includes/MediaWikiServices.php

   1 <?php
   2
   3 namespace MediaWiki;
   4
   5 use ActorMigration;
   6 use CommentStore;
   7 use Config;
   8 use ConfigFactory;
   9 use CryptHKDF;
  10 use DateFormatterFactory;
  11 use EventRelayerGroup;
  12 use GenderCache;
  13 use GlobalVarConfig;
  14 use Hooks;
  15 use IBufferingStatsdDataFactory;
  16 use Liuggio\StatsdClient\Factory\StatsdDataFactoryInterface;
  17 use MediaWiki\Block\BlockManager;
  18 use MediaWiki\Block\BlockRestrictionStore;
  19 use MediaWiki\Http\HttpRequestFactory;
  20 use MediaWiki\Permissions\PermissionManager;
  21 use MediaWiki\Preferences\PreferencesFactory;
  22 use MediaWiki\Shell\CommandFactory;
  23 use MediaWiki\Revision\RevisionRenderer;
  24 use MediaWiki\Revision\SlotRoleRegistry;
  25 use MediaWiki\Special\SpecialPageFactory;
  26 use MediaWiki\Storage\BlobStore;
  27 use MediaWiki\Storage\BlobStoreFactory;
  28 use MediaWiki\Storage\NameTableStore;
  29 use MediaWiki\Storage\NameTableStoreFactory;
  30 use MediaWiki\Revision\RevisionFactory;
  31 use MediaWiki\Revision\RevisionLookup;
  32 use MediaWiki\Revision\RevisionStore;
  33 use OldRevisionImporter;
  34 use MediaWiki\Revision\RevisionStoreFactory;
  35 use UploadRevisionImporter;
  36 use Wikimedia\Rdbms\ILoadBalancer;
  37 use LinkCache;
  38 use MediaHandlerFactory;
  39 use MediaWiki\Config\ConfigRepository;
  40 use MediaWiki\Linker\LinkRenderer;
  41 use MediaWiki\Linker\LinkRendererFactory;
  42 use MWException;
  43 use MimeAnalyzer;
  44 use NamespaceInfo;
  45 use ObjectCache;
  46 use Parser;
  47 use ParserCache;
  48 use ParserFactory;
  49 use PasswordFactory;
  50 use ProxyLookup;
  51 use RepoGroup;
  52 use ResourceLoader;
  53 use SearchEngine;
  54 use SearchEngineConfig;
  55 use SearchEngineFactory;
  56 use SiteLookup;
  57 use SiteStore;
  58 use WatchedItemStoreInterface;
  59 use WatchedItemQueryService;
  60 use SkinFactory;
  61 use TitleFormatter;
  62 use TitleParser;
  63 use VirtualRESTServiceClient;
  64 use Wikimedia\Rdbms\LBFactory;
  65 use Wikimedia\Services\SalvageableService;
  66 use Wikimedia\Services\ServiceContainer;
  67 use Wikimedia\Services\NoSuchServiceException;
  68 use MediaWiki\Interwiki\InterwikiLookup;
  69 use MagicWordFactory;
  70 use MediaWiki\Storage\PageEditStash;
  71
  72 /**
  73  * Service locator for MediaWiki core services.
  74  *
  75  * This program is free software; you can redistribute it and/or modify
  76  * it under the terms of the GNU General Public License as published by
  77  * the Free Software Foundation; either version 2 of the License, or
  78  * (at your option) any later version.
  79  *
  80  * This program is distributed in the hope that it will be useful,
  81  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  82  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  83  * GNU General Public License for more details.
  84  *
  85  * You should have received a copy of the GNU General Public License along
  86  * with this program; if not, write to the Free Software Foundation, Inc.,
  87  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  88  * http://www.gnu.org/copyleft/gpl.html
  89  *
  90  * @file
  91  *
  92  * @since 1.27
  93  */
  94
  95 /**
  96  * MediaWikiServices is the service locator for the application scope of MediaWiki.
  97  * Its implemented as a simple configurable DI container.
  98  * MediaWikiServices acts as a top level factory/registry for top level services, and builds
  99  * the network of service objects that defines MediaWiki's application logic.
 100  * It acts as an entry point to MediaWiki's dependency injection mechanism.
