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 MessageCache;
  44 use MimeAnalyzer;
  45 use NamespaceInfo;
  46 use ObjectCache;
  47 use Parser;
  48 use ParserCache;
  49 use ParserFactory;
  50 use PasswordFactory;
  51 use ProxyLookup;
  52 use RepoGroup;
  53 use ResourceLoader;
  54 use SearchEngine;
  55 use SearchEngineConfig;
  56 use SearchEngineFactory;
  57 use SiteLookup;
  58 use SiteStore;
  59 use WatchedItemStoreInterface;
  60 use WatchedItemQueryService;
  61 use SkinFactory;
  62 use TitleFormatter;
  63 use TitleParser;
  64 use VirtualRESTServiceClient;
  65 use Wikimedia\Rdbms\LBFactory;
  66 use Wikimedia\Services\SalvageableService;
  67 use Wikimedia\Services\ServiceContainer;
  68 use Wikimedia\Services\NoSuchServiceException;
  69 use MediaWiki\Interwiki\InterwikiLookup;
  70 use MagicWordFactory;
  71 use MediaWiki\Storage\PageEditStash;
  72
  73 /**
  74  * Service locator for MediaWiki core services.
  75  *
  76  * This program is free software; you can redistribute it and/or modify
  77  * it under the terms of the GNU General Public License as published by
  78  * the Free Software Foundation; either version 2 of the License, or
  79  * (at your option) any later version.
  80  *
  81  * This program is distributed in the hope that it will be useful,
  82  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  83  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  84  * GNU General Public License for more details.
  85  *
  86  * You should have received a copy of the GNU General Public License along
  87  * with this program; if not, write to the Free Software Foundation, Inc.,
  88  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  89  * http://www.gnu.org/copyleft/gpl.html
  90  *
  91  * @file
  92  *
  93  * @since 1.27
  94  */
  95
  96 /**
  97  * MediaWikiServices is the service locator for the application scope of MediaWiki.
  98  * Its implemented as a simple configurable DI container.
  99  * MediaWikiServices acts as a top level factory/registry for top level services, and builds
 100  * the network of service objects that defines MediaWiki's application logic.
 101  * It acts as an entry point to MediaWiki's dependency injection mechanism.
 102  *
 103  * Services are defined in the "wiring" array passed to the constructor,
 104  * or by calling defineService().
 105  *
 106  * @see docs/injection.txt for an overview of using dependency injection in the
 107  *      MediaWiki code base.
 108  */
 109 class MediaWikiServices extends ServiceContainer {
 110
 111         /**
 112          * @var MediaWikiServices|null
 113          */
 114         private static $instance = null;
 115
 116         /**
 117          * Returns the global default instance of the top level service locator.
 118          *
 119          * @since 1.27
 120          *
 121          * The default instance is initialized using the service instantiator functions
 122          * defined in ServiceWiring.php.
 123          *
 124          * @note This should only be called by static functions! The instance returned here
 125          * should not be passed around! Objects that need access to a service should have
 126          * that service injected into the constructor, never a service locator!
 127          *
 128          * @return MediaWikiServices
 129          */
 130         public static function getInstance() {
 131                 if ( self::$instance === null ) {
 132                         // NOTE: constructing GlobalVarConfig here is not particularly pretty,
 133                         // but some information from the global scope has to be injected here,
 134                         // even if it's just a file name or database credentials to load
 135                         // configuration from.
 136                         $bootstrapConfig = new GlobalVarConfig();
 137                         self::$instance = self::newInstance( $bootstrapConfig, 'load' );
 138                 }
 139
 140                 return self::$instance;
 141         }
 142
 143         /**
 144          * Replaces the global MediaWikiServices instance.
 145          *
 146          * @since 1.28
 147          *
 148          * @note This is for use in PHPUnit tests only!
 149          *
 150          * @throws MWException if called outside of PHPUnit tests.
 151          *
 152          * @param MediaWikiServices $services The new MediaWikiServices object.
 153          *
 154          * @return MediaWikiServices The old MediaWikiServices object, so it can be restored later.
