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\Http\HttpRequestFactory;
  17 use MediaWiki\Permissions\PermissionManager;
  18 use MediaWiki\Preferences\PreferencesFactory;
  19 use MediaWiki\Shell\CommandFactory;
  20 use MediaWiki\Revision\RevisionRenderer;
  21 use MediaWiki\Revision\SlotRoleRegistry;
  22 use MediaWiki\Special\SpecialPageFactory;
  23 use MediaWiki\Storage\BlobStore;
  24 use MediaWiki\Storage\BlobStoreFactory;
  25 use MediaWiki\Storage\NameTableStore;
  26 use MediaWiki\Storage\NameTableStoreFactory;
  27 use MediaWiki\Revision\RevisionFactory;
  28 use MediaWiki\Revision\RevisionLookup;
  29 use MediaWiki\Revision\RevisionStore;
  30 use OldRevisionImporter;
  31 use MediaWiki\Revision\RevisionStoreFactory;
  32 use UploadRevisionImporter;
  33 use Wikimedia\Rdbms\LBFactory;
  34 use LinkCache;
  35 use Wikimedia\Rdbms\LoadBalancer;
  36 use MediaHandlerFactory;
  37 use MediaWiki\Config\ConfigRepository;
  38 use MediaWiki\Linker\LinkRenderer;
  39 use MediaWiki\Linker\LinkRendererFactory;
  40 use MWException;
  41 use MimeAnalyzer;
  42 use NamespaceInfo;
  43 use ObjectCache;
  44 use Parser;
  45 use ParserCache;
  46 use ParserFactory;
  47 use PasswordFactory;
  48 use ProxyLookup;
  49 use ResourceLoader;
  50 use SearchEngine;
  51 use SearchEngineConfig;
  52 use SearchEngineFactory;
  53 use SiteLookup;
  54 use SiteStore;
  55 use WatchedItemStoreInterface;
  56 use WatchedItemQueryService;
  57 use SkinFactory;
  58 use TitleFormatter;
  59 use TitleParser;
  60 use VirtualRESTServiceClient;
  61 use Wikimedia\Services\SalvageableService;
  62 use Wikimedia\Services\ServiceContainer;
  63 use Wikimedia\Services\NoSuchServiceException;
  64 use MediaWiki\Interwiki\InterwikiLookup;
  65 use MagicWordFactory;
  66 use MediaWiki\Storage\PageEditStash;
  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 1.33
 522          * @return DateFormatterFactory
 523          */
 524         public function getDateFormatterFactory() {
 525                 return $this->getService( 'DateFormatterFactory' );
 526         }
 527
 528         /**
 529          * @since 1.28
 530          * @return LoadBalancer The main DB load balancer for the local wiki.
 531          */
 532         public function getDBLoadBalancer() {
 533                 return $this->getService( 'DBLoadBalancer' );
 534         }
 535
 536         /**
 537          * @since 1.28
 538          * @return LBFactory
 539          */
 540         public function getDBLoadBalancerFactory() {
 541                 return $this->getService( 'DBLoadBalancerFactory' );
 542         }
 543
 544         /**
 545          * @since 1.27
 546          * @return EventRelayerGroup
 547          */
 548         public function getEventRelayerGroup() {
 549                 return $this->getService( 'EventRelayerGroup' );
 550         }
 551
 552         /**
 553          * @since 1.31
 554          * @return \ExternalStoreFactory
 555          */
 556         public function getExternalStoreFactory() {
 557                 return $this->getService( 'ExternalStoreFactory' );
 558         }
 559
 560         /**
 561          * @since 1.28
 562          * @return GenderCache
 563          */
 564         public function getGenderCache() {
 565                 return $this->getService( 'GenderCache' );
 566         }
 567
 568         /**
 569          * @since 1.31
 570          * @return HttpRequestFactory
 571          */
 572         public function getHttpRequestFactory() {
 573                 return $this->getService( 'HttpRequestFactory' );
 574         }
 575
 576         /**
 577          * @since 1.28
 578          * @return InterwikiLookup
 579          */
 580         public function getInterwikiLookup() {
 581                 return $this->getService( 'InterwikiLookup' );
 582         }
 583
 584         /**
 585          * @since 1.28
 586          * @return LinkCache
 587          */
 588         public function getLinkCache() {
 589                 return $this->getService( 'LinkCache' );
 590         }
 591
 592         /**
 593          * LinkRenderer instance that can be used
 594          * if no custom options are needed
 595          *
 596          * @since 1.28
 597          * @return LinkRenderer
 598          */
 599         public function getLinkRenderer() {
 600                 return $this->getService( 'LinkRenderer' );
 601         }
 602
 603         /**
 604          * @since 1.28
 605          * @return LinkRendererFactory
 606          */
 607         public function getLinkRendererFactory() {
 608                 return $this->getService( 'LinkRendererFactory' );
 609         }
 610
 611         /**
 612          * @since 1.28
 613          * @return \BagOStuff
 614          */
 615         public function getLocalServerObjectCache() {
 616                 return $this->getService( 'LocalServerObjectCache' );
 617         }
 618
 619         /**
 620          * @since 1.32
 621          * @return MagicWordFactory
 622          */
 623         public function getMagicWordFactory() {
 624                 return $this->getService( 'MagicWordFactory' );
 625         }
 626
 627         /**
 628          * Returns the Config object that provides configuration for MediaWiki core.