 101  *
 102  * Services are defined in the "wiring" array passed to the constructor,
 103  * or by calling defineService().
 104  *
 105  * @see docs/injection.txt for an overview of using dependency injection in the
 106  *      MediaWiki code base.
 107  */
 108 class MediaWikiServices extends ServiceContainer {
 109
 110         /**
 111          * @var MediaWikiServices|null
 112          */
 113         private static $instance = null;
 114
 115         /**
 116          * Returns the global default instance of the top level service locator.
 117          *
 118          * @since 1.27
 119          *
 120          * The default instance is initialized using the service instantiator functions
 121          * defined in ServiceWiring.php.
 122          *
 123          * @note This should only be called by static functions! The instance returned here
 124          * should not be passed around! Objects that need access to a service should have
 125          * that service injected into the constructor, never a service locator!
 126          *
 127          * @return MediaWikiServices
 128          */
 129         public static function getInstance() {
 130                 if ( self::$instance === null ) {
 131                         // NOTE: constructing GlobalVarConfig here is not particularly pretty,
 132                         // but some information from the global scope has to be injected here,
 133                         // even if it's just a file name or database credentials to load
 134                         // configuration from.
 135                         $bootstrapConfig = new GlobalVarConfig();
 136                         self::$instance = self::newInstance( $bootstrapConfig, 'load' );
 137                 }
 138
 139                 return self::$instance;
 140         }
 141
 142         /**
 143          * Replaces the global MediaWikiServices instance.
 144          *
 145          * @since 1.28
 146          *
 147          * @note This is for use in PHPUnit tests only!
 148          *
 149          * @throws MWException if called outside of PHPUnit tests.
 150          *
 151          * @param MediaWikiServices $services The new MediaWikiServices object.
 152          *
 153          * @return MediaWikiServices The old MediaWikiServices object, so it can be restored later.
 154          */
 155         public static function forceGlobalInstance( MediaWikiServices $services ) {
 156                 if ( !defined( 'MW_PHPUNIT_TEST' ) ) {
 157                         throw new MWException( __METHOD__ . ' must not be used outside unit tests.' );
 158                 }
 159
 160                 $old = self::getInstance();
 161                 self::$instance = $services;
 162
 163                 return $old;
 164         }
 165
 166         /**
 167          * Creates a new instance of MediaWikiServices and sets it as the global default
 168          * instance. getInstance() will return a different MediaWikiServices object
 169          * after every call to resetGlobalInstance().
 170          *
 171          * @since 1.28
 172          *
 173          * @warning This should not be used during normal operation. It is intended for use
 174          * when the configuration has changed significantly since bootstrap time, e.g.
 175          * during the installation process or during testing.
 176          *
 177          * @warning Calling resetGlobalInstance() may leave the application in an inconsistent
 178          * state. Calling this is only safe under the ASSUMPTION that NO REFERENCE to
 179          * any of the services managed by MediaWikiServices exist. If any service objects
 180          * managed by the old MediaWikiServices instance remain in use, they may INTERFERE
 181          * with the operation of the services managed by the new MediaWikiServices.
 182          * Operating with a mix of services created by the old and the new
 183          * MediaWikiServices instance may lead to INCONSISTENCIES and even DATA LOSS!
 184          * Any class implementing LAZY LOADING is especially prone to this problem,
 185          * since instances would typically retain a reference to a storage layer service.
 186          *
 187          * @see forceGlobalInstance()
 188          * @see resetGlobalInstance()
 189          * @see resetBetweenTest()
 190          *
 191          * @param Config|null $bootstrapConfig The Config object to be registered as the
 192          *        'BootstrapConfig' service. This has to contain at least the information
 193          *        needed to set up the 'ConfigFactory' service. If not given, the bootstrap
 194          *        config of the old instance of MediaWikiServices will be re-used. If there
 195          *        was no previous instance, a new GlobalVarConfig object will be used to
 196          *        bootstrap the services.
 197          *
 198          * @param string $quick Set this to "quick" to allow expensive resources to be re-used.
 199          * See SalvageableService for details.
 200          *
 201          * @throws MWException If called after MW_SERVICE_BOOTSTRAP_COMPLETE has been defined in
 202          *         Setup.php (unless MW_PHPUNIT_TEST or MEDIAWIKI_INSTALL or RUN_MAINTENANCE_IF_MAIN
 203          *          is defined).
