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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Registration; |
| 4 | |
| 5 | use AutoLoader; |
| 6 | use Composer\Semver\Semver; |
| 7 | use InvalidArgumentException; |
| 8 | use LogicException; |
| 9 | use MediaWiki\DomainEvent\DomainEventSource; |
| 10 | use MediaWiki\DomainEvent\DomainEventSubscriber; |
| 11 | use MediaWiki\Settings\SettingsBuilder; |
| 12 | use MediaWiki\Shell\Shell; |
| 13 | use MediaWiki\ShellDisabledError; |
| 14 | use MediaWiki\WikiMap\WikiMap; |
| 15 | use ObjectCacheFactory; |
| 16 | use RuntimeException; |
| 17 | use UnexpectedValueException; |
| 18 | use Wikimedia\ObjectCache\BagOStuff; |
| 19 | use Wikimedia\ScopedCallback; |
| 20 | |
| 21 | /** |
| 22 | * @defgroup ExtensionRegistry ExtensionRegistry |
| 23 | * |
| 24 | * For higher level documentation, see <https://www.mediawiki.org/wiki/Manual:Extension_registration/Architecture>. |
| 25 | */ |
| 26 | |
| 27 | /** |
| 28 | * Load JSON files, and uses a Processor to extract information. |
| 29 | * |
| 30 | * This also adds the extension's classes to the AutoLoader. |
| 31 | * |
| 32 | * @ingroup ExtensionRegistry |
| 33 | * @since 1.25 |
| 34 | */ |
| 35 | class ExtensionRegistry implements DomainEventSubscriber { |
| 36 | |
| 37 | /** |
| 38 | * "requires" key that applies to MediaWiki core |
| 39 | */ |
| 40 | public const MEDIAWIKI_CORE = 'MediaWiki'; |
| 41 | |
| 42 | /** |
| 43 | * Version of the highest supported manifest version |
| 44 | * Note: Update MANIFEST_VERSION_MW_VERSION when changing this |
| 45 | */ |
| 46 | public const MANIFEST_VERSION = 2; |
| 47 | |
| 48 | /** |
| 49 | * MediaWiki version constraint representing what the current |
| 50 | * highest MANIFEST_VERSION is supported in |
| 51 | */ |
| 52 | public const MANIFEST_VERSION_MW_VERSION = '>= 1.29.0'; |
| 53 | |
| 54 | /** |
| 55 | * Version of the oldest supported manifest version |
| 56 | */ |
| 57 | public const OLDEST_MANIFEST_VERSION = 1; |
| 58 | |
| 59 | /** |
| 60 | * Bump whenever the registration cache needs resetting |
| 61 | */ |
| 62 | private const CACHE_VERSION = 8; |
| 63 | |
| 64 | private const CACHE_EXPIRY = 60 * 60 * 24; |
| 65 | |
| 66 | /** |
| 67 | * Special key that defines the merge strategy |
| 68 | * |
| 69 | * @since 1.26 |
| 70 | */ |
| 71 | public const MERGE_STRATEGY = '_merge_strategy'; |
| 72 | |
| 73 | /** |
| 74 | * Attributes that should be lazy-loaded |
| 75 | */ |
| 76 | private const LAZY_LOADED_ATTRIBUTES = [ |
| 77 | 'TrackingCategories', |
| 78 | 'QUnitTestModules', |
| 79 | 'SkinLessImportPaths', |
| 80 | ]; |
| 81 | |
| 82 | /** |
| 83 | * Array of loaded things, keyed by name, values are credits information. |
| 84 | * |
| 85 | * The keys that the credit info arrays may have is defined |
| 86 | * by ExtensionProcessor::CREDIT_ATTRIBS (plus a 'path' key that |
| 87 | * points to the skin or extension JSON file). |
| 88 | * |
| 89 | * This info may be accessed via ExtensionRegistry::getAllThings. |
| 90 | * |
| 91 | * @var array[] |
| 92 | */ |
| 93 | private $loaded = []; |
| 94 | |
| 95 | /** |
| 96 | * List of paths that should be loaded |
| 97 | * |
