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<?php |
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/** |
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* Old file in the oldimage table. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* http://www.gnu.org/copyleft/gpl.html |
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* |
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* @file |
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* @ingroup FileAbstraction |
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*/ |
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/** |
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* Class to represent a file in the oldimage table |
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* |
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* @ingroup FileAbstraction |
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*/ |
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class OldLocalFile extends LocalFile { |
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/** @var string Timestamp */ |
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protected $requestedTime; |
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/** @var string Archive name */ |
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protected $archive_name; |
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const CACHE_VERSION = 1; |
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const MAX_CACHE_ROWS = 20; |
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/** |
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* @param Title $title |
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* @param FileRepo $repo |
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* @param null|int $time Timestamp or null |
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* @return OldLocalFile |
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* @throws MWException |
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*/ |
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static function newFromTitle( $title, $repo, $time = null ) { |
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# The null default value is only here to avoid an E_STRICT |
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if ( $time === null ) { |
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throw new MWException( __METHOD__ . ' got null for $time parameter' ); |
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} |
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return new self( $title, $repo, $time, null ); |
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} |
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/** |
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* @param Title $title |
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* @param FileRepo $repo |
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* @param string $archiveName |
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* @return OldLocalFile |
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*/ |
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static function newFromArchiveName( $title, $repo, $archiveName ) { |
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return new self( $title, $repo, null, $archiveName ); |
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} |
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/** |
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* @param stdClass $row |
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* @param FileRepo $repo |
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* @return OldLocalFile |
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*/ |
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static function newFromRow( $row, $repo ) { |
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$title = Title::makeTitle( NS_FILE, $row->oi_name ); |
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$file = new self( $title, $repo, null, $row->oi_archive_name ); |
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$file->loadFromRow( $row, 'oi_' ); |
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return $file; |
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} |
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/** |
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* Create a OldLocalFile from a SHA-1 key |
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* Do not call this except from inside a repo class. |
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* |
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* @param string $sha1 Base-36 SHA-1 |
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* @param LocalRepo $repo |
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* @param string|bool $timestamp MW_timestamp (optional) |
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* |
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* @return bool|OldLocalFile |
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*/ |
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View Code Duplication |
static function newFromKey( $sha1, $repo, $timestamp = false ) { |
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$dbr = $repo->getSlaveDB(); |
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$conds = [ 'oi_sha1' => $sha1 ]; |
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if ( $timestamp ) { |
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$conds['oi_timestamp'] = $dbr->timestamp( $timestamp ); |
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} |
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$row = $dbr->selectRow( 'oldimage', self::selectFields(), $conds, __METHOD__ ); |
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if ( $row ) { |
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return self::newFromRow( $row, $repo ); |
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} else { |
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return false; |
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} |
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} |
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/** |
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* Fields in the oldimage table |
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* @return array |
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*/ |
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static function selectFields() { |
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return [ |
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'oi_name', |
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'oi_archive_name', |
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'oi_size', |
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'oi_width', |
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'oi_height', |
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'oi_metadata', |
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'oi_bits', |
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'oi_media_type', |
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'oi_major_mime', |
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'oi_minor_mime', |
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'oi_description', |
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'oi_user', |
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'oi_user_text', |
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'oi_timestamp', |
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'oi_deleted', |
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'oi_sha1', |
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]; |
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} |
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/** |
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* @param Title $title |
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* @param FileRepo $repo |
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* @param string $time Timestamp or null to load by archive name |
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* @param string $archiveName Archive name or null to load by timestamp |
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* @throws MWException |
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*/ |
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function __construct( $title, $repo, $time, $archiveName ) { |