 204          */
 205         public static function resetGlobalInstance( Config $bootstrapConfig = null, $quick = '' ) {
 206                 if ( self::$instance === null ) {
 207                         // no global instance yet, nothing to reset
 208                         return;
 209                 }
 210
 211                 self::failIfResetNotAllowed( __METHOD__ );
 212
 213                 if ( $bootstrapConfig === null ) {
 214                         $bootstrapConfig = self::$instance->getBootstrapConfig();
 215                 }
 216
 217                 $oldInstance = self::$instance;
 218
 219                 self::$instance = self::newInstance( $bootstrapConfig, 'load' );
 220                 self::$instance->importWiring( $oldInstance, [ 'BootstrapConfig' ] );
 221
 222                 if ( $quick === 'quick' ) {
 223                         self::$instance->salvage( $oldInstance );
 224                 } else {
 225                         $oldInstance->destroy();
 226                 }
 227         }
 228
 229         /** @noinspection PhpDocSignatureInspection */
 230
 231         /**
 232          * Salvages the state of any salvageable service instances in $other.
 233          *
 234          * @note $other will have been destroyed when salvage() returns.
 235          *
 236          * @param MediaWikiServices $other
 237          */
 238         private function salvage( self $other ) {
 239                 foreach ( $this->getServiceNames() as $name ) {
 240                         // The service could be new in the new instance and not registered in the
 241                         // other instance (e.g. an extension that was loaded after the instantiation of
 242                         // the other instance. Skip this service in this case. See T143974
 243                         try {
 244                                 $oldService = $other->peekService( $name );
 245                         } catch ( NoSuchServiceException $e ) {
 246                                 continue;
 247                         }
 248
 249                         if ( $oldService instanceof SalvageableService ) {
 250                                 /** @var SalvageableService $newService */
 251                                 $newService = $this->getService( $name );
 252                                 $newService->salvage( $oldService );
 253                         }
 254                 }
 255
 256                 $other->destroy();
 257         }
 258
 259         /**
 260          * Creates a new MediaWikiServices instance and initializes it according to the
 261          * given $bootstrapConfig. In particular, all wiring files defined in the
 262          * ServiceWiringFiles setting are loaded, and the MediaWikiServices hook is called.
 263          *
 264          * @param Config|null $bootstrapConfig The Config object to be registered as the
 265          *        'BootstrapConfig' service.
 266          *
 267          * @param string $loadWiring set this to 'load' to load the wiring files specified
 268          *        in the 'ServiceWiringFiles' setting in $bootstrapConfig.
 269          *
 270          * @return MediaWikiServices
 271          * @throws MWException
 272          * @throws \FatalError
 273          */
 274         private static function newInstance( Config $bootstrapConfig, $loadWiring = '' ) {
 275                 $instance = new self( $bootstrapConfig );
 276
 277                 // Load the default wiring from the specified files.
 278                 if ( $loadWiring === 'load' ) {
 279                         $wiringFiles = $bootstrapConfig->get( 'ServiceWiringFiles' );
 280                         $instance->loadWiringFiles( $wiringFiles );
 281                 }
 282
 283                 // Provide a traditional hook point to allow extensions to configure services.
 284                 Hooks::run( 'MediaWikiServices', [ $instance ] );
 285
 286                 return $instance;
 287         }
 288
 289         /**
 290          * Disables all storage layer services. After calling this, any attempt to access the
 291          * storage layer will result in an error. Use resetGlobalInstance() to restore normal
 292          * operation.
 293          *
 294          * @since 1.28
 295          *
 296          * @warning This is intended for extreme situations only and should never be used
 297          * while serving normal web requests. Legitimate use cases for this method include
 298          * the installation process. Test fixtures may also use this, if the fixture relies
 299          * on globalState.
 300          *
 301          * @see resetGlobalInstance()
 302          * @see resetChildProcessServices()
 303          */
 304         public static function disableStorageBackend() {
 305                 // TODO: also disable some Caches, JobQueues, etc
 306                 $destroy = [ 'DBLoadBalancer', 'DBLoadBalancerFactory' ];
 307                 $services = self::getInstance();
 308
 309                 foreach ( $destroy as $name ) {
 310                         $services->disableService( $name );
 311                 }
 312
 313                 ObjectCache::clear();
 314         }
 315
 316         /**
 317          * Resets any services that may have become stale after a child process
 318          * returns from after pcntl_fork(). It's also safe, but generally unnecessary,
 319          * to call this method from the parent process.