 629          * This may or may not be the same object that is returned by getBootstrapConfig().
 630          *
 631          * @since 1.27
 632          * @return Config
 633          */
 634         public function getMainConfig() {
 635                 return $this->getService( 'MainConfig' );
 636         }
 637
 638         /**
 639          * @since 1.28
 640          * @return \BagOStuff
 641          */
 642         public function getMainObjectStash() {
 643                 return $this->getService( 'MainObjectStash' );
 644         }
 645
 646         /**
 647          * @since 1.28
 648          * @return \WANObjectCache
 649          */
 650         public function getMainWANObjectCache() {
 651                 return $this->getService( 'MainWANObjectCache' );
 652         }
 653
 654         /**
 655          * @since 1.28
 656          * @return MediaHandlerFactory
 657          */
 658         public function getMediaHandlerFactory() {
 659                 return $this->getService( 'MediaHandlerFactory' );
 660         }
 661
 662         /**
 663          * @since 1.28
 664          * @return MimeAnalyzer
 665          */
 666         public function getMimeAnalyzer() {
 667                 return $this->getService( 'MimeAnalyzer' );
 668         }
 669
 670         /**
 671          * @since 1.34
 672          * @return NamespaceInfo
 673          */
 674         public function getNamespaceInfo() : NamespaceInfo {
 675                 return $this->getService( 'NamespaceInfo' );
 676         }
 677
 678         /**
 679          * @since 1.32
 680          * @return NameTableStoreFactory
 681          */
 682         public function getNameTableStoreFactory() {
 683                 return $this->getService( 'NameTableStoreFactory' );
 684         }
 685
 686         /**
 687          * @since 1.32
 688          * @return OldRevisionImporter
 689          */
 690         public function getOldRevisionImporter() {
 691                 return $this->getService( 'OldRevisionImporter' );
 692         }
 693
 694         /**
 695          * @return PageEditStash
 696          * @since 1.34
 697          */
 698         public function getPageEditStash() {
 699                 return $this->getService( 'PageEditStash' );
 700         }
 701
 702         /**
 703          * @since 1.29
 704          * @return Parser
 705          */
 706         public function getParser() {
 707                 return $this->getService( 'Parser' );
 708         }
 709
 710         /**
 711          * @since 1.30
 712          * @return ParserCache
 713          */
 714         public function getParserCache() {
 715                 return $this->getService( 'ParserCache' );
 716         }
 717
 718         /**
 719          * @since 1.32
 720          * @return ParserFactory
 721          */
 722         public function getParserFactory() {
 723                 return $this->getService( 'ParserFactory' );
 724         }
 725
 726         /**
 727          * @since 1.32
 728          * @return PasswordFactory
 729          */
 730         public function getPasswordFactory() {
 731                 return $this->getService( 'PasswordFactory' );
 732         }
 733
 734         /**
 735          * @since 1.32
 736          * @return StatsdDataFactoryInterface
 737          */
 738         public function getPerDbNameStatsdDataFactory() {
 739                 return $this->getService( 'PerDbNameStatsdDataFactory' );
 740         }
 741
 742         /**
 743          * @since 1.33
 744          * @return PermissionManager
 745          */
 746         public function getPermissionManager() {
 747                 return $this->getService( 'PermissionManager' );
 748         }
 749
 750         /**
 751          * @since 1.31
 752          * @return PreferencesFactory
 753          */
 754         public function getPreferencesFactory() {
 755                 return $this->getService( 'PreferencesFactory' );
 756         }
 757
 758         /**
 759          * @since 1.28
 760          * @return ProxyLookup
 761          */
 762         public function getProxyLookup() {
 763                 return $this->getService( 'ProxyLookup' );
 764         }
 765
 766         /**
 767          * @since 1.29
 768          * @return \ReadOnlyMode
 769          */
 770         public function getReadOnlyMode() {
 771                 return $this->getService( 'ReadOnlyMode' );
 772         }
 773
 774         /**
 775          * @since 1.33
 776          * @return ResourceLoader
 777          */
 778         public function getResourceLoader() {
 779                 return $this->getService( 'ResourceLoader' );
 780         }
 781
 782         /**
 783          * @since 1.31
 784          * @return RevisionFactory
 785          */
 786         public function getRevisionFactory() {
 787                 return $this->getService( 'RevisionFactory' );
 788         }
 789
 790         /**
 791          * @since 1.31
 792          * @return RevisionLookup
 793          */
 794         public function getRevisionLookup() {
 795                 return $this->getService( 'RevisionLookup' );
 796         }
 797
 798         /**
 799          * @since 1.32
 800          * @return RevisionRenderer
 801          */
 802         public function getRevisionRenderer() {
 803                 return $this->getService( 'RevisionRenderer' );
 804         }
 805
 806         /**
 807          * @since 1.31
 808          * @return RevisionStore
 809          */