| 98 | * @var int[] |
| 99 | */ |
| 100 | protected $queued = []; |
| 101 | |
| 102 | /** |
| 103 | * Whether we are done loading things |
| 104 | * |
| 105 | * @var bool |
| 106 | */ |
| 107 | private $finished = false; |
| 108 | |
| 109 | /** |
| 110 | * Items in the JSON file that aren't being |
| 111 | * set as globals |
| 112 | * |
| 113 | * @var array |
| 114 | */ |
| 115 | protected $attributes = []; |
| 116 | |
| 117 | /** |
| 118 | * Attributes for testing |
| 119 | * |
| 120 | * @var array |
| 121 | */ |
| 122 | protected $testAttributes = []; |
| 123 | |
| 124 | /** |
| 125 | * Lazy-loaded attributes |
| 126 | * |
| 127 | * @var array |
| 128 | */ |
| 129 | protected $lazyAttributes = []; |
| 130 | |
| 131 | /** |
| 132 | * The hash of cache-varying options, lazy-initialised |
| 133 | * |
| 134 | * @var string|null |
| 135 | */ |
| 136 | private $varyHash; |
| 137 | |
| 138 | /** |
| 139 | * Whether to check dev-requires |
| 140 | * |
| 141 | * @var bool |
| 142 | */ |
| 143 | protected $checkDev = false; |
| 144 | |
| 145 | /** |
| 146 | * Whether test classes and namespaces should be added to the auto loader |
| 147 | * |
| 148 | * @var bool |
| 149 | */ |
| 150 | protected $loadTestClassesAndNamespaces = false; |
| 151 | |
| 152 | /** |
| 153 | * @var ExtensionRegistry |
| 154 | */ |
| 155 | private static $instance; |
| 156 | |
| 157 | /** |
| 158 | * @var ?BagOStuff |
| 159 | */ |
| 160 | private $cache = null; |
| 161 | |
| 162 | private ?SettingsBuilder $settingsBuilder = null; |
| 163 | |
| 164 | private static bool $accessDisabledForUnitTests = false; |
| 165 | |
| 166 | /** |
| 167 | * @codeCoverageIgnore |
| 168 | * @return ExtensionRegistry |
| 169 | */ |
| 170 | public static function getInstance() { |
| 171 | if ( self::$accessDisabledForUnitTests ) { |
| 172 | throw new RuntimeException( 'Access is disabled in unit tests' ); |
| 173 | } |
| 174 | if ( self::$instance === null ) { |
| 175 | self::$instance = new self(); |
| 176 | } |
| 177 | |
| 178 | return self::$instance; |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * @internal |
| 183 | */ |
| 184 | public static function disableForTest(): void { |
| 185 | if ( !defined( 'MW_PHPUNIT_TEST' ) ) { |
| 186 | throw new RuntimeException( 'Can only be called in tests' ); |
| 187 | } |
| 188 | self::$accessDisabledForUnitTests = true; |
| 189 | } |
| 190 | |
| 191 | /** |
| 192 | * @internal |
| 193 | */ |
| 194 | public static function enableForTest(): void { |
| 195 | if ( !defined( 'MW_PHPUNIT_TEST' ) ) { |
| 196 | throw new RuntimeException( 'Can only be called in tests' ); |
| 197 | } |
| 198 | self::$accessDisabledForUnitTests = false; |
| 199 | } |
| 200 | |
| 201 | /** |
| 202 | * Set the cache to use for extension info. |
| 203 | * Intended for use during testing. |
| 204 | * |
| 205 | * @internal |
| 206 | * |
| 207 | * @param BagOStuff $cache |
| 208 | */ |
| 209 | public function setCache( BagOStuff $cache ): void { |
| 210 | $this->cache = $cache; |
| 211 | } |
| 212 | |
| 213 | /** |
| 214 | * @since 1.34 |
| 215 | * |
| 216 | * @param bool $check |
| 217 | */ |
| 218 | public function setCheckDevRequires( $check ) { |