 320          *
 321          * @since 1.28
 322          *
 323          * @note This is intended for use in the context of process forking only!
 324          *
 325          * @see resetGlobalInstance()
 326          * @see disableStorageBackend()
 327          */
 328         public static function resetChildProcessServices() {
 329                 // NOTE: for now, just reset everything. Since we don't know the interdependencies
 330                 // between services, we can't do this more selectively at this time.
 331                 self::resetGlobalInstance();
 332
 333                 // Child, reseed because there is no bug in PHP:
 334                 // https://bugs.php.net/bug.php?id=42465
 335                 mt_srand( getmypid() );
 336         }
 337
 338         /**
 339          * Resets the given service for testing purposes.
 340          *
 341          * @since 1.28
 342          *
 343          * @warning This is generally unsafe! Other services may still retain references
 344          * to the stale service instance, leading to failures and inconsistencies. Subclasses
 345          * may use this method to reset specific services under specific instances, but
 346          * it should not be exposed to application logic.
 347          *
 348          * @note With proper dependency injection used throughout the codebase, this method
 349          * should not be needed. It is provided to allow tests that pollute global service
 350          * instances to clean up.
 351          *
 352          * @param string $name
 353          * @param bool $destroy Whether the service instance should be destroyed if it exists.
 354          *        When set to false, any existing service instance will effectively be detached
 355          *        from the container.
 356          *
 357          * @throws MWException if called outside of PHPUnit tests.
 358          */
 359         public function resetServiceForTesting( $name, $destroy = true ) {
 360                 if ( !defined( 'MW_PHPUNIT_TEST' ) && !defined( 'MW_PARSER_TEST' ) ) {
 361                         throw new MWException( 'resetServiceForTesting() must not be used outside unit tests.' );
 362                 }
 363
 364                 $this->resetService( $name, $destroy );
 365         }
 366
 367         /**
 368          * Convenience method that throws an exception unless it is called during a phase in which
 369          * resetting of global services is allowed. In general, services should not be reset
 370          * individually, since that may introduce inconsistencies.
 371          *
 372          * @since 1.28
 373          *
 374          * This method will throw an exception if:
 375          *
 376          * - self::$resetInProgress is false (to allow all services to be reset together
 377          *   via resetGlobalInstance)
 378          * - and MEDIAWIKI_INSTALL is not defined (to allow services to be reset during installation)
 379          * - and MW_PHPUNIT_TEST is not defined (to allow services to be reset during testing)
 380          *
 381          * This method is intended to be used to safeguard against accidentally resetting
 382          * global service instances that are not yet managed by MediaWikiServices. It is
 383          * defined here in the MediaWikiServices services class to have a central place
 384          * for managing service bootstrapping and resetting.
 385          *
 386          * @param string $method the name of the caller method, as given by __METHOD__.
 387          *
 388          * @throws MWException if called outside bootstrap mode.
 389          *
 390          * @see resetGlobalInstance()
 391          * @see forceGlobalInstance()
 392          * @see disableStorageBackend()
 393          */
 394         public static function failIfResetNotAllowed( $method ) {
 395                 if ( !defined( 'MW_PHPUNIT_TEST' )
 396                         && !defined( 'MW_PARSER_TEST' )
 397                         && !defined( 'MEDIAWIKI_INSTALL' )
 398                         && !defined( 'RUN_MAINTENANCE_IF_MAIN' )
 399                         && defined( 'MW_SERVICE_BOOTSTRAP_COMPLETE' )
 400                 ) {
 401                         throw new MWException( $method . ' may only be called during bootstrapping and unit tests!' );
 402                 }
 403         }
 404
 405         /**
 406          * @param Config $config The Config object to be registered as the 'BootstrapConfig' service.
 407          *        This has to contain at least the information needed to set up the 'ConfigFactory'
 408          *        service.
 409          */
 410         public function __construct( Config $config ) {
 411                 parent::__construct();
 412
 413                 // Register the given Config object as the bootstrap config service.
