485f66f174
Find: /isset\(\s*([^()]+?)\s*\)\s*\?\s*\1\s*:\s*/ Replace with: '\1 ?? ' (Everywhere except includes/PHPVersionCheck.php) (Then, manually fix some line length and indentation issues) Then manually reviewed the replacements for cases where confusing operator precedence would result in incorrect results (fixing those in I478db046a1cc162c6767003ce45c9b56270f3372). Change-Id: I33b421c8cb11cdd4ce896488c9ff5313f03a38cf
3513 lines
98 KiB
PHP
3513 lines
98 KiB
PHP
<?php
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/**
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* Local file in the wiki's own database.
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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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use MediaWiki\Logger\LoggerFactory;
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use Wikimedia\Rdbms\Database;
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use Wikimedia\Rdbms\IDatabase;
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use MediaWiki\MediaWikiServices;
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/**
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* Class to represent a local file in the wiki's own database
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*
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* Provides methods to retrieve paths (physical, logical, URL),
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* to generate image thumbnails or for uploading.
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*
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* Note that only the repo object knows what its file class is called. You should
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* never name a file class explictly outside of the repo class. Instead use the
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* repo's factory functions to generate file objects, for example:
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*
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* RepoGroup::singleton()->getLocalRepo()->newFile( $title );
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*
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* The convenience functions wfLocalFile() and wfFindFile() should be sufficient
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* in most cases.
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*
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* @ingroup FileAbstraction
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*/
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class LocalFile extends File {
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const VERSION = 11; // cache version
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const CACHE_FIELD_MAX_LEN = 1000;
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/** @var bool Does the file exist on disk? (loadFromXxx) */
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protected $fileExists;
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/** @var int Image width */
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protected $width;
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/** @var int Image height */
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protected $height;
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/** @var int Returned by getimagesize (loadFromXxx) */
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protected $bits;
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/** @var string MEDIATYPE_xxx (bitmap, drawing, audio...) */
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protected $media_type;
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/** @var string MIME type, determined by MimeMagic::guessMimeType */
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protected $mime;
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/** @var int Size in bytes (loadFromXxx) */
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protected $size;
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/** @var string Handler-specific metadata */
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protected $metadata;
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/** @var string SHA-1 base 36 content hash */
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protected $sha1;
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/** @var bool Whether or not core data has been loaded from the database (loadFromXxx) */
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protected $dataLoaded;
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/** @var bool Whether or not lazy-loaded data has been loaded from the database */
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protected $extraDataLoaded;
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/** @var int Bitfield akin to rev_deleted */
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protected $deleted;
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/** @var string */
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protected $repoClass = LocalRepo::class;
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/** @var int Number of line to return by nextHistoryLine() (constructor) */
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private $historyLine;
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/** @var int Result of the query for the file's history (nextHistoryLine) */
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private $historyRes;
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/** @var string Major MIME type */
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private $major_mime;
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/** @var string Minor MIME type */
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private $minor_mime;
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/** @var string Upload timestamp */
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private $timestamp;
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/** @var User Uploader */
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private $user;
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/** @var string Description of current revision of the file */
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private $description;
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/** @var string TS_MW timestamp of the last change of the file description */
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private $descriptionTouched;
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/** @var bool Whether the row was upgraded on load */
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private $upgraded;
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/** @var bool Whether the row was scheduled to upgrade on load */
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private $upgrading;
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/** @var bool True if the image row is locked */
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private $locked;
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/** @var bool True if the image row is locked with a lock initiated transaction */
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private $lockedOwnTrx;
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/** @var bool True if file is not present in file system. Not to be cached in memcached */
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private $missing;
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// @note: higher than IDBAccessObject constants
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const LOAD_ALL = 16; // integer; load all the lazy fields too (like metadata)
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const ATOMIC_SECTION_LOCK = 'LocalFile::lockingTransaction';
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/**
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* Create a LocalFile from a title
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* Do not call this except from inside a repo class.
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*
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* Note: $unused param is only here to avoid an E_STRICT
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*
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* @param Title $title
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* @param FileRepo $repo
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* @param null $unused
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*
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* @return self
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*/
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static function newFromTitle( $title, $repo, $unused = null ) {
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return new self( $title, $repo );
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}
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/**
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* Create a LocalFile from a title
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* Do not call this except from inside a repo class.
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*
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* @param stdClass $row
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* @param FileRepo $repo
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*
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* @return self
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*/
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static function newFromRow( $row, $repo ) {
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$title = Title::makeTitle( NS_FILE, $row->img_name );
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$file = new self( $title, $repo );
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$file->loadFromRow( $row );
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return $file;
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}
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/**
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* Create a LocalFile 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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* @return bool|LocalFile
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*/
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static function newFromKey( $sha1, $repo, $timestamp = false ) {
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$dbr = $repo->getReplicaDB();
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$conds = [ 'img_sha1' => $sha1 ];
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if ( $timestamp ) {
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$conds['img_timestamp'] = $dbr->timestamp( $timestamp );
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}
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$fileQuery = self::getQueryInfo();
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$row = $dbr->selectRow(
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$fileQuery['tables'], $fileQuery['fields'], $conds, __METHOD__, [], $fileQuery['joins']
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);
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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 image table
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* @deprecated since 1.31, use self::getQueryInfo() instead.
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* @return string[]
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*/
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static function selectFields() {
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global $wgActorTableSchemaMigrationStage;
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wfDeprecated( __METHOD__, '1.31' );
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if ( $wgActorTableSchemaMigrationStage > MIGRATION_WRITE_BOTH ) {
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// If code is using this instead of self::getQueryInfo(), there's a
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// decent chance it's going to try to directly access
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// $row->img_user or $row->img_user_text and we can't give it
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// useful values here once those aren't being written anymore.
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throw new BadMethodCallException(
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'Cannot use ' . __METHOD__ . ' when $wgActorTableSchemaMigrationStage > MIGRATION_WRITE_BOTH'
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);
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}
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return [
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'img_name',
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'img_size',
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'img_width',
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'img_height',
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'img_metadata',
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'img_bits',
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'img_media_type',
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'img_major_mime',
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'img_minor_mime',
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'img_user',
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'img_user_text',
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'img_actor' => $wgActorTableSchemaMigrationStage > MIGRATION_OLD ? 'img_actor' : null,
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'img_timestamp',
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'img_sha1',
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] + MediaWikiServices::getInstance()->getCommentStore()->getFields( 'img_description' );
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}
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/**
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* Return the tables, fields, and join conditions to be selected to create
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* a new localfile object.
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* @since 1.31
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* @param string[] $options
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* - omit-lazy: Omit fields that are lazily cached.
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* @return array[] With three keys:
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* - tables: (string[]) to include in the `$table` to `IDatabase->select()`
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* - fields: (string[]) to include in the `$vars` to `IDatabase->select()`
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* - joins: (array) to include in the `$join_conds` to `IDatabase->select()`
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*/
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public static function getQueryInfo( array $options = [] ) {
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$commentQuery = MediaWikiServices::getInstance()->getCommentStore()->getJoin( 'img_description' );
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$actorQuery = ActorMigration::newMigration()->getJoin( 'img_user' );
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$ret = [
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'tables' => [ 'image' ] + $commentQuery['tables'] + $actorQuery['tables'],
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'fields' => [
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'img_name',
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'img_size',
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'img_width',
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'img_height',
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'img_metadata',
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'img_bits',
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'img_media_type',
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'img_major_mime',
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'img_minor_mime',
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'img_timestamp',
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'img_sha1',
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] + $commentQuery['fields'] + $actorQuery['fields'],
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'joins' => $commentQuery['joins'] + $actorQuery['joins'],
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];
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if ( in_array( 'omit-nonlazy', $options, true ) ) {
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// Internal use only for getting only the lazy fields
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$ret['fields'] = [];
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}
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if ( !in_array( 'omit-lazy', $options, true ) ) {
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// Note: Keep this in sync with self::getLazyCacheFields()
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$ret['fields'][] = 'img_metadata';
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}
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return $ret;
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}
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/**
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* Do not call this except from inside a repo class.
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* @param Title $title
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* @param FileRepo $repo
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*/
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function __construct( $title, $repo ) {
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parent::__construct( $title, $repo );
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$this->metadata = '';
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$this->historyLine = 0;
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$this->historyRes = null;
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$this->dataLoaded = false;
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$this->extraDataLoaded = false;
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$this->assertRepoDefined();
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$this->assertTitleDefined();
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}
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/**
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* Get the memcached key for the main data for this file, or false if
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* there is no access to the shared cache.
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* @return string|bool
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*/
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function getCacheKey() {
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return $this->repo->getSharedCacheKey( 'file', sha1( $this->getName() ) );
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}
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/**
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* @param WANObjectCache $cache
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* @return string[]
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* @since 1.28
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*/
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public function getMutableCacheKeys( WANObjectCache $cache ) {
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return [ $this->getCacheKey() ];
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}
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/**
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* Try to load file metadata from memcached, falling back to the database
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*/
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private function loadFromCache() {
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$this->dataLoaded = false;
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$this->extraDataLoaded = false;
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$key = $this->getCacheKey();
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if ( !$key ) {
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$this->loadFromDB( self::READ_NORMAL );
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return;
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}
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$cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
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$cachedValues = $cache->getWithSetCallback(
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$key,
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$cache::TTL_WEEK,
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function ( $oldValue, &$ttl, array &$setOpts ) use ( $cache ) {
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$setOpts += Database::getCacheSetOptions( $this->repo->getReplicaDB() );
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$this->loadFromDB( self::READ_NORMAL );
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$fields = $this->getCacheFields( '' );
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$cacheVal['fileExists'] = $this->fileExists;
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if ( $this->fileExists ) {
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foreach ( $fields as $field ) {
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$cacheVal[$field] = $this->$field;
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}
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}
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$cacheVal['user'] = $this->user ? $this->user->getId() : 0;
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$cacheVal['user_text'] = $this->user ? $this->user->getName() : '';
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$cacheVal['actor'] = $this->user ? $this->user->getActorId() : null;
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// Strip off excessive entries from the subset of fields that can become large.
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// If the cache value gets to large it will not fit in memcached and nothing will
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// get cached at all, causing master queries for any file access.
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foreach ( $this->getLazyCacheFields( '' ) as $field ) {
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if ( isset( $cacheVal[$field] )
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&& strlen( $cacheVal[$field] ) > 100 * 1024
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) {
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unset( $cacheVal[$field] ); // don't let the value get too big
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}
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}
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if ( $this->fileExists ) {
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$ttl = $cache->adaptiveTTL( wfTimestamp( TS_UNIX, $this->timestamp ), $ttl );
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} else {
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$ttl = $cache::TTL_DAY;
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}
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return $cacheVal;
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},
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[ 'version' => self::VERSION ]
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);
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$this->fileExists = $cachedValues['fileExists'];
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if ( $this->fileExists ) {
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$this->setProps( $cachedValues );
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}
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$this->dataLoaded = true;
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$this->extraDataLoaded = true;
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foreach ( $this->getLazyCacheFields( '' ) as $field ) {
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$this->extraDataLoaded = $this->extraDataLoaded && isset( $cachedValues[$field] );
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}
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}
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/**
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* Purge the file object/metadata cache
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*/
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public function invalidateCache() {
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$key = $this->getCacheKey();
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if ( !$key ) {
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return;
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}
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$this->repo->getMasterDB()->onTransactionPreCommitOrIdle(
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function () use ( $key ) {
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MediaWikiServices::getInstance()->getMainWANObjectCache()->delete( $key );
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},
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__METHOD__
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);
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}
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/**
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* Load metadata from the file itself
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*/
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function loadFromFile() {
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$props = $this->repo->getFileProps( $this->getVirtualUrl() );
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$this->setProps( $props );
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}
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/**
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* Returns the list of object properties that are included as-is in the cache.
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* @param string $prefix Must be the empty string
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* @return string[]
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* @since 1.31 No longer accepts a non-empty $prefix
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*/
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protected function getCacheFields( $prefix = 'img_' ) {
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if ( $prefix !== '' ) {
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throw new InvalidArgumentException(
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__METHOD__ . ' with a non-empty prefix is no longer supported.'
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);
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}
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// See self::getQueryInfo() for the fetching of the data from the DB,
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// self::loadFromRow() for the loading of the object from the DB row,
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// and self::loadFromCache() for the caching, and self::setProps() for
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// populating the object from an array of data.
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return [ 'size', 'width', 'height', 'bits', 'media_type',
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'major_mime', 'minor_mime', 'metadata', 'timestamp', 'sha1', 'description' ];
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}
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/**
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* Returns the list of object properties that are included as-is in the
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* cache, only when they're not too big, and are lazily loaded by self::loadExtraFromDB().
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* @param string $prefix Must be the empty string
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* @return string[]
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* @since 1.31 No longer accepts a non-empty $prefix
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*/
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protected function getLazyCacheFields( $prefix = 'img_' ) {
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if ( $prefix !== '' ) {
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throw new InvalidArgumentException(
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__METHOD__ . ' with a non-empty prefix is no longer supported.'
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);
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}
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// Keep this in sync with the omit-lazy option in self::getQueryInfo().
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return [ 'metadata' ];
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}
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/**
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* Load file metadata from the DB
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* @param int $flags
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*/
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function loadFromDB( $flags = 0 ) {
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$fname = static::class . '::' . __FUNCTION__;
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# Unconditionally set loaded=true, we don't want the accessors constantly rechecking
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$this->dataLoaded = true;
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$this->extraDataLoaded = true;
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$dbr = ( $flags & self::READ_LATEST )
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? $this->repo->getMasterDB()
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: $this->repo->getReplicaDB();
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$fileQuery = static::getQueryInfo();
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$row = $dbr->selectRow(
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$fileQuery['tables'],
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$fileQuery['fields'],
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[ 'img_name' => $this->getName() ],
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$fname,
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[],
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$fileQuery['joins']
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);
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if ( $row ) {
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$this->loadFromRow( $row );
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} else {
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$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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* This covers fields that are sometimes not cached.
