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 // Sanity check (T5782, T122807)
  41 if ( ini_get( 'mbstring.func_overload' ) ) {
  42         die( 'MediaWiki does not support installations where mbstring.func_overload is non-zero.' );
  43 }
  44
  45 // Start the autoloader, so that extensions can derive classes from core files
  46 require_once "$IP/includes/AutoLoader.php";
  47
  48 // Load up some global defines
  49 require_once "$IP/includes/Defines.php";
  50
  51 // Load default settings
  52 require_once "$IP/includes/DefaultSettings.php";
  53
  54 // Load global functions
  55 require_once "$IP/includes/GlobalFunctions.php";
  56
  57 // Load composer's autoloader if present
  58 if ( is_readable( "$IP/vendor/autoload.php" ) ) {
  59         require_once "$IP/vendor/autoload.php";
  60 }
  61
  62 // Assert that composer dependencies were successfully loaded
  63 // Purposely no leading \ due to it breaking HHVM RepoAuthorative mode
  64 // PHP works fine with both versions
  65 // See https://github.com/facebook/hhvm/issues/5833
  66 if ( !interface_exists( 'Psr\Log\LoggerInterface' ) ) {
  67         $message = (
  68                 'MediaWiki requires the <a href="https://github.com/php-fig/log">PSR-3 logging ' .
  69                 "library</a> to be present. This library is not embedded directly in MediaWiki's " .
  70                 "git repository and must be installed separately by the end user.\n\n" .
  71                 'Please see <a href="https://www.mediawiki.org/wiki/Download_from_Git' .
  72                 '#Fetch_external_libraries">mediawiki.org</a> for help on installing ' .
  73                 'the required components.'
  74         );
  75         echo $message;
  76         trigger_error( $message, E_USER_ERROR );
  77         die( 1 );
  78 }
  79
  80 // Install a header callback
  81 MediaWiki\HeaderCallback::register();
  82
  83 /**
  84  * Load LocalSettings.php
  85  */
  86
  87 if ( is_readable( "$IP/StartProfiler.php" ) ) {
  88         // @deprecated since 1.32: Use LocalSettings.php instead.
  89         require "$IP/StartProfiler.php";
  90 }
  91
  92 if ( defined( 'MW_CONFIG_CALLBACK' ) ) {
  93         call_user_func( MW_CONFIG_CALLBACK );
  94 } else {
  95         if ( !defined( 'MW_CONFIG_FILE' ) ) {
  96                 define( 'MW_CONFIG_FILE', "$IP/LocalSettings.php" );
  97         }
  98         require_once MW_CONFIG_FILE;
  99 }
 100
 101 /**
 102  * Customization point after all loading (constants, functions, classes,
 103  * DefaultSettings, LocalSettings). Specifically, this is before usage of
 104  * settings, before instantiation of Profiler (and other singletons), and
 105  * before any setup functions or hooks run.
 106  */
 107
 108 if ( defined( 'MW_SETUP_CALLBACK' ) ) {
 109         call_user_func( MW_SETUP_CALLBACK );
 110 }
 111
 112 /**
 113  * Main setup
 114  */
 115
 116 $fname = 'Setup.php';
 117 $ps_setup = Profiler::instance()->scopedProfileIn( $fname );
 118
 119 // Load queued extensions
 120 ExtensionRegistry::getInstance()->loadFromQueue();
 121 // Don't let any other extensions load
 122 ExtensionRegistry::getInstance()->finish();
 123
 124 // Check to see if we are at the file scope
 125 if ( !isset( $wgVersion ) ) {
 126         echo "Error, Setup.php must be included from the file scope, after DefaultSettings.php\n";
 127         die( 1 );
 128 }
 129
 130 mb_internal_encoding( 'UTF-8' );
 131
 132 // Set the configured locale on all requests for consisteny
 133 putenv( "LC_ALL=$wgShellLocale" );
 134 setlocale( LC_ALL, $wgShellLocale );
 135
 136 // Set various default paths sensibly...
