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                 'url' => $wgUploadBaseUrl ? $wgUploadBaseUrl . $wgUploadPath : $wgUploadPath,
 284                 'hashLevels' => $wgHashedUploadDirectory ? 2 : 0,
 285                 'thumbScriptUrl' => $wgThumbnailScriptPath,
 286                 'transformVia404' => !$wgGenerateThumbnailOnParse,
 287                 'deletedDir' => $wgDeletedDirectory,
 288                 'deletedHashLevels' => $wgHashedUploadDirectory ? 3 : 0
 289         ];
 290 }
 291 /**
 292  * Initialise shared repo from backwards-compatible settings
 293  */
 294 if ( $wgUseSharedUploads ) {
 295         if ( $wgSharedUploadDBname ) {
 296                 $wgForeignFileRepos[] = [
 297                         'class' => ForeignDBRepo::class,
 298                         'name' => 'shared',
 299                         'directory' => $wgSharedUploadDirectory,
 300                         'url' => $wgSharedUploadPath,
 301                         'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
 302                         'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
 303                         'transformVia404' => !$wgGenerateThumbnailOnParse,
 304                         'dbType' => $wgDBtype,
 305                         'dbServer' => $wgDBserver,
 306                         'dbUser' => $wgDBuser,
 307                         'dbPassword' => $wgDBpassword,
 308                         'dbName' => $wgSharedUploadDBname,
 309                         'dbFlags' => ( $wgDebugDumpSql ? DBO_DEBUG : 0 ) | DBO_DEFAULT,
 310                         'tablePrefix' => $wgSharedUploadDBprefix,
 311                         'hasSharedCache' => $wgCacheSharedUploads,
 312                         'descBaseUrl' => $wgRepositoryBaseUrl,
 313                         'fetchDescription' => $wgFetchCommonsDescriptions,
 314                 ];
 315         } else {
 316                 $wgForeignFileRepos[] = [
 317                         'class' => FileRepo::class,
 318                         'name' => 'shared',
 319                         'directory' => $wgSharedUploadDirectory,
 320                         'url' => $wgSharedUploadPath,
 321                         'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
 322                         'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
 323                         'transformVia404' => !$wgGenerateThumbnailOnParse,
 324                         'descBaseUrl' => $wgRepositoryBaseUrl,
 325                         'fetchDescription' => $wgFetchCommonsDescriptions,
 326                 ];
 327         }
 328 }
 329 if ( $wgUseInstantCommons ) {
 330         $wgForeignFileRepos[] = [
 331                 'class' => ForeignAPIRepo::class,
 332                 'name' => 'wikimediacommons',
 333                 'apibase' => 'https://commons.wikimedia.org/w/api.php',
 334                 'url' => 'https://upload.wikimedia.org/wikipedia/commons',
 335                 'thumbUrl' => 'https://upload.wikimedia.org/wikipedia/commons/thumb',
 336                 'hashLevels' => 2,
 337                 'transformVia404' => true,
 338                 'fetchDescription' => true,
 339                 'descriptionCacheExpiry' => 43200,
 340                 'apiThumbCacheExpiry' => 0,
 341         ];
 342 }
 343 /*
 344  * Add on default file backend config for file repos.
 345  * FileBackendGroup will handle initializing the backends.
 346  */
 347 if ( !isset( $wgLocalFileRepo['backend'] ) ) {
 348         $wgLocalFileRepo['backend'] = $wgLocalFileRepo['name'] . '-backend';
 349 }
 350 foreach ( $wgForeignFileRepos as &$repo ) {
 351         if ( !isset( $repo['directory'] ) && $repo['class'] === ForeignAPIRepo::class ) {
 352                 $repo['directory'] = $wgUploadDirectory; // b/c
 353         }
 354         if ( !isset( $repo['backend'] ) ) {
 355                 $repo['backend'] = $repo['name'] . '-backend';
 356         }
 357 }
 358 unset( $repo ); // no global pollution; destroy reference
 359
 360 // Convert this deprecated setting to modern system
 361 if ( $wgExperimentalHtmlIds ) {
 362         wfDeprecated( '$wgExperimentalHtmlIds', '1.30' );
 363         $wgFragmentMode = [ 'html5-legacy', 'html5' ];
 364 }
 365
 366 $rcMaxAgeDays = $wgRCMaxAge / ( 3600 * 24 );
 367 if ( $wgRCFilterByAge ) {
 368         // Trim down $wgRCLinkDays so that it only lists links which are valid
 369         // as determined by $wgRCMaxAge.