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*/
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protected function loadExtraFromDB() {
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$fname = static::class . '::' . __FUNCTION__;
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# Unconditionally set loaded=true, we don't want the accessors constantly rechecking
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$this->extraDataLoaded = true;
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$fieldMap = $this->loadExtraFieldsWithTimestamp( $this->repo->getReplicaDB(), $fname );
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if ( !$fieldMap ) {
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$fieldMap = $this->loadExtraFieldsWithTimestamp( $this->repo->getMasterDB(), $fname );
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}
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if ( $fieldMap ) {
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foreach ( $fieldMap 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->getName()}'." );
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}
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}
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/**
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* @param IDatabase $dbr
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* @param string $fname
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* @return string[]|bool
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*/
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private function loadExtraFieldsWithTimestamp( $dbr, $fname ) {
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$fieldMap = false;
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$fileQuery = self::getQueryInfo( [ 'omit-nonlazy' ] );
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$row = $dbr->selectRow(
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$fileQuery['tables'],
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$fileQuery['fields'],
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[
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'img_name' => $this->getName(),
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'img_timestamp' => $dbr->timestamp( $this->getTimestamp() ),
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],
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$fname,
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[],
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$fileQuery['joins']
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);
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if ( $row ) {
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$fieldMap = $this->unprefixRow( $row, 'img_' );
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} else {
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# File may have been uploaded over in the meantime; check the old versions
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$fileQuery = OldLocalFile::getQueryInfo( [ 'omit-nonlazy' ] );
|
|
$row = $dbr->selectRow(
|
|
$fileQuery['tables'],
|
|
$fileQuery['fields'],
|
|
[
|
|
'oi_name' => $this->getName(),
|
|
'oi_timestamp' => $dbr->timestamp( $this->getTimestamp() ),
|
|
],
|
|
$fname,
|
|
[],
|
|
$fileQuery['joins']
|
|
);
|
|
if ( $row ) {
|
|
$fieldMap = $this->unprefixRow( $row, 'oi_' );
|
|
}
|
|
}
|
|
|
|
if ( isset( $fieldMap['metadata'] ) ) {
|
|
$fieldMap['metadata'] = $this->repo->getReplicaDB()->decodeBlob( $fieldMap['metadata'] );
|
|
}
|
|
|
|
return $fieldMap;
|
|
}
|
|
|
|
/**
|
|
* @param array|object $row
|
|
* @param string $prefix
|
|
* @throws MWException
|
|
* @return array
|
|
*/
|
|
protected function unprefixRow( $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 = [];
|
|
foreach ( $array as $name => $value ) {
|
|
$decoded[substr( $name, $prefixLength )] = $value;
|
|
}
|
|
|
|
return $decoded;
|
|
}
|
|
|
|
/**
|
|
* Decode a row from the database (either object or array) to an array
|
|
* with timestamps and MIME types decoded, and the field prefix removed.
|
|
* @param object $row
|
|
* @param string $prefix
|
|
* @throws MWException
|
|
* @return array
|
|
*/
|
|
function decodeRow( $row, $prefix = 'img_' ) {
|
|
$decoded = $this->unprefixRow( $row, $prefix );
|
|
|
|
$decoded['description'] = MediaWikiServices::getInstance()->getCommentStore()
|
|
->getComment( 'description', (object)$decoded )->text;
|
|
|
|
$decoded['user'] = User::newFromAnyId(
|
|
$decoded['user'] ?? null,
|
|
$decoded['user_text'] ?? null,
|
|
$decoded['actor'] ?? null
|
|
);
|
|
unset( $decoded['user_text'], $decoded['actor'] );
|
|
|
|
$decoded['timestamp'] = wfTimestamp( TS_MW, $decoded['timestamp'] );
|
|
|
|
$decoded['metadata'] = $this->repo->getReplicaDB()->decodeBlob( $decoded['metadata'] );
|
|
|
|
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" );
|
|
|
|
// Normalize some fields to integer type, per their database definition.
|
|
// Use unary + so that overflows will be upgraded to double instead of
|
|
// being trucated as with intval(). This is important to allow >2GB
|
|
// files on 32-bit systems.
|
|
foreach ( [ 'size', 'width', 'height', 'bits' ] as $field ) {
|
|
$decoded[$field] = +$decoded[$field];
|
|
}
|
|
|
|
return $decoded;
|
|
}
|
|
|
|
/**
|
|
* Load file metadata from a DB result row
|
|
*
|
|
* @param object $row
|
|
* @param string $prefix
|
|
*/
|
|
function loadFromRow( $row, $prefix = 'img_' ) {
|
|
$this->dataLoaded = true;
|
|
$this->extraDataLoaded = true;
|
|
|
|
$array = $this->decodeRow( $row, $prefix );
|
|
|
|
foreach ( $array as $name => $value ) {
|
|
$this->$name = $value;
|
|
}
|
|
|
|
$this->fileExists = true;
|
|
$this->maybeUpgradeRow();
|
|
}
|
|
|
|
/**
|
|
* Load file metadata from cache or DB, unless already loaded
|
|
* @param int $flags
|
|
*/
|
|
function load( $flags = 0 ) {
|
|
if ( !$this->dataLoaded ) {
|
|
if ( $flags & self::READ_LATEST ) {
|
|
$this->loadFromDB( $flags );
|
|
} else {
|
|
$this->loadFromCache();
|
|
}
|
|
}
|
|
|
|
if ( ( $flags & self::LOAD_ALL ) && !$this->extraDataLoaded ) {
|
|
// @note: loads on name/timestamp to reduce race condition problems
|
|
$this->loadExtraFromDB();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Upgrade a row if it needs it
|
|
*/
|
|
function maybeUpgradeRow() {
|
|
global $wgUpdateCompatibleMetadata;
|
|
|
|
if ( wfReadOnly() || $this->upgrading ) {
|
|
return;
|
|
}
|
|
|
|
$upgrade = false;
|
|
if ( is_null( $this->media_type ) || $this->mime == 'image/svg' ) {
|
|
$upgrade = true;
|
|
} else {
|
|
$handler = $this->getHandler();
|
|
if ( $handler ) {
|
|
$validity = $handler->isMetadataValid( $this, $this->getMetadata() );
|
|
if ( $validity === MediaHandler::METADATA_BAD ) {
|
|
$upgrade = true;
|
|
} elseif ( $validity === MediaHandler::METADATA_COMPATIBLE ) {
|
|
$upgrade = $wgUpdateCompatibleMetadata;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( $upgrade ) {
|
|
$this->upgrading = true;
|
|
// Defer updates unless in auto-commit CLI mode
|
|
DeferredUpdates::addCallableUpdate( function () {
|
|
$this->upgrading = false; // avoid duplicate updates
|
|
try {
|
|
$this->upgradeRow();
|
|
} catch ( LocalFileLockError $e ) {
|
|
// let the other process handle it (or do it next time)
|
|
}
|
|
} );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @return bool Whether upgradeRow() ran for this object
|
|
*/
|
|
function getUpgraded() {
|
|
return $this->upgraded;
|
|
}
|
|
|
|
/**
|
|
* Fix assorted version-related problems with the image row by reloading it from the file
|
|
*/
|
|
function upgradeRow() {
|
|
$this->lock(); // begin
|
|
|
|
$this->loadFromFile();
|
|
|
|
# Don't destroy file info of missing files
|
|
if ( !$this->fileExists ) {
|
|
$this->unlock();
|
|
wfDebug( __METHOD__ . ": file does not exist, aborting\n" );
|
|
|
|
return;
|
|
}
|
|
|
|
$dbw = $this->repo->getMasterDB();
|
|
list( $major, $minor ) = self::splitMime( $this->mime );
|
|
|
|
if ( wfReadOnly() ) {
|
|
$this->unlock();
|
|
|
|
return;
|
|
}
|
|
wfDebug( __METHOD__ . ': upgrading ' . $this->getName() . " to the current schema\n" );
|
|
|
|
$dbw->update( 'image',
|
|
[
|
|
'img_size' => $this->size, // sanity
|
|
'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' => $dbw->encodeBlob( $this->metadata ),
|
|
'img_sha1' => $this->sha1,
|
|
],
|
|
[ 'img_name' => $this->getName() ],
|
|
__METHOD__
|
|
);
|
|
|
|
$this->invalidateCache();
|
|
|
|
$this->unlock(); // done
|
|
$this->upgraded = true; // avoid rework/retries
|
|
}
|
|
|
|
/**
|
|
* Set properties in this object to be equal to those given in the
|
|
* associative array $info. Only cacheable fields can be set.
|
|
* All fields *must* be set in $info except for getLazyCacheFields().
|
|
*
|
|
* If 'mime' is given, it will be split into major_mime/minor_mime.
|
|
* If major_mime/minor_mime are given, $this->mime will also be set.
|
|
*
|
|
* @param array $info
|
|
*/
|
|
function setProps( $info ) {
|
|
$this->dataLoaded = true;
|
|
$fields = $this->getCacheFields( '' );
|
|
$fields[] = 'fileExists';
|
|
|
|
foreach ( $fields as $field ) {
|
|
if ( isset( $info[$field] ) ) {
|
|
$this->$field = $info[$field];
|
|
}
|
|
}
|
|
|
|
if ( isset( $info['user'] ) || isset( $info['user_text'] ) || isset( $info['actor'] ) ) {
|
|
$this->user = User::newFromAnyId(
|
|
$info['user'] ?? null,
|
|
$info['user_text'] ?? null,
|
|
$info['actor'] ?? null
|
|
);
|
|
}
|
|
|
|
// Fix up mime fields
|
|
if ( isset( $info['major_mime'] ) ) {
|
|
$this->mime = "{$info['major_mime']}/{$info['minor_mime']}";
|
|
} elseif ( isset( $info['mime'] ) ) {
|
|
$this->mime = $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 */
|
|
/** isVisible inherited */
|
|
|
|
/**
|
|
* @return bool
|
|
*/
|
|
function isMissing() {
|
|
if ( $this->missing === null ) {
|
|
list( $fileExists ) = $this->repo->fileExists( $this->getVirtualUrl() );
|
|
$this->missing = !$fileExists;
|
|
}
|
|
|
|
return $this->missing;
|
|
}
|
|
|
|
/**
|
|
* Return the width of the image
|
|
*
|
|
* @param int $page
|
|
* @return int
|
|
*/
|
|
public function getWidth( $page = 1 ) {
|
|
$page = (int)$page;
|
|
if ( $page < 1 ) {
|
|
$page = 1;
|
|
}
|
|
|
|
$this->load();
|
|
|
|
if ( $this->isMultipage() ) {
|
|
$handler = $this->getHandler();
|
|
if ( !$handler ) {
|
|
return 0;
|
|
}
|
|
$dim = $handler->getPageDimensions( $this, $page );
|
|
if ( $dim ) {
|
|
return $dim['width'];
|
|
} else {
|
|
// For non-paged media, the false goes through an
|
|
// intval, turning failure into 0, so do same here.
|
|
return 0;
|
|
}
|
|
} else {
|
|
return $this->width;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return the height of the image
|
|
*
|
|
* @param int $page
|
|
* @return int
|
|
*/
|
|
public function getHeight( $page = 1 ) {
|
|
$page = (int)$page;
|
|
if ( $page < 1 ) {
|
|
$page = 1;
|
|
}
|
|
|
|
$this->load();
|
|
|
|
if ( $this->isMultipage() ) {
|
|
$handler = $this->getHandler();
|
|
if ( !$handler ) {
|
|
return 0;
|
|
}
|
|
$dim = $handler->getPageDimensions( $this, $page );
|
|
if ( $dim ) {
|
|
return $dim['height'];
|
|
} else {
|
|
// For non-paged media, the false goes through an
|
|
// intval, turning failure into 0, so do same here.
|
|
return 0;
|
|
}
|
|
} else {
|
|
return $this->height;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns user who uploaded the file
|
|
*
|
|
* @param string $type 'text', 'id', or 'object'
|
|
* @return int|string|User
|
|
* @since 1.31 Added 'object'
|
|
*/
|
|
function getUser( $type = 'text' ) {
|
|
$this->load();
|
|
|
|
if ( $type === 'object' ) {
|
|
return $this->user;
|
|
} elseif ( $type === 'text' ) {
|
|
return $this->user->getName();
|
|
} elseif ( $type === 'id' ) {
|
|
return $this->user->getId();
|
|
}
|
|
|
|
throw new MWException( "Unknown type '$type'." );
|
|
}
|
|
|
|
/**
|
|
* Get short description URL for a file based on the page ID.
|
|
*
|
|
* @return string|null
|
|
* @throws MWException
|
|
* @since 1.27
|
|
*/
|
|
public function getDescriptionShortUrl() {
|
|
$pageId = $this->title->getArticleID();
|
|
|
|
if ( $pageId !== null ) {
|
|
$url = $this->repo->makeUrl( [ 'curid' => $pageId ] );
|
|
if ( $url !== false ) {
|
|
return $url;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Get handler-specific metadata
|
|
* @return string
|
|
*/
|
|
function getMetadata() {
|
|
$this->load( self::LOAD_ALL ); // large metadata is loaded in another step
|
|
return $this->metadata;
|
|
}
|
|
|
|
/**
|
|
* @return int
|
|
*/
|
|
function getBitDepth() {
|
|
$this->load();
|
|
|
|
return (int)$this->bits;
|
|
}
|
|
|
|
/**
|
|
* Returns the size of the image file, in bytes
|
|
* @return int
|
|
*/
|
|
public function getSize() {
|
|
$this->load();
|
|
|
|
return $this->size;
|
|
}
|
|
|
|
/**
|
|
* Returns the MIME type of the file.
|
|
* @return string
|
|
*/
|
|
function getMimeType() {
|
|
$this->load();
|
|
|
|
return $this->mime;
|
|
}
|
|
|
|
/**
|
|
* Returns the type of the media in the file.
|
|
* Use the value returned by this function with the MEDIATYPE_xxx constants.
|
|
* @return string
|
|
*/
|
|
function getMediaType() {
|
|
$this->load();
|
|
|
|
return $this->media_type;
|
|
}
|
|
|
|
/** canRender inherited */
|
|
/** mustRender inherited */
|
|
/** allowInlineDisplay inherited */
|
|
/** isSafeFile inherited */
|
|
/** isTrustedFile inherited */
|
|
|
|
/**
|
|
* Returns true if the file exists on disk.
|
|
* @return bool Whether file exist on disk.
|
|
*/
|
|
public function exists() {
|
|
$this->load();
|
|
|
|
return $this->fileExists;
|
|
}
|
|
|
|
/** getTransformScript inherited */
|
|
/** getUnscaledThumb inherited */
|
|
/** thumbName inherited */
|
|
/** createThumb inherited */
|
|
/** transform inherited */
|
|
|
|
/** getHandler inherited */
|
|
/** iconThumb inherited */
|
|
/** getLastError inherited */
|
|
|
|
/**
|
|
* Get all thumbnail names previously generated for this file
|
|
* @param string|bool $archiveName Name of an archive file, default false
|
|
* @return array First element is the base dir, then files in that base dir.
