includes/MediaWikiServices.php

   1 <?php
   2 namespace MediaWiki;
   3
   4 use ActorMigration;
   5 use CommentStore;
   6 use Config;
   7 use ConfigFactory;
   8 use CryptHKDF;
   9 use DateFormatterFactory;
  10 use EventRelayerGroup;
  11 use GenderCache;
  12 use GlobalVarConfig;
  13 use Hooks;
  14 use IBufferingStatsdDataFactory;
  15 use Liuggio\StatsdClient\Factory\StatsdDataFactoryInterface;
  16 use MediaWiki\Http\HttpRequestFactory;
  17 use MediaWiki\Permissions\PermissionManager;
  18 use MediaWiki\Preferences\PreferencesFactory;
  19 use MediaWiki\Shell\CommandFactory;
  20 use MediaWiki\Revision\RevisionRenderer;
  21 use MediaWiki\Revision\SlotRoleRegistry;
  22 use MediaWiki\Special\SpecialPageFactory;
  23 use MediaWiki\Storage\BlobStore;
  24 use MediaWiki\Storage\BlobStoreFactory;
  25 use MediaWiki\Storage\NameTableStore;
  26 use MediaWiki\Storage\NameTableStoreFactory;
  27 use MediaWiki\Revision\RevisionFactory;
  28 use MediaWiki\Revision\RevisionLookup;
  29 use MediaWiki\Revision\RevisionStore;
  30 use OldRevisionImporter;
  31 use MediaWiki\Revision\RevisionStoreFactory;
  32 use UploadRevisionImporter;
  33 use Wikimedia\Rdbms\LBFactory;
  34 use LinkCache;
  35 use Wikimedia\Rdbms\LoadBalancer;
  36 use MediaHandlerFactory;
  37 use MediaWiki\Config\ConfigRepository;
  38 use MediaWiki\Linker\LinkRenderer;
  39 use MediaWiki\Linker\LinkRendererFactory;
  40 use MWException;
  41 use MimeAnalyzer;
  42 use NamespaceInfo;
  43 use ObjectCache;
  44 use Parser;
  45 use ParserCache;
  46 use ParserFactory;
  47 use PasswordFactory;
  48 use ProxyLookup;
  49 use ResourceLoader;
  50 use SearchEngine;
  51 use SearchEngineConfig;
  52 use SearchEngineFactory;
  53 use SiteLookup;
  54 use SiteStore;
  55 use WatchedItemStoreInterface;
  56 use WatchedItemQueryService;
  57 use SkinFactory;
  58 use TitleFormatter;
  59 use TitleParser;
  60 use VirtualRESTServiceClient;
  61 use Wikimedia\Services\SalvageableService;
  62 use Wikimedia\Services\ServiceContainer;
  63 use Wikimedia\Services\NoSuchServiceException;
  64 use MediaWiki\Interwiki\InterwikiLookup;
  65 use MagicWordFactory;
  66
  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 1.33
 521          * @return DateFormatterFactory
 522          */
 523         public function getDateFormatterFactory() {
 524                 return $this->getService( 'DateFormatterFactory' );
 525         }
 526
 527         /**
 528          * @since 1.28
 529          * @return LoadBalancer The main DB load balancer for the local wiki.