 370         // Note that we allow 1 link higher than the max for things like 56 days but a 60 day link.
 371         sort( $wgRCLinkDays );
 372
 373         // phpcs:ignore Generic.CodeAnalysis.ForLoopWithTestFunctionCall
 374         for ( $i = 0; $i < count( $wgRCLinkDays ); $i++ ) {
 375                 if ( $wgRCLinkDays[$i] >= $rcMaxAgeDays ) {
 376                         $wgRCLinkDays = array_slice( $wgRCLinkDays, 0, $i + 1, false );
 377                         break;
 378                 }
 379         }
 380 }
 381 // Ensure that default user options are not invalid, since that breaks Special:Preferences
 382 $wgDefaultUserOptions['rcdays'] = min(
 383         $wgDefaultUserOptions['rcdays'],
 384         ceil( $rcMaxAgeDays )
 385 );
 386 $wgDefaultUserOptions['watchlistdays'] = min(
 387         $wgDefaultUserOptions['watchlistdays'],
 388         ceil( $rcMaxAgeDays )
 389 );
 390 unset( $rcMaxAgeDays );
 391
 392 if ( $wgSkipSkin ) {
 393         $wgSkipSkins[] = $wgSkipSkin;
 394 }
 395
 396 $wgSkipSkins[] = 'fallback';
 397 $wgSkipSkins[] = 'apioutput';
 398
 399 if ( $wgLocalInterwiki ) {
 400         array_unshift( $wgLocalInterwikis, $wgLocalInterwiki );
 401 }
 402
 403 // Set default shared prefix
 404 if ( $wgSharedPrefix === false ) {
 405         $wgSharedPrefix = $wgDBprefix;
 406 }
 407
 408 // Set default shared schema
 409 if ( $wgSharedSchema === false ) {
 410         $wgSharedSchema = $wgDBmwschema;
 411 }
 412
 413 if ( !$wgCookiePrefix ) {
 414         if ( $wgSharedDB && $wgSharedPrefix && in_array( 'user', $wgSharedTables ) ) {
 415                 $wgCookiePrefix = $wgSharedDB . '_' . $wgSharedPrefix;
 416         } elseif ( $wgSharedDB && in_array( 'user', $wgSharedTables ) ) {
 417                 $wgCookiePrefix = $wgSharedDB;
 418         } elseif ( $wgDBprefix ) {
 419                 $wgCookiePrefix = $wgDBname . '_' . $wgDBprefix;
 420         } else {
 421                 $wgCookiePrefix = $wgDBname;
 422         }
 423 }
 424 $wgCookiePrefix = strtr( $wgCookiePrefix, '=,; +."\'\\[', '__________' );
 425
 426 if ( $wgEnableEmail ) {
 427         $wgUseEnotif = $wgEnotifUserTalk || $wgEnotifWatchlist;
 428 } else {
 429         // Disable all other email settings automatically if $wgEnableEmail
 430         // is set to false. - T65678
 431         $wgAllowHTMLEmail = false;
 432         $wgEmailAuthentication = false; // do not require auth if you're not sending email anyway
 433         $wgEnableUserEmail = false;
 434         $wgEnotifFromEditor = false;
 435         $wgEnotifImpersonal = false;
 436         $wgEnotifMaxRecips = 0;
 437         $wgEnotifMinorEdits = false;
 438         $wgEnotifRevealEditorAddress = false;
 439         $wgEnotifUseRealName = false;
 440         $wgEnotifUserTalk = false;
 441         $wgEnotifWatchlist = false;
 442         unset( $wgGroupPermissions['user']['sendemail'] );
 443         $wgUseEnotif = false;
 444         $wgUserEmailUseReplyTo = false;
 445         $wgUsersNotifiedOnAllChanges = [];
 446 }
 447
 448 if ( $wgMetaNamespace === false ) {
 449         $wgMetaNamespace = str_replace( ' ', '_', $wgSitename );
 450 }
 451
 452 // Default value is 2000 or the suhosin limit if it is between 1 and 2000
 453 if ( $wgResourceLoaderMaxQueryLength === false ) {
 454         $suhosinMaxValueLength = (int)ini_get( 'suhosin.get.max_value_length' );
 455         if ( $suhosinMaxValueLength > 0 && $suhosinMaxValueLength < 2000 ) {
 456                 $wgResourceLoaderMaxQueryLength = $suhosinMaxValueLength;
 457         } else {
 458                 $wgResourceLoaderMaxQueryLength = 2000;
 459         }
 460         unset( $suhosinMaxValueLength );
 461 }
 462
 463 // Ensure the minimum chunk size is less than PHP upload limits or the maximum
 464 // upload size.
