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-rw-r--r--includes/filerepo/LocalFile.php1573
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diff --git a/includes/filerepo/LocalFile.php b/includes/filerepo/LocalFile.php
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+<?php
+/**
+ */
+
+/**
+ * Bump this number when serialized cache records may be incompatible.
+ */
+define( 'MW_FILE_VERSION', 4 );
+
+/**
+ * Class to represent a local file in the wiki's own database
+ *
+ * Provides methods to retrieve paths (physical, logical, URL),
+ * to generate image thumbnails or for uploading.
+ *
+ * Note that only the repo object knows what its file class is called. You should
+ * never name a file class explictly outside of the repo class. Instead use the
+ * repo's factory functions to generate file objects, for example:
+ *
+ * RepoGroup::singleton()->getLocalRepo()->newFile($title);
+ *
+ * The convenience functions wfLocalFile() and wfFindFile() should be sufficient
+ * in most cases.
+ *
+ * @addtogroup FileRepo
+ */
+class LocalFile extends File
+{
+ /**#@+
+ * @private
+ */
+ var $fileExists, # does the file file exist on disk? (loadFromXxx)
+ $historyLine, # Number of line to return by nextHistoryLine() (constructor)
+ $historyRes, # result of the query for the file's history (nextHistoryLine)
+ $width, # \
+ $height, # |
+ $bits, # --- returned by getimagesize (loadFromXxx)
+ $attr, # /
+ $media_type, # MEDIATYPE_xxx (bitmap, drawing, audio...)
+ $mime, # MIME type, determined by MimeMagic::guessMimeType
+ $major_mime, # Major mime type
+ $minor_mime, # Minor mime type
+ $size, # Size in bytes (loadFromXxx)
+ $metadata, # Handler-specific metadata
+ $timestamp, # Upload timestamp
+ $sha1, # SHA-1 base 36 content hash
+ $dataLoaded, # Whether or not all this has been loaded from the database (loadFromXxx)
+ $upgraded, # Whether the row was upgraded on load
+ $locked; # True if the image row is locked
+
+ /**#@-*/
+
+ /**
+ * Create a LocalFile from a title
+ * Do not call this except from inside a repo class.
+ */
+ static function newFromTitle( $title, $repo ) {
+ return new self( $title, $repo );
+ }
+
+ /**
+ * Create a LocalFile from a title
+ * Do not call this except from inside a repo class.
+ */
+ static function newFromRow( $row, $repo ) {
+ $title = Title::makeTitle( NS_IMAGE, $row->img_name );
+ $file = new self( $title, $repo );
+ $file->loadFromRow( $row );
+ return $file;
+ }
+
+ /**
+ * Constructor.
+ * Do not call this except from inside a repo class.
+ */
+ function __construct( $title, $repo ) {
+ if( !is_object( $title ) ) {
+ throw new MWException( __CLASS__.' constructor given bogus title.' );
+ }
+ parent::__construct( $title, $repo );
+ $this->metadata = '';
+ $this->historyLine = 0;
+ $this->historyRes = null;
+ $this->dataLoaded = false;
+ }
+
+ /**
+ * Get the memcached key
+ */
+ function getCacheKey() {
+ $hashedName = md5($this->getName());
+ return wfMemcKey( 'file', $hashedName );
+ }
+
+ /**
+ * Try to load file metadata from memcached. Returns true on success.
+ */
+ function loadFromCache() {
+ global $wgMemc;
+ wfProfileIn( __METHOD__ );
+ $this->dataLoaded = false;
+ $key = $this->getCacheKey();
+ if ( !$key ) {
+ return false;
+ }
+ $cachedValues = $wgMemc->get( $key );
+
+ // Check if the key existed and belongs to this version of MediaWiki
+ if ( isset($cachedValues['version']) && ( $cachedValues['version'] == MW_FILE_VERSION ) ) {
+ wfDebug( "Pulling file metadata from cache key $key\n" );
+ $this->fileExists = $cachedValues['fileExists'];
+ if ( $this->fileExists ) {
+ unset( $cachedValues['version'] );
+ unset( $cachedValues['fileExists'] );
+ foreach ( $cachedValues as $name => $value ) {
+ $this->$name = $value;
+ }
+ }
+ }
+ if ( $this->dataLoaded ) {
+ wfIncrStats( 'image_cache_hit' );
+ } else {
+ wfIncrStats( 'image_cache_miss' );
+ }
+
+ wfProfileOut( __METHOD__ );
+ return $this->dataLoaded;
+ }
+
+ /**
+ * Save the file metadata to memcached
+ */
+ function saveToCache() {
+ global $wgMemc;
+ $this->load();
+ $key = $this->getCacheKey();
+ if ( !$key ) {
+ return;
+ }
+ $fields = $this->getCacheFields( '' );
+ $cache = array( 'version' => MW_FILE_VERSION );
+ $cache['fileExists'] = $this->fileExists;
+ if ( $this->fileExists ) {
+ foreach ( $fields as $field ) {
+ $cache[$field] = $this->$field;
+ }
+ }
+
+ $wgMemc->set( $key, $cache, 60 * 60 * 24 * 7 ); // A week
+ }
+
+ /**
+ * Load metadata from the file itself
+ */
+ function loadFromFile() {
+ $this->setProps( self::getPropsFromPath( $this->getPath() ) );
+ }
+
+ function getCacheFields( $prefix = 'img_' ) {
+ static $fields = array( 'size', 'width', 'height', 'bits', 'media_type',
+ 'major_mime', 'minor_mime', 'metadata', 'timestamp', 'sha1' );
+ static $results = array();
+ if ( $prefix == '' ) {
+ return $fields;
+ }
+ if ( !isset( $results[$prefix] ) ) {
+ $prefixedFields = array();
+ foreach ( $fields as $field ) {
+ $prefixedFields[] = $prefix . $field;
+ }
+ $results[$prefix] = $prefixedFields;
+ }
+ return $results[$prefix];
+ }
+
+ /**
+ * Load file metadata from the DB
+ */
+ function loadFromDB() {
+ # Polymorphic function name to distinguish foreign and local fetches
+ $fname = get_class( $this ) . '::' . __FUNCTION__;
+ wfProfileIn( $fname );
+
+ # Unconditionally set loaded=true, we don't want the accessors constantly rechecking
+ $this->dataLoaded = true;
+
+ $dbr = $this->repo->getSlaveDB();
+
+ $row = $dbr->selectRow( 'image', $this->getCacheFields( 'img_' ),
+ array( 'img_name' => $this->getName() ), $fname );
+ if ( $row ) {
+ $this->loadFromRow( $row );
+ } else {
+ $this->fileExists = false;
+ }
+
+ wfProfileOut( $fname );
+ }
+
+ /**
+ * Decode a row from the database (either object or array) to an array
+ * with timestamps and MIME types decoded, and the field prefix removed.
