includes/ServiceWiring.php

   1 <?php
   2 /**
   3  * Default wiring for MediaWiki services.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  *
  22  * This file is loaded by MediaWiki\MediaWikiServices::getInstance() during the
  23  * bootstrapping of the dependency injection framework.
  24  *
  25  * This file returns an array that associates service name with instantiator functions
  26  * that create the default instances for the services used by MediaWiki core.
  27  * For every service that MediaWiki core requires, an instantiator must be defined in
  28  * this file.
  29  *
  30  * @note As of version 1.27, MediaWiki is only beginning to use dependency injection.
  31  * The services defined here do not yet fully represent all services used by core,
  32  * much of the code still relies on global state for this accessing services.
  33  *
  34  * @since 1.27
  35  *
  36  * @see docs/injection.txt for an overview of using dependency injection in the
  37  *      MediaWiki code base.
  38  */
  39
  40 use Liuggio\StatsdClient\Factory\StatsdDataFactoryInterface;
  41 use MediaWiki\Auth\AuthManager;
  42 use MediaWiki\Block\BlockManager;
  43 use MediaWiki\Block\BlockRestrictionStore;
  44 use MediaWiki\Config\ConfigRepository;
  45 use MediaWiki\Config\ServiceOptions;
  46 use MediaWiki\Http\HttpRequestFactory;
  47 use MediaWiki\Interwiki\ClassicInterwikiLookup;
  48 use MediaWiki\Interwiki\InterwikiLookup;
  49 use MediaWiki\Linker\LinkRenderer;
  50 use MediaWiki\Linker\LinkRendererFactory;
  51 use MediaWiki\Logger\LoggerFactory;
  52 use MediaWiki\MediaWikiServices;
  53 use MediaWiki\Permissions\PermissionManager;
  54 use MediaWiki\Preferences\PreferencesFactory;
  55 use MediaWiki\Preferences\DefaultPreferencesFactory;
  56 use MediaWiki\Revision\MainSlotRoleHandler;
  57 use MediaWiki\Revision\RevisionFactory;
  58 use MediaWiki\Revision\RevisionLookup;
  59 use MediaWiki\Revision\SlotRoleRegistry;
  60 use MediaWiki\Revision\RevisionRenderer;
  61 use MediaWiki\Revision\RevisionStore;
  62 use MediaWiki\Revision\RevisionStoreFactory;
  63 use MediaWiki\Shell\CommandFactory;
  64 use MediaWiki\Special\SpecialPageFactory;
  65 use MediaWiki\Storage\BlobStore;
  66 use MediaWiki\Storage\BlobStoreFactory;
  67 use MediaWiki\Storage\NameTableStoreFactory;
  68 use MediaWiki\Storage\SqlBlobStore;
  69 use MediaWiki\Storage\PageEditStash;
  70
  71 return [
  72         'ActorMigration' => function ( MediaWikiServices $services ) : ActorMigration {
  73                 return new ActorMigration(
  74                         $services->getMainConfig()->get( 'ActorTableSchemaMigrationStage' )
  75                 );
  76         },
  77
  78         'BlobStore' => function ( MediaWikiServices $services ) : BlobStore {
  79                 return $services->getService( '_SqlBlobStore' );
  80         },
  81
  82         'BlobStoreFactory' => function ( MediaWikiServices $services ) : BlobStoreFactory {
  83                 return new BlobStoreFactory(
  84                         $services->getDBLoadBalancerFactory(),
  85                         $services->getExternalStoreAccess(),
  86                         $services->getMainWANObjectCache(),
  87                         new ServiceOptions( BlobStoreFactory::$constructorOptions,
  88                                 $services->getMainConfig() ),
  89                         $services->getContentLanguage()
  90                 );
  91         },
  92
  93         'BlockManager' => function ( MediaWikiServices $services ) : BlockManager {
  94                 $config = $services->getMainConfig();
  95                 $context = RequestContext::getMain();
  96                 return new BlockManager(
  97                         $context->getUser(),
  98                         $context->getRequest(),
  99                         $config->get( 'ApplyIpBlocksToXff' ),
 100                         $config->get( 'CookieSetOnAutoblock' ),
 101                         $config->get( 'CookieSetOnIpBlock' ),
 102                         $config->get( 'DnsBlacklistUrls' ),
 103                         $config->get( 'EnableDnsBlacklist' ),
 104                         $config->get( 'ProxyList' ),
 105                         $config->get( 'ProxyWhitelist' ),
 106                         $config->get( 'SecretKey' ),
 107                         $config->get( 'SoftBlockRanges' )
 108                 );
 109         },
 110
 111         'BlockRestrictionStore' => function ( MediaWikiServices $services ) : BlockRestrictionStore {
 112                 return new BlockRestrictionStore(
 113                         $services->getDBLoadBalancer()
 114                 );
 115         },
 116
 117         'CommentStore' => function ( MediaWikiServices $services ) : CommentStore {
 118                 return new CommentStore(
 119                         $services->getContentLanguage(),
 120                         MIGRATION_NEW
 121                 );
 122         },
 123
 124         'ConfigFactory' => function ( MediaWikiServices $services ) : ConfigFactory {
 125                 // Use the bootstrap config to initialize the ConfigFactory.