 465 $wgMinUploadChunkSize = min(
 466         $wgMinUploadChunkSize,
 467         UploadBase::getMaxUploadSize( 'file' ),
 468         UploadBase::getMaxPhpUploadSize(),
 469         ( wfShorthandToInteger(
 470                 ini_get( 'post_max_size' ) ?: ini_get( 'hhvm.server.max_post_size' ),
 471                 PHP_INT_MAX
 472         ) ?: PHP_INT_MAX ) - 1024 // Leave some room for other POST parameters
 473 );
 474
 475 /**
 476  * Definitions of the NS_ constants are in Defines.php
 477  * @private
 478  */
 479 $wgCanonicalNamespaceNames = [
 480         NS_MEDIA            => 'Media',
 481         NS_SPECIAL          => 'Special',
 482         NS_TALK             => 'Talk',
 483         NS_USER             => 'User',
 484         NS_USER_TALK        => 'User_talk',
 485         NS_PROJECT          => 'Project',
 486         NS_PROJECT_TALK     => 'Project_talk',
 487         NS_FILE             => 'File',
 488         NS_FILE_TALK        => 'File_talk',
 489         NS_MEDIAWIKI        => 'MediaWiki',
 490         NS_MEDIAWIKI_TALK   => 'MediaWiki_talk',
 491         NS_TEMPLATE         => 'Template',
 492         NS_TEMPLATE_TALK    => 'Template_talk',
 493         NS_HELP             => 'Help',
 494         NS_HELP_TALK        => 'Help_talk',
 495         NS_CATEGORY         => 'Category',
 496         NS_CATEGORY_TALK    => 'Category_talk',
 497 ];
 498
 499 /// @todo UGLY UGLY
 500 if ( is_array( $wgExtraNamespaces ) ) {
 501         $wgCanonicalNamespaceNames = $wgCanonicalNamespaceNames + $wgExtraNamespaces;
 502 }
 503
 504 // Merge in the legacy language codes, incorporating overrides from the config
 505 $wgDummyLanguageCodes += [
 506         'qqq' => 'qqq', // Used for message documentation
 507         'qqx' => 'qqx', // Used for viewing message keys
 508 ] + $wgExtraLanguageCodes + LanguageCode::getDeprecatedCodeMapping();
 509
 510 // These are now the same, always
 511 // To determine the user language, use $wgLang->getCode()
 512 $wgContLanguageCode = $wgLanguageCode;
 513
 514 // Easy to forget to falsify $wgDebugToolbar for static caches.
 515 // If file cache or CDN cache is on, just disable this (DWIMD).
 516 if ( $wgUseFileCache || $wgUseSquid ) {
 517         $wgDebugToolbar = false;
 518 }
 519
 520 // We always output HTML5 since 1.22, overriding these is no longer supported
 521 // we set them here for extensions that depend on its value.