| 219 | $this->checkDev = $check; |
| 220 | $this->invalidateProcessCache(); |
| 221 | } |
| 222 | |
| 223 | /** |
| 224 | * Controls if classes and namespaces defined under the keys TestAutoloadClasses and |
| 225 | * TestAutoloadNamespaces should be added to the autoloader. |
| 226 | * |
| 227 | * @since 1.35 |
| 228 | * |
| 229 | * @param bool $load |
| 230 | */ |
| 231 | public function setLoadTestClassesAndNamespaces( $load ) { |
| 232 | $this->loadTestClassesAndNamespaces = $load; |
| 233 | } |
| 234 | |
| 235 | /** |
| 236 | * @param string $path Absolute path to the JSON file |
| 237 | */ |
| 238 | public function queue( $path ) { |
| 239 | global $wgExtensionInfoMTime; |
| 240 | |
| 241 | $mtime = $wgExtensionInfoMTime; |
| 242 | if ( $mtime === false ) { |
| 243 | // phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged |
| 244 | $mtime = @filemtime( $path ); |
| 245 | // @codeCoverageIgnoreStart |
| 246 | if ( $mtime === false ) { |
| 247 | $err = error_get_last(); |
| 248 | throw new MissingExtensionException( $path, $err['message'] ); |
| 249 | // @codeCoverageIgnoreEnd |
| 250 | } |
| 251 | } |
| 252 | $this->queued[$path] = $mtime; |
| 253 | $this->invalidateProcessCache(); |
| 254 | } |
| 255 | |
| 256 | private function getCache(): BagOStuff { |
| 257 | if ( !$this->cache ) { |
| 258 | // NOTE: Copy of ObjectCacheFactory::getDefaultKeyspace |
| 259 | // |
| 260 | // Can't call MediaWikiServices here, as we must not cause services |
| 261 | // to be instantiated before extensions have loaded. |
| 262 | global $wgCachePrefix; |
| 263 | $keyspace = ( is_string( $wgCachePrefix ) && $wgCachePrefix !== '' ) |
| 264 | ? $wgCachePrefix |
| 265 | : WikiMap::getCurrentWikiDbDomain()->getId(); |
| 266 | |
| 267 | return ObjectCacheFactory::makeLocalServerCache( $keyspace ); |
| 268 | } |
| 269 | |
| 270 | return $this->cache; |
| 271 | } |
| 272 | |
| 273 | private function makeCacheKey( BagOStuff $cache, $component, ...$extra ) { |
| 274 | // Allow reusing cached ExtensionRegistry metadata between wikis (T274648) |
| 275 | return $cache->makeGlobalKey( |
| 276 | "registration-$component", |
| 277 | $this->getVaryHash(), |
| 278 | ...$extra |
| 279 | ); |
| 280 | } |
| 281 | |
| 282 | /** |
| 283 | * Get the cache varying hash |
| 284 | * |
| 285 | * @return string |
| 286 | */ |
| 287 | private function getVaryHash() { |
| 288 | if ( $this->varyHash === null ) { |
| 289 | // We vary the cache on the current queue (what will be or already was loaded) |
| 290 | // plus various versions of stuff for VersionChecker |
| 291 | $vary = [ |
| 292 | 'registration' => self::CACHE_VERSION, |
| 293 | 'mediawiki' => MW_VERSION, |
| 294 | 'abilities' => $this->getAbilities(), |
| 295 | 'checkDev' => $this->checkDev, |
| 296 | 'queue' => $this->queued, |
| 297 | ]; |
| 298 | $this->varyHash = md5( json_encode( $vary ) ); |
| 299 | } |
| 300 | |
| 301 | return $this->varyHash; |
| 302 | } |
| 303 | |
| 304 | /** |
| 305 | * Invalidate the cache of the vary hash and the lazy options. |
| 306 | */ |
| 307 | private function invalidateProcessCache() { |
| 308 | $this->varyHash = null; |
| 309 | $this->lazyAttributes = []; |