 155          */
 156         public static function forceGlobalInstance( MediaWikiServices $services ) {
 157                 if ( !defined( 'MW_PHPUNIT_TEST' ) ) {
 158                         throw new MWException( __METHOD__ . ' must not be used outside unit tests.' );
 159                 }
 160
 161                 $old = self::getInstance();
 162                 self::$instance = $services;
 163
 164                 return $old;
 165         }
 166
 167         /**
 168          * Creates a new instance of MediaWikiServices and sets it as the global default
 169          * instance. getInstance() will return a different MediaWikiServices object
 170          * after every call to resetGlobalInstance().
 171          *
 172          * @since 1.28
 173          *
 174          * @warning This should not be used during normal operation. It is intended for use
 175          * when the configuration has changed significantly since bootstrap time, e.g.
 176          * during the installation process or during testing.
 177          *
 178          * @warning Calling resetGlobalInstance() may leave the application in an inconsistent
 179          * state. Calling this is only safe under the ASSUMPTION that NO REFERENCE to
 180          * any of the services managed by MediaWikiServices exist. If any service objects
 181          * managed by the old MediaWikiServices instance remain in use, they may INTERFERE
 182          * with the operation of the services managed by the new MediaWikiServices.
 183          * Operating with a mix of services created by the old and the new
 184          * MediaWikiServices instance may lead to INCONSISTENCIES and even DATA LOSS!
 185          * Any class implementing LAZY LOADING is especially prone to this problem,
 186          * since instances would typically retain a reference to a storage layer service.
 187          *
 188          * @see forceGlobalInstance()
 189          * @see resetGlobalInstance()
 190          * @see resetBetweenTest()
 191          *
 192          * @param Config|null $bootstrapConfig The Config object to be registered as the
 193          *        'BootstrapConfig' service. This has to contain at least the information
 194          *        needed to set up the 'ConfigFactory' service. If not given, the bootstrap
 195          *        config of the old instance of MediaWikiServices will be re-used. If there
 196          *        was no previous instance, a new GlobalVarConfig object will be used to
 197          *        bootstrap the services.
 198          *
 199          * @param string $quick Set this to "quick" to allow expensive resources to be re-used.
 200          * See SalvageableService for details.
 201          *
 202          * @throws MWException If called after MW_SERVICE_BOOTSTRAP_COMPLETE has been defined in
 203          *         Setup.php (unless MW_PHPUNIT_TEST or MEDIAWIKI_INSTALL or RUN_MAINTENANCE_IF_MAIN
 204          *          is defined).
 205          */
 206         public static function resetGlobalInstance( Config $bootstrapConfig = null, $quick = '' ) {
 207                 if ( self::$instance === null ) {
 208                         // no global instance yet, nothing to reset
 209                         return;
 210                 }
 211
 212                 self::failIfResetNotAllowed( __METHOD__ );
 213
 214                 if ( $bootstrapConfig === null ) {
 215                         $bootstrapConfig = self::$instance->getBootstrapConfig();
 216                 }
 217
 218                 $oldInstance = self::$instance;
 219
 220                 self::$instance = self::newInstance( $bootstrapConfig, 'load' );
 221                 self::$instance->importWiring( $oldInstance, [ 'BootstrapConfig' ] );
 222
 223                 if ( $quick === 'quick' ) {
 224                         self::$instance->salvage( $oldInstance );
 225                 } else {
 226                         $oldInstance->destroy();
 227                 }
 228         }
 229
 230         /** @noinspection PhpDocSignatureInspection */
 231
 232         /**
 233          * Salvages the state of any salvageable service instances in $other.
 234          *
 235          * @note $other will have been destroyed when salvage() returns.