 522 $wgHtml5 = true;
 523 $wgXhtmlDefaultNamespace = 'http://www.w3.org/1999/xhtml';
 524 $wgJsMimeType = 'text/javascript';
 525
 526 // Blacklisted file extensions shouldn't appear on the "allowed" list
 527 $wgFileExtensions = array_values( array_diff( $wgFileExtensions, $wgFileBlacklist ) );
 528
 529 if ( $wgInvalidateCacheOnLocalSettingsChange ) {
 530         Wikimedia\suppressWarnings();
 531         $wgCacheEpoch = max( $wgCacheEpoch, gmdate( 'YmdHis', filemtime( "$IP/LocalSettings.php" ) ) );
 532         Wikimedia\restoreWarnings();
 533 }
 534
 535 if ( $wgNewUserLog ) {
 536         // Add a new log type
 537         $wgLogTypes[] = 'newusers';
 538         $wgLogNames['newusers'] = 'newuserlogpage';
 539         $wgLogHeaders['newusers'] = 'newuserlogpagetext';
 540         $wgLogActionsHandlers['newusers/newusers'] = NewUsersLogFormatter::class;
 541         $wgLogActionsHandlers['newusers/create'] = NewUsersLogFormatter::class;
 542         $wgLogActionsHandlers['newusers/create2'] = NewUsersLogFormatter::class;
 543         $wgLogActionsHandlers['newusers/byemail'] = NewUsersLogFormatter::class;
 544         $wgLogActionsHandlers['newusers/autocreate'] = NewUsersLogFormatter::class;
 545 }
 546
 547 if ( $wgPageLanguageUseDB ) {
 548         $wgLogTypes[] = 'pagelang';
 549         $wgLogActionsHandlers['pagelang/pagelang'] = PageLangLogFormatter::class;
 550 }
 551
 552 if ( $wgCookieSecure === 'detect' ) {
 553         $wgCookieSecure = ( WebRequest::detectProtocol() === 'https' );
 554 }
 555
 556 if ( $wgProfileOnly ) {
 557         $wgDebugLogGroups['profileoutput'] = $wgDebugLogFile;
 558         $wgDebugLogFile = '';
 559 }
 560
 561 // Backwards compatibility with old password limits
 562 if ( $wgMinimalPasswordLength !== false ) {
 563         $wgPasswordPolicy['policies']['default']['MinimalPasswordLength'] = $wgMinimalPasswordLength;
 564 }
 565
 566 if ( $wgMaximalPasswordLength !== false ) {
 567         $wgPasswordPolicy['policies']['default']['MaximalPasswordLength'] = $wgMaximalPasswordLength;
 568 }
 569
 570 // Backwards compatibility warning
 571 if ( !$wgSessionsInObjectCache ) {
 572         wfDeprecated( '$wgSessionsInObjectCache = false', '1.27' );
 573         if ( $wgSessionHandler ) {
 574                 wfDeprecated( '$wgSessionsHandler', '1.27' );
 575         }
 576         $cacheType = get_class( ObjectCache::getInstance( $wgSessionCacheType ) );
 577         wfDebugLog(
 578                 'caches',
 579                 "Session data will be stored in \"$cacheType\" cache with " .
 580                         "expiry $wgObjectCacheSessionExpiry seconds"
 581         );
 582 }
 583 $wgSessionsInObjectCache = true;
 584
 585 if ( $wgPHPSessionHandling !== 'enable' &&
 586         $wgPHPSessionHandling !== 'warn' &&
 587         $wgPHPSessionHandling !== 'disable'
 588 ) {
 589         $wgPHPSessionHandling = 'warn';
 590 }
 591 if ( defined( 'MW_NO_SESSION' ) ) {
 592         // If the entry point wants no session, force 'disable' here unless they
 593         // specifically set it to the (undocumented) 'warn'.
 594         $wgPHPSessionHandling = MW_NO_SESSION === 'warn' ? 'warn' : 'disable';
 595 }
 596
 597 Profiler::instance()->scopedProfileOut( $ps_default );
 598
 599 // Disable MWDebug for command line mode, this prevents MWDebug from eating up
 600 // all the memory from logging SQL queries on maintenance scripts
 601 global $wgCommandLineMode;
 602 if ( $wgDebugToolbar && !$wgCommandLineMode ) {
 603         MWDebug::init();
 604 }
 605
 606 // Reset the global service locator, so any services that have already been created will be
 607 // re-created while taking into account any custom settings and extensions.
