includes/Setup.php

   1 <?php
   2 /**
   3  * Include most things that are needed to make MediaWiki work.
   4  *
   5  * This file is included by WebStart.php and doMaintenance.php so that both
   6  * web and maintenance scripts share a final set up phase to include necessary
   7  * files and create global object variables.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  22  * http://www.gnu.org/copyleft/gpl.html
  23  *
  24  * @file
  25  */
  26 use MediaWiki\MediaWikiServices;
  27
  28 /**
  29  * This file is not a valid entry point, perform no further processing unless
  30  * MEDIAWIKI is defined
  31  */
  32 if ( !defined( 'MEDIAWIKI' ) ) {
  33         exit( 1 );
  34 }
  35
  36 /**
  37  * Pre-config setup: Before loading LocalSettings.php
  38  */
  39
  40 // Get profiler configuraton
  41 $wgProfiler = [];
  42 if ( file_exists( "$IP/StartProfiler.php" ) ) {
  43         require "$IP/StartProfiler.php";
  44 }
  45
  46 // Start the autoloader, so that extensions can derive classes from core files
  47 require_once "$IP/includes/AutoLoader.php";
  48
  49 // Load up some global defines
  50 require_once "$IP/includes/Defines.php";
  51
  52 // Load default settings
  53 require_once "$IP/includes/DefaultSettings.php";
  54
  55 // Load global functions
  56 require_once "$IP/includes/GlobalFunctions.php";
  57
  58 // Load composer's autoloader if present
  59 if ( is_readable( "$IP/vendor/autoload.php" ) ) {
  60         require_once "$IP/vendor/autoload.php";
  61 }
  62
  63 // Assert that composer dependencies were successfully loaded
  64 // Purposely no leading \ due to it breaking HHVM RepoAuthorative mode
  65 // PHP works fine with both versions
  66 // See https://github.com/facebook/hhvm/issues/5833
  67 if ( !interface_exists( 'Psr\Log\LoggerInterface' ) ) {
  68         $message = (
  69                 'MediaWiki requires the <a href="https://github.com/php-fig/log">PSR-3 logging ' .
  70                 "library</a> to be present. This library is not embedded directly in MediaWiki's " .
  71                 "git repository and must be installed separately by the end user.\n\n" .
  72                 'Please see <a href="https://www.mediawiki.org/wiki/Download_from_Git' .
  73                 '#Fetch_external_libraries">mediawiki.org</a> for help on installing ' .
  74                 'the required components.'
  75         );
  76         echo $message;
  77         trigger_error( $message, E_USER_ERROR );
  78         die( 1 );
  79 }
  80
  81 // Install a header callback
  82 MediaWiki\HeaderCallback::register();
  83
  84 /**
  85  * Load LocalSettings.php
  86  */
  87
  88 if ( defined( 'MW_CONFIG_CALLBACK' ) ) {
  89         call_user_func( MW_CONFIG_CALLBACK );
  90 } else {
  91         if ( !defined( 'MW_CONFIG_FILE' ) ) {
  92                 define( 'MW_CONFIG_FILE', "$IP/LocalSettings.php" );
  93         }
  94         require_once MW_CONFIG_FILE;
  95 }
  96
  97 /**
  98  * Customization point after all loading (constants, functions, classes,
  99  * DefaultSettings, LocalSettings). Specifically, this is before usage of
 100  * settings, before instantiation of Profiler (and other singletons), and
 101  * before any setup functions or hooks run.
 102  */
 103
 104 if ( defined( 'MW_SETUP_CALLBACK' ) ) {
 105         call_user_func( MW_SETUP_CALLBACK );
 106 }
 107
 108 /**
 109  * Main setup
 110  */
 111
 112 $fname = 'Setup.php';
 113 $ps_setup = Profiler::instance()->scopedProfileIn( $fname );
 114
 115 // Load queued extensions
 116 ExtensionRegistry::getInstance()->loadFromQueue();
 117 // Don't let any other extensions load
 118 ExtensionRegistry::getInstance()->finish();
 119
 120 // Check to see if we are at the file scope
 121 if ( !isset( $wgVersion ) ) {
 122         echo "Error, Setup.php must be included from the file scope, after DefaultSettings.php\n";
 123         die( 1 );
 124 }
 125
 126 mb_internal_encoding( 'UTF-8' );
 127
 128 // Set the configured locale on all requests for consisteny
 129 putenv( "LC_ALL=$wgShellLocale" );
 130 setlocale( LC_ALL, $wgShellLocale );
 131
 132 // Set various default paths sensibly...