+ */
+ function decodeRow( $row, $prefix = 'img_' ) {
+ $array = (array)$row;
+ $prefixLength = strlen( $prefix );
+ // Sanity check prefix once
+ if ( substr( key( $array ), 0, $prefixLength ) !== $prefix ) {
+ throw new MWException( __METHOD__. ': incorrect $prefix parameter' );
+ }
+ $decoded = array();
+ foreach ( $array as $name => $value ) {
+ $decoded[substr( $name, $prefixLength )] = $value;
+ }
+ $decoded['timestamp'] = wfTimestamp( TS_MW, $decoded['timestamp'] );
+ if ( empty( $decoded['major_mime'] ) ) {
+ $decoded['mime'] = "unknown/unknown";
+ } else {
+ if (!$decoded['minor_mime']) {
+ $decoded['minor_mime'] = "unknown";
+ }
+ $decoded['mime'] = $decoded['major_mime'].'/'.$decoded['minor_mime'];
+ }
+ # Trim zero padding from char/binary field
+ $decoded['sha1'] = rtrim( $decoded['sha1'], "\0" );
+ return $decoded;
+ }
+
+ /*
+ * Load file metadata from a DB result row
+ */
+ function loadFromRow( $row, $prefix = 'img_' ) {
+ $this->dataLoaded = true;
+ $array = $this->decodeRow( $row, $prefix );
+ foreach ( $array as $name => $value ) {
+ $this->$name = $value;
+ }
+ $this->fileExists = true;
+ // Check for rows from a previous schema, quietly upgrade them
+ $this->maybeUpgradeRow();
+ }
+
+ /**
+ * Load file metadata from cache or DB, unless already loaded
+ */
+ function load() {
+ if ( !$this->dataLoaded ) {
+ if ( !$this->loadFromCache() ) {
+ $this->loadFromDB();
+ $this->saveToCache();
+ }
+ $this->dataLoaded = true;
+ }
+ }
+
+ /**
+ * Upgrade a row if it needs it
+ */
+ function maybeUpgradeRow() {
+ if ( wfReadOnly() ) {
+ return;
+ }
+ if ( is_null($this->media_type) ||
+ $this->mime == 'image/svg'
+ ) {
+ $this->upgradeRow();
+ $this->upgraded = true;
+ } else {
+ $handler = $this->getHandler();
+ if ( $handler && !$handler->isMetadataValid( $this, $this->metadata ) ) {
+ $this->upgradeRow();
+ $this->upgraded = true;
+ }
+ }
+ }
+
+ function getUpgraded() {
+ return $this->upgraded;
+ }
+
+ /**
+ * Fix assorted version-related problems with the image row by reloading it from the file
+ */
+ function upgradeRow() {
+ wfProfileIn( __METHOD__ );
+
+ $this->loadFromFile();
+
+ # Don't destroy file info of missing files
+ if ( !$this->fileExists ) {
+ wfDebug( __METHOD__.": file does not exist, aborting\n" );
+ return;
+ }
+ $dbw = $this->repo->getMasterDB();
+ list( $major, $minor ) = self::splitMime( $this->mime );
+
+ wfDebug(__METHOD__.': upgrading '.$this->getName()." to the current schema\n");
+
+ $dbw->update( 'image',
+ array(
+ 'img_width' => $this->width,
+ 'img_height' => $this->height,
+ 'img_bits' => $this->bits,
+ 'img_media_type' => $this->media_type,
+ 'img_major_mime' => $major,
+ 'img_minor_mime' => $minor,
+ 'img_metadata' => $this->metadata,
+ 'img_sha1' => $this->sha1,
+ ), array( 'img_name' => $this->getName() ),
+ __METHOD__
+ );
+ $this->saveToCache();
+ wfProfileOut( __METHOD__ );
+ }
+
+ function setProps( $info ) {
+ $this->dataLoaded = true;
+ $fields = $this->getCacheFields( '' );
+ $fields[] = 'fileExists';
+ foreach ( $fields as $field ) {
+ if ( isset( $info[$field] ) ) {
+ $this->$field = $info[$field];
+ }
+ }
+ // Fix up mime fields
+ if ( isset( $info['major_mime'] ) ) {
+ $this->mime = "{$info['major_mime']}/{$info['minor_mime']}";
+ } elseif ( isset( $info['mime'] ) ) {
+ list( $this->major_mime, $this->minor_mime ) = self::splitMime( $this->mime );
+ }
+ }
+
+ /** splitMime inherited */
+ /** getName inherited */
+ /** getTitle inherited */
+ /** getURL inherited */
+ /** getViewURL inherited */
+ /** getPath inherited */
+
+ /**
+ * Return the width of the image
+ *
+ * Returns false on error
+ * @public
+ */
+ function getWidth( $page = 1 ) {
+ $this->load();
+ if ( $this->isMultipage() ) {
+ $dim = $this->getHandler()->getPageDimensions( $this, $page );
+ if ( $dim ) {
+ return $dim['width'];
+ } else {
+ return false;
+ }
+ } else {
+ return $this->width;
+ }
+ }
+
+ /**
+ * Return the height of the image
+ *
+ * Returns false on error
+ * @public
+ */
+ function getHeight( $page = 1 ) {
+ $this->load();
+ if ( $this->isMultipage() ) {
+ $dim = $this->getHandler()->getPageDimensions( $this, $page );
+ if ( $dim ) {
+ return $dim['height'];
+ } else {
+ return false;
+ }
+ } else {
+ return $this->height;
+ }
+ }
+
+ /**
+ * Get handler-specific metadata
+ */
+ function getMetadata() {
+ $this->load();
+ return $this->metadata;
+ }
+
+ /**
+ * Return the size of the image file, in bytes
+ * @public
+ */
+ function getSize() {
+ $this->load();
+ return $this->size;
+ }
+
+ /**
+ * Returns the mime type of the file.
+ */
+ function getMimeType() {
+ $this->load();
+ return $this->mime;
+ }
+
+ /**
+ * Return the type of the media in the file.
+ * Use the value returned by this function with the MEDIATYPE_xxx constants.
+ */
+ function getMediaType() {
+ $this->load();
+ return $this->media_type;
+ }
+
+ /** canRender inherited */
+ /** mustRender inherited */
+ /** allowInlineDisplay inherited */
+ /** isSafeFile inherited */
+ /** isTrustedFile inherited */
+
+ /**
+ * Returns true if the file file exists on disk.
+ * @return boolean Whether file file exist on disk.
