includes/MediaWikiServices.php

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