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