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parent::__construct( $title, $repo ); |
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$this->requestedTime = $time; |
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$this->archive_name = $archiveName; |
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if ( is_null( $time ) && is_null( $archiveName ) ) { |
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throw new MWException( __METHOD__ . ': must specify at least one of $time or $archiveName' ); |
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} |
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} |
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/** |
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* @return bool |
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*/ |
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function getCacheKey() { |
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return false; |
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} |
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/** |
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* @return string |
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*/ |
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function getArchiveName() { |
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if ( !isset( $this->archive_name ) ) { |
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$this->load(); |
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} |
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return $this->archive_name; |
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} |
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/** |
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* @return bool |
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*/ |
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function isOld() { |
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return true; |
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} |
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/** |
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* @return bool |
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*/ |
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function isVisible() { |
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return $this->exists() && !$this->isDeleted( File::DELETED_FILE ); |
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} |
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function loadFromDB( $flags = 0 ) { |
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$this->dataLoaded = true; |
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$dbr = ( $flags & self::READ_LATEST ) |
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? $this->repo->getMasterDB() |
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: $this->repo->getSlaveDB(); |
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$conds = [ 'oi_name' => $this->getName() ]; |
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View Code Duplication |
if ( is_null( $this->requestedTime ) ) { |
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$conds['oi_archive_name'] = $this->archive_name; |
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} else { |
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$conds['oi_timestamp'] = $dbr->timestamp( $this->requestedTime ); |
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} |
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$row = $dbr->selectRow( 'oldimage', $this->getCacheFields( 'oi_' ), |
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$conds, __METHOD__, [ 'ORDER BY' => 'oi_timestamp DESC' ] ); |
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if ( $row ) { |
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$this->loadFromRow( $row, 'oi_' ); |
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} else { |
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$this->fileExists = false; |
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} |
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} |
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/** |
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* Load lazy file metadata from the DB |
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*/ |
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protected function loadExtraFromDB() { |
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$this->extraDataLoaded = true; |
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$dbr = $this->repo->getSlaveDB(); |
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$conds = [ 'oi_name' => $this->getName() ]; |
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View Code Duplication |
if ( is_null( $this->requestedTime ) ) { |
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$conds['oi_archive_name'] = $this->archive_name; |
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} else { |
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$conds['oi_timestamp'] = $dbr->timestamp( $this->requestedTime ); |
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} |
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// In theory the file could have just been renamed/deleted...oh well |
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$row = $dbr->selectRow( 'oldimage', $this->getLazyCacheFields( 'oi_' ), |
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$conds, __METHOD__, [ 'ORDER BY' => 'oi_timestamp DESC' ] ); |
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if ( !$row ) { // fallback to master |
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$dbr = $this->repo->getMasterDB(); |
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$row = $dbr->selectRow( 'oldimage', $this->getLazyCacheFields( 'oi_' ), |
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$conds, __METHOD__, [ 'ORDER BY' => 'oi_timestamp DESC' ] ); |
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} |
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if ( $row ) { |
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foreach ( $this->unprefixRow( $row, 'oi_' ) as $name => $value ) { |
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$this->$name = $value; |
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} |
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} else { |
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throw new MWException( "Could not find data for image '{$this->archive_name}'." ); |
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} |
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} |
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/** |
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* @param string $prefix |
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* @return array |
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*/ |
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function getCacheFields( $prefix = 'img_' ) { |
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$fields = parent::getCacheFields( $prefix ); |
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$fields[] = $prefix . 'archive_name'; |
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$fields[] = $prefix . 'deleted'; |
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return $fields; |
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} |
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/** |
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* @return string |
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*/ |
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function getRel() { |
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return 'archive/' . $this->getHashPath() . $this->getArchiveName(); |
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} |
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/** |
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* @return string |
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*/ |
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function getUrlRel() { |
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return 'archive/' . $this->getHashPath() . rawurlencode( $this->getArchiveName() ); |
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} |
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function upgradeRow() { |
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$this->loadFromFile(); |
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# Don't destroy file info of missing files |