 126                 $registry = $services->getBootstrapConfig()->get( 'ConfigRegistry' );
 127                 $factory = new ConfigFactory();
 128
 129                 foreach ( $registry as $name => $callback ) {
 130                         $factory->register( $name, $callback );
 131                 }
 132                 return $factory;
 133         },
 134
 135         'ConfigRepository' => function ( MediaWikiServices $services ) : ConfigRepository {
 136                 return new ConfigRepository( $services->getConfigFactory() );
 137         },
 138
 139         'ConfiguredReadOnlyMode' => function ( MediaWikiServices $services ) : ConfiguredReadOnlyMode {
 140                 $config = $services->getMainConfig();
 141                 return new ConfiguredReadOnlyMode(
 142                         $config->get( 'ReadOnly' ),
 143                         $config->get( 'ReadOnlyFile' )
 144                 );
 145         },
 146
 147         'ContentLanguage' => function ( MediaWikiServices $services ) : Language {
 148                 return Language::factory( $services->getMainConfig()->get( 'LanguageCode' ) );
 149         },
 150
 151         'CryptHKDF' => function ( MediaWikiServices $services ) : CryptHKDF {
 152                 $config = $services->getMainConfig();
 153
 154                 $secret = $config->get( 'HKDFSecret' ) ?: $config->get( 'SecretKey' );
 155                 if ( !$secret ) {
 156                         throw new RuntimeException( "Cannot use MWCryptHKDF without a secret." );
 157                 }
 158
 159                 // In HKDF, the context can be known to the attacker, but this will
 160                 // keep simultaneous runs from producing the same output.
 161                 $context = [ microtime(), getmypid(), gethostname() ];
 162
 163                 // Setup salt cache. Use APC, or fallback to the main cache if it isn't setup
 164                 $cache = $services->getLocalServerObjectCache();
 165                 if ( $cache instanceof EmptyBagOStuff ) {
 166                         $cache = ObjectCache::getLocalClusterInstance();
 167                 }
 168
 169                 return new CryptHKDF( $secret, $config->get( 'HKDFAlgorithm' ), $cache, $context );
 170         },
 171
 172         'DateFormatterFactory' => function () : DateFormatterFactory {
 173                 return new DateFormatterFactory;
 174         },
 175
 176         'DBLoadBalancer' => function ( MediaWikiServices $services ) : Wikimedia\Rdbms\ILoadBalancer {
 177                 // just return the default LB from the DBLoadBalancerFactory service
 178                 return $services->getDBLoadBalancerFactory()->getMainLB();
 179         },
 180
 181         'DBLoadBalancerFactory' =>
 182         function ( MediaWikiServices $services ) : Wikimedia\Rdbms\LBFactory {
 183                 $mainConfig = $services->getMainConfig();
 184
 185                 $lbConf = MWLBFactory::applyDefaultConfig(
 186                         $mainConfig->get( 'LBFactoryConf' ),
 187                         new ServiceOptions( MWLBFactory::$applyDefaultConfigOptions, $mainConfig ),
 188                         $services->getConfiguredReadOnlyMode(),
 189                         $services->getLocalServerObjectCache(),
 190                         $services->getMainObjectStash(),
 191                         $services->getMainWANObjectCache()
 192                 );
 193                 $class = MWLBFactory::getLBFactoryClass( $lbConf );
 194
 195                 $instance = new $class( $lbConf );
 196                 MWLBFactory::setSchemaAliases( $instance, $mainConfig->get( 'DBtype' ) );
 197
 198                 return $instance;
 199         },
 200
 201         'EventRelayerGroup' => function ( MediaWikiServices $services ) : EventRelayerGroup {
 202                 return new EventRelayerGroup( $services->getMainConfig()->get( 'EventRelayerConfig' ) );