 133 $ps_default = Profiler::instance()->scopedProfileIn( $fname . '-defaults' );
 134
 135 if ( $wgScript === false ) {
 136         $wgScript = "$wgScriptPath/index.php";
 137 }
 138 if ( $wgLoadScript === false ) {
 139         $wgLoadScript = "$wgScriptPath/load.php";
 140 }
 141
 142 if ( $wgArticlePath === false ) {
 143         if ( $wgUsePathInfo ) {
 144                 $wgArticlePath = "$wgScript/$1";
 145         } else {
 146                 $wgArticlePath = "$wgScript?title=$1";
 147         }
 148 }
 149
 150 if ( !empty( $wgActionPaths ) && !isset( $wgActionPaths['view'] ) ) {
 151         // 'view' is assumed the default action path everywhere in the code
 152         // but is rarely filled in $wgActionPaths
 153         $wgActionPaths['view'] = $wgArticlePath;
 154 }
 155
 156 if ( $wgResourceBasePath === null ) {
 157         $wgResourceBasePath = $wgScriptPath;
 158 }
 159 if ( $wgStylePath === false ) {
 160         $wgStylePath = "$wgResourceBasePath/skins";
 161 }
 162 if ( $wgLocalStylePath === false ) {
 163         // Avoid wgResourceBasePath here since that may point to a different domain (e.g. CDN)
 164         $wgLocalStylePath = "$wgScriptPath/skins";
 165 }
 166 if ( $wgExtensionAssetsPath === false ) {
 167         $wgExtensionAssetsPath = "$wgResourceBasePath/extensions";
 168 }
 169
 170 if ( $wgLogo === false ) {
 171         $wgLogo = "$wgResourceBasePath/resources/assets/wiki.png";
 172 }
 173
 174 if ( $wgUploadPath === false ) {
 175         $wgUploadPath = "$wgScriptPath/images";
 176 }
 177 if ( $wgUploadDirectory === false ) {
 178         $wgUploadDirectory = "$IP/images";
 179 }
 180 if ( $wgReadOnlyFile === false ) {
 181         $wgReadOnlyFile = "{$wgUploadDirectory}/lock_yBgMBwiR";
 182 }
 183 if ( $wgFileCacheDirectory === false ) {
 184         $wgFileCacheDirectory = "{$wgUploadDirectory}/cache";
 185 }
 186 if ( $wgDeletedDirectory === false ) {
 187         $wgDeletedDirectory = "{$wgUploadDirectory}/deleted";
 188 }
 189
 190 if ( $wgGitInfoCacheDirectory === false && $wgCacheDirectory !== false ) {
 191         $wgGitInfoCacheDirectory = "{$wgCacheDirectory}/gitinfo";
 192 }
 193
 194 if ( $wgEnableParserCache === false ) {
 195         $wgParserCacheType = CACHE_NONE;
 196 }
 197
 198 // Fix path to icon images after they were moved in 1.24
 199 if ( $wgRightsIcon ) {
 200         $wgRightsIcon = str_replace(
 201                 "{$wgStylePath}/common/images/",
 202                 "{$wgResourceBasePath}/resources/assets/licenses/",
 203                 $wgRightsIcon
 204         );
 205 }
 206
 207 if ( isset( $wgFooterIcons['copyright']['copyright'] )
 208         && $wgFooterIcons['copyright']['copyright'] === []
 209 ) {
 210         if ( $wgRightsIcon || $wgRightsText ) {
 211                 $wgFooterIcons['copyright']['copyright'] = [
 212                         'url' => $wgRightsUrl,
 213                         'src' => $wgRightsIcon,
 214                         'alt' => $wgRightsText,
 215                 ];
 216         }
 217 }
 218
 219 if ( isset( $wgFooterIcons['poweredby'] )
 220         && isset( $wgFooterIcons['poweredby']['mediawiki'] )
 221         && $wgFooterIcons['poweredby']['mediawiki']['src'] === null
 222 ) {
 223         $wgFooterIcons['poweredby']['mediawiki']['src'] =
 224                 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_88x31.png";
 225         $wgFooterIcons['poweredby']['mediawiki']['srcset'] =
 226                 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_132x47.png 1.5x, " .
 227                 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_176x62.png 2x";
 228 }
 229
 230 /**
 231  * Unconditional protection for NS_MEDIAWIKI since otherwise it's too easy for a
 232  * sysadmin to set $wgNamespaceProtection incorrectly and leave the wiki insecure.
 233  *
 234  * Note that this is the definition of editinterface and it can be granted to
 235  * all users if desired.
 236  */
 237 $wgNamespaceProtection[NS_MEDIAWIKI] = 'editinterface';
 238
 239 /**
 240  * The canonical names of namespaces 6 and 7 are, as of v1.14, "File"
 241  * and "File_talk".  The old names "Image" and "Image_talk" are
 242  * retained as aliases for backwards compatibility.
 243  */
 244 $wgNamespaceAliases['Image'] = NS_FILE;
 245 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
 246
 247 /**
 248  * Initialise $wgLockManagers to include basic FS version
 249  */
 250 $wgLockManagers[] = [
 251         'name' => 'fsLockManager',
 252         'class' => FSLockManager::class,
 253         'lockDirectory' => "{$wgUploadDirectory}/lockdir",
 254 ];
 255 $wgLockManagers[] = [
 256         'name' => 'nullLockManager',
 257         'class' => NullLockManager::class,
 258 ];
 259
 260 /**
 261  * Default parameters for the "<gallery>" tag.
 262  * @see DefaultSettings.php for description of the fields.