 236          *
 237          * @param MediaWikiServices $other
 238          */
 239         private function salvage( self $other ) {
 240                 foreach ( $this->getServiceNames() as $name ) {
 241                         // The service could be new in the new instance and not registered in the
 242                         // other instance (e.g. an extension that was loaded after the instantiation of
 243                         // the other instance. Skip this service in this case. See T143974
 244                         try {
 245                                 $oldService = $other->peekService( $name );
 246                         } catch ( NoSuchServiceException $e ) {
 247                                 continue;
 248                         }
 249
 250                         if ( $oldService instanceof SalvageableService ) {
 251                                 /** @var SalvageableService $newService */
 252                                 $newService = $this->getService( $name );
 253                                 $newService->salvage( $oldService );
 254                         }
 255                 }
 256
 257                 $other->destroy();
 258         }
 259
 260         /**
 261          * Creates a new MediaWikiServices instance and initializes it according to the
 262          * given $bootstrapConfig. In particular, all wiring files defined in the
 263          * ServiceWiringFiles setting are loaded, and the MediaWikiServices hook is called.
 264          *
 265          * @param Config|null $bootstrapConfig The Config object to be registered as the
 266          *        'BootstrapConfig' service.
 267          *
 268          * @param string $loadWiring set this to 'load' to load the wiring files specified
 269          *        in the 'ServiceWiringFiles' setting in $bootstrapConfig.
 270          *
 271          * @return MediaWikiServices
 272          * @throws MWException
 273          * @throws \FatalError
 274          */
 275         private static function newInstance( Config $bootstrapConfig, $loadWiring = '' ) {
 276                 $instance = new self( $bootstrapConfig );
 277
 278                 // Load the default wiring from the specified files.
 279                 if ( $loadWiring === 'load' ) {
 280                         $wiringFiles = $bootstrapConfig->get( 'ServiceWiringFiles' );
 281                         $instance->loadWiringFiles( $wiringFiles );
 282                 }
 283
 284                 // Provide a traditional hook point to allow extensions to configure services.
 285                 Hooks::run( 'MediaWikiServices', [ $instance ] );
 286
 287                 return $instance;
 288         }
 289
 290         /**
 291          * Disables all storage layer services. After calling this, any attempt to access the
 292          * storage layer will result in an error. Use resetGlobalInstance() to restore normal
 293          * operation.
 294          *
 295          * @since 1.28
 296          *
 297          * @warning This is intended for extreme situations only and should never be used
 298          * while serving normal web requests. Legitimate use cases for this method include
 299          * the installation process. Test fixtures may also use this, if the fixture relies
 300          * on globalState.
 301          *
 302          * @see resetGlobalInstance()
 303          * @see resetChildProcessServices()
 304          */
 305         public static function disableStorageBackend() {
 306                 // TODO: also disable some Caches, JobQueues, etc
 307                 $destroy = [ 'DBLoadBalancer', 'DBLoadBalancerFactory' ];
 308                 $services = self::getInstance();
 309
 310                 foreach ( $destroy as $name ) {
 311                         $services->disableService( $name );
 312                 }
 313
 314                 ObjectCache::clear();
 315         }
 316
 317         /**
 318          * Resets any services that may have become stale after a child process
 319          * returns from after pcntl_fork(). It's also safe, but generally unnecessary,
 320          * to call this method from the parent process.
 321          *
 322          * @since 1.28
 323          *
 324          * @note This is intended for use in the context of process forking only!
 325          *
 326          * @see resetGlobalInstance()
 327          * @see disableStorageBackend()
 328          */
 329         public static function resetChildProcessServices() {
 330                 // NOTE: for now, just reset everything. Since we don't know the interdependencies
 331                 // between services, we can't do this more selectively at this time.
 332                 self::resetGlobalInstance();
 333
 334                 // Child, reseed because there is no bug in PHP:
 335                 // https://bugs.php.net/bug.php?id=42465
 336                 mt_srand( getmypid() );
 337         }
 338
 339         /**
 340          * Resets the given service for testing purposes.
 341          *
 342          * @since 1.28
 343          *
 344          * @warning This is generally unsafe! Other services may still retain references
 345          * to the stale service instance, leading to failures and inconsistencies. Subclasses
 346          * may use this method to reset specific services under specific instances, but
 347          * it should not be exposed to application logic.