 203         },
 204
 205         'ExternalStoreAccess' => function ( MediaWikiServices $services ) : ExternalStoreAccess {
 206                 return new ExternalStoreAccess(
 207                         $services->getExternalStoreFactory(),
 208                         LoggerFactory::getInstance( 'ExternalStore' )
 209                 );
 210         },
 211
 212         'ExternalStoreFactory' => function ( MediaWikiServices $services ) : ExternalStoreFactory {
 213                 $config = $services->getMainConfig();
 214                 $writeStores = $config->get( 'DefaultExternalStore' );
 215
 216                 return new ExternalStoreFactory(
 217                         $config->get( 'ExternalStores' ),
 218                         ( $writeStores !== false ) ? (array)$writeStores : [],
 219                         $services->getDBLoadBalancer()->getLocalDomainID(),
 220                         LoggerFactory::getInstance( 'ExternalStore' )
 221                 );
 222         },
 223
 224         'GenderCache' => function ( MediaWikiServices $services ) : GenderCache {
 225                 return new GenderCache( $services->getNamespaceInfo() );
 226         },
 227
 228         'HttpRequestFactory' =>
 229         function ( MediaWikiServices $services ) : HttpRequestFactory {
 230                 return new HttpRequestFactory();
 231         },
 232
 233         'InterwikiLookup' => function ( MediaWikiServices $services ) : InterwikiLookup {
 234                 $config = $services->getMainConfig();
 235                 return new ClassicInterwikiLookup(
 236                         $services->getContentLanguage(),
 237                         $services->getMainWANObjectCache(),
 238                         $config->get( 'InterwikiExpiry' ),
 239                         $config->get( 'InterwikiCache' ),
 240                         $config->get( 'InterwikiScopes' ),
 241                         $config->get( 'InterwikiFallbackSite' )
 242                 );
 243         },
 244
 245         'LinkCache' => function ( MediaWikiServices $services ) : LinkCache {
 246                 return new LinkCache(
 247                         $services->getTitleFormatter(),
 248                         $services->getMainWANObjectCache(),
 249                         $services->getNamespaceInfo()
 250                 );
 251         },
 252
 253         'LinkRenderer' => function ( MediaWikiServices $services ) : LinkRenderer {
 254                 if ( defined( 'MW_NO_SESSION' ) ) {
 255                         return $services->getLinkRendererFactory()->create();
 256                 } else {
 257                         return $services->getLinkRendererFactory()->createForUser(
 258                                 RequestContext::getMain()->getUser()
 259                         );
 260                 }
 261         },
 262
 263         'LinkRendererFactory' => function ( MediaWikiServices $services ) : LinkRendererFactory {
 264                 return new LinkRendererFactory(
 265                         $services->getTitleFormatter(),
 266                         $services->getLinkCache(),
 267                         $services->getNamespaceInfo()
 268                 );
 269         },
 270
 271         'LocalServerObjectCache' => function ( MediaWikiServices $services ) : BagOStuff {
 272                 $cacheId = \ObjectCache::detectLocalServerCache();
 273                 return \ObjectCache::newFromId( $cacheId );
 274         },
 275
 276         'MagicWordFactory' => function ( MediaWikiServices $services ) : MagicWordFactory {
 277                 return new MagicWordFactory( $services->getContentLanguage() );
 278         },
 279
 280         'MainConfig' => function ( MediaWikiServices $services ) : Config {
 281                 // Use the 'main' config from the ConfigFactory service.