 263  */
 264 $wgGalleryOptions += [
 265         'imagesPerRow' => 0,
 266         'imageWidth' => 120,
 267         'imageHeight' => 120,
 268         'captionLength' => true,
 269         'showBytes' => true,
 270         'showDimensions' => true,
 271         'mode' => 'traditional',
 272 ];
 273
 274 /**
 275  * Initialise $wgLocalFileRepo from backwards-compatible settings
 276  */
 277 if ( !$wgLocalFileRepo ) {
 278         $wgLocalFileRepo = [
 279                 'class' => LocalRepo::class,
 280                 'name' => 'local',
 281                 'directory' => $wgUploadDirectory,
 282                 'scriptDirUrl' => $wgScriptPath,
 283                 'scriptExtension' => '.php',
 284                 'url' => $wgUploadBaseUrl ? $wgUploadBaseUrl . $wgUploadPath : $wgUploadPath,
 285                 'hashLevels' => $wgHashedUploadDirectory ? 2 : 0,
 286                 'thumbScriptUrl' => $wgThumbnailScriptPath,
 287                 'transformVia404' => !$wgGenerateThumbnailOnParse,
 288                 'deletedDir' => $wgDeletedDirectory,
 289                 'deletedHashLevels' => $wgHashedUploadDirectory ? 3 : 0
 290         ];
 291 }
 292 /**
 293  * Initialise shared repo from backwards-compatible settings
 294  */
 295 if ( $wgUseSharedUploads ) {
 296         if ( $wgSharedUploadDBname ) {
 297                 $wgForeignFileRepos[] = [
 298                         'class' => ForeignDBRepo::class,
 299                         'name' => 'shared',
 300                         'directory' => $wgSharedUploadDirectory,
 301                         'url' => $wgSharedUploadPath,
 302                         'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
 303                         'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
 304                         'transformVia404' => !$wgGenerateThumbnailOnParse,
 305                         'dbType' => $wgDBtype,
 306                         'dbServer' => $wgDBserver,
 307                         'dbUser' => $wgDBuser,
 308                         'dbPassword' => $wgDBpassword,
 309                         'dbName' => $wgSharedUploadDBname,
 310                         'dbFlags' => ( $wgDebugDumpSql ? DBO_DEBUG : 0 ) | DBO_DEFAULT,
 311                         'tablePrefix' => $wgSharedUploadDBprefix,
 312                         'hasSharedCache' => $wgCacheSharedUploads,
 313                         'descBaseUrl' => $wgRepositoryBaseUrl,
 314                         'fetchDescription' => $wgFetchCommonsDescriptions,
 315                 ];
 316         } else {
 317                 $wgForeignFileRepos[] = [
 318                         'class' => FileRepo::class,
 319                         'name' => 'shared',
 320                         'directory' => $wgSharedUploadDirectory,
 321                         'url' => $wgSharedUploadPath,
 322                         'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
 323                         'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
 324                         'transformVia404' => !$wgGenerateThumbnailOnParse,
 325                         'descBaseUrl' => $wgRepositoryBaseUrl,
 326                         'fetchDescription' => $wgFetchCommonsDescriptions,
 327                 ];
 328         }
 329 }
 330 if ( $wgUseInstantCommons ) {
 331         $wgForeignFileRepos[] = [
 332                 'class' => ForeignAPIRepo::class,
 333                 'name' => 'wikimediacommons',
 334                 'apibase' => 'https://commons.wikimedia.org/w/api.php',
 335                 'url' => 'https://upload.wikimedia.org/wikipedia/commons',
 336                 'thumbUrl' => 'https://upload.wikimedia.org/wikipedia/commons/thumb',
 337                 'hashLevels' => 2,
 338                 'transformVia404' => true,
 339                 'fetchDescription' => true,
 340                 'descriptionCacheExpiry' => 43200,
 341                 'apiThumbCacheExpiry' => 0,
 342         ];
 343 }
 344 /*
 345  * Add on default file backend config for file repos.
 346  * FileBackendGroup will handle initializing the backends.
 347  */
 348 if ( !isset( $wgLocalFileRepo['backend'] ) ) {
 349         $wgLocalFileRepo['backend'] = $wgLocalFileRepo['name'] . '-backend';
 350 }
 351 foreach ( $wgForeignFileRepos as &$repo ) {
 352         if ( !isset( $repo['directory'] ) && $repo['class'] === ForeignAPIRepo::class ) {
 353                 $repo['directory'] = $wgUploadDirectory; // b/c
 354         }
 355         if ( !isset( $repo['backend'] ) ) {
 356                 $repo['backend'] = $repo['name'] . '-backend';
 357         }
 358 }
 359 unset( $repo ); // no global pollution; destroy reference
 360
 361 // Convert this deprecated setting to modern system
 362 if ( $wgExperimentalHtmlIds ) {
 363         wfDeprecated( '$wgExperimentalHtmlIds', '1.30' );
 364         $wgFragmentMode = [ 'html5-legacy', 'html5' ];
 365 }
 366
 367 $rcMaxAgeDays = $wgRCMaxAge / ( 3600 * 24 );
 368 if ( $wgRCFilterByAge ) {
 369         // Trim down $wgRCLinkDays so that it only lists links which are valid
 370         // as determined by $wgRCMaxAge.
 371         // Note that we allow 1 link higher than the max for things like 56 days but a 60 day link.