 530          */
 531         public function getDBLoadBalancer() {
 532                 return $this->getService( 'DBLoadBalancer' );
 533         }
 534
 535         /**
 536          * @since 1.28
 537          * @return LBFactory
 538          */
 539         public function getDBLoadBalancerFactory() {
 540                 return $this->getService( 'DBLoadBalancerFactory' );
 541         }
 542
 543         /**
 544          * @since 1.27
 545          * @return EventRelayerGroup
 546          */
 547         public function getEventRelayerGroup() {
 548                 return $this->getService( 'EventRelayerGroup' );
 549         }
 550
 551         /**
 552          * @since 1.31
 553          * @return \ExternalStoreFactory
 554          */
 555         public function getExternalStoreFactory() {
 556                 return $this->getService( 'ExternalStoreFactory' );
 557         }
 558
 559         /**
 560          * @since 1.28
 561          * @return GenderCache
 562          */
 563         public function getGenderCache() {
 564                 return $this->getService( 'GenderCache' );
 565         }
 566
 567         /**
 568          * @since 1.31
 569          * @return HttpRequestFactory
 570          */
 571         public function getHttpRequestFactory() {
 572                 return $this->getService( 'HttpRequestFactory' );
 573         }
 574
 575         /**
 576          * @since 1.28
 577          * @return InterwikiLookup
 578          */
 579         public function getInterwikiLookup() {
 580                 return $this->getService( 'InterwikiLookup' );
 581         }
 582
 583         /**
 584          * @since 1.28
 585          * @return LinkCache
 586          */
 587         public function getLinkCache() {
 588                 return $this->getService( 'LinkCache' );
 589         }
 590
 591         /**
 592          * LinkRenderer instance that can be used
 593          * if no custom options are needed
 594          *
 595          * @since 1.28
 596          * @return LinkRenderer
 597          */
 598         public function getLinkRenderer() {
 599                 return $this->getService( 'LinkRenderer' );
 600         }
 601
 602         /**
 603          * @since 1.28
 604          * @return LinkRendererFactory
 605          */
 606         public function getLinkRendererFactory() {
 607                 return $this->getService( 'LinkRendererFactory' );
 608         }
 609
 610         /**
 611          * @since 1.28
 612          * @return \BagOStuff
 613          */
 614         public function getLocalServerObjectCache() {
 615                 return $this->getService( 'LocalServerObjectCache' );
 616         }
 617
 618         /**
 619          * @since 1.32
 620          * @return MagicWordFactory
 621          */
 622         public function getMagicWordFactory() {
 623                 return $this->getService( 'MagicWordFactory' );
 624         }
 625
 626         /**
 627          * Returns the Config object that provides configuration for MediaWiki core.
 628          * This may or may not be the same object that is returned by getBootstrapConfig().
 629          *
 630          * @since 1.27
 631          * @return Config
 632          */
 633         public function getMainConfig() {
 634                 return $this->getService( 'MainConfig' );
 635         }
 636
 637         /**
 638          * @since 1.28
 639          * @return \BagOStuff
 640          */
 641         public function getMainObjectStash() {
 642                 return $this->getService( 'MainObjectStash' );
 643         }
 644
 645         /**
 646          * @since 1.28
 647          * @return \WANObjectCache
 648          */
 649         public function getMainWANObjectCache() {
 650                 return $this->getService( 'MainWANObjectCache' );
 651         }
 652
 653         /**
 654          * @since 1.28
 655          * @return MediaHandlerFactory
 656          */
 657         public function getMediaHandlerFactory() {
 658                 return $this->getService( 'MediaHandlerFactory' );
 659         }
 660
 661         /**
 662          * @since 1.28
 663          * @return MimeAnalyzer
 664          */
 665         public function getMimeAnalyzer() {
 666                 return $this->getService( 'MimeAnalyzer' );
 667         }
 668
 669         /**
 670          * @since 1.33
 671          * @return NamespaceInfo
 672          */
 673         public function getNamespaceInfo() : NamespaceInfo {
 674                 return $this->getService( 'NamespaceInfo' );
 675         }
 676
 677         /**