 137 $ps_default = Profiler::instance()->scopedProfileIn( $fname . '-defaults' );
 138
 139 if ( $wgScript === false ) {
 140         $wgScript = "$wgScriptPath/index.php";
 141 }
 142 if ( $wgLoadScript === false ) {
 143         $wgLoadScript = "$wgScriptPath/load.php";
 144 }
 145
 146 if ( $wgArticlePath === false ) {
 147         if ( $wgUsePathInfo ) {
 148                 $wgArticlePath = "$wgScript/$1";
 149         } else {
 150                 $wgArticlePath = "$wgScript?title=$1";
 151         }
 152 }
 153
 154 if ( !empty( $wgActionPaths ) && !isset( $wgActionPaths['view'] ) ) {
 155         // 'view' is assumed the default action path everywhere in the code
 156         // but is rarely filled in $wgActionPaths
 157         $wgActionPaths['view'] = $wgArticlePath;
 158 }
 159
 160 if ( $wgResourceBasePath === null ) {
 161         $wgResourceBasePath = $wgScriptPath;
 162 }
 163 if ( $wgStylePath === false ) {
 164         $wgStylePath = "$wgResourceBasePath/skins";
 165 }
 166 if ( $wgLocalStylePath === false ) {
 167         // Avoid wgResourceBasePath here since that may point to a different domain (e.g. CDN)
 168         $wgLocalStylePath = "$wgScriptPath/skins";
 169 }
 170 if ( $wgExtensionAssetsPath === false ) {
 171         $wgExtensionAssetsPath = "$wgResourceBasePath/extensions";
 172 }
 173
 174 if ( $wgLogo === false ) {
 175         $wgLogo = "$wgResourceBasePath/resources/assets/wiki.png";
 176 }
 177
 178 if ( $wgUploadPath === false ) {
 179         $wgUploadPath = "$wgScriptPath/images";
 180 }
 181 if ( $wgUploadDirectory === false ) {
 182         $wgUploadDirectory = "$IP/images";
 183 }
 184 if ( $wgReadOnlyFile === false ) {
 185         $wgReadOnlyFile = "{$wgUploadDirectory}/lock_yBgMBwiR";
 186 }
 187 if ( $wgFileCacheDirectory === false ) {
 188         $wgFileCacheDirectory = "{$wgUploadDirectory}/cache";
 189 }
 190 if ( $wgDeletedDirectory === false ) {
 191         $wgDeletedDirectory = "{$wgUploadDirectory}/deleted";
 192 }
 193
 194 if ( $wgGitInfoCacheDirectory === false && $wgCacheDirectory !== false ) {
 195         $wgGitInfoCacheDirectory = "{$wgCacheDirectory}/gitinfo";
 196 }
 197
 198 if ( $wgEnableParserCache === false ) {
 199         $wgParserCacheType = CACHE_NONE;
 200 }
 201
 202 // Fix path to icon images after they were moved in 1.24
 203 if ( $wgRightsIcon ) {
 204         $wgRightsIcon = str_replace(
 205                 "{$wgStylePath}/common/images/",
 206                 "{$wgResourceBasePath}/resources/assets/licenses/",
 207                 $wgRightsIcon
 208         );
 209 }
 210
 211 if ( isset( $wgFooterIcons['copyright']['copyright'] )
 212         && $wgFooterIcons['copyright']['copyright'] === []
 213 ) {
 214         if ( $wgRightsIcon || $wgRightsText ) {
 215                 $wgFooterIcons['copyright']['copyright'] = [
 216                         'url' => $wgRightsUrl,
 217                         'src' => $wgRightsIcon,
 218                         'alt' => $wgRightsText,
 219                 ];
 220         }
 221 }
 222
 223 if ( isset( $wgFooterIcons['poweredby'] )
 224         && isset( $wgFooterIcons['poweredby']['mediawiki'] )
 225         && $wgFooterIcons['poweredby']['mediawiki']['src'] === null
 226 ) {
 227         $wgFooterIcons['poweredby']['mediawiki']['src'] =
 228                 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_88x31.png";
 229         $wgFooterIcons['poweredby']['mediawiki']['srcset'] =
 230                 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_132x47.png 1.5x, " .
 231                 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_176x62.png 2x";
 232 }
 233
 234 /**
 235  * Unconditional protection for NS_MEDIAWIKI since otherwise it's too easy for a
 236  * sysadmin to set $wgNamespaceProtection incorrectly and leave the wiki insecure.
 237  *
 238  * Note that this is the definition of editinterface and it can be granted to
 239  * all users if desired.
 240  */
 241 $wgNamespaceProtection[NS_MEDIAWIKI] = 'editinterface';
 242
 243 /**
 244  * The canonical names of namespaces 6 and 7 are, as of v1.14, "File"
 245  * and "File_talk".  The old names "Image" and "Image_talk" are
 246  * retained as aliases for backwards compatibility.
 247  */
 248 $wgNamespaceAliases['Image'] = NS_FILE;
 249 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
 250
 251 /**
 252  * Initialise $wgLockManagers to include basic FS version
 253  */
 254 $wgLockManagers[] = [
 255         'name' => 'fsLockManager',
 256         'class' => FSLockManager::class,
 257         'lockDirectory' => "{$wgUploadDirectory}/lockdir",
 258 ];
 259 $wgLockManagers[] = [
 260         'name' => 'nullLockManager',
 261         'class' => NullLockManager::class,
 262 ];
 263
 264 /**
 265  * Default parameters for the "<gallery>" tag.
 266  * @see DefaultSettings.php for description of the fields.