 372         sort( $wgRCLinkDays );
 373
 374         // phpcs:ignore Generic.CodeAnalysis.ForLoopWithTestFunctionCall
 375         for ( $i = 0; $i < count( $wgRCLinkDays ); $i++ ) {
 376                 if ( $wgRCLinkDays[$i] >= $rcMaxAgeDays ) {
 377                         $wgRCLinkDays = array_slice( $wgRCLinkDays, 0, $i + 1, false );
 378                         break;
 379                 }
 380         }
 381 }
 382 // Ensure that default user options are not invalid, since that breaks Special:Preferences
 383 $wgDefaultUserOptions['rcdays'] = min(
 384         $wgDefaultUserOptions['rcdays'],
 385         ceil( $rcMaxAgeDays )
 386 );
 387 $wgDefaultUserOptions['watchlistdays'] = min(
 388         $wgDefaultUserOptions['watchlistdays'],
 389         ceil( $rcMaxAgeDays )
 390 );
 391 unset( $rcMaxAgeDays );
 392
 393 if ( $wgSkipSkin ) {
 394         $wgSkipSkins[] = $wgSkipSkin;
 395 }
 396
 397 $wgSkipSkins[] = 'fallback';
 398 $wgSkipSkins[] = 'apioutput';
 399
 400 if ( $wgLocalInterwiki ) {
 401         array_unshift( $wgLocalInterwikis, $wgLocalInterwiki );
 402 }
 403
 404 // Set default shared prefix
 405 if ( $wgSharedPrefix === false ) {
 406         $wgSharedPrefix = $wgDBprefix;
 407 }
 408
 409 // Set default shared schema
 410 if ( $wgSharedSchema === false ) {
 411         $wgSharedSchema = $wgDBmwschema;
 412 }
 413
 414 if ( !$wgCookiePrefix ) {
 415         if ( $wgSharedDB && $wgSharedPrefix && in_array( 'user', $wgSharedTables ) ) {
 416                 $wgCookiePrefix = $wgSharedDB . '_' . $wgSharedPrefix;
 417         } elseif ( $wgSharedDB && in_array( 'user', $wgSharedTables ) ) {
 418                 $wgCookiePrefix = $wgSharedDB;
 419         } elseif ( $wgDBprefix ) {
 420                 $wgCookiePrefix = $wgDBname . '_' . $wgDBprefix;
 421         } else {
 422                 $wgCookiePrefix = $wgDBname;
 423         }
 424 }
 425 $wgCookiePrefix = strtr( $wgCookiePrefix, '=,; +."\'\\[', '__________' );
 426
 427 if ( $wgEnableEmail ) {
 428         $wgUseEnotif = $wgEnotifUserTalk || $wgEnotifWatchlist;
 429 } else {
 430         // Disable all other email settings automatically if $wgEnableEmail
 431         // is set to false. - T65678
 432         $wgAllowHTMLEmail = false;
 433         $wgEmailAuthentication = false; // do not require auth if you're not sending email anyway
 434         $wgEnableUserEmail = false;
 435         $wgEnotifFromEditor = false;
 436         $wgEnotifImpersonal = false;
 437         $wgEnotifMaxRecips = 0;
 438         $wgEnotifMinorEdits = false;
 439         $wgEnotifRevealEditorAddress = false;
 440         $wgEnotifUseRealName = false;
 441         $wgEnotifUserTalk = false;
 442         $wgEnotifWatchlist = false;
 443         unset( $wgGroupPermissions['user']['sendemail'] );
 444         $wgUseEnotif = false;
 445         $wgUserEmailUseReplyTo = false;
 446         $wgUsersNotifiedOnAllChanges = [];
 447 }
 448
 449 if ( $wgMetaNamespace === false ) {
 450         $wgMetaNamespace = str_replace( ' ', '_', $wgSitename );
 451 }
 452
 453 // Default value is 2000 or the suhosin limit if it is between 1 and 2000
 454 if ( $wgResourceLoaderMaxQueryLength === false ) {
 455         $suhosinMaxValueLength = (int)ini_get( 'suhosin.get.max_value_length' );
 456         if ( $suhosinMaxValueLength > 0 && $suhosinMaxValueLength < 2000 ) {
 457                 $wgResourceLoaderMaxQueryLength = $suhosinMaxValueLength;
 458         } else {
 459                 $wgResourceLoaderMaxQueryLength = 2000;
 460         }
 461         unset( $suhosinMaxValueLength );
 462 }
 463
 464 // Ensure the minimum chunk size is less than PHP upload limits or the maximum
 465 // upload size.
 466 $wgMinUploadChunkSize = min(
 467         $wgMinUploadChunkSize,
 468         UploadBase::getMaxUploadSize( 'file' ),
 469         UploadBase::getMaxPhpUploadSize(),
 470         ( wfShorthandToInteger(
 471                 ini_get( 'post_max_size' ) ?: ini_get( 'hhvm.server.max_post_size' ),
 472                 PHP_INT_MAX
 473         ) ?: PHP_INT_MAX ) - 1024 // Leave some room for other POST parameters
 474 );
 475
 476 /**
 477  * Definitions of the NS_ constants are in Defines.php
 478  * @private
 479  */
 480 $wgCanonicalNamespaceNames = [
 481         NS_MEDIA            => 'Media',
 482         NS_SPECIAL          => 'Special',
 483         NS_TALK             => 'Talk',
 484         NS_USER             => 'User',
 485         NS_USER_TALK        => 'User_talk',
 486         NS_PROJECT          => 'Project',
 487         NS_PROJECT_TALK     => 'Project_talk',
 488         NS_FILE             => 'File',
 489         NS_FILE_TALK        => 'File_talk',
 490         NS_MEDIAWIKI        => 'MediaWiki',
 491         NS_MEDIAWIKI_TALK   => 'MediaWiki_talk',
 492         NS_TEMPLATE         => 'Template',
 493         NS_TEMPLATE_TALK    => 'Template_talk',
 494         NS_HELP             => 'Help',
 495         NS_HELP_TALK        => 'Help_talk',
 496         NS_CATEGORY         => 'Category',
 497         NS_CATEGORY_TALK    => 'Category_talk',
 498 ];
 499
 500 /// @todo UGLY UGLY
 501 if ( is_array( $wgExtraNamespaces ) ) {
 502         $wgCanonicalNamespaceNames = $wgCanonicalNamespaceNames + $wgExtraNamespaces;
 503 }
 504
 505 // Merge in the legacy language codes, incorporating overrides from the config
 506 $wgDummyLanguageCodes += [
 507         'qqq' => 'qqq', // Used for message documentation
 508         'qqx' => 'qqx', // Used for viewing message keys
 509 ] + $wgExtraLanguageCodes + LanguageCode::getDeprecatedCodeMapping();
 510
 511 // These are now the same, always
 512 // To determine the user language, use $wgLang->getCode()
 513 $wgContLanguageCode = $wgLanguageCode;
 514
 515 // Easy to forget to falsify $wgDebugToolbar for static caches.