+ * @public
+ */
+ function exists() {
+ $this->load();
+ return $this->fileExists;
+ }
+
+ /** getTransformScript inherited */
+ /** getUnscaledThumb inherited */
+ /** thumbName inherited */
+ /** createThumb inherited */
+ /** getThumbnail inherited */
+ /** transform inherited */
+
+ /**
+ * Fix thumbnail files from 1.4 or before, with extreme prejudice
+ */
+ function migrateThumbFile( $thumbName ) {
+ $thumbDir = $this->getThumbPath();
+ $thumbPath = "$thumbDir/$thumbName";
+ if ( is_dir( $thumbPath ) ) {
+ // Directory where file should be
+ // This happened occasionally due to broken migration code in 1.5
+ // Rename to broken-*
+ for ( $i = 0; $i < 100 ; $i++ ) {
+ $broken = $this->repo->getZonePath('public') . "/broken-$i-$thumbName";
+ if ( !file_exists( $broken ) ) {
+ rename( $thumbPath, $broken );
+ break;
+ }
+ }
+ // Doesn't exist anymore
+ clearstatcache();
+ }
+ if ( is_file( $thumbDir ) ) {
+ // File where directory should be
+ unlink( $thumbDir );
+ // Doesn't exist anymore
+ clearstatcache();
+ }
+ }
+
+ /** getHandler inherited */
+ /** iconThumb inherited */
+ /** getLastError inherited */
+
+ /**
+ * Get all thumbnail names previously generated for this file
+ */
+ function getThumbnails() {
+ if ( $this->isHashed() ) {
+ $this->load();
+ $files = array();
+ $dir = $this->getThumbPath();
+
+ if ( is_dir( $dir ) ) {
+ $handle = opendir( $dir );
+
+ if ( $handle ) {
+ while ( false !== ( $file = readdir($handle) ) ) {
+ if ( $file{0} != '.' ) {
+ $files[] = $file;
+ }
+ }
+ closedir( $handle );
+ }
+ }
+ } else {
+ $files = array();
+ }
+
+ return $files;
+ }
+
+ /**
+ * Refresh metadata in memcached, but don't touch thumbnails or squid
+ */
+ function purgeMetadataCache() {
+ $this->loadFromDB();
+ $this->saveToCache();
+ $this->purgeHistory();
+ }
+
+ /**
+ * Purge the shared history (OldLocalFile) cache
+ */
+ function purgeHistory() {
+ global $wgMemc;
+ $hashedName = md5($this->getName());
+ $oldKey = wfMemcKey( 'oldfile', $hashedName );
+ $wgMemc->delete( $oldKey );
+ }
+
+ /**
+ * Delete all previously generated thumbnails, refresh metadata in memcached and purge the squid
+ */
+ function purgeCache() {
+ // Refresh metadata cache
+ $this->purgeMetadataCache();
+
+ // Delete thumbnails
+ $this->purgeThumbnails();
+
+ // Purge squid cache for this file
+ wfPurgeSquidServers( array( $this->getURL() ) );
+ }
+
+ /**
+ * Delete cached transformed files
+ */
+ function purgeThumbnails() {
+ global $wgUseSquid;
+ // Delete thumbnails
+ $files = $this->getThumbnails();
+ $dir = $this->getThumbPath();
+ $urls = array();
+ foreach ( $files as $file ) {
+ # Check that the base file name is part of the thumb name
+ # This is a basic sanity check to avoid erasing unrelated directories
+ if ( strpos( $file, $this->getName() ) !== false ) {
+ $url = $this->getThumbUrl( $file );
+ $urls[] = $url;
+ @unlink( "$dir/$file" );
+ }
+ }
+
+ // Purge the squid
+ if ( $wgUseSquid ) {
+ wfPurgeSquidServers( $urls );
+ }
+ }
+
+ /** purgeDescription inherited */
+ /** purgeEverything inherited */
+
+ /**
+ * Return the history of this file, line by line.
+ * starts with current version, then old versions.
+ * uses $this->historyLine to check which line to return:
+ * 0 return line for current version
+ * 1 query for old versions, return first one
+ * 2, ... return next old version from above query
+ *
+ * @public
+ */
+ function nextHistoryLine() {
+ $dbr = $this->repo->getSlaveDB();
+
+ if ( $this->historyLine == 0 ) {// called for the first time, return line from cur
+ $this->historyRes = $dbr->select( 'image',
+ array(
+ '*',
+ "'' AS oi_archive_name"
+ ),
+ array( 'img_name' => $this->title->getDBkey() ),
+ __METHOD__
+ );
+ if ( 0 == $dbr->numRows( $this->historyRes ) ) {
+ $dbr->freeResult($this->historyRes);
+ $this->historyRes = null;
+ return FALSE;
+ }
+ } else if ( $this->historyLine == 1 ) {
+ $dbr->freeResult($this->historyRes);
+ $this->historyRes = $dbr->select( 'oldimage', '*',
+ array( 'oi_name' => $this->title->getDBkey() ),
+ __METHOD__,
+ array( 'ORDER BY' => 'oi_timestamp DESC' )
+ );
+ }
+ $this->historyLine ++;
+
+ return $dbr->fetchObject( $this->historyRes );
+ }
+
+ /**
+ * Reset the history pointer to the first element of the history
+ * @public
+ */
+ function resetHistory() {
+ $this->historyLine = 0;
+ if (!is_null($this->historyRes)) {
+ $this->repo->getSlaveDB()->freeResult($this->historyRes);
+ $this->historyRes = null;
+ }
+ }
+
+ /** getFullPath inherited */
+ /** getHashPath inherited */
+ /** getRel inherited */
+ /** getUrlRel inherited */
+ /** getArchiveRel inherited */
+ /** getThumbRel inherited */
+ /** getArchivePath inherited */
+ /** getThumbPath inherited */
+ /** getArchiveUrl inherited */
+ /** getThumbUrl inherited */
+ /** getArchiveVirtualUrl inherited */
+ /** getThumbVirtualUrl inherited */
+ /** isHashed inherited */
+
+ /**
+ * Upload a file and record it in the DB
+ * @param string $srcPath Source path or virtual URL
+ * @param string $comment Upload description
+ * @param string $pageText Text to use for the new description page, if a new description page is created
+ * @param integer $flags Flags for publish()
+ * @param array $props File properties, if known. This can be used to reduce the
+ * upload time when uploading virtual URLs for which the file info
+ * is already known
+ * @param string $timestamp Timestamp for img_timestamp, or false to use the current time
+ *
+ * @return FileRepoStatus object. On success, the value member contains the
+ * archive name, or an empty string if it was a new file.
