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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | */ |
| 20 | |
| 21 | namespace MediaWiki\FileRepo\File; |
| 22 | |
| 23 | use InvalidArgumentException; |
| 24 | use LockManager; |
| 25 | use MediaHandler; |
| 26 | use MediaWiki\Content\ContentHandler; |
| 27 | use MediaWiki\Context\RequestContext; |
| 28 | use MediaWiki\Deferred\AutoCommitUpdate; |
| 29 | use MediaWiki\Deferred\DeferredUpdates; |
| 30 | use MediaWiki\Deferred\LinksUpdate\LinksUpdate; |
| 31 | use MediaWiki\Deferred\SiteStatsUpdate; |
| 32 | use MediaWiki\FileRepo\FileBackendDBRepoWrapper; |
| 33 | use MediaWiki\FileRepo\FileRepo; |
| 34 | use MediaWiki\FileRepo\LocalRepo; |
| 35 | use MediaWiki\JobQueue\Jobs\HTMLCacheUpdateJob; |
| 36 | use MediaWiki\JobQueue\Jobs\ThumbnailRenderJob; |
| 37 | use MediaWiki\Language\Language; |
| 38 | use MediaWiki\Logger\LoggerFactory; |
| 39 | use MediaWiki\Logging\LogEntryBase; |
| 40 | use MediaWiki\Logging\ManualLogEntry; |
| 41 | use MediaWiki\MainConfigNames; |
| 42 | use MediaWiki\MediaWikiServices; |
| 43 | use MediaWiki\Page\Article; |
| 44 | use MediaWiki\Page\WikiFilePage; |
| 45 | use MediaWiki\Parser\ParserOptions; |
| 46 | use MediaWiki\Permissions\Authority; |
| 47 | use MediaWiki\Revision\SlotRecord; |
| 48 | use MediaWiki\Status\Status; |
| 49 | use MediaWiki\Storage\PageUpdater; |
| 50 | use MediaWiki\Title\Title; |
| 51 | use MediaWiki\User\UserIdentity; |
| 52 | use MediaWiki\User\UserIdentityValue; |
| 53 | use MWFileProps; |
| 54 | use RuntimeException; |
| 55 | use stdClass; |
| 56 | use UnexpectedValueException; |
| 57 | use Wikimedia\FileBackend\FileBackend; |
| 58 | use Wikimedia\FileBackend\FileBackendError; |
| 59 | use Wikimedia\FileBackend\FSFile\FSFile; |
| 60 | use Wikimedia\Rdbms\Blob; |
| 61 | use Wikimedia\Rdbms\Database; |
| 62 | use Wikimedia\Rdbms\IDBAccessObject; |
| 63 | use Wikimedia\Rdbms\IReadableDatabase; |
| 64 | use Wikimedia\Rdbms\IResultWrapper; |
| 65 | use Wikimedia\Rdbms\SelectQueryBuilder; |
| 66 | |
| 67 | /** |
| 68 | * Local file in the wiki's own database. |
| 69 | * |
| 70 | * Provides methods to retrieve paths (physical, logical, URL), |
| 71 | * to generate image thumbnails or for uploading. |
| 72 | * |
| 73 | * Note that only the repo object knows what its file class is called. You should |
| 74 | * never name a file class explicitly outside of the repo class. Instead use the |
| 75 | * repo's factory functions to generate file objects, for example: |
| 76 | * |
| 77 | * RepoGroup::singleton()->getLocalRepo()->newFile( $title ); |
| 78 | * |
| 79 | * Consider the services container below; |
| 80 | * |
| 81 | * $services = MediaWikiServices::getInstance(); |
| 82 | * |
| 83 | * The convenience services $services->getRepoGroup()->getLocalRepo()->newFile() |
| 84 | * and $services->getRepoGroup()->findFile() should be sufficient in most cases. |
| 85 | * |
| 86 | * @TODO: DI - Instead of using MediaWikiServices::getInstance(), a service should |
| 87 | * ideally accept a RepoGroup in its constructor and then, use $this->repoGroup->findFile() |
| 88 | * and $this->repoGroup->getLocalRepo()->newFile(). |
| 89 | * |
| 90 | * @stable to extend |
| 91 | * @ingroup FileAbstraction |
| 92 | */ |
| 93 | class LocalFile extends File { |
| 94 | private const VERSION = 13; // cache version |
| 95 | |
| 96 | private const CACHE_FIELD_MAX_LEN = 1000; |
| 97 | |
| 98 | /** @var string Metadata serialization: empty string. This is a compact non-legacy format. */ |
| 99 | private const MDS_EMPTY = 'empty'; |
| 100 | |
| 101 | /** @var string Metadata serialization: some other string */ |
| 102 | private const MDS_LEGACY = 'legacy'; |
| 103 | |
| 104 | /** @var string Metadata serialization: PHP serialize() */ |
| 105 | private const MDS_PHP = 'php'; |
| 106 | |
| 107 | /** @var string Metadata serialization: JSON */ |
| 108 | private const MDS_JSON = 'json'; |
| 109 | |
| 110 | /** @var int Maximum number of pages for which to trigger render jobs */ |
| 111 | private const MAX_PAGE_RENDER_JOBS = 50; |
| 112 | |
| 113 | /** @var bool Does the file exist on disk? (loadFromXxx) */ |
| 114 | protected $fileExists; |
| 115 | |
| 116 | /** @var int Id of the file */ |
| 117 | private $fileId; |
| 118 | |
| 119 | /** @var int Id of the file type */ |
| 120 | private $fileTypeId; |
| 121 | |
| 122 | /** @var int Image width */ |
| 123 | protected $width; |
| 124 | |
| 125 | /** @var int Image height */ |
| 126 | protected $height; |
| 127 | |
| 128 | /** @var int Returned by getimagesize (loadFromXxx) */ |
| 129 | protected $bits; |
| 130 | |
| 131 | /** @var string MEDIATYPE_xxx (bitmap, drawing, audio...) */ |
| 132 | protected $media_type; |
| 133 | |
| 134 | /** @var string MIME type, determined by MimeAnalyzer::guessMimeType */ |
| 135 | protected $mime; |
| 136 | |
| 137 | /** @var int Size in bytes (loadFromXxx) */ |
| 138 | protected $size; |
| 139 | |
| 140 | /** @var array Unserialized metadata */ |
| 141 | protected $metadataArray = []; |
| 142 | |
| 143 | /** |
| 144 | * One of the MDS_* constants, giving the format of the metadata as stored |
| 145 | * in the DB, or null if the data was not loaded from the DB. |
| 146 | * |
| 147 | * @var string|null |
| 148 | */ |
| 149 | protected $metadataSerializationFormat; |
| 150 | |
| 151 | /** @var string[] Map of metadata item name to blob address */ |
| 152 | protected $metadataBlobs = []; |
| 153 | |
| 154 | /** |
| 155 | * Map of metadata item name to blob address for items that exist but |
| 156 | * have not yet been loaded into $this->metadataArray |
| 157 | * |
| 158 | * @var string[] |
| 159 | */ |
| 160 | protected $unloadedMetadataBlobs = []; |
| 161 | |
| 162 | /** @var string SHA-1 base 36 content hash */ |
| 163 | protected $sha1; |
| 164 | |
| 165 | /** @var bool Whether or not core data has been loaded from the database (loadFromXxx) */ |
| 166 | protected $dataLoaded = false; |
| 167 | |
| 168 | /** @var bool Whether or not lazy-loaded data has been loaded from the database */ |
| 169 | protected $extraDataLoaded = false; |
| 170 | |
| 171 | /** @var int Bitfield akin to rev_deleted */ |
| 172 | protected $deleted; |
| 173 | |
| 174 | /** @var int id in file table, null on read old */ |
| 175 | protected $file_id; |
| 176 | |
| 177 | /** @var int id in filerevision table, null on read old */ |
| 178 | protected $filerevision_id; |
| 179 | |
| 180 | /** @var string */ |
| 181 | protected $repoClass = LocalRepo::class; |
| 182 | |
| 183 | /** @var int Number of line to return by nextHistoryLine() (constructor) */ |
| 184 | private $historyLine = 0; |
| 185 | |
| 186 | /** @var IResultWrapper|null Result of the query for the file's history (nextHistoryLine) */ |
| 187 | private $historyRes = null; |
| 188 | |
| 189 | /** @var string Major MIME type */ |
| 190 | private $major_mime; |
| 191 | |
| 192 | /** @var string Minor MIME type */ |
| 193 | private $minor_mime; |
| 194 | |
| 195 | /** @var string Upload timestamp */ |
| 196 | private $timestamp; |
| 197 | |
| 198 | /** @var UserIdentity|null Uploader */ |
| 199 | private $user; |
| 200 | |
| 201 | /** @var string Description of current revision of the file */ |
| 202 | private $description; |
| 203 | |
| 204 | /** @var string TS_MW timestamp of the last change of the file description */ |
| 205 | private $descriptionTouched; |
| 206 | |
| 207 | /** @var bool Whether the row was upgraded on load */ |
| 208 | private $upgraded; |
| 209 | |
| 210 | /** @var bool Whether the row was scheduled to upgrade on load */ |
| 211 | private $upgrading; |
| 212 | |
| 213 | /** @var int If >= 1 the image row is locked */ |
| 214 | private $locked; |
| 215 | |
| 216 | /** @var bool True if the image row is locked with a lock initiated transaction */ |
| 217 | private $lockedOwnTrx; |
| 218 | |
| 219 | /** @var bool True if file is not present in file system. Not to be cached in memcached */ |
| 220 | private $missing; |
| 221 | |
| 222 | /** @var MetadataStorageHelper */ |
| 223 | private $metadataStorageHelper; |
| 224 | |
| 225 | /** @var int */ |
| 226 | private $migrationStage = SCHEMA_COMPAT_OLD; |
| 227 | |
| 228 | // @note: higher than IDBAccessObject constants |
| 229 | private const LOAD_ALL = 16; // integer; load all the lazy fields too (like metadata) |
| 230 | |
| 231 | private const ATOMIC_SECTION_LOCK = 'LocalFile::lockingTransaction'; |
| 232 | |
| 233 | /** |
| 234 | * Create a LocalFile from a title |
| 235 | * Do not call this except from inside a repo class. |
| 236 | * |
| 237 | * Note: $unused param is only here to avoid an E_STRICT |
| 238 | * |
| 239 | * @stable to override |
| 240 | * |
| 241 | * @param Title $title |
| 242 | * @param LocalRepo $repo |
| 243 | * @param null $unused |
| 244 | * |
| 245 | * @return static |
| 246 | */ |
| 247 | public static function newFromTitle( $title, $repo, $unused = null ) { |
| 248 | return new static( $title, $repo ); |
| 249 | } |
| 250 | |
| 251 | /** |
| 252 | * Create a LocalFile from a title |
| 253 | * Do not call this except from inside a repo class. |
| 254 | * |
| 255 | * @stable to override |
| 256 | * |
| 257 | * @param stdClass $row |
| 258 | * @param LocalRepo $repo |
| 259 | * |
| 260 | * @return static |
| 261 | */ |
| 262 | public static function newFromRow( $row, $repo ) { |
| 263 | $title = Title::makeTitle( NS_FILE, $row->img_name ); |
| 264 | $file = new static( $title, $repo ); |
| 265 | $file->loadFromRow( $row ); |
| 266 | |
| 267 | return $file; |
| 268 | } |
| 269 | |
| 270 | /** |
| 271 | * Create a LocalFile from a SHA-1 key |
| 272 | * Do not call this except from inside a repo class. |
| 273 | * |
| 274 | * @stable to override |
| 275 | * |
| 276 | * @param string $sha1 Base-36 SHA-1 |
| 277 | * @param LocalRepo $repo |
| 278 | * @param string|false $timestamp MW_timestamp (optional) |
| 279 | * @return static|false |
| 280 | */ |
| 281 | public static function newFromKey( $sha1, $repo, $timestamp = false ) { |
| 282 | $dbr = $repo->getReplicaDB(); |
| 283 | $queryBuilder = FileSelectQueryBuilder::newForFile( $dbr ); |
| 284 | |
| 285 | $queryBuilder->where( [ 'img_sha1' => $sha1 ] ); |
| 286 | |
| 287 | if ( $timestamp ) { |
| 288 | $queryBuilder->andWhere( [ 'img_timestamp' => $dbr->timestamp( $timestamp ) ] ); |
| 289 | } |
| 290 | |
| 291 | $row = $queryBuilder->caller( __METHOD__ )->fetchRow(); |
| 292 | if ( $row ) { |
| 293 | return static::newFromRow( $row, $repo ); |
| 294 | } else { |
| 295 | return false; |
| 296 | } |
| 297 | } |
| 298 | |
| 299 | /** |
| 300 | * Return the tables, fields, and join conditions to be selected to create |
| 301 | * a new localfile object. |
| 302 | * |
| 303 | * Since 1.34, img_user and img_user_text have not been present in the |
| 304 | * database, but they continue to be available in query results as |
| 305 | * aliases. |
| 306 | * |
| 307 | * @since 1.31 |
| 308 | * @stable to override |
| 309 | * |
| 310 | * @deprecated since 1.41 use FileSelectQueryBuilder instead |
| 311 | * @param string[] $options |
| 312 | * - omit-lazy: Omit fields that are lazily cached. |
| 313 | * @return array[] With three keys: |
| 314 | * - tables: (string[]) to include in the `$table` to `IDatabase->select()` or `SelectQueryBuilder::tables` |
| 315 | * - fields: (string[]) to include in the `$vars` to `IDatabase->select()` or `SelectQueryBuilder::fields` |
| 316 | * - joins: (array) to include in the `$join_conds` to `IDatabase->select()` or `SelectQueryBuilder::joinConds` |
| 317 | * @phan-return array{tables:string[],fields:string[],joins:array} |
| 318 | */ |
| 319 | public static function getQueryInfo( array $options = [] ) { |
| 320 | wfDeprecated( __METHOD__, '1.41' ); |
| 321 | $dbr = MediaWikiServices::getInstance()->getConnectionProvider()->getReplicaDatabase(); |
| 322 | $queryInfo = FileSelectQueryBuilder::newForFile( $dbr, $options )->getQueryInfo(); |
| 323 | // needs remapping... |
| 324 | return [ |
| 325 | 'tables' => $queryInfo['tables'], |
| 326 | 'fields' => $queryInfo['fields'], |
| 327 | 'joins' => $queryInfo['join_conds'], |
| 328 | ]; |
| 329 | } |
| 330 | |
| 331 | /** |
| 332 | * Do not call this except from inside a repo class. |
| 333 | * @stable to call |
| 334 | * |
| 335 | * @param Title $title |
| 336 | * @param LocalRepo $repo |
| 337 | */ |
| 338 | public function __construct( $title, $repo ) { |
| 339 | parent::__construct( $title, $repo ); |
| 340 | $this->metadataStorageHelper = new MetadataStorageHelper( $repo ); |
| 341 | $this->migrationStage = MediaWikiServices::getInstance()->getMainConfig()->get( |
| 342 | MainConfigNames::FileSchemaMigrationStage |
| 343 | ); |
| 344 | |
| 345 | $this->assertRepoDefined(); |
| 346 | $this->assertTitleDefined(); |
| 347 | } |
| 348 | |
| 349 | /** |
| 350 | * @return LocalRepo|false |
| 351 | */ |
| 352 | public function getRepo() { |
| 353 | return $this->repo; |
| 354 | } |
| 355 | |
| 356 | /** |
| 357 | * Get the memcached key for the main data for this file, or false if |
| 358 | * there is no access to the shared cache. |
| 359 | * @stable to override |
| 360 | * @return string|false |
| 361 | */ |
| 362 | protected function getCacheKey() { |
| 363 | return $this->repo->getSharedCacheKey( 'file', sha1( $this->getName() ) ); |
| 364 | } |
| 365 | |
| 366 | /** |
| 367 | * Try to load file metadata from memcached, falling back to the database |
| 368 | */ |
| 369 | private function loadFromCache() { |
| 370 | $this->dataLoaded = false; |
| 371 | $this->extraDataLoaded = false; |