 608 MediaWikiServices::resetGlobalInstance( new GlobalVarConfig(), 'quick' );
 609
 610 if ( $wgSharedDB && $wgSharedTables ) {
 611         // Apply $wgSharedDB table aliases for the local LB (all non-foreign DB connections)
 612         MediaWikiServices::getInstance()->getDBLoadBalancer()->setTableAliases(
 613                 array_fill_keys(
 614                         $wgSharedTables,
 615                         [
 616                                 'dbname' => $wgSharedDB,
 617                                 'schema' => $wgSharedSchema,
 618                                 'prefix' => $wgSharedPrefix
 619                         ]
 620                 )
 621         );
 622 }
 623
 624 // Define a constant that indicates that the bootstrapping of the service locator
 625 // is complete.
 626 define( 'MW_SERVICE_BOOTSTRAP_COMPLETE', 1 );
 627
 628 MWExceptionHandler::installHandler();
 629
 630 require_once "$IP/includes/compat/normal/UtfNormalUtil.php";
 631
 632 $ps_validation = Profiler::instance()->scopedProfileIn( $fname . '-validation' );
 633
 634 // T48998: Bail out early if $wgArticlePath is non-absolute
 635 foreach ( [ 'wgArticlePath', 'wgVariantArticlePath' ] as $varName ) {
 636         if ( $$varName && !preg_match( '/^(https?:\/\/|\/)/', $$varName ) ) {
 637                 throw new FatalError(
 638                         "If you use a relative URL for \$$varName, it must start " .
 639                         'with a slash (<code>/</code>).<br><br>See ' .
 640                         "<a href=\"https://www.mediawiki.org/wiki/Manual:\$$varName\">" .
 641                         "https://www.mediawiki.org/wiki/Manual:\$$varName</a>."
 642                 );
 643         }
 644 }
 645
 646 Profiler::instance()->scopedProfileOut( $ps_validation );
 647
 648 $ps_default2 = Profiler::instance()->scopedProfileIn( $fname . '-defaults2' );
 649
 650 if ( $wgCanonicalServer === false ) {
 651         $wgCanonicalServer = wfExpandUrl( $wgServer, PROTO_HTTP );
 652 }
 653
 654 // Set server name
 655 $serverParts = wfParseUrl( $wgCanonicalServer );
 656 if ( $wgServerName !== false ) {
 657         wfWarn( '$wgServerName should be derived from $wgCanonicalServer, '
 658                 . 'not customized. Overwriting $wgServerName.' );
 659 }
 660 $wgServerName = $serverParts['host'];
 661 unset( $serverParts );
 662
 663 // Set defaults for configuration variables
 664 // that are derived from the server name by default
 665 // Note: $wgEmergencyContact and $wgPasswordSender may be false or empty string (T104142)
 666 if ( !$wgEmergencyContact ) {
 667         $wgEmergencyContact = 'wikiadmin@' . $wgServerName;
 668 }
 669 if ( !$wgPasswordSender ) {
 670         $wgPasswordSender = 'apache@' . $wgServerName;
 671 }
 672 if ( !$wgNoReplyAddress ) {
 673         $wgNoReplyAddress = $wgPasswordSender;
 674 }
 675
 676 if ( $wgSecureLogin && substr( $wgServer, 0, 2 ) !== '//' ) {
 677         $wgSecureLogin = false;
 678         wfWarn( 'Secure login was enabled on a server that only supports '
 679                 . 'HTTP or HTTPS. Disabling secure login.' );
 680 }
 681
 682 $wgVirtualRestConfig['global']['domain'] = $wgCanonicalServer;
 683
 684 // Now that GlobalFunctions is loaded, set defaults that depend on it.
 685 if ( $wgTmpDirectory === false ) {
 686         $wgTmpDirectory = wfTempDir();
 687 }
 688
 689 // We don't use counters anymore. Left here for extensions still
 690 // expecting this to exist. Should be removed sometime 1.26 or later.
 691 if ( !isset( $wgDisableCounters ) ) {
 692         $wgDisableCounters = true;
 693 }
 694
 695 if ( $wgMainWANCache === false ) {
 696         // Setup a WAN cache from $wgMainCacheType with no relayer.
 697         // Sites using multiple datacenters can configure a relayer.