 282                 return $services->getConfigFactory()->makeConfig( 'main' );
 283         },
 284
 285         'MainObjectStash' => function ( MediaWikiServices $services ) : BagOStuff {
 286                 $mainConfig = $services->getMainConfig();
 287
 288                 $id = $mainConfig->get( 'MainStash' );
 289                 if ( !isset( $mainConfig->get( 'ObjectCaches' )[$id] ) ) {
 290                         throw new UnexpectedValueException(
 291                                 "Cache type \"$id\" is not present in \$wgObjectCaches." );
 292                 }
 293
 294                 return \ObjectCache::newFromParams( $mainConfig->get( 'ObjectCaches' )[$id] );
 295         },
 296
 297         'MainWANObjectCache' => function ( MediaWikiServices $services ) : WANObjectCache {
 298                 $mainConfig = $services->getMainConfig();
 299
 300                 $id = $mainConfig->get( 'MainWANCache' );
 301                 if ( !isset( $mainConfig->get( 'WANObjectCaches' )[$id] ) ) {
 302                         throw new UnexpectedValueException(
 303                                 "WAN cache type \"$id\" is not present in \$wgWANObjectCaches." );
 304                 }
 305
 306                 $params = $mainConfig->get( 'WANObjectCaches' )[$id];
 307                 $objectCacheId = $params['cacheId'];
 308                 if ( !isset( $mainConfig->get( 'ObjectCaches' )[$objectCacheId] ) ) {
 309                         throw new UnexpectedValueException(
 310                                 "Cache type \"$objectCacheId\" is not present in \$wgObjectCaches." );
 311                 }
 312                 $params['store'] = $mainConfig->get( 'ObjectCaches' )[$objectCacheId];
 313
 314                 return \ObjectCache::newWANCacheFromParams( $params );
 315         },
 316
 317         'MediaHandlerFactory' => function ( MediaWikiServices $services ) : MediaHandlerFactory {
 318                 return new MediaHandlerFactory(
 319                         $services->getMainConfig()->get( 'MediaHandlers' )
 320                 );
 321         },
 322
 323         'MimeAnalyzer' => function ( MediaWikiServices $services ) : MimeAnalyzer {
 324                 $logger = LoggerFactory::getInstance( 'Mime' );
 325                 $mainConfig = $services->getMainConfig();
 326                 $params = [
 327                         'typeFile' => $mainConfig->get( 'MimeTypeFile' ),
 328                         'infoFile' => $mainConfig->get( 'MimeInfoFile' ),
 329                         'xmlTypes' => $mainConfig->get( 'XMLMimeTypes' ),
 330                         'guessCallback' =>
 331                                 function ( $mimeAnalyzer, &$head, &$tail, $file, &$mime ) use ( $logger ) {
 332                                         // Also test DjVu
 333                                         $deja = new DjVuImage( $file );
 334                                         if ( $deja->isValid() ) {
 335                                                 $logger->info( "Detected $file as image/vnd.djvu\n" );
 336                                                 $mime = 'image/vnd.djvu';
 337
 338                                                 return;
 339                                         }
 340                                         // Some strings by reference for performance - assuming well-behaved hooks
 341                                         Hooks::run(
 342                                                 'MimeMagicGuessFromContent',
 343                                                 [ $mimeAnalyzer, &$head, &$tail, $file, &$mime ]
 344                                         );
 345                                 },
 346                         'extCallback' => function ( $mimeAnalyzer, $ext, &$mime ) {
 347                                 // Media handling extensions can improve the MIME detected
 348                                 Hooks::run( 'MimeMagicImproveFromExtension', [ $mimeAnalyzer, $ext, &$mime ] );
 349                         },
 350                         'initCallback' => function ( $mimeAnalyzer ) {
 351                                 // Allow media handling extensions adding MIME-types and MIME-info
 352                                 Hooks::run( 'MimeMagicInit', [ $mimeAnalyzer ] );
 353                         },
 354                         'logger' => $logger
 355                 ];
 356
 357                 if ( $params['infoFile'] === 'includes/mime.info' ) {
 358                         $params['infoFile'] = __DIR__ . "/libs/mime/mime.info";
 359                 }
 360
 361                 if ( $params['typeFile'] === 'includes/mime.types' ) {
 362                         $params['typeFile'] = __DIR__ . "/libs/mime/mime.types";
 363                 }
 364
 365                 $detectorCmd = $mainConfig->get( 'MimeDetectorCommand' );
 366                 if ( $detectorCmd ) {
 367                         $factory = $services->getShellCommandFactory();
 368                         $params['detectCallback'] = function ( $file ) use ( $detectorCmd, $factory ) {
 369                                 $result = $factory->create()
 370                                         // $wgMimeDetectorCommand can contain commands with parameters
 371                                         ->unsafeParams( $detectorCmd )
 372                                         ->params( $file )