 414                 $this->defineService( 'BootstrapConfig', function () use ( $config ) {
 415                         return $config;
 416                 } );
 417         }
 418
 419         // CONVENIENCE GETTERS ////////////////////////////////////////////////////
 420
 421         /**
 422          * @since 1.31
 423          * @return ActorMigration
 424          */
 425         public function getActorMigration() {
 426                 return $this->getService( 'ActorMigration' );
 427         }
 428
 429         /**
 430          * @since 1.31
 431          * @return BlobStore
 432          */
 433         public function getBlobStore() {
 434                 return $this->getService( '_SqlBlobStore' );
 435         }
 436
 437         /**
 438          * @since 1.31
 439          * @return BlobStoreFactory
 440          */
 441         public function getBlobStoreFactory() {
 442                 return $this->getService( 'BlobStoreFactory' );
 443         }
 444
 445         /**
 446          * @since 1.34
 447          * @return BlockManager
 448          */
 449         public function getBlockManager() : BlockManager {
 450                 return $this->getService( 'BlockManager' );
 451         }
 452
 453         /**
 454          * @since 1.33
 455          * @return BlockRestrictionStore
 456          */
 457         public function getBlockRestrictionStore() : BlockRestrictionStore {
 458                 return $this->getService( 'BlockRestrictionStore' );
 459         }
 460
 461         /**
 462          * Returns the Config object containing the bootstrap configuration.
 463          * Bootstrap configuration would typically include database credentials
 464          * and other information that may be needed before the ConfigFactory
 465          * service can be instantiated.
 466          *
 467          * @note This should only be used during bootstrapping, in particular
 468          * when creating the MainConfig service. Application logic should
 469          * use getMainConfig() to get a Config instances.
 470          *
 471          * @since 1.27
 472          * @return Config
 473          */
 474         public function getBootstrapConfig() {
 475                 return $this->getService( 'BootstrapConfig' );
 476         }
 477
 478         /**
 479          * @since 1.32
 480          * @return NameTableStore
 481          */
 482         public function getChangeTagDefStore() {
 483                 return $this->getService( 'NameTableStoreFactory' )->getChangeTagDef();
 484         }
 485
 486         /**
 487          * @since 1.31
 488          * @return CommentStore
 489          */
 490         public function getCommentStore() {
 491                 return $this->getService( 'CommentStore' );
 492         }
 493
 494         /**
 495          * @since 1.27
 496          * @return ConfigFactory
 497          */
 498         public function getConfigFactory() {
 499                 return $this->getService( 'ConfigFactory' );
 500         }
 501
 502         /**
 503          * @since 1.32
 504          * @return ConfigRepository
 505          */
 506         public function getConfigRepository() {
 507                 return $this->getService( 'ConfigRepository' );
 508         }
 509
 510         /**
 511          * @since 1.29
 512          * @return \ConfiguredReadOnlyMode
 513          */
 514         public function getConfiguredReadOnlyMode() {
 515                 return $this->getService( 'ConfiguredReadOnlyMode' );
 516         }
 517
 518         /**
 519          * @since 1.32
 520          * @return \Language
 521          */
 522         public function getContentLanguage() {
 523                 return $this->getService( 'ContentLanguage' );
 524         }
 525
 526         /**
 527          * @since 1.31
 528          * @return NameTableStore
 529          */
 530         public function getContentModelStore() {
 531                 return $this->getService( 'NameTableStoreFactory' )->getContentModels();
 532         }
 533
 534         /**
 535          * @since 1.28
 536          * @return CryptHKDF
 537          */
 538         public function getCryptHKDF() {
 539                 return $this->getService( 'CryptHKDF' );
 540         }
 541
 542         /**
 543          * @since 1.33
 544          * @return DateFormatterFactory
 545          */
 546         public function getDateFormatterFactory() {
 547                 return $this->getService( 'DateFormatterFactory' );
 548         }
 549
 550         /**
 551          * @since 1.28
 552          * @return ILoadBalancer The main DB load balancer for the local wiki.