 267  */
 268 $wgGalleryOptions += [
 269         'imagesPerRow' => 0,
 270         'imageWidth' => 120,
 271         'imageHeight' => 120,
 272         'captionLength' => true,
 273         'showBytes' => true,
 274         'showDimensions' => true,
 275         'mode' => 'traditional',
 276 ];
 277
 278 /**
 279  * Initialise $wgLocalFileRepo from backwards-compatible settings
 280  */
 281 if ( !$wgLocalFileRepo ) {
 282         $wgLocalFileRepo = [
 283                 'class' => LocalRepo::class,
 284                 'name' => 'local',
 285                 'directory' => $wgUploadDirectory,
 286                 'scriptDirUrl' => $wgScriptPath,
 287                 'url' => $wgUploadBaseUrl ? $wgUploadBaseUrl . $wgUploadPath : $wgUploadPath,
 288                 'hashLevels' => $wgHashedUploadDirectory ? 2 : 0,
 289                 'thumbScriptUrl' => $wgThumbnailScriptPath,
 290                 'transformVia404' => !$wgGenerateThumbnailOnParse,
 291                 'deletedDir' => $wgDeletedDirectory,
 292                 'deletedHashLevels' => $wgHashedUploadDirectory ? 3 : 0
 293         ];
 294 }
 295 /**
 296  * Initialise shared repo from backwards-compatible settings
 297  */
 298 if ( $wgUseSharedUploads ) {
 299         if ( $wgSharedUploadDBname ) {
 300                 $wgForeignFileRepos[] = [
 301                         'class' => ForeignDBRepo::class,
 302                         'name' => 'shared',
 303                         'directory' => $wgSharedUploadDirectory,
 304                         'url' => $wgSharedUploadPath,
 305                         'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
 306                         'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
 307                         'transformVia404' => !$wgGenerateThumbnailOnParse,
 308                         'dbType' => $wgDBtype,
 309                         'dbServer' => $wgDBserver,
 310                         'dbUser' => $wgDBuser,
 311                         'dbPassword' => $wgDBpassword,
 312                         'dbName' => $wgSharedUploadDBname,
 313                         'dbFlags' => ( $wgDebugDumpSql ? DBO_DEBUG : 0 ) | DBO_DEFAULT,
 314                         'tablePrefix' => $wgSharedUploadDBprefix,
 315                         'hasSharedCache' => $wgCacheSharedUploads,
 316                         'descBaseUrl' => $wgRepositoryBaseUrl,
 317                         'fetchDescription' => $wgFetchCommonsDescriptions,
 318                 ];
 319         } else {
 320                 $wgForeignFileRepos[] = [
 321                         'class' => FileRepo::class,
 322                         'name' => 'shared',
 323                         'directory' => $wgSharedUploadDirectory,
 324                         'url' => $wgSharedUploadPath,
 325                         'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
 326                         'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
 327                         'transformVia404' => !$wgGenerateThumbnailOnParse,
 328                         'descBaseUrl' => $wgRepositoryBaseUrl,
 329                         'fetchDescription' => $wgFetchCommonsDescriptions,
 330                 ];
 331         }
 332 }
 333 if ( $wgUseInstantCommons ) {
 334         $wgForeignFileRepos[] = [
 335                 'class' => ForeignAPIRepo::class,
 336                 'name' => 'wikimediacommons',
 337                 'apibase' => 'https://commons.wikimedia.org/w/api.php',
 338                 'url' => 'https://upload.wikimedia.org/wikipedia/commons',
 339                 'thumbUrl' => 'https://upload.wikimedia.org/wikipedia/commons/thumb',
 340                 'hashLevels' => 2,
 341                 'transformVia404' => true,
 342                 'fetchDescription' => true,
 343                 'descriptionCacheExpiry' => 43200,
 344                 'apiThumbCacheExpiry' => 0,
 345         ];
 346 }
 347 /*
 348  * Add on default file backend config for file repos.
 349  * FileBackendGroup will handle initializing the backends.
 350  */
 351 if ( !isset( $wgLocalFileRepo['backend'] ) ) {
 352         $wgLocalFileRepo['backend'] = $wgLocalFileRepo['name'] . '-backend';
 353 }
 354 foreach ( $wgForeignFileRepos as &$repo ) {
 355         if ( !isset( $repo['directory'] ) && $repo['class'] === ForeignAPIRepo::class ) {
 356                 $repo['directory'] = $wgUploadDirectory; // b/c
 357         }
 358         if ( !isset( $repo['backend'] ) ) {
 359                 $repo['backend'] = $repo['name'] . '-backend';
 360         }
 361 }
 362 unset( $repo ); // no global pollution; destroy reference
 363
 364 $rcMaxAgeDays = $wgRCMaxAge / ( 3600 * 24 );
 365 if ( $wgRCFilterByAge ) {
 366         // Trim down $wgRCLinkDays so that it only lists links which are valid
 367         // as determined by $wgRCMaxAge.
 368         // Note that we allow 1 link higher than the max for things like 56 days but a 60 day link.
 369         sort( $wgRCLinkDays );
 370
 371         // phpcs:ignore Generic.CodeAnalysis.ForLoopWithTestFunctionCall
 372         for ( $i = 0; $i < count( $wgRCLinkDays ); $i++ ) {
 373                 if ( $wgRCLinkDays[$i] >= $rcMaxAgeDays ) {
 374                         $wgRCLinkDays = array_slice( $wgRCLinkDays, 0, $i + 1, false );
 375                         break;
 376                 }
 377         }
 378 }