| 372 | |
| 373 | $key = $this->getCacheKey(); |
| 374 | if ( !$key ) { |
| 375 | $this->loadFromDB( IDBAccessObject::READ_NORMAL ); |
| 376 | |
| 377 | return; |
| 378 | } |
| 379 | |
| 380 | $cache = MediaWikiServices::getInstance()->getMainWANObjectCache(); |
| 381 | $cachedValues = $cache->getWithSetCallback( |
| 382 | $key, |
| 383 | $cache::TTL_WEEK, |
| 384 | function ( $oldValue, &$ttl, array &$setOpts ) use ( $cache ) { |
| 385 | $setOpts += Database::getCacheSetOptions( $this->repo->getReplicaDB() ); |
| 386 | |
| 387 | $this->loadFromDB( IDBAccessObject::READ_NORMAL ); |
| 388 | |
| 389 | $fields = $this->getCacheFields( '' ); |
| 390 | $cacheVal = []; |
| 391 | $cacheVal['fileExists'] = $this->fileExists; |
| 392 | if ( $this->fileExists ) { |
| 393 | foreach ( $fields as $field ) { |
| 394 | $cacheVal[$field] = $this->$field; |
| 395 | } |
| 396 | } |
| 397 | if ( $this->user ) { |
| 398 | $cacheVal['user'] = $this->user->getId(); |
| 399 | $cacheVal['user_text'] = $this->user->getName(); |
| 400 | } |
| 401 | |
| 402 | // Don't cache metadata items stored as blobs, since they tend to be large |
| 403 | if ( $this->metadataBlobs ) { |
| 404 | $cacheVal['metadata'] = array_diff_key( |
| 405 | $this->metadataArray, $this->metadataBlobs ); |
| 406 | // Save the blob addresses |
| 407 | $cacheVal['metadataBlobs'] = $this->metadataBlobs; |
| 408 | } else { |
| 409 | $cacheVal['metadata'] = $this->metadataArray; |
| 410 | } |
| 411 | |
| 412 | // Strip off excessive entries from the subset of fields that can become large. |
| 413 | // If the cache value gets too large and might not fit in the cache, |
| 414 | // causing repeat database queries for each access to the file. |
| 415 | foreach ( $this->getLazyCacheFields( '' ) as $field ) { |
| 416 | if ( isset( $cacheVal[$field] ) |
| 417 | && strlen( serialize( $cacheVal[$field] ) ) > 100 * 1024 |
| 418 | ) { |
| 419 | unset( $cacheVal[$field] ); // don't let the value get too big |
| 420 | if ( $field === 'metadata' ) { |
| 421 | unset( $cacheVal['metadataBlobs'] ); |
| 422 | } |
| 423 | } |
| 424 | } |
| 425 | |
| 426 | if ( $this->fileExists ) { |
| 427 | $ttl = $cache->adaptiveTTL( (int)wfTimestamp( TS_UNIX, $this->timestamp ), $ttl ); |
| 428 | } else { |
| 429 | $ttl = $cache::TTL_DAY; |
| 430 | } |
| 431 | |
| 432 | return $cacheVal; |
| 433 | }, |
| 434 | [ 'version' => self::VERSION ] |
| 435 | ); |
| 436 | |
| 437 | $this->fileExists = $cachedValues['fileExists']; |
| 438 | if ( $this->fileExists ) { |
| 439 | $this->setProps( $cachedValues ); |
| 440 | } |
| 441 | |
| 442 | $this->dataLoaded = true; |
| 443 | $this->extraDataLoaded = true; |
| 444 | foreach ( $this->getLazyCacheFields( '' ) as $field ) { |
| 445 | $this->extraDataLoaded = $this->extraDataLoaded && isset( $cachedValues[$field] ); |
| 446 | } |
| 447 | } |
| 448 | |
| 449 | /** |
| 450 | * Purge the file object/metadata cache |
| 451 | */ |
| 452 | public function invalidateCache() { |
| 453 | $key = $this->getCacheKey(); |
| 454 | if ( !$key ) { |
| 455 | return; |
| 456 | } |
| 457 | |
| 458 | $this->repo->getPrimaryDB()->onTransactionPreCommitOrIdle( |
| 459 | static function () use ( $key ) { |
| 460 | MediaWikiServices::getInstance()->getMainWANObjectCache()->delete( $key ); |
| 461 | }, |
| 462 | __METHOD__ |
| 463 | ); |
| 464 | } |
| 465 | |
| 466 | /** |
| 467 | * Load metadata from the file itself |
| 468 | * |
| 469 | * @internal |
| 470 | * @param string|null $path The path or virtual URL to load from, or null |
| 471 | * to use the previously stored file. |
| 472 | */ |
| 473 | public function loadFromFile( $path = null ) { |
| 474 | $props = $this->repo->getFileProps( $path ?? $this->getVirtualUrl() ); |
| 475 | $this->setProps( $props ); |
| 476 | } |
| 477 | |
| 478 | /** |
| 479 | * Returns the list of object properties that are included as-is in the cache. |
| 480 | * @stable to override |
| 481 | * @param string $prefix Must be the empty string |
| 482 | * @return string[] |
| 483 | * @since 1.31 No longer accepts a non-empty $prefix |
| 484 | */ |
| 485 | protected function getCacheFields( $prefix = 'img_' ) { |
| 486 | if ( $prefix !== '' ) { |
| 487 | throw new InvalidArgumentException( |
| 488 | __METHOD__ . ' with a non-empty prefix is no longer supported.' |
| 489 | ); |
| 490 | } |
| 491 | |
| 492 | // See self::getQueryInfo() for the fetching of the data from the DB, |
| 493 | // self::loadFromRow() for the loading of the object from the DB row, |
| 494 | // and self::loadFromCache() for the caching, and self::setProps() for |
| 495 | // populating the object from an array of data. |
| 496 | return [ 'size', 'width', 'height', 'bits', 'media_type', |
| 497 | 'major_mime', 'minor_mime', 'timestamp', 'sha1', 'description' ]; |
| 498 | } |
| 499 | |
| 500 | /** |
| 501 | * Returns the list of object properties that are included as-is in the |
| 502 | * cache, only when they're not too big, and are lazily loaded by self::loadExtraFromDB(). |
| 503 | * @param string $prefix Must be the empty string |
| 504 | * @return string[] |
| 505 | * @since 1.31 No longer accepts a non-empty $prefix |
| 506 | */ |
| 507 | protected function getLazyCacheFields( $prefix = 'img_' ) { |
| 508 | if ( $prefix !== '' ) { |
| 509 | throw new InvalidArgumentException( |
| 510 | __METHOD__ . ' with a non-empty prefix is no longer supported.' |
| 511 | ); |
| 512 | } |
| 513 | |
| 514 | // Keep this in sync with the omit-lazy option in self::getQueryInfo(). |
| 515 | return [ 'metadata' ]; |
| 516 | } |
| 517 | |
| 518 | /** |
| 519 | * Load file metadata from the DB |
| 520 | * @stable to override |
| 521 | * @param int $flags |
| 522 | */ |
| 523 | protected function loadFromDB( $flags = 0 ) { |
| 524 | $fname = static::class . '::' . __FUNCTION__; |
| 525 | |
| 526 | # Unconditionally set loaded=true, we don't want the accessors constantly rechecking |
| 527 | $this->dataLoaded = true; |
| 528 | $this->extraDataLoaded = true; |
| 529 | |
| 530 | $dbr = ( $flags & IDBAccessObject::READ_LATEST ) |
| 531 | ? $this->repo->getPrimaryDB() |
| 532 | : $this->repo->getReplicaDB(); |
| 533 | $queryBuilder = FileSelectQueryBuilder::newForFile( $dbr ); |
| 534 | |
| 535 | $queryBuilder->where( [ 'img_name' => $this->getName() ] ); |
| 536 | $row = $queryBuilder->caller( $fname )->fetchRow(); |
| 537 | |
| 538 | if ( $row ) { |
| 539 | $this->loadFromRow( $row ); |
| 540 | } else { |
| 541 | $this->fileExists = false; |
| 542 | } |
| 543 | } |
| 544 | |
| 545 | /** |
| 546 | * Load lazy file metadata from the DB. |
| 547 | * This covers fields that are sometimes not cached. |
| 548 | * @stable to override |
| 549 | */ |
| 550 | protected function loadExtraFromDB() { |
| 551 | if ( !$this->title ) { |
| 552 | return; // Avoid hard failure when the file does not exist. T221812 |
| 553 | } |
| 554 | |
| 555 | $fname = static::class . '::' . __FUNCTION__; |
| 556 | |
| 557 | # Unconditionally set loaded=true, we don't want the accessors constantly rechecking |
| 558 | $this->extraDataLoaded = true; |
| 559 | |
| 560 | $db = $this->repo->getReplicaDB(); |
| 561 | $fieldMap = $this->loadExtraFieldsWithTimestamp( $db, $fname ); |
| 562 | if ( !$fieldMap ) { |
| 563 | $db = $this->repo->getPrimaryDB(); |
| 564 | $fieldMap = $this->loadExtraFieldsWithTimestamp( $db, $fname ); |
| 565 | } |
| 566 | |
| 567 | if ( $fieldMap ) { |
| 568 | if ( isset( $fieldMap['metadata'] ) ) { |
| 569 | $this->loadMetadataFromDbFieldValue( $db, $fieldMap['metadata'] ); |
| 570 | } |
| 571 | } else { |
| 572 | throw new RuntimeException( "Could not find data for image '{$this->getName()}'." ); |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | /** |
| 577 | * @param IReadableDatabase $dbr |
| 578 | * @param string $fname |
| 579 | * @return string[]|false |
| 580 | */ |
| 581 | private function loadExtraFieldsWithTimestamp( IReadableDatabase $dbr, $fname ) { |
| 582 | $fieldMap = false; |
| 583 | |
| 584 | $queryBuilder = FileSelectQueryBuilder::newForFile( $dbr, [ 'omit-nonlazy' ] ); |
| 585 | $queryBuilder->where( [ 'img_name' => $this->getName() ] ) |
| 586 | ->andWhere( [ 'img_timestamp' => $dbr->timestamp( $this->getTimestamp() ) ] ); |
| 587 | $row = $queryBuilder->caller( $fname )->fetchRow(); |
| 588 | if ( $row ) { |
| 589 | $fieldMap = $this->unprefixRow( $row, 'img_' ); |
| 590 | } else { |
| 591 | # File may have been uploaded over in the meantime; check the old versions |
| 592 | $queryBuilder = FileSelectQueryBuilder::newForOldFile( $dbr, [ 'omit-nonlazy' ] ); |
| 593 | $row = $queryBuilder->where( [ 'oi_name' => $this->getName() ] ) |
| 594 | ->andWhere( [ 'oi_timestamp' => $dbr->timestamp( $this->getTimestamp() ) ] ) |
| 595 | ->caller( __METHOD__ )->fetchRow(); |
| 596 | if ( $row ) { |
| 597 | $fieldMap = $this->unprefixRow( $row, 'oi_' ); |
| 598 | } |
| 599 | } |
| 600 | |
| 601 | return $fieldMap; |
| 602 | } |
| 603 | |
| 604 | /** |
| 605 | * @param array|stdClass $row |
| 606 | * @param string $prefix |
| 607 | * @return array |
| 608 | */ |
| 609 | protected function unprefixRow( $row, $prefix = 'img_' ) { |
| 610 | $array = (array)$row; |
| 611 | $prefixLength = strlen( $prefix ); |
| 612 | |
| 613 | // Double check prefix once |
| 614 | if ( substr( array_key_first( $array ), 0, $prefixLength ) !== $prefix ) { |
| 615 | throw new InvalidArgumentException( __METHOD__ . ': incorrect $prefix parameter' ); |
| 616 | } |
| 617 | |
| 618 | $decoded = []; |
| 619 | foreach ( $array as $name => $value ) { |
| 620 | $decoded[substr( $name, $prefixLength )] = $value; |
| 621 | } |
| 622 | |
| 623 | return $decoded; |
| 624 | } |
| 625 | |
| 626 | /** |
| 627 | * Load file metadata from a DB result row |
| 628 | * @stable to override |
| 629 | * |
| 630 | * Passing arbitrary fields in the row and expecting them to be translated |
| 631 | * to property names on $this is deprecated since 1.37. Instead, override |
| 632 | * loadFromRow(), and clone and unset the extra fields before passing them |
| 633 | * to the parent. |
| 634 | * |
| 635 | * After the deprecation period has passed, extra fields will be ignored, |
| 636 | * and the deprecation warning will be removed. |
| 637 | * |
| 638 | * @param stdClass $row |
| 639 | * @param string $prefix |
| 640 | */ |
| 641 | public function loadFromRow( $row, $prefix = 'img_' ) { |
| 642 | $this->dataLoaded = true; |
| 643 | |
| 644 | $unprefixed = $this->unprefixRow( $row, $prefix ); |
| 645 | |
| 646 | $this->name = $unprefixed['name']; |
| 647 | $this->media_type = $unprefixed['media_type']; |
| 648 | |
| 649 | $services = MediaWikiServices::getInstance(); |
| 650 | $this->description = $services->getCommentStore() |
| 651 | ->getComment( "{$prefix}description", $row )->text; |
| 652 | |
| 653 | $this->user = $services->getUserFactory()->newFromAnyId( |
| 654 | $unprefixed['user'] ?? null, |
| 655 | $unprefixed['user_text'] ?? null, |
| 656 | $unprefixed['actor'] ?? null |
| 657 | ); |
| 658 | |
| 659 | $this->timestamp = wfTimestamp( TS_MW, $unprefixed['timestamp'] ); |
| 660 | |
| 661 | $this->loadMetadataFromDbFieldValue( |
| 662 | $this->repo->getReplicaDB(), $unprefixed['metadata'] ); |
| 663 | |
| 664 | if ( empty( $unprefixed['major_mime'] ) ) { |
| 665 | $this->major_mime = 'unknown'; |
| 666 | $this->minor_mime = 'unknown'; |
| 667 | $this->mime = 'unknown/unknown'; |
| 668 | } else { |
| 669 | if ( !$unprefixed['minor_mime'] ) { |
| 670 | $unprefixed['minor_mime'] = 'unknown'; |
| 671 | } |
| 672 | $this->major_mime = $unprefixed['major_mime']; |
| 673 | $this->minor_mime = $unprefixed['minor_mime']; |
| 674 | $this->mime = $unprefixed['major_mime'] . '/' . $unprefixed['minor_mime']; |
| 675 | } |
| 676 | |
| 677 | // Trim zero padding from char/binary field |
| 678 | $this->sha1 = rtrim( $unprefixed['sha1'], "\0" ); |
| 679 | |
| 680 | // Normalize some fields to integer type, per their database definition. |
| 681 | // Use unary + so that overflows will be upgraded to double instead of |
| 682 | // being truncated as with intval(). This is important to allow > 2 GiB |
| 683 | // files on 32-bit systems. |
| 684 | $this->size = +$unprefixed['size']; |
| 685 | $this->width = +$unprefixed['width']; |
| 686 | $this->height = +$unprefixed['height']; |
| 687 | $this->bits = +$unprefixed['bits']; |
| 688 | |
| 689 | // Check for extra fields (deprecated since MW 1.37) |
| 690 | $extraFields = array_diff( |
| 691 | array_keys( $unprefixed ), |
| 692 | [ |
| 693 | 'name', 'media_type', 'description_text', 'description_data', |
| 694 | 'description_cid', 'user', 'user_text', 'actor', 'timestamp', |
| 695 | 'metadata', 'major_mime', 'minor_mime', 'sha1', 'size', 'width', |
| 696 | 'height', 'bits', 'file_id', 'filerevision_id' |
| 697 | ] |
| 698 | ); |
| 699 | if ( $extraFields ) { |
| 700 | wfDeprecatedMsg( |
| 701 | 'Passing extra fields (' . |
| 702 | implode( ', ', $extraFields ) |
| 703 | . ') to ' . __METHOD__ . ' was deprecated in MediaWiki 1.37. ' . |
| 704 | 'Property assignment will be removed in a later version.', |
| 705 | '1.37' ); |
| 706 | foreach ( $extraFields as $field ) { |
| 707 | $this->$field = $unprefixed[$field]; |
| 708 | } |
| 709 | } |
| 710 | |
| 711 | $this->fileExists = true; |
| 712 | } |
| 713 | |
| 714 | /** |
| 715 | * Load file metadata from cache or DB, unless already loaded |
| 716 | * @stable to override |
| 717 | * @param int $flags |
| 718 | */ |
| 719 | public function load( $flags = 0 ) { |
| 720 | if ( !$this->dataLoaded ) { |