 698         $wgMainWANCache = 'mediawiki-main-default';
 699         $wgWANObjectCaches[$wgMainWANCache] = [
 700                 'class'    => WANObjectCache::class,
 701                 'cacheId'  => $wgMainCacheType,
 702                 'channels' => [ 'purge' => 'wancache-main-default-purge' ]
 703         ];
 704 }
 705
 706 Profiler::instance()->scopedProfileOut( $ps_default2 );
 707
 708 $ps_misc = Profiler::instance()->scopedProfileIn( $fname . '-misc1' );
 709
 710 // Raise the memory limit if it's too low
 711 wfMemoryLimit();
 712
 713 /**
 714  * Set up the timezone, suppressing the pseudo-security warning in PHP 5.1+
 715  * that happens whenever you use a date function without the timezone being
 716  * explicitly set. Inspired by phpMyAdmin's treatment of the problem.
 717  */
 718 if ( is_null( $wgLocaltimezone ) ) {
 719         Wikimedia\suppressWarnings();
 720         $wgLocaltimezone = date_default_timezone_get();
 721         Wikimedia\restoreWarnings();
 722 }
 723
 724 date_default_timezone_set( $wgLocaltimezone );
 725 if ( is_null( $wgLocalTZoffset ) ) {
 726         $wgLocalTZoffset = date( 'Z' ) / 60;
 727 }
 728 // The part after the System| is ignored, but rest of MW fills it
 729 // out as the local offset.
 730 $wgDefaultUserOptions['timecorrection'] = "System|$wgLocalTZoffset";
 731
 732 if ( !$wgDBerrorLogTZ ) {
 733         $wgDBerrorLogTZ = $wgLocaltimezone;
 734 }
 735
 736 // Initialize the request object in $wgRequest
 737 $wgRequest = RequestContext::getMain()->getRequest(); // BackCompat
 738 // Set user IP/agent information for agent session consistency purposes
 739 MediaWikiServices::getInstance()->getDBLoadBalancerFactory()->setRequestInfo( [
 740         'IPAddress' => $wgRequest->getIP(),
 741         'UserAgent' => $wgRequest->getHeader( 'User-Agent' ),
 742         'ChronologyProtection' => $wgRequest->getHeader( 'ChronologyProtection' ),
 743         // The cpPosIndex cookie has no prefix and is set by MediaWiki::preOutputCommit()
 744         'ChronologyPositionIndex' =>
 745                 $wgRequest->getInt( 'cpPosIndex', (int)$wgRequest->getCookie( 'cpPosIndex', '' ) )
 746 ] );
 747 // Make sure that object caching does not undermine the ChronologyProtector improvements
 748 if ( $wgRequest->getCookie( 'UseDC', '' ) === 'master' ) {
 749         // The user is pinned to the primary DC, meaning that they made recent changes which should
 750         // be reflected in their subsequent web requests. Avoid the use of interim cache keys because
 751         // they use a blind TTL and could be stale if an object changes twice in a short time span.
 752         MediaWikiServices::getInstance()->getMainWANObjectCache()->useInterimHoldOffCaching( false );
 753 }
 754
 755 // Useful debug output
 756 if ( $wgCommandLineMode ) {
 757         wfDebug( "\n\nStart command line script $self\n" );
 758 } else {
 759         $debug = "\n\nStart request {$wgRequest->getMethod()} {$wgRequest->getRequestURL()}\n";
 760
 761         if ( $wgDebugPrintHttpHeaders ) {
 762                 $debug .= "HTTP HEADERS:\n";
 763
 764                 foreach ( $wgRequest->getAllHeaders() as $name => $value ) {
 765                         $debug .= "$name: $value\n";
 766                 }
 767         }
 768         wfDebug( $debug );
 769 }
 770
 771 Profiler::instance()->scopedProfileOut( $ps_misc );
 772 $ps_memcached = Profiler::instance()->scopedProfileIn( $fname . '-memcached' );
 773
 774 $wgMemc = wfGetMainCache();
 775 $messageMemc = wfGetMessageCacheStorage();
 776
 777 /**
 778  * @deprecated since 1.30
 779  */
 780 $parserMemc = new DeprecatedGlobal( 'parserMemc', function () {
 781         return MediaWikiServices::getInstance()->getParserCache()->getCacheStorage();
 782 }, '1.30' );
 783
 784 wfDebugLog( 'caches',
 785         'cluster: ' . get_class( $wgMemc ) .