 379 // Ensure that default user options are not invalid, since that breaks Special:Preferences
 380 $wgDefaultUserOptions['rcdays'] = min(
 381         $wgDefaultUserOptions['rcdays'],
 382         ceil( $rcMaxAgeDays )
 383 );
 384 $wgDefaultUserOptions['watchlistdays'] = min(
 385         $wgDefaultUserOptions['watchlistdays'],
 386         ceil( $rcMaxAgeDays )
 387 );
 388 unset( $rcMaxAgeDays );
 389
 390 if ( $wgSkipSkin ) {
 391         $wgSkipSkins[] = $wgSkipSkin;
 392 }
 393
 394 $wgSkipSkins[] = 'fallback';
 395 $wgSkipSkins[] = 'apioutput';
 396
 397 if ( $wgLocalInterwiki ) {
 398         array_unshift( $wgLocalInterwikis, $wgLocalInterwiki );
 399 }
 400
 401 // Set default shared prefix
 402 if ( $wgSharedPrefix === false ) {
 403         $wgSharedPrefix = $wgDBprefix;
 404 }
 405
 406 // Set default shared schema
 407 if ( $wgSharedSchema === false ) {
 408         $wgSharedSchema = $wgDBmwschema;
 409 }
 410
 411 if ( !$wgCookiePrefix ) {
 412         if ( $wgSharedDB && $wgSharedPrefix && in_array( 'user', $wgSharedTables ) ) {
 413                 $wgCookiePrefix = $wgSharedDB . '_' . $wgSharedPrefix;
 414         } elseif ( $wgSharedDB && in_array( 'user', $wgSharedTables ) ) {
 415                 $wgCookiePrefix = $wgSharedDB;
 416         } elseif ( $wgDBprefix ) {
 417                 $wgCookiePrefix = $wgDBname . '_' . $wgDBprefix;
 418         } else {
 419                 $wgCookiePrefix = $wgDBname;
 420         }
 421 }
 422 $wgCookiePrefix = strtr( $wgCookiePrefix, '=,; +."\'\\[', '__________' );
 423
 424 if ( $wgEnableEmail ) {
 425         $wgUseEnotif = $wgEnotifUserTalk || $wgEnotifWatchlist;
 426 } else {
 427         // Disable all other email settings automatically if $wgEnableEmail
 428         // is set to false. - T65678
 429         $wgAllowHTMLEmail = false;
 430         $wgEmailAuthentication = false; // do not require auth if you're not sending email anyway
 431         $wgEnableUserEmail = false;
 432         $wgEnotifFromEditor = false;
 433         $wgEnotifImpersonal = false;
 434         $wgEnotifMaxRecips = 0;
 435         $wgEnotifMinorEdits = false;
 436         $wgEnotifRevealEditorAddress = false;
 437         $wgEnotifUseRealName = false;
 438         $wgEnotifUserTalk = false;
 439         $wgEnotifWatchlist = false;
 440         unset( $wgGroupPermissions['user']['sendemail'] );
 441         $wgUseEnotif = false;
 442         $wgUserEmailUseReplyTo = false;
 443         $wgUsersNotifiedOnAllChanges = [];
 444 }
 445
 446 if ( $wgMetaNamespace === false ) {
 447         $wgMetaNamespace = str_replace( ' ', '_', $wgSitename );
 448 }
 449
 450 // Default value is 2000 or the suhosin limit if it is between 1 and 2000
 451 if ( $wgResourceLoaderMaxQueryLength === false ) {
 452         $suhosinMaxValueLength = (int)ini_get( 'suhosin.get.max_value_length' );
 453         if ( $suhosinMaxValueLength > 0 && $suhosinMaxValueLength < 2000 ) {
 454                 $wgResourceLoaderMaxQueryLength = $suhosinMaxValueLength;
 455         } else {
 456                 $wgResourceLoaderMaxQueryLength = 2000;
 457         }
 458         unset( $suhosinMaxValueLength );
 459 }
 460
 461 // Ensure the minimum chunk size is less than PHP upload limits or the maximum
 462 // upload size.
 463 $wgMinUploadChunkSize = min(
 464         $wgMinUploadChunkSize,
 465         UploadBase::getMaxUploadSize( 'file' ),
 466         UploadBase::getMaxPhpUploadSize(),
 467         ( wfShorthandToInteger(
 468                 ini_get( 'post_max_size' ) ?: ini_get( 'hhvm.server.max_post_size' ),
 469                 PHP_INT_MAX
 470         ) ?: PHP_INT_MAX ) - 1024 // Leave some room for other POST parameters
 471 );
 472
 473 /**
 474  * Definitions of the NS_ constants are in Defines.php
 475  * @private
 476  */
 477 $wgCanonicalNamespaceNames = [
 478         NS_MEDIA            => 'Media',
 479         NS_SPECIAL          => 'Special',
 480         NS_TALK             => 'Talk',
 481         NS_USER             => 'User',
 482         NS_USER_TALK        => 'User_talk',
 483         NS_PROJECT          => 'Project',
 484         NS_PROJECT_TALK     => 'Project_talk',
 485         NS_FILE             => 'File',
 486         NS_FILE_TALK        => 'File_talk',
 487         NS_MEDIAWIKI        => 'MediaWiki',
 488         NS_MEDIAWIKI_TALK   => 'MediaWiki_talk',
 489         NS_TEMPLATE         => 'Template',
 490         NS_TEMPLATE_TALK    => 'Template_talk',
 491         NS_HELP             => 'Help',
 492         NS_HELP_TALK        => 'Help_talk',
 493         NS_CATEGORY         => 'Category',
 494         NS_CATEGORY_TALK    => 'Category_talk',
 495 ];
 496
 497 /// @todo UGLY UGLY
 498 if ( is_array( $wgExtraNamespaces ) ) {
 499         $wgCanonicalNamespaceNames = $wgCanonicalNamespaceNames + $wgExtraNamespaces;
 500 }
 501
 502 // Merge in the legacy language codes, incorporating overrides from the config
 503 $wgDummyLanguageCodes += [
 504         'qqq' => 'qqq', // Used for message documentation
 505         'qqx' => 'qqx', // Used for viewing message keys
 506 ] + $wgExtraLanguageCodes + LanguageCode::getDeprecatedCodeMapping();
 507
 508 // These are now the same, always
 509 // To determine the user language, use $wgLang->getCode()
 510 $wgContLanguageCode = $wgLanguageCode;
 511
 512 // Easy to forget to falsify $wgDebugToolbar for static caches.
 513 // If file cache or CDN cache is on, just disable this (DWIMD).