|
|
*/
|
|
function getThumbnails( $archiveName = false ) {
|
|
if ( $archiveName ) {
|
|
$dir = $this->getArchiveThumbPath( $archiveName );
|
|
} else {
|
|
$dir = $this->getThumbPath();
|
|
}
|
|
|
|
$backend = $this->repo->getBackend();
|
|
$files = [ $dir ];
|
|
try {
|
|
$iterator = $backend->getFileList( [ 'dir' => $dir ] );
|
|
foreach ( $iterator as $file ) {
|
|
$files[] = $file;
|
|
}
|
|
} catch ( FileBackendError $e ) {
|
|
} // suppress (T56674)
|
|
|
|
return $files;
|
|
}
|
|
|
|
/**
|
|
* Refresh metadata in memcached, but don't touch thumbnails or CDN
|
|
*/
|
|
function purgeMetadataCache() {
|
|
$this->invalidateCache();
|
|
}
|
|
|
|
/**
|
|
* Delete all previously generated thumbnails, refresh metadata in memcached and purge the CDN.
|
|
*
|
|
* @param array $options An array potentially with the key forThumbRefresh.
|
|
*
|
|
* @note This used to purge old thumbnails by default as well, but doesn't anymore.
|
|
*/
|
|
function purgeCache( $options = [] ) {
|
|
// Refresh metadata cache
|
|
$this->purgeMetadataCache();
|
|
|
|
// Delete thumbnails
|
|
$this->purgeThumbnails( $options );
|
|
|
|
// Purge CDN cache for this file
|
|
DeferredUpdates::addUpdate(
|
|
new CdnCacheUpdate( [ $this->getUrl() ] ),
|
|
DeferredUpdates::PRESEND
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Delete cached transformed files for an archived version only.
|
|
* @param string $archiveName Name of the archived file
|
|
*/
|
|
function purgeOldThumbnails( $archiveName ) {
|
|
// Get a list of old thumbnails and URLs
|
|
$files = $this->getThumbnails( $archiveName );
|
|
|
|
// Purge any custom thumbnail caches
|
|
Hooks::run( 'LocalFilePurgeThumbnails', [ $this, $archiveName ] );
|
|
|
|
// Delete thumbnails
|
|
$dir = array_shift( $files );
|
|
$this->purgeThumbList( $dir, $files );
|
|
|
|
// Purge the CDN
|
|
$urls = [];
|
|
foreach ( $files as $file ) {
|
|
$urls[] = $this->getArchiveThumbUrl( $archiveName, $file );
|
|
}
|
|
DeferredUpdates::addUpdate( new CdnCacheUpdate( $urls ), DeferredUpdates::PRESEND );
|
|
}
|
|
|
|
/**
|
|
* Delete cached transformed files for the current version only.
|
|
* @param array $options
|
|
*/
|
|
public function purgeThumbnails( $options = [] ) {
|
|
$files = $this->getThumbnails();
|
|
// Always purge all files from CDN regardless of handler filters
|
|
$urls = [];
|
|
foreach ( $files as $file ) {
|
|
$urls[] = $this->getThumbUrl( $file );
|
|
}
|
|
array_shift( $urls ); // don't purge directory
|
|
|
|
// Give media handler a chance to filter the file purge list
|
|
if ( !empty( $options['forThumbRefresh'] ) ) {
|
|
$handler = $this->getHandler();
|
|
if ( $handler ) {
|
|
$handler->filterThumbnailPurgeList( $files, $options );
|
|
}
|
|
}
|
|
|
|
// Purge any custom thumbnail caches
|
|
Hooks::run( 'LocalFilePurgeThumbnails', [ $this, false ] );
|
|
|
|
// Delete thumbnails
|
|
$dir = array_shift( $files );
|
|
$this->purgeThumbList( $dir, $files );
|
|
|
|
// Purge the CDN
|
|
DeferredUpdates::addUpdate( new CdnCacheUpdate( $urls ), DeferredUpdates::PRESEND );
|
|
}
|
|
|
|
/**
|
|
* Prerenders a configurable set of thumbnails
|
|
*
|
|
* @since 1.28
|
|
*/
|
|
public function prerenderThumbnails() {
|
|
global $wgUploadThumbnailRenderMap;
|
|
|
|
$jobs = [];
|
|
|
|
$sizes = $wgUploadThumbnailRenderMap;
|
|
rsort( $sizes );
|
|
|
|
foreach ( $sizes as $size ) {
|
|
if ( $this->isVectorized() || $this->getWidth() > $size ) {
|
|
$jobs[] = new ThumbnailRenderJob(
|
|
$this->getTitle(),
|
|
[ 'transformParams' => [ 'width' => $size ] ]
|
|
);
|
|
}
|
|
}
|
|
|
|
if ( $jobs ) {
|
|
JobQueueGroup::singleton()->lazyPush( $jobs );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Delete a list of thumbnails visible at urls
|
|
* @param string $dir Base dir of the files.
|
|
* @param array $files Array of strings: relative filenames (to $dir)
|
|
*/
|
|
protected function purgeThumbList( $dir, $files ) {
|
|
$fileListDebug = strtr(
|
|
var_export( $files, true ),
|
|
[ "\n" => '' ]
|
|
);
|
|
wfDebug( __METHOD__ . ": $fileListDebug\n" );
|
|
|
|
$purgeList = [];
|
|
foreach ( $files as $file ) {
|
|
if ( $this->repo->supportsSha1URLs() ) {
|
|
$reference = $this->getSha1();
|
|
} else {
|
|
$reference = $this->getName();
|
|
}
|
|
|
|
# Check that the reference (filename or sha1) is part of the thumb name
|
|
# This is a basic sanity check to avoid erasing unrelated directories
|
|
if ( strpos( $file, $reference ) !== false
|
|
|| strpos( $file, "-thumbnail" ) !== false // "short" thumb name
|
|
) {
|
|
$purgeList[] = "{$dir}/{$file}";
|
|
}
|
|
}
|
|
|
|
# Delete the thumbnails
|
|
$this->repo->quickPurgeBatch( $purgeList );
|
|
# Clear out the thumbnail directory if empty
|
|
$this->repo->quickCleanDir( $dir );
|
|
}
|
|
|
|
/** purgeDescription inherited */
|
|
/** purgeEverything inherited */
|
|
|
|
/**
|
|
* @param int|null $limit Optional: Limit to number of results
|
|
* @param string|int|null $start Optional: Timestamp, start from
|
|
* @param string|int|null $end Optional: Timestamp, end at
|
|
* @param bool $inc
|
|
* @return OldLocalFile[]
|
|
*/
|
|
function getHistory( $limit = null, $start = null, $end = null, $inc = true ) {
|
|
$dbr = $this->repo->getReplicaDB();
|
|
$oldFileQuery = OldLocalFile::getQueryInfo();
|
|
|
|
$tables = $oldFileQuery['tables'];
|
|
$fields = $oldFileQuery['fields'];
|
|
$join_conds = $oldFileQuery['joins'];
|
|
$conds = $opts = [];
|
|
$eq = $inc ? '=' : '';
|
|
$conds[] = "oi_name = " . $dbr->addQuotes( $this->title->getDBkey() );
|
|
|
|
if ( $start ) {
|
|
$conds[] = "oi_timestamp <$eq " . $dbr->addQuotes( $dbr->timestamp( $start ) );
|
|
}
|
|
|
|
if ( $end ) {
|
|
$conds[] = "oi_timestamp >$eq " . $dbr->addQuotes( $dbr->timestamp( $end ) );
|
|
}
|
|
|
|
if ( $limit ) {
|
|
$opts['LIMIT'] = $limit;
|
|
}
|
|
|
|
// Search backwards for time > x queries
|
|
$order = ( !$start && $end !== null ) ? 'ASC' : 'DESC';
|
|
$opts['ORDER BY'] = "oi_timestamp $order";
|
|
$opts['USE INDEX'] = [ 'oldimage' => 'oi_name_timestamp' ];
|
|
|
|
// Avoid PHP 7.1 warning from passing $this by reference
|
|
$localFile = $this;
|
|
Hooks::run( 'LocalFile::getHistory', [ &$localFile, &$tables, &$fields,
|
|
&$conds, &$opts, &$join_conds ] );
|
|
|
|
$res = $dbr->select( $tables, $fields, $conds, __METHOD__, $opts, $join_conds );
|
|
$r = [];
|
|
|
|
foreach ( $res as $row ) {
|
|
$r[] = $this->repo->newFileFromRow( $row );
|
|
}
|
|
|
|
if ( $order == 'ASC' ) {
|
|
$r = array_reverse( $r ); // make sure it ends up descending
|
|
}
|
|
|
|
return $r;
|
|
}
|
|
|
|
/**
|
|
* Returns 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
|
|
* @return bool
|
|
*/
|
|
public function nextHistoryLine() {
|
|
# Polymorphic function name to distinguish foreign and local fetches
|
|
$fname = static::class . '::' . __FUNCTION__;
|
|
|
|
$dbr = $this->repo->getReplicaDB();
|
|
|
|
if ( $this->historyLine == 0 ) { // called for the first time, return line from cur
|
|
$fileQuery = self::getQueryInfo();
|
|
$this->historyRes = $dbr->select( $fileQuery['tables'],
|
|
$fileQuery['fields'] + [
|
|
'oi_archive_name' => $dbr->addQuotes( '' ),
|
|
'oi_deleted' => 0,
|
|
],
|
|
[ 'img_name' => $this->title->getDBkey() ],
|
|
$fname,
|
|
[],
|
|
$fileQuery['joins']
|
|
);
|
|
|
|
if ( 0 == $dbr->numRows( $this->historyRes ) ) {
|
|
$this->historyRes = null;
|
|
|
|
return false;
|
|
}
|
|
} elseif ( $this->historyLine == 1 ) {
|
|
$fileQuery = OldLocalFile::getQueryInfo();
|
|
$this->historyRes = $dbr->select(
|
|
$fileQuery['tables'],
|
|
$fileQuery['fields'],
|
|
[ 'oi_name' => $this->title->getDBkey() ],
|
|
$fname,
|
|
[ 'ORDER BY' => 'oi_timestamp DESC' ],
|
|
$fileQuery['joins']
|
|
);
|
|
}
|
|
$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->historyRes = null;
|
|
}
|
|
}
|
|
|
|
/** getHashPath inherited */
|
|
/** getRel inherited */
|
|
/** getUrlRel inherited */
|
|
/** getArchiveRel 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|FSFile $src Source storage path, virtual URL, or filesystem path
|
|
* @param string $comment Upload description
|
|
* @param string $pageText Text to use for the new description page,
|
|
* if a new description page is created
|
|
* @param int|bool $flags Flags for publish()
|
|
* @param array|bool $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|bool $timestamp Timestamp for img_timestamp, or false to use the
|
|
* current time
|
|
* @param User|null $user User object or null to use $wgUser
|
|
* @param string[] $tags Change tags to add to the log entry and page revision.
|
|
* (This doesn't check $user's permissions.)
|
|
* @param bool $createNullRevision Set to false to avoid creation of a null revision on file
|
|
* upload, see T193621
|
|
* @return Status On success, the value member contains the
|
|
* archive name, or an empty string if it was a new file.
|
|
*/
|
|
function upload( $src, $comment, $pageText, $flags = 0, $props = false,
|
|
$timestamp = false, $user = null, $tags = [],
|
|
$createNullRevision = true
|
|
) {
|
|
if ( $this->getRepo()->getReadOnlyReason() !== false ) {
|
|
return $this->readOnlyFatalStatus();
|
|
} elseif ( MediaWikiServices::getInstance()->getRevisionStore()->isReadOnly() ) {
|
|
// Check this in advance to avoid writing to FileBackend and the file tables,
|
|
// only to fail on insert the revision due to the text store being unavailable.
|
|
return $this->readOnlyFatalStatus();
|
|
}
|
|
|
|
$srcPath = ( $src instanceof FSFile ) ? $src->getPath() : $src;
|
|
if ( !$props ) {
|
|
if ( $this->repo->isVirtualUrl( $srcPath )
|
|
|| FileBackend::isStoragePath( $srcPath )
|
|
) {
|
|
$props = $this->repo->getFileProps( $srcPath );
|
|
} else {
|
|
$mwProps = new MWFileProps( MediaWikiServices::getInstance()->getMimeAnalyzer() );
|
|
$props = $mwProps->getPropsFromPath( $srcPath, true );
|
|
}
|
|
}
|
|
|
|
$options = [];
|
|
$handler = MediaHandler::getHandler( $props['mime'] );
|
|
if ( $handler ) {
|
|
$metadata = Wikimedia\quietCall( 'unserialize', $props['metadata'] );
|
|
|
|
if ( !is_array( $metadata ) ) {
|
|
$metadata = [];
|
|
}
|
|
|
|
$options['headers'] = $handler->getContentHeaders( $metadata );
|
|
} else {
|
|
$options['headers'] = [];
|
|
}
|
|
|
|
// Trim spaces on user supplied text
|
|
$comment = trim( $comment );
|
|
|
|
$this->lock(); // begin
|
|
$status = $this->publish( $src, $flags, $options );
|
|
|
|
if ( $status->successCount >= 2 ) {
|
|
// There will be a copy+(one of move,copy,store).
|
|
// The first succeeding does not commit us to updating the DB
|
|
// since it simply copied the current version to a timestamped file name.
|
|
// It is only *preferable* to avoid leaving such files orphaned.
|
|
// Once the second operation goes through, then the current version was
|
|
// updated and we must therefore update the DB too.