| 721 | if ( $flags & IDBAccessObject::READ_LATEST ) { |
| 722 | $this->loadFromDB( $flags ); |
| 723 | } else { |
| 724 | $this->loadFromCache(); |
| 725 | } |
| 726 | } |
| 727 | |
| 728 | if ( ( $flags & self::LOAD_ALL ) && !$this->extraDataLoaded ) { |
| 729 | // @note: loads on name/timestamp to reduce race condition problems |
| 730 | $this->loadExtraFromDB(); |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | /** |
| 735 | * Upgrade a row if it needs it |
| 736 | * @internal |
| 737 | */ |
| 738 | public function maybeUpgradeRow() { |
| 739 | if ( MediaWikiServices::getInstance()->getReadOnlyMode()->isReadOnly() || $this->upgrading ) { |
| 740 | return; |
| 741 | } |
| 742 | |
| 743 | $upgrade = false; |
| 744 | $reserialize = false; |
| 745 | if ( $this->media_type === null || $this->mime == 'image/svg' ) { |
| 746 | $upgrade = true; |
| 747 | } else { |
| 748 | $handler = $this->getHandler(); |
| 749 | if ( $handler ) { |
| 750 | $validity = $handler->isFileMetadataValid( $this ); |
| 751 | if ( $validity === MediaHandler::METADATA_BAD ) { |
| 752 | $upgrade = true; |
| 753 | } elseif ( $validity === MediaHandler::METADATA_COMPATIBLE |
| 754 | && $this->repo->isMetadataUpdateEnabled() |
| 755 | ) { |
| 756 | $upgrade = true; |
| 757 | } elseif ( $this->repo->isJsonMetadataEnabled() |
| 758 | && $this->repo->isMetadataReserializeEnabled() |
| 759 | ) { |
| 760 | if ( $this->repo->isSplitMetadataEnabled() && $this->isMetadataOversize() ) { |
| 761 | $reserialize = true; |
| 762 | } elseif ( $this->metadataSerializationFormat !== self::MDS_EMPTY && |
| 763 | $this->metadataSerializationFormat !== self::MDS_JSON ) { |
| 764 | $reserialize = true; |
| 765 | } |
| 766 | } |
| 767 | } |
| 768 | } |
| 769 | |
| 770 | if ( $upgrade || $reserialize ) { |
| 771 | $this->upgrading = true; |
| 772 | // Defer updates unless in auto-commit CLI mode |
| 773 | DeferredUpdates::addCallableUpdate( function () use ( $upgrade ) { |
| 774 | $this->upgrading = false; // avoid duplicate updates |
| 775 | try { |
| 776 | if ( $upgrade ) { |
| 777 | $this->upgradeRow(); |
| 778 | } else { |
| 779 | $this->reserializeMetadata(); |
| 780 | } |
| 781 | } catch ( LocalFileLockError $e ) { |
| 782 | // let the other process handle it (or do it next time) |
| 783 | } |
| 784 | } ); |
| 785 | } |
| 786 | } |
| 787 | |
| 788 | /** |
| 789 | * @return bool Whether upgradeRow() ran for this object |
| 790 | */ |
| 791 | public function getUpgraded() { |
| 792 | return $this->upgraded; |
| 793 | } |
| 794 | |
| 795 | /** |
| 796 | * This is mostly for the migration period. |
| 797 | * |
| 798 | * Since 1.44 |
| 799 | * @return int|false |
| 800 | */ |
| 801 | public function getFileIdFromName() { |
| 802 | if ( !$this->fileId ) { |
| 803 | $dbw = $this->repo->getPrimaryDB(); |
| 804 | $id = $dbw->newSelectQueryBuilder() |
| 805 | ->select( 'file_id' ) |
| 806 | ->from( 'file' ) |
| 807 | ->where( [ |
| 808 | 'file_name' => $this->getName(), |
| 809 | 'file_deleted' => 0 |
| 810 | ] ) |
| 811 | ->caller( __METHOD__ ) |
| 812 | ->fetchField(); |
| 813 | $this->fileId = $id; |
| 814 | } |
| 815 | |
| 816 | return $this->fileId; |
| 817 | } |
| 818 | |
| 819 | /** |
| 820 | * This is mostly for the migration period. |
| 821 | * |
| 822 | * @internal |
| 823 | * @return int |
| 824 | */ |
| 825 | public function acquireFileIdFromName() { |
| 826 | $dbw = $this->repo->getPrimaryDB(); |
| 827 | $id = $this->getFileIdFromName(); |
| 828 | if ( $id ) { |
| 829 | return $id; |
| 830 | } |
| 831 | $id = $dbw->newSelectQueryBuilder() |
| 832 | ->select( 'file_id' ) |
| 833 | ->from( 'file' ) |
| 834 | ->where( [ |
| 835 | 'file_name' => $this->getName(), |
| 836 | ] ) |
| 837 | ->caller( __METHOD__ ) |
| 838 | ->fetchField(); |
| 839 | if ( !$id ) { |
| 840 | $dbw->newInsertQueryBuilder() |
| 841 | ->insertInto( 'file' ) |
| 842 | ->row( [ |
| 843 | 'file_name' => $this->getName(), |
| 844 | // The value will be updated later |
| 845 | 'file_latest' => 0, |
| 846 | 'file_deleted' => 0, |
| 847 | 'file_type' => $this->getFileTypeId(), |
| 848 | ] ) |
| 849 | ->caller( __METHOD__ )->execute(); |
| 850 | $insertId = $dbw->insertId(); |
| 851 | if ( !$insertId ) { |
| 852 | throw new RuntimeException( 'File entry could not be inserted' ); |
| 853 | } |
| 854 | return $insertId; |
| 855 | } else { |
| 856 | // Undelete |
| 857 | $dbw->newUpdateQueryBuilder() |
| 858 | ->update( 'file' ) |
| 859 | ->set( [ 'file_deleted' => 0 ] ) |
| 860 | ->where( [ 'file_id' => $id ] ) |
| 861 | ->caller( __METHOD__ )->execute(); |
| 862 | return $id; |
| 863 | } |
| 864 | } |
| 865 | |
| 866 | protected function getFileTypeId() { |
| 867 | if ( $this->fileTypeId ) { |
| 868 | return $this->fileTypeId; |
| 869 | } |
| 870 | [ $major, $minor ] = self::splitMime( $this->mime ); |
| 871 | $dbw = $this->repo->getPrimaryDB(); |
| 872 | $id = $dbw->newSelectQueryBuilder() |
| 873 | ->select( 'ft_id' ) |
| 874 | ->from( 'filetypes' ) |
| 875 | ->where( [ |
| 876 | 'ft_media_type' => $this->getMediaType(), |
| 877 | 'ft_major_mime' => $major, |
| 878 | 'ft_minor_mime' => $minor, |
| 879 | ] ) |
| 880 | ->caller( __METHOD__ ) |
| 881 | ->fetchField(); |
| 882 | if ( $id ) { |
| 883 | $this->fileTypeId = $id; |
| 884 | return $id; |
| 885 | } |
| 886 | $dbw->newInsertQueryBuilder() |
| 887 | ->insertInto( 'filetypes' ) |
| 888 | ->row( [ |
| 889 | 'ft_media_type' => $this->getMediaType(), |
| 890 | 'ft_major_mime' => $major, |
| 891 | 'ft_minor_mime' => $minor, |
| 892 | ] ) |
| 893 | ->caller( __METHOD__ )->execute(); |
| 894 | |
| 895 | $id = $dbw->insertId(); |
| 896 | if ( !$id ) { |
| 897 | throw new RuntimeException( 'File entry could not be inserted' ); |
| 898 | } |
| 899 | |
| 900 | $this->fileTypeId = $id; |
| 901 | return $id; |
| 902 | } |
| 903 | |
| 904 | /** |
| 905 | * Fix assorted version-related problems with the image row by reloading it from the file |
| 906 | * @stable to override |
| 907 | */ |
| 908 | public function upgradeRow() { |
| 909 | $dbw = $this->repo->getPrimaryDB(); |
| 910 | |
| 911 | // Make a DB query condition that will fail to match the image row if the |
| 912 | // image was reuploaded while the upgrade was in process. |
| 913 | $freshnessCondition = [ 'img_timestamp' => $dbw->timestamp( $this->getTimestamp() ) ]; |
| 914 | |
| 915 | $this->loadFromFile(); |
| 916 | |
| 917 | # Don't destroy file info of missing files |
| 918 | if ( !$this->fileExists ) { |
| 919 | wfDebug( __METHOD__ . ": file does not exist, aborting" ); |
| 920 | |
| 921 | return; |
| 922 | } |
| 923 | |
| 924 | [ $major, $minor ] = self::splitMime( $this->mime ); |
| 925 | |
| 926 | wfDebug( __METHOD__ . ': upgrading ' . $this->getName() . " to the current schema" ); |
| 927 | |
| 928 | $metadata = $this->getMetadataForDb( $dbw ); |
| 929 | $dbw->newUpdateQueryBuilder() |
| 930 | ->update( 'image' ) |
| 931 | ->set( [ |
| 932 | 'img_size' => $this->size, |
| 933 | 'img_width' => $this->width, |
| 934 | 'img_height' => $this->height, |
| 935 | 'img_bits' => $this->bits, |
| 936 | 'img_media_type' => $this->media_type, |
| 937 | 'img_major_mime' => $major, |
| 938 | 'img_minor_mime' => $minor, |
| 939 | 'img_metadata' => $metadata, |
| 940 | 'img_sha1' => $this->sha1, |
| 941 | ] ) |
| 942 | ->where( [ 'img_name' => $this->getName() ] ) |
| 943 | ->andWhere( $freshnessCondition ) |
| 944 | ->caller( __METHOD__ )->execute(); |
| 945 | |
| 946 | if ( $this->migrationStage & SCHEMA_COMPAT_WRITE_NEW ) { |
| 947 | $dbw->newUpdateQueryBuilder() |
| 948 | ->update( 'filerevision' ) |
| 949 | ->set( [ |
| 950 | 'fr_size' => $this->size, |
| 951 | 'fr_width' => $this->width, |
| 952 | 'fr_height' => $this->height, |
| 953 | 'fr_bits' => $this->bits, |
| 954 | 'fr_metadata' => $metadata, |
| 955 | 'fr_sha1' => $this->sha1, |
| 956 | ] ) |
| 957 | ->where( [ 'fr_file' => $this->acquireFileIdFromName() ] ) |
| 958 | ->andWhere( [ 'fr_timestamp' => $dbw->timestamp( $this->getTimestamp() ) ] ) |
| 959 | ->caller( __METHOD__ )->execute(); |
| 960 | } |
| 961 | |
| 962 | $this->invalidateCache(); |
| 963 | |
| 964 | $this->upgraded = true; // avoid rework/retries |
| 965 | } |
| 966 | |
| 967 | /** |
| 968 | * Write the metadata back to the database with the current serialization |
| 969 | * format. |
| 970 | */ |
| 971 | protected function reserializeMetadata() { |
| 972 | if ( MediaWikiServices::getInstance()->getReadOnlyMode()->isReadOnly() ) { |
| 973 | return; |
| 974 | } |
| 975 | $dbw = $this->repo->getPrimaryDB(); |
| 976 | $metadata = $this->getMetadataForDb( $dbw ); |
| 977 | $dbw->newUpdateQueryBuilder() |
| 978 | ->update( 'image' ) |
| 979 | ->set( [ 'img_metadata' => $metadata ] ) |
| 980 | ->where( [ |
| 981 | 'img_name' => $this->name, |
| 982 | 'img_timestamp' => $dbw->timestamp( $this->timestamp ), |
| 983 | ] ) |
| 984 | ->caller( __METHOD__ )->execute(); |
| 985 | if ( $this->migrationStage & SCHEMA_COMPAT_WRITE_NEW ) { |
| 986 | $dbw->newUpdateQueryBuilder() |
| 987 | ->update( 'filerevision' ) |
| 988 | ->set( [ 'fr_metadata' => $metadata ] ) |
| 989 | ->where( [ 'fr_file' => $this->acquireFileIdFromName() ] ) |
| 990 | ->andWhere( [ 'fr_timestamp' => $dbw->timestamp( $this->getTimestamp() ) ] ) |
| 991 | ->caller( __METHOD__ )->execute(); |
| 992 | } |
| 993 | $this->upgraded = true; |
| 994 | } |
| 995 | |
| 996 | /** |
| 997 | * Set properties in this object to be equal to those given in the |
| 998 | * associative array $info. Only cacheable fields can be set. |
| 999 | * All fields *must* be set in $info except for getLazyCacheFields(). |
| 1000 | * |
| 1001 | * If 'mime' is given, it will be split into major_mime/minor_mime. |
| 1002 | * If major_mime/minor_mime are given, $this->mime will also be set. |
| 1003 | * |
| 1004 | * @stable to override |
| 1005 | * @unstable to call |
| 1006 | * @param array $info |
| 1007 | */ |
| 1008 | public function setProps( $info ) { |
| 1009 | $this->dataLoaded = true; |
| 1010 | $fields = $this->getCacheFields( '' ); |
| 1011 | $fields[] = 'fileExists'; |
| 1012 | |
| 1013 | foreach ( $fields as $field ) { |
| 1014 | if ( isset( $info[$field] ) ) { |
| 1015 | $this->$field = $info[$field]; |
| 1016 | } |
| 1017 | } |
| 1018 | |
| 1019 | // Only our own cache sets these properties, so they both should be present. |
| 1020 | if ( isset( $info['user'] ) && |
| 1021 | isset( $info['user_text'] ) && |
| 1022 | $info['user_text'] !== '' |
| 1023 | ) { |
| 1024 | $this->user = new UserIdentityValue( $info['user'], $info['user_text'] ); |
| 1025 | } |
| 1026 | |
| 1027 | // Fix up mime fields |
| 1028 | if ( isset( $info['major_mime'] ) ) { |
| 1029 | $this->mime = "{$info['major_mime']}/{$info['minor_mime']}"; |
| 1030 | } elseif ( isset( $info['mime'] ) ) { |
| 1031 | $this->mime = $info['mime']; |
| 1032 | [ $this->major_mime, $this->minor_mime ] = self::splitMime( $this->mime ); |
| 1033 | } |
| 1034 | |
| 1035 | if ( isset( $info['metadata'] ) ) { |
| 1036 | if ( is_string( $info['metadata'] ) ) { |
| 1037 | $this->loadMetadataFromString( $info['metadata'] ); |
| 1038 | } elseif ( is_array( $info['metadata'] ) ) { |
| 1039 | $this->metadataArray = $info['metadata']; |
| 1040 | if ( isset( $info['metadataBlobs'] ) ) { |
| 1041 | $this->metadataBlobs = $info['metadataBlobs']; |
| 1042 | $this->unloadedMetadataBlobs = array_diff_key( |
| 1043 | $this->metadataBlobs, |
| 1044 | $this->metadataArray |
| 1045 | ); |
| 1046 | } else { |
| 1047 | $this->metadataBlobs = []; |
| 1048 | $this->unloadedMetadataBlobs = []; |
| 1049 | } |
| 1050 | } else { |
| 1051 | $logger = LoggerFactory::getInstance( 'LocalFile' ); |
| 1052 | $logger->warning( __METHOD__ . ' given invalid metadata of type ' . |
| 1053 | get_debug_type( $info['metadata'] ) ); |
| 1054 | $this->metadataArray = []; |
| 1055 | } |
| 1056 | $this->extraDataLoaded = true; |
| 1057 | } |
| 1058 | } |
| 1059 | |
| 1060 | /** splitMime inherited */ |
| 1061 | /** getName inherited */ |
| 1062 | /** getTitle inherited */ |
| 1063 | /** getURL inherited */ |
| 1064 | /** getViewURL inherited */ |
| 1065 | /** getPath inherited */ |
| 1066 | /** isVisible inherited */ |
| 1067 | |
| 1068 | /** |
| 1069 | * Checks if this file exists in its parent repo, as referenced by its |
| 1070 | * virtual URL. |
| 1071 | * @stable to override |
| 1072 | * |
| 1073 | * @return bool |
| 1074 | */ |
| 1075 | public function isMissing() { |
| 1076 | if ( $this->missing === null ) { |
| 1077 | $fileExists = $this->repo->fileExists( $this->getVirtualUrl() ); |
| 1078 | $this->missing = !$fileExists; |
| 1079 | } |
| 1080 | |
| 1081 | return $this->missing; |
| 1082 | } |
| 1083 | |
| 1084 | /** |
| 1085 | * Return the width of the image |
| 1086 | * @stable to override |
| 1087 | * |
| 1088 | * @param int $page |
| 1089 | * @return int |
| 1090 | */ |
| 1091 | public function getWidth( $page = 1 ) { |
| 1092 | $page = (int)$page; |
| 1093 | if ( $page < 1 ) { |
| 1094 | $page = 1; |
| 1095 | } |
| 1096 | |
| 1097 | $this->load(); |
| 1098 | |
| 1099 | if ( $this->isMultipage() ) { |
| 1100 | $handler = $this->getHandler(); |
| 1101 | if ( !$handler ) { |
| 1102 | return 0; |
| 1103 | } |
| 1104 | $dim = $handler->getPageDimensions( $this, $page ); |
| 1105 | if ( $dim ) { |
| 1106 | return $dim['width']; |
| 1107 | } else { |
| 1108 | // For non-paged media, the false goes through an |
| 1109 | // intval, turning failure into 0, so do same here. |
| 1110 | return 0; |
| 1111 | } |
| 1112 | } else { |
| 1113 | return $this->width; |
| 1114 | } |
| 1115 | } |
| 1116 | |