+ */
+ function upload( $srcPath, $comment, $pageText, $flags = 0, $props = false, $timestamp = false ) {
+ $this->lock();
+ $status = $this->publish( $srcPath, $flags );
+ if ( $status->ok ) {
+ if ( !$this->recordUpload2( $status->value, $comment, $pageText, $props, $timestamp ) ) {
+ $status->fatal( 'filenotfound', $srcPath );
+ }
+ }
+ $this->unlock();
+ return $status;
+ }
+
+ /**
+ * Record a file upload in the upload log and the image table
+ * @deprecated use upload()
+ */
+ function recordUpload( $oldver, $desc, $license = '', $copyStatus = '', $source = '',
+ $watch = false, $timestamp = false )
+ {
+ $pageText = UploadForm::getInitialPageText( $desc, $license, $copyStatus, $source );
+ if ( !$this->recordUpload2( $oldver, $desc, $pageText ) ) {
+ return false;
+ }
+ if ( $watch ) {
+ global $wgUser;
+ $wgUser->addWatch( $this->getTitle() );
+ }
+ return true;
+
+ }
+
+ /**
+ * Record a file upload in the upload log and the image table
+ */
+ function recordUpload2( $oldver, $comment, $pageText, $props = false, $timestamp = false )
+ {
+ global $wgUser;
+
+ $dbw = $this->repo->getMasterDB();
+
+ if ( !$props ) {
+ $props = $this->repo->getFileProps( $this->getVirtualUrl() );
+ }
+ $this->setProps( $props );
+
+ // Delete thumbnails and refresh the metadata cache
+ $this->purgeThumbnails();
+ $this->saveToCache();
+ wfPurgeSquidServers( array( $this->getURL() ) );
+
+ // Fail now if the file isn't there
+ if ( !$this->fileExists ) {
+ wfDebug( __METHOD__.": File ".$this->getPath()." went missing!\n" );
+ return false;
+ }
+
+ $reupload = false;
+ if ( $timestamp === false ) {
+ $timestamp = $dbw->timestamp();
+ }
+
+ # Test to see if the row exists using INSERT IGNORE
+ # This avoids race conditions by locking the row until the commit, and also
+ # doesn't deadlock. SELECT FOR UPDATE causes a deadlock for every race condition.
+ $dbw->insert( 'image',
+ array(
+ 'img_name' => $this->getName(),
+ 'img_size'=> $this->size,
+ 'img_width' => intval( $this->width ),
+ 'img_height' => intval( $this->height ),
+ 'img_bits' => $this->bits,
+ 'img_media_type' => $this->media_type,
+ 'img_major_mime' => $this->major_mime,
+ 'img_minor_mime' => $this->minor_mime,
+ 'img_timestamp' => $timestamp,
+ 'img_description' => $comment,
+ 'img_user' => $wgUser->getID(),
+ 'img_user_text' => $wgUser->getName(),
+ 'img_metadata' => $this->metadata,
+ 'img_sha1' => $this->sha1
+ ),
+ __METHOD__,
+ 'IGNORE'
+ );
+
+ if( $dbw->affectedRows() == 0 ) {
+ $reupload = true;
+
+ # Collision, this is an update of a file
+ # Insert previous contents into oldimage
+ $dbw->insertSelect( 'oldimage', 'image',
+ array(
+ 'oi_name' => 'img_name',
+ 'oi_archive_name' => $dbw->addQuotes( $oldver ),
+ 'oi_size' => 'img_size',
+ 'oi_width' => 'img_width',
+ 'oi_height' => 'img_height',
+ 'oi_bits' => 'img_bits',
+ 'oi_timestamp' => 'img_timestamp',
+ 'oi_description' => 'img_description',
+ 'oi_user' => 'img_user',
+ 'oi_user_text' => 'img_user_text',
+ 'oi_metadata' => 'img_metadata',
+ 'oi_media_type' => 'img_media_type',
+ 'oi_major_mime' => 'img_major_mime',
+ 'oi_minor_mime' => 'img_minor_mime',
+ 'oi_sha1' => 'img_sha1',
+ ), array( 'img_name' => $this->getName() ), __METHOD__
+ );
+
+ # Update the current image row
+ $dbw->update( 'image',
+ array( /* SET */
+ 'img_size' => $this->size,
+ 'img_width' => intval( $this->width ),
+ 'img_height' => intval( $this->height ),
+ 'img_bits' => $this->bits,
+ 'img_media_type' => $this->media_type,
+ 'img_major_mime' => $this->major_mime,
+ 'img_minor_mime' => $this->minor_mime,
+ 'img_timestamp' => $timestamp,
+ 'img_description' => $comment,
+ 'img_user' => $wgUser->getID(),
+ 'img_user_text' => $wgUser->getName(),
+ 'img_metadata' => $this->metadata,
+ 'img_sha1' => $this->sha1
+ ), array( /* WHERE */
+ 'img_name' => $this->getName()
+ ), __METHOD__
+ );
+ } else {
+ # This is a new file
+ # Update the image count
+ $site_stats = $dbw->tableName( 'site_stats' );
+ $dbw->query( "UPDATE $site_stats SET ss_images=ss_images+1", __METHOD__ );
+ }
+
+ $descTitle = $this->getTitle();
+ $article = new Article( $descTitle );
+
+ # Add the log entry
+ $log = new LogPage( 'upload' );
+ $action = $reupload ? 'overwrite' : 'upload';
+ $log->addEntry( $action, $descTitle, $comment );
+
+ if( $descTitle->exists() ) {
+ # Create a null revision
+ $nullRevision = Revision::newNullRevision( $dbw, $descTitle->getArticleId(), $log->getRcComment(), false );
+ $nullRevision->insertOn( $dbw );
+ $article->updateRevisionOn( $dbw, $nullRevision );
+
+ # Invalidate the cache for the description page
+ $descTitle->invalidateCache();
+ $descTitle->purgeSquid();
+ } else {
+ // New file; create the description page.
+ // There's already a log entry, so don't make a second RC entry
+ $article->doEdit( $pageText, $comment, EDIT_NEW | EDIT_SUPPRESS_RC );
+ }
+
+ # Hooks, hooks, the magic of hooks...
+ wfRunHooks( 'FileUpload', array( $this ) );
+
+ # Commit the transaction now, in case something goes wrong later
+ # The most important thing is that files don't get lost, especially archives
+ $dbw->immediateCommit();
+
+ # Invalidate cache for all pages using this file
+ $update = new HTMLCacheUpdate( $this->getTitle(), 'imagelinks' );
+ $update->doUpdate();
+
+ return true;
+ }
+
+ /**
+ * Move or copy a file to its public location. If a file exists at the
+ * destination, move it to an archive. Returns the archive name on success
+ * or an empty string if it was a new file, and a wikitext-formatted
+ * WikiError object on failure.
+ *
+ * The archive name should be passed through to recordUpload for database
+ * registration.
+ *
+ * @param string $sourcePath Local filesystem path to the source image
+ * @param integer $flags A bitwise combination of:
+ * File::DELETE_SOURCE Delete the source file, i.e. move
+ * rather than copy
+ * @return FileRepoStatus object. On success, the value member contains the
+ * archive name, or an empty string if it was a new file.