 553          */
 554         public function getDBLoadBalancer() {
 555                 return $this->getService( 'DBLoadBalancer' );
 556         }
 557
 558         /**
 559          * @since 1.28
 560          * @return LBFactory
 561          */
 562         public function getDBLoadBalancerFactory() {
 563                 return $this->getService( 'DBLoadBalancerFactory' );
 564         }
 565
 566         /**
 567          * @since 1.27
 568          * @return EventRelayerGroup
 569          */
 570         public function getEventRelayerGroup() {
 571                 return $this->getService( 'EventRelayerGroup' );
 572         }
 573
 574         /**
 575          * @since 1.34
 576          * @return \ExternalStoreAccess
 577          */
 578         public function getExternalStoreAccess() {
 579                 return $this->getService( 'ExternalStoreAccess' );
 580         }
 581
 582         /**
 583          * @since 1.31
 584          * @return \ExternalStoreFactory
 585          */
 586         public function getExternalStoreFactory() {
 587                 return $this->getService( 'ExternalStoreFactory' );
 588         }
 589
 590         /**
 591          * @since 1.28
 592          * @return GenderCache
 593          */
 594         public function getGenderCache() {
 595                 return $this->getService( 'GenderCache' );
 596         }
 597
 598         /**
 599          * @since 1.31
 600          * @return HttpRequestFactory
 601          */
 602         public function getHttpRequestFactory() {
 603                 return $this->getService( 'HttpRequestFactory' );
 604         }
 605
 606         /**
 607          * @since 1.28
 608          * @return InterwikiLookup
 609          */
 610         public function getInterwikiLookup() {
 611                 return $this->getService( 'InterwikiLookup' );
 612         }
 613
 614         /**
 615          * @since 1.28
 616          * @return LinkCache
 617          */
 618         public function getLinkCache() {
 619                 return $this->getService( 'LinkCache' );
 620         }
 621
 622         /**
 623          * LinkRenderer instance that can be used
 624          * if no custom options are needed
 625          *
 626          * @since 1.28
 627          * @return LinkRenderer
 628          */
 629         public function getLinkRenderer() {
 630                 return $this->getService( 'LinkRenderer' );
 631         }
 632
 633         /**
 634          * @since 1.28
 635          * @return LinkRendererFactory
 636          */
 637         public function getLinkRendererFactory() {
 638                 return $this->getService( 'LinkRendererFactory' );
 639         }
 640
 641         /**
 642          * @since 1.28
 643          * @return \BagOStuff
 644          */
 645         public function getLocalServerObjectCache() {
 646                 return $this->getService( 'LocalServerObjectCache' );
 647         }
 648
 649         /**
 650          * @since 1.32
 651          * @return MagicWordFactory
 652          */
 653         public function getMagicWordFactory() {
 654                 return $this->getService( 'MagicWordFactory' );
 655         }
 656
 657         /**
 658          * Returns the Config object that provides configuration for MediaWiki core.
 659          * This may or may not be the same object that is returned by getBootstrapConfig().
 660          *
 661          * @since 1.27
 662          * @return Config
 663          */
 664         public function getMainConfig() {
 665                 return $this->getService( 'MainConfig' );
 666         }
 667
 668         /**
 669          * @since 1.28
 670          * @return \BagOStuff
 671          */
 672         public function getMainObjectStash() {
 673                 return $this->getService( 'MainObjectStash' );
 674         }
 675
 676         /**
 677          * @since 1.28
 678          * @return \WANObjectCache
 679          */
 680         public function getMainWANObjectCache() {
 681                 return $this->getService( 'MainWANObjectCache' );
 682         }
 683
 684         /**
 685          * @since 1.28
 686          * @return MediaHandlerFactory
 687          */
 688         public function getMediaHandlerFactory() {
 689                 return $this->getService( 'MediaHandlerFactory' );
 690         }
 691
 692         /**
 693          * @since 1.28
 694          * @return MimeAnalyzer
 695          */
 696         public function getMimeAnalyzer() {
 697                 return $this->getService( 'MimeAnalyzer' );
 698         }
 699
 700         /**
 701          * @since 1.34
 702          * @return NamespaceInfo
 703          */
 704         public function getNamespaceInfo() : NamespaceInfo {
 705                 return $this->getService( 'NamespaceInfo' );
 706         }
 707
 708         /**