| 1117 | /** |
| 1118 | * Return the height of the image |
| 1119 | * @stable to override |
| 1120 | * |
| 1121 | * @param int $page |
| 1122 | * @return int |
| 1123 | */ |
| 1124 | public function getHeight( $page = 1 ) { |
| 1125 | $page = (int)$page; |
| 1126 | if ( $page < 1 ) { |
| 1127 | $page = 1; |
| 1128 | } |
| 1129 | |
| 1130 | $this->load(); |
| 1131 | |
| 1132 | if ( $this->isMultipage() ) { |
| 1133 | $handler = $this->getHandler(); |
| 1134 | if ( !$handler ) { |
| 1135 | return 0; |
| 1136 | } |
| 1137 | $dim = $handler->getPageDimensions( $this, $page ); |
| 1138 | if ( $dim ) { |
| 1139 | return $dim['height']; |
| 1140 | } else { |
| 1141 | // For non-paged media, the false goes through an |
| 1142 | // intval, turning failure into 0, so do same here. |
| 1143 | return 0; |
| 1144 | } |
| 1145 | } else { |
| 1146 | return $this->height; |
| 1147 | } |
| 1148 | } |
| 1149 | |
| 1150 | /** |
| 1151 | * Get short description URL for a file based on the page ID. |
| 1152 | * @stable to override |
| 1153 | * |
| 1154 | * @return string|null |
| 1155 | * @since 1.27 |
| 1156 | */ |
| 1157 | public function getDescriptionShortUrl() { |
| 1158 | if ( !$this->title ) { |
| 1159 | return null; // Avoid hard failure when the file does not exist. T221812 |
| 1160 | } |
| 1161 | |
| 1162 | $pageId = $this->title->getArticleID(); |
| 1163 | |
| 1164 | if ( $pageId ) { |
| 1165 | $url = $this->repo->makeUrl( [ 'curid' => $pageId ] ); |
| 1166 | if ( $url !== false ) { |
| 1167 | return $url; |
| 1168 | } |
| 1169 | } |
| 1170 | return null; |
| 1171 | } |
| 1172 | |
| 1173 | /** |
| 1174 | * Get handler-specific metadata as a serialized string |
| 1175 | * |
| 1176 | * @deprecated since 1.37 use getMetadataArray() or getMetadataItem() |
| 1177 | * @return string |
| 1178 | */ |
| 1179 | public function getMetadata() { |
| 1180 | $data = $this->getMetadataArray(); |
| 1181 | if ( !$data ) { |
| 1182 | return ''; |
| 1183 | } elseif ( array_keys( $data ) === [ '_error' ] ) { |
| 1184 | // Legacy error encoding |
| 1185 | return $data['_error']; |
| 1186 | } else { |
| 1187 | return serialize( $this->getMetadataArray() ); |
| 1188 | } |
| 1189 | } |
| 1190 | |
| 1191 | /** |
| 1192 | * Get unserialized handler-specific metadata |
| 1193 | * |
| 1194 | * @since 1.37 |
| 1195 | * @return array |
| 1196 | */ |
| 1197 | public function getMetadataArray(): array { |
| 1198 | $this->load( self::LOAD_ALL ); |
| 1199 | if ( $this->unloadedMetadataBlobs ) { |
| 1200 | return $this->getMetadataItems( |
| 1201 | array_unique( array_merge( |
| 1202 | array_keys( $this->metadataArray ), |
| 1203 | array_keys( $this->unloadedMetadataBlobs ) |
| 1204 | ) ) |
| 1205 | ); |
| 1206 | } |
| 1207 | return $this->metadataArray; |
| 1208 | } |
| 1209 | |
| 1210 | public function getMetadataItems( array $itemNames ): array { |
| 1211 | $this->load( self::LOAD_ALL ); |
| 1212 | $result = []; |
| 1213 | $addresses = []; |
| 1214 | foreach ( $itemNames as $itemName ) { |
| 1215 | if ( array_key_exists( $itemName, $this->metadataArray ) ) { |
| 1216 | $result[$itemName] = $this->metadataArray[$itemName]; |
| 1217 | } elseif ( isset( $this->unloadedMetadataBlobs[$itemName] ) ) { |
| 1218 | $addresses[$itemName] = $this->unloadedMetadataBlobs[$itemName]; |
| 1219 | } |
| 1220 | } |
| 1221 | |
| 1222 | if ( $addresses ) { |
| 1223 | $resultFromBlob = $this->metadataStorageHelper->getMetadataFromBlobStore( $addresses ); |
| 1224 | foreach ( $addresses as $itemName => $address ) { |
| 1225 | unset( $this->unloadedMetadataBlobs[$itemName] ); |
| 1226 | $value = $resultFromBlob[$itemName] ?? null; |
| 1227 | if ( $value !== null ) { |
| 1228 | $result[$itemName] = $value; |
| 1229 | $this->metadataArray[$itemName] = $value; |
| 1230 | } |
| 1231 | } |
| 1232 | } |
| 1233 | return $result; |
| 1234 | } |
| 1235 | |
| 1236 | /** |
| 1237 | * Serialize the metadata array for insertion into img_metadata, oi_metadata |
| 1238 | * or fa_metadata. |
| 1239 | * |
| 1240 | * If metadata splitting is enabled, this may write blobs to the database, |
| 1241 | * returning their addresses. |
| 1242 | * |
| 1243 | * @internal |
| 1244 | * @param IReadableDatabase $db |
| 1245 | * @return string|Blob |
| 1246 | */ |
| 1247 | public function getMetadataForDb( IReadableDatabase $db ) { |
| 1248 | $this->load( self::LOAD_ALL ); |
| 1249 | if ( !$this->metadataArray && !$this->metadataBlobs ) { |
| 1250 | $s = ''; |
| 1251 | } elseif ( $this->repo->isJsonMetadataEnabled() ) { |
| 1252 | $s = $this->getJsonMetadata(); |
| 1253 | } else { |
| 1254 | $s = serialize( $this->getMetadataArray() ); |
| 1255 | } |
| 1256 | if ( !is_string( $s ) ) { |
| 1257 | throw new RuntimeException( 'Could not serialize image metadata value for DB' ); |
| 1258 | } |
| 1259 | return $db->encodeBlob( $s ); |
| 1260 | } |
| 1261 | |
| 1262 | /** |
| 1263 | * Get metadata in JSON format ready for DB insertion, optionally splitting |
| 1264 | * items out to BlobStore. |
| 1265 | * |
| 1266 | * @return string |
| 1267 | */ |
| 1268 | private function getJsonMetadata() { |
| 1269 | // Directly store data that is not already in BlobStore |
| 1270 | $envelope = [ |
| 1271 | 'data' => array_diff_key( $this->metadataArray, $this->metadataBlobs ) |
| 1272 | ]; |
| 1273 | |
| 1274 | // Also store the blob addresses |
| 1275 | if ( $this->metadataBlobs ) { |
| 1276 | $envelope['blobs'] = $this->metadataBlobs; |
| 1277 | } |
| 1278 | |
| 1279 | [ $s, $blobAddresses ] = $this->metadataStorageHelper->getJsonMetadata( $this, $envelope ); |
| 1280 | |
| 1281 | // Repeated calls to this function should not keep inserting more blobs |
| 1282 | $this->metadataBlobs += $blobAddresses; |
| 1283 | |
| 1284 | return $s; |
| 1285 | } |
| 1286 | |
| 1287 | /** |
| 1288 | * Determine whether the loaded metadata may be a candidate for splitting, by measuring its |
| 1289 | * serialized size. Helper for maybeUpgradeRow(). |
| 1290 | * |
| 1291 | * @return bool |
| 1292 | */ |
| 1293 | private function isMetadataOversize() { |
| 1294 | if ( !$this->repo->isSplitMetadataEnabled() ) { |
| 1295 | return false; |
| 1296 | } |
| 1297 | $threshold = $this->repo->getSplitMetadataThreshold(); |
| 1298 | $directItems = array_diff_key( $this->metadataArray, $this->metadataBlobs ); |
| 1299 | foreach ( $directItems as $value ) { |
| 1300 | if ( strlen( $this->metadataStorageHelper->jsonEncode( $value ) ) > $threshold ) { |
| 1301 | return true; |
| 1302 | } |
| 1303 | } |
| 1304 | return false; |
| 1305 | } |
| 1306 | |
| 1307 | /** |
| 1308 | * Unserialize a metadata blob which came from the database and store it |
| 1309 | * in $this. |
| 1310 | * |
| 1311 | * @since 1.37 |
| 1312 | * @param IReadableDatabase $db |
| 1313 | * @param string|Blob $metadataBlob |
| 1314 | */ |
| 1315 | protected function loadMetadataFromDbFieldValue( IReadableDatabase $db, $metadataBlob ) { |
| 1316 | $this->loadMetadataFromString( $db->decodeBlob( $metadataBlob ) ); |
| 1317 | } |
| 1318 | |
| 1319 | /** |
| 1320 | * Unserialize a metadata string which came from some non-DB source, or is |
| 1321 | * the return value of IReadableDatabase::decodeBlob(). |
| 1322 | * |
| 1323 | * @since 1.37 |
| 1324 | * @param string $metadataString |
| 1325 | */ |
| 1326 | protected function loadMetadataFromString( $metadataString ) { |
| 1327 | $this->extraDataLoaded = true; |
| 1328 | $this->metadataArray = []; |
| 1329 | $this->metadataBlobs = []; |
| 1330 | $this->unloadedMetadataBlobs = []; |
| 1331 | $metadataString = (string)$metadataString; |
| 1332 | if ( $metadataString === '' ) { |
| 1333 | $this->metadataSerializationFormat = self::MDS_EMPTY; |
| 1334 | return; |
| 1335 | } |
| 1336 | if ( $metadataString[0] === '{' ) { |
| 1337 | $envelope = $this->metadataStorageHelper->jsonDecode( $metadataString ); |
| 1338 | if ( !$envelope ) { |
| 1339 | // Legacy error encoding |
| 1340 | $this->metadataArray = [ '_error' => $metadataString ]; |
| 1341 | $this->metadataSerializationFormat = self::MDS_LEGACY; |
| 1342 | } else { |
| 1343 | $this->metadataSerializationFormat = self::MDS_JSON; |
| 1344 | if ( isset( $envelope['data'] ) ) { |
| 1345 | $this->metadataArray = $envelope['data']; |
| 1346 | } |
| 1347 | if ( isset( $envelope['blobs'] ) ) { |
| 1348 | $this->metadataBlobs = $this->unloadedMetadataBlobs = $envelope['blobs']; |
| 1349 | } |
| 1350 | } |
| 1351 | } else { |
| 1352 | // phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged |
| 1353 | $data = @unserialize( $metadataString ); |
| 1354 | if ( !is_array( $data ) ) { |
| 1355 | // Legacy error encoding |
| 1356 | $data = [ '_error' => $metadataString ]; |
| 1357 | $this->metadataSerializationFormat = self::MDS_LEGACY; |
| 1358 | } else { |
| 1359 | $this->metadataSerializationFormat = self::MDS_PHP; |
| 1360 | } |
| 1361 | $this->metadataArray = $data; |
| 1362 | } |
| 1363 | } |
| 1364 | |
| 1365 | /** |
| 1366 | * @stable to override |
| 1367 | * @return int |
| 1368 | */ |
| 1369 | public function getBitDepth() { |
| 1370 | $this->load(); |
| 1371 | |
| 1372 | return (int)$this->bits; |
| 1373 | } |
| 1374 | |
| 1375 | /** |
| 1376 | * Returns the size of the image file, in bytes |
| 1377 | * @stable to override |
| 1378 | * @return int |
| 1379 | */ |
| 1380 | public function getSize() { |
| 1381 | $this->load(); |
| 1382 | |
| 1383 | return $this->size; |
| 1384 | } |
| 1385 | |
| 1386 | /** |
| 1387 | * Returns the MIME type of the file. |
| 1388 | * @stable to override |
| 1389 | * @return string |
| 1390 | */ |
| 1391 | public function getMimeType() { |
| 1392 | $this->load(); |
| 1393 | |
| 1394 | return $this->mime; |
| 1395 | } |
| 1396 | |
| 1397 | /** |
| 1398 | * Returns the type of the media in the file. |
| 1399 | * Use the value returned by this function with the MEDIATYPE_xxx constants. |
| 1400 | * @stable to override |
| 1401 | * @return string |
| 1402 | */ |
| 1403 | public function getMediaType() { |
| 1404 | $this->load(); |
| 1405 | |
| 1406 | return $this->media_type; |
| 1407 | } |
| 1408 | |
| 1409 | /** canRender inherited */ |
| 1410 | /** mustRender inherited */ |
| 1411 | /** allowInlineDisplay inherited */ |
| 1412 | /** isSafeFile inherited */ |
| 1413 | /** isTrustedFile inherited */ |
| 1414 | |
| 1415 | /** |
| 1416 | * Returns true if the file exists on disk. |
| 1417 | * @stable to override |
| 1418 | * @return bool Whether file exist on disk. |
| 1419 | */ |
| 1420 | public function exists() { |
| 1421 | $this->load(); |
| 1422 | |
| 1423 | return $this->fileExists; |
| 1424 | } |
| 1425 | |
| 1426 | /** getTransformScript inherited */ |
| 1427 | /** getUnscaledThumb inherited */ |
| 1428 | /** thumbName inherited */ |
| 1429 | /** createThumb inherited */ |
| 1430 | /** transform inherited */ |
| 1431 | |
| 1432 | /** getHandler inherited */ |
| 1433 | /** iconThumb inherited */ |
| 1434 | /** getLastError inherited */ |
| 1435 | |
| 1436 | /** |
| 1437 | * Get all thumbnail names previously generated for this file. |
| 1438 | * |
| 1439 | * This should be called during POST requests only (and other db-writing |
| 1440 | * contexts) as it may involve connections across multiple data centers |
| 1441 | * (e.g. both backends of a FileBackendMultiWrite setup). |
| 1442 | * |
| 1443 | * @stable to override |
| 1444 | * @param string|false $archiveName Name of an archive file, default false |
| 1445 | * @return array First element is the base dir, then files in that base dir. |
| 1446 | */ |
| 1447 | protected function getThumbnails( $archiveName = false ) { |
| 1448 | if ( $archiveName ) { |
| 1449 | $dir = $this->getArchiveThumbPath( $archiveName ); |
| 1450 | } else { |
| 1451 | $dir = $this->getThumbPath(); |
| 1452 | } |
| 1453 | |
| 1454 | $backend = $this->repo->getBackend(); |
| 1455 | $files = [ $dir ]; |
| 1456 | try { |
| 1457 | $iterator = $backend->getFileList( [ 'dir' => $dir, 'forWrite' => true ] ); |
| 1458 | if ( $iterator !== null ) { |
| 1459 | foreach ( $iterator as $file ) { |
| 1460 | $files[] = $file; |
| 1461 | } |
| 1462 | } |
| 1463 | } catch ( FileBackendError $e ) { |
| 1464 | } // suppress (T56674) |
| 1465 | |
| 1466 | return $files; |
| 1467 | } |
| 1468 | |
| 1469 | /** |
| 1470 | * Delete all previously generated thumbnails, refresh metadata in memcached and purge the CDN. |
| 1471 | * @stable to override |
| 1472 | * |
| 1473 | * @param array $options An array potentially with the key forThumbRefresh. |
| 1474 | * |
| 1475 | * @note This used to purge old thumbnails by default as well, but doesn't anymore. |
| 1476 | */ |
| 1477 | public function purgeCache( $options = [] ) { |
| 1478 | // Refresh metadata in memcached, but don't touch thumbnails or CDN |
| 1479 | $this->maybeUpgradeRow(); |
| 1480 | $this->invalidateCache(); |
| 1481 | |
| 1482 | // Delete thumbnails |
| 1483 | $this->purgeThumbnails( $options ); |
| 1484 | |
| 1485 | // Purge CDN cache for this file |
| 1486 | $hcu = MediaWikiServices::getInstance()->getHtmlCacheUpdater(); |
| 1487 | $hcu->purgeUrls( |
| 1488 | $this->getUrl(), |
| 1489 | !empty( $options['forThumbRefresh'] ) |
| 1490 | ? $hcu::PURGE_PRESEND // just a manual purge |
| 1491 | : $hcu::PURGE_INTENT_TXROUND_REFLECTED |
| 1492 | ); |
| 1493 | } |
| 1494 | |
| 1495 | /** |
| 1496 | * Delete cached transformed files for an archived version only. |
| 1497 | * @stable to override |
| 1498 | * @param string $archiveName Name of the archived file |
| 1499 | */ |
| 1500 | public function purgeOldThumbnails( $archiveName ) { |