 348          *
 349          * @note With proper dependency injection used throughout the codebase, this method
 350          * should not be needed. It is provided to allow tests that pollute global service
 351          * instances to clean up.
 352          *
 353          * @param string $name
 354          * @param bool $destroy Whether the service instance should be destroyed if it exists.
 355          *        When set to false, any existing service instance will effectively be detached
 356          *        from the container.
 357          *
 358          * @throws MWException if called outside of PHPUnit tests.
 359          */
 360         public function resetServiceForTesting( $name, $destroy = true ) {
 361                 if ( !defined( 'MW_PHPUNIT_TEST' ) && !defined( 'MW_PARSER_TEST' ) ) {
 362                         throw new MWException( 'resetServiceForTesting() must not be used outside unit tests.' );
 363                 }
 364
 365                 $this->resetService( $name, $destroy );
 366         }
 367
 368         /**
 369          * Convenience method that throws an exception unless it is called during a phase in which
 370          * resetting of global services is allowed. In general, services should not be reset
 371          * individually, since that may introduce inconsistencies.
 372          *
 373          * @since 1.28
 374          *
 375          * This method will throw an exception if:
 376          *
 377          * - self::$resetInProgress is false (to allow all services to be reset together
 378          *   via resetGlobalInstance)
 379          * - and MEDIAWIKI_INSTALL is not defined (to allow services to be reset during installation)
 380          * - and MW_PHPUNIT_TEST is not defined (to allow services to be reset during testing)
 381          *
 382          * This method is intended to be used to safeguard against accidentally resetting
 383          * global service instances that are not yet managed by MediaWikiServices. It is
 384          * defined here in the MediaWikiServices services class to have a central place
 385          * for managing service bootstrapping and resetting.
 386          *
 387          * @param string $method the name of the caller method, as given by __METHOD__.
 388          *
 389          * @throws MWException if called outside bootstrap mode.
 390          *
 391          * @see resetGlobalInstance()
 392          * @see forceGlobalInstance()
 393          * @see disableStorageBackend()
 394          */
 395         public static function failIfResetNotAllowed( $method ) {
 396                 if ( !defined( 'MW_PHPUNIT_TEST' )
 397                         && !defined( 'MW_PARSER_TEST' )
 398                         && !defined( 'MEDIAWIKI_INSTALL' )
 399                         && !defined( 'RUN_MAINTENANCE_IF_MAIN' )
 400                         && defined( 'MW_SERVICE_BOOTSTRAP_COMPLETE' )
 401                 ) {
 402                         throw new MWException( $method . ' may only be called during bootstrapping and unit tests!' );
 403                 }
 404         }
 405
 406         /**
 407          * @param Config $config The Config object to be registered as the 'BootstrapConfig' service.
 408          *        This has to contain at least the information needed to set up the 'ConfigFactory'
 409          *        service.
 410          */
 411         public function __construct( Config $config ) {
 412                 parent::__construct();
 413
 414                 // Register the given Config object as the bootstrap config service.
 415                 $this->defineService( 'BootstrapConfig', function () use ( $config ) {
 416                         return $config;
 417                 } );
 418         }
 419
 420         // CONVENIENCE GETTERS ////////////////////////////////////////////////////
 421
 422         /**
 423          * @since 1.31
 424          * @return ActorMigration
 425          */
 426         public function getActorMigration() {
 427                 return $this->getService( 'ActorMigration' );
 428         }
 429
 430         /**
 431          * @since 1.31
 432          * @return BlobStore
 433          */
 434         public function getBlobStore() {
 435                 return $this->getService( '_SqlBlobStore' );
 436         }
 437
 438         /**
 439          * @since 1.31
 440          * @return BlobStoreFactory
 441          */
 442         public function getBlobStoreFactory() {
 443                 return $this->getService( 'BlobStoreFactory' );
 444         }
 445
 446         /**
 447          * @since 1.34
 448          * @return BlockManager
 449          */
 450         public function getBlockManager() : BlockManager {
 451                 return $this->getService( 'BlockManager' );
 452         }
 453
 454         /**
 455          * @since 1.33
 456          * @return BlockRestrictionStore
 457          */
 458         public function getBlockRestrictionStore() : BlockRestrictionStore {
 459                 return $this->getService( 'BlockRestrictionStore' );
 460         }
 461
 462         /**
 463          * Returns the Config object containing the bootstrap configuration.