|
|
$oldver = $status->value;
|
|
$uploadStatus = $this->recordUpload2(
|
|
$oldver,
|
|
$comment,
|
|
$pageText,
|
|
$props,
|
|
$timestamp,
|
|
$user,
|
|
$tags,
|
|
$createNullRevision
|
|
);
|
|
if ( !$uploadStatus->isOK() ) {
|
|
if ( $uploadStatus->hasMessage( 'filenotfound' ) ) {
|
|
// update filenotfound error with more specific path
|
|
$status->fatal( 'filenotfound', $srcPath );
|
|
} else {
|
|
$status->merge( $uploadStatus );
|
|
}
|
|
}
|
|
}
|
|
|
|
$this->unlock(); // done
|
|
|
|
return $status;
|
|
}
|
|
|
|
/**
|
|
* Record a file upload in the upload log and the image table
|
|
* @param string $oldver
|
|
* @param string $desc
|
|
* @param string $license
|
|
* @param string $copyStatus
|
|
* @param string $source
|
|
* @param bool $watch
|
|
* @param string|bool $timestamp
|
|
* @param User|null $user User object or null to use $wgUser
|
|
* @return bool
|
|
*/
|
|
function recordUpload( $oldver, $desc, $license = '', $copyStatus = '', $source = '',
|
|
$watch = false, $timestamp = false, User $user = null ) {
|
|
if ( !$user ) {
|
|
global $wgUser;
|
|
$user = $wgUser;
|
|
}
|
|
|
|
$pageText = SpecialUpload::getInitialPageText( $desc, $license, $copyStatus, $source );
|
|
|
|
if ( !$this->recordUpload2( $oldver, $desc, $pageText, false, $timestamp, $user )->isOK() ) {
|
|
return false;
|
|
}
|
|
|
|
if ( $watch ) {
|
|
$user->addWatch( $this->getTitle() );
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Record a file upload in the upload log and the image table
|
|
* @param string $oldver
|
|
* @param string $comment
|
|
* @param string $pageText
|
|
* @param bool|array $props
|
|
* @param string|bool $timestamp
|
|
* @param null|User $user
|
|
* @param string[] $tags
|
|
* @param bool $createNullRevision Set to false to avoid creation of a null revision on file
|
|
* upload, see T193621
|
|
* @return Status
|
|
*/
|
|
function recordUpload2(
|
|
$oldver, $comment, $pageText, $props = false, $timestamp = false, $user = null, $tags = [],
|
|
$createNullRevision = true
|
|
) {
|
|
global $wgCommentTableSchemaMigrationStage, $wgActorTableSchemaMigrationStage;
|
|
|
|
if ( is_null( $user ) ) {
|
|
global $wgUser;
|
|
$user = $wgUser;
|
|
}
|
|
|
|
$dbw = $this->repo->getMasterDB();
|
|
|
|
# Imports or such might force a certain timestamp; otherwise we generate
|
|
# it and can fudge it slightly to keep (name,timestamp) unique on re-upload.
|
|
if ( $timestamp === false ) {
|
|
$timestamp = $dbw->timestamp();
|
|
$allowTimeKludge = true;
|
|
} else {
|
|
$allowTimeKludge = false;
|
|
}
|
|
|
|
$props = $props ?: $this->repo->getFileProps( $this->getVirtualUrl() );
|
|
$props['description'] = $comment;
|
|
$props['user'] = $user->getId();
|
|
$props['user_text'] = $user->getName();
|
|
$props['actor'] = $user->getActorId( $dbw );
|
|
$props['timestamp'] = wfTimestamp( TS_MW, $timestamp ); // DB -> TS_MW
|
|
$this->setProps( $props );
|
|
|
|
# Fail now if the file isn't there
|
|
if ( !$this->fileExists ) {
|
|
wfDebug( __METHOD__ . ": File " . $this->getRel() . " went missing!\n" );
|
|
|
|
return Status::newFatal( 'filenotfound', $this->getRel() );
|
|
}
|
|
|
|
$dbw->startAtomic( __METHOD__ );
|
|
|
|
# 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.
|
|
$commentStore = MediaWikiServices::getInstance()->getCommentStore();
|
|
list( $commentFields, $commentCallback ) =
|
|
$commentStore->insertWithTempTable( $dbw, 'img_description', $comment );
|
|
$actorMigration = ActorMigration::newMigration();
|
|
$actorFields = $actorMigration->getInsertValues( $dbw, 'img_user', $user );
|
|
$dbw->insert( 'image',
|
|
[
|
|
'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_metadata' => $dbw->encodeBlob( $this->metadata ),
|
|
'img_sha1' => $this->sha1
|
|
] + $commentFields + $actorFields,
|
|
__METHOD__,
|
|
'IGNORE'
|
|
);
|
|
$reupload = ( $dbw->affectedRows() == 0 );
|
|
|
|
if ( $reupload ) {
|
|
$row = $dbw->selectRow(
|
|
'image',
|
|
[ 'img_timestamp', 'img_sha1' ],
|
|
[ 'img_name' => $this->getName() ],
|
|
__METHOD__,
|
|
[ 'LOCK IN SHARE MODE' ]
|
|
);
|
|
|
|
if ( $row && $row->img_sha1 === $this->sha1 ) {
|
|
$dbw->endAtomic( __METHOD__ );
|
|
wfDebug( __METHOD__ . ": File " . $this->getRel() . " already exists!\n" );
|
|
$title = Title::newFromText( $this->getName(), NS_FILE );
|
|
return Status::newFatal( 'fileexists-no-change', $title->getPrefixedText() );
|
|
}
|
|
|
|
if ( $allowTimeKludge ) {
|
|
# Use LOCK IN SHARE MODE to ignore any transaction snapshotting
|
|
$lUnixtime = $row ? wfTimestamp( TS_UNIX, $row->img_timestamp ) : false;
|
|
# Avoid a timestamp that is not newer than the last version
|
|
# TODO: the image/oldimage tables should be like page/revision with an ID field
|
|
if ( $lUnixtime && wfTimestamp( TS_UNIX, $timestamp ) <= $lUnixtime ) {
|
|
sleep( 1 ); // fast enough re-uploads would go far in the future otherwise
|
|
$timestamp = $dbw->timestamp( $lUnixtime + 1 );
|
|
$this->timestamp = wfTimestamp( TS_MW, $timestamp ); // DB -> TS_MW
|
|
}
|
|
}
|
|
|
|
$tables = [ 'image' ];
|
|
$fields = [
|
|
'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_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',
|
|
];
|
|
$joins = [];
|
|
|
|
if ( $wgCommentTableSchemaMigrationStage <= MIGRATION_WRITE_BOTH ) {
|
|
$fields['oi_description'] = 'img_description';
|
|
}
|
|
if ( $wgCommentTableSchemaMigrationStage >= MIGRATION_WRITE_BOTH ) {
|
|
$tables[] = 'image_comment_temp';
|
|
$fields['oi_description_id'] = 'imgcomment_description_id';
|
|
$joins['image_comment_temp'] = [
|
|
$wgCommentTableSchemaMigrationStage === MIGRATION_NEW ? 'JOIN' : 'LEFT JOIN',
|
|
[ 'imgcomment_name = img_name' ]
|
|
];
|
|
}
|
|
|
|
if ( $wgCommentTableSchemaMigrationStage !== MIGRATION_OLD &&
|
|
$wgCommentTableSchemaMigrationStage !== MIGRATION_NEW
|
|
) {
|
|
// Upgrade any rows that are still old-style. Otherwise an upgrade
|
|
// might be missed if a deletion happens while the migration script
|
|
// is running.
|
|
$res = $dbw->select(
|
|
[ 'image', 'image_comment_temp' ],
|
|
[ 'img_name', 'img_description' ],
|
|
[ 'img_name' => $this->getName(), 'imgcomment_name' => null ],
|
|
__METHOD__,
|
|
[],
|
|
[ 'image_comment_temp' => [ 'LEFT JOIN', [ 'imgcomment_name = img_name' ] ] ]
|
|
);
|
|
foreach ( $res as $row ) {
|
|
list( , $callback ) = $commentStore->insertWithTempTable(
|
|
$dbw, 'img_description', $row->img_description
|
|
);
|
|
$callback( $row->img_name );
|
|
}
|
|
}
|
|
|
|
if ( $wgActorTableSchemaMigrationStage <= MIGRATION_WRITE_BOTH ) {
|
|
$fields['oi_user'] = 'img_user';
|
|
$fields['oi_user_text'] = 'img_user_text';
|
|
}
|
|
if ( $wgActorTableSchemaMigrationStage >= MIGRATION_WRITE_BOTH ) {
|
|
$fields['oi_actor'] = 'img_actor';
|
|
}
|
|
|
|
if ( $wgActorTableSchemaMigrationStage !== MIGRATION_OLD &&
|
|
$wgActorTableSchemaMigrationStage !== MIGRATION_NEW
|
|
) {
|
|
// Upgrade any rows that are still old-style. Otherwise an upgrade
|
|
// might be missed if a deletion happens while the migration script
|
|
// is running.
|
|
$res = $dbw->select(
|
|
[ 'image' ],
|
|
[ 'img_name', 'img_user', 'img_user_text' ],
|
|
[ 'img_name' => $this->getName(), 'img_actor' => 0 ],
|
|
__METHOD__
|
|
);
|
|
foreach ( $res as $row ) {
|
|
$actorId = User::newFromAnyId( $row->img_user, $row->img_user_text, null )->getActorId( $dbw );
|
|
$dbw->update(
|
|
'image',
|
|
[ 'img_actor' => $actorId ],
|
|
[ 'img_name' => $row->img_name, 'img_actor' => 0 ],
|
|
__METHOD__
|
|
);
|
|
}
|
|
}
|
|
|
|
# (T36993) Note: $oldver can be empty here, if the previous
|
|
# version of the file was broken. Allow registration of the new
|
|
# version to continue anyway, because that's better than having
|
|
# an image that's not fixable by user operations.
|
|
# Collision, this is an update of a file
|
|
# Insert previous contents into oldimage
|
|
$dbw->insertSelect( 'oldimage', $tables, $fields,
|
|
[ 'img_name' => $this->getName() ], __METHOD__, [], [], $joins );
|
|
|
|
# Update the current image row
|
|
$dbw->update( 'image',
|
|
[
|
|
'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_metadata' => $dbw->encodeBlob( $this->metadata ),
|
|
'img_sha1' => $this->sha1
|
|
] + $commentFields + $actorFields,
|
|
[ 'img_name' => $this->getName() ],
|
|
__METHOD__
|
|
);
|
|
if ( $wgCommentTableSchemaMigrationStage > MIGRATION_OLD ) {
|
|
// So $commentCallback can insert the new row
|
|
$dbw->delete( 'image_comment_temp', [ 'imgcomment_name' => $this->getName() ], __METHOD__ );
|
|
}
|
|
}
|
|
$commentCallback( $this->getName() );
|
|
|
|
$descTitle = $this->getTitle();
|
|
$descId = $descTitle->getArticleID();
|
|
$wikiPage = new WikiFilePage( $descTitle );
|
|
$wikiPage->setFile( $this );
|
|
|
|
// Add the log entry...
|
|
$logEntry = new ManualLogEntry( 'upload', $reupload ? 'overwrite' : 'upload' );
|
|
$logEntry->setTimestamp( $this->timestamp );
|
|
$logEntry->setPerformer( $user );
|
|
$logEntry->setComment( $comment );
|
|
$logEntry->setTarget( $descTitle );
|
|
// Allow people using the api to associate log entries with the upload.
|
|
// Log has a timestamp, but sometimes different from upload timestamp.
|
|
$logEntry->setParameters(
|
|
[
|
|
'img_sha1' => $this->sha1,
|
|
'img_timestamp' => $timestamp,
|
|
]
|
|
);
|
|
// Note we keep $logId around since during new image
|
|
// creation, page doesn't exist yet, so log_page = 0
|
|
// but we want it to point to the page we're making,
|
|
// so we later modify the log entry.
|
|
// For a similar reason, we avoid making an RC entry
|
|
// now and wait until the page exists.
|
|
$logId = $logEntry->insert();
|
|
|
|
if ( $descTitle->exists() ) {
|
|
// Use own context to get the action text in content language
|
|
$formatter = LogFormatter::newFromEntry( $logEntry );
|
|
$formatter->setContext( RequestContext::newExtraneousContext( $descTitle ) );
|
|
$editSummary = $formatter->getPlainActionText();
|
|
|
|
$nullRevision = $createNullRevision === false ? null : Revision::newNullRevision(
|
|
$dbw,
|
|
$descId,
|
|
$editSummary,
|
|
false,
|
|
$user
|
|
);
|
|
if ( $nullRevision ) {
|
|
$nullRevision->insertOn( $dbw );
|
|
Hooks::run(
|
|
'NewRevisionFromEditComplete',
|
|
[ $wikiPage, $nullRevision, $nullRevision->getParentId(), $user ]
|
|
);
|
|
$wikiPage->updateRevisionOn( $dbw, $nullRevision );
|
|
// Associate null revision id
|
|
$logEntry->setAssociatedRevId( $nullRevision->getId() );
|
|
}
|
|
|
|
$newPageContent = null;
|
|
} else {
|
|
// Make the description page and RC log entry post-commit
|
|
$newPageContent = ContentHandler::makeContent( $pageText, $descTitle );
|
|
}
|
|
|
|
# Defer purges, page creation, and link updates in case they error out.
|
|
# The most important thing is that files and the DB registry stay synced.
|
|
$dbw->endAtomic( __METHOD__ );
|
|
|
|
# Do some cache purges after final commit so that:
|
|
# a) Changes are more likely to be seen post-purge
|
|
# b) They won't cause rollback of the log publish/update above
|
|
DeferredUpdates::addUpdate(
|
|
new AutoCommitUpdate(
|
|
$dbw,
|
|
__METHOD__,
|
|
function () use (
|
|
$reupload, $wikiPage, $newPageContent, $comment, $user,
|
|
$logEntry, $logId, $descId, $tags
|
|
) {
|
|
# Update memcache after the commit
|
|
$this->invalidateCache();
|
|
|
|
$updateLogPage = false;
|
|
if ( $newPageContent ) {
|
|
# New file page; create the description page.
|
|
# There's already a log entry, so don't make a second RC entry
|
|
# CDN and file cache for the description page are purged by doEditContent.
|
|
$status = $wikiPage->doEditContent(
|
|
$newPageContent,
|
|
$comment,
|
|
EDIT_NEW | EDIT_SUPPRESS_RC,
|
|
false,
|
|
$user
|
|
);
|
|
|
|
if ( isset( $status->value['revision'] ) ) {
|
|
/** @var Revision $rev */
|
|
$rev = $status->value['revision'];
|
|
// Associate new page revision id
|
|
$logEntry->setAssociatedRevId( $rev->getId() );
|
|
}
|
|
// This relies on the resetArticleID() call in WikiPage::insertOn(),
|
|
// which is triggered on $descTitle by doEditContent() above.