| 1501 | // Get a list of old thumbnails |
| 1502 | $thumbs = $this->getThumbnails( $archiveName ); |
| 1503 | |
| 1504 | // Delete thumbnails from storage, and prevent the directory itself from being purged |
| 1505 | $dir = array_shift( $thumbs ); |
| 1506 | $this->purgeThumbList( $dir, $thumbs ); |
| 1507 | |
| 1508 | $urls = []; |
| 1509 | foreach ( $thumbs as $thumb ) { |
| 1510 | $urls[] = $this->getArchiveThumbUrl( $archiveName, $thumb ); |
| 1511 | } |
| 1512 | |
| 1513 | // Purge any custom thumbnail caches |
| 1514 | $this->getHookRunner()->onLocalFilePurgeThumbnails( $this, $archiveName, $urls ); |
| 1515 | |
| 1516 | // Purge the CDN |
| 1517 | $hcu = MediaWikiServices::getInstance()->getHtmlCacheUpdater(); |
| 1518 | $hcu->purgeUrls( $urls, $hcu::PURGE_PRESEND ); |
| 1519 | } |
| 1520 | |
| 1521 | /** |
| 1522 | * Delete cached transformed files for the current version only. |
| 1523 | * @stable to override |
| 1524 | * @param array $options |
| 1525 | * @phan-param array{forThumbRefresh?:bool} $options |
| 1526 | */ |
| 1527 | public function purgeThumbnails( $options = [] ) { |
| 1528 | $thumbs = $this->getThumbnails(); |
| 1529 | |
| 1530 | // Delete thumbnails from storage, and prevent the directory itself from being purged |
| 1531 | $dir = array_shift( $thumbs ); |
| 1532 | $this->purgeThumbList( $dir, $thumbs ); |
| 1533 | |
| 1534 | // Always purge all files from CDN regardless of handler filters |
| 1535 | $urls = []; |
| 1536 | foreach ( $thumbs as $thumb ) { |
| 1537 | $urls[] = $this->getThumbUrl( $thumb ); |
| 1538 | } |
| 1539 | |
| 1540 | // Give the media handler a chance to filter the file purge list |
| 1541 | if ( !empty( $options['forThumbRefresh'] ) ) { |
| 1542 | $handler = $this->getHandler(); |
| 1543 | if ( $handler ) { |
| 1544 | $handler->filterThumbnailPurgeList( $thumbs, $options ); |
| 1545 | } |
| 1546 | } |
| 1547 | |
| 1548 | // Purge any custom thumbnail caches |
| 1549 | $this->getHookRunner()->onLocalFilePurgeThumbnails( $this, false, $urls ); |
| 1550 | |
| 1551 | // Purge the CDN |
| 1552 | $hcu = MediaWikiServices::getInstance()->getHtmlCacheUpdater(); |
| 1553 | $hcu->purgeUrls( |
| 1554 | $urls, |
| 1555 | !empty( $options['forThumbRefresh'] ) |
| 1556 | ? $hcu::PURGE_PRESEND // just a manual purge |
| 1557 | : $hcu::PURGE_INTENT_TXROUND_REFLECTED |
| 1558 | ); |
| 1559 | } |
| 1560 | |
| 1561 | /** |
| 1562 | * Prerenders a configurable set of thumbnails |
| 1563 | * @stable to override |
| 1564 | * |
| 1565 | * @since 1.28 |
| 1566 | */ |
| 1567 | public function prerenderThumbnails() { |
| 1568 | $uploadThumbnailRenderMap = MediaWikiServices::getInstance() |
| 1569 | ->getMainConfig()->get( MainConfigNames::UploadThumbnailRenderMap ); |
| 1570 | |
| 1571 | $jobs = []; |
| 1572 | |
| 1573 | $sizes = $uploadThumbnailRenderMap; |
| 1574 | rsort( $sizes ); |
| 1575 | |
| 1576 | foreach ( $sizes as $size ) { |
| 1577 | if ( $this->isMultipage() ) { |
| 1578 | // (T309114) Only trigger render jobs up to MAX_PAGE_RENDER_JOBS to avoid |
| 1579 | // a flood of jobs for huge files. |
| 1580 | $pageLimit = min( $this->pageCount(), self::MAX_PAGE_RENDER_JOBS ); |
| 1581 | |
| 1582 | $jobs[] = new ThumbnailRenderJob( |
| 1583 | $this->getTitle(), |
| 1584 | [ |
| 1585 | 'transformParams' => [ 'width' => $size, 'page' => 1 ], |
| 1586 | 'enqueueNextPage' => true, |
| 1587 | 'pageLimit' => $pageLimit |
| 1588 | ] |
| 1589 | ); |
| 1590 | } elseif ( $this->isVectorized() || $this->getWidth() > $size ) { |
| 1591 | $jobs[] = new ThumbnailRenderJob( |
| 1592 | $this->getTitle(), |
| 1593 | [ 'transformParams' => [ 'width' => $size ] ] |
| 1594 | ); |
| 1595 | } |
| 1596 | } |
| 1597 | |
| 1598 | if ( $jobs ) { |
| 1599 | MediaWikiServices::getInstance()->getJobQueueGroup()->lazyPush( $jobs ); |
| 1600 | } |
| 1601 | } |
| 1602 | |
| 1603 | /** |
| 1604 | * Delete a list of thumbnails visible at urls |
| 1605 | * @stable to override |
| 1606 | * @param string $dir Base dir of the files. |
| 1607 | * @param array $files Array of strings: relative filenames (to $dir) |
| 1608 | */ |
| 1609 | protected function purgeThumbList( $dir, $files ) { |
| 1610 | $fileListDebug = strtr( |
| 1611 | var_export( $files, true ), |
| 1612 | [ "\n" => '' ] |
| 1613 | ); |
| 1614 | wfDebug( __METHOD__ . ": $fileListDebug" ); |
| 1615 | |
| 1616 | if ( $this->repo->supportsSha1URLs() ) { |
| 1617 | $reference = $this->getSha1(); |
| 1618 | } else { |
| 1619 | $reference = $this->getName(); |
| 1620 | } |
| 1621 | |
| 1622 | $purgeList = []; |
| 1623 | foreach ( $files as $file ) { |
| 1624 | # Check that the reference (filename or sha1) is part of the thumb name |
| 1625 | # This is a basic check to avoid erasing unrelated directories |
| 1626 | if ( str_contains( $file, $reference ) |
| 1627 | || str_contains( $file, "-thumbnail" ) // "short" thumb name |
| 1628 | ) { |
| 1629 | $purgeList[] = "{$dir}/{$file}"; |
| 1630 | } |
| 1631 | } |
| 1632 | |
| 1633 | # Delete the thumbnails |
| 1634 | $this->repo->quickPurgeBatch( $purgeList ); |
| 1635 | # Clear out the thumbnail directory if empty |
| 1636 | $this->repo->quickCleanDir( $dir ); |
| 1637 | } |
| 1638 | |
| 1639 | /** purgeDescription inherited */ |
| 1640 | /** purgeEverything inherited */ |
| 1641 | |
| 1642 | /** |
| 1643 | * @stable to override |
| 1644 | * @param int|null $limit Optional: Limit to number of results |
| 1645 | * @param string|int|null $start Optional: Timestamp, start from |
| 1646 | * @param string|int|null $end Optional: Timestamp, end at |
| 1647 | * @param bool $inc |
| 1648 | * @return OldLocalFile[] Guaranteed to be in descending order |
| 1649 | */ |
| 1650 | public function getHistory( $limit = null, $start = null, $end = null, $inc = true ) { |
| 1651 | if ( !$this->exists() ) { |
| 1652 | return []; // Avoid hard failure when the file does not exist. T221812 |
| 1653 | } |
| 1654 | |
| 1655 | $dbr = $this->repo->getReplicaDB(); |
| 1656 | $oldFileQuery = FileSelectQueryBuilder::newForOldFile( $dbr )->getQueryInfo(); |
| 1657 | |
| 1658 | $tables = $oldFileQuery['tables']; |
| 1659 | $fields = $oldFileQuery['fields']; |
| 1660 | $join_conds = $oldFileQuery['join_conds']; |
| 1661 | $conds = $opts = []; |
| 1662 | $eq = $inc ? '=' : ''; |
| 1663 | $conds[] = $dbr->expr( 'oi_name', '=', $this->title->getDBkey() ); |
| 1664 | |
| 1665 | if ( $start ) { |
| 1666 | $conds[] = $dbr->expr( 'oi_timestamp', "<$eq", $dbr->timestamp( $start ) ); |
| 1667 | } |
| 1668 | |
| 1669 | if ( $end ) { |
| 1670 | $conds[] = $dbr->expr( 'oi_timestamp', ">$eq", $dbr->timestamp( $end ) ); |
| 1671 | } |
| 1672 | |
| 1673 | if ( $limit ) { |
| 1674 | $opts['LIMIT'] = $limit; |
| 1675 | } |
| 1676 | |
| 1677 | // Search backwards for time > x queries |
| 1678 | $order = ( !$start && $end !== null ) ? 'ASC' : 'DESC'; |
| 1679 | $opts['ORDER BY'] = "oi_timestamp $order"; |
| 1680 | $opts['USE INDEX'] = [ 'oldimage' => 'oi_name_timestamp' ]; |
| 1681 | |
| 1682 | $this->getHookRunner()->onLocalFile__getHistory( $this, $tables, $fields, |
| 1683 | $conds, $opts, $join_conds ); |
| 1684 | |
| 1685 | $res = $dbr->newSelectQueryBuilder() |
| 1686 | ->tables( $tables ) |
| 1687 | ->fields( $fields ) |
| 1688 | ->conds( $conds ) |
| 1689 | ->caller( __METHOD__ ) |
| 1690 | ->options( $opts ) |
| 1691 | ->joinConds( $join_conds ) |
| 1692 | ->fetchResultSet(); |
| 1693 | $r = []; |
| 1694 | |
| 1695 | foreach ( $res as $row ) { |
| 1696 | $r[] = $this->repo->newFileFromRow( $row ); |
| 1697 | } |
| 1698 | |
| 1699 | if ( $order == 'ASC' ) { |
| 1700 | $r = array_reverse( $r ); // make sure it ends up descending |
| 1701 | } |
| 1702 | |
| 1703 | return $r; |
| 1704 | } |
| 1705 | |
| 1706 | /** |
| 1707 | * Returns the history of this file, line by line. |
| 1708 | * starts with current version, then old versions. |
| 1709 | * uses $this->historyLine to check which line to return: |
| 1710 | * 0 return line for current version |
| 1711 | * 1 query for old versions, return first one |
| 1712 | * 2, ... return next old version from above query |
| 1713 | * @stable to override |
| 1714 | * @return stdClass|false |
| 1715 | */ |
| 1716 | public function nextHistoryLine() { |
| 1717 | if ( !$this->exists() ) { |
| 1718 | return false; // Avoid hard failure when the file does not exist. T221812 |
| 1719 | } |
| 1720 | |
| 1721 | # Polymorphic function name to distinguish foreign and local fetches |
| 1722 | $fname = static::class . '::' . __FUNCTION__; |
| 1723 | |
| 1724 | $dbr = $this->repo->getReplicaDB(); |
| 1725 | |
| 1726 | if ( $this->historyLine == 0 ) { // called for the first time, return line from cur |
| 1727 | $queryBuilder = FileSelectQueryBuilder::newForFile( $dbr ); |
| 1728 | |
| 1729 | $queryBuilder->fields( [ 'oi_archive_name' => $dbr->addQuotes( '' ), 'oi_deleted' => '0' ] ) |
| 1730 | ->where( [ 'img_name' => $this->title->getDBkey() ] ); |
| 1731 | $this->historyRes = $queryBuilder->caller( $fname )->fetchResultSet(); |
| 1732 | |
| 1733 | if ( $this->historyRes->numRows() == 0 ) { |
| 1734 | $this->historyRes = null; |
| 1735 | |
| 1736 | return false; |
| 1737 | } |
| 1738 | } elseif ( $this->historyLine == 1 ) { |
| 1739 | $queryBuilder = FileSelectQueryBuilder::newForOldFile( $dbr ); |
| 1740 | |
| 1741 | $this->historyRes = $queryBuilder->where( [ 'oi_name' => $this->title->getDBkey() ] ) |
| 1742 | ->orderBy( 'oi_timestamp', SelectQueryBuilder::SORT_DESC ) |
| 1743 | ->caller( $fname )->fetchResultSet(); |
| 1744 | } |
| 1745 | $this->historyLine++; |
| 1746 | |
| 1747 | return $this->historyRes->fetchObject(); |
| 1748 | } |
| 1749 | |
| 1750 | /** |
| 1751 | * Reset the history pointer to the first element of the history |
| 1752 | * @stable to override |
| 1753 | */ |
| 1754 | public function resetHistory() { |
| 1755 | $this->historyLine = 0; |
| 1756 | |
| 1757 | if ( $this->historyRes !== null ) { |
| 1758 | $this->historyRes = null; |
| 1759 | } |
| 1760 | } |
| 1761 | |
| 1762 | /** getHashPath inherited */ |
| 1763 | /** getRel inherited */ |
| 1764 | /** getUrlRel inherited */ |
| 1765 | /** getArchiveRel inherited */ |
| 1766 | /** getArchivePath inherited */ |
| 1767 | /** getThumbPath inherited */ |
| 1768 | /** getArchiveUrl inherited */ |
| 1769 | /** getThumbUrl inherited */ |
| 1770 | /** getArchiveVirtualUrl inherited */ |
| 1771 | /** getThumbVirtualUrl inherited */ |
| 1772 | /** isHashed inherited */ |
| 1773 | |
| 1774 | /** |
| 1775 | * Upload a file and record it in the DB |
| 1776 | * @param string|FSFile $src Source storage path, virtual URL, or filesystem path |
| 1777 | * @param string $comment Upload description |
| 1778 | * @param string $pageText Text to use for the new description page, |
| 1779 | * if a new description page is created |
| 1780 | * @param int $flags Flags for publish() |
| 1781 | * @param array|false $props File properties, if known. This can be used to |
| 1782 | * reduce the upload time when uploading virtual URLs for which the file |
| 1783 | * info is already known |
| 1784 | * @param string|false $timestamp Timestamp for img_timestamp, or false to use the |
| 1785 | * current time. Can be in any format accepted by ConvertibleTimestamp. |
| 1786 | * @param Authority|null $uploader object or null to use the context authority |
| 1787 | * @param string[] $tags Change tags to add to the log entry and page revision. |
| 1788 | * (This doesn't check $uploader's permissions.) |
| 1789 | * @param bool $createNullRevision Set to false to avoid creation of a null revision on file |
| 1790 | * upload, see T193621 |
| 1791 | * @param bool $revert If this file upload is a revert |
| 1792 | * @return Status On success, the value member contains the |
| 1793 | * archive name, or an empty string if it was a new file. |
| 1794 | */ |
| 1795 | public function upload( $src, $comment, $pageText, $flags = 0, $props = false, |
| 1796 | $timestamp = false, ?Authority $uploader = null, $tags = [], |
| 1797 | $createNullRevision = true, $revert = false |
| 1798 | ) { |
| 1799 | if ( $this->getRepo()->getReadOnlyReason() !== false ) { |
| 1800 | return $this->readOnlyFatalStatus(); |
| 1801 | } elseif ( MediaWikiServices::getInstance()->getRevisionStore()->isReadOnly() ) { |
| 1802 | // Check this in advance to avoid writing to FileBackend and the file tables, |
| 1803 | // only to fail on insert the revision due to the text store being unavailable. |
| 1804 | return $this->readOnlyFatalStatus(); |
| 1805 | } |
| 1806 | |
| 1807 | $srcPath = ( $src instanceof FSFile ) ? $src->getPath() : $src; |
| 1808 | if ( !$props ) { |
| 1809 | if ( FileRepo::isVirtualUrl( $srcPath ) |
| 1810 | || FileBackend::isStoragePath( $srcPath ) |
| 1811 | ) { |
| 1812 | $props = $this->repo->getFileProps( $srcPath ); |
| 1813 | } else { |
| 1814 | $mwProps = new MWFileProps( MediaWikiServices::getInstance()->getMimeAnalyzer() ); |
| 1815 | $props = $mwProps->getPropsFromPath( $srcPath, true ); |
| 1816 | } |
| 1817 | } |
| 1818 | |
| 1819 | $options = []; |
| 1820 | $handler = MediaHandler::getHandler( $props['mime'] ); |
| 1821 | if ( $handler ) { |
| 1822 | if ( is_string( $props['metadata'] ) ) { |
| 1823 | // This supports callers directly fabricating a metadata |
| 1824 | // property using serialize(). Normally the metadata property |
| 1825 | // comes from MWFileProps, in which case it won't be a string. |
| 1826 | // phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged |
| 1827 | $metadata = @unserialize( $props['metadata'] ); |
| 1828 | } else { |
