includes/MediaWikiServices.php

   1 <?php
   2
   3 namespace MediaWiki;
   4
   5 use ActorMigration;
   6 use CommentStore;
   7 use Config;
   8 use ConfigFactory;
   9 use CryptHKDF;
  10 use DateFormatterFactory;
  11 use EventRelayerGroup;
  12 use GenderCache;
  13 use GlobalVarConfig;
  14 use Hooks;
  15 use IBufferingStatsdDataFactory;
  16 use Liuggio\StatsdClient\Factory\StatsdDataFactoryInterface;
  17 use MediaWiki\Block\BlockManager;
  18 use MediaWiki\Block\BlockRestrictionStore;
  19 use MediaWiki\FileBackend\FSFile\TempFSFileFactory;
  20 use MediaWiki\FileBackend\LockManager\LockManagerGroupFactory;
  21 use MediaWiki\Http\HttpRequestFactory;
  22 use PasswordReset;
  23 use Wikimedia\Message\IMessageFormatterFactory;
  24 use MediaWiki\Page\MovePageFactory;
  25 use MediaWiki\Permissions\PermissionManager;
  26 use MediaWiki\Preferences\PreferencesFactory;
  27 use MediaWiki\Revision\RevisionRenderer;
  28 use MediaWiki\Revision\SlotRoleRegistry;
  29 use MediaWiki\Shell\CommandFactory;
  30 use MediaWiki\Special\SpecialPageFactory;
  31 use MediaWiki\Storage\BlobStore;
  32 use MediaWiki\Storage\BlobStoreFactory;
  33 use MediaWiki\Storage\NameTableStore;
  34 use MediaWiki\Storage\NameTableStoreFactory;
  35 use MediaWiki\Revision\RevisionFactory;
  36 use MediaWiki\Revision\RevisionLookup;
  37 use MediaWiki\Revision\RevisionStore;
  38 use OldRevisionImporter;
  39 use MediaWiki\Revision\RevisionStoreFactory;
  40 use UploadRevisionImporter;
  41 use Wikimedia\Rdbms\ILoadBalancer;
  42 use LinkCache;
  43 use MediaHandlerFactory;
  44 use MediaWiki\Config\ConfigRepository;
  45 use MediaWiki\Linker\LinkRenderer;
  46 use MediaWiki\Linker\LinkRendererFactory;
  47 use MWException;
  48 use MessageCache;
  49 use MimeAnalyzer;
  50 use NamespaceInfo;
  51 use ObjectCache;
  52 use Parser;
  53 use ParserCache;
  54 use ParserFactory;
  55 use PasswordFactory;
  56 use ProxyLookup;
  57 use RepoGroup;
  58 use ResourceLoader;
  59 use SearchEngine;
  60 use SearchEngineConfig;
  61 use SearchEngineFactory;
  62 use SiteLookup;
  63 use SiteStore;
  64 use WatchedItemStoreInterface;
  65 use WatchedItemQueryService;
  66 use SkinFactory;
  67 use TitleFormatter;
  68 use TitleParser;
  69 use VirtualRESTServiceClient;
  70 use Wikimedia\ObjectFactory;
  71 use Wikimedia\Rdbms\LBFactory;
  72 use Wikimedia\Services\SalvageableService;
  73 use Wikimedia\Services\ServiceContainer;
  74 use Wikimedia\Services\NoSuchServiceException;
  75 use MediaWiki\Interwiki\InterwikiLookup;
  76 use MagicWordFactory;
  77 use MediaWiki\Storage\PageEditStash;
  78
  79 /**
  80  * Service locator for MediaWiki core services.
  81  *
  82  * This program is free software; you can redistribute it and/or modify
  83  * it under the terms of the GNU General Public License as published by
  84  * the Free Software Foundation; either version 2 of the License, or
  85  * (at your option) any later version.
  86  *
  87  * This program is distributed in the hope that it will be useful,
  88  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  89  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  90  * GNU General Public License for more details.
  91  *
  92  * You should have received a copy of the GNU General Public License along
  93  * with this program; if not, write to the Free Software Foundation, Inc.,
  94  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  95  * http://www.gnu.org/copyleft/gpl.html
  96  *
  97  * @file
  98  *
  99  * @since 1.27
 100  */
 101
 102 /**
 103  * MediaWikiServices is the service locator for the application scope of MediaWiki.
 104  * Its implemented as a simple configurable DI container.
 105  * MediaWikiServices acts as a top level factory/registry for top level services, and builds
 106  * the network of service objects that defines MediaWiki's application logic.
 107  * It acts as an entry point to MediaWiki's dependency injection mechanism.
 108  *
 109  * Services are defined in the "wiring" array passed to the constructor,
 110  * or by calling defineService().
 111  *
 112  * @see docs/injection.txt for an overview of using dependency injection in the
 113  *      MediaWiki code base.
 114  */
 115 class MediaWikiServices extends ServiceContainer {
 116
 117         /**
 118          * @var MediaWikiServices|null
 119          */
 120         private static $instance = null;
 121
 122         /**
 123          * Returns the global default instance of the top level service locator.
 124          *
 125          * @since 1.27
 126          *
 127          * The default instance is initialized using the service instantiator functions
 128          * defined in ServiceWiring.php.
 129          *
 130          * @note This should only be called by static functions! The instance returned here
 131          * should not be passed around! Objects that need access to a service should have
 132          * that service injected into the constructor, never a service locator!
 133          *
 134          * @return MediaWikiServices
 135          */
 136         public static function getInstance() {
 137                 if ( self::$instance === null ) {
 138                         // NOTE: constructing GlobalVarConfig here is not particularly pretty,
 139                         // but some information from the global scope has to be injected here,
 140                         // even if it's just a file name or database credentials to load
 141                         // configuration from.
 142                         $bootstrapConfig = new GlobalVarConfig();
 143                         self::$instance = self::newInstance( $bootstrapConfig, 'load' );
 144                 }
 145
 146                 return self::$instance;
 147         }
 148
 149         /**
 150          * Replaces the global MediaWikiServices instance.
 151          *
 152          * @since 1.28
 153          *
 154          * @note This is for use in PHPUnit tests only!
 155          *
 156          * @throws MWException if called outside of PHPUnit tests.
 157          *
 158          * @param MediaWikiServices $services The new MediaWikiServices object.
 159          *
 160          * @return MediaWikiServices The old MediaWikiServices object, so it can be restored later.
 161          */
 162         public static function forceGlobalInstance( MediaWikiServices $services ) {
 163                 if ( !defined( 'MW_PHPUNIT_TEST' ) ) {
 164                         throw new MWException( __METHOD__ . ' must not be used outside unit tests.' );
 165                 }
 166
 167                 $old = self::getInstance();
 168                 self::$instance = $services;
 169
 170                 return $old;
 171         }
 172
 173         /**
 174          * Creates a new instance of MediaWikiServices and sets it as the global default
 175          * instance. getInstance() will return a different MediaWikiServices object
 176          * after every call to resetGlobalInstance().
 177          *
 178          * @since 1.28
 179          *
 180          * @warning This should not be used during normal operation. It is intended for use
 181          * when the configuration has changed significantly since bootstrap time, e.g.
 182          * during the installation process or during testing.
 183          *
 184          * @warning Calling resetGlobalInstance() may leave the application in an inconsistent
 185          * state. Calling this is only safe under the ASSUMPTION that NO REFERENCE to
 186          * any of the services managed by MediaWikiServices exist. If any service objects
 187          * managed by the old MediaWikiServices instance remain in use, they may INTERFERE
 188          * with the operation of the services managed by the new MediaWikiServices.
 189          * Operating with a mix of services created by the old and the new
 190          * MediaWikiServices instance may lead to INCONSISTENCIES and even DATA LOSS!
 191          * Any class implementing LAZY LOADING is especially prone to this problem,
 192          * since instances would typically retain a reference to a storage layer service.
 193          *
 194          * @see forceGlobalInstance()
 195          * @see resetGlobalInstance()
 196          * @see resetBetweenTest()
 197          *
 198          * @param Config|null $bootstrapConfig The Config object to be registered as the
 199          *        'BootstrapConfig' service. This has to contain at least the information
 200          *        needed to set up the 'ConfigFactory' service. If not given, the bootstrap
 201          *        config of the old instance of MediaWikiServices will be re-used. If there
 202          *        was no previous instance, a new GlobalVarConfig object will be used to
 203          *        bootstrap the services.
 204          *
 205          * @param string $quick Set this to "quick" to allow expensive resources to be re-used.
 206          * See SalvageableService for details.
 207          *
 208          * @throws MWException If called after MW_SERVICE_BOOTSTRAP_COMPLETE has been defined in
 209          *         Setup.php (unless MW_PHPUNIT_TEST or MEDIAWIKI_INSTALL or RUN_MAINTENANCE_IF_MAIN
 210          *          is defined).
 211          */
 212         public static function resetGlobalInstance( Config $bootstrapConfig = null, $quick = '' ) {
 213                 if ( self::$instance === null ) {
 214                         // no global instance yet, nothing to reset
 215                         return;
 216                 }
 217
 218                 self::failIfResetNotAllowed( __METHOD__ );
 219
 220                 if ( $bootstrapConfig === null ) {
 221                         $bootstrapConfig = self::$instance->getBootstrapConfig();
 222                 }
 223
 224                 $oldInstance = self::$instance;
 225
 226                 self::$instance = self::newInstance( $bootstrapConfig, 'load' );
 227                 self::$instance->importWiring( $oldInstance, [ 'BootstrapConfig' ] );
 228
 229                 if ( $quick === 'quick' ) {
 230                         self::$instance->salvage( $oldInstance );
 231                 } else {
 232                         $oldInstance->destroy();
 233                 }
 234         }
 235
 236         /** @noinspection PhpDocSignatureInspection */
 237
 238         /**
 239          * Salvages the state of any salvageable service instances in $other.
 240          *
 241          * @note $other will have been destroyed when salvage() returns.
 242          *
 243          * @param MediaWikiServices $other
 244          */
 245         private function salvage( self $other ) {
 246                 foreach ( $this->getServiceNames() as $name ) {
 247                         // The service could be new in the new instance and not registered in the
 248                         // other instance (e.g. an extension that was loaded after the instantiation of
 249                         // the other instance. Skip this service in this case. See T143974
 250                         try {
 251                                 $oldService = $other->peekService( $name );
 252                         } catch ( NoSuchServiceException $e ) {
 253                                 continue;
 254                         }
 255
 256                         if ( $oldService instanceof SalvageableService ) {
 257                                 /** @var SalvageableService $newService */
 258                                 $newService = $this->getService( $name );
 259                                 $newService->salvage( $oldService );
 260                         }
 261                 }
 262
 263                 $other->destroy();
 264         }
 265
 266         /**
 267          * Creates a new MediaWikiServices instance and initializes it according to the
 268          * given $bootstrapConfig. In particular, all wiring files defined in the
 269          * ServiceWiringFiles setting are loaded, and the MediaWikiServices hook is called.
 270          *
 271          * @param Config|null $bootstrapConfig The Config object to be registered as the
 272          *        'BootstrapConfig' service.
 273          *
 274          * @param string $loadWiring set this to 'load' to load the wiring files specified
 275          *        in the 'ServiceWiringFiles' setting in $bootstrapConfig.
 276          *
 277          * @return MediaWikiServices
 278          * @throws MWException
 279          * @throws \FatalError
 280          */
 281         private static function newInstance( Config $bootstrapConfig, $loadWiring = '' ) {
 282                 $instance = new self( $bootstrapConfig );
 283
 284                 // Load the default wiring from the specified files.
 285                 if ( $loadWiring === 'load' ) {
 286                         $wiringFiles = $bootstrapConfig->get( 'ServiceWiringFiles' );
 287                         $instance->loadWiringFiles( $wiringFiles );
 288                 }
 289
 290                 // Provide a traditional hook point to allow extensions to configure services.
 291                 Hooks::run( 'MediaWikiServices', [ $instance ] );
 292
 293                 return $instance;
 294         }
 295
 296         /**
 297          * Disables all storage layer services. After calling this, any attempt to access the
 298          * storage layer will result in an error. Use resetGlobalInstance() to restore normal
 299          * operation.
 300          *
 301          * @since 1.28
 302          *
 303          * @warning This is intended for extreme situations only and should never be used
 304          * while serving normal web requests. Legitimate use cases for this method include
 305          * the installation process. Test fixtures may also use this, if the fixture relies
 306          * on globalState.
 307          *
 308          * @see resetGlobalInstance()
 309          * @see resetChildProcessServices()
 310          */
 311         public static function disableStorageBackend() {
 312                 // TODO: also disable some Caches, JobQueues, etc
 313                 $destroy = [ 'DBLoadBalancer', 'DBLoadBalancerFactory' ];
 314                 $services = self::getInstance();
 315
 316                 foreach ( $destroy as $name ) {
 317                         $services->disableService( $name );
 318                 }
 319
 320                 ObjectCache::clear();
 321         }
 322
 323         /**
 324          * Resets any services that may have become stale after a child process
 325          * returns from after pcntl_fork(). It's also safe, but generally unnecessary,
 326          * to call this method from the parent process.
 327          *
 328          * @since 1.28
 329          *
 330          * @note This is intended for use in the context of process forking only!
 331          *
 332          * @see resetGlobalInstance()
 333          * @see disableStorageBackend()
 334          */
 335         public static function resetChildProcessServices() {
 336                 // NOTE: for now, just reset everything. Since we don't know the interdependencies
 337                 // between services, we can't do this more selectively at this time.
 338                 self::resetGlobalInstance();
 339
 340                 // Child, reseed because there is no bug in PHP:
 341                 // https://bugs.php.net/bug.php?id=42465
 342                 mt_srand( getmypid() );
 343         }
 344
 345         /**
 346          * Resets the given service for testing purposes.
 347          *
 348          * @since 1.28
 349          *
 350          * @warning This is generally unsafe! Other services may still retain references
 351          * to the stale service instance, leading to failures and inconsistencies. Subclasses
 352          * may use this method to reset specific services under specific instances, but
 353          * it should not be exposed to application logic.
 354          *
 355          * @note With proper dependency injection used throughout the codebase, this method
 356          * should not be needed. It is provided to allow tests that pollute global service
 357          * instances to clean up.
 358          *
 359          * @param string $name
 360          * @param bool $destroy Whether the service instance should be destroyed if it exists.
 361          *        When set to false, any existing service instance will effectively be detached
 362          *        from the container.
 363          *
 364          * @throws MWException if called outside of PHPUnit tests.
 365          */
 366         public function resetServiceForTesting( $name, $destroy = true ) {
 367                 if ( !defined( 'MW_PHPUNIT_TEST' ) && !defined( 'MW_PARSER_TEST' ) ) {
 368                         throw new MWException( 'resetServiceForTesting() must not be used outside unit tests.' );
 369                 }
 370
 371                 $this->resetService( $name, $destroy );
 372         }
 373
 374         /**
 375          * Convenience method that throws an exception unless it is called during a phase in which
 376          * resetting of global services is allowed. In general, services should not be reset
 377          * individually, since that may introduce inconsistencies.
 378          *
 379          * @since 1.28
 380          *
 381          * This method will throw an exception if:
 382          *
 383          * - self::$resetInProgress is false (to allow all services to be reset together
 384          *   via resetGlobalInstance)
 385          * - and MEDIAWIKI_INSTALL is not defined (to allow services to be reset during installation)
 386          * - and MW_PHPUNIT_TEST is not defined (to allow services to be reset during testing)
 387          *
 388          * This method is intended to be used to safeguard against accidentally resetting
 389          * global service instances that are not yet managed by MediaWikiServices. It is
 390          * defined here in the MediaWikiServices services class to have a central place
 391          * for managing service bootstrapping and resetting.
 392          *
 393          * @param string $method the name of the caller method, as given by __METHOD__.
 394          *
 395          * @throws MWException if called outside bootstrap mode.
 396          *
 397          * @see resetGlobalInstance()
 398          * @see forceGlobalInstance()
 399          * @see disableStorageBackend()
 400          */
 401         public static function failIfResetNotAllowed( $method ) {
 402                 if ( !defined( 'MW_PHPUNIT_TEST' )
 403                         && !defined( 'MW_PARSER_TEST' )
 404                         && !defined( 'MEDIAWIKI_INSTALL' )
 405                         && !defined( 'RUN_MAINTENANCE_IF_MAIN' )
 406                         && defined( 'MW_SERVICE_BOOTSTRAP_COMPLETE' )
 407                 ) {
 408                         throw new MWException( $method . ' may only be called during bootstrapping and unit tests!' );
 409                 }
 410         }
 411
 412         /**
 413          * @param Config $config The Config object to be registered as the 'BootstrapConfig' service.
 414          *        This has to contain at least the information needed to set up the 'ConfigFactory'
 415          *        service.
 416          */
 417         public function __construct( Config $config ) {
 418                 parent::__construct();
 419
 420                 // Register the given Config object as the bootstrap config service.
 421                 $this->defineService( 'BootstrapConfig', function () use ( $config ) {
 422                         return $config;
 423                 } );
 424         }
 425
 426         // CONVENIENCE GETTERS ////////////////////////////////////////////////////
 427
 428         /**
 429          * @since 1.31
 430          * @return ActorMigration
 431          */
 432         public function getActorMigration() {
 433                 return $this->getService( 'ActorMigration' );
 434         }
 435
 436         /**
 437          * @since 1.34
 438          * @return BadFileLookup
 439          */
 440         public function getBadFileLookup() : BadFileLookup {
 441                 return $this->getService( 'BadFileLookup' );
 442         }
 443
 444         /**
 445          * @since 1.31
 446          * @return BlobStore
 447          */
 448         public function getBlobStore() {
 449                 return $this->getService( '_SqlBlobStore' );
 450         }
 451
 452         /**
 453          * @since 1.31
 454          * @return BlobStoreFactory
 455          */
 456         public function getBlobStoreFactory() {
 457                 return $this->getService( 'BlobStoreFactory' );
 458         }
 459
 460         /**
 461          * @since 1.34
 462          * @return BlockManager
 463          */
 464         public function getBlockManager() : BlockManager {
 465                 return $this->getService( 'BlockManager' );
 466         }
 467
 468         /**
 469          * @since 1.33
 470          * @return BlockRestrictionStore
 471          */
 472         public function getBlockRestrictionStore() : BlockRestrictionStore {
 473                 return $this->getService( 'BlockRestrictionStore' );
 474         }
 475
 476         /**
 477          * Returns the Config object containing the bootstrap configuration.
 478          * Bootstrap configuration would typically include database credentials
 479          * and other information that may be needed before the ConfigFactory
 480          * service can be instantiated.
 481          *
 482          * @note This should only be used during bootstrapping, in particular
 483          * when creating the MainConfig service. Application logic should
 484          * use getMainConfig() to get a Config instances.
 485          *
 486          * @since 1.27
 487          * @return Config
 488          */
 489         public function getBootstrapConfig() {
 490                 return $this->getService( 'BootstrapConfig' );
 491         }
 492
 493         /**
 494          * @since 1.32
 495          * @return NameTableStore
 496          */
 497         public function getChangeTagDefStore() {
 498                 return $this->getService( 'NameTableStoreFactory' )->getChangeTagDef();
 499         }
 500
 501         /**
 502          * @since 1.31
 503          * @return CommentStore
 504          */
 505         public function getCommentStore() {
 506                 return $this->getService( 'CommentStore' );
 507         }
 508
 509         /**
 510          * @since 1.27
 511          * @return ConfigFactory
 512          */
 513         public function getConfigFactory() {
 514                 return $this->getService( 'ConfigFactory' );
 515         }
 516
 517         /**
 518          * @since 1.32
 519          * @return ConfigRepository
 520          */
 521         public function getConfigRepository() {
 522                 return $this->getService( 'ConfigRepository' );
 523         }
 524
 525         /**
 526          * @since 1.29
 527          * @return \ConfiguredReadOnlyMode
 528          */
 529         public function getConfiguredReadOnlyMode() {
 530                 return $this->getService( 'ConfiguredReadOnlyMode' );
 531         }
 532
 533         /**
 534          * @since 1.32
 535          * @return \Language
 536          */
 537         public function getContentLanguage() {
 538                 return $this->getService( 'ContentLanguage' );
 539         }
 540
 541         /**
 542          * @since 1.31
 543          * @return NameTableStore
 544          */
 545         public function getContentModelStore() {
 546                 return $this->getService( 'NameTableStoreFactory' )->getContentModels();
 547         }
 548
 549         /**
 550          * @since 1.28
 551          * @return CryptHKDF
 552          */
 553         public function getCryptHKDF() {
 554                 return $this->getService( 'CryptHKDF' );
 555         }
 556
 557         /**
 558          * @since 1.33
 559          * @return DateFormatterFactory
 560          */
 561         public function getDateFormatterFactory() {
 562                 return $this->getService( 'DateFormatterFactory' );
 563         }
 564
 565         /**
 566          * @since 1.28
 567          * @return ILoadBalancer The main DB load balancer for the local wiki.
 568          */
 569         public function getDBLoadBalancer() {
 570                 return $this->getService( 'DBLoadBalancer' );
 571         }
 572
 573         /**
 574          * @since 1.28
 575          * @return LBFactory
 576          */
 577         public function getDBLoadBalancerFactory() {
 578                 return $this->getService( 'DBLoadBalancerFactory' );
 579         }
 580
 581         /**
 582          * @since 1.27
 583          * @return EventRelayerGroup
 584          */
 585         public function getEventRelayerGroup() {
 586                 return $this->getService( 'EventRelayerGroup' );
 587         }
 588
 589         /**
 590          * @since 1.34
 591          * @return \ExternalStoreAccess
 592          */
 593         public function getExternalStoreAccess() {
 594                 return $this->getService( 'ExternalStoreAccess' );
 595         }
 596
 597         /**
 598          * @since 1.31
 599          * @return \ExternalStoreFactory
 600          */
 601         public function getExternalStoreFactory() {
 602                 return $this->getService( 'ExternalStoreFactory' );
 603         }
 604
 605         /**
 606          * @since 1.28
 607          * @return GenderCache
 608          */
 609         public function getGenderCache() {
 610                 return $this->getService( 'GenderCache' );
 611         }
 612
 613         /**
 614          * @since 1.31
 615          * @return HttpRequestFactory
 616          */
 617         public function getHttpRequestFactory() {
 618                 return $this->getService( 'HttpRequestFactory' );
 619         }
 620
 621         /**
 622          * @since 1.28
 623          * @return InterwikiLookup
 624          */
 625         public function getInterwikiLookup() {
 626                 return $this->getService( 'InterwikiLookup' );
 627         }
 628
 629         /**
 630          * @since 1.28
 631          * @return LinkCache
 632          */
 633         public function getLinkCache() {
 634                 return $this->getService( 'LinkCache' );
 635         }
 636
 637         /**
 638          * LinkRenderer instance that can be used
 639          * if no custom options are needed
 640          *
 641          * @since 1.28
 642          * @return LinkRenderer
 643          */
 644         public function getLinkRenderer() {
 645                 return $this->getService( 'LinkRenderer' );
 646         }
 647
 648         /**
 649          * @since 1.28
 650          * @return LinkRendererFactory
 651          */
 652         public function getLinkRendererFactory() {
 653                 return $this->getService( 'LinkRendererFactory' );
 654         }
 655
 656         /**
 657          * @since 1.28
 658          * @return \BagOStuff
 659          */
 660         public function getLocalServerObjectCache() {
 661                 return $this->getService( 'LocalServerObjectCache' );
 662         }
 663
 664         /**
 665          * @since 1.34
 666          * @return LockManagerGroupFactory
 667          */
 668         public function getLockManagerGroupFactory() : LockManagerGroupFactory {
 669                 return $this->getService( 'LockManagerGroupFactory' );
 670         }
 671
 672         /**
 673          * @since 1.32
 674          * @return MagicWordFactory
 675          */
 676         public function getMagicWordFactory() {
 677                 return $this->getService( 'MagicWordFactory' );
 678         }
 679
 680         /**
 681          * Returns the Config object that provides configuration for MediaWiki core.
 682          * This may or may not be the same object that is returned by getBootstrapConfig().
 683          *
 684          * @since 1.27
 685          * @return Config
 686          */
 687         public function getMainConfig() {
 688                 return $this->getService( 'MainConfig' );
 689         }
 690
 691         /**
 692          * @since 1.28
 693          * @return \BagOStuff
 694          */
 695         public function getMainObjectStash() {
 696                 return $this->getService( 'MainObjectStash' );
 697         }
 698
 699         /**
 700          * @since 1.28
 701          * @return \WANObjectCache
 702          */
 703         public function getMainWANObjectCache() {
 704                 return $this->getService( 'MainWANObjectCache' );
 705         }
 706
 707         /**
 708          * @since 1.28
 709          * @return MediaHandlerFactory
 710          */
 711         public function getMediaHandlerFactory() {
 712                 return $this->getService( 'MediaHandlerFactory' );
 713         }
 714
 715         /**
 716          * @since 1.34
 717          * @return MessageCache
 718          */
 719         public function getMessageCache() : MessageCache {
 720                 return $this->getService( 'MessageCache' );
 721         }
 722
 723         /**
 724          * @since 1.34
 725          * @return IMessageFormatterFactory
 726          */
 727         public function getMessageFormatterFactory() {
 728                 return $this->getService( 'MessageFormatterFactory' );
 729         }
 730
 731         /**
 732          * @since 1.28
 733          * @return MimeAnalyzer
 734          */
 735         public function getMimeAnalyzer() {
 736                 return $this->getService( 'MimeAnalyzer' );
 737         }
 738
 739         /**
 740          * @since 1.34
 741          * @return MovePageFactory
 742          */
 743         public function getMovePageFactory() : MovePageFactory {
 744                 return $this->getService( 'MovePageFactory' );
 745         }
 746
 747         /**
 748          * @since 1.34
 749          * @return NamespaceInfo
 750          */
 751         public function getNamespaceInfo() : NamespaceInfo {
 752                 return $this->getService( 'NamespaceInfo' );
 753         }
 754
 755         /**
 756          * @since 1.32
 757          * @return NameTableStoreFactory
 758          */
 759         public function getNameTableStoreFactory() {
 760                 return $this->getService( 'NameTableStoreFactory' );
 761         }
 762
 763         /**
 764          * ObjectFactory is intended for instantiating "handlers" from declarative definitions,
 765          * such as Action API modules, special pages, or REST API handlers.
 766          *
 767          * @since 1.34
 768          * @return ObjectFactory
 769          */
 770         public function getObjectFactory() {
 771                 return $this->getService( 'ObjectFactory' );
 772         }
 773
 774         /**
 775          * @since 1.32
 776          * @return OldRevisionImporter
 777          */
 778         public function getOldRevisionImporter() {
 779                 return $this->getService( 'OldRevisionImporter' );
 780         }
 781
 782         /**
 783          * @return PageEditStash
 784          * @since 1.34
 785          */
 786         public function getPageEditStash() {
 787                 return $this->getService( 'PageEditStash' );
 788         }
 789
 790         /**
 791          * @since 1.29
 792          * @return Parser
 793          */
 794         public function getParser() {
 795                 return $this->getService( 'Parser' );
 796         }
 797
 798         /**
 799          * @since 1.30
 800          * @return ParserCache
 801          */
 802         public function getParserCache() {
 803                 return $this->getService( 'ParserCache' );
 804         }
 805
 806         /**
 807          * @since 1.32
 808          * @return ParserFactory
 809          */
 810         public function getParserFactory() {
 811                 return $this->getService( 'ParserFactory' );
 812         }
 813
 814         /**
 815          * @since 1.32
 816          * @return PasswordFactory
 817          */
 818         public function getPasswordFactory() {
 819                 return $this->getService( 'PasswordFactory' );
 820         }
 821
 822         /**
 823          * @since 1.34
 824          * @return PasswordReset
 825          */
 826         public function getPasswordReset() : PasswordReset {
 827                 return $this->getService( 'PasswordReset' );
 828         }
 829
 830         /**
 831          * @since 1.32
 832          * @return StatsdDataFactoryInterface
 833          */
 834         public function getPerDbNameStatsdDataFactory() {
 835                 return $this->getService( 'PerDbNameStatsdDataFactory' );
 836         }
 837
 838         /**
 839          * @since 1.33
 840          * @return PermissionManager
 841          */
 842         public function getPermissionManager() {
 843                 return $this->getService( 'PermissionManager' );
 844         }
 845
 846         /**
 847          * @since 1.31
 848          * @return PreferencesFactory
 849          */
 850         public function getPreferencesFactory() {
 851                 return $this->getService( 'PreferencesFactory' );
 852         }
 853
 854         /**
 855          * @since 1.28
 856          * @return ProxyLookup
 857          */
 858         public function getProxyLookup() {
 859                 return $this->getService( 'ProxyLookup' );
 860         }
 861
 862         /**
 863          * @since 1.29
 864          * @return \ReadOnlyMode
 865          */
 866         public function getReadOnlyMode() {
 867                 return $this->getService( 'ReadOnlyMode' );
 868         }
 869
 870         /**
 871          * @since 1.34
 872          * @return RepoGroup
 873          */
 874         public function getRepoGroup() : RepoGroup {
 875                 return $this->getService( 'RepoGroup' );
 876         }
 877
 878         /**
 879          * @since 1.33
 880          * @return ResourceLoader
 881          */
 882         public function getResourceLoader() {
 883                 return $this->getService( 'ResourceLoader' );
 884         }
 885
 886         /**
 887          * @since 1.31
 888          * @return RevisionFactory
 889          */
 890         public function getRevisionFactory() {
 891                 return $this->getService( 'RevisionFactory' );
 892         }
 893
 894         /**
 895          * @since 1.31
 896          * @return RevisionLookup
 897          */
 898         public function getRevisionLookup() {
 899                 return $this->getService( 'RevisionLookup' );
 900         }
 901
 902         /**
 903          * @since 1.32
 904          * @return RevisionRenderer
 905          */
 906         public function getRevisionRenderer() {
 907                 return $this->getService( 'RevisionRenderer' );
 908         }
 909
 910         /**
 911          * @since 1.31
 912          * @return RevisionStore
 913          */
 914         public function getRevisionStore() {
 915                 return $this->getService( 'RevisionStore' );
 916         }
 917
 918         /**
 919          * @since 1.32
 920          * @return RevisionStoreFactory
 921          */
 922         public function getRevisionStoreFactory() {
 923                 return $this->getService( 'RevisionStoreFactory' );
 924         }
 925
 926         /**
 927          * @since 1.27
 928          * @return SearchEngine
 929          */
 930         public function newSearchEngine() {
 931                 // New engine object every time, since they keep state
 932                 return $this->getService( 'SearchEngineFactory' )->create();
 933         }
 934
 935         /**
 936          * @since 1.27
 937          * @return SearchEngineConfig
 938          */
 939         public function getSearchEngineConfig() {
 940                 return $this->getService( 'SearchEngineConfig' );
 941         }
 942
 943         /**
 944          * @since 1.27
 945          * @return SearchEngineFactory
 946          */
 947         public function getSearchEngineFactory() {
 948                 return $this->getService( 'SearchEngineFactory' );
 949         }
 950
 951         /**
 952          * @since 1.30
 953          * @return CommandFactory
 954          */
 955         public function getShellCommandFactory() {
 956                 return $this->getService( 'ShellCommandFactory' );
 957         }
 958
 959         /**
 960          * @since 1.27
 961          * @return SiteLookup
 962          */
 963         public function getSiteLookup() {
 964                 return $this->getService( 'SiteLookup' );
 965         }
 966
 967         /**
 968          * @since 1.27
 969          * @return SiteStore
 970          */
 971         public function getSiteStore() {
 972                 return $this->getService( 'SiteStore' );
 973         }
 974
 975         /**
 976          * @since 1.27
 977          * @return SkinFactory
 978          */
 979         public function getSkinFactory() {
 980                 return $this->getService( 'SkinFactory' );
 981         }
 982
 983         /**
 984          * @since 1.33
 985          * @return SlotRoleRegistry
 986          */
 987         public function getSlotRoleRegistry() {
 988                 return $this->getService( 'SlotRoleRegistry' );
 989         }
 990
 991         /**
 992          * @since 1.31
 993          * @return NameTableStore
 994          */
 995         public function getSlotRoleStore() {
 996                 return $this->getService( 'NameTableStoreFactory' )->getSlotRoles();
 997         }
 998
 999         /**
1000          * @since 1.32
1001          * @return SpecialPageFactory
1002          */
1003         public function getSpecialPageFactory() : SpecialPageFactory {
1004                 return $this->getService( 'SpecialPageFactory' );
1005         }
1006
1007         /**
1008          * @since 1.27
1009          * @return IBufferingStatsdDataFactory
1010          */
1011         public function getStatsdDataFactory() {
1012                 return $this->getService( 'StatsdDataFactory' );
1013         }
1014
1015         /**
1016          * @since 1.34
1017          * @return TempFSFileFactory
1018          */
1019         public function getTempFSFileFactory() : TempFSFileFactory {
1020                 return $this->getService( 'TempFSFileFactory' );
1021         }
1022
1023         /**
1024          * @since 1.28
1025          * @return TitleFormatter
1026          */
1027         public function getTitleFormatter() {
1028                 return $this->getService( 'TitleFormatter' );
1029         }
1030
1031         /**
1032          * @since 1.28
1033          * @return TitleParser
1034          */
1035         public function getTitleParser() {
1036                 return $this->getService( 'TitleParser' );
1037         }
1038
1039         /**
1040          * @since 1.32
1041          * @return UploadRevisionImporter
1042          */
1043         public function getUploadRevisionImporter() {
1044                 return $this->getService( 'UploadRevisionImporter' );
1045         }
1046
1047         /**
1048          * @since 1.28
1049          * @return VirtualRESTServiceClient
1050          */
1051         public function getVirtualRESTServiceClient() {
1052                 return $this->getService( 'VirtualRESTServiceClient' );
1053         }
1054
1055         /**
1056          * @since 1.28
1057          * @return WatchedItemQueryService
1058          */
1059         public function getWatchedItemQueryService() {
1060                 return $this->getService( 'WatchedItemQueryService' );
1061         }
1062
1063         /**
1064          * @since 1.28
1065          * @return WatchedItemStoreInterface
1066          */
1067         public function getWatchedItemStore() {
1068                 return $this->getService( 'WatchedItemStore' );
1069         }
1070
1071         /**
1072          * @since 1.31
1073          * @return \OldRevisionImporter
1074          */
1075         public function getWikiRevisionOldRevisionImporter() {
1076                 return $this->getService( 'OldRevisionImporter' );
1077         }
1078
1079         /**
1080          * @since 1.31
1081          * @return \OldRevisionImporter
1082          */
1083         public function getWikiRevisionOldRevisionImporterNoUpdates() {
1084                 return $this->getService( 'WikiRevisionOldRevisionImporterNoUpdates' );
1085         }
1086
1087         /**
1088          * @since 1.31
1089          * @return \UploadRevisionImporter
1090          */
1091         public function getWikiRevisionUploadImporter() {
1092                 return $this->getService( 'UploadRevisionImporter' );
1093         }
1094
1095 }