 810         public function getRevisionStore() {
 811                 return $this->getService( 'RevisionStore' );
 812         }
 813
 814         /**
 815          * @since 1.32
 816          * @return RevisionStoreFactory
 817          */
 818         public function getRevisionStoreFactory() {
 819                 return $this->getService( 'RevisionStoreFactory' );
 820         }
 821
 822         /**
 823          * @since 1.27
 824          * @return SearchEngine
 825          */
 826         public function newSearchEngine() {
 827                 // New engine object every time, since they keep state
 828                 return $this->getService( 'SearchEngineFactory' )->create();
 829         }
 830
 831         /**
 832          * @since 1.27
 833          * @return SearchEngineConfig
 834          */
 835         public function getSearchEngineConfig() {
 836                 return $this->getService( 'SearchEngineConfig' );
 837         }
 838
 839         /**
 840          * @since 1.27
 841          * @return SearchEngineFactory
 842          */
 843         public function getSearchEngineFactory() {
 844                 return $this->getService( 'SearchEngineFactory' );
 845         }
 846
 847         /**
 848          * @since 1.30
 849          * @return CommandFactory
 850          */
 851         public function getShellCommandFactory() {
 852                 return $this->getService( 'ShellCommandFactory' );
 853         }
 854
 855         /**
 856          * @since 1.27
 857          * @return SiteLookup
 858          */
 859         public function getSiteLookup() {
 860                 return $this->getService( 'SiteLookup' );
 861         }
 862
 863         /**
 864          * @since 1.27
 865          * @return SiteStore
 866          */
 867         public function getSiteStore() {
 868                 return $this->getService( 'SiteStore' );
 869         }
 870
 871         /**
 872          * @since 1.27
 873          * @return SkinFactory
 874          */
 875         public function getSkinFactory() {
 876                 return $this->getService( 'SkinFactory' );
 877         }
 878
 879         /**
 880          * @since 1.33
 881          * @return SlotRoleRegistry
 882          */
 883         public function getSlotRoleRegistry() {
 884                 return $this->getService( 'SlotRoleRegistry' );
 885         }
 886
 887         /**
 888          * @since 1.31
 889          * @return NameTableStore
 890          */
 891         public function getSlotRoleStore() {
 892                 return $this->getService( 'NameTableStoreFactory' )->getSlotRoles();
 893         }
 894
 895         /**
 896          * @since 1.32
 897          * @return SpecialPageFactory
 898          */
 899         public function getSpecialPageFactory() : SpecialPageFactory {
 900                 return $this->getService( 'SpecialPageFactory' );
 901         }
 902
 903         /**
 904          * @since 1.27
 905          * @return IBufferingStatsdDataFactory
 906          */
 907         public function getStatsdDataFactory() {
 908                 return $this->getService( 'StatsdDataFactory' );
 909         }
 910
 911         /**
 912          * @since 1.28
 913          * @return TitleFormatter
 914          */
 915         public function getTitleFormatter() {
 916                 return $this->getService( 'TitleFormatter' );
 917         }
 918
 919         /**
 920          * @since 1.28
 921          * @return TitleParser
 922          */
 923         public function getTitleParser() {
 924                 return $this->getService( 'TitleParser' );
 925         }
 926
 927         /**
 928          * @since 1.32
 929          * @return UploadRevisionImporter
 930          */
 931         public function getUploadRevisionImporter() {
 932                 return $this->getService( 'UploadRevisionImporter' );
 933         }
 934
 935         /**
 936          * @since 1.28
 937          * @return VirtualRESTServiceClient
 938          */
 939         public function getVirtualRESTServiceClient() {
 940                 return $this->getService( 'VirtualRESTServiceClient' );
 941         }
 942
 943         /**
 944          * @since 1.28
 945          * @return WatchedItemQueryService
 946          */
 947         public function getWatchedItemQueryService() {
 948                 return $this->getService( 'WatchedItemQueryService' );
 949         }
 950
 951         /**
 952          * @since 1.28
 953          * @return WatchedItemStoreInterface
 954          */
 955         public function getWatchedItemStore() {
 956                 return $this->getService( 'WatchedItemStore' );
 957         }
 958
 959         /**
 960          * @since 1.31
 961          * @return \OldRevisionImporter
 962          */
 963         public function getWikiRevisionOldRevisionImporter() {
 964                 return $this->getService( 'OldRevisionImporter' );
 965         }
 966
 967         /**
 968          * @since 1.31
 969          * @return \OldRevisionImporter
 970          */
 971         public function getWikiRevisionOldRevisionImporterNoUpdates() {
 972                 return $this->getService( 'WikiRevisionOldRevisionImporterNoUpdates' );
 973         }
 974
 975         /**
 976          * @since 1.31
 977          * @return \UploadRevisionImporter
 978          */
 979         public function getWikiRevisionUploadImporter() {
 980                 return $this->getService( 'UploadRevisionImporter' );
 981         }
 982
 983 }