 516 // If file cache or CDN cache is on, just disable this (DWIMD).
 517 if ( $wgUseFileCache || $wgUseSquid ) {
 518         $wgDebugToolbar = false;
 519 }
 520
 521 // We always output HTML5 since 1.22, overriding these is no longer supported
 522 // we set them here for extensions that depend on its value.
 523 $wgHtml5 = true;
 524 $wgXhtmlDefaultNamespace = 'http://www.w3.org/1999/xhtml';
 525 $wgJsMimeType = 'text/javascript';
 526
 527 // Blacklisted file extensions shouldn't appear on the "allowed" list
 528 $wgFileExtensions = array_values( array_diff( $wgFileExtensions, $wgFileBlacklist ) );
 529
 530 if ( $wgInvalidateCacheOnLocalSettingsChange ) {
 531         Wikimedia\suppressWarnings();
 532         $wgCacheEpoch = max( $wgCacheEpoch, gmdate( 'YmdHis', filemtime( "$IP/LocalSettings.php" ) ) );
 533         Wikimedia\restoreWarnings();
 534 }
 535
 536 if ( $wgNewUserLog ) {
 537         // Add a new log type
 538         $wgLogTypes[] = 'newusers';
 539         $wgLogNames['newusers'] = 'newuserlogpage';
 540         $wgLogHeaders['newusers'] = 'newuserlogpagetext';
 541         $wgLogActionsHandlers['newusers/newusers'] = NewUsersLogFormatter::class;
 542         $wgLogActionsHandlers['newusers/create'] = NewUsersLogFormatter::class;
 543         $wgLogActionsHandlers['newusers/create2'] = NewUsersLogFormatter::class;
 544         $wgLogActionsHandlers['newusers/byemail'] = NewUsersLogFormatter::class;
 545         $wgLogActionsHandlers['newusers/autocreate'] = NewUsersLogFormatter::class;
 546 }
 547
 548 if ( $wgPageLanguageUseDB ) {
 549         $wgLogTypes[] = 'pagelang';
 550         $wgLogActionsHandlers['pagelang/pagelang'] = PageLangLogFormatter::class;
 551 }
 552
 553 if ( $wgCookieSecure === 'detect' ) {
 554         $wgCookieSecure = ( WebRequest::detectProtocol() === 'https' );
 555 }
 556
 557 if ( $wgProfileOnly ) {
 558         $wgDebugLogGroups['profileoutput'] = $wgDebugLogFile;
 559         $wgDebugLogFile = '';
 560 }
 561
 562 // Backwards compatibility with old password limits
 563 if ( $wgMinimalPasswordLength !== false ) {
 564         $wgPasswordPolicy['policies']['default']['MinimalPasswordLength'] = $wgMinimalPasswordLength;
 565 }
 566
 567 if ( $wgMaximalPasswordLength !== false ) {
 568         $wgPasswordPolicy['policies']['default']['MaximalPasswordLength'] = $wgMaximalPasswordLength;
 569 }
 570
 571 // Backwards compatibility warning
 572 if ( !$wgSessionsInObjectCache ) {
 573         wfDeprecated( '$wgSessionsInObjectCache = false', '1.27' );
 574         if ( $wgSessionHandler ) {
 575                 wfDeprecated( '$wgSessionsHandler', '1.27' );
 576         }
 577         $cacheType = get_class( ObjectCache::getInstance( $wgSessionCacheType ) );
 578         wfDebugLog(
 579                 'caches',
 580                 "Session data will be stored in \"$cacheType\" cache with " .
 581                         "expiry $wgObjectCacheSessionExpiry seconds"
 582         );
 583 }
 584 $wgSessionsInObjectCache = true;
 585
 586 if ( $wgPHPSessionHandling !== 'enable' &&
 587         $wgPHPSessionHandling !== 'warn' &&
 588         $wgPHPSessionHandling !== 'disable'
 589 ) {
 590         $wgPHPSessionHandling = 'warn';
 591 }
 592 if ( defined( 'MW_NO_SESSION' ) ) {
 593         // If the entry point wants no session, force 'disable' here unless they
 594         // specifically set it to the (undocumented) 'warn'.
 595         $wgPHPSessionHandling = MW_NO_SESSION === 'warn' ? 'warn' : 'disable';
 596 }
 597
 598 Profiler::instance()->scopedProfileOut( $ps_default );
 599
 600 // Disable MWDebug for command line mode, this prevents MWDebug from eating up
 601 // all the memory from logging SQL queries on maintenance scripts
 602 global $wgCommandLineMode;
 603 if ( $wgDebugToolbar && !$wgCommandLineMode ) {
 604         MWDebug::init();
 605 }
 606
 607 // Reset the global service locator, so any services that have already been created will be
 608 // re-created while taking into account any custom settings and extensions.