|
|
if ( isset( $status->value['revision'] ) ) {
|
|
/** @var Revision $rev */
|
|
$rev = $status->value['revision'];
|
|
$updateLogPage = $rev->getPage();
|
|
}
|
|
} else {
|
|
# Existing file page: invalidate description page cache
|
|
$wikiPage->getTitle()->invalidateCache();
|
|
$wikiPage->getTitle()->purgeSquid();
|
|
# Allow the new file version to be patrolled from the page footer
|
|
Article::purgePatrolFooterCache( $descId );
|
|
}
|
|
|
|
# Update associated rev id. This should be done by $logEntry->insert() earlier,
|
|
# but setAssociatedRevId() wasn't called at that point yet...
|
|
$logParams = $logEntry->getParameters();
|
|
$logParams['associated_rev_id'] = $logEntry->getAssociatedRevId();
|
|
$update = [ 'log_params' => LogEntryBase::makeParamBlob( $logParams ) ];
|
|
if ( $updateLogPage ) {
|
|
# Also log page, in case where we just created it above
|
|
$update['log_page'] = $updateLogPage;
|
|
}
|
|
$this->getRepo()->getMasterDB()->update(
|
|
'logging',
|
|
$update,
|
|
[ 'log_id' => $logId ],
|
|
__METHOD__
|
|
);
|
|
$this->getRepo()->getMasterDB()->insert(
|
|
'log_search',
|
|
[
|
|
'ls_field' => 'associated_rev_id',
|
|
'ls_value' => $logEntry->getAssociatedRevId(),
|
|
'ls_log_id' => $logId,
|
|
],
|
|
__METHOD__
|
|
);
|
|
|
|
# Add change tags, if any
|
|
if ( $tags ) {
|
|
$logEntry->setTags( $tags );
|
|
}
|
|
|
|
# Uploads can be patrolled
|
|
$logEntry->setIsPatrollable( true );
|
|
|
|
# Now that the log entry is up-to-date, make an RC entry.
|
|
$logEntry->publish( $logId );
|
|
|
|
# Run hook for other updates (typically more cache purging)
|
|
Hooks::run( 'FileUpload', [ $this, $reupload, !$newPageContent ] );
|
|
|
|
if ( $reupload ) {
|
|
# Delete old thumbnails
|
|
$this->purgeThumbnails();
|
|
# Remove the old file from the CDN cache
|
|
DeferredUpdates::addUpdate(
|
|
new CdnCacheUpdate( [ $this->getUrl() ] ),
|
|
DeferredUpdates::PRESEND
|
|
);
|
|
} else {
|
|
# Update backlink pages pointing to this title if created
|
|
LinksUpdate::queueRecursiveJobsForTable(
|
|
$this->getTitle(),
|
|
'imagelinks',
|
|
'upload-image',
|
|
$user->getName()
|
|
);
|
|
}
|
|
|
|
$this->prerenderThumbnails();
|
|
}
|
|
),
|
|
DeferredUpdates::PRESEND
|
|
);
|
|
|
|
if ( !$reupload ) {
|
|
# This is a new file, so update the image count
|
|
DeferredUpdates::addUpdate( SiteStatsUpdate::factory( [ 'images' => 1 ] ) );
|
|
}
|
|
|
|
# Invalidate cache for all pages using this file
|
|
DeferredUpdates::addUpdate(
|
|
new HTMLCacheUpdate( $this->getTitle(), 'imagelinks', 'file-upload' )
|
|
);
|
|
|
|
return Status::newGood();
|
|
}
|
|
|
|
/**
|
|
* Move or copy a file to its public location. If a file exists at the
|
|
* destination, move it to an archive. Returns a Status object with
|
|
* the archive name in the "value" member on success.
|
|
*
|
|
* The archive name should be passed through to recordUpload for database
|
|
* registration.
|
|
*
|
|
* @param string|FSFile $src Local filesystem path or virtual URL to the source image
|
|
* @param int $flags A bitwise combination of:
|
|
* File::DELETE_SOURCE Delete the source file, i.e. move rather than copy
|
|
* @param array $options Optional additional parameters
|
|
* @return Status On success, the value member contains the
|
|
* archive name, or an empty string if it was a new file.
|
|
*/
|
|
function publish( $src, $flags = 0, array $options = [] ) {
|
|
return $this->publishTo( $src, $this->getRel(), $flags, $options );
|
|
}
|
|
|
|
/**
|
|
* Move or copy a file to a specified location. Returns a Status
|
|
* object with the archive name in the "value" member on success.
|
|
*
|
|
* The archive name should be passed through to recordUpload for database
|
|
* registration.
|
|
*
|
|
* @param string|FSFile $src Local filesystem path or virtual URL to the source image
|
|
* @param string $dstRel Target relative path
|
|
* @param int $flags A bitwise combination of:
|
|
* File::DELETE_SOURCE Delete the source file, i.e. move rather than copy
|
|
* @param array $options Optional additional parameters
|
|
* @return Status On success, the value member contains the
|
|
* archive name, or an empty string if it was a new file.
|
|
*/
|
|
function publishTo( $src, $dstRel, $flags = 0, array $options = [] ) {
|
|
$srcPath = ( $src instanceof FSFile ) ? $src->getPath() : $src;
|
|
|
|
$repo = $this->getRepo();
|
|
if ( $repo->getReadOnlyReason() !== false ) {
|
|
return $this->readOnlyFatalStatus();
|
|
}
|
|
|
|
$this->lock(); // begin
|
|
|
|
$archiveName = wfTimestamp( TS_MW ) . '!' . $this->getName();
|
|
$archiveRel = 'archive/' . $this->getHashPath() . $archiveName;
|
|
|
|
if ( $repo->hasSha1Storage() ) {
|
|
$sha1 = $repo->isVirtualUrl( $srcPath )
|
|
? $repo->getFileSha1( $srcPath )
|
|
: FSFile::getSha1Base36FromPath( $srcPath );
|
|
/** @var FileBackendDBRepoWrapper $wrapperBackend */
|
|
$wrapperBackend = $repo->getBackend();
|
|
$dst = $wrapperBackend->getPathForSHA1( $sha1 );
|
|
$status = $repo->quickImport( $src, $dst );
|
|
if ( $flags & File::DELETE_SOURCE ) {
|
|
unlink( $srcPath );
|
|
}
|
|
|
|
if ( $this->exists() ) {
|
|
$status->value = $archiveName;
|
|
}
|
|
} else {
|
|
$flags = $flags & File::DELETE_SOURCE ? LocalRepo::DELETE_SOURCE : 0;
|
|
$status = $repo->publish( $srcPath, $dstRel, $archiveRel, $flags, $options );
|
|
|
|
if ( $status->value == 'new' ) {
|
|
$status->value = '';
|
|
} else {
|
|
$status->value = $archiveName;
|
|
}
|
|
}
|
|
|
|
$this->unlock(); // done
|
|
|
|
return $status;
|
|
}
|
|
|
|
/** getLinksTo inherited */
|
|
/** getExifData inherited */
|
|
/** isLocal inherited */
|
|
/** wasDeleted inherited */
|
|
|
|
/**
|
|
* Move file to the new title
|
|
*
|
|
* Move current, old version and all thumbnails
|
|
* to the new filename. Old file is deleted.
|
|
*
|
|
* Cache purging is done; checks for validity
|
|
* and logging are caller's responsibility
|
|
*
|
|
* @param Title $target New file name
|
|
* @return Status
|
|
*/
|
|
function move( $target ) {
|
|
if ( $this->getRepo()->getReadOnlyReason() !== false ) {
|
|
return $this->readOnlyFatalStatus();
|
|
}
|
|
|
|
wfDebugLog( 'imagemove', "Got request to move {$this->name} to " . $target->getText() );
|
|
$batch = new LocalFileMoveBatch( $this, $target );
|
|
|
|
$this->lock(); // begin
|
|
$batch->addCurrent();
|
|
$archiveNames = $batch->addOlds();
|
|
$status = $batch->execute();
|
|
$this->unlock(); // done
|
|
|
|
wfDebugLog( 'imagemove', "Finished moving {$this->name}" );
|
|
|
|
// Purge the source and target files...
|
|
$oldTitleFile = wfLocalFile( $this->title );
|
|
$newTitleFile = wfLocalFile( $target );
|
|
// To avoid slow purges in the transaction, move them outside...
|
|
DeferredUpdates::addUpdate(
|
|
new AutoCommitUpdate(
|
|
$this->getRepo()->getMasterDB(),
|
|
__METHOD__,
|
|
function () use ( $oldTitleFile, $newTitleFile, $archiveNames ) {
|
|
$oldTitleFile->purgeEverything();
|
|
foreach ( $archiveNames as $archiveName ) {
|
|
$oldTitleFile->purgeOldThumbnails( $archiveName );
|
|
}
|
|
$newTitleFile->purgeEverything();
|
|
}
|
|
),
|
|
DeferredUpdates::PRESEND
|
|
);
|
|
|
|
if ( $status->isOK() ) {
|
|
// Now switch the object
|
|
$this->title = $target;
|
|
// Force regeneration of the name and hashpath
|
|
unset( $this->name );
|
|
unset( $this->hashPath );
|
|
}
|
|
|
|
return $status;
|
|
}
|
|
|
|
/**
|
|
* 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 string $reason
|
|
* @param bool $suppress
|
|
* @param User|null $user
|
|
* @return Status
|
|
*/
|
|
function delete( $reason, $suppress = false, $user = null ) {
|
|
if ( $this->getRepo()->getReadOnlyReason() !== false ) {
|
|
return $this->readOnlyFatalStatus();
|
|
}
|
|
|
|
$batch = new LocalFileDeleteBatch( $this, $reason, $suppress, $user );
|
|
|
|
$this->lock(); // begin
|
|
$batch->addCurrent();
|
|
// Get old version relative paths
|
|
$archiveNames = $batch->addOlds();
|
|
$status = $batch->execute();
|
|
$this->unlock(); // done
|
|
|
|
if ( $status->isOK() ) {
|
|
DeferredUpdates::addUpdate( SiteStatsUpdate::factory( [ 'images' => -1 ] ) );
|
|
}
|
|
|
|
// To avoid slow purges in the transaction, move them outside...
|
|
DeferredUpdates::addUpdate(
|
|
new AutoCommitUpdate(
|
|
$this->getRepo()->getMasterDB(),
|
|
__METHOD__,
|
|
function () use ( $archiveNames ) {
|
|
$this->purgeEverything();
|
|
foreach ( $archiveNames as $archiveName ) {
|
|
$this->purgeOldThumbnails( $archiveName );
|
|
}
|
|
}
|
|
),
|
|
DeferredUpdates::PRESEND
|
|
);
|
|
|
|
// Purge the CDN
|
|
$purgeUrls = [];
|
|
foreach ( $archiveNames as $archiveName ) {
|
|
$purgeUrls[] = $this->getArchiveUrl( $archiveName );
|
|
}
|
|
DeferredUpdates::addUpdate( new CdnCacheUpdate( $purgeUrls ), DeferredUpdates::PRESEND );
|
|
|
|
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 string $archiveName
|
|
* @param string $reason
|
|
* @param bool $suppress
|
|
* @param User|null $user
|
|
* @throws MWException Exception on database or file store failure
|
|
* @return Status
|
|
*/
|
|
function deleteOld( $archiveName, $reason, $suppress = false, $user = null ) {
|
|
if ( $this->getRepo()->getReadOnlyReason() !== false ) {
|
|
return $this->readOnlyFatalStatus();
|
|
}
|
|
|
|
$batch = new LocalFileDeleteBatch( $this, $reason, $suppress, $user );
|
|
|
|
$this->lock(); // begin
|
|
$batch->addOld( $archiveName );
|
|
$status = $batch->execute();
|
|
$this->unlock(); // done
|
|
|
|
$this->purgeOldThumbnails( $archiveName );
|
|
if ( $status->isOK() ) {
|
|
$this->purgeDescription();
|
|
}
|
|
|
|
DeferredUpdates::addUpdate(
|
|
new CdnCacheUpdate( [ $this->getArchiveUrl( $archiveName ) ] ),
|
|
DeferredUpdates::PRESEND
|
|
);
|
|
|
|
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 array $versions Set of record ids of deleted items to restore,
|
|
* or empty to restore all revisions.
|
|
* @param bool $unsuppress
|
|
* @return Status
|
|
*/
|
|
function restore( $versions = [], $unsuppress = false ) {
|
|
if ( $this->getRepo()->getReadOnlyReason() !== false ) {
|
|
return $this->readOnlyFatalStatus();
|
|
}
|
|
|
|
$batch = new LocalFileRestoreBatch( $this, $unsuppress );
|
|
|
|
$this->lock(); // begin
|
|
if ( !$versions ) {
|
|
$batch->addAll();
|
|
} else {
|
|
$batch->addIds( $versions );
|
|
}
|
|
$status = $batch->execute();
|
|
if ( $status->isGood() ) {
|
|
$cleanupStatus = $batch->cleanup();
|
|
$cleanupStatus->successCount = 0;
|
|
$cleanupStatus->failCount = 0;
|
|
$status->merge( $cleanupStatus );
|
|
}
|
|
$this->unlock(); // done
|
|
|
|
return $status;
|
|
}
|
|
|
|
/** isMultipage inherited */
|
|
/** pageCount inherited */
|
|
/** scaleHeight inherited */
|
|
/** getImageSize inherited */
|
|
|
|
/**
|
|
* Get the URL of the file description page.
|
|
* @return string
|
|
*/
|
|
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.
|
|
*
|
|
* @param Language|null $lang What language to get description in (Optional)
|
|
* @return string|false
|
|
*/
|
|
function getDescriptionText( $lang = null ) {
|
|
$revision = Revision::newFromTitle( $this->title, false, Revision::READ_NORMAL );
|
|
if ( !$revision ) {
|
|
return false;
|
|
}
|
|
$content = $revision->getContent();
|
|
if ( !$content ) {
|
|
return false;
|
|
}
|
|
$pout = $content->getParserOutput( $this->title, null, new ParserOptions( null, $lang ) );
|
|
|
|
return $pout->getText();
|
|
}
|
|
|
|
/**
|
|
* @param int $audience
|
|
* @param User|null $user
|
|
* @return string
|
|
*/
|
|
function getDescription( $audience = self::FOR_PUBLIC, User $user = null ) {
|
|
$this->load();
|
|
if ( $audience == self::FOR_PUBLIC && $this->isDeleted( self::DELETED_COMMENT ) ) {
|
|
return '';
|
|
} elseif ( $audience == self::FOR_THIS_USER
|
|
&& !$this->userCan( self::DELETED_COMMENT, $user )
|
|
) {
|
|
return '';
|
|
} else {
|
|
return $this->description;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @return bool|string
|
|
*/
|
|
function getTimestamp() {
|
|
$this->load();
|
|
|
|
return $this->timestamp;
|
|
}
|
|
|
|
/**
|
|
* @return bool|string
|
|
*/
|
|
public function getDescriptionTouched() {
|
|
// The DB lookup might return false, e.g. if the file was just deleted, or the shared DB repo
|
|
// itself gets it from elsewhere. To avoid repeating the DB lookups in such a case, we
|
|
// need to differentiate between null (uninitialized) and false (failed to load).