 514 if ( $wgUseFileCache || $wgUseSquid ) {
 515         $wgDebugToolbar = false;
 516 }
 517
 518 // We always output HTML5 since 1.22, overriding these is no longer supported
 519 // we set them here for extensions that depend on its value.
 520 $wgHtml5 = true;
 521 $wgXhtmlDefaultNamespace = 'http://www.w3.org/1999/xhtml';
 522 $wgJsMimeType = 'text/javascript';
 523
 524 // Blacklisted file extensions shouldn't appear on the "allowed" list
 525 $wgFileExtensions = array_values( array_diff( $wgFileExtensions, $wgFileBlacklist ) );
 526
 527 if ( $wgInvalidateCacheOnLocalSettingsChange ) {
 528         Wikimedia\suppressWarnings();
 529         $wgCacheEpoch = max( $wgCacheEpoch, gmdate( 'YmdHis', filemtime( "$IP/LocalSettings.php" ) ) );
 530         Wikimedia\restoreWarnings();
 531 }
 532
 533 if ( $wgNewUserLog ) {
 534         // Add a new log type
 535         $wgLogTypes[] = 'newusers';
 536         $wgLogNames['newusers'] = 'newuserlogpage';
 537         $wgLogHeaders['newusers'] = 'newuserlogpagetext';
 538         $wgLogActionsHandlers['newusers/newusers'] = NewUsersLogFormatter::class;
 539         $wgLogActionsHandlers['newusers/create'] = NewUsersLogFormatter::class;
 540         $wgLogActionsHandlers['newusers/create2'] = NewUsersLogFormatter::class;
 541         $wgLogActionsHandlers['newusers/byemail'] = NewUsersLogFormatter::class;
 542         $wgLogActionsHandlers['newusers/autocreate'] = NewUsersLogFormatter::class;
 543 }
 544
 545 if ( $wgPageLanguageUseDB ) {
 546         $wgLogTypes[] = 'pagelang';
 547         $wgLogActionsHandlers['pagelang/pagelang'] = PageLangLogFormatter::class;
 548 }
 549
 550 if ( $wgCookieSecure === 'detect' ) {
 551         $wgCookieSecure = ( WebRequest::detectProtocol() === 'https' );
 552 }
 553
 554 if ( $wgProfileOnly ) {
 555         $wgDebugLogGroups['profileoutput'] = $wgDebugLogFile;
 556         $wgDebugLogFile = '';
 557 }
 558
 559 // Backwards compatibility with old password limits
 560 if ( $wgMinimalPasswordLength !== false ) {
 561         $wgPasswordPolicy['policies']['default']['MinimalPasswordLength'] = $wgMinimalPasswordLength;
 562 }
 563
 564 if ( $wgMaximalPasswordLength !== false ) {
 565         $wgPasswordPolicy['policies']['default']['MaximalPasswordLength'] = $wgMaximalPasswordLength;
 566 }
 567
 568 // Backwards compatibility warning
 569 if ( !$wgSessionsInObjectCache ) {
 570         wfDeprecated( '$wgSessionsInObjectCache = false', '1.27' );
 571         if ( $wgSessionHandler ) {
 572                 wfDeprecated( '$wgSessionsHandler', '1.27' );
 573         }
 574         $cacheType = get_class( ObjectCache::getInstance( $wgSessionCacheType ) );
 575         wfDebugLog(
 576                 'caches',
 577                 "Session data will be stored in \"$cacheType\" cache with " .
 578                         "expiry $wgObjectCacheSessionExpiry seconds"
 579         );
 580 }
 581 $wgSessionsInObjectCache = true;
 582
 583 if ( $wgPHPSessionHandling !== 'enable' &&
 584         $wgPHPSessionHandling !== 'warn' &&
 585         $wgPHPSessionHandling !== 'disable'
 586 ) {
 587         $wgPHPSessionHandling = 'warn';
 588 }
 589 if ( defined( 'MW_NO_SESSION' ) ) {
 590         // If the entry point wants no session, force 'disable' here unless they
 591         // specifically set it to the (undocumented) 'warn'.
 592         $wgPHPSessionHandling = MW_NO_SESSION === 'warn' ? 'warn' : 'disable';
 593 }
 594
 595 Profiler::instance()->scopedProfileOut( $ps_default );
 596
 597 // Disable MWDebug for command line mode, this prevents MWDebug from eating up
 598 // all the memory from logging SQL queries on maintenance scripts
 599 global $wgCommandLineMode;
 600 if ( $wgDebugToolbar && !$wgCommandLineMode ) {
 601         MWDebug::init();
 602 }
 603
 604 // Reset the global service locator, so any services that have already been created will be
 605 // re-created while taking into account any custom settings and extensions.
 606 MediaWikiServices::resetGlobalInstance( new GlobalVarConfig(), 'quick' );
 607
 608 if ( $wgSharedDB && $wgSharedTables ) {
 609         // Apply $wgSharedDB table aliases for the local LB (all non-foreign DB connections)
 610         MediaWikiServices::getInstance()->getDBLoadBalancer()->setTableAliases(
 611                 array_fill_keys(
 612                         $wgSharedTables,
 613                         [
 614                                 'dbname' => $wgSharedDB,
 615                                 'schema' => $wgSharedSchema,
 616                                 'prefix' => $wgSharedPrefix
 617                         ]
 618                 )
 619         );
 620 }
 621
 622 // Define a constant that indicates that the bootstrapping of the service locator
 623 // is complete.