+ */
+ function publish( $srcPath, $flags = 0 ) {
+ $this->lock();
+ $dstRel = $this->getRel();
+ $archiveName = gmdate( 'YmdHis' ) . '!'. $this->getName();
+ $archiveRel = 'archive/' . $this->getHashPath() . $archiveName;
+ $flags = $flags & File::DELETE_SOURCE ? LocalRepo::DELETE_SOURCE : 0;
+ $status = $this->repo->publish( $srcPath, $dstRel, $archiveRel, $flags );
+ if ( $status->value == 'new' ) {
+ $status->value = '';
+ } else {
+ $status->value = $archiveName;
+ }
+ $this->unlock();
+ return $status;
+ }
+
+ /** getLinksTo inherited */
+ /** getExifData inherited */
+ /** isLocal inherited */
+ /** wasDeleted inherited */
+
+ /**
+ * Delete all versions of the file.
+ *
+ * Moves the files into an archive directory (or deletes them)
+ * and removes the database rows.
+ *
+ * Cache purging is done; logging is caller's responsibility.
+ *
+ * @param $reason
+ * @return FileRepoStatus object.
+ */
+ function delete( $reason ) {
+ $this->lock();
+ $batch = new LocalFileDeleteBatch( $this, $reason );
+ $batch->addCurrent();
+
+ # Get old version relative paths
+ $dbw = $this->repo->getMasterDB();
+ $result = $dbw->select( 'oldimage',
+ array( 'oi_archive_name' ),
+ array( 'oi_name' => $this->getName() ) );
+ while ( $row = $dbw->fetchObject( $result ) ) {
+ $batch->addOld( $row->oi_archive_name );
+ }
+ $status = $batch->execute();
+
+ if ( $status->ok ) {
+ // Update site_stats
+ $site_stats = $dbw->tableName( 'site_stats' );
+ $dbw->query( "UPDATE $site_stats SET ss_images=ss_images-1", __METHOD__ );
+ $this->purgeEverything();
+ }
+
+ $this->unlock();
+ return $status;
+ }
+
+ /**
+ * Delete an old version of the file.
+ *
+ * Moves the file into an archive directory (or deletes it)
+ * and removes the database row.
+ *
+ * Cache purging is done; logging is caller's responsibility.
+ *
+ * @param $reason
+ * @throws MWException or FSException on database or filestore failure
+ * @return FileRepoStatus object.
+ */
+ function deleteOld( $archiveName, $reason ) {
+ $this->lock();
+ $batch = new LocalFileDeleteBatch( $this, $reason );
+ $batch->addOld( $archiveName );
+ $status = $batch->execute();
+ $this->unlock();
+ if ( $status->ok ) {
+ $this->purgeDescription();
+ $this->purgeHistory();
+ }
+ return $status;
+ }
+
+ /**
+ * Restore all or specified deleted revisions to the given file.
+ * Permissions and logging are left to the caller.
+ *
+ * May throw database exceptions on error.
+ *
+ * @param $versions set of record ids of deleted items to restore,
+ * or empty to restore all revisions.
+ * @return FileRepoStatus
+ */
+ function restore( $versions = array(), $unsuppress = false ) {
+ $batch = new LocalFileRestoreBatch( $this );
+ if ( !$versions ) {
+ $batch->addAll();
+ } else {
+ $batch->addIds( $versions );
+ }
+ $status = $batch->execute();
+ if ( !$status->ok ) {
+ return $status;
+ }
+
+ $cleanupStatus = $batch->cleanup();
+ $cleanupStatus->successCount = 0;
+ $cleanupStatus->failCount = 0;
+ $status->merge( $cleanupStatus );
+ return $status;
+ }
+
+ /** isMultipage inherited */
+ /** pageCount inherited */
+ /** scaleHeight inherited */
+ /** getImageSize inherited */
+
+ /**
+ * Get the URL of the file description page.
+ */
+ function getDescriptionUrl() {
+ return $this->title->getLocalUrl();
+ }
+
+ /**
+ * Get the HTML text of the description page
+ * This is not used by ImagePage for local files, since (among other things)
+ * it skips the parser cache.
+ */
+ function getDescriptionText() {
+ global $wgParser;
+ $revision = Revision::newFromTitle( $this->title );
+ if ( !$revision ) return false;
+ $text = $revision->getText();
+ if ( !$text ) return false;
+ $html = $wgParser->parse( $text, new ParserOptions );
+ return $html;
+ }
+
+ function getTimestamp() {
+ $this->load();
+ return $this->timestamp;
+ }
+
+ function getSha1() {
+ $this->load();
+ // Initialise now if necessary
+ if ( $this->sha1 == '' && $this->fileExists ) {
+ $this->sha1 = File::sha1Base36( $this->getPath() );
+ if ( strval( $this->sha1 ) != '' ) {
+ $dbw = $this->repo->getMasterDB();
+ $dbw->update( 'image',
+ array( 'img_sha1' => $this->sha1 ),
+ array( 'img_name' => $this->getName() ),
+ __METHOD__ );
+ $this->saveToCache();
+ }
+ }
+
+ return $this->sha1;
+ }
+
+ /**
+ * Start a transaction and lock the image for update
+ * Increments a reference counter if the lock is already held
+ * @return boolean True if the image exists, false otherwise
+ */
+ function lock() {
+ $dbw = $this->repo->getMasterDB();
+ if ( !$this->locked ) {
+ $dbw->begin();
+ $this->locked++;
+ }
+ return $dbw->selectField( 'image', '1', array( 'img_name' => $this->getName() ), __METHOD__ );
+ }
+
+ /**
+ * Decrement the lock reference count. If the reference count is reduced to zero, commits
+ * the transaction and thereby releases the image lock.
+ */
+ function unlock() {
+ if ( $this->locked ) {
+ --$this->locked;
+ if ( !$this->locked ) {
+ $dbw = $this->repo->getMasterDB();
+ $dbw->commit();
+ }
+ }
+ }
+
+ /**
+ * Roll back the DB transaction and mark the image unlocked
+ */
+ function unlockAndRollback() {
+ $this->locked = false;
+ $dbw = $this->repo->getMasterDB();
+ $dbw->rollback();
+ }
+} // LocalFile class
+
+#------------------------------------------------------------------------------
+
+/**
+ * Backwards compatibility class
+ */
+class Image extends LocalFile {
+ function __construct( $title ) {
+ $repo = RepoGroup::singleton()->getLocalRepo();
+ parent::__construct( $title, $repo );
+ }
+
+ /**
+ * Wrapper for wfFindFile(), for backwards-compatibility only
+ * Do not use in core code.
+ * @deprecated
+ */
+ static function newFromTitle( $title, $time = false ) {
+ $img = wfFindFile( $title, $time );
+ if ( !$img ) {
+ $img = wfLocalFile( $title );
+ }
+ return $img;
+ }
+
+ /**
+ * Wrapper for wfFindFile(), for backwards-compatibility only.
+ * Do not use in core code.