 464          * Bootstrap configuration would typically include database credentials
 465          * and other information that may be needed before the ConfigFactory
 466          * service can be instantiated.
 467          *
 468          * @note This should only be used during bootstrapping, in particular
 469          * when creating the MainConfig service. Application logic should
 470          * use getMainConfig() to get a Config instances.
 471          *
 472          * @since 1.27
 473          * @return Config
 474          */
 475         public function getBootstrapConfig() {
 476                 return $this->getService( 'BootstrapConfig' );
 477         }
 478
 479         /**
 480          * @since 1.32
 481          * @return NameTableStore
 482          */
 483         public function getChangeTagDefStore() {
 484                 return $this->getService( 'NameTableStoreFactory' )->getChangeTagDef();
 485         }
 486
 487         /**
 488          * @since 1.31
 489          * @return CommentStore
 490          */
 491         public function getCommentStore() {
 492                 return $this->getService( 'CommentStore' );
 493         }
 494
 495         /**
 496          * @since 1.27
 497          * @return ConfigFactory
 498          */
 499         public function getConfigFactory() {
 500                 return $this->getService( 'ConfigFactory' );
 501         }
 502
 503         /**
 504          * @since 1.32
 505          * @return ConfigRepository
 506          */
 507         public function getConfigRepository() {
 508                 return $this->getService( 'ConfigRepository' );
 509         }
 510
 511         /**
 512          * @since 1.29
 513          * @return \ConfiguredReadOnlyMode
 514          */
 515         public function getConfiguredReadOnlyMode() {
 516                 return $this->getService( 'ConfiguredReadOnlyMode' );
 517         }
 518
 519         /**
 520          * @since 1.32
 521          * @return \Language
 522          */
 523         public function getContentLanguage() {
 524                 return $this->getService( 'ContentLanguage' );
 525         }
 526
 527         /**
 528          * @since 1.31
 529          * @return NameTableStore
 530          */
 531         public function getContentModelStore() {
 532                 return $this->getService( 'NameTableStoreFactory' )->getContentModels();
 533         }
 534
 535         /**
 536          * @since 1.28
 537          * @return CryptHKDF
 538          */
 539         public function getCryptHKDF() {
 540                 return $this->getService( 'CryptHKDF' );
 541         }
 542
 543         /**
 544          * @since 1.33
 545          * @return DateFormatterFactory
 546          */
 547         public function getDateFormatterFactory() {
 548                 return $this->getService( 'DateFormatterFactory' );
 549         }
 550
 551         /**
 552          * @since 1.28
 553          * @return ILoadBalancer The main DB load balancer for the local wiki.