 709          * @since 1.32
 710          * @return NameTableStoreFactory
 711          */
 712         public function getNameTableStoreFactory() {
 713                 return $this->getService( 'NameTableStoreFactory' );
 714         }
 715
 716         /**
 717          * @since 1.32
 718          * @return OldRevisionImporter
 719          */
 720         public function getOldRevisionImporter() {
 721                 return $this->getService( 'OldRevisionImporter' );
 722         }
 723
 724         /**
 725          * @return PageEditStash
 726          * @since 1.34
 727          */
 728         public function getPageEditStash() {
 729                 return $this->getService( 'PageEditStash' );
 730         }
 731
 732         /**
 733          * @since 1.29
 734          * @return Parser
 735          */
 736         public function getParser() {
 737                 return $this->getService( 'Parser' );
 738         }
 739
 740         /**
 741          * @since 1.30
 742          * @return ParserCache
 743          */
 744         public function getParserCache() {
 745                 return $this->getService( 'ParserCache' );
 746         }
 747
 748         /**
 749          * @since 1.32
 750          * @return ParserFactory
 751          */
 752         public function getParserFactory() {
 753                 return $this->getService( 'ParserFactory' );
 754         }
 755
 756         /**
 757          * @since 1.32
 758          * @return PasswordFactory
 759          */
 760         public function getPasswordFactory() {
 761                 return $this->getService( 'PasswordFactory' );
 762         }
 763
 764         /**
 765          * @since 1.32
 766          * @return StatsdDataFactoryInterface
 767          */
 768         public function getPerDbNameStatsdDataFactory() {
 769                 return $this->getService( 'PerDbNameStatsdDataFactory' );
 770         }
 771
 772         /**
 773          * @since 1.33
 774          * @return PermissionManager
 775          */
 776         public function getPermissionManager() {
 777                 return $this->getService( 'PermissionManager' );
 778         }
 779
 780         /**
 781          * @since 1.31
 782          * @return PreferencesFactory
 783          */
 784         public function getPreferencesFactory() {
 785                 return $this->getService( 'PreferencesFactory' );
 786         }
 787
 788         /**
 789          * @since 1.28
 790          * @return ProxyLookup
 791          */
 792         public function getProxyLookup() {
 793                 return $this->getService( 'ProxyLookup' );
 794         }
 795
 796         /**
 797          * @since 1.29
 798          * @return \ReadOnlyMode
 799          */
 800         public function getReadOnlyMode() {
 801                 return $this->getService( 'ReadOnlyMode' );
 802         }
 803
 804         /**
 805          * @since 1.34
 806          * @return RepoGroup
 807          */
 808         public function getRepoGroup() : RepoGroup {
 809                 return $this->getService( 'RepoGroup' );
 810         }
 811
 812         /**
 813          * @since 1.33
 814          * @return ResourceLoader
 815          */
 816         public function getResourceLoader() {
 817                 return $this->getService( 'ResourceLoader' );
 818         }
 819
 820         /**
 821          * @since 1.31
 822          * @return RevisionFactory
 823          */
 824         public function getRevisionFactory() {
 825                 return $this->getService( 'RevisionFactory' );
 826         }
 827
 828         /**
 829          * @since 1.31
 830          * @return RevisionLookup
 831          */
 832         public function getRevisionLookup() {
 833                 return $this->getService( 'RevisionLookup' );
 834         }
 835
 836         /**
 837          * @since 1.32
 838          * @return RevisionRenderer
 839          */
 840         public function getRevisionRenderer() {
 841                 return $this->getService( 'RevisionRenderer' );
 842         }
 843
 844         /**
 845          * @since 1.31
 846          * @return RevisionStore
 847          */
 848         public function getRevisionStore() {
 849                 return $this->getService( 'RevisionStore' );
 850         }
 851
 852         /**
 853          * @since 1.32
 854          * @return RevisionStoreFactory
 855          */
 856         public function getRevisionStoreFactory() {
 857                 return $this->getService( 'RevisionStoreFactory' );
 858         }
 859
 860         /**
 861          * @since 1.27
 862          * @return SearchEngine
 863          */
 864         public function newSearchEngine() {
 865                 // New engine object every time, since they keep state
 866                 return $this->getService( 'SearchEngineFactory' )->create();