+ *
+ * @param string $name name of the image, used to create a title object using Title::makeTitleSafe
+ * @return image object or null if invalid title
+ * @deprecated
+ */
+ static function newFromName( $name ) {
+ $title = Title::makeTitleSafe( NS_IMAGE, $name );
+ if ( is_object( $title ) ) {
+ $img = wfFindFile( $title );
+ if ( !$img ) {
+ $img = wfLocalFile( $title );
+ }
+ return $img;
+ } else {
+ return NULL;
+ }
+ }
+
+ /**
+ * Return the URL of an image, provided its name.
+ *
+ * Backwards-compatibility for extensions.
+ * Note that fromSharedDirectory will only use the shared path for files
+ * that actually exist there now, and will return local paths otherwise.
+ *
+ * @param string $name Name of the image, without the leading "Image:"
+ * @param boolean $fromSharedDirectory Should this be in $wgSharedUploadPath?
+ * @return string URL of $name image
+ * @deprecated
+ */
+ static function imageUrl( $name, $fromSharedDirectory = false ) {
+ $image = null;
+ if( $fromSharedDirectory ) {
+ $image = wfFindFile( $name );
+ }
+ if( !$image ) {
+ $image = wfLocalFile( $name );
+ }
+ return $image->getUrl();
+ }
+}
+
+#------------------------------------------------------------------------------
+
+/**
+ * Helper class for file deletion
+ */
+class LocalFileDeleteBatch {
+ var $file, $reason, $srcRels = array(), $archiveUrls = array(), $deletionBatch;
+ var $status;
+
+ function __construct( File $file, $reason = '' ) {
+ $this->file = $file;
+ $this->reason = $reason;
+ $this->status = $file->repo->newGood();
+ }
+
+ function addCurrent() {
+ $this->srcRels['.'] = $this->file->getRel();
+ }
+
+ function addOld( $oldName ) {
+ $this->srcRels[$oldName] = $this->file->getArchiveRel( $oldName );
+ $this->archiveUrls[] = $this->file->getArchiveUrl( $oldName );
+ }
+
+ function getOldRels() {
+ if ( !isset( $this->srcRels['.'] ) ) {
+ $oldRels =& $this->srcRels;
+ $deleteCurrent = false;
+ } else {
+ $oldRels = $this->srcRels;
+ unset( $oldRels['.'] );
+ $deleteCurrent = true;
+ }
+ return array( $oldRels, $deleteCurrent );
+ }
+
+ /*protected*/ function getHashes() {
+ $hashes = array();
+ list( $oldRels, $deleteCurrent ) = $this->getOldRels();
+ if ( $deleteCurrent ) {
+ $hashes['.'] = $this->file->getSha1();
+ }
+ if ( count( $oldRels ) ) {
+ $dbw = $this->file->repo->getMasterDB();
+ $res = $dbw->select( 'oldimage', array( 'oi_archive_name', 'oi_sha1' ),
+ 'oi_archive_name IN(' . $dbw->makeList( array_keys( $oldRels ) ) . ')',
+ __METHOD__ );
+ while ( $row = $dbw->fetchObject( $res ) ) {
+ if ( rtrim( $row->oi_sha1, "\0" ) === '' ) {
+ // Get the hash from the file
+ $oldUrl = $this->file->getArchiveVirtualUrl( $row->oi_archive_name );
+ $props = $this->file->repo->getFileProps( $oldUrl );
+ if ( $props['fileExists'] ) {
+ // Upgrade the oldimage row
+ $dbw->update( 'oldimage',
+ array( 'oi_sha1' => $props['sha1'] ),
+ array( 'oi_name' => $this->file->getName(), 'oi_archive_name' => $row->oi_archive_name ),
+ __METHOD__ );
+ $hashes[$row->oi_archive_name] = $props['sha1'];
+ } else {
+ $hashes[$row->oi_archive_name] = false;
+ }
+ } else {
+ $hashes[$row->oi_archive_name] = $row->oi_sha1;
+ }
+ }
+ }
+ $missing = array_diff_key( $this->srcRels, $hashes );
+ foreach ( $missing as $name => $rel ) {
+ $this->status->error( 'filedelete-old-unregistered', $name );
+ }
+ foreach ( $hashes as $name => $hash ) {
+ if ( !$hash ) {
+ $this->status->error( 'filedelete-missing', $this->srcRels[$name] );
+ unset( $hashes[$name] );
+ }
+ }
+
+ return $hashes;
+ }
+
+ function doDBInserts() {
+ global $wgUser;
+ $dbw = $this->file->repo->getMasterDB();
+ $encTimestamp = $dbw->addQuotes( $dbw->timestamp() );
+ $encUserId = $dbw->addQuotes( $wgUser->getId() );
+ $encReason = $dbw->addQuotes( $this->reason );
+ $encGroup = $dbw->addQuotes( 'deleted' );
+ $ext = $this->file->getExtension();
+ $dotExt = $ext === '' ? '' : ".$ext";
+ $encExt = $dbw->addQuotes( $dotExt );
+ list( $oldRels, $deleteCurrent ) = $this->getOldRels();
+
+ if ( $deleteCurrent ) {
+ $where = array( 'img_name' => $this->file->getName() );
+ $dbw->insertSelect( 'filearchive', 'image',
+ array(
+ 'fa_storage_group' => $encGroup,
+ 'fa_storage_key' => "IF(img_sha1='', '', CONCAT(img_sha1,$encExt))",
+
+ 'fa_deleted_user' => $encUserId,
+ 'fa_deleted_timestamp' => $encTimestamp,
+ 'fa_deleted_reason' => $encReason,
+ 'fa_deleted' => 0,
+
+ 'fa_name' => 'img_name',
+ 'fa_archive_name' => 'NULL',
+ 'fa_size' => 'img_size',
+ 'fa_width' => 'img_width',
+ 'fa_height' => 'img_height',
+ 'fa_metadata' => 'img_metadata',
+ 'fa_bits' => 'img_bits',
+ 'fa_media_type' => 'img_media_type',
+ 'fa_major_mime' => 'img_major_mime',
+ 'fa_minor_mime' => 'img_minor_mime',
+ 'fa_description' => 'img_description',
+ 'fa_user' => 'img_user',
+ 'fa_user_text' => 'img_user_text',
+ 'fa_timestamp' => 'img_timestamp'