 554          */
 555         public function getDBLoadBalancer() {
 556                 return $this->getService( 'DBLoadBalancer' );
 557         }
 558
 559         /**
 560          * @since 1.28
 561          * @return LBFactory
 562          */
 563         public function getDBLoadBalancerFactory() {
 564                 return $this->getService( 'DBLoadBalancerFactory' );
 565         }
 566
 567         /**
 568          * @since 1.27
 569          * @return EventRelayerGroup
 570          */
 571         public function getEventRelayerGroup() {
 572                 return $this->getService( 'EventRelayerGroup' );
 573         }
 574
 575         /**
 576          * @since 1.34
 577          * @return \ExternalStoreAccess
 578          */
 579         public function getExternalStoreAccess() {
 580                 return $this->getService( 'ExternalStoreAccess' );
 581         }
 582
 583         /**
 584          * @since 1.31
 585          * @return \ExternalStoreFactory
 586          */
 587         public function getExternalStoreFactory() {
 588                 return $this->getService( 'ExternalStoreFactory' );
 589         }
 590
 591         /**
 592          * @since 1.28
 593          * @return GenderCache
 594          */
 595         public function getGenderCache() {
 596                 return $this->getService( 'GenderCache' );
 597         }
 598
 599         /**
 600          * @since 1.31
 601          * @return HttpRequestFactory
 602          */
 603         public function getHttpRequestFactory() {
 604                 return $this->getService( 'HttpRequestFactory' );
 605         }
 606
 607         /**
 608          * @since 1.28
 609          * @return InterwikiLookup
 610          */
 611         public function getInterwikiLookup() {
 612                 return $this->getService( 'InterwikiLookup' );
 613         }
 614
 615         /**
 616          * @since 1.28
 617          * @return LinkCache
 618          */
 619         public function getLinkCache() {
 620                 return $this->getService( 'LinkCache' );
 621         }
 622
 623         /**
 624          * LinkRenderer instance that can be used
 625          * if no custom options are needed
 626          *
 627          * @since 1.28
 628          * @return LinkRenderer
 629          */
 630         public function getLinkRenderer() {
 631                 return $this->getService( 'LinkRenderer' );
 632         }
 633
 634         /**
 635          * @since 1.28
 636          * @return LinkRendererFactory
 637          */
 638         public function getLinkRendererFactory() {
 639                 return $this->getService( 'LinkRendererFactory' );
 640         }
 641
 642         /**
 643          * @since 1.28
 644          * @return \BagOStuff
 645          */
 646         public function getLocalServerObjectCache() {
 647                 return $this->getService( 'LocalServerObjectCache' );
 648         }
 649
 650         /**
 651          * @since 1.32
 652          * @return MagicWordFactory
 653          */
 654         public function getMagicWordFactory() {
 655                 return $this->getService( 'MagicWordFactory' );
 656         }
 657
 658         /**
 659          * Returns the Config object that provides configuration for MediaWiki core.
 660          * This may or may not be the same object that is returned by getBootstrapConfig().
 661          *
 662          * @since 1.27
 663          * @return Config
 664          */
 665         public function getMainConfig() {
 666                 return $this->getService( 'MainConfig' );
 667         }
 668
 669         /**
 670          * @since 1.28
 671          * @return \BagOStuff
 672          */
 673         public function getMainObjectStash() {
 674                 return $this->getService( 'MainObjectStash' );
 675         }
 676
 677         /**
 678          * @since 1.28
 679          * @return \WANObjectCache
 680          */
 681         public function getMainWANObjectCache() {
 682                 return $this->getService( 'MainWANObjectCache' );
 683         }
 684
 685         /**
 686          * @since 1.28
 687          * @return MediaHandlerFactory
 688          */
 689         public function getMediaHandlerFactory() {
 690                 return $this->getService( 'MediaHandlerFactory' );
 691         }
 692
 693         /**
 694          * @since 1.34
 695          * @return MessageCache
 696          */
 697         public function getMessageCache() : MessageCache {
 698                 return $this->getService( 'MessageCache' );
 699         }
 700
 701         /**
 702          * @since 1.28
 703          * @return MimeAnalyzer
 704          */
 705         public function getMimeAnalyzer() {
 706                 return $this->getService( 'MimeAnalyzer' );
 707         }
 708
 709         /**
 710          * @since 1.34
 711          * @return NamespaceInfo
 712          */