| 1829 | $metadata = $props['metadata']; |
| 1830 | } |
| 1831 | |
| 1832 | if ( is_array( $metadata ) ) { |
| 1833 | $options['headers'] = $handler->getContentHeaders( $metadata ); |
| 1834 | } |
| 1835 | } else { |
| 1836 | $options['headers'] = []; |
| 1837 | } |
| 1838 | |
| 1839 | // Trim spaces on user supplied text |
| 1840 | $comment = trim( $comment ); |
| 1841 | |
| 1842 | $status = $this->publish( $src, $flags, $options ); |
| 1843 | |
| 1844 | if ( $status->successCount >= 2 ) { |
| 1845 | // There will be a copy+(one of move,copy,store). |
| 1846 | // The first succeeding does not commit us to updating the DB |
| 1847 | // since it simply copied the current version to a timestamped file name. |
| 1848 | // It is only *preferable* to avoid leaving such files orphaned. |
| 1849 | // Once the second operation goes through, then the current version was |
| 1850 | // updated and we must therefore update the DB too. |
| 1851 | $oldver = $status->value; |
| 1852 | |
| 1853 | $uploadStatus = $this->recordUpload3( |
| 1854 | $oldver, |
| 1855 | $comment, |
| 1856 | $pageText, |
| 1857 | $uploader ?? RequestContext::getMain()->getAuthority(), |
| 1858 | $props, |
| 1859 | $timestamp, |
| 1860 | $tags, |
| 1861 | $createNullRevision, |
| 1862 | $revert |
| 1863 | ); |
| 1864 | if ( !$uploadStatus->isOK() ) { |
| 1865 | if ( $uploadStatus->hasMessage( 'filenotfound' ) ) { |
| 1866 | // update filenotfound error with more specific path |
| 1867 | $status->fatal( 'filenotfound', $srcPath ); |
| 1868 | } else { |
| 1869 | $status->merge( $uploadStatus ); |
| 1870 | } |
| 1871 | } |
| 1872 | } |
| 1873 | |
| 1874 | return $status; |
| 1875 | } |
| 1876 | |
| 1877 | /** |
| 1878 | * Record a file upload in the upload log and the image table (version 3) |
| 1879 | * @since 1.35 |
| 1880 | * @stable to override |
| 1881 | * @param string $oldver |
| 1882 | * @param string $comment |
| 1883 | * @param string $pageText File description page text (only used for new uploads) |
| 1884 | * @param Authority $performer |
| 1885 | * @param array|false $props |
| 1886 | * @param string|false $timestamp Can be in any format accepted by ConvertibleTimestamp |
| 1887 | * @param string[] $tags |
| 1888 | * @param bool $createNullRevision Set to false to avoid creation of a null revision on file |
| 1889 | * upload, see T193621 |
| 1890 | * @param bool $revert If this file upload is a revert |
| 1891 | * @return Status |
| 1892 | */ |
| 1893 | public function recordUpload3( |
| 1894 | string $oldver, |
| 1895 | string $comment, |
| 1896 | string $pageText, |
| 1897 | Authority $performer, |
| 1898 | $props = false, |
| 1899 | $timestamp = false, |
| 1900 | $tags = [], |
| 1901 | bool $createNullRevision = true, |
| 1902 | bool $revert = false |
| 1903 | ): Status { |
| 1904 | $dbw = $this->repo->getPrimaryDB(); |
| 1905 | |
| 1906 | # Imports or such might force a certain timestamp; otherwise we generate |
| 1907 | # it and can fudge it slightly to keep (name,timestamp) unique on re-upload. |
| 1908 | if ( $timestamp === false ) { |
| 1909 | $timestamp = $dbw->timestamp(); |
| 1910 | $allowTimeKludge = true; |
| 1911 | } else { |
| 1912 | $allowTimeKludge = false; |
| 1913 | } |
| 1914 | |
| 1915 | $props = $props ?: $this->repo->getFileProps( $this->getVirtualUrl() ); |
| 1916 | $props['description'] = $comment; |
| 1917 | $props['timestamp'] = wfTimestamp( TS_MW, $timestamp ); // DB -> TS_MW |
| 1918 | $this->setProps( $props ); |
| 1919 | |
| 1920 | # Fail now if the file isn't there |
| 1921 | if ( !$this->fileExists ) { |
| 1922 | wfDebug( __METHOD__ . ": File " . $this->getRel() . " went missing!" ); |
| 1923 | |
| 1924 | return Status::newFatal( 'filenotfound', $this->getRel() ); |
| 1925 | } |
| 1926 | |
| 1927 | $mimeAnalyzer = MediaWikiServices::getInstance()->getMimeAnalyzer(); |
| 1928 | if ( !$mimeAnalyzer->isValidMajorMimeType( $this->major_mime ) ) { |
| 1929 | $this->major_mime = 'unknown'; |
| 1930 | } |
| 1931 | |
| 1932 | $actorNormalizaton = MediaWikiServices::getInstance()->getActorNormalization(); |
| 1933 | |
| 1934 | $dbw->startAtomic( __METHOD__ ); |
| 1935 | |
| 1936 | $actorId = $actorNormalizaton->acquireActorId( $performer->getUser(), $dbw ); |
| 1937 | $this->user = $performer->getUser(); |
| 1938 | |
| 1939 | # Test to see if the row exists using INSERT IGNORE |
| 1940 | # This avoids race conditions by locking the row until the commit, and also |
| 1941 | # doesn't deadlock. SELECT FOR UPDATE causes a deadlock for every race condition. |
| 1942 | $commentStore = MediaWikiServices::getInstance()->getCommentStore(); |
| 1943 | $commentFields = $commentStore->insert( $dbw, 'img_description', $comment ); |
| 1944 | $actorFields = [ 'img_actor' => $actorId ]; |
| 1945 | $dbw->newInsertQueryBuilder() |
| 1946 | ->insertInto( 'image' ) |
| 1947 | ->ignore() |
| 1948 | ->row( [ |
| 1949 | 'img_name' => $this->getName(), |
| 1950 | 'img_size' => $this->size, |
| 1951 | 'img_width' => intval( $this->width ), |
| 1952 | 'img_height' => intval( $this->height ), |
| 1953 | 'img_bits' => $this->bits, |
| 1954 | 'img_media_type' => $this->media_type, |
| 1955 | 'img_major_mime' => $this->major_mime, |
| 1956 | 'img_minor_mime' => $this->minor_mime, |
| 1957 | 'img_timestamp' => $dbw->timestamp( $timestamp ), |
| 1958 | 'img_metadata' => $this->getMetadataForDb( $dbw ), |
| 1959 | 'img_sha1' => $this->sha1 |
| 1960 | ] + $commentFields + $actorFields ) |
| 1961 | ->caller( __METHOD__ )->execute(); |
| 1962 | $reupload = ( $dbw->affectedRows() == 0 ); |
| 1963 | |
| 1964 | $latestFileRevId = null; |
| 1965 | if ( $this->migrationStage & SCHEMA_COMPAT_WRITE_NEW ) { |
| 1966 | if ( $reupload ) { |
| 1967 | $latestFileRevId = $dbw->newSelectQueryBuilder() |
| 1968 | ->select( 'fr_id' ) |
| 1969 | ->from( 'filerevision' ) |
| 1970 | ->where( [ 'fr_file' => $this->acquireFileIdFromName() ] ) |
| 1971 | ->orderBy( 'fr_timestamp', 'DESC' ) |
| 1972 | ->caller( __METHOD__ ) |
| 1973 | ->fetchField(); |
| 1974 | } |
| 1975 | $commentFieldsNew = $commentStore->insert( $dbw, 'fr_description', $comment ); |
| 1976 | $dbw->newInsertQueryBuilder() |
| 1977 | ->insertInto( 'filerevision' ) |
| 1978 | ->row( [ |
| 1979 | 'fr_file' => $this->acquireFileIdFromName(), |
| 1980 | 'fr_size' => $this->size, |
| 1981 | 'fr_width' => intval( $this->width ), |
| 1982 | 'fr_height' => intval( $this->height ), |
| 1983 | 'fr_bits' => $this->bits, |
| 1984 | 'fr_actor' => $actorId, |
| 1985 | 'fr_deleted' => 0, |
| 1986 | 'fr_timestamp' => $dbw->timestamp( $timestamp ), |
| 1987 | 'fr_metadata' => $this->getMetadataForDb( $dbw ), |
| 1988 | 'fr_sha1' => $this->sha1 |
| 1989 | ] + $commentFieldsNew ) |
| 1990 | ->caller( __METHOD__ )->execute(); |
| 1991 | $dbw->newUpdateQueryBuilder() |
| 1992 | ->update( 'file' ) |
| 1993 | ->set( [ 'file_latest' => $dbw->insertId() ] ) |
| 1994 | ->where( [ 'file_id' => $this->getFileIdFromName() ] ) |
| 1995 | ->caller( __METHOD__ )->execute(); |
| 1996 | } |
| 1997 | |
| 1998 | if ( $reupload ) { |
| 1999 | $row = $dbw->newSelectQueryBuilder() |
| 2000 | ->select( [ 'img_timestamp', 'img_sha1' ] ) |
| 2001 | ->from( 'image' ) |
| 2002 | ->where( [ 'img_name' => $this->getName() ] ) |
| 2003 | ->caller( __METHOD__ )->fetchRow(); |
| 2004 | |
| 2005 | if ( $row && $row->img_sha1 === $this->sha1 ) { |
| 2006 | $dbw->endAtomic( __METHOD__ ); |
| 2007 | wfDebug( __METHOD__ . ": File " . $this->getRel() . " already exists!" ); |
| 2008 | $title = Title::newFromText( $this->getName(), NS_FILE ); |
| 2009 | return Status::newFatal( 'fileexists-no-change', $title->getPrefixedText() ); |
| 2010 | } |
| 2011 | |
| 2012 | if ( $allowTimeKludge ) { |
| 2013 | # Use LOCK IN SHARE MODE to ignore any transaction snapshotting |
| 2014 | $lUnixtime = $row ? (int)wfTimestamp( TS_UNIX, $row->img_timestamp ) : false; |
| 2015 | # Avoid a timestamp that is not newer than the last version |
| 2016 | # TODO: the image/oldimage tables should be like page/revision with an ID field |
| 2017 | if ( $lUnixtime && (int)wfTimestamp( TS_UNIX, $timestamp ) <= $lUnixtime ) { |
| 2018 | sleep( 1 ); // fast enough re-uploads would go far in the future otherwise |
| 2019 | $timestamp = $dbw->timestamp( $lUnixtime + 1 ); |
| 2020 | $this->timestamp = wfTimestamp( TS_MW, $timestamp ); // DB -> TS_MW |
| 2021 | } |
| 2022 | } |
| 2023 | |
| 2024 | $tables = [ 'image' ]; |
| 2025 | $fields = [ |
| 2026 | 'oi_name' => 'img_name', |
| 2027 | 'oi_archive_name' => $dbw->addQuotes( $oldver ), |
| 2028 | 'oi_size' => 'img_size', |
| 2029 | 'oi_width' => 'img_width', |
| 2030 | 'oi_height' => 'img_height', |
| 2031 | 'oi_bits' => 'img_bits', |
| 2032 | 'oi_description_id' => 'img_description_id', |
| 2033 | 'oi_timestamp' => 'img_timestamp', |
| 2034 | 'oi_metadata' => 'img_metadata', |
| 2035 | 'oi_media_type' => 'img_media_type', |
| 2036 | 'oi_major_mime' => 'img_major_mime', |
| 2037 | 'oi_minor_mime' => 'img_minor_mime', |
| 2038 | 'oi_sha1' => 'img_sha1', |
| 2039 | 'oi_actor' => 'img_actor', |
| 2040 | ]; |
| 2041 | |
| 2042 | if ( ( $this->migrationStage & SCHEMA_COMPAT_WRITE_NEW ) && $latestFileRevId && $oldver ) { |
| 2043 | $dbw->newUpdateQueryBuilder() |
| 2044 | ->update( 'filerevision' ) |
| 2045 | ->set( [ 'fr_archive_name' => $oldver ] ) |
| 2046 | ->where( [ 'fr_id' => $latestFileRevId ] ) |
| 2047 | ->caller( __METHOD__ )->execute(); |
| 2048 | } |
| 2049 | |
| 2050 | $joins = []; |
| 2051 | # (T36993) Note: $oldver can be empty here, if the previous |
| 2052 | # version of the file was broken. Allow registration of the new |
| 2053 | # version to continue anyway, because that's better than having |
| 2054 | # an image that's not fixable by user operations. |
| 2055 | # Collision, this is an update of a file |
| 2056 | # Insert previous contents into oldimage |
| 2057 | $dbw->insertSelect( 'oldimage', $tables, $fields, |
| 2058 | [ 'img_name' => $this->getName() ], __METHOD__, [], [], $joins ); |
| 2059 | |
| 2060 | # Update the current image row |
| 2061 | $dbw->newUpdateQueryBuilder() |
| 2062 | ->update( 'image' ) |
| 2063 | ->set( [ |
| 2064 | 'img_size' => $this->size, |
| 2065 | 'img_width' => intval( $this->width ), |
| 2066 | 'img_height' => intval( $this->height ), |
| 2067 | 'img_bits' => $this->bits, |
| 2068 | 'img_media_type' => $this->media_type, |
| 2069 | 'img_major_mime' => $this->major_mime, |
| 2070 | 'img_minor_mime' => $this->minor_mime, |
| 2071 | 'img_timestamp' => $dbw->timestamp( $timestamp ), |
| 2072 | 'img_metadata' => $this->getMetadataForDb( $dbw ), |
| 2073 | 'img_sha1' => $this->sha1 |
| 2074 | ] + $commentFields + $actorFields ) |
| 2075 | ->where( [ 'img_name' => $this->getName() ] ) |
| 2076 | ->caller( __METHOD__ )->execute(); |
| 2077 | } |
| 2078 | |
| 2079 | $descTitle = $this->getTitle(); |
| 2080 | $descId = $descTitle->getArticleID(); |
| 2081 | $wikiPage = MediaWikiServices::getInstance()->getWikiPageFactory()->newFromTitle( $descTitle ); |
| 2082 | if ( !$wikiPage instanceof WikiFilePage ) { |
| 2083 | throw new UnexpectedValueException( 'Cannot obtain instance of WikiFilePage for ' . $this->getName() |
| 2084 | . ', got instance of ' . get_class( $wikiPage ) ); |
| 2085 | } |
| 2086 | $wikiPage->setFile( $this ); |
| 2087 | |
| 2088 | // Determine log action. If reupload is done by reverting, use a special log_action. |
| 2089 | if ( $revert ) { |
| 2090 | $logAction = 'revert'; |
| 2091 | } elseif ( $reupload ) { |
| 2092 | $logAction = 'overwrite'; |
| 2093 | } else { |
| 2094 | $logAction = 'upload'; |
| 2095 | } |
| 2096 | // Add the log entry... |
| 2097 | $logEntry = new ManualLogEntry( 'upload', $logAction ); |
| 2098 | $logEntry->setTimestamp( $this->timestamp ); |
| 2099 | $logEntry->setPerformer( $performer->getUser() ); |
| 2100 | $logEntry->setComment( $comment ); |
| 2101 | $logEntry->setTarget( $descTitle ); |
| 2102 | // Allow people using the api to associate log entries with the upload. |
| 2103 | // Log has a timestamp, but sometimes different from upload timestamp. |
| 2104 | $logEntry->setParameters( |
| 2105 | [ |
| 2106 | 'img_sha1' => $this->sha1, |
| 2107 | 'img_timestamp' => $timestamp, |
| 2108 | ] |
| 2109 | ); |
| 2110 | // Note we keep $logId around since during new image |
| 2111 | // creation, page doesn't exist yet, so log_page = 0 |
| 2112 | // but we want it to point to the page we're making, |
| 2113 | // so we later modify the log entry. |
| 2114 | // For a similar reason, we avoid making an RC entry |
| 2115 | // now and wait until the page exists. |
| 2116 | $logId = $logEntry->insert(); |
| 2117 | |
| 2118 | if ( $descTitle->exists() ) { |
| 2119 | if ( $createNullRevision ) { |
| 2120 | $services = MediaWikiServices::getInstance(); |
| 2121 | // Use own context to get the action text in content language |
| 2122 | $formatter = $services->getLogFormatterFactory()->newFromEntry( $logEntry ); |
| 2123 | $formatter->setContext( RequestContext::newExtraneousContext( $descTitle ) ); |
| 2124 | $editSummary = $formatter->getPlainActionText(); |
| 2125 | |
| 2126 | $nullRevRecord = $wikiPage->newPageUpdater( $performer->getUser() ) |
| 2127 | ->setCause( PageUpdater::CAUSE_UPLOAD ) |
| 2128 | ->saveDummyRevision( $editSummary, EDIT_SILENT ); |
| 2129 | |
| 2130 | // Associate null revision id |
| 2131 | $logEntry->setAssociatedRevId( $nullRevRecord->getId() ); |
| 2132 | } |
| 2133 | |
| 2134 | $newPageContent = null; |
| 2135 | } else { |
| 2136 | // Make the description page and RC log entry post-commit |