 609 MediaWikiServices::resetGlobalInstance( new GlobalVarConfig(), 'quick' );
 610
 611 if ( $wgSharedDB && $wgSharedTables ) {
 612         // Apply $wgSharedDB table aliases for the local LB (all non-foreign DB connections)
 613         MediaWikiServices::getInstance()->getDBLoadBalancer()->setTableAliases(
 614                 array_fill_keys(
 615                         $wgSharedTables,
 616                         [
 617                                 'dbname' => $wgSharedDB,
 618                                 'schema' => $wgSharedSchema,
 619                                 'prefix' => $wgSharedPrefix
 620                         ]
 621                 )
 622         );
 623 }
 624
 625 // Define a constant that indicates that the bootstrapping of the service locator
 626 // is complete.
 627 define( 'MW_SERVICE_BOOTSTRAP_COMPLETE', 1 );
 628
 629 MWExceptionHandler::installHandler();
 630
 631 require_once "$IP/includes/compat/normal/UtfNormalUtil.php";
 632
 633 $ps_validation = Profiler::instance()->scopedProfileIn( $fname . '-validation' );
 634
 635 // T48998: Bail out early if $wgArticlePath is non-absolute
 636 foreach ( [ 'wgArticlePath', 'wgVariantArticlePath' ] as $varName ) {
 637         if ( $$varName && !preg_match( '/^(https?:\/\/|\/)/', $$varName ) ) {
 638                 throw new FatalError(
 639                         "If you use a relative URL for \$$varName, it must start " .
 640                         'with a slash (<code>/</code>).<br><br>See ' .
 641                         "<a href=\"https://www.mediawiki.org/wiki/Manual:\$$varName\">" .
 642                         "https://www.mediawiki.org/wiki/Manual:\$$varName</a>."
 643                 );
 644         }
 645 }
 646
 647 Profiler::instance()->scopedProfileOut( $ps_validation );
 648
 649 $ps_default2 = Profiler::instance()->scopedProfileIn( $fname . '-defaults2' );
 650
 651 if ( $wgCanonicalServer === false ) {
 652         $wgCanonicalServer = wfExpandUrl( $wgServer, PROTO_HTTP );
 653 }
 654
 655 // Set server name
 656 $serverParts = wfParseUrl( $wgCanonicalServer );
 657 if ( $wgServerName !== false ) {
 658         wfWarn( '$wgServerName should be derived from $wgCanonicalServer, '
 659                 . 'not customized. Overwriting $wgServerName.' );
 660 }
 661 $wgServerName = $serverParts['host'];
 662 unset( $serverParts );
 663
 664 // Set defaults for configuration variables
 665 // that are derived from the server name by default
 666 // Note: $wgEmergencyContact and $wgPasswordSender may be false or empty string (T104142)
 667 if ( !$wgEmergencyContact ) {
 668         $wgEmergencyContact = 'wikiadmin@' . $wgServerName;
 669 }
 670 if ( !$wgPasswordSender ) {
 671         $wgPasswordSender = 'apache@' . $wgServerName;
 672 }
 673 if ( !$wgNoReplyAddress ) {
 674         $wgNoReplyAddress = $wgPasswordSender;
 675 }
 676
 677 if ( $wgSecureLogin && substr( $wgServer, 0, 2 ) !== '//' ) {
 678         $wgSecureLogin = false;
 679         wfWarn( 'Secure login was enabled on a server that only supports '
 680                 . 'HTTP or HTTPS. Disabling secure login.' );
 681 }
 682
 683 $wgVirtualRestConfig['global']['domain'] = $wgCanonicalServer;
 684
 685 // Now that GlobalFunctions is loaded, set defaults that depend on it.
 686 if ( $wgTmpDirectory === false ) {
 687         $wgTmpDirectory = wfTempDir();
 688 }
 689
 690 // We don't use counters anymore. Left here for extensions still
 691 // expecting this to exist. Should be removed sometime 1.26 or later.
 692 if ( !isset( $wgDisableCounters ) ) {
 693         $wgDisableCounters = true;
 694 }
 695
 696 if ( $wgMainWANCache === false ) {
 697         // Setup a WAN cache from $wgMainCacheType with no relayer.
 698         // Sites using multiple datacenters can configure a relayer.
 699         $wgMainWANCache = 'mediawiki-main-default';
 700         $wgWANObjectCaches[$wgMainWANCache] = [
 701                 'class'    => WANObjectCache::class,
 702                 'cacheId'  => $wgMainCacheType,
 703                 'channels' => [ 'purge' => 'wancache-main-default-purge' ]
 704         ];
 705 }
 706
 707 Profiler::instance()->scopedProfileOut( $ps_default2 );
 708
 709 $ps_misc = Profiler::instance()->scopedProfileIn( $fname . '-misc1' );
 710
 711 // Raise the memory limit if it's too low
 712 wfMemoryLimit();
 713
 714 /**
 715  * Set up the timezone, suppressing the pseudo-security warning in PHP 5.1+
 716  * that happens whenever you use a date function without the timezone being
 717  * explicitly set. Inspired by phpMyAdmin's treatment of the problem.
 718  */
 719 if ( is_null( $wgLocaltimezone ) ) {
 720         Wikimedia\suppressWarnings();
 721         $wgLocaltimezone = date_default_timezone_get();
 722         Wikimedia\restoreWarnings();
 723 }
 724
 725 date_default_timezone_set( $wgLocaltimezone );
 726 if ( is_null( $wgLocalTZoffset ) ) {
 727         $wgLocalTZoffset = date( 'Z' ) / 60;
 728 }
 729 // The part after the System| is ignored, but rest of MW fills it
 730 // out as the local offset.