| 310 | } |
| 311 | |
| 312 | public function loadFromQueue() { |
| 313 | if ( !$this->queued ) { |
| 314 | return; |
| 315 | } |
| 316 | |
| 317 | if ( $this->finished ) { |
| 318 | throw new LogicException( |
| 319 | "The following paths tried to load late: " |
| 320 | . implode( ', ', array_keys( $this->queued ) ) |
| 321 | ); |
| 322 | } |
| 323 | |
| 324 | $cache = $this->getCache(); |
| 325 | // See if this queue is in APC |
| 326 | $key = $this->makeCacheKey( $cache, 'main' ); |
| 327 | $data = $cache->get( $key ); |
| 328 | if ( !$data ) { |
| 329 | $data = $this->readFromQueue( $this->queued ); |
| 330 | $this->saveToCache( $cache, $data ); |
| 331 | } |
| 332 | $this->exportExtractedData( $data ); |
| 333 | } |
| 334 | |
| 335 | /** |
| 336 | * Save data in the cache |
| 337 | * |
| 338 | * @param BagOStuff $cache |
| 339 | * @param array $data |
| 340 | */ |
| 341 | protected function saveToCache( BagOStuff $cache, array $data ) { |
| 342 | global $wgDevelopmentWarnings; |
| 343 | if ( $data['warnings'] && $wgDevelopmentWarnings ) { |
| 344 | // If warnings were shown, don't cache it |
| 345 | return; |
| 346 | } |
| 347 | $lazy = []; |
| 348 | // Cache lazy-loaded attributes separately |
| 349 | foreach ( self::LAZY_LOADED_ATTRIBUTES as $attrib ) { |
| 350 | if ( isset( $data['attributes'][$attrib] ) ) { |
| 351 | $lazy[$attrib] = $data['attributes'][$attrib]; |
| 352 | unset( $data['attributes'][$attrib] ); |
| 353 | } |
| 354 | } |
| 355 | $mainKey = $this->makeCacheKey( $cache, 'main' ); |
| 356 | $cache->set( $mainKey, $data, self::CACHE_EXPIRY ); |
| 357 | foreach ( $lazy as $attrib => $value ) { |
| 358 | $cache->set( |
| 359 | $this->makeCacheKey( $cache, 'lazy-attrib', $attrib ), |
| 360 | $value, |
| 361 | self::CACHE_EXPIRY |
| 362 | ); |
| 363 | } |
| 364 | } |
| 365 | |
| 366 | /** |
| 367 | * Get the current load queue. Not intended to be used |
| 368 | * outside of the installer. |
| 369 | * |
| 370 | * @return int[] Map of extension.json files' modification timestamps keyed by absolute path |
| 371 | */ |
| 372 | public function getQueue() { |
| 373 | return $this->queued; |
| 374 | } |
| 375 | |
| 376 | /** |
| 377 | * Clear the current load queue. Not intended to be used |
| 378 | * outside of the installer. |
| 379 | */ |
| 380 | public function clearQueue() { |
| 381 | $this->queued = []; |
| 382 | $this->invalidateProcessCache(); |
| 383 | } |
| 384 | |
| 385 | /** |
| 386 | * After this is called, no more extensions can be loaded |
| 387 | * |
| 388 | * @since 1.29 |
| 389 | */ |
| 390 | public function finish() { |
| 391 | $this->finished = true; |
| 392 | } |
| 393 | |
| 394 | /** |
| 395 | * Get the list of abilities and their values |
| 396 | * |
| 397 | * @return bool[] |
| 398 | */ |
| 399 | private function getAbilities() { |
| 400 | return [ |
| 401 | 'shell' => !Shell::isDisabled(), |
| 402 | ]; |
| 403 | } |
| 404 | |
| 405 | /** |
| 406 | * Queries information about the software environment and constructs an appropriate version checker |
| 407 | * |
| 408 | * @return VersionChecker |
| 409 | */ |
| 410 | private function buildVersionChecker() { |