|
|
if ( $this->descriptionTouched === null ) {
|
|
$cond = [
|
|
'page_namespace' => $this->title->getNamespace(),
|
|
'page_title' => $this->title->getDBkey()
|
|
];
|
|
$touched = $this->repo->getReplicaDB()->selectField( 'page', 'page_touched', $cond, __METHOD__ );
|
|
$this->descriptionTouched = $touched ? wfTimestamp( TS_MW, $touched ) : false;
|
|
}
|
|
|
|
return $this->descriptionTouched;
|
|
}
|
|
|
|
/**
|
|
* @return string
|
|
*/
|
|
function getSha1() {
|
|
$this->load();
|
|
// Initialise now if necessary
|
|
if ( $this->sha1 == '' && $this->fileExists ) {
|
|
$this->lock(); // begin
|
|
|
|
$this->sha1 = $this->repo->getFileSha1( $this->getPath() );
|
|
if ( !wfReadOnly() && strval( $this->sha1 ) != '' ) {
|
|
$dbw = $this->repo->getMasterDB();
|
|
$dbw->update( 'image',
|
|
[ 'img_sha1' => $this->sha1 ],
|
|
[ 'img_name' => $this->getName() ],
|
|
__METHOD__ );
|
|
$this->invalidateCache();
|
|
}
|
|
|
|
$this->unlock(); // done
|
|
}
|
|
|
|
return $this->sha1;
|
|
}
|
|
|
|
/**
|
|
* @return bool Whether to cache in RepoGroup (this avoids OOMs)
|
|
*/
|
|
function isCacheable() {
|
|
$this->load();
|
|
|
|
// If extra data (metadata) was not loaded then it must have been large
|
|
return $this->extraDataLoaded
|
|
&& strlen( serialize( $this->metadata ) ) <= self::CACHE_FIELD_MAX_LEN;
|
|
}
|
|
|
|
/**
|
|
* @return Status
|
|
* @since 1.28
|
|
*/
|
|
public function acquireFileLock() {
|
|
return $this->getRepo()->getBackend()->lockFiles(
|
|
[ $this->getPath() ], LockManager::LOCK_EX, 10
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @return Status
|
|
* @since 1.28
|
|
*/
|
|
public function releaseFileLock() {
|
|
return $this->getRepo()->getBackend()->unlockFiles(
|
|
[ $this->getPath() ], LockManager::LOCK_EX
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Start an atomic DB section and lock the image for update
|
|
* or increments a reference counter if the lock is already held
|
|
*
|
|
* This method should not be used outside of LocalFile/LocalFile*Batch
|
|
*
|
|
* @throws LocalFileLockError Throws an error if the lock was not acquired
|
|
* @return bool Whether the file lock owns/spawned the DB transaction
|
|
*/
|
|
public function lock() {
|
|
if ( !$this->locked ) {
|
|
$logger = LoggerFactory::getInstance( 'LocalFile' );
|
|
|
|
$dbw = $this->repo->getMasterDB();
|
|
$makesTransaction = !$dbw->trxLevel();
|
|
$dbw->startAtomic( self::ATOMIC_SECTION_LOCK );
|
|
// T56736: use simple lock to handle when the file does not exist.
|
|
// SELECT FOR UPDATE prevents changes, not other SELECTs with FOR UPDATE.
|
|
// Also, that would cause contention on INSERT of similarly named rows.
|
|
$status = $this->acquireFileLock(); // represents all versions of the file
|
|
if ( !$status->isGood() ) {
|
|
$dbw->endAtomic( self::ATOMIC_SECTION_LOCK );
|
|
$logger->warning( "Failed to lock '{file}'", [ 'file' => $this->name ] );
|
|
|
|
throw new LocalFileLockError( $status );
|
|
}
|
|
// Release the lock *after* commit to avoid row-level contention.
|
|
// Make sure it triggers on rollback() as well as commit() (T132921).
|
|
$dbw->onTransactionResolution(
|
|
function () use ( $logger ) {
|
|
$status = $this->releaseFileLock();
|
|
if ( !$status->isGood() ) {
|
|
$logger->error( "Failed to unlock '{file}'", [ 'file' => $this->name ] );
|
|
}
|
|
},
|
|
__METHOD__
|
|
);
|
|
// Callers might care if the SELECT snapshot is safely fresh
|
|
$this->lockedOwnTrx = $makesTransaction;
|
|
}
|
|
|
|
$this->locked++;
|
|
|
|
return $this->lockedOwnTrx;
|
|
}
|
|
|
|
/**
|
|
* Decrement the lock reference count and end the atomic section if it reaches zero
|
|
*
|
|
* This method should not be used outside of LocalFile/LocalFile*Batch
|
|
*
|
|
* The commit and loc release will happen when no atomic sections are active, which
|
|
* may happen immediately or at some point after calling this
|
|
*/
|
|
public function unlock() {
|
|
if ( $this->locked ) {
|
|
--$this->locked;
|
|
if ( !$this->locked ) {
|
|
$dbw = $this->repo->getMasterDB();
|
|
$dbw->endAtomic( self::ATOMIC_SECTION_LOCK );
|
|
$this->lockedOwnTrx = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @return Status
|
|
*/
|
|
protected function readOnlyFatalStatus() {
|
|
return $this->getRepo()->newFatal( 'filereadonlyerror', $this->getName(),
|
|
$this->getRepo()->getName(), $this->getRepo()->getReadOnlyReason() );
|
|
}
|
|
|
|
/**
|
|
* Clean up any dangling locks
|
|
*/
|
|
function __destruct() {
|
|
$this->unlock();
|
|
}
|
|
} // LocalFile class
|
|
|
|
# ------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Helper class for file deletion
|
|
* @ingroup FileAbstraction
|
|
*/
|
|
class LocalFileDeleteBatch {
|
|
/** @var LocalFile */
|
|
private $file;
|
|
|
|
/** @var string */
|
|
private $reason;
|
|
|
|
/** @var array */
|
|
private $srcRels = [];
|
|
|
|
/** @var array */
|
|
private $archiveUrls = [];
|
|
|
|
/** @var array Items to be processed in the deletion batch */
|
|
private $deletionBatch;
|
|
|
|
/** @var bool Whether to suppress all suppressable fields when deleting */
|
|
private $suppress;
|
|
|
|
/** @var Status */
|
|
private $status;
|
|
|
|
/** @var User */
|
|
private $user;
|
|
|
|
/**
|
|
* @param File $file
|
|
* @param string $reason
|
|
* @param bool $suppress
|
|
* @param User|null $user
|
|
*/
|
|
function __construct( File $file, $reason = '', $suppress = false, $user = null ) {
|
|
$this->file = $file;
|
|
$this->reason = $reason;
|
|
$this->suppress = $suppress;
|
|
if ( $user ) {
|
|
$this->user = $user;
|
|
} else {
|
|
global $wgUser;
|
|
$this->user = $wgUser;
|
|
}
|
|
$this->status = $file->repo->newGood();
|
|
}
|
|
|
|
public function addCurrent() {
|
|
$this->srcRels['.'] = $this->file->getRel();
|
|
}
|
|
|
|
/**
|
|
* @param string $oldName
|
|
*/
|
|
public function addOld( $oldName ) {
|
|
$this->srcRels[$oldName] = $this->file->getArchiveRel( $oldName );
|
|
$this->archiveUrls[] = $this->file->getArchiveUrl( $oldName );
|
|
}
|
|
|
|
/**
|
|
* Add the old versions of the image to the batch
|
|
* @return string[] List of archive names from old versions
|
|
*/
|
|
public function addOlds() {
|
|
$archiveNames = [];
|
|
|
|
$dbw = $this->file->repo->getMasterDB();
|
|
$result = $dbw->select( 'oldimage',
|
|
[ 'oi_archive_name' ],
|
|
[ 'oi_name' => $this->file->getName() ],
|
|
__METHOD__
|
|
);
|
|
|
|
foreach ( $result as $row ) {
|
|
$this->addOld( $row->oi_archive_name );
|
|
$archiveNames[] = $row->oi_archive_name;
|
|
}
|
|
|
|
return $archiveNames;
|
|
}
|
|
|
|
/**
|
|
* @return array
|
|
*/
|
|
protected function getOldRels() {
|
|
if ( !isset( $this->srcRels['.'] ) ) {
|
|
$oldRels =& $this->srcRels;
|
|
$deleteCurrent = false;
|
|
} else {
|
|
$oldRels = $this->srcRels;
|
|
unset( $oldRels['.'] );
|
|
$deleteCurrent = true;
|
|
}
|
|
|
|
return [ $oldRels, $deleteCurrent ];
|
|
}
|
|
|
|
/**
|
|
* @return array
|
|
*/
|
|
protected function getHashes() {
|
|
$hashes = [];
|
|
list( $oldRels, $deleteCurrent ) = $this->getOldRels();
|
|
|
|
if ( $deleteCurrent ) {
|
|
$hashes['.'] = $this->file->getSha1();
|
|
}
|
|
|
|
if ( count( $oldRels ) ) {
|
|
$dbw = $this->file->repo->getMasterDB();
|
|
$res = $dbw->select(
|
|
'oldimage',
|
|
[ 'oi_archive_name', 'oi_sha1' ],
|
|
[ 'oi_archive_name' => array_keys( $oldRels ),
|
|
'oi_name' => $this->file->getName() ], // performance
|
|
__METHOD__
|
|
);
|
|
|
|
foreach ( $res as $row ) {
|
|
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',
|
|
[ 'oi_sha1' => $props['sha1'] ],
|
|
[ '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;
|
|
}
|
|
|
|
protected function doDBInserts() {
|
|
global $wgCommentTableSchemaMigrationStage, $wgActorTableSchemaMigrationStage;
|
|
|
|
$now = time();
|
|
$dbw = $this->file->repo->getMasterDB();
|
|
|
|
$commentStore = MediaWikiServices::getInstance()->getCommentStore();
|
|
$actorMigration = ActorMigration::newMigration();
|
|
|
|
$encTimestamp = $dbw->addQuotes( $dbw->timestamp( $now ) );
|
|
$encUserId = $dbw->addQuotes( $this->user->getId() );
|
|
$encGroup = $dbw->addQuotes( 'deleted' );
|
|
$ext = $this->file->getExtension();
|
|
$dotExt = $ext === '' ? '' : ".$ext";
|
|
$encExt = $dbw->addQuotes( $dotExt );
|
|
list( $oldRels, $deleteCurrent ) = $this->getOldRels();
|
|
|
|
// Bitfields to further suppress the content
|
|
if ( $this->suppress ) {
|
|
$bitfield = Revision::SUPPRESSED_ALL;
|
|
} else {
|
|
$bitfield = 'oi_deleted';
|
|
}
|
|
|
|
if ( $deleteCurrent ) {
|
|
$tables = [ 'image' ];
|
|
$fields = [
|
|
'fa_storage_group' => $encGroup,
|
|
'fa_storage_key' => $dbw->conditional(
|
|
[ 'img_sha1' => '' ],
|
|
$dbw->addQuotes( '' ),
|
|
$dbw->buildConcat( [ "img_sha1", $encExt ] )
|
|
),
|
|
'fa_deleted_user' => $encUserId,
|
|
'fa_deleted_timestamp' => $encTimestamp,
|
|
'fa_deleted' => $this->suppress ? $bitfield : 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_timestamp' => 'img_timestamp',
|
|
'fa_sha1' => 'img_sha1'
|
|
];
|
|
$joins = [];
|
|
|
|
$fields += array_map(
|
|
[ $dbw, 'addQuotes' ],
|
|
$commentStore->insert( $dbw, 'fa_deleted_reason', $this->reason )
|
|
);
|
|
|
|
if ( $wgCommentTableSchemaMigrationStage <= MIGRATION_WRITE_BOTH ) {
|
|
$fields['fa_description'] = 'img_description';
|
|
}
|
|
if ( $wgCommentTableSchemaMigrationStage >= MIGRATION_WRITE_BOTH ) {
|
|
$tables[] = 'image_comment_temp';
|
|
$fields['fa_description_id'] = 'imgcomment_description_id';
|
|
$joins['image_comment_temp'] = [
|
|
$wgCommentTableSchemaMigrationStage === MIGRATION_NEW ? 'JOIN' : 'LEFT JOIN',
|
|
[ 'imgcomment_name = img_name' ]
|
|
];
|
|
}
|
|
|
|
if ( $wgCommentTableSchemaMigrationStage !== MIGRATION_OLD &&
|
|
$wgCommentTableSchemaMigrationStage !== MIGRATION_NEW
|
|
) {
|
|
// Upgrade any rows that are still old-style. Otherwise an upgrade
|
|
// might be missed if a deletion happens while the migration script
|
|
// is running.
|
|
$res = $dbw->select(
|
|
[ 'image', 'image_comment_temp' ],
|
|
[ 'img_name', 'img_description' ],
|
|
[ 'img_name' => $this->file->getName(), 'imgcomment_name' => null ],
|
|
__METHOD__,
|
|
[],
|
|
[ 'image_comment_temp' => [ 'LEFT JOIN', [ 'imgcomment_name = img_name' ] ] ]
|
|
);
|
|
foreach ( $res as $row ) {
|
|
list( , $callback ) = $commentStore->insertWithTempTable(
|
|
$dbw, 'img_description', $row->img_description
|
|
);
|
|
$callback( $row->img_name );
|
|
}
|
|
}
|
|
|
|
if ( $wgActorTableSchemaMigrationStage <= MIGRATION_WRITE_BOTH ) {
|
|
$fields['fa_user'] = 'img_user';
|
|
$fields['fa_user_text'] = 'img_user_text';
|
|
}
|
|
if ( $wgActorTableSchemaMigrationStage >= MIGRATION_WRITE_BOTH ) {
|
|
$fields['fa_actor'] = 'img_actor';
|
|
}
|
|
|
|
if ( $wgActorTableSchemaMigrationStage !== MIGRATION_OLD &&
|
|
$wgActorTableSchemaMigrationStage !== MIGRATION_NEW
|
|
) {
|
|
// Upgrade any rows that are still old-style. Otherwise an upgrade
|
|
// might be missed if a deletion happens while the migration script
|
|
// is running.