+ ), $where, __METHOD__ );
+ }
+
+ if ( count( $oldRels ) ) {
+ $where = array(
+ 'oi_name' => $this->file->getName(),
+ 'oi_archive_name IN (' . $dbw->makeList( array_keys( $oldRels ) ) . ')' );
+
+ $dbw->insertSelect( 'filearchive', 'oldimage',
+ array(
+ 'fa_storage_group' => $encGroup,
+ 'fa_storage_key' => "IF(oi_sha1='', '', CONCAT(oi_sha1,$encExt))",
+
+ 'fa_deleted_user' => $encUserId,
+ 'fa_deleted_timestamp' => $encTimestamp,
+ 'fa_deleted_reason' => $encReason,
+ 'fa_deleted' => 0,
+
+ 'fa_name' => 'oi_name',
+ 'fa_archive_name' => 'oi_archive_name',
+ 'fa_size' => 'oi_size',
+ 'fa_width' => 'oi_width',
+ 'fa_height' => 'oi_height',
+ 'fa_metadata' => 'oi_metadata',
+ 'fa_bits' => 'oi_bits',
+ 'fa_media_type' => 'oi_media_type',
+ 'fa_major_mime' => 'oi_major_mime',
+ 'fa_minor_mime' => 'oi_minor_mime',
+ 'fa_description' => 'oi_description',
+ 'fa_user' => 'oi_user',
+ 'fa_user_text' => 'oi_user_text',
+ 'fa_timestamp' => 'oi_timestamp'
+ ), $where, __METHOD__ );
+ }
+ }
+
+ function doDBDeletes() {
+ $dbw = $this->file->repo->getMasterDB();
+ list( $oldRels, $deleteCurrent ) = $this->getOldRels();
+ if ( $deleteCurrent ) {
+ $dbw->delete( 'image', array( 'img_name' => $this->file->getName() ), __METHOD__ );
+ }
+ if ( count( $oldRels ) ) {
+ $dbw->delete( 'oldimage',
+ array(
+ 'oi_name' => $this->file->getName(),
+ 'oi_archive_name IN (' . $dbw->makeList( array_keys( $oldRels ) ) . ')'
+ ), __METHOD__ );
+ }
+ }
+
+ /**
+ * Run the transaction
+ */
+ function execute() {
+ global $wgUser, $wgUseSquid;
+ wfProfileIn( __METHOD__ );
+
+ $this->file->lock();
+
+ // Prepare deletion batch
+ $hashes = $this->getHashes();
+ $this->deletionBatch = array();
+ $ext = $this->file->getExtension();
+ $dotExt = $ext === '' ? '' : ".$ext";
+ foreach ( $this->srcRels as $name => $srcRel ) {
+ // Skip files that have no hash (missing source)
+ if ( isset( $hashes[$name] ) ) {
+ $hash = $hashes[$name];
+ $key = $hash . $dotExt;
+ $dstRel = $this->file->repo->getDeletedHashPath( $key ) . $key;
+ $this->deletionBatch[$name] = array( $srcRel, $dstRel );
+ }
+ }
+
+ // Lock the filearchive rows so that the files don't get deleted by a cleanup operation
+ // We acquire this lock by running the inserts now, before the file operations.
+ //
+ // This potentially has poor lock contention characteristics -- an alternative
+ // scheme would be to insert stub filearchive entries with no fa_name and commit
+ // them in a separate transaction, then run the file ops, then update the fa_name fields.
+ $this->doDBInserts();
+
+ // Execute the file deletion batch
+ $status = $this->file->repo->deleteBatch( $this->deletionBatch );
+ if ( !$status->isGood() ) {
+ $this->status->merge( $status );
+ }
+
+ if ( !$this->status->ok ) {
+ // Critical file deletion error
+ // Roll back inserts, release lock and abort
+ // TODO: delete the defunct filearchive rows if we are using a non-transactional DB
+ $this->file->unlockAndRollback();
+ return $this->status;
+ }
+
+ // Purge squid
+ if ( $wgUseSquid ) {
+ $urls = array();
+ foreach ( $this->srcRels as $srcRel ) {
+ $urlRel = str_replace( '%2F', '/', rawurlencode( $srcRel ) );
+ $urls[] = $this->file->repo->getZoneUrl( 'public' ) . '/' . $urlRel;
+ }
+ SquidUpdate::purge( $urls );
+ }
+
+ // Delete image/oldimage rows
+ $this->doDBDeletes();
+
+ // Commit and return
+ $this->file->unlock();
+ wfProfileOut( __METHOD__ );
+ return $this->status;
+ }
+}
+
+#------------------------------------------------------------------------------
+
+/**
+ * Helper class for file undeletion
+ */
+class LocalFileRestoreBatch {
+ var $file, $cleanupBatch, $ids, $all, $unsuppress = false;
+
+ function __construct( File $file ) {
+ $this->file = $file;
+ $this->cleanupBatch = $this->ids = array();
+ $this->ids = array();
+ }
+
+ /**
+ * Add a file by ID
+ */
+ function addId( $fa_id ) {
+ $this->ids[] = $fa_id;
+ }
+
+ /**
+ * Add a whole lot of files by ID
+ */
+ function addIds( $ids ) {
+ $this->ids = array_merge( $this->ids, $ids );
+ }
+
+ /**
+ * Add all revisions of the file
+ */
+ function addAll() {
+ $this->all = true;
+ }
+
+ /**
+ * Run the transaction, except the cleanup batch.
+ * The cleanup batch should be run in a separate transaction, because it locks different
+ * rows and there's no need to keep the image row locked while it's acquiring those locks
+ * The caller may have its own transaction open.
+ * So we save the batch and let the caller call cleanup()
+ */
+ function execute() {
+ global $wgUser, $wgLang;
+ if ( !$this->all && !$this->ids ) {
+ // Do nothing
+ return $this->file->repo->newGood();
+ }
+
+ $exists = $this->file->lock();
+ $dbw = $this->file->repo->getMasterDB();
+ $status = $this->file->repo->newGood();
+
+ // Fetch all or selected archived revisions for the file,
+ // sorted from the most recent to the oldest.