 624 define( 'MW_SERVICE_BOOTSTRAP_COMPLETE', 1 );
 625
 626 MWExceptionHandler::installHandler();
 627
 628 require_once "$IP/includes/compat/normal/UtfNormalUtil.php";
 629
 630 $ps_validation = Profiler::instance()->scopedProfileIn( $fname . '-validation' );
 631
 632 // T48998: Bail out early if $wgArticlePath is non-absolute
 633 foreach ( [ 'wgArticlePath', 'wgVariantArticlePath' ] as $varName ) {
 634         if ( $$varName && !preg_match( '/^(https?:\/\/|\/)/', $$varName ) ) {
 635                 throw new FatalError(
 636                         "If you use a relative URL for \$$varName, it must start " .
 637                         'with a slash (<code>/</code>).<br><br>See ' .
 638                         "<a href=\"https://www.mediawiki.org/wiki/Manual:\$$varName\">" .
 639                         "https://www.mediawiki.org/wiki/Manual:\$$varName</a>."
 640                 );
 641         }
 642 }
 643
 644 Profiler::instance()->scopedProfileOut( $ps_validation );
 645
 646 $ps_default2 = Profiler::instance()->scopedProfileIn( $fname . '-defaults2' );
 647
 648 if ( $wgCanonicalServer === false ) {
 649         $wgCanonicalServer = wfExpandUrl( $wgServer, PROTO_HTTP );
 650 }
 651
 652 // Set server name
 653 $serverParts = wfParseUrl( $wgCanonicalServer );
 654 if ( $wgServerName !== false ) {
 655         wfWarn( '$wgServerName should be derived from $wgCanonicalServer, '
 656                 . 'not customized. Overwriting $wgServerName.' );
 657 }
 658 $wgServerName = $serverParts['host'];
 659 unset( $serverParts );
 660
 661 // Set defaults for configuration variables
 662 // that are derived from the server name by default
 663 // Note: $wgEmergencyContact and $wgPasswordSender may be false or empty string (T104142)
 664 if ( !$wgEmergencyContact ) {
 665         $wgEmergencyContact = 'wikiadmin@' . $wgServerName;
 666 }
 667 if ( !$wgPasswordSender ) {
 668         $wgPasswordSender = 'apache@' . $wgServerName;
 669 }
 670 if ( !$wgNoReplyAddress ) {
 671         $wgNoReplyAddress = $wgPasswordSender;
 672 }
 673
 674 if ( $wgSecureLogin && substr( $wgServer, 0, 2 ) !== '//' ) {
 675         $wgSecureLogin = false;
 676         wfWarn( 'Secure login was enabled on a server that only supports '
 677                 . 'HTTP or HTTPS. Disabling secure login.' );
 678 }
 679
 680 $wgVirtualRestConfig['global']['domain'] = $wgCanonicalServer;
 681
 682 // Now that GlobalFunctions is loaded, set defaults that depend on it.
 683 if ( $wgTmpDirectory === false ) {
 684         $wgTmpDirectory = wfTempDir();
 685 }
 686
 687 // We don't use counters anymore. Left here for extensions still
 688 // expecting this to exist. Should be removed sometime 1.26 or later.
 689 if ( !isset( $wgDisableCounters ) ) {
 690         $wgDisableCounters = true;
 691 }
 692
 693 if ( $wgMainWANCache === false ) {
 694         // Setup a WAN cache from $wgMainCacheType with no relayer.
 695         // Sites using multiple datacenters can configure a relayer.
 696         $wgMainWANCache = 'mediawiki-main-default';
 697         $wgWANObjectCaches[$wgMainWANCache] = [
 698                 'class'    => WANObjectCache::class,
 699                 'cacheId'  => $wgMainCacheType,
 700                 'channels' => [ 'purge' => 'wancache-main-default-purge' ]
 701         ];
 702 }
 703
 704 Profiler::instance()->scopedProfileOut( $ps_default2 );
 705
 706 $ps_misc = Profiler::instance()->scopedProfileIn( $fname . '-misc1' );
 707
 708 // Raise the memory limit if it's too low
 709 wfMemoryLimit();
 710
 711 /**
 712  * Set up the timezone, suppressing the pseudo-security warning in PHP 5.1+
 713  * that happens whenever you use a date function without the timezone being
 714  * explicitly set. Inspired by phpMyAdmin's treatment of the problem.
 715  */
 716 if ( is_null( $wgLocaltimezone ) ) {
 717         Wikimedia\suppressWarnings();
 718         $wgLocaltimezone = date_default_timezone_get();
 719         Wikimedia\restoreWarnings();
 720 }
 721
 722 date_default_timezone_set( $wgLocaltimezone );
 723 if ( is_null( $wgLocalTZoffset ) ) {
 724         $wgLocalTZoffset = date( 'Z' ) / 60;
 725 }
 726 // The part after the System| is ignored, but rest of MW fills it
 727 // out as the local offset.