| 2137 | $newPageContent = ContentHandler::makeContent( $pageText, $descTitle ); |
| 2138 | } |
| 2139 | |
| 2140 | // NOTE: Even after ending this atomic section, we are probably still in the implicit |
| 2141 | // transaction started by any prior master query in the request. We cannot yet safely |
| 2142 | // schedule jobs, see T263301. |
| 2143 | $dbw->endAtomic( __METHOD__ ); |
| 2144 | $fname = __METHOD__; |
| 2145 | |
| 2146 | # Do some cache purges after final commit so that: |
| 2147 | # a) Changes are more likely to be seen post-purge |
| 2148 | # b) They won't cause rollback of the log publish/update above |
| 2149 | $purgeUpdate = new AutoCommitUpdate( |
| 2150 | $dbw, |
| 2151 | __METHOD__, |
| 2152 | function () use ( |
| 2153 | $reupload, $wikiPage, $newPageContent, $comment, $performer, |
| 2154 | $logEntry, $logId, $descId, $tags, $fname |
| 2155 | ) { |
| 2156 | # Update memcache after the commit |
| 2157 | $this->invalidateCache(); |
| 2158 | |
| 2159 | $updateLogPage = false; |
| 2160 | if ( $newPageContent ) { |
| 2161 | # New file page; create the description page. |
| 2162 | # There's already a log entry, so don't make a second RC entry |
| 2163 | # CDN and file cache for the description page are purged by doUserEditContent. |
| 2164 | $revRecord = $wikiPage->newPageUpdater( $performer ) |
| 2165 | ->setCause( PageUpdater::CAUSE_UPLOAD ) |
| 2166 | ->setContent( SlotRecord::MAIN, $newPageContent ) |
| 2167 | ->saveRevision( $comment, EDIT_NEW | EDIT_SUPPRESS_RC ); |
| 2168 | |
| 2169 | if ( $revRecord ) { |
| 2170 | // Associate new page revision id |
| 2171 | $logEntry->setAssociatedRevId( $revRecord->getId() ); |
| 2172 | |
| 2173 | // This relies on the resetArticleID() call in WikiPage::insertOn(), |
| 2174 | // which is triggered on $descTitle by doUserEditContent() above. |
| 2175 | $updateLogPage = $revRecord->getPageId(); |
| 2176 | } |
| 2177 | } else { |
| 2178 | # Existing file page: invalidate description page cache |
| 2179 | $title = $wikiPage->getTitle(); |
| 2180 | $title->invalidateCache(); |
| 2181 | $hcu = MediaWikiServices::getInstance()->getHtmlCacheUpdater(); |
| 2182 | $hcu->purgeTitleUrls( $title, $hcu::PURGE_INTENT_TXROUND_REFLECTED ); |
| 2183 | # Allow the new file version to be patrolled from the page footer |
| 2184 | Article::purgePatrolFooterCache( $descId ); |
| 2185 | } |
| 2186 | |
| 2187 | # Update associated rev id. This should be done by $logEntry->insert() earlier, |
| 2188 | # but setAssociatedRevId() wasn't called at that point yet... |
| 2189 | $logParams = $logEntry->getParameters(); |
| 2190 | $logParams['associated_rev_id'] = $logEntry->getAssociatedRevId(); |
| 2191 | $update = [ 'log_params' => LogEntryBase::makeParamBlob( $logParams ) ]; |
| 2192 | if ( $updateLogPage ) { |
| 2193 | # Also log page, in case where we just created it above |
| 2194 | $update['log_page'] = $updateLogPage; |
| 2195 | } |
| 2196 | $this->getRepo()->getPrimaryDB()->newUpdateQueryBuilder() |
| 2197 | ->update( 'logging' ) |
| 2198 | ->set( $update ) |
| 2199 | ->where( [ 'log_id' => $logId ] ) |
| 2200 | ->caller( $fname )->execute(); |
| 2201 | |
| 2202 | $this->getRepo()->getPrimaryDB()->newInsertQueryBuilder() |
| 2203 | ->insertInto( 'log_search' ) |
| 2204 | ->row( [ |
| 2205 | 'ls_field' => 'associated_rev_id', |
| 2206 | 'ls_value' => (string)$logEntry->getAssociatedRevId(), |
| 2207 | 'ls_log_id' => $logId, |
| 2208 | ] ) |
| 2209 | ->caller( $fname )->execute(); |
| 2210 | |
| 2211 | # Add change tags, if any |
| 2212 | if ( $tags ) { |
| 2213 | $logEntry->addTags( $tags ); |
| 2214 | } |
| 2215 | |
| 2216 | # Uploads can be patrolled |
| 2217 | $logEntry->setIsPatrollable( true ); |
| 2218 | |
| 2219 | # Now that the log entry is up-to-date, make an RC entry. |
| 2220 | $logEntry->publish( $logId ); |
| 2221 | |
| 2222 | # Run hook for other updates (typically more cache purging) |
| 2223 | $this->getHookRunner()->onFileUpload( $this, $reupload, !$newPageContent ); |
| 2224 | |
| 2225 | if ( $reupload ) { |
| 2226 | # Delete old thumbnails |
| 2227 | $this->purgeThumbnails(); |
| 2228 | # Remove the old file from the CDN cache |
| 2229 | $hcu = MediaWikiServices::getInstance()->getHtmlCacheUpdater(); |
| 2230 | $hcu->purgeUrls( $this->getUrl(), $hcu::PURGE_INTENT_TXROUND_REFLECTED ); |
| 2231 | } else { |
| 2232 | # Update backlink pages pointing to this title if created |
| 2233 | $blcFactory = MediaWikiServices::getInstance()->getBacklinkCacheFactory(); |
| 2234 | LinksUpdate::queueRecursiveJobsForTable( |
| 2235 | $this->getTitle(), |
| 2236 | 'imagelinks', |
| 2237 | 'upload-image', |
| 2238 | $performer->getUser()->getName(), |
| 2239 | $blcFactory->getBacklinkCache( $this->getTitle() ) |
| 2240 | ); |
| 2241 | } |
| 2242 | |
| 2243 | $this->prerenderThumbnails(); |
| 2244 | } |
| 2245 | ); |
| 2246 | |
| 2247 | # Invalidate cache for all pages using this file |
| 2248 | $cacheUpdateJob = HTMLCacheUpdateJob::newForBacklinks( |
| 2249 | $this->getTitle(), |
| 2250 | 'imagelinks', |
| 2251 | [ 'causeAction' => 'file-upload', 'causeAgent' => $performer->getUser()->getName() ] |
| 2252 | ); |
| 2253 | |
| 2254 | // NOTE: We are probably still in the implicit transaction started by DBO_TRX. We should |
| 2255 | // only schedule jobs after that transaction was committed, so a job queue failure |
| 2256 | // doesn't cause the upload to fail (T263301). Also, we should generally not schedule any |
| 2257 | // Jobs or the DeferredUpdates that assume the update is complete until after the |
| 2258 | // transaction has been committed and we are sure that the upload was indeed successful. |
| 2259 | $dbw->onTransactionCommitOrIdle( static function () use ( $reupload, $purgeUpdate, $cacheUpdateJob ) { |
| 2260 | DeferredUpdates::addUpdate( $purgeUpdate, DeferredUpdates::PRESEND ); |
| 2261 | |
| 2262 | if ( !$reupload ) { |
| 2263 | // This is a new file, so update the image count |
| 2264 | DeferredUpdates::addUpdate( SiteStatsUpdate::factory( [ 'images' => 1 ] ) ); |
| 2265 | } |
| 2266 | |
| 2267 | MediaWikiServices::getInstance()->getJobQueueGroup()->lazyPush( $cacheUpdateJob ); |
| 2268 | }, __METHOD__ ); |
| 2269 | |
| 2270 | return Status::newGood(); |
| 2271 | } |
| 2272 | |
| 2273 | /** |
| 2274 | * Move or copy a file to its public location. If a file exists at the |
| 2275 | * destination, move it to an archive. Returns a Status object with |
| 2276 | * the archive name in the "value" member on success. |
| 2277 | * |
| 2278 | * The archive name should be passed through to recordUpload for database |
| 2279 | * registration. |
| 2280 | * |
| 2281 | * @stable to override |
| 2282 | * @param string|FSFile $src Local filesystem path or virtual URL to the source image |
| 2283 | * @param int $flags A bitwise combination of: |
| 2284 | * File::DELETE_SOURCE Delete the source file, i.e. move rather than copy |
| 2285 | * @param array $options Optional additional parameters |
| 2286 | * @return Status On success, the value member contains the |
| 2287 | * archive name, or an empty string if it was a new file. |
| 2288 | */ |
| 2289 | public function publish( $src, $flags = 0, array $options = [] ) { |
| 2290 | return $this->publishTo( $src, $this->getRel(), $flags, $options ); |
| 2291 | } |
| 2292 | |
| 2293 | /** |
| 2294 | * Move or copy a file to a specified location. Returns a Status |
| 2295 | * object with the archive name in the "value" member on success. |
| 2296 | * |
| 2297 | * The archive name should be passed through to recordUpload for database |
| 2298 | * registration. |
| 2299 | * |
| 2300 | * @stable to override |
| 2301 | * @param string|FSFile $src Local filesystem path or virtual URL to the source image |
| 2302 | * @param string $dstRel Target relative path |
| 2303 | * @param int $flags A bitwise combination of: |
| 2304 | * File::DELETE_SOURCE Delete the source file, i.e. move rather than copy |
| 2305 | * @param array $options Optional additional parameters |
| 2306 | * @return Status On success, the value member contains the |
| 2307 | * archive name, or an empty string if it was a new file. |
| 2308 | */ |
| 2309 | protected function publishTo( $src, $dstRel, $flags = 0, array $options = [] ) { |
| 2310 | $srcPath = ( $src instanceof FSFile ) ? $src->getPath() : $src; |
| 2311 | |
| 2312 | $repo = $this->getRepo(); |
| 2313 | if ( $repo->getReadOnlyReason() !== false ) { |
| 2314 | return $this->readOnlyFatalStatus(); |
| 2315 | } |
| 2316 | |
| 2317 | $status = $this->acquireFileLock(); |
| 2318 | if ( !$status->isOK() ) { |
| 2319 | return $status; |
| 2320 | } |
| 2321 | |
| 2322 | if ( $this->isOld() ) { |
| 2323 | $archiveRel = $dstRel; |
| 2324 | $archiveName = basename( $archiveRel ); |
| 2325 | } else { |
| 2326 | $archiveName = wfTimestamp( TS_MW ) . '!' . $this->getName(); |
| 2327 | $archiveRel = $this->getArchiveRel( $archiveName ); |
| 2328 | } |
| 2329 | |
| 2330 | if ( $repo->hasSha1Storage() ) { |
| 2331 | $sha1 = FileRepo::isVirtualUrl( $srcPath ) |
| 2332 | ? $repo->getFileSha1( $srcPath ) |
| 2333 | : FSFile::getSha1Base36FromPath( $srcPath ); |
| 2334 | /** @var FileBackendDBRepoWrapper $wrapperBackend */ |
| 2335 | $wrapperBackend = $repo->getBackend(); |
| 2336 | '@phan-var FileBackendDBRepoWrapper $wrapperBackend'; |
| 2337 | $dst = $wrapperBackend->getPathForSHA1( $sha1 ); |
| 2338 | $status = $repo->quickImport( $src, $dst ); |
| 2339 | if ( $flags & File::DELETE_SOURCE ) { |
| 2340 | unlink( $srcPath ); |
| 2341 | } |
| 2342 | |
| 2343 | if ( $this->exists() ) { |
| 2344 | $status->value = $archiveName; |
| 2345 | } |
| 2346 | } else { |
| 2347 | $flags = $flags & File::DELETE_SOURCE ? LocalRepo::DELETE_SOURCE : 0; |
| 2348 | $status = $repo->publish( $srcPath, $dstRel, $archiveRel, $flags, $options ); |
| 2349 | |
| 2350 | if ( $status->value == 'new' ) { |
| 2351 | $status->value = ''; |
| 2352 | } else { |
| 2353 | $status->value = $archiveName; |
| 2354 | } |
| 2355 | } |
| 2356 | |
| 2357 | $this->releaseFileLock(); |
| 2358 | return $status; |
| 2359 | } |
| 2360 | |
| 2361 | /** getLinksTo inherited */ |
| 2362 | /** getExifData inherited */ |
| 2363 | /** isLocal inherited */ |
| 2364 | /** wasDeleted inherited */ |
| 2365 | |
| 2366 | /** |
| 2367 | * Move file to the new title |
| 2368 | * |
| 2369 | * Move current, old version and all thumbnails |
| 2370 | * to the new filename. Old file is deleted. |
| 2371 | * |
| 2372 | * Cache purging is done; checks for validity |
| 2373 | * and logging are caller's responsibility |
| 2374 | * |
| 2375 | * @stable to override |
| 2376 | * @param Title $target New file name |
| 2377 | * @return Status |
| 2378 | */ |
| 2379 | public function move( $target ) { |
| 2380 | $localRepo = MediaWikiServices::getInstance()->getRepoGroup()->getLocalRepo(); |
| 2381 | if ( $this->getRepo()->getReadOnlyReason() !== false ) { |
| 2382 | return $this->readOnlyFatalStatus(); |
| 2383 | } |
| 2384 | |
| 2385 | wfDebugLog( 'imagemove', "Got request to move {$this->name} to " . $target->getText() ); |
| 2386 | $batch = new LocalFileMoveBatch( $this, $target ); |
| 2387 | |
| 2388 | $status = $batch->addCurrent(); |
| 2389 | if ( !$status->isOK() ) { |
| 2390 | return $status; |
| 2391 | } |
| 2392 | $archiveNames = $batch->addOlds(); |
| 2393 | $status = $batch->execute(); |
| 2394 | |
| 2395 | wfDebugLog( 'imagemove', "Finished moving {$this->name}" ); |
| 2396 | |
| 2397 | // Purge the source and target files outside the transaction... |
| 2398 | $oldTitleFile = $localRepo->newFile( $this->title ); |
| 2399 | $newTitleFile = $localRepo->newFile( $target ); |
| 2400 | DeferredUpdates::addUpdate( |
| 2401 | new AutoCommitUpdate( |
| 2402 | $this->getRepo()->getPrimaryDB(), |
| 2403 | __METHOD__, |
| 2404 | static function () use ( $oldTitleFile, $newTitleFile, $archiveNames ) { |
| 2405 | $oldTitleFile->purgeEverything(); |
| 2406 | foreach ( $archiveNames as $archiveName ) { |
| 2407 | /** @var OldLocalFile $oldTitleFile */ |
| 2408 | '@phan-var OldLocalFile $oldTitleFile'; |
| 2409 | $oldTitleFile->purgeOldThumbnails( $archiveName ); |
| 2410 | } |
| 2411 | $newTitleFile->purgeEverything(); |
| 2412 | } |
| 2413 | ), |
| 2414 | DeferredUpdates::PRESEND |
| 2415 | ); |
| 2416 | |
| 2417 | if ( $status->isOK() ) { |
| 2418 | // Now switch the object |
| 2419 | $this->title = $target; |
| 2420 | // Force regeneration of the name and hashpath |
| 2421 | $this->name = null; |
| 2422 | $this->hashPath = null; |
| 2423 | } |
| 2424 | |
| 2425 | return $status; |
| 2426 | } |
| 2427 | |
| 2428 | /** |
| 2429 | * Delete all versions of the file. |
| 2430 | * |
| 2431 | * @since 1.35 |
| 2432 | * |
| 2433 | * Moves the files into an archive directory (or deletes them) |
| 2434 | * and removes the database rows. |
| 2435 | * |
| 2436 | * Cache purging is done; logging is caller's responsibility. |
| 2437 | * @stable to override |
| 2438 | * |
| 2439 | * @param string $reason |
| 2440 | * @param UserIdentity $user |
| 2441 | * @param bool $suppress |
| 2442 | * @return Status |
| 2443 | */ |
| 2444 | public function deleteFile( $reason, UserIdentity $user, $suppress = false ) { |
| 2445 | if ( $this->getRepo()->getReadOnlyReason() !== false ) { |
| 2446 | return $this->readOnlyFatalStatus(); |
| 2447 | } |
| 2448 | |
| 2449 | $batch = new LocalFileDeleteBatch( $this, $user, $reason, $suppress ); |
| 2450 | |
| 2451 | $batch->addCurrent(); |
| 2452 | // Get old version relative paths |
| 2453 | $archiveNames = $batch->addOlds(); |
| 2454 | $status = $batch->execute(); |