 373                                         ->execute();
 374                                 return $result->getStdout();
 375                         };
 376                 }
 377
 378                 return new MimeAnalyzer( $params );
 379         },
 380
 381         'NamespaceInfo' => function ( MediaWikiServices $services ) : NamespaceInfo {
 382                 return new NamespaceInfo( new ServiceOptions( NamespaceInfo::$constructorOptions,
 383                         $services->getMainConfig() ) );
 384         },
 385
 386         'NameTableStoreFactory' => function ( MediaWikiServices $services ) : NameTableStoreFactory {
 387                 return new NameTableStoreFactory(
 388                         $services->getDBLoadBalancerFactory(),
 389                         $services->getMainWANObjectCache(),
 390                         LoggerFactory::getInstance( 'NameTableSqlStore' )
 391                 );
 392         },
 393
 394         'OldRevisionImporter' => function ( MediaWikiServices $services ) : OldRevisionImporter {
 395                 return new ImportableOldRevisionImporter(
 396                         true,
 397                         LoggerFactory::getInstance( 'OldRevisionImporter' ),
 398                         $services->getDBLoadBalancer()
 399                 );
 400         },
 401
 402         'PageEditStash' => function ( MediaWikiServices $services ) : PageEditStash {
 403                 $config = $services->getMainConfig();
 404
 405                 return new PageEditStash(
 406                         ObjectCache::getLocalClusterInstance(),
 407                         $services->getDBLoadBalancer(),
 408                         LoggerFactory::getInstance( 'StashEdit' ),
 409                         $services->getStatsdDataFactory(),
 410                         defined( 'MEDIAWIKI_JOB_RUNNER' ) || $config->get( 'CommandLineMode' )
 411                                 ? PageEditStash::INITIATOR_JOB_OR_CLI
 412                                 : PageEditStash::INITIATOR_USER
 413                 );
 414         },
 415
 416         'Parser' => function ( MediaWikiServices $services ) : Parser {
 417                 return $services->getParserFactory()->create();
 418         },
 419
 420         'ParserCache' => function ( MediaWikiServices $services ) : ParserCache {
 421                 $config = $services->getMainConfig();
 422                 $cache = ObjectCache::getInstance( $config->get( 'ParserCacheType' ) );
 423                 wfDebugLog( 'caches', 'parser: ' . get_class( $cache ) );
 424
 425                 return new ParserCache(
 426                         $cache,
 427                         $config->get( 'CacheEpoch' )
 428                 );
 429         },
 430
 431         'ParserFactory' => function ( MediaWikiServices $services ) : ParserFactory {
 432                 $options = new ServiceOptions( Parser::$constructorOptions,
 433                         // 'class' and 'preprocessorClass'
 434                         $services->getMainConfig()->get( 'ParserConf' ),
 435                         // Make sure to have defaults in case someone overrode ParserConf with something silly
 436                         [ 'class' => Parser::class,
 437                                 'preprocessorClass' => Parser::getDefaultPreprocessorClass() ],
 438                         // Plus a buch of actual config options
 439                         $services->getMainConfig()
 440                 );
 441
 442                 return new ParserFactory(
 443                         $options,
 444                         $services->getMagicWordFactory(),
 445                         $services->getContentLanguage(),
 446                         wfUrlProtocols(),
 447                         $services->getSpecialPageFactory(),
 448                         $services->getLinkRendererFactory(),
 449                         $services->getNamespaceInfo()
 450                 );
 451         },
 452
 453         'PasswordFactory' => function ( MediaWikiServices $services ) : PasswordFactory {
 454                 $config = $services->getMainConfig();
 455                 return new PasswordFactory(
 456                         $config->get( 'PasswordConfig' ),
 457                         $config->get( 'PasswordDefault' )
 458                 );
 459         },
 460
 461         'PerDbNameStatsdDataFactory' =>
 462         function ( MediaWikiServices $services ) : StatsdDataFactoryInterface {
 463                 $config = $services->getMainConfig();
 464                 $wiki = $config->get( 'DBname' );
 465                 return new PrefixingStatsdDataFactoryProxy(
 466                         $services->getStatsdDataFactory(),
 467                         $wiki
 468                 );
 469         },
 470
 471         'PermissionManager' => function ( MediaWikiServices $services ) : PermissionManager {
 472                 $config = $services->getMainConfig();
 473                 return new PermissionManager(
 474                         $services->getSpecialPageFactory(),
 475                         $config->get( 'WhitelistRead' ),
 476                         $config->get( 'WhitelistReadRegexp' ),
 477                         $config->get( 'EmailConfirmToEdit' ),
 478                         $config->get( 'BlockDisablesLogin' ),
 479                         $config->get( 'GroupPermissions' ),
 480                         $config->get( 'RevokePermissions' ),