 728 $wgDefaultUserOptions['timecorrection'] = "System|$wgLocalTZoffset";
 729
 730 if ( !$wgDBerrorLogTZ ) {
 731         $wgDBerrorLogTZ = $wgLocaltimezone;
 732 }
 733
 734 // Initialize the request object in $wgRequest
 735 $wgRequest = RequestContext::getMain()->getRequest(); // BackCompat
 736 // Set user IP/agent information for agent session consistency purposes
 737 MediaWikiServices::getInstance()->getDBLoadBalancerFactory()->setRequestInfo( [
 738         'IPAddress' => $wgRequest->getIP(),
 739         'UserAgent' => $wgRequest->getHeader( 'User-Agent' ),
 740         'ChronologyProtection' => $wgRequest->getHeader( 'ChronologyProtection' ),
 741         // The cpPosIndex cookie has no prefix and is set by MediaWiki::preOutputCommit()
 742         'ChronologyPositionIndex' =>
 743                 $wgRequest->getInt( 'cpPosIndex', (int)$wgRequest->getCookie( 'cpPosIndex', '' ) )
 744 ] );
 745 // Make sure that object caching does not undermine the ChronologyProtector improvements
 746 if ( $wgRequest->getCookie( 'UseDC', '' ) === 'master' ) {
 747         // The user is pinned to the primary DC, meaning that they made recent changes which should
 748         // be reflected in their subsequent web requests. Avoid the use of interim cache keys because
 749         // they use a blind TTL and could be stale if an object changes twice in a short time span.
 750         MediaWikiServices::getInstance()->getMainWANObjectCache()->useInterimHoldOffCaching( false );
 751 }
 752
 753 // Useful debug output
 754 if ( $wgCommandLineMode ) {
 755         wfDebug( "\n\nStart command line script $self\n" );
 756 } else {
 757         $debug = "\n\nStart request {$wgRequest->getMethod()} {$wgRequest->getRequestURL()}\n";
 758
 759         if ( $wgDebugPrintHttpHeaders ) {
 760                 $debug .= "HTTP HEADERS:\n";
 761
 762                 foreach ( $wgRequest->getAllHeaders() as $name => $value ) {
 763                         $debug .= "$name: $value\n";
 764                 }
 765         }
 766         wfDebug( $debug );
 767 }
 768
 769 Profiler::instance()->scopedProfileOut( $ps_misc );
 770 $ps_memcached = Profiler::instance()->scopedProfileIn( $fname . '-memcached' );
 771
 772 $wgMemc = wfGetMainCache();
 773 $messageMemc = wfGetMessageCacheStorage();
 774
 775 /**
 776  * @deprecated since 1.30
 777  */
 778 $parserMemc = new DeprecatedGlobal( 'parserMemc', function () {
 779         return MediaWikiServices::getInstance()->getParserCache()->getCacheStorage();
 780 }, '1.30' );
 781
 782 wfDebugLog( 'caches',
 783         'cluster: ' . get_class( $wgMemc ) .
 784         ', WAN: ' . ( $wgMainWANCache === CACHE_NONE ? 'CACHE_NONE' : $wgMainWANCache ) .
 785         ', stash: ' . $wgMainStash .
 786         ', message: ' . get_class( $messageMemc ) .
 787         ', session: ' . get_class( ObjectCache::getInstance( $wgSessionCacheType ) )
 788 );
 789
 790 Profiler::instance()->scopedProfileOut( $ps_memcached );
 791
 792 // Most of the config is out, some might want to run hooks here.
 793 Hooks::run( 'SetupAfterCache' );
 794
 795 $ps_globals = Profiler::instance()->scopedProfileIn( $fname . '-globals' );
 796
 797 /**
 798  * @var Language $wgContLang
 799  */
 800 $wgContLang = Language::factory( $wgLanguageCode );
 801 $wgContLang->initContLang();
 802
 803 // Now that variant lists may be available...
 804 $wgRequest->interpolateTitle();
 805
 806 if ( !is_object( $wgAuth ) ) {
 807         $wgAuth = new MediaWiki\Auth\AuthManagerAuthPlugin;
 808         Hooks::run( 'AuthPluginSetup', [ &$wgAuth ] );
 809 }
 810 if ( $wgAuth && !$wgAuth instanceof MediaWiki\Auth\AuthManagerAuthPlugin ) {
 811         MediaWiki\Auth\AuthManager::singleton()->forcePrimaryAuthenticationProviders( [
 812                 new MediaWiki\Auth\TemporaryPasswordPrimaryAuthenticationProvider( [
 813                         'authoritative' => false,
 814                 ] ),
 815                 new MediaWiki\Auth\AuthPluginPrimaryAuthenticationProvider( $wgAuth ),
 816                 new MediaWiki\Auth\LocalPasswordPrimaryAuthenticationProvider( [
 817                         'authoritative' => true,
 818                 ] ),
 819         ], '$wgAuth is ' . get_class( $wgAuth ) );
 820 }
 821
 822 // Set up the session
 823 $ps_session = Profiler::instance()->scopedProfileIn( $fname . '-session' );
 824 /**
 825  * @var MediaWiki\Session\SessionId|null $wgInitialSessionId The persistent
 826  * session ID (if any) loaded at startup
 827  */
 828 $wgInitialSessionId = null;
 829 if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
 830         // If session.auto_start is there, we can't touch session name
 831         if ( $wgPHPSessionHandling !== 'disable' && !wfIniGetBool( 'session.auto_start' ) ) {
 832                 session_name( $wgSessionName ? $wgSessionName : $wgCookiePrefix . '_session' );
 833         }
 834
 835         // Create the SessionManager singleton and set up our session handler,
 836         // unless we're specifically asked not to.