 867         }
 868
 869         /**
 870          * @since 1.27
 871          * @return SearchEngineConfig
 872          */
 873         public function getSearchEngineConfig() {
 874                 return $this->getService( 'SearchEngineConfig' );
 875         }
 876
 877         /**
 878          * @since 1.27
 879          * @return SearchEngineFactory
 880          */
 881         public function getSearchEngineFactory() {
 882                 return $this->getService( 'SearchEngineFactory' );
 883         }
 884
 885         /**
 886          * @since 1.30
 887          * @return CommandFactory
 888          */
 889         public function getShellCommandFactory() {
 890                 return $this->getService( 'ShellCommandFactory' );
 891         }
 892
 893         /**
 894          * @since 1.27
 895          * @return SiteLookup
 896          */
 897         public function getSiteLookup() {
 898                 return $this->getService( 'SiteLookup' );
 899         }
 900
 901         /**
 902          * @since 1.27
 903          * @return SiteStore
 904          */
 905         public function getSiteStore() {
 906                 return $this->getService( 'SiteStore' );
 907         }
 908
 909         /**
 910          * @since 1.27
 911          * @return SkinFactory
 912          */
 913         public function getSkinFactory() {
 914                 return $this->getService( 'SkinFactory' );
 915         }
 916
 917         /**
 918          * @since 1.33
 919          * @return SlotRoleRegistry
 920          */
 921         public function getSlotRoleRegistry() {
 922                 return $this->getService( 'SlotRoleRegistry' );
 923         }
 924
 925         /**
 926          * @since 1.31
 927          * @return NameTableStore
 928          */
 929         public function getSlotRoleStore() {
 930                 return $this->getService( 'NameTableStoreFactory' )->getSlotRoles();
 931         }
 932
 933         /**
 934          * @since 1.32
 935          * @return SpecialPageFactory
 936          */
 937         public function getSpecialPageFactory() : SpecialPageFactory {
 938                 return $this->getService( 'SpecialPageFactory' );
 939         }
 940
 941         /**
 942          * @since 1.27
 943          * @return IBufferingStatsdDataFactory
 944          */
 945         public function getStatsdDataFactory() {
 946                 return $this->getService( 'StatsdDataFactory' );
 947         }
 948
 949         /**
 950          * @since 1.28
 951          * @return TitleFormatter
 952          */
 953         public function getTitleFormatter() {
 954                 return $this->getService( 'TitleFormatter' );
 955         }
 956
 957         /**
 958          * @since 1.28
 959          * @return TitleParser
 960          */
 961         public function getTitleParser() {
 962                 return $this->getService( 'TitleParser' );
 963         }
 964
 965         /**
 966          * @since 1.32
 967          * @return UploadRevisionImporter
 968          */
 969         public function getUploadRevisionImporter() {
 970                 return $this->getService( 'UploadRevisionImporter' );
 971         }
 972
 973         /**
 974          * @since 1.28
 975          * @return VirtualRESTServiceClient
 976          */
 977         public function getVirtualRESTServiceClient() {
 978                 return $this->getService( 'VirtualRESTServiceClient' );
 979         }
 980
 981         /**
 982          * @since 1.28
 983          * @return WatchedItemQueryService
 984          */
 985         public function getWatchedItemQueryService() {
 986                 return $this->getService( 'WatchedItemQueryService' );
 987         }
 988
 989         /**
 990          * @since 1.28
 991          * @return WatchedItemStoreInterface
 992          */
 993         public function getWatchedItemStore() {
 994                 return $this->getService( 'WatchedItemStore' );
 995         }
 996
 997         /**
 998          * @since 1.31
 999          * @return \OldRevisionImporter
1000          */
1001         public function getWikiRevisionOldRevisionImporter() {
1002                 return $this->getService( 'OldRevisionImporter' );
1003         }
1004
1005         /**
1006          * @since 1.31
1007          * @return \OldRevisionImporter
1008          */
1009         public function getWikiRevisionOldRevisionImporterNoUpdates() {
1010                 return $this->getService( 'WikiRevisionOldRevisionImporterNoUpdates' );
1011         }
1012
1013         /**
1014          * @since 1.31
1015          * @return \UploadRevisionImporter
1016          */
1017         public function getWikiRevisionUploadImporter() {
1018                 return $this->getService( 'UploadRevisionImporter' );
1019         }
1020
1021 }