 481                         $config->get( 'AvailableRights' ),
 482                         $services->getNamespaceInfo()
 483                 );
 484         },
 485
 486         'PreferencesFactory' => function ( MediaWikiServices $services ) : PreferencesFactory {
 487                 $factory = new DefaultPreferencesFactory(
 488                         new ServiceOptions(
 489                                 DefaultPreferencesFactory::$constructorOptions, $services->getMainConfig() ),
 490                         $services->getContentLanguage(),
 491                         AuthManager::singleton(),
 492                         $services->getLinkRendererFactory()->create(),
 493                         $services->getNamespaceInfo()
 494                 );
 495                 $factory->setLogger( LoggerFactory::getInstance( 'preferences' ) );
 496
 497                 return $factory;
 498         },
 499
 500         'ProxyLookup' => function ( MediaWikiServices $services ) : ProxyLookup {
 501                 $mainConfig = $services->getMainConfig();
 502                 return new ProxyLookup(
 503                         $mainConfig->get( 'CdnServers' ),
 504                         $mainConfig->get( 'CdnServersNoPurge' )
 505                 );
 506         },
 507
 508         'ReadOnlyMode' => function ( MediaWikiServices $services ) : ReadOnlyMode {
 509                 return new ReadOnlyMode(
 510                         $services->getConfiguredReadOnlyMode(),
 511                         $services->getDBLoadBalancer()
 512                 );
 513         },
 514
 515         'RepoGroup' => function ( MediaWikiServices $services ) : RepoGroup {
 516                 $config = $services->getMainConfig();
 517                 return new RepoGroup(
 518                         $config->get( 'LocalFileRepo' ),
 519                         $config->get( 'ForeignFileRepos' ),
 520                         $services->getMainWANObjectCache()
 521                 );
 522         },
 523
 524         'ResourceLoader' => function ( MediaWikiServices $services ) : ResourceLoader {
 525                 // @todo This should not take a Config object, but it's not so easy to remove because it
 526                 // exposes it in a getter, which is actually used.
 527                 global $IP;
 528                 $config = $services->getMainConfig();
 529
 530                 $rl = new ResourceLoader(
 531                         $config,
 532                         LoggerFactory::getInstance( 'resourceloader' )
 533                 );
 534
 535                 $rl->addSource( $config->get( 'ResourceLoaderSources' ) );
 536
 537                 // Core modules, then extension/skin modules
 538                 $rl->register( include "$IP/resources/Resources.php" );
 539                 $rl->register( $config->get( 'ResourceModules' ) );
 540                 Hooks::run( 'ResourceLoaderRegisterModules', [ &$rl ] );
 541
 542                 if ( $config->get( 'EnableJavaScriptTest' ) === true ) {
 543                         $rl->registerTestModules();
 544                 }
 545
 546                 return $rl;
 547         },
 548
 549         'RevisionFactory' => function ( MediaWikiServices $services ) : RevisionFactory {
 550                 return $services->getRevisionStore();
 551         },
 552
 553         'RevisionLookup' => function ( MediaWikiServices $services ) : RevisionLookup {
 554                 return $services->getRevisionStore();
 555         },
 556
 557         'RevisionRenderer' => function ( MediaWikiServices $services ) : RevisionRenderer {
 558                 $renderer = new RevisionRenderer(
 559                         $services->getDBLoadBalancer(),
 560                         $services->getSlotRoleRegistry()
 561                 );
 562
 563                 $renderer->setLogger( LoggerFactory::getInstance( 'SaveParse' ) );
 564                 return $renderer;
 565         },
 566
 567         'RevisionStore' => function ( MediaWikiServices $services ) : RevisionStore {
 568                 return $services->getRevisionStoreFactory()->getRevisionStore();
 569         },
 570
 571         'RevisionStoreFactory' => function ( MediaWikiServices $services ) : RevisionStoreFactory {
 572                 $config = $services->getMainConfig();
 573                 $store = new RevisionStoreFactory(
 574                         $services->getDBLoadBalancerFactory(),
 575                         $services->getBlobStoreFactory(),
 576                         $services->getNameTableStoreFactory(),
 577                         $services->getSlotRoleRegistry(),
 578                         $services->getMainWANObjectCache(),
 579                         $services->getCommentStore(),
 580                         $services->getActorMigration(),
 581                         $config->get( 'MultiContentRevisionSchemaMigrationStage' ),
 582                         LoggerFactory::getProvider(),
 583                         $config->get( 'ContentHandlerUseDB' )
 584                 );
 585
 586                 return $store;
 587         },
 588
 589         'SearchEngineConfig' => function ( MediaWikiServices $services ) : SearchEngineConfig {
 590                 // @todo This should not take a Config object, but it's not so easy to remove because it
 591                 // exposes it in a getter, which is actually used.