+ $conditions = array( 'fa_name' => $this->file->getName() );
+ if( !$this->all ) {
+ $conditions[] = 'fa_id IN (' . $dbw->makeList( $this->ids ) . ')';
+ }
+
+ $result = $dbw->select( 'filearchive', '*',
+ $conditions,
+ __METHOD__,
+ array( 'ORDER BY' => 'fa_timestamp DESC' ) );
+
+ $idsPresent = array();
+ $storeBatch = array();
+ $insertBatch = array();
+ $insertCurrent = false;
+ $deleteIds = array();
+ $first = true;
+ $archiveNames = array();
+ while( $row = $dbw->fetchObject( $result ) ) {
+ $idsPresent[] = $row->fa_id;
+ if ( $this->unsuppress ) {
+ // Currently, fa_deleted flags fall off upon restore, lets be careful about this
+ } else if ( ($row->fa_deleted & Revision::DELETED_RESTRICTED) && !$wgUser->isAllowed('hiderevision') ) {
+ // Skip restoring file revisions that the user cannot restore
+ continue;
+ }
+ if ( $row->fa_name != $this->file->getName() ) {
+ $status->error( 'undelete-filename-mismatch', $wgLang->timeanddate( $row->fa_timestamp ) );
+ $status->failCount++;
+ continue;
+ }
+ if ( $row->fa_storage_key == '' ) {
+ // Revision was missing pre-deletion
+ $status->error( 'undelete-bad-store-key', $wgLang->timeanddate( $row->fa_timestamp ) );
+ $status->failCount++;
+ continue;
+ }
+
+ $deletedRel = $this->file->repo->getDeletedHashPath( $row->fa_storage_key ) . $row->fa_storage_key;
+ $deletedUrl = $this->file->repo->getVirtualUrl() . '/deleted/' . $deletedRel;
+
+ $sha1 = substr( $row->fa_storage_key, 0, strcspn( $row->fa_storage_key, '.' ) );
+ # Fix leading zero
+ if ( strlen( $sha1 ) == 32 && $sha1[0] == '0' ) {
+ $sha1 = substr( $sha1, 1 );
+ }
+
+ if( is_null( $row->fa_major_mime ) || $row->fa_major_mime == 'unknown'
+ || is_null( $row->fa_minor_mime ) || $row->fa_minor_mime == 'unknown'
+ || is_null( $row->fa_media_type ) || $row->fa_media_type == 'UNKNOWN'
+ || is_null( $row->fa_metadata ) ) {
+ // Refresh our metadata
+ // Required for a new current revision; nice for older ones too. :)
+ $props = RepoGroup::singleton()->getFileProps( $deletedUrl );
+ } else {
+ $props = array(
+ 'minor_mime' => $row->fa_minor_mime,
+ 'major_mime' => $row->fa_major_mime,
+ 'media_type' => $row->fa_media_type,
+ 'metadata' => $row->fa_metadata );
+ }
+
+ if ( $first && !$exists ) {
+ // This revision will be published as the new current version
+ $destRel = $this->file->getRel();
+ $insertCurrent = array(
+ 'img_name' => $row->fa_name,
+ 'img_size' => $row->fa_size,
+ 'img_width' => $row->fa_width,
+ 'img_height' => $row->fa_height,
+ 'img_metadata' => $props['metadata'],
+ 'img_bits' => $row->fa_bits,
+ 'img_media_type' => $props['media_type'],
+ 'img_major_mime' => $props['major_mime'],
+ 'img_minor_mime' => $props['minor_mime'],
+ 'img_description' => $row->fa_description,
+ 'img_user' => $row->fa_user,
+ 'img_user_text' => $row->fa_user_text,
+ 'img_timestamp' => $row->fa_timestamp,
+ 'img_sha1' => $sha1);
+ } else {
+ $archiveName = $row->fa_archive_name;
+ if( $archiveName == '' ) {
+ // This was originally a current version; we
+ // have to devise a new archive name for it.
+ // Format is <timestamp of archiving>!<name>
+ $timestamp = wfTimestamp( TS_UNIX, $row->fa_deleted_timestamp );
+ do {
+ $archiveName = wfTimestamp( TS_MW, $timestamp ) . '!' . $row->fa_name;
+ $timestamp++;
+ } while ( isset( $archiveNames[$archiveName] ) );
+ }
+ $archiveNames[$archiveName] = true;
+ $destRel = $this->file->getArchiveRel( $archiveName );
+ $insertBatch[] = array(
+ 'oi_name' => $row->fa_name,
+ 'oi_archive_name' => $archiveName,
+ 'oi_size' => $row->fa_size,
+ 'oi_width' => $row->fa_width,
+ 'oi_height' => $row->fa_height,
+ 'oi_bits' => $row->fa_bits,
+ 'oi_description' => $row->fa_description,
+ 'oi_user' => $row->fa_user,
+ 'oi_user_text' => $row->fa_user_text,
+ 'oi_timestamp' => $row->fa_timestamp,
+ 'oi_metadata' => $props['metadata'],
+ 'oi_media_type' => $props['media_type'],
+ 'oi_major_mime' => $props['major_mime'],
+ 'oi_minor_mime' => $props['minor_mime'],
+ 'oi_deleted' => $row->fa_deleted,
+ 'oi_sha1' => $sha1 );
+ }
+
+ $deleteIds[] = $row->fa_id;
+ $storeBatch[] = array( $deletedUrl, 'public', $destRel );
+ $this->cleanupBatch[] = $row->fa_storage_key;
+ $first = false;
+ }
+ unset( $result );
+
+ // Add a warning to the status object for missing IDs
+ $missingIds = array_diff( $this->ids, $idsPresent );
+ foreach ( $missingIds as $id ) {
+ $status->error( 'undelete-missing-filearchive', $id );
+ }
+
+ // Run the store batch
+ // Use the OVERWRITE_SAME flag to smooth over a common error
+ $storeStatus = $this->file->repo->storeBatch( $storeBatch, FileRepo::OVERWRITE_SAME );
+ $status->merge( $storeStatus );
+
+ if ( !$status->ok ) {
+ // Store batch returned a critical error -- this usually means nothing was stored
+ // Stop now and return an error
+ $this->file->unlock();
+ return $status;
+ }
+
+ // Run the DB updates
+ // Because we have locked the image row, key conflicts should be rare.
+ // If they do occur, we can roll back the transaction at this time with
+ // no data loss, but leaving unregistered files scattered throughout the
+ // public zone.
+ // This is not ideal, which is why it's important to lock the image row.
+ if ( $insertCurrent ) {
+ $dbw->insert( 'image', $insertCurrent, __METHOD__ );
+ }
+ if ( $insertBatch ) {
+ $dbw->insert( 'oldimage', $insertBatch, __METHOD__ );
+ }
+ if ( $deleteIds ) {
+ $dbw->delete( 'filearchive',
+ array( 'fa_id IN (' . $dbw->makeList( $deleteIds ) . ')' ),
+ __METHOD__ );
+ }
+
+ if( $status->successCount > 0 ) {
+ if( !$exists ) {
+ wfDebug( __METHOD__." restored {$status->successCount} items, creating a new current\n" );
+
+ // Update site_stats
+ $site_stats = $dbw->tableName( 'site_stats' );
+ $dbw->query( "UPDATE $site_stats SET ss_images=ss_images+1", __METHOD__ );
+
+ $this->file->purgeEverything();
+ } else {
+ wfDebug( __METHOD__." restored {$status->successCount} as archived versions\n" );
+ $this->file->purgeDescription();
+ $this->file->purgeHistory();
+ }
+ }
+ $this->file->unlock();
+ return $status;
+ }
+
+ /**
+ * Delete unused files in the deleted zone.
+ * This should be called from outside the transaction in which execute() was called.
+ */
+ function cleanup() {
+ if ( !$this->cleanupBatch ) {
+ return $this->file->repo->newGood();
+ }
+ $status = $this->file->repo->cleanupDeletedBatch( $this->cleanupBatch );
+ return $status;
+ }
+}
generated by cgit v1.2.2 (git 2.25.0) at 2024-04-19 17:46:26 +0000