| 411 | // array to optionally specify more verbose error messages for |
| 412 | // missing abilities |
| 413 | $abilityErrors = [ |
| 414 | 'shell' => ( new ShellDisabledError() )->getMessage(), |
| 415 | ]; |
| 416 | |
| 417 | return new VersionChecker( |
| 418 | MW_VERSION, |
| 419 | PHP_MAJOR_VERSION . '.' . PHP_MINOR_VERSION . '.' . PHP_RELEASE_VERSION, |
| 420 | get_loaded_extensions(), |
| 421 | $this->getAbilities(), |
| 422 | $abilityErrors |
| 423 | ); |
| 424 | } |
| 425 | |
| 426 | /** |
| 427 | * Process a queue of extensions and return their extracted data |
| 428 | * |
| 429 | * @internal since 1.39. Extensions should use ExtensionProcessor instead. |
| 430 | * |
| 431 | * @param int[] $queue keys are filenames, values are ignored |
| 432 | * |
| 433 | * @return array extracted info |
| 434 | * @throws InvalidArgumentException |
| 435 | * @throws ExtensionDependencyError |
| 436 | */ |
| 437 | public function readFromQueue( array $queue ) { |
| 438 | $processor = new ExtensionProcessor(); |
| 439 | $versionChecker = $this->buildVersionChecker(); |
| 440 | $extDependencies = []; |
| 441 | $warnings = false; |
| 442 | foreach ( $queue as $path => $mtime ) { |
| 443 | $json = file_get_contents( $path ); |
| 444 | if ( $json === false ) { |
| 445 | throw new InvalidArgumentException( "Unable to read $path, does it exist?" ); |
| 446 | } |
| 447 | $info = json_decode( $json, /* $assoc = */ true ); |
| 448 | if ( !is_array( $info ) ) { |
| 449 | throw new InvalidArgumentException( "$path is not a valid JSON file." ); |
| 450 | } |
| 451 | |
| 452 | $version = $info['manifest_version']; |
| 453 | if ( $version < self::OLDEST_MANIFEST_VERSION || $version > self::MANIFEST_VERSION ) { |
| 454 | throw new InvalidArgumentException( "$path: unsupported manifest_version: {$version}" ); |
| 455 | } |
| 456 | |
| 457 | // get all requirements/dependencies for this extension |
| 458 | $requires = $processor->getRequirements( $info, $this->checkDev ); |
| 459 | |
| 460 | // validate the information needed and add the requirements |
| 461 | if ( is_array( $requires ) && $requires && isset( $info['name'] ) ) { |
| 462 | $extDependencies[$info['name']] = $requires; |
| 463 | } |
| 464 | |
| 465 | // Compatible, read and extract info |
| 466 | $processor->extractInfo( $path, $info, $version ); |
| 467 | } |
| 468 | $data = $processor->getExtractedInfo( $this->loadTestClassesAndNamespaces ); |
| 469 | $data['warnings'] = $warnings; |
| 470 | |
| 471 | // check for incompatible extensions |
| 472 | $incompatible = $versionChecker |
| 473 | ->setLoadedExtensionsAndSkins( $data['credits'] ) |
| 474 | ->checkArray( $extDependencies ); |
| 475 | |
| 476 | if ( $incompatible ) { |
| 477 | throw new ExtensionDependencyError( $incompatible ); |
| 478 | } |
| 479 | |
| 480 | return $data; |
| 481 | } |
| 482 | |
| 483 | protected function exportExtractedData( array $info ) { |
| 484 | if ( $info['globals'] ) { |
| 485 | // Create a copy of the keys to allow fast access via isset also for null values |
| 486 | // Since php8.1 always a read-only copy is created when the whole object is passed on function calls |
| 487 | // (like for array_key_exists). See T366547 - https://wiki.php.net/rfc/restrict_globals_usage |