| 2455 | |
| 2456 | if ( $status->isOK() ) { |
| 2457 | DeferredUpdates::addUpdate( SiteStatsUpdate::factory( [ 'images' => -1 ] ) ); |
| 2458 | } |
| 2459 | |
| 2460 | // To avoid slow purges in the transaction, move them outside... |
| 2461 | DeferredUpdates::addUpdate( |
| 2462 | new AutoCommitUpdate( |
| 2463 | $this->getRepo()->getPrimaryDB(), |
| 2464 | __METHOD__, |
| 2465 | function () use ( $archiveNames ) { |
| 2466 | $this->purgeEverything(); |
| 2467 | foreach ( $archiveNames as $archiveName ) { |
| 2468 | $this->purgeOldThumbnails( $archiveName ); |
| 2469 | } |
| 2470 | } |
| 2471 | ), |
| 2472 | DeferredUpdates::PRESEND |
| 2473 | ); |
| 2474 | |
| 2475 | // Purge the CDN |
| 2476 | $purgeUrls = []; |
| 2477 | foreach ( $archiveNames as $archiveName ) { |
| 2478 | $purgeUrls[] = $this->getArchiveUrl( $archiveName ); |
| 2479 | } |
| 2480 | |
| 2481 | $hcu = MediaWikiServices::getInstance()->getHtmlCacheUpdater(); |
| 2482 | $hcu->purgeUrls( $purgeUrls, $hcu::PURGE_INTENT_TXROUND_REFLECTED ); |
| 2483 | |
| 2484 | return $status; |
| 2485 | } |
| 2486 | |
| 2487 | /** |
| 2488 | * Delete an old version of the file. |
| 2489 | * |
| 2490 | * @since 1.35 |
| 2491 | * @stable to override |
| 2492 | * |
| 2493 | * Moves the file into an archive directory (or deletes it) |
| 2494 | * and removes the database row. |
| 2495 | * |
| 2496 | * Cache purging is done; logging is caller's responsibility. |
| 2497 | * |
| 2498 | * @param string $archiveName |
| 2499 | * @param string $reason |
| 2500 | * @param UserIdentity $user |
| 2501 | * @param bool $suppress |
| 2502 | * @return Status |
| 2503 | */ |
| 2504 | public function deleteOldFile( $archiveName, $reason, UserIdentity $user, $suppress = false ) { |
| 2505 | if ( $this->getRepo()->getReadOnlyReason() !== false ) { |
| 2506 | return $this->readOnlyFatalStatus(); |
| 2507 | } |
| 2508 | |
| 2509 | $batch = new LocalFileDeleteBatch( $this, $user, $reason, $suppress ); |
| 2510 | |
| 2511 | $batch->addOld( $archiveName ); |
| 2512 | $status = $batch->execute(); |
| 2513 | |
| 2514 | $this->purgeOldThumbnails( $archiveName ); |
| 2515 | if ( $status->isOK() ) { |
| 2516 | $this->purgeDescription(); |
| 2517 | } |
| 2518 | |
| 2519 | $url = $this->getArchiveUrl( $archiveName ); |
| 2520 | $hcu = MediaWikiServices::getInstance()->getHtmlCacheUpdater(); |
| 2521 | $hcu->purgeUrls( $url, $hcu::PURGE_INTENT_TXROUND_REFLECTED ); |
| 2522 | |
| 2523 | return $status; |
| 2524 | } |
| 2525 | |
| 2526 | /** |
| 2527 | * Restore all or specified deleted revisions to the given file. |
| 2528 | * Permissions and logging are left to the caller. |
| 2529 | * |
| 2530 | * May throw database exceptions on error. |
| 2531 | * @stable to override |
| 2532 | * |
| 2533 | * @param int[] $versions Set of record ids of deleted items to restore, |
| 2534 | * or empty to restore all revisions. |
| 2535 | * @param bool $unsuppress |
| 2536 | * @return Status |
| 2537 | */ |
| 2538 | public function restore( $versions = [], $unsuppress = false ) { |
| 2539 | if ( $this->getRepo()->getReadOnlyReason() !== false ) { |
| 2540 | return $this->readOnlyFatalStatus(); |
| 2541 | } |
| 2542 | |
| 2543 | $batch = new LocalFileRestoreBatch( $this, $unsuppress ); |
| 2544 | |
| 2545 | if ( !$versions ) { |
| 2546 | $batch->addAll(); |
| 2547 | } else { |
| 2548 | $batch->addIds( $versions ); |
| 2549 | } |
| 2550 | $status = $batch->execute(); |
| 2551 | if ( $status->isGood() ) { |
| 2552 | $cleanupStatus = $batch->cleanup(); |
| 2553 | $cleanupStatus->successCount = 0; |
| 2554 | $cleanupStatus->failCount = 0; |
| 2555 | $status->merge( $cleanupStatus ); |
| 2556 | } |
| 2557 | |
| 2558 | return $status; |
| 2559 | } |
| 2560 | |
| 2561 | /** isMultipage inherited */ |
| 2562 | /** pageCount inherited */ |
| 2563 | /** scaleHeight inherited */ |
| 2564 | /** getImageSize inherited */ |
| 2565 | |
| 2566 | /** |
| 2567 | * Get the URL of the file description page. |
| 2568 | * @stable to override |
| 2569 | * @return string|false |
| 2570 | */ |
| 2571 | public function getDescriptionUrl() { |
| 2572 | // Avoid hard failure when the file does not exist. T221812 |
| 2573 | return $this->title ? $this->title->getLocalURL() : false; |
| 2574 | } |
| 2575 | |
| 2576 | /** |
| 2577 | * Get the HTML text of the description page |
| 2578 | * This is not used by ImagePage for local files, since (among other things) |
| 2579 | * it skips the parser cache. |
| 2580 | * @stable to override |
| 2581 | * |
| 2582 | * @param Language|null $lang What language to get description in (Optional) |
| 2583 | * @return string|false |
| 2584 | */ |
| 2585 | public function getDescriptionText( ?Language $lang = null ) { |
| 2586 | if ( !$this->title ) { |
| 2587 | return false; // Avoid hard failure when the file does not exist. T221812 |
| 2588 | } |
| 2589 | |
| 2590 | $services = MediaWikiServices::getInstance(); |
| 2591 | $page = $services->getPageStore()->getPageByReference( $this->getTitle() ); |
| 2592 | if ( !$page ) { |
| 2593 | return false; |
| 2594 | } |
| 2595 | |
| 2596 | if ( $lang ) { |
| 2597 | $parserOptions = ParserOptions::newFromUserAndLang( |
| 2598 | RequestContext::getMain()->getUser(), |
| 2599 | $lang |
| 2600 | ); |
| 2601 | } else { |
| 2602 | $parserOptions = ParserOptions::newFromContext( RequestContext::getMain() ); |
| 2603 | } |
| 2604 | |
| 2605 | $parseStatus = $services->getParserOutputAccess() |
| 2606 | ->getParserOutput( $page, $parserOptions ); |
| 2607 | |
| 2608 | if ( !$parseStatus->isGood() ) { |
| 2609 | // Rendering failed. |
| 2610 | return false; |
| 2611 | } |
| 2612 | return $parseStatus->getValue()->getText(); |
| 2613 | } |
| 2614 | |
| 2615 | /** |
| 2616 | * @since 1.37 |
| 2617 | * @stable to override |
| 2618 | * @param int $audience |
| 2619 | * @param Authority|null $performer |
| 2620 | * @return UserIdentity|null |
| 2621 | */ |
| 2622 | public function getUploader( int $audience = self::FOR_PUBLIC, ?Authority $performer = null ): ?UserIdentity { |
| 2623 | $this->load(); |
| 2624 | if ( $audience === self::FOR_PUBLIC && $this->isDeleted( self::DELETED_USER ) ) { |
| 2625 | return null; |
| 2626 | } elseif ( $audience === self::FOR_THIS_USER && !$this->userCan( self::DELETED_USER, $performer ) ) { |
| 2627 | return null; |
| 2628 | } else { |
| 2629 | return $this->user; |
| 2630 | } |
| 2631 | } |
| 2632 | |
| 2633 | /** |
| 2634 | * @stable to override |
| 2635 | * @param int $audience |
| 2636 | * @param Authority|null $performer |
| 2637 | * @return string |
| 2638 | */ |
| 2639 | public function getDescription( $audience = self::FOR_PUBLIC, ?Authority $performer = null ) { |
| 2640 | $this->load(); |
| 2641 | if ( $audience == self::FOR_PUBLIC && $this->isDeleted( self::DELETED_COMMENT ) ) { |
| 2642 | return ''; |
| 2643 | } elseif ( $audience == self::FOR_THIS_USER && !$this->userCan( self::DELETED_COMMENT, $performer ) ) { |
| 2644 | return ''; |
| 2645 | } else { |
| 2646 | return $this->description; |
| 2647 | } |
| 2648 | } |
| 2649 | |
| 2650 | /** |
| 2651 | * @stable to override |
| 2652 | * @return string|false TS_MW timestamp, a string with 14 digits |
| 2653 | */ |
| 2654 | public function getTimestamp() { |
| 2655 | $this->load(); |
| 2656 | |
| 2657 | return $this->timestamp; |
| 2658 | } |
| 2659 | |
| 2660 | /** |
| 2661 | * @stable to override |
| 2662 | * @return string|false |
| 2663 | */ |
| 2664 | public function getDescriptionTouched() { |
| 2665 | if ( !$this->exists() ) { |
| 2666 | return false; // Avoid hard failure when the file does not exist. T221812 |
| 2667 | } |
| 2668 | |
| 2669 | // The DB lookup might return false, e.g. if the file was just deleted, or the shared DB repo |
| 2670 | // itself gets it from elsewhere. To avoid repeating the DB lookups in such a case, we |
| 2671 | // need to differentiate between null (uninitialized) and false (failed to load). |
| 2672 | if ( $this->descriptionTouched === null ) { |
| 2673 | $touched = $this->repo->getReplicaDB()->newSelectQueryBuilder() |
| 2674 | ->select( 'page_touched' ) |
| 2675 | ->from( 'page' ) |
| 2676 | ->where( [ 'page_namespace' => $this->title->getNamespace() ] ) |
| 2677 | ->andWhere( [ 'page_title' => $this->title->getDBkey() ] ) |
| 2678 | ->caller( __METHOD__ )->fetchField(); |
| 2679 | $this->descriptionTouched = $touched ? wfTimestamp( TS_MW, $touched ) : false; |
| 2680 | } |
| 2681 | |
| 2682 | return $this->descriptionTouched; |
| 2683 | } |
| 2684 | |
| 2685 | /** |
| 2686 | * @stable to override |
| 2687 | * @return string|false |
| 2688 | */ |
| 2689 | public function getSha1() { |
| 2690 | $this->load(); |
| 2691 | return $this->sha1; |
| 2692 | } |
| 2693 | |
| 2694 | /** |
| 2695 | * @return bool Whether to cache in RepoGroup (this avoids OOMs) |
| 2696 | */ |
| 2697 | public function isCacheable() { |
| 2698 | $this->load(); |
| 2699 | |
| 2700 | // If extra data (metadata) was not loaded then it must have been large |
| 2701 | return $this->extraDataLoaded |
| 2702 | && strlen( serialize( $this->metadataArray ) ) <= self::CACHE_FIELD_MAX_LEN; |
| 2703 | } |
| 2704 | |
| 2705 | /** |
| 2706 | * Acquire an exclusive lock on the file, indicating an intention to write |
| 2707 | * to the file backend. |
| 2708 | * |
| 2709 | * @param float|int $timeout The timeout in seconds |
| 2710 | * @return Status |
| 2711 | * @since 1.28 |
| 2712 | */ |
| 2713 | public function acquireFileLock( $timeout = 0 ) { |
| 2714 | return Status::wrap( $this->getRepo()->getBackend()->lockFiles( |
| 2715 | [ $this->getPath() ], LockManager::LOCK_EX, $timeout |
| 2716 | ) ); |
| 2717 | } |
| 2718 | |
| 2719 | /** |
| 2720 | * Release a lock acquired with acquireFileLock(). |
| 2721 | * |
| 2722 | * @return Status |
| 2723 | * @since 1.28 |
| 2724 | */ |
| 2725 | public function releaseFileLock() { |
| 2726 | return Status::wrap( $this->getRepo()->getBackend()->unlockFiles( |
| 2727 | [ $this->getPath() ], LockManager::LOCK_EX |
| 2728 | ) ); |
| 2729 | } |
| 2730 | |
| 2731 | /** |
| 2732 | * Start an atomic DB section and lock the image for update |
| 2733 | * or increments a reference counter if the lock is already held |
| 2734 | * |
| 2735 | * This method should not be used outside of LocalFile/LocalFile*Batch |
| 2736 | * |
| 2737 | * @deprecated since 1.38 Use acquireFileLock() |
| 2738 | * @throws LocalFileLockError Throws an error if the lock was not acquired |
| 2739 | * @return bool Whether the file lock owns/spawned the DB transaction |
| 2740 | */ |
| 2741 | public function lock() { |
| 2742 | if ( !$this->locked ) { |
| 2743 | $logger = LoggerFactory::getInstance( 'LocalFile' ); |
| 2744 | |
| 2745 | $dbw = $this->repo->getPrimaryDB(); |
| 2746 | $makesTransaction = !$dbw->trxLevel(); |
| 2747 | $dbw->startAtomic( self::ATOMIC_SECTION_LOCK ); |
| 2748 | // T56736: use simple lock to handle when the file does not exist. |
| 2749 | // SELECT FOR UPDATE prevents changes, not other SELECTs with FOR UPDATE. |
| 2750 | // Also, that would cause contention on INSERT of similarly named rows. |
| 2751 | $status = $this->acquireFileLock( 10 ); // represents all versions of the file |
| 2752 | if ( !$status->isGood() ) { |
| 2753 | $dbw->endAtomic( self::ATOMIC_SECTION_LOCK ); |
| 2754 | $logger->warning( "Failed to lock '{file}'", [ 'file' => $this->name ] ); |
| 2755 | |
| 2756 | throw new LocalFileLockError( $status ); |
| 2757 | } |
| 2758 | // Release the lock *after* commit to avoid row-level contention. |
| 2759 | // Make sure it triggers on rollback() as well as commit() (T132921). |
| 2760 | $dbw->onTransactionResolution( |
| 2761 | function () use ( $logger ) { |
| 2762 | $status = $this->releaseFileLock(); |
| 2763 | if ( !$status->isGood() ) { |
| 2764 | $logger->error( "Failed to unlock '{file}'", [ 'file' => $this->name ] ); |
| 2765 | } |
| 2766 | }, |
| 2767 | __METHOD__ |
| 2768 | ); |
| 2769 | // Callers might care if the SELECT snapshot is safely fresh |
| 2770 | $this->lockedOwnTrx = $makesTransaction; |
| 2771 | } |
| 2772 | |
| 2773 | $this->locked++; |
| 2774 | |
| 2775 | return $this->lockedOwnTrx; |
| 2776 | } |
| 2777 | |
| 2778 | /** |
| 2779 | * Decrement the lock reference count and end the atomic section if it reaches zero |
| 2780 | * |
| 2781 | * This method should not be used outside of LocalFile/LocalFile*Batch |
| 2782 | * |
| 2783 | * The commit and lock release will happen when no atomic sections are active, which |
| 2784 | * may happen immediately or at some point after calling this |
| 2785 | * |
| 2786 | * @deprecated since 1.38 Use releaseFileLock() |
| 2787 | */ |
| 2788 | public function unlock() { |
| 2789 | if ( $this->locked ) { |
| 2790 | --$this->locked; |
| 2791 | if ( !$this->locked ) { |
| 2792 | $dbw = $this->repo->getPrimaryDB(); |
| 2793 | $dbw->endAtomic( self::ATOMIC_SECTION_LOCK ); |
| 2794 | $this->lockedOwnTrx = false; |
| 2795 | } |
| 2796 | } |
| 2797 | } |
| 2798 | |
| 2799 | /** |
| 2800 | * @return Status |
| 2801 | */ |
| 2802 | protected function readOnlyFatalStatus() { |
| 2803 | return $this->getRepo()->newFatal( 'filereadonlyerror', $this->getName(), |
| 2804 | $this->getRepo()->getName(), $this->getRepo()->getReadOnlyReason() ); |
| 2805 | } |
| 2806 | |
| 2807 | /** |
| 2808 | * Clean up any dangling locks |
| 2809 | */ |
| 2810 | public function __destruct() { |
| 2811 | $this->unlock(); |
| 2812 | } |
| 2813 | } |
| 2814 | |
| 2815 | /** @deprecated class alias since 1.44 */ |
| 2816 | class_alias( LocalFile::class, 'LocalFile' ); |