 678          * @since 1.32
 679          * @return NameTableStoreFactory
 680          */
 681         public function getNameTableStoreFactory() {
 682                 return $this->getService( 'NameTableStoreFactory' );
 683         }
 684
 685         /**
 686          * @since 1.32
 687          * @return OldRevisionImporter
 688          */
 689         public function getOldRevisionImporter() {
 690                 return $this->getService( 'OldRevisionImporter' );
 691         }
 692
 693         /**
 694          * @since 1.29
 695          * @return Parser
 696          */
 697         public function getParser() {
 698                 return $this->getService( 'Parser' );
 699         }
 700
 701         /**
 702          * @since 1.30
 703          * @return ParserCache
 704          */
 705         public function getParserCache() {
 706                 return $this->getService( 'ParserCache' );
 707         }
 708
 709         /**
 710          * @since 1.32
 711          * @return ParserFactory
 712          */
 713         public function getParserFactory() {
 714                 return $this->getService( 'ParserFactory' );
 715         }
 716
 717         /**
 718          * @since 1.32
 719          * @return PasswordFactory
 720          */
 721         public function getPasswordFactory() {
 722                 return $this->getService( 'PasswordFactory' );
 723         }
 724
 725         /**
 726          * @since 1.32
 727          * @return StatsdDataFactoryInterface
 728          */
 729         public function getPerDbNameStatsdDataFactory() {
 730                 return $this->getService( 'PerDbNameStatsdDataFactory' );
 731         }
 732
 733         /**
 734          * @since 1.33
 735          * @return PermissionManager
 736          */
 737         public function getPermissionManager() {
 738                 return $this->getService( 'PermissionManager' );
 739         }
 740
 741         /**
 742          * @since 1.31
 743          * @return PreferencesFactory
 744          */
 745         public function getPreferencesFactory() {
 746                 return $this->getService( 'PreferencesFactory' );
 747         }
 748
 749         /**
 750          * @since 1.28
 751          * @return ProxyLookup
 752          */
 753         public function getProxyLookup() {
 754                 return $this->getService( 'ProxyLookup' );
 755         }
 756
 757         /**
 758          * @since 1.29
 759          * @return \ReadOnlyMode
 760          */
 761         public function getReadOnlyMode() {
 762                 return $this->getService( 'ReadOnlyMode' );
 763         }
 764
 765         /**
 766          * @since 1.33
 767          * @return ResourceLoader
 768          */
 769         public function getResourceLoader() {
 770                 return $this->getService( 'ResourceLoader' );
 771         }
 772
 773         /**
 774          * @since 1.31
 775          * @return RevisionFactory
 776          */
 777         public function getRevisionFactory() {
 778                 return $this->getService( 'RevisionFactory' );
 779         }
 780
 781         /**
 782          * @since 1.31
 783          * @return RevisionLookup
 784          */
 785         public function getRevisionLookup() {
 786                 return $this->getService( 'RevisionLookup' );
 787         }
 788
 789         /**
 790          * @since 1.32
 791          * @return RevisionRenderer
 792          */
 793         public function getRevisionRenderer() {
 794                 return $this->getService( 'RevisionRenderer' );
 795         }
 796
 797         /**
 798          * @since 1.31
 799          * @return RevisionStore
 800          */
 801         public function getRevisionStore() {
 802                 return $this->getService( 'RevisionStore' );
 803         }
 804
 805         /**
 806          * @since 1.32
 807          * @return RevisionStoreFactory
 808          */
 809         public function getRevisionStoreFactory() {
 810                 return $this->getService( 'RevisionStoreFactory' );
 811         }
 812
 813         /**
 814          * @since 1.27
 815          * @return SearchEngine
 816          */
 817         public function newSearchEngine() {
 818                 // New engine object every time, since they keep state
 819                 return $this->getService( 'SearchEngineFactory' )->create();
 820         }
 821
 822         /**
 823          * @since 1.27
 824          * @return SearchEngineConfig
 825          */
 826         public function getSearchEngineConfig() {
 827                 return $this->getService( 'SearchEngineConfig' );