 786         ', WAN: ' . ( $wgMainWANCache === CACHE_NONE ? 'CACHE_NONE' : $wgMainWANCache ) .
 787         ', stash: ' . $wgMainStash .
 788         ', message: ' . get_class( $messageMemc ) .
 789         ', session: ' . get_class( ObjectCache::getInstance( $wgSessionCacheType ) )
 790 );
 791
 792 Profiler::instance()->scopedProfileOut( $ps_memcached );
 793
 794 // Most of the config is out, some might want to run hooks here.
 795 Hooks::run( 'SetupAfterCache' );
 796
 797 $ps_globals = Profiler::instance()->scopedProfileIn( $fname . '-globals' );
 798
 799 /**
 800  * @var Language $wgContLang
 801  */
 802 $wgContLang = Language::factory( $wgLanguageCode );
 803 $wgContLang->initContLang();
 804
 805 // Now that variant lists may be available...
 806 $wgRequest->interpolateTitle();
 807
 808 if ( !is_object( $wgAuth ) ) {
 809         $wgAuth = new MediaWiki\Auth\AuthManagerAuthPlugin;
 810         Hooks::run( 'AuthPluginSetup', [ &$wgAuth ] );
 811 }
 812 if ( $wgAuth && !$wgAuth instanceof MediaWiki\Auth\AuthManagerAuthPlugin ) {
 813         MediaWiki\Auth\AuthManager::singleton()->forcePrimaryAuthenticationProviders( [
 814                 new MediaWiki\Auth\TemporaryPasswordPrimaryAuthenticationProvider( [
 815                         'authoritative' => false,
 816                 ] ),
 817                 new MediaWiki\Auth\AuthPluginPrimaryAuthenticationProvider( $wgAuth ),
 818                 new MediaWiki\Auth\LocalPasswordPrimaryAuthenticationProvider( [
 819                         'authoritative' => true,
 820                 ] ),
 821         ], '$wgAuth is ' . get_class( $wgAuth ) );
 822 }
 823
 824 // Set up the session
 825 $ps_session = Profiler::instance()->scopedProfileIn( $fname . '-session' );
 826 /**
 827  * @var MediaWiki\Session\SessionId|null $wgInitialSessionId The persistent
 828  * session ID (if any) loaded at startup
 829  */
 830 $wgInitialSessionId = null;
 831 if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
 832         // If session.auto_start is there, we can't touch session name
 833         if ( $wgPHPSessionHandling !== 'disable' && !wfIniGetBool( 'session.auto_start' ) ) {
 834                 session_name( $wgSessionName ? $wgSessionName : $wgCookiePrefix . '_session' );
 835         }
 836
 837         // Create the SessionManager singleton and set up our session handler,
 838         // unless we're specifically asked not to.
 839         if ( !defined( 'MW_NO_SESSION_HANDLER' ) ) {
 840                 MediaWiki\Session\PHPSessionHandler::install(
 841                         MediaWiki\Session\SessionManager::singleton()
 842                 );
 843         }
 844
 845         // Initialize the session
 846         try {
 847                 $session = MediaWiki\Session\SessionManager::getGlobalSession();
 848         } catch ( OverflowException $ex ) {
 849                 if ( isset( $ex->sessionInfos ) && count( $ex->sessionInfos ) >= 2 ) {
 850                         // The exception is because the request had multiple possible
 851                         // sessions tied for top priority. Report this to the user.
 852                         $list = [];
 853                         foreach ( $ex->sessionInfos as $info ) {
 854                                 $list[] = $info->getProvider()->describe( $wgContLang );
 855                         }
 856                         $list = $wgContLang->listToText( $list );
 857                         throw new HttpError( 400,
 858                                 Message::newFromKey( 'sessionmanager-tie', $list )->inLanguage( $wgContLang )->plain()
 859                         );
 860                 }
 861
 862                 // Not the one we want, rethrow
 863                 throw $ex;
 864         }
 865
 866         if ( $session->isPersistent() ) {
 867                 $wgInitialSessionId = $session->getSessionId();
 868         }
 869
 870         $session->renew();
 871         if ( MediaWiki\Session\PHPSessionHandler::isEnabled() &&
 872                 ( $session->isPersistent() || $session->shouldRememberUser() )
 873         ) {
 874                 // Start the PHP-session for backwards compatibility
 875                 session_id( $session->getId() );
 876                 Wikimedia\quietCall( 'session_start' );
 877         }
 878
 879         unset( $session );
 880 } else {
 881         // Even if we didn't set up a global Session, still install our session
 882         // handler unless specifically requested not to.