|
|
$res = $dbw->select(
|
|
[ 'image' ],
|
|
[ 'img_name', 'img_user', 'img_user_text' ],
|
|
[ 'img_name' => $this->file->getName(), 'img_actor' => 0 ],
|
|
__METHOD__
|
|
);
|
|
foreach ( $res as $row ) {
|
|
$actorId = User::newFromAnyId( $row->img_user, $row->img_user_text, null )->getActorId( $dbw );
|
|
$dbw->update(
|
|
'image',
|
|
[ 'img_actor' => $actorId ],
|
|
[ 'img_name' => $row->img_name, 'img_actor' => 0 ],
|
|
__METHOD__
|
|
);
|
|
}
|
|
}
|
|
|
|
$dbw->insertSelect( 'filearchive', $tables, $fields,
|
|
[ 'img_name' => $this->file->getName() ], __METHOD__, [], [], $joins );
|
|
}
|
|
|
|
if ( count( $oldRels ) ) {
|
|
$fileQuery = OldLocalFile::getQueryInfo();
|
|
$res = $dbw->select(
|
|
$fileQuery['tables'],
|
|
$fileQuery['fields'],
|
|
[
|
|
'oi_name' => $this->file->getName(),
|
|
'oi_archive_name' => array_keys( $oldRels )
|
|
],
|
|
__METHOD__,
|
|
[ 'FOR UPDATE' ],
|
|
$fileQuery['joins']
|
|
);
|
|
$rowsInsert = [];
|
|
if ( $res->numRows() ) {
|
|
$reason = $commentStore->createComment( $dbw, $this->reason );
|
|
foreach ( $res as $row ) {
|
|
$comment = $commentStore->getComment( 'oi_description', $row );
|
|
$user = User::newFromAnyId( $row->oi_user, $row->oi_user_text, $row->oi_actor );
|
|
$rowsInsert[] = [
|
|
// Deletion-specific fields
|
|
'fa_storage_group' => 'deleted',
|
|
'fa_storage_key' => ( $row->oi_sha1 === '' )
|
|
? ''
|
|
: "{$row->oi_sha1}{$dotExt}",
|
|
'fa_deleted_user' => $this->user->getId(),
|
|
'fa_deleted_timestamp' => $dbw->timestamp( $now ),
|
|
// Counterpart fields
|
|
'fa_deleted' => $this->suppress ? $bitfield : $row->oi_deleted,
|
|
'fa_name' => $row->oi_name,
|
|
'fa_archive_name' => $row->oi_archive_name,
|
|
'fa_size' => $row->oi_size,
|
|
'fa_width' => $row->oi_width,
|
|
'fa_height' => $row->oi_height,
|
|
'fa_metadata' => $row->oi_metadata,
|
|
'fa_bits' => $row->oi_bits,
|
|
'fa_media_type' => $row->oi_media_type,
|
|
'fa_major_mime' => $row->oi_major_mime,
|
|
'fa_minor_mime' => $row->oi_minor_mime,
|
|
'fa_timestamp' => $row->oi_timestamp,
|
|
'fa_sha1' => $row->oi_sha1
|
|
] + $commentStore->insert( $dbw, 'fa_deleted_reason', $reason )
|
|
+ $commentStore->insert( $dbw, 'fa_description', $comment )
|
|
+ $actorMigration->getInsertValues( $dbw, 'fa_user', $user );
|
|
}
|
|
}
|
|
|
|
$dbw->insert( 'filearchive', $rowsInsert, __METHOD__ );
|
|
}
|
|
}
|
|
|
|
function doDBDeletes() {
|
|
global $wgCommentTableSchemaMigrationStage;
|
|
|
|
$dbw = $this->file->repo->getMasterDB();
|
|
list( $oldRels, $deleteCurrent ) = $this->getOldRels();
|
|
|
|
if ( count( $oldRels ) ) {
|
|
$dbw->delete( 'oldimage',
|
|
[
|
|
'oi_name' => $this->file->getName(),
|
|
'oi_archive_name' => array_keys( $oldRels )
|
|
], __METHOD__ );
|
|
}
|
|
|
|
if ( $deleteCurrent ) {
|
|
$dbw->delete( 'image', [ 'img_name' => $this->file->getName() ], __METHOD__ );
|
|
if ( $wgCommentTableSchemaMigrationStage > MIGRATION_OLD ) {
|
|
$dbw->delete(
|
|
'image_comment_temp', [ 'imgcomment_name' => $this->file->getName() ], __METHOD__
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Run the transaction
|
|
* @return Status
|
|
*/
|
|
public function execute() {
|
|
$repo = $this->file->getRepo();
|
|
$this->file->lock();
|
|
|
|
// Prepare deletion batch
|
|
$hashes = $this->getHashes();
|
|
$this->deletionBatch = [];
|
|
$ext = $this->file->getExtension();
|
|
$dotExt = $ext === '' ? '' : ".$ext";
|
|
|
|
foreach ( $this->srcRels as $name => $srcRel ) {
|
|
// Skip files that have no hash (e.g. missing DB record, or sha1 field and file source)
|
|
if ( isset( $hashes[$name] ) ) {
|
|
$hash = $hashes[$name];
|
|
$key = $hash . $dotExt;
|
|
$dstRel = $repo->getDeletedHashPath( $key ) . $key;
|
|
$this->deletionBatch[$name] = [ $srcRel, $dstRel ];
|
|
}
|
|
}
|
|
|
|
if ( !$repo->hasSha1Storage() ) {
|
|
// Removes non-existent file from the batch, so we don't get errors.
|
|
// This also handles files in the 'deleted' zone deleted via revision deletion.
|
|
$checkStatus = $this->removeNonexistentFiles( $this->deletionBatch );
|
|
if ( !$checkStatus->isGood() ) {
|
|
$this->status->merge( $checkStatus );
|
|
return $this->status;
|
|
}
|
|
$this->deletionBatch = $checkStatus->value;
|
|
|
|
// Execute the file deletion batch
|
|
$status = $this->file->repo->deleteBatch( $this->deletionBatch );
|
|
if ( !$status->isGood() ) {
|
|
$this->status->merge( $status );
|
|
}
|
|
}
|
|
|
|
if ( !$this->status->isOK() ) {
|
|
// Critical file deletion error; abort
|
|
$this->file->unlock();
|
|
|
|
return $this->status;
|
|
}
|
|
|
|
// Copy the image/oldimage rows to filearchive
|
|
$this->doDBInserts();
|
|
// Delete image/oldimage rows
|
|
$this->doDBDeletes();
|
|
|
|
// Commit and return
|
|
$this->file->unlock();
|
|
|
|
return $this->status;
|
|
}
|
|
|
|
/**
|
|
* Removes non-existent files from a deletion batch.
|
|
* @param array $batch
|
|
* @return Status
|
|
*/
|
|
protected function removeNonexistentFiles( $batch ) {
|
|
$files = $newBatch = [];
|
|
|
|
foreach ( $batch as $batchItem ) {
|
|
list( $src, ) = $batchItem;
|
|
$files[$src] = $this->file->repo->getVirtualUrl( 'public' ) . '/' . rawurlencode( $src );
|
|
}
|
|
|
|
$result = $this->file->repo->fileExistsBatch( $files );
|
|
if ( in_array( null, $result, true ) ) {
|
|
return Status::newFatal( 'backend-fail-internal',
|
|
$this->file->repo->getBackend()->getName() );
|
|
}
|
|
|
|
foreach ( $batch as $batchItem ) {
|
|
if ( $result[$batchItem[0]] ) {
|
|
$newBatch[] = $batchItem;
|
|
}
|
|
}
|
|
|
|
return Status::newGood( $newBatch );
|
|
}
|
|
}
|
|
|
|
# ------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Helper class for file undeletion
|
|
* @ingroup FileAbstraction
|
|
*/
|
|
class LocalFileRestoreBatch {
|
|
/** @var LocalFile */
|
|
private $file;
|
|
|
|
/** @var string[] List of file IDs to restore */
|
|
private $cleanupBatch;
|
|
|
|
/** @var string[] List of file IDs to restore */
|
|
private $ids;
|
|
|
|
/** @var bool Add all revisions of the file */
|
|
private $all;
|
|
|
|
/** @var bool Whether to remove all settings for suppressed fields */
|
|
private $unsuppress = false;
|
|
|
|
/**
|
|
* @param File $file
|
|
* @param bool $unsuppress
|
|
*/
|
|
function __construct( File $file, $unsuppress = false ) {
|
|
$this->file = $file;
|
|
$this->cleanupBatch = [];
|
|
$this->ids = [];
|
|
$this->unsuppress = $unsuppress;
|
|
}
|
|
|
|
/**
|
|
* Add a file by ID
|
|
* @param int $fa_id
|
|
*/
|
|
public function addId( $fa_id ) {
|
|
$this->ids[] = $fa_id;
|
|
}
|
|
|
|
/**
|
|
* Add a whole lot of files by ID
|
|
* @param int[] $ids
|
|
*/
|
|
public function addIds( $ids ) {
|
|
$this->ids = array_merge( $this->ids, $ids );
|
|
}
|
|
|
|
/**
|
|
* Add all revisions of the file
|
|
*/
|
|
public 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()
|
|
* @return Status
|
|
*/
|
|
public function execute() {
|
|
/** @var Language */
|
|
global $wgLang;
|
|
|
|
$repo = $this->file->getRepo();
|
|
if ( !$this->all && !$this->ids ) {
|
|
// Do nothing
|
|
return $repo->newGood();
|
|
}
|
|
|
|
$lockOwnsTrx = $this->file->lock();
|
|
|
|
$dbw = $this->file->repo->getMasterDB();
|
|
|
|
$commentStore = MediaWikiServices::getInstance()->getCommentStore();
|
|
$actorMigration = ActorMigration::newMigration();
|
|
|
|
$status = $this->file->repo->newGood();
|
|
|
|
$exists = (bool)$dbw->selectField( 'image', '1',
|
|
[ 'img_name' => $this->file->getName() ],
|
|
__METHOD__,
|
|
// The lock() should already prevents changes, but this still may need
|
|
// to bypass any transaction snapshot. However, if lock() started the
|
|
// trx (which it probably did) then snapshot is post-lock and up-to-date.
|
|
$lockOwnsTrx ? [] : [ 'LOCK IN SHARE MODE' ]
|
|
);
|
|
|
|
// Fetch all or selected archived revisions for the file,
|
|
// sorted from the most recent to the oldest.
|
|
$conditions = [ 'fa_name' => $this->file->getName() ];
|
|
|
|
if ( !$this->all ) {
|
|
$conditions['fa_id'] = $this->ids;
|
|
}
|
|
|
|
$arFileQuery = ArchivedFile::getQueryInfo();
|
|
$result = $dbw->select(
|
|
$arFileQuery['tables'],
|
|
$arFileQuery['fields'],
|
|
$conditions,
|
|
__METHOD__,
|
|
[ 'ORDER BY' => 'fa_timestamp DESC' ],
|
|
$arFileQuery['joins']
|
|
);
|
|
|
|
$idsPresent = [];
|
|
$storeBatch = [];
|
|
$insertBatch = [];
|
|
$insertCurrent = false;
|
|
$deleteIds = [];
|
|
$first = true;
|
|
$archiveNames = [];
|
|
|
|
foreach ( $result as $row ) {
|
|
$idsPresent[] = $row->fa_id;
|
|
|
|
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 = $repo->getDeletedHashPath( $row->fa_storage_key ) .
|
|
$row->fa_storage_key;
|
|
$deletedUrl = $repo->getVirtualUrl() . '/deleted/' . $deletedRel;
|
|
|
|
if ( isset( $row->fa_sha1 ) ) {
|
|
$sha1 = $row->fa_sha1;
|
|
} else {
|
|
// old row, populate from key
|
|
$sha1 = LocalRepo::getHashFromKey( $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 = [
|
|
'minor_mime' => $row->fa_minor_mime,
|
|
'major_mime' => $row->fa_major_mime,
|
|
'media_type' => $row->fa_media_type,
|
|
'metadata' => $row->fa_metadata
|
|
];
|
|
}
|
|
|
|
$comment = $commentStore->getComment( 'fa_description', $row );
|
|
$user = User::newFromAnyId( $row->fa_user, $row->fa_user_text, $row->fa_actor );
|
|
if ( $first && !$exists ) {
|
|
// This revision will be published as the new current version
|
|
$destRel = $this->file->getRel();
|
|
list( $commentFields, $commentCallback ) =
|
|
$commentStore->insertWithTempTable( $dbw, 'img_description', $comment );
|
|
$actorFields = $actorMigration->getInsertValues( $dbw, 'img_user', $user );
|
|
$insertCurrent = [
|
|
'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_timestamp' => $row->fa_timestamp,
|
|
'img_sha1' => $sha1
|
|
] + $commentFields + $actorFields;
|
|
|
|
// The live (current) version cannot be hidden!
|
|
if ( !$this->unsuppress && $row->fa_deleted ) {
|
|
$status->fatal( 'undeleterevdel' );
|
|
$this->file->unlock();
|
|
return $status;
|
|
}
|
|
} 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[] = [
|
|
'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_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' => $this->unsuppress ? 0 : $row->fa_deleted,
|
|
'oi_sha1' => $sha1
|
|
] + $commentStore->insert( $dbw, 'oi_description', $comment )
|
|
+ $actorMigration->getInsertValues( $dbw, 'oi_user', $user );
|
|
}
|
|
|
|
$deleteIds[] = $row->fa_id;
|
|
|
|
if ( !$this->unsuppress && $row->fa_deleted & File::DELETED_FILE ) {
|
|
// private files can stay where they are
|
|
$status->successCount++;
|
|
} else {
|
|
$storeBatch[] = [ $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', $id );
|
|
}
|
|
|
|
if ( !$repo->hasSha1Storage() ) {
|
|
// Remove missing files from batch, so we don't get errors when undeleting them
|
|
$checkStatus = $this->removeNonexistentFiles( $storeBatch );
|
|
if ( !$checkStatus->isGood() ) {
|
|
$status->merge( $checkStatus );
|
|
return $status;
|
|
}
|
|
$storeBatch = $checkStatus->value;
|
|
|
|
// 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->isGood() ) {
|
|
// Even if some files could be copied, fail entirely as that is the
|
|
// easiest thing to do without data loss
|
|
$this->cleanupFailedBatch( $storeStatus, $storeBatch );
|
|
$status->setOK( false );
|
|
$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__ );
|
|
$commentCallback( $insertCurrent['img_name'] );
|
|
}
|
|
|
|
if ( $insertBatch ) {
|
|
$dbw->insert( 'oldimage', $insertBatch, __METHOD__ );
|
|
}
|
|
|
|
if ( $deleteIds ) {
|
|
$dbw->delete( 'filearchive',
|
|
[ 'fa_id' => $deleteIds ],
|
|
__METHOD__ );
|
|
}
|
|
|
|
// If store batch is empty (all files are missing), deletion is to be considered successful
|
|
if ( $status->successCount > 0 || !$storeBatch || $repo->hasSha1Storage() ) {
|
|
if ( !$exists ) {
|
|
wfDebug( __METHOD__ . " restored {$status->successCount} items, creating a new current\n" );
|
|
|
|
DeferredUpdates::addUpdate( SiteStatsUpdate::factory( [ 'images' => 1 ] ) );
|
|
|
|
$this->file->purgeEverything();
|
|
} else {
|
|
wfDebug( __METHOD__ . " restored {$status->successCount} as archived versions\n" );
|
|
$this->file->purgeDescription();
|
|
}
|
|
}
|
|
|
|
$this->file->unlock();
|
|
|
|
return $status;
|
|
}
|
|
|
|
/**
|
|
* Removes non-existent files from a store batch.
|
|
* @param array $triplets
|
|
* @return Status
|
|
*/
|
|
protected function removeNonexistentFiles( $triplets ) {
|
|
$files = $filteredTriplets = [];
|
|
foreach ( $triplets as $file ) {
|
|
$files[$file[0]] = $file[0];
|
|
}
|
|
|
|
$result = $this->file->repo->fileExistsBatch( $files );
|
|
if ( in_array( null, $result, true ) ) {
|
|
return Status::newFatal( 'backend-fail-internal',
|
|
$this->file->repo->getBackend()->getName() );
|
|
}
|
|
|
|
foreach ( $triplets as $file ) {
|
|
if ( $result[$file[0]] ) {
|
|
$filteredTriplets[] = $file;
|
|
}
|
|
}
|
|
|
|
return Status::newGood( $filteredTriplets );
|
|
}
|
|
|
|
/**
|
|
* Removes non-existent files from a cleanup batch.