| 488 | $knownGlobals = array_fill_keys( array_keys( $GLOBALS ), true ); |
| 489 | |
| 490 | foreach ( $info['globals'] as $key => $val ) { |
| 491 | // If a merge strategy is set, read it and remove it from the value |
| 492 | // so it doesn't accidentally end up getting set. |
| 493 | if ( is_array( $val ) && isset( $val[self::MERGE_STRATEGY] ) ) { |
| 494 | $mergeStrategy = $val[self::MERGE_STRATEGY]; |
| 495 | unset( $val[self::MERGE_STRATEGY] ); |
| 496 | } else { |
| 497 | $mergeStrategy = 'array_merge'; |
| 498 | } |
| 499 | |
| 500 | if ( $mergeStrategy === 'provide_default' ) { |
| 501 | if ( !isset( $knownGlobals[$key] ) ) { |
| 502 | $GLOBALS[$key] = $val; |
| 503 | $knownGlobals[$key] = true; |
| 504 | } |
| 505 | continue; |
| 506 | } |
| 507 | |
| 508 | // Performance optimization: When the global doesn't exist (not even with null), just set it |
| 509 | if ( !isset( $knownGlobals[$key] ) ) { |
| 510 | $GLOBALS[$key] = $val; |
| 511 | $knownGlobals[$key] = true; |
| 512 | continue; |
| 513 | } elseif ( !is_array( $val ) || !is_array( $GLOBALS[$key] ) ) { |
| 514 | // When at least one of the global value and the default is not an array, the merge |
| 515 | // strategy is ignored and the global value will simply override the default. |
| 516 | continue; |
| 517 | } elseif ( !$GLOBALS[$key] ) { |
| 518 | // Performance optimization: When the target is an empty array, just set it |
| 519 | $GLOBALS[$key] = $val; |
| 520 | continue; |
| 521 | } |
| 522 | |
| 523 | switch ( $mergeStrategy ) { |
| 524 | case 'array_merge_recursive': |
| 525 | $GLOBALS[$key] = array_merge_recursive( $GLOBALS[$key], $val ); |
| 526 | break; |
| 527 | case 'array_replace_recursive': |
| 528 | $GLOBALS[$key] = array_replace_recursive( $val, $GLOBALS[$key] ); |
| 529 | break; |
| 530 | case 'array_plus_2d': |
| 531 | $GLOBALS[$key] = wfArrayPlus2d( $GLOBALS[$key], $val ); |
| 532 | break; |
| 533 | case 'array_plus': |
| 534 | $GLOBALS[$key] += $val; |
| 535 | break; |
| 536 | case 'array_merge': |
| 537 | $GLOBALS[$key] = array_merge( $val, $GLOBALS[$key] ); |
| 538 | break; |
| 539 | default: |
| 540 | throw new UnexpectedValueException( "Unknown merge strategy '$mergeStrategy'" ); |
| 541 | } |
| 542 | } |
| 543 | } |
| 544 | |
| 545 | if ( isset( $info['autoloaderNS'] ) ) { |
| 546 | AutoLoader::registerNamespaces( $info['autoloaderNS'] ); |
| 547 | } |
| 548 | |
| 549 | if ( isset( $info['autoloaderClasses'] ) ) { |
| 550 | AutoLoader::registerClasses( $info['autoloaderClasses'] ); |
| 551 | } |
| 552 | |
| 553 | foreach ( $info['defines'] as $name => $val ) { |
| 554 | if ( !defined( $name ) ) { |
| 555 | define( $name, $val ); |
| 556 | } elseif ( constant( $name ) !== $val ) { |
| 557 | throw new UnexpectedValueException( |
| 558 | "$name cannot be re-defined with $val it has already been set with " . constant( $name ) |
| 559 | ); |
| 560 | } |
| 561 | } |
| 562 | |
| 563 | if ( isset( $info['autoloaderPaths'] ) ) { |
| 564 | AutoLoader::loadFiles( $info['autoloaderPaths'] ); |
| 565 | } |
| 566 | |
| 567 | $this->loaded += $info['credits']; |
| 568 | if ( $info['attributes'] ) { |