 592                 return new SearchEngineConfig( $services->getMainConfig(),
 593                         $services->getContentLanguage() );
 594         },
 595
 596         'SearchEngineFactory' => function ( MediaWikiServices $services ) : SearchEngineFactory {
 597                 return new SearchEngineFactory( $services->getSearchEngineConfig() );
 598         },
 599
 600         'ShellCommandFactory' => function ( MediaWikiServices $services ) : CommandFactory {
 601                 $config = $services->getMainConfig();
 602
 603                 $limits = [
 604                         'time' => $config->get( 'MaxShellTime' ),
 605                         'walltime' => $config->get( 'MaxShellWallClockTime' ),
 606                         'memory' => $config->get( 'MaxShellMemory' ),
 607                         'filesize' => $config->get( 'MaxShellFileSize' ),
 608                 ];
 609                 $cgroup = $config->get( 'ShellCgroup' );
 610                 $restrictionMethod = $config->get( 'ShellRestrictionMethod' );
 611
 612                 $factory = new CommandFactory( $limits, $cgroup, $restrictionMethod );
 613                 $factory->setLogger( LoggerFactory::getInstance( 'exec' ) );
 614                 $factory->logStderr();
 615
 616                 return $factory;
 617         },
 618
 619         'SiteLookup' => function ( MediaWikiServices $services ) : SiteLookup {
 620                 // Use SiteStore as the SiteLookup as well. This was originally separated
 621                 // to allow for a cacheable read-only interface (using FileBasedSiteLookup),
 622                 // but this was never used. SiteStore has caching (see below).
 623                 return $services->getSiteStore();
 624         },
 625
 626         'SiteStore' => function ( MediaWikiServices $services ) : SiteStore {
 627                 $rawSiteStore = new DBSiteStore( $services->getDBLoadBalancer() );
 628
 629                 // TODO: replace wfGetCache with a CacheFactory service.
 630                 // TODO: replace wfIsHHVM with a capabilities service.
 631                 $cache = wfGetCache( wfIsHHVM() ? CACHE_ACCEL : CACHE_ANYTHING );
 632
 633                 return new CachingSiteStore( $rawSiteStore, $cache );
 634         },
 635
 636         'SkinFactory' => function ( MediaWikiServices $services ) : SkinFactory {
 637                 $factory = new SkinFactory();
 638
 639                 $names = $services->getMainConfig()->get( 'ValidSkinNames' );
 640
 641                 foreach ( $names as $name => $skin ) {
 642                         $factory->register( $name, $skin, function () use ( $name, $skin ) {
 643                                 $class = "Skin$skin";
 644                                 return new $class( $name );
 645                         } );
 646                 }
 647                 // Register a hidden "fallback" skin
 648                 $factory->register( 'fallback', 'Fallback', function () {
 649                         return new SkinFallback;
 650                 } );
 651                 // Register a hidden skin for api output
 652                 $factory->register( 'apioutput', 'ApiOutput', function () {
 653                         return new SkinApi;
 654                 } );
 655
 656                 return $factory;
 657         },
 658
 659         'SlotRoleRegistry' => function ( MediaWikiServices $services ) : SlotRoleRegistry {
 660                 $config = $services->getMainConfig();
 661
 662                 $registry = new SlotRoleRegistry(
 663                         $services->getNameTableStoreFactory()->getSlotRoles()
 664                 );
 665
 666                 $registry->defineRole( 'main', function () use ( $config ) {
 667                         return new MainSlotRoleHandler(
 668                                 $config->get( 'NamespaceContentModels' )
 669                         );
 670                 } );
 671
 672                 return $registry;
 673         },
 674
 675         'SpecialPageFactory' => function ( MediaWikiServices $services ) : SpecialPageFactory {
 676                 return new SpecialPageFactory(
 677                         new ServiceOptions(
 678                                 SpecialPageFactory::$constructorOptions, $services->getMainConfig() ),
 679                         $services->getContentLanguage()
 680                 );
 681         },
 682
 683         'StatsdDataFactory' => function ( MediaWikiServices $services ) : IBufferingStatsdDataFactory {
 684                 return new BufferingStatsdDataFactory(
 685                         rtrim( $services->getMainConfig()->get( 'StatsdMetricPrefix' ), '.' )
 686                 );
 687         },
 688