|
|
* @param string[] $batch
|
|
* @return string[]
|
|
*/
|
|
protected function removeNonexistentFromCleanup( $batch ) {
|
|
$files = $newBatch = [];
|
|
$repo = $this->file->repo;
|
|
|
|
foreach ( $batch as $file ) {
|
|
$files[$file] = $repo->getVirtualUrl( 'deleted' ) . '/' .
|
|
rawurlencode( $repo->getDeletedHashPath( $file ) . $file );
|
|
}
|
|
|
|
$result = $repo->fileExistsBatch( $files );
|
|
|
|
foreach ( $batch as $file ) {
|
|
if ( $result[$file] ) {
|
|
$newBatch[] = $file;
|
|
}
|
|
}
|
|
|
|
return $newBatch;
|
|
}
|
|
|
|
/**
|
|
* Delete unused files in the deleted zone.
|
|
* This should be called from outside the transaction in which execute() was called.
|
|
* @return Status
|
|
*/
|
|
public function cleanup() {
|
|
if ( !$this->cleanupBatch ) {
|
|
return $this->file->repo->newGood();
|
|
}
|
|
|
|
$this->cleanupBatch = $this->removeNonexistentFromCleanup( $this->cleanupBatch );
|
|
|
|
$status = $this->file->repo->cleanupDeletedBatch( $this->cleanupBatch );
|
|
|
|
return $status;
|
|
}
|
|
|
|
/**
|
|
* Cleanup a failed batch. The batch was only partially successful, so
|
|
* rollback by removing all items that were succesfully copied.
|
|
*
|
|
* @param Status $storeStatus
|
|
* @param array[] $storeBatch
|
|
*/
|
|
protected function cleanupFailedBatch( $storeStatus, $storeBatch ) {
|
|
$cleanupBatch = [];
|
|
|
|
foreach ( $storeStatus->success as $i => $success ) {
|
|
// Check if this item of the batch was successfully copied
|
|
if ( $success ) {
|
|
// Item was successfully copied and needs to be removed again
|
|
// Extract ($dstZone, $dstRel) from the batch
|
|
$cleanupBatch[] = [ $storeBatch[$i][1], $storeBatch[$i][2] ];
|
|
}
|
|
}
|
|
$this->file->repo->cleanupBatch( $cleanupBatch );
|
|
}
|
|
}
|
|
|
|
# ------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Helper class for file movement
|
|
* @ingroup FileAbstraction
|
|
*/
|
|
class LocalFileMoveBatch {
|
|
/** @var LocalFile */
|
|
protected $file;
|
|
|
|
/** @var Title */
|
|
protected $target;
|
|
|
|
protected $cur;
|
|
|
|
protected $olds;
|
|
|
|
protected $oldCount;
|
|
|
|
protected $archive;
|
|
|
|
/** @var IDatabase */
|
|
protected $db;
|
|
|
|
/**
|
|
* @param File $file
|
|
* @param Title $target
|
|
*/
|
|
function __construct( File $file, Title $target ) {
|
|
$this->file = $file;
|
|
$this->target = $target;
|
|
$this->oldHash = $this->file->repo->getHashPath( $this->file->getName() );
|
|
$this->newHash = $this->file->repo->getHashPath( $this->target->getDBkey() );
|
|
$this->oldName = $this->file->getName();
|
|
$this->newName = $this->file->repo->getNameFromTitle( $this->target );
|
|
$this->oldRel = $this->oldHash . $this->oldName;
|
|
$this->newRel = $this->newHash . $this->newName;
|
|
$this->db = $file->getRepo()->getMasterDB();
|
|
}
|
|
|
|
/**
|
|
* Add the current image to the batch
|
|
*/
|
|
public function addCurrent() {
|
|
$this->cur = [ $this->oldRel, $this->newRel ];
|
|
}
|
|
|
|
/**
|
|
* Add the old versions of the image to the batch
|
|
* @return string[] List of archive names from old versions
|
|
*/
|
|
public function addOlds() {
|
|
$archiveBase = 'archive';
|
|
$this->olds = [];
|
|
$this->oldCount = 0;
|
|
$archiveNames = [];
|
|
|
|
$result = $this->db->select( 'oldimage',
|
|
[ 'oi_archive_name', 'oi_deleted' ],
|
|
[ 'oi_name' => $this->oldName ],
|
|
__METHOD__,
|
|
[ 'LOCK IN SHARE MODE' ] // ignore snapshot
|
|
);
|
|
|
|
foreach ( $result as $row ) {
|
|
$archiveNames[] = $row->oi_archive_name;
|
|
$oldName = $row->oi_archive_name;
|
|
$bits = explode( '!', $oldName, 2 );
|
|
|
|
if ( count( $bits ) != 2 ) {
|
|
wfDebug( "Old file name missing !: '$oldName' \n" );
|
|
continue;
|
|
}
|
|
|
|
list( $timestamp, $filename ) = $bits;
|
|
|
|
if ( $this->oldName != $filename ) {
|
|
wfDebug( "Old file name doesn't match: '$oldName' \n" );
|
|
continue;
|
|
}
|
|
|
|
$this->oldCount++;
|
|
|
|
// Do we want to add those to oldCount?
|
|
if ( $row->oi_deleted & File::DELETED_FILE ) {
|
|
continue;
|
|
}
|
|
|
|
$this->olds[] = [
|
|
"{$archiveBase}/{$this->oldHash}{$oldName}",
|
|
"{$archiveBase}/{$this->newHash}{$timestamp}!{$this->newName}"
|
|
];
|
|
}
|
|
|
|
return $archiveNames;
|
|
}
|
|
|
|
/**
|
|
* Perform the move.
|
|
* @return Status
|
|
*/
|
|
public function execute() {
|
|
$repo = $this->file->repo;
|
|
$status = $repo->newGood();
|
|
$destFile = wfLocalFile( $this->target );
|
|
|
|
$this->file->lock(); // begin
|
|
$destFile->lock(); // quickly fail if destination is not available
|
|
|
|
$triplets = $this->getMoveTriplets();
|
|
$checkStatus = $this->removeNonexistentFiles( $triplets );
|
|
if ( !$checkStatus->isGood() ) {
|
|
$destFile->unlock();
|
|
$this->file->unlock();
|
|
$status->merge( $checkStatus ); // couldn't talk to file backend
|
|
return $status;
|
|
}
|
|
$triplets = $checkStatus->value;
|
|
|
|
// Verify the file versions metadata in the DB.
|
|
$statusDb = $this->verifyDBUpdates();
|
|
if ( !$statusDb->isGood() ) {
|
|
$destFile->unlock();
|
|
$this->file->unlock();
|
|
$statusDb->setOK( false );
|
|
|
|
return $statusDb;
|
|
}
|
|
|
|
if ( !$repo->hasSha1Storage() ) {
|
|
// Copy the files into their new location.
|
|
// If a prior process fataled copying or cleaning up files we tolerate any
|
|
// of the existing files if they are identical to the ones being stored.
|
|
$statusMove = $repo->storeBatch( $triplets, FileRepo::OVERWRITE_SAME );
|
|
wfDebugLog( 'imagemove', "Moved files for {$this->file->getName()}: " .
|
|
"{$statusMove->successCount} successes, {$statusMove->failCount} failures" );
|
|
if ( !$statusMove->isGood() ) {
|
|
// Delete any files copied over (while the destination is still locked)
|
|
$this->cleanupTarget( $triplets );
|
|
$destFile->unlock();
|
|
$this->file->unlock();
|
|
wfDebugLog( 'imagemove', "Error in moving files: "
|
|
. $statusMove->getWikiText( false, false, 'en' ) );
|
|
$statusMove->setOK( false );
|
|
|
|
return $statusMove;
|
|
}
|
|
$status->merge( $statusMove );
|
|
}
|
|
|
|
// Rename the file versions metadata in the DB.
|
|
$this->doDBUpdates();
|
|
|
|
wfDebugLog( 'imagemove', "Renamed {$this->file->getName()} in database: " .
|
|
"{$statusDb->successCount} successes, {$statusDb->failCount} failures" );
|
|
|
|
$destFile->unlock();
|
|
$this->file->unlock(); // done
|
|
|
|
// Everything went ok, remove the source files
|
|
$this->cleanupSource( $triplets );
|
|
|
|
$status->merge( $statusDb );
|
|
|
|
return $status;
|
|
}
|
|
|
|
/**
|
|
* Verify the database updates and return a new Status indicating how
|
|
* many rows would be updated.
|
|
*
|
|
* @return Status
|
|
*/
|
|
protected function verifyDBUpdates() {
|
|
$repo = $this->file->repo;
|
|
$status = $repo->newGood();
|
|
$dbw = $this->db;
|
|
|
|
$hasCurrent = $dbw->selectField(
|
|
'image',
|
|
'1',
|
|
[ 'img_name' => $this->oldName ],
|
|
__METHOD__,
|
|
[ 'FOR UPDATE' ]
|
|
);
|
|
$oldRowCount = $dbw->selectRowCount(
|
|
'oldimage',
|
|
'*',
|
|
[ 'oi_name' => $this->oldName ],
|
|
__METHOD__,
|
|
[ 'FOR UPDATE' ]
|
|
);
|
|
|
|
if ( $hasCurrent ) {
|
|
$status->successCount++;
|
|
} else {
|
|
$status->failCount++;
|
|
}
|
|
$status->successCount += $oldRowCount;
|
|
// T36934: oldCount is based on files that actually exist.
|
|
// There may be more DB rows than such files, in which case $affected
|
|
// can be greater than $total. We use max() to avoid negatives here.
|
|
$status->failCount += max( 0, $this->oldCount - $oldRowCount );
|
|
if ( $status->failCount ) {
|
|
$status->error( 'imageinvalidfilename' );
|
|
}
|
|
|
|
return $status;
|
|
}
|
|
|
|
/**
|
|
* Do the database updates and return a new Status indicating how
|
|
* many rows where updated.
|
|
*/
|
|
protected function doDBUpdates() {
|
|
global $wgCommentTableSchemaMigrationStage;
|
|
|
|
$dbw = $this->db;
|
|
|
|
// Update current image
|
|
$dbw->update(
|
|
'image',
|
|
[ 'img_name' => $this->newName ],
|
|
[ 'img_name' => $this->oldName ],
|
|
__METHOD__
|
|
);
|
|
if ( $wgCommentTableSchemaMigrationStage > MIGRATION_OLD ) {
|
|
$dbw->update(
|
|
'image_comment_temp',
|
|
[ 'imgcomment_name' => $this->newName ],
|
|
[ 'imgcomment_name' => $this->oldName ],
|
|
__METHOD__
|
|
);
|
|
}
|
|
|
|
// Update old images
|
|
$dbw->update(
|
|
'oldimage',
|
|
[
|
|
'oi_name' => $this->newName,
|
|
'oi_archive_name = ' . $dbw->strreplace( 'oi_archive_name',
|
|
$dbw->addQuotes( $this->oldName ), $dbw->addQuotes( $this->newName ) ),
|
|
],
|
|
[ 'oi_name' => $this->oldName ],
|
|
__METHOD__
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Generate triplets for FileRepo::storeBatch().
|
|
* @return array[]
|
|
*/
|
|
protected function getMoveTriplets() {
|
|
$moves = array_merge( [ $this->cur ], $this->olds );
|
|
$triplets = []; // The format is: (srcUrl, destZone, destUrl)
|
|
|
|
foreach ( $moves as $move ) {
|
|
// $move: (oldRelativePath, newRelativePath)
|
|
$srcUrl = $this->file->repo->getVirtualUrl() . '/public/' . rawurlencode( $move[0] );
|
|
$triplets[] = [ $srcUrl, 'public', $move[1] ];
|
|
wfDebugLog(
|
|
'imagemove',
|
|
"Generated move triplet for {$this->file->getName()}: {$srcUrl} :: public :: {$move[1]}"
|
|
);
|
|
}
|
|
|
|
return $triplets;
|
|
}
|
|
|
|
/**
|
|
* Removes non-existent files from move batch.
|
|
* @param array $triplets
|
|
* @return Status
|
|
*/
|
|
protected function removeNonexistentFiles( $triplets ) {
|
|
$files = [];
|
|
|
|
foreach ( $triplets as $file ) {
|
|
$files[$file[0]] = $file[0];
|
|
}
|
|
|
|
$result = $this->file->repo->fileExistsBatch( $files );
|
|
if ( in_array( null, $result, true ) ) {
|
|
return Status::newFatal( 'backend-fail-internal',
|
|
$this->file->repo->getBackend()->getName() );
|
|
}
|
|
|
|
$filteredTriplets = [];
|
|
foreach ( $triplets as $file ) {
|
|
if ( $result[$file[0]] ) {
|
|
$filteredTriplets[] = $file;
|
|
} else {
|
|
wfDebugLog( 'imagemove', "File {$file[0]} does not exist" );
|
|
}
|
|
}
|
|
|
|
return Status::newGood( $filteredTriplets );
|
|
}
|
|
|
|
/**
|
|
* Cleanup a partially moved array of triplets by deleting the target
|
|
* files. Called if something went wrong half way.
|
|
* @param array[] $triplets
|
|
*/
|
|
protected function cleanupTarget( $triplets ) {
|
|
// Create dest pairs from the triplets
|
|
$pairs = [];
|
|
foreach ( $triplets as $triplet ) {
|
|
// $triplet: (old source virtual URL, dst zone, dest rel)
|
|
$pairs[] = [ $triplet[1], $triplet[2] ];
|
|
}
|
|
|
|
$this->file->repo->cleanupBatch( $pairs );
|
|
}
|
|
|
|
/**
|
|
* Cleanup a fully moved array of triplets by deleting the source files.
|
|
* Called at the end of the move process if everything else went ok.
|
|
* @param array[] $triplets
|
|
*/
|
|
protected function cleanupSource( $triplets ) {
|
|
// Create source file names from the triplets
|
|
$files = [];
|
|
foreach ( $triplets as $triplet ) {
|
|
$files[] = $triplet[0];
|
|
}
|
|
|
|
$this->file->repo->cleanupBatch( $files );
|
|
}
|
|
}
|
|
|
|
class LocalFileLockError extends ErrorPageError {
|
|
public function __construct( Status $status ) {
|
|
parent::__construct(
|
|
'actionfailed',
|
|
$status->getMessage()
|
|
);
|
|
}
|
|
|
|
public function report() {
|
|
global $wgOut;
|
|
$wgOut->setStatusCode( 429 );
|
|
parent::report();
|
|
}
|
|
}
|