08d2d4514952398b21fe2d95a9f6f80bb5e7a78b
4 * A foreign repository with a remote MediaWiki with an API thingy
5 * Very hacky and inefficient
6 * do not use except for testing :D
10 * $wgForeignFileRepos[] = array(
11 * 'class' => 'ForeignAPIRepo',
13 * 'apibase' => 'http://en.wikipedia.org/w/api.php',
14 * 'fetchDescription' => true, // Optional
15 * 'descriptionCacheExpiry' => 3600,
20 class ForeignAPIRepo
extends FileRepo
{
21 var $fileFactory = array( 'ForeignAPIFile', 'newFromTitle' );
22 var $apiThumbCacheExpiry = 0;
23 protected $mQueryCache = array();
25 function __construct( $info ) {
26 parent
::__construct( $info );
27 $this->mApiBase
= $info['apibase']; // http://commons.wikimedia.org/w/api.php
28 if( !$this->scriptDirUrl
) {
29 // hack for description fetches
30 $this->scriptDirUrl
= dirname( $this->mApiBase
);
37 function storeBatch( $triplets, $flags = 0 ) {
40 function storeTemp( $originalName, $srcPath ) {
43 function publishBatch( $triplets, $flags = 0 ) {
46 function deleteBatch( $sourceDestPairs ) {
49 function getFileProps( $virtualUrl ) {
53 protected function queryImage( $query ) {
54 $data = $this->fetchImageQuery( $query );
56 if( isset( $data['query']['pages'] ) ) {
57 foreach( $data['query']['pages'] as $pageid => $info ) {
58 if( isset( $info['imageinfo'][0] ) ) {
59 return $info['imageinfo'][0];
66 protected function fetchImageQuery( $query ) {
69 $url = $this->mApiBase
.
75 'action' => 'query' ) ) );
77 if( !isset( $this->mQueryCache
[$url] ) ) {
78 $key = wfMemcKey( 'ForeignAPIRepo', 'Metadata', md5( $url ) );
79 $data = $wgMemc->get( $key );
81 $data = Http
::get( $url );
82 $wgMemc->set( $key, $data, 3600 );
85 if( count( $this->mQueryCache
) > 100 ) {
86 // Keep the cache from growing infinitely
87 $this->mQueryCache
= array();
89 $this->mQueryCache
[$url] = $data;
91 return json_decode( $this->mQueryCache
[$url], true );
94 function getImageInfo( $title, $time = false ) {
95 return $this->queryImage( array(
96 'titles' => 'Image:' . $title->getText(),
97 'iiprop' => 'timestamp|user|comment|url|size|sha1|metadata|mime',
98 'prop' => 'imageinfo' ) );
101 function findBySha1( $hash ) {
102 $results = $this->fetchImageQuery( array(
103 'aisha1base36' => $hash,
104 'aiprop' => 'timestamp|user|comment|url|size|sha1|metadata|mime',
105 'list' => 'allimages', ) );
107 foreach ( $results['query']['allimages'] as $img ) {
108 $ret[] = new ForeignAPIFile( Title
::makeTitle( NS_IMAGE
, $img['name'] ), $this, $img );
115 function getThumbUrl( $name, $width=-1, $height=-1 ) {
116 $info = $this->queryImage( array(
117 'titles' => 'Image:' . $name,
119 'iiurlwidth' => $width,
120 'iiurlheight' => $height ) );
122 wfDebug( __METHOD__
. " got remote thumb " . $info['thumburl'] . "\n" );
123 return $info['thumburl'];
129 function getThumbUrlFromCache( $name, $width, $height ) {
130 global $wgMemc, $wgUploadPath, $wgServer, $wgUploadDirectory;
132 if ( !$this->canCacheThumbs() ) {
133 return $this->getThumbUrl( $name, $width, $height );
136 $key = wfMemcKey( 'ForeignAPIRepo', 'ThumbUrl', $name );
137 if ( $thumbUrl = $wgMemc->get($key) ) {
138 wfDebug("Got thumb from local cache. $thumbUrl \n");
142 $foreignUrl = $this->getThumbUrl( $name, $width, $height );
144 // We need the same filename as the remote one :)
145 $fileName = ltrim( substr( $foreignUrl, strrpos( $foreignUrl, '/' ) ), '/' );
146 $path = 'thumb/' . $this->getHashPath( $name ) . $name . "/";
147 if ( !is_dir($wgUploadDirectory . '/' . $path) ) {
148 wfMkdirParents($wgUploadDirectory . '/' . $path);
151 $localUrl = $wgServer . $wgUploadPath . '/' . $path . $fileName;
152 $thumb = Http
::get( $foreignUrl );
153 # FIXME: Delete old thumbs that aren't being used. Maintenance script?
154 file_put_contents($wgUploadDirectory . '/' . $path . $fileName, $thumb );
155 $wgMemc->set( $key, $localUrl, $this->apiThumbCacheExpiry
);
156 wfDebug( __METHOD__
. " got local thumb $localUrl, saving to cache \n" );
162 * Are we locally caching the thumbnails?
165 public function canCacheThumbs() {
166 return ( $this->apiThumbCacheExpiry
> 0 );