 689         'TitleFormatter' => function ( MediaWikiServices $services ) : TitleFormatter {
 690                 return $services->getService( '_MediaWikiTitleCodec' );
 691         },
 692
 693         'TitleParser' => function ( MediaWikiServices $services ) : TitleParser {
 694                 return $services->getService( '_MediaWikiTitleCodec' );
 695         },
 696
 697         'UploadRevisionImporter' => function ( MediaWikiServices $services ) : UploadRevisionImporter {
 698                 return new ImportableUploadRevisionImporter(
 699                         $services->getMainConfig()->get( 'EnableUploads' ),
 700                         LoggerFactory::getInstance( 'UploadRevisionImporter' )
 701                 );
 702         },
 703
 704         'VirtualRESTServiceClient' =>
 705         function ( MediaWikiServices $services ) : VirtualRESTServiceClient {
 706                 $config = $services->getMainConfig()->get( 'VirtualRestConfig' );
 707
 708                 $vrsClient = new VirtualRESTServiceClient( new MultiHttpClient( [] ) );
 709                 foreach ( $config['paths'] as $prefix => $serviceConfig ) {
 710                         $class = $serviceConfig['class'];
 711                         // Merge in the global defaults
 712                         $constructArg = $serviceConfig['options'] ?? [];
 713                         $constructArg += $config['global'];
 714                         // Make the VRS service available at the mount point
 715                         $vrsClient->mount( $prefix, [ 'class' => $class, 'config' => $constructArg ] );
 716                 }
 717
 718                 return $vrsClient;
 719         },
 720
 721         'WatchedItemQueryService' =>
 722         function ( MediaWikiServices $services ) : WatchedItemQueryService {
 723                 return new WatchedItemQueryService(
 724                         $services->getDBLoadBalancer(),
 725                         $services->getCommentStore(),
 726                         $services->getActorMigration(),
 727                         $services->getWatchedItemStore()
 728                 );
 729         },
 730
 731         'WatchedItemStore' => function ( MediaWikiServices $services ) : WatchedItemStore {
 732                 $store = new WatchedItemStore(
 733                         $services->getDBLoadBalancerFactory(),
 734                         JobQueueGroup::singleton(),
 735                         $services->getMainObjectStash(),
 736                         new HashBagOStuff( [ 'maxKeys' => 100 ] ),
 737                         $services->getReadOnlyMode(),
 738                         $services->getMainConfig()->get( 'UpdateRowsPerQuery' ),
 739                         $services->getNamespaceInfo(),
 740                         $services->getRevisionLookup()
 741                 );
 742                 $store->setStatsdDataFactory( $services->getStatsdDataFactory() );
 743
 744                 if ( $services->getMainConfig()->get( 'ReadOnlyWatchedItemStore' ) ) {
 745                         $store = new NoWriteWatchedItemStore( $store );
 746                 }
 747
 748                 return $store;
 749         },
 750
 751         'WikiRevisionOldRevisionImporterNoUpdates' =>
 752         function ( MediaWikiServices $services ) : ImportableOldRevisionImporter {
 753                 return new ImportableOldRevisionImporter(
 754                         false,
 755                         LoggerFactory::getInstance( 'OldRevisionImporter' ),
 756                         $services->getDBLoadBalancer()
 757                 );
 758         },
 759
 760         '_MediaWikiTitleCodec' => function ( MediaWikiServices $services ) : MediaWikiTitleCodec {
 761                 return new MediaWikiTitleCodec(
 762                         $services->getContentLanguage(),
 763                         $services->getGenderCache(),
 764                         $services->getMainConfig()->get( 'LocalInterwikis' ),
 765                         $services->getInterwikiLookup(),
 766                         $services->getNamespaceInfo()
 767                 );
 768         },
 769
 770         '_SqlBlobStore' => function ( MediaWikiServices $services ) : SqlBlobStore {
 771                 return $services->getBlobStoreFactory()->newSqlBlobStore();
 772         },
 773
 774         ///////////////////////////////////////////////////////////////////////////
 775         // NOTE: When adding a service here, don't forget to add a getter function
 776         // in the MediaWikiServices class. The convenience getter should just call
 777         // $this->getService( 'FooBarService' ).
 778         ///////////////////////////////////////////////////////////////////////////
 779
 780 ];