 837         if ( !defined( 'MW_NO_SESSION_HANDLER' ) ) {
 838                 MediaWiki\Session\PHPSessionHandler::install(
 839                         MediaWiki\Session\SessionManager::singleton()
 840                 );
 841         }
 842
 843         // Initialize the session
 844         try {
 845                 $session = MediaWiki\Session\SessionManager::getGlobalSession();
 846         } catch ( OverflowException $ex ) {
 847                 if ( isset( $ex->sessionInfos ) && count( $ex->sessionInfos ) >= 2 ) {
 848                         // The exception is because the request had multiple possible
 849                         // sessions tied for top priority. Report this to the user.
 850                         $list = [];
 851                         foreach ( $ex->sessionInfos as $info ) {
 852                                 $list[] = $info->getProvider()->describe( $wgContLang );
 853                         }
 854                         $list = $wgContLang->listToText( $list );
 855                         throw new HttpError( 400,
 856                                 Message::newFromKey( 'sessionmanager-tie', $list )->inLanguage( $wgContLang )->plain()
 857                         );
 858                 }
 859
 860                 // Not the one we want, rethrow
 861                 throw $ex;
 862         }
 863
 864         if ( $session->isPersistent() ) {
 865                 $wgInitialSessionId = $session->getSessionId();
 866         }
 867
 868         $session->renew();
 869         if ( MediaWiki\Session\PHPSessionHandler::isEnabled() &&
 870                 ( $session->isPersistent() || $session->shouldRememberUser() )
 871         ) {
 872                 // Start the PHP-session for backwards compatibility
 873                 session_id( $session->getId() );
 874                 Wikimedia\quietCall( 'session_start' );
 875         }
 876
 877         unset( $session );
 878 } else {
 879         // Even if we didn't set up a global Session, still install our session
 880         // handler unless specifically requested not to.
 881         if ( !defined( 'MW_NO_SESSION_HANDLER' ) ) {
 882                 MediaWiki\Session\PHPSessionHandler::install(
 883                         MediaWiki\Session\SessionManager::singleton()
 884                 );
 885         }
 886 }
 887 Profiler::instance()->scopedProfileOut( $ps_session );
 888
 889 /**
 890  * @var User $wgUser
 891  */
 892 $wgUser = RequestContext::getMain()->getUser(); // BackCompat
 893
 894 /**
 895  * @var Language $wgLang
 896  */
 897 $wgLang = new StubUserLang;
 898
 899 /**
 900  * @var OutputPage $wgOut
 901  */
 902 $wgOut = RequestContext::getMain()->getOutput(); // BackCompat
 903
 904 /**
 905  * @var Parser $wgParser
 906  */
 907 $wgParser = new StubObject( 'wgParser', function () {
 908         return MediaWikiServices::getInstance()->getParser();
 909 } );
 910
 911 /**
 912  * @var Title $wgTitle
 913  */
 914 $wgTitle = null;
 915
 916 Profiler::instance()->scopedProfileOut( $ps_globals );
 917 $ps_extensions = Profiler::instance()->scopedProfileIn( $fname . '-extensions' );
 918
 919 // Extension setup functions
 920 // Entries should be added to this variable during the inclusion
 921 // of the extension file. This allows the extension to perform
 922 // any necessary initialisation in the fully initialised environment
 923 foreach ( $wgExtensionFunctions as $func ) {
 924         // Allow closures in PHP 5.3+
 925         if ( is_object( $func ) && $func instanceof Closure ) {
 926                 $profName = $fname . '-extensions-closure';
 927         } elseif ( is_array( $func ) ) {
 928                 if ( is_object( $func[0] ) ) {
 929                         $profName = $fname . '-extensions-' . get_class( $func[0] ) . '::' . $func[1];
 930                 } else {
 931                         $profName = $fname . '-extensions-' . implode( '::', $func );
 932                 }
 933         } else {
 934                 $profName = $fname . '-extensions-' . strval( $func );
 935         }
 936
 937         $ps_ext_func = Profiler::instance()->scopedProfileIn( $profName );
 938         call_user_func( $func );
 939         Profiler::instance()->scopedProfileOut( $ps_ext_func );
 940 }
 941
 942 // If the session user has a 0 id but a valid name, that means we need to
 943 // autocreate it.
 944 if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
 945         $sessionUser = MediaWiki\Session\SessionManager::getGlobalSession()->getUser();
 946         if ( $sessionUser->getId() === 0 && User::isValidUserName( $sessionUser->getName() ) ) {
 947                 $ps_autocreate = Profiler::instance()->scopedProfileIn( $fname . '-autocreate' );
 948                 $res = MediaWiki\Auth\AuthManager::singleton()->autoCreateUser(
 949                         $sessionUser,
 950                         MediaWiki\Auth\AuthManager::AUTOCREATE_SOURCE_SESSION,
 951                         true
 952                 );
 953                 Profiler::instance()->scopedProfileOut( $ps_autocreate );
 954                 \MediaWiki\Logger\LoggerFactory::getInstance( 'authevents' )->info( 'Autocreation attempt', [
 955                         'event' => 'autocreate',
 956                         'status' => $res,
 957                 ] );
 958                 unset( $res );
 959         }
 960         unset( $sessionUser );
 961 }
 962
 963 if ( !$wgCommandLineMode ) {
 964         Pingback::schedulePingback();
 965 }
 966
 967 $wgFullyInitialised = true;
 968
 969 Profiler::instance()->scopedProfileOut( $ps_extensions );
 970 Profiler::instance()->scopedProfileOut( $ps_setup );