 731 $wgDefaultUserOptions['timecorrection'] = "System|$wgLocalTZoffset";
 732
 733 if ( !$wgDBerrorLogTZ ) {
 734         $wgDBerrorLogTZ = $wgLocaltimezone;
 735 }
 736
 737 // Initialize the request object in $wgRequest
 738 $wgRequest = RequestContext::getMain()->getRequest(); // BackCompat
 739 // Set user IP/agent information for agent session consistency purposes
 740 MediaWikiServices::getInstance()->getDBLoadBalancerFactory()->setRequestInfo( [
 741         'IPAddress' => $wgRequest->getIP(),
 742         'UserAgent' => $wgRequest->getHeader( 'User-Agent' ),
 743         'ChronologyProtection' => $wgRequest->getHeader( 'ChronologyProtection' ),
 744         // The cpPosIndex cookie has no prefix and is set by MediaWiki::preOutputCommit()
 745         'ChronologyPositionIndex' =>
 746                 $wgRequest->getInt( 'cpPosIndex', (int)$wgRequest->getCookie( 'cpPosIndex', '' ) )
 747 ] );
 748 // Make sure that object caching does not undermine the ChronologyProtector improvements
 749 if ( $wgRequest->getCookie( 'UseDC', '' ) === 'master' ) {
 750         // The user is pinned to the primary DC, meaning that they made recent changes which should
 751         // be reflected in their subsequent web requests. Avoid the use of interim cache keys because
 752         // they use a blind TTL and could be stale if an object changes twice in a short time span.
 753         MediaWikiServices::getInstance()->getMainWANObjectCache()->useInterimHoldOffCaching( false );
 754 }
 755
 756 // Useful debug output
 757 if ( $wgCommandLineMode ) {
 758         wfDebug( "\n\nStart command line script $self\n" );
 759 } else {
 760         $debug = "\n\nStart request {$wgRequest->getMethod()} {$wgRequest->getRequestURL()}\n";
 761
 762         if ( $wgDebugPrintHttpHeaders ) {
 763                 $debug .= "HTTP HEADERS:\n";
 764
 765                 foreach ( $wgRequest->getAllHeaders() as $name => $value ) {
 766                         $debug .= "$name: $value\n";
 767                 }
 768         }
 769         wfDebug( $debug );
 770 }
 771
 772 Profiler::instance()->scopedProfileOut( $ps_misc );
 773 $ps_memcached = Profiler::instance()->scopedProfileIn( $fname . '-memcached' );
 774
 775 $wgMemc = wfGetMainCache();
 776 $messageMemc = wfGetMessageCacheStorage();
 777
 778 /**
 779  * @deprecated since 1.30
 780  */
 781 $parserMemc = new DeprecatedGlobal( 'parserMemc', function () {
 782         return MediaWikiServices::getInstance()->getParserCache()->getCacheStorage();
 783 }, '1.30' );
 784
 785 wfDebugLog( 'caches',
 786         'cluster: ' . get_class( $wgMemc ) .
 787         ', WAN: ' . ( $wgMainWANCache === CACHE_NONE ? 'CACHE_NONE' : $wgMainWANCache ) .
 788         ', stash: ' . $wgMainStash .
 789         ', message: ' . get_class( $messageMemc ) .
 790         ', session: ' . get_class( ObjectCache::getInstance( $wgSessionCacheType ) )
 791 );
 792
 793 Profiler::instance()->scopedProfileOut( $ps_memcached );
 794
 795 // Most of the config is out, some might want to run hooks here.
 796 Hooks::run( 'SetupAfterCache' );
 797
 798 $ps_globals = Profiler::instance()->scopedProfileIn( $fname . '-globals' );
 799
 800 /**
 801  * @var Language $wgContLang
 802  */
 803 $wgContLang = Language::factory( $wgLanguageCode );
 804 $wgContLang->initContLang();
 805
 806 // Now that variant lists may be available...
 807 $wgRequest->interpolateTitle();
 808
 809 if ( !is_object( $wgAuth ) ) {
 810         $wgAuth = new MediaWiki\Auth\AuthManagerAuthPlugin;
 811         Hooks::run( 'AuthPluginSetup', [ &$wgAuth ] );
 812 }
 813 if ( $wgAuth && !$wgAuth instanceof MediaWiki\Auth\AuthManagerAuthPlugin ) {
 814         MediaWiki\Auth\AuthManager::singleton()->forcePrimaryAuthenticationProviders( [
 815                 new MediaWiki\Auth\TemporaryPasswordPrimaryAuthenticationProvider( [
 816                         'authoritative' => false,
 817                 ] ),
 818                 new MediaWiki\Auth\AuthPluginPrimaryAuthenticationProvider( $wgAuth ),
 819                 new MediaWiki\Auth\LocalPasswordPrimaryAuthenticationProvider( [
 820                         'authoritative' => true,
 821                 ] ),
 822         ], '$wgAuth is ' . get_class( $wgAuth ) );
 823 }
 824
 825 // Set up the session
 826 $ps_session = Profiler::instance()->scopedProfileIn( $fname . '-session' );
 827 /**
 828  * @var MediaWiki\Session\SessionId|null $wgInitialSessionId The persistent
 829  * session ID (if any) loaded at startup
 830  */
 831 $wgInitialSessionId = null;
 832 if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
 833         // If session.auto_start is there, we can't touch session name
 834         if ( $wgPHPSessionHandling !== 'disable' && !wfIniGetBool( 'session.auto_start' ) ) {
 835                 session_name( $wgSessionName ? $wgSessionName : $wgCookiePrefix . '_session' );
 836         }
 837
 838         // Create the SessionManager singleton and set up our session handler,
 839         // unless we're specifically asked not to.