 713         public function getNamespaceInfo() : NamespaceInfo {
 714                 return $this->getService( 'NamespaceInfo' );
 715         }
 716
 717         /**
 718          * @since 1.32
 719          * @return NameTableStoreFactory
 720          */
 721         public function getNameTableStoreFactory() {
 722                 return $this->getService( 'NameTableStoreFactory' );
 723         }
 724
 725         /**
 726          * @since 1.32
 727          * @return OldRevisionImporter
 728          */
 729         public function getOldRevisionImporter() {
 730                 return $this->getService( 'OldRevisionImporter' );
 731         }
 732
 733         /**
 734          * @return PageEditStash
 735          * @since 1.34
 736          */
 737         public function getPageEditStash() {
 738                 return $this->getService( 'PageEditStash' );
 739         }
 740
 741         /**
 742          * @since 1.29
 743          * @return Parser
 744          */
 745         public function getParser() {
 746                 return $this->getService( 'Parser' );
 747         }
 748
 749         /**
 750          * @since 1.30
 751          * @return ParserCache
 752          */
 753         public function getParserCache() {
 754                 return $this->getService( 'ParserCache' );
 755         }
 756
 757         /**
 758          * @since 1.32
 759          * @return ParserFactory
 760          */
 761         public function getParserFactory() {
 762                 return $this->getService( 'ParserFactory' );
 763         }
 764
 765         /**
 766          * @since 1.32
 767          * @return PasswordFactory
 768          */
 769         public function getPasswordFactory() {
 770                 return $this->getService( 'PasswordFactory' );
 771         }
 772
 773         /**
 774          * @since 1.32
 775          * @return StatsdDataFactoryInterface
 776          */
 777         public function getPerDbNameStatsdDataFactory() {
 778                 return $this->getService( 'PerDbNameStatsdDataFactory' );
 779         }
 780
 781         /**
 782          * @since 1.33
 783          * @return PermissionManager
 784          */
 785         public function getPermissionManager() {
 786                 return $this->getService( 'PermissionManager' );
 787         }
 788
 789         /**
 790          * @since 1.31
 791          * @return PreferencesFactory
 792          */
 793         public function getPreferencesFactory() {
 794                 return $this->getService( 'PreferencesFactory' );
 795         }
 796
 797         /**
 798          * @since 1.28
 799          * @return ProxyLookup
 800          */
 801         public function getProxyLookup() {
 802                 return $this->getService( 'ProxyLookup' );
 803         }
 804
 805         /**
 806          * @since 1.29
 807          * @return \ReadOnlyMode
 808          */
 809         public function getReadOnlyMode() {
 810                 return $this->getService( 'ReadOnlyMode' );
 811         }
 812
 813         /**
 814          * @since 1.34
 815          * @return RepoGroup
 816          */
 817         public function getRepoGroup() : RepoGroup {
 818                 return $this->getService( 'RepoGroup' );
 819         }
 820
 821         /**
 822          * @since 1.33
 823          * @return ResourceLoader
 824          */
 825         public function getResourceLoader() {
 826                 return $this->getService( 'ResourceLoader' );
 827         }
 828
 829         /**
 830          * @since 1.31
 831          * @return RevisionFactory
 832          */
 833         public function getRevisionFactory() {
 834                 return $this->getService( 'RevisionFactory' );
 835         }
 836
 837         /**
 838          * @since 1.31
 839          * @return RevisionLookup
 840          */
 841         public function getRevisionLookup() {
 842                 return $this->getService( 'RevisionLookup' );
 843         }
 844
 845         /**
 846          * @since 1.32
 847          * @return RevisionRenderer
 848          */
 849         public function getRevisionRenderer() {
 850                 return $this->getService( 'RevisionRenderer' );
 851         }
 852
 853         /**
 854          * @since 1.31
 855          * @return RevisionStore
 856          */
 857         public function getRevisionStore() {
 858                 return $this->getService( 'RevisionStore' );
 859         }
 860
 861         /**
 862          * @since 1.32
 863          * @return RevisionStoreFactory
 864          */
 865         public function getRevisionStoreFactory() {
 866                 return $this->getService( 'RevisionStoreFactory' );
 867         }
 868
 869         /**
 870          * @since 1.27
 871          * @return SearchEngine
 872          */
 873         public function newSearchEngine() {
 874                 // New engine object every time, since they keep state