| 569 | if ( !$this->attributes ) { |
| 570 | $this->attributes = $info['attributes']; |
| 571 | } else { |
| 572 | $this->attributes = array_merge_recursive( $this->attributes, $info['attributes'] ); |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | // XXX: SettingsBuilder should really be a parameter to this method. |
| 577 | $settings = $this->getSettingsBuilder(); |
| 578 | |
| 579 | foreach ( $info['callbacks'] as $name => $cb ) { |
| 580 | if ( !is_callable( $cb ) ) { |
| 581 | if ( is_array( $cb ) ) { |
| 582 | $cb = '[ ' . implode( ', ', $cb ) . ' ]'; |
| 583 | } |
| 584 | throw new UnexpectedValueException( "callback '$cb' is not callable" ); |
| 585 | } |
| 586 | $cb( $info['credits'][$name], $settings ); |
| 587 | } |
| 588 | } |
| 589 | |
| 590 | /** |
| 591 | * Whether a thing has been loaded |
| 592 | * |
| 593 | * @param string $name |
| 594 | * @param string $constraint The required version constraint for this dependency |
| 595 | * @return bool |
| 596 | */ |
| 597 | public function isLoaded( $name, $constraint = '*' ) { |
| 598 | $isLoaded = isset( $this->loaded[$name] ); |
| 599 | if ( $constraint === '*' || !$isLoaded ) { |
| 600 | return $isLoaded; |
| 601 | } |
| 602 | // if a specific constraint is requested, but no version is set, throw an exception |
| 603 | if ( !isset( $this->loaded[$name]['version'] ) ) { |
| 604 | $msg = "{$name} does not expose its version, but an extension or a skin" |
| 605 | . " requires: {$constraint}."; |
| 606 | throw new LogicException( $msg ); |
| 607 | } |
| 608 | |
| 609 | return Semver::satisfies( $this->loaded[$name]['version'], $constraint ); |
| 610 | } |
| 611 | |
| 612 | /** |
| 613 | * @param string $name |
| 614 | * |
| 615 | * @return array |
| 616 | */ |
| 617 | public function getAttribute( $name ) { |
| 618 | if ( isset( $this->testAttributes[$name] ) ) { |
| 619 | return $this->testAttributes[$name]; |
| 620 | } |
| 621 | |
| 622 | if ( in_array( $name, self::LAZY_LOADED_ATTRIBUTES, true ) ) { |
| 623 | return $this->getLazyLoadedAttribute( $name ); |
| 624 | } |
| 625 | |
| 626 | return $this->attributes[$name] ?? []; |
| 627 | } |
| 628 | |
| 629 | /** |
| 630 | * Register any domain event subscribers defined by extensions. |
| 631 | * |
| 632 | * @internal |
| 633 | */ |
| 634 | public function registerListeners( DomainEventSource $eventSource ): void { |
| 635 | foreach ( $this->getAttribute( 'DomainEventSubscribers' ) as $subscriber ) { |
| 636 | $eventSource->registerSubscriber( $subscriber ); |
| 637 | } |
| 638 | } |
| 639 | |
| 640 | /** |
| 641 | * Get an attribute value that isn't cached by reading each |
| 642 | * extension.json file again |
| 643 | * |
| 644 | * @param string $name |
| 645 | * |
| 646 | * @return array |
| 647 | */ |
| 648 | protected function getLazyLoadedAttribute( $name ) { |
| 649 | if ( isset( $this->testAttributes[$name] ) ) { |
| 650 | return $this->testAttributes[$name]; |
| 651 | } |
| 652 | if ( isset( $this->lazyAttributes[$name] ) ) { |
| 653 | return $this->lazyAttributes[$name]; |
| 654 | } |
| 655 | |
| 656 | // See if it's in the cache |
| 657 | $cache = $this->getCache(); |