 828         }
 829
 830         /**
 831          * @since 1.27
 832          * @return SearchEngineFactory
 833          */
 834         public function getSearchEngineFactory() {
 835                 return $this->getService( 'SearchEngineFactory' );
 836         }
 837
 838         /**
 839          * @since 1.30
 840          * @return CommandFactory
 841          */
 842         public function getShellCommandFactory() {
 843                 return $this->getService( 'ShellCommandFactory' );
 844         }
 845
 846         /**
 847          * @since 1.27
 848          * @return SiteLookup
 849          */
 850         public function getSiteLookup() {
 851                 return $this->getService( 'SiteLookup' );
 852         }
 853
 854         /**
 855          * @since 1.27
 856          * @return SiteStore
 857          */
 858         public function getSiteStore() {
 859                 return $this->getService( 'SiteStore' );
 860         }
 861
 862         /**
 863          * @since 1.27
 864          * @return SkinFactory
 865          */
 866         public function getSkinFactory() {
 867                 return $this->getService( 'SkinFactory' );
 868         }
 869
 870         /**
 871          * @since 1.33
 872          * @return SlotRoleRegistry
 873          */
 874         public function getSlotRoleRegistry() {
 875                 return $this->getService( 'SlotRoleRegistry' );
 876         }
 877
 878         /**
 879          * @since 1.31
 880          * @return NameTableStore
 881          */
 882         public function getSlotRoleStore() {
 883                 return $this->getService( 'NameTableStoreFactory' )->getSlotRoles();
 884         }
 885
 886         /**
 887          * @since 1.32
 888          * @return SpecialPageFactory
 889          */
 890         public function getSpecialPageFactory() : SpecialPageFactory {
 891                 return $this->getService( 'SpecialPageFactory' );
 892         }
 893
 894         /**
 895          * @since 1.27
 896          * @return IBufferingStatsdDataFactory
 897          */
 898         public function getStatsdDataFactory() {
 899                 return $this->getService( 'StatsdDataFactory' );
 900         }
 901
 902         /**
 903          * @since 1.28
 904          * @return TitleFormatter
 905          */
 906         public function getTitleFormatter() {
 907                 return $this->getService( 'TitleFormatter' );
 908         }
 909
 910         /**
 911          * @since 1.28
 912          * @return TitleParser
 913          */
 914         public function getTitleParser() {
 915                 return $this->getService( 'TitleParser' );
 916         }
 917
 918         /**
 919          * @since 1.32
 920          * @return UploadRevisionImporter
 921          */
 922         public function getUploadRevisionImporter() {
 923                 return $this->getService( 'UploadRevisionImporter' );
 924         }
 925
 926         /**
 927          * @since 1.28
 928          * @return VirtualRESTServiceClient
 929          */
 930         public function getVirtualRESTServiceClient() {
 931                 return $this->getService( 'VirtualRESTServiceClient' );
 932         }
 933
 934         /**
 935          * @since 1.28
 936          * @return WatchedItemQueryService
 937          */
 938         public function getWatchedItemQueryService() {
 939                 return $this->getService( 'WatchedItemQueryService' );
 940         }
 941
 942         /**
 943          * @since 1.28
 944          * @return WatchedItemStoreInterface
 945          */
 946         public function getWatchedItemStore() {
 947                 return $this->getService( 'WatchedItemStore' );
 948         }
 949
 950         /**
 951          * @since 1.31
 952          * @return \OldRevisionImporter
 953          */
 954         public function getWikiRevisionOldRevisionImporter() {
 955                 return $this->getService( 'OldRevisionImporter' );
 956         }
 957
 958         /**
 959          * @since 1.31
 960          * @return \OldRevisionImporter
 961          */
 962         public function getWikiRevisionOldRevisionImporterNoUpdates() {
 963                 return $this->getService( 'WikiRevisionOldRevisionImporterNoUpdates' );
 964         }
 965
 966         /**
 967          * @since 1.31
 968          * @return \UploadRevisionImporter
 969          */
 970         public function getWikiRevisionUploadImporter() {
 971                 return $this->getService( 'UploadRevisionImporter' );
 972         }
 973
 974 }