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