| 658 | $key = $this->makeCacheKey( $cache, 'lazy-attrib', $name ); |
| 659 | $data = $cache->get( $key ); |
| 660 | if ( $data !== false ) { |
| 661 | $this->lazyAttributes[$name] = $data; |
| 662 | |
| 663 | return $data; |
| 664 | } |
| 665 | |
| 666 | $paths = []; |
| 667 | foreach ( $this->loaded as $info ) { |
| 668 | // mtime (array value) doesn't matter here since |
| 669 | // we're skipping cache, so use a dummy time |
| 670 | $paths[$info['path']] = 1; |
| 671 | } |
| 672 | |
| 673 | $result = $this->readFromQueue( $paths ); |
| 674 | $data = $result['attributes'][$name] ?? []; |
| 675 | $this->saveToCache( $cache, $result ); |
| 676 | $this->lazyAttributes[$name] = $data; |
| 677 | |
| 678 | return $data; |
| 679 | } |
| 680 | |
| 681 | /** |
| 682 | * Force override the value of an attribute during tests |
| 683 | * |
| 684 | * @param string $name Name of attribute to override |
| 685 | * @param array $value Value to set |
| 686 | * |
| 687 | * @return ScopedCallback to reset |
| 688 | * @since 1.33 |
| 689 | */ |
| 690 | public function setAttributeForTest( $name, array $value ) { |
| 691 | // @codeCoverageIgnoreStart |
| 692 | if ( !defined( 'MW_PHPUNIT_TEST' ) ) { |
| 693 | throw new LogicException( __METHOD__ . ' can only be used in tests' ); |
| 694 | } |
| 695 | // @codeCoverageIgnoreEnd |
| 696 | if ( isset( $this->testAttributes[$name] ) ) { |
| 697 | throw new InvalidArgumentException( "The attribute '$name' has already been overridden" ); |
| 698 | } |
| 699 | $this->testAttributes[$name] = $value; |
| 700 | |
| 701 | return new ScopedCallback( function () use ( $name ) { |
| 702 | unset( $this->testAttributes[$name] ); |
| 703 | } ); |
| 704 | } |
| 705 | |
| 706 | /** |
| 707 | * Get credits information about all installed extensions and skins. |
| 708 | * |
| 709 | * @return array[] Keyed by component name. |
| 710 | */ |
| 711 | public function getAllThings() { |
| 712 | return $this->loaded; |
| 713 | } |
| 714 | |
| 715 | /** |
| 716 | * Fully expand autoloader paths |
| 717 | * |
| 718 | * @param string $dir |
| 719 | * @param string[] $files |
| 720 | * |
| 721 | * @return array |
| 722 | */ |
| 723 | protected static function processAutoLoader( $dir, array $files ) { |
| 724 | // Make paths absolute, relative to the JSON file |
| 725 | foreach ( $files as &$file ) { |
| 726 | $file = "$dir/$file"; |
| 727 | } |
| 728 | |
| 729 | return $files; |
| 730 | } |
| 731 | |
| 732 | /** |
| 733 | * @internal for use by Setup. Hopefully in the future, we find a better way. |
| 734 | * |
| 735 | * @param SettingsBuilder $settingsBuilder |
| 736 | */ |
| 737 | public function setSettingsBuilder( SettingsBuilder $settingsBuilder ) { |
| 738 | $this->settingsBuilder = $settingsBuilder; |
| 739 | } |
| 740 | |
| 741 | private function getSettingsBuilder(): SettingsBuilder { |
| 742 | if ( $this->settingsBuilder === null ) { |
| 743 | $this->settingsBuilder = SettingsBuilder::getInstance(); |
| 744 | } |
| 745 | |
| 746 | return $this->settingsBuilder; |
| 747 | } |
| 748 | } |
| 749 | |
| 750 | /** @deprecated class alias since 1.43 */ |
| 751 | class_alias( ExtensionRegistry::class, 'ExtensionRegistry' ); |