 840         if ( !defined( 'MW_NO_SESSION_HANDLER' ) ) {
 841                 MediaWiki\Session\PHPSessionHandler::install(
 842                         MediaWiki\Session\SessionManager::singleton()
 843                 );
 844         }
 845
 846         // Initialize the session
 847         try {
 848                 $session = MediaWiki\Session\SessionManager::getGlobalSession();
 849         } catch ( OverflowException $ex ) {
 850                 if ( isset( $ex->sessionInfos ) && count( $ex->sessionInfos ) >= 2 ) {
 851                         // The exception is because the request had multiple possible
 852                         // sessions tied for top priority. Report this to the user.
 853                         $list = [];
 854                         foreach ( $ex->sessionInfos as $info ) {
 855                                 $list[] = $info->getProvider()->describe( $wgContLang );
 856                         }
 857                         $list = $wgContLang->listToText( $list );
 858                         throw new HttpError( 400,
 859                                 Message::newFromKey( 'sessionmanager-tie', $list )->inLanguage( $wgContLang )->plain()
 860                         );
 861                 }
 862
 863                 // Not the one we want, rethrow
 864                 throw $ex;
 865         }
 866
 867         if ( $session->isPersistent() ) {
 868                 $wgInitialSessionId = $session->getSessionId();
 869         }
 870
 871         $session->renew();
 872         if ( MediaWiki\Session\PHPSessionHandler::isEnabled() &&
 873                 ( $session->isPersistent() || $session->shouldRememberUser() )
 874         ) {
 875                 // Start the PHP-session for backwards compatibility
 876                 session_id( $session->getId() );
 877                 Wikimedia\quietCall( 'session_start' );
 878         }
 879
 880         unset( $session );
 881 } else {
 882         // Even if we didn't set up a global Session, still install our session
 883         // handler unless specifically requested not to.
 884         if ( !defined( 'MW_NO_SESSION_HANDLER' ) ) {
 885                 MediaWiki\Session\PHPSessionHandler::install(
 886                         MediaWiki\Session\SessionManager::singleton()
 887                 );
 888         }
 889 }
 890 Profiler::instance()->scopedProfileOut( $ps_session );
 891
 892 /**
 893  * @var User $wgUser
 894  */
 895 $wgUser = RequestContext::getMain()->getUser(); // BackCompat
 896
 897 /**
 898  * @var Language $wgLang
 899  */
 900 $wgLang = new StubUserLang;
 901
 902 /**
 903  * @var OutputPage $wgOut
 904  */
 905 $wgOut = RequestContext::getMain()->getOutput(); // BackCompat
 906
 907 /**
 908  * @var Parser $wgParser
 909  */
 910 $wgParser = new StubObject( 'wgParser', function () {
 911         return MediaWikiServices::getInstance()->getParser();
 912 } );
 913
 914 /**
 915  * @var Title $wgTitle
 916  */
 917 $wgTitle = null;
 918
 919 Profiler::instance()->scopedProfileOut( $ps_globals );
 920 $ps_extensions = Profiler::instance()->scopedProfileIn( $fname . '-extensions' );
 921
 922 // Extension setup functions
 923 // Entries should be added to this variable during the inclusion
 924 // of the extension file. This allows the extension to perform
 925 // any necessary initialisation in the fully initialised environment
 926 foreach ( $wgExtensionFunctions as $func ) {
 927         // Allow closures in PHP 5.3+
 928         if ( is_object( $func ) && $func instanceof Closure ) {
 929                 $profName = $fname . '-extensions-closure';
 930         } elseif ( is_array( $func ) ) {
 931                 if ( is_object( $func[0] ) ) {
 932                         $profName = $fname . '-extensions-' . get_class( $func[0] ) . '::' . $func[1];
 933                 } else {
 934                         $profName = $fname . '-extensions-' . implode( '::', $func );
 935                 }
 936         } else {
 937                 $profName = $fname . '-extensions-' . strval( $func );
 938         }
 939
 940         $ps_ext_func = Profiler::instance()->scopedProfileIn( $profName );
 941         call_user_func( $func );
 942         Profiler::instance()->scopedProfileOut( $ps_ext_func );
 943 }
 944
 945 // If the session user has a 0 id but a valid name, that means we need to
 946 // autocreate it.
 947 if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
 948         $sessionUser = MediaWiki\Session\SessionManager::getGlobalSession()->getUser();
 949         if ( $sessionUser->getId() === 0 && User::isValidUserName( $sessionUser->getName() ) ) {
 950                 $ps_autocreate = Profiler::instance()->scopedProfileIn( $fname . '-autocreate' );
 951                 $res = MediaWiki\Auth\AuthManager::singleton()->autoCreateUser(
 952                         $sessionUser,
 953                         MediaWiki\Auth\AuthManager::AUTOCREATE_SOURCE_SESSION,
 954                         true
 955                 );
 956                 Profiler::instance()->scopedProfileOut( $ps_autocreate );
 957                 \MediaWiki\Logger\LoggerFactory::getInstance( 'authevents' )->info( 'Autocreation attempt', [
 958                         'event' => 'autocreate',
 959                         'status' => $res,
 960                 ] );
 961                 unset( $res );
 962         }
 963         unset( $sessionUser );
 964 }
 965
 966 if ( !$wgCommandLineMode ) {
 967         Pingback::schedulePingback();
 968 }
 969
 970 $wgFullyInitialised = true;
 971
 972 Profiler::instance()->scopedProfileOut( $ps_extensions );
 973 Profiler::instance()->scopedProfileOut( $ps_setup );