 883         if ( !defined( 'MW_NO_SESSION_HANDLER' ) ) {
 884                 MediaWiki\Session\PHPSessionHandler::install(
 885                         MediaWiki\Session\SessionManager::singleton()
 886                 );
 887         }
 888 }
 889 Profiler::instance()->scopedProfileOut( $ps_session );
 890
 891 /**
 892  * @var User $wgUser
 893  */
 894 $wgUser = RequestContext::getMain()->getUser(); // BackCompat
 895
 896 /**
 897  * @var Language $wgLang
 898  */
 899 $wgLang = new StubUserLang;
 900
 901 /**
 902  * @var OutputPage $wgOut
 903  */
 904 $wgOut = RequestContext::getMain()->getOutput(); // BackCompat
 905
 906 /**
 907  * @var Parser $wgParser
 908  */
 909 $wgParser = new StubObject( 'wgParser', function () {
 910         return MediaWikiServices::getInstance()->getParser();
 911 } );
 912
 913 /**
 914  * @var Title $wgTitle
 915  */
 916 $wgTitle = null;
 917
 918 Profiler::instance()->scopedProfileOut( $ps_globals );
 919 $ps_extensions = Profiler::instance()->scopedProfileIn( $fname . '-extensions' );
 920
 921 // Extension setup functions
 922 // Entries should be added to this variable during the inclusion
 923 // of the extension file. This allows the extension to perform
 924 // any necessary initialisation in the fully initialised environment
 925 foreach ( $wgExtensionFunctions as $func ) {
 926         // Allow closures in PHP 5.3+
 927         if ( is_object( $func ) && $func instanceof Closure ) {
 928                 $profName = $fname . '-extensions-closure';
 929         } elseif ( is_array( $func ) ) {
 930                 if ( is_object( $func[0] ) ) {
 931                         $profName = $fname . '-extensions-' . get_class( $func[0] ) . '::' . $func[1];
 932                 } else {
 933                         $profName = $fname . '-extensions-' . implode( '::', $func );
 934                 }
 935         } else {
 936                 $profName = $fname . '-extensions-' . strval( $func );
 937         }
 938
 939         $ps_ext_func = Profiler::instance()->scopedProfileIn( $profName );
 940         call_user_func( $func );
 941         Profiler::instance()->scopedProfileOut( $ps_ext_func );
 942 }
 943
 944 // If the session user has a 0 id but a valid name, that means we need to
 945 // autocreate it.
 946 if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
 947         $sessionUser = MediaWiki\Session\SessionManager::getGlobalSession()->getUser();
 948         if ( $sessionUser->getId() === 0 && User::isValidUserName( $sessionUser->getName() ) ) {
 949                 $ps_autocreate = Profiler::instance()->scopedProfileIn( $fname . '-autocreate' );
 950                 $res = MediaWiki\Auth\AuthManager::singleton()->autoCreateUser(
 951                         $sessionUser,
 952                         MediaWiki\Auth\AuthManager::AUTOCREATE_SOURCE_SESSION,
 953                         true
 954                 );
 955                 Profiler::instance()->scopedProfileOut( $ps_autocreate );
 956                 \MediaWiki\Logger\LoggerFactory::getInstance( 'authevents' )->info( 'Autocreation attempt', [
 957                         'event' => 'autocreate',
 958                         'status' => $res,
 959                 ] );
 960                 unset( $res );
 961         }
 962         unset( $sessionUser );
 963 }
 964
 965 if ( !$wgCommandLineMode ) {
 966         Pingback::schedulePingback();
 967 }
 968
 969 $wgFullyInitialised = true;
 970
 971 Profiler::instance()->scopedProfileOut( $ps_extensions );
 972 Profiler::instance()->scopedProfileOut( $ps_setup );