 875                 return $this->getService( 'SearchEngineFactory' )->create();
 876         }
 877
 878         /**
 879          * @since 1.27
 880          * @return SearchEngineConfig
 881          */
 882         public function getSearchEngineConfig() {
 883                 return $this->getService( 'SearchEngineConfig' );
 884         }
 885
 886         /**
 887          * @since 1.27
 888          * @return SearchEngineFactory
 889          */
 890         public function getSearchEngineFactory() {
 891                 return $this->getService( 'SearchEngineFactory' );
 892         }
 893
 894         /**
 895          * @since 1.30
 896          * @return CommandFactory
 897          */
 898         public function getShellCommandFactory() {
 899                 return $this->getService( 'ShellCommandFactory' );
 900         }
 901
 902         /**
 903          * @since 1.27
 904          * @return SiteLookup
 905          */
 906         public function getSiteLookup() {
 907                 return $this->getService( 'SiteLookup' );
 908         }
 909
 910         /**
 911          * @since 1.27
 912          * @return SiteStore
 913          */
 914         public function getSiteStore() {
 915                 return $this->getService( 'SiteStore' );
 916         }
 917
 918         /**
 919          * @since 1.27
 920          * @return SkinFactory
 921          */
 922         public function getSkinFactory() {
 923                 return $this->getService( 'SkinFactory' );
 924         }
 925
 926         /**
 927          * @since 1.33
 928          * @return SlotRoleRegistry
 929          */
 930         public function getSlotRoleRegistry() {
 931                 return $this->getService( 'SlotRoleRegistry' );
 932         }
 933
 934         /**
 935          * @since 1.31
 936          * @return NameTableStore
 937          */
 938         public function getSlotRoleStore() {
 939                 return $this->getService( 'NameTableStoreFactory' )->getSlotRoles();
 940         }
 941
 942         /**
 943          * @since 1.32
 944          * @return SpecialPageFactory
 945          */
 946         public function getSpecialPageFactory() : SpecialPageFactory {
 947                 return $this->getService( 'SpecialPageFactory' );
 948         }
 949
 950         /**
 951          * @since 1.27
 952          * @return IBufferingStatsdDataFactory
 953          */
 954         public function getStatsdDataFactory() {
 955                 return $this->getService( 'StatsdDataFactory' );
 956         }
 957
 958         /**
 959          * @since 1.28
 960          * @return TitleFormatter
 961          */
 962         public function getTitleFormatter() {
 963                 return $this->getService( 'TitleFormatter' );
 964         }
 965
 966         /**
 967          * @since 1.28
 968          * @return TitleParser
 969          */
 970         public function getTitleParser() {
 971                 return $this->getService( 'TitleParser' );
 972         }
 973
 974         /**
 975          * @since 1.32
 976          * @return UploadRevisionImporter
 977          */
 978         public function getUploadRevisionImporter() {
 979                 return $this->getService( 'UploadRevisionImporter' );
 980         }
 981
 982         /**
 983          * @since 1.28
 984          * @return VirtualRESTServiceClient
 985          */
 986         public function getVirtualRESTServiceClient() {
 987                 return $this->getService( 'VirtualRESTServiceClient' );
 988         }
 989
 990         /**
 991          * @since 1.28
 992          * @return WatchedItemQueryService
 993          */
 994         public function getWatchedItemQueryService() {
 995                 return $this->getService( 'WatchedItemQueryService' );
 996         }
 997
 998         /**
 999          * @since 1.28
1000          * @return WatchedItemStoreInterface
1001          */
1002         public function getWatchedItemStore() {
1003                 return $this->getService( 'WatchedItemStore' );
1004         }
1005
1006         /**
1007          * @since 1.31
1008          * @return \OldRevisionImporter
1009          */
1010         public function getWikiRevisionOldRevisionImporter() {
1011                 return $this->getService( 'OldRevisionImporter' );
1012         }
1013
1014         /**
1015          * @since 1.31
1016          * @return \OldRevisionImporter
1017          */
1018         public function getWikiRevisionOldRevisionImporterNoUpdates() {
1019                 return $this->getService( 'WikiRevisionOldRevisionImporterNoUpdates' );
1020         }
1021
1022         /**
1023          * @since 1.31
1024          * @return \UploadRevisionImporter
1025          */
1026         public function getWikiRevisionUploadImporter() {
1027                 return $this->getService( 'UploadRevisionImporter' );
1028         }
1029
1030 }