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if ( !$this->fileExists ) { |
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wfDebug( __METHOD__ . ": file does not exist, aborting\n" ); |
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return; |
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} |
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$dbw = $this->repo->getMasterDB(); |
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list( $major, $minor ) = self::splitMime( $this->mime ); |
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wfDebug( __METHOD__ . ': upgrading ' . $this->archive_name . " to the current schema\n" ); |
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$dbw->update( 'oldimage', |
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[ |
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'oi_size' => $this->size, // sanity |
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'oi_width' => $this->width, |
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'oi_height' => $this->height, |
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'oi_bits' => $this->bits, |
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'oi_media_type' => $this->media_type, |
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'oi_major_mime' => $major, |
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'oi_minor_mime' => $minor, |
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'oi_metadata' => $this->metadata, |
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'oi_sha1' => $this->sha1, |
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], [ |
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'oi_name' => $this->getName(), |
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'oi_archive_name' => $this->archive_name ], |
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__METHOD__ |
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); |
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} |
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/** |
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* @param int $field One of DELETED_* bitfield constants for file or |
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* revision rows |
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* @return bool |
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*/ |
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function isDeleted( $field ) { |
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$this->load(); |
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return ( $this->deleted & $field ) == $field; |
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} |
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/** |
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* Returns bitfield value |
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* @return int |
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*/ |
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function getVisibility() { |
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$this->load(); |
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return (int)$this->deleted; |
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} |
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309
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/** |
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310
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* Determine if the current user is allowed to view a particular |
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* field of this image file, if it's marked as deleted. |
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* |
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* @param int $field |
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* @param User|null $user User object to check, or null to use $wgUser |
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* @return bool |
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*/ |
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317
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function userCan( $field, User $user = null ) { |
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$this->load(); |
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320
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return Revision::userCanBitfield( $this->deleted, $field, $user ); |
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} |
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323
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/** |
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324
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* Upload a file directly into archive. Generally for Special:Import. |
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325
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* |
|
326
|
|
|
* @param string $srcPath File system path of the source file |
|
327
|
|
|
* @param string $archiveName Full archive name of the file, in the form |
|
328
|
|
|
* $timestamp!$filename, where $filename must match $this->getName() |
|
329
|
|
|
* @param string $timestamp |
|
330
|
|
|
* @param string $comment |
|
331
|
|
|
* @param User $user |
|
332
|
|
|
* @return Status |
|
333
|
|
|
*/ |
|
334
|
|
|
function uploadOld( $srcPath, $archiveName, $timestamp, $comment, $user ) { |
|
335
|
|
|
$this->lock(); |
|
336
|
|
|
|
|
337
|
|
|
$dstRel = 'archive/' . $this->getHashPath() . $archiveName; |
|
338
|
|
|
$status = $this->publishTo( $srcPath, $dstRel ); |
|
339
|
|
|
|
|
340
|
|
|
if ( $status->isGood() ) { |
|
341
|
|
|
if ( !$this->recordOldUpload( $srcPath, $archiveName, $timestamp, $comment, $user ) ) { |
|
342
|
|
|
$status->fatal( 'filenotfound', $srcPath ); |
|
343
|
|
|
} |
|
344
|
|
|
} |
|
345
|
|
|
|
|
346
|
|
|
$this->unlock(); |
|
347
|
|
|
|
|
348
|
|
|
return $status; |
|
349
|
|
|
} |
|
350
|
|
|
|
|
351
|
|
|
/** |
|
352
|
|
|
* Record a file upload in the oldimage table, without adding log entries. |
|
353
|
|
|
* |
|
354
|
|
|
* @param string $srcPath File system path to the source file |
|
355
|
|
|
* @param string $archiveName The archive name of the file |
|
356
|
|
|
* @param string $timestamp |
|
357
|
|
|
* @param string $comment Upload comment |
|
358
|
|
|
* @param User $user User who did this upload |
|
359
|
|
|
* @return bool |
|
360
|
|
|
*/ |
|
361
|
|
|
protected function recordOldUpload( $srcPath, $archiveName, $timestamp, $comment, $user ) { |
|
362
|
|
|
$dbw = $this->repo->getMasterDB(); |
|
|
|
|
|
|
363
|
|
|
|
|
364
|
|
|
$dstPath = $this->repo->getZonePath( 'public' ) . '/' . $this->getRel(); |
|
365
|
|
|
$props = $this->repo->getFileProps( $dstPath ); |
|
366
|
|
|
if ( !$props['fileExists'] ) { |
|
367
|
|
|
return false; |
|
368
|
|
|
} |
|
369
|
|
|
|
|
370
|
|
|
$dbw->insert( 'oldimage', |
|
371
|
|
|
[ |
|
372
|
|
|
'oi_name' => $this->getName(), |
|
373
|
|
|
'oi_archive_name' => $archiveName, |
|
374
|
|
|
'oi_size' => $props['size'], |
|
375
|
|
|
'oi_width' => intval( $props['width'] ), |
|
376
|
|
|
'oi_height' => intval( $props['height'] ), |
|
377
|
|
|
'oi_bits' => $props['bits'], |
|
378
|
|
|
'oi_timestamp' => $dbw->timestamp( $timestamp ), |
|
379
|
|
|
'oi_description' => $comment, |
|
380
|
|
|
'oi_user' => $user->getId(), |
|
381
|
|
|
'oi_user_text' => $user->getName(), |
|
382
|
|
|
'oi_metadata' => $props['metadata'], |
|
383
|
|
|
'oi_media_type' => $props['media_type'], |
|
384
|
|
|
'oi_major_mime' => $props['major_mime'], |
|
385
|
|
|
'oi_minor_mime' => $props['minor_mime'], |
|
386
|
|
|
'oi_sha1' => $props['sha1'], |
|
387
|
|
|
], __METHOD__ |
|
388
|
|
|
); |
|
389
|
|
|
|
|
390
|
|
|
return true; |
|
391
|
|
|
} |
|
392
|
|
|
|
|
393
|
|
|
/** |
|
394
|
|
|
* If archive name is an empty string, then file does not "exist" |
|
395
|
|
|
* |
|
396
|
|
|
* This is the case for a couple files on Wikimedia servers where |
|
397
|
|
|
* the old version is "lost". |
|
398
|
|
|
*/ |
|
399
|
|
|
public function exists() { |
|
400
|
|
|
$archiveName = $this->getArchiveName(); |
|
401
|
|
|
if ( $archiveName === '' || !is_string( $archiveName ) ) { |
|
402
|
|
|
return false; |
|
403
|
|
|
} |
|
404
|
|
|
return parent::exists(); |
|
405
|
|
|
} |
|
406
|
|
|
} |
|
407
|
|
|
|
It seems like the method you are trying to call exists only in some of the possible types.
Let’s take a look at an example:
Available Fixes
Add an additional type-check:
Only allow a single type to be passed if the variable comes from a parameter: