includes/MediaWikiServices.php

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