image information and upload history'
);
}
+ public function getPossibleErrors() {
+ return array_merge( parent::getPossibleErrors(), array(
+ array( 'code' => 'iiurlwidth', 'info' => 'iiurlheight cannot be used without iiurlwidth' ),
+ ) );
+ }
+
protected function getExamples() {
- return array (
- 'api.php?action=query&titles=Image:Albert%20Einstein%20Head.jpg&prop=imageinfo',
- 'api.php?action=query&titles=Image:Test.jpg&prop=imageinfo&iilimit=50&iiend=20071231235959&iiprop=timestamp|user|url',
+ return array(
+ 'api.php?action=query&titles=File:Albert%20Einstein%20Head.jpg&prop=imageinfo',
+ 'api.php?action=query&titles=File:Test.jpg&prop=imageinfo&iilimit=50&iiend=20071231235959&iiprop=timestamp|user|url',
);
}