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 $fname = 'Setup.php';
  37 $ps_setup = Profiler::instance()->scopedProfileIn( $fname );
  38
  39 // Load queued extensions
  40 ExtensionRegistry::getInstance()->loadFromQueue();
  41 // Don't let any other extensions load
  42 ExtensionRegistry::getInstance()->finish();
  43
  44 // Check to see if we are at the file scope
  45 if ( !isset( $wgVersion ) ) {
  46         echo "Error, Setup.php must be included from the file scope, after DefaultSettings.php\n";
  47         die( 1 );
  48 }
  49
  50 mb_internal_encoding( 'UTF-8' );
  51
  52 // Set various default paths sensibly...
  53 $ps_default = Profiler::instance()->scopedProfileIn( $fname . '-defaults' );
  54
  55 if ( $wgScript === false ) {
  56         $wgScript = "$wgScriptPath/index.php";
  57 }
  58 if ( $wgLoadScript === false ) {
  59         $wgLoadScript = "$wgScriptPath/load.php";
  60 }
  61
  62 if ( $wgArticlePath === false ) {
  63         if ( $wgUsePathInfo ) {
  64                 $wgArticlePath = "$wgScript/$1";
  65         } else {
  66                 $wgArticlePath = "$wgScript?title=$1";
  67         }
  68 }
  69
  70 if ( !empty( $wgActionPaths ) && !isset( $wgActionPaths['view'] ) ) {
  71         // 'view' is assumed the default action path everywhere in the code
  72         // but is rarely filled in $wgActionPaths
  73         $wgActionPaths['view'] = $wgArticlePath;
  74 }
  75
  76 if ( $wgResourceBasePath === null ) {
  77         $wgResourceBasePath = $wgScriptPath;
  78 }
  79 if ( $wgStylePath === false ) {
  80         $wgStylePath = "$wgResourceBasePath/skins";
  81 }
  82 if ( $wgLocalStylePath === false ) {
  83         // Avoid wgResourceBasePath here since that may point to a different domain (e.g. CDN)
  84         $wgLocalStylePath = "$wgScriptPath/skins";
  85 }
  86 if ( $wgExtensionAssetsPath === false ) {
  87         $wgExtensionAssetsPath = "$wgResourceBasePath/extensions";
  88 }
  89
  90 if ( $wgLogo === false ) {
  91         $wgLogo = "$wgResourceBasePath/resources/assets/wiki.png";
  92 }
  93
  94 if ( $wgUploadPath === false ) {
  95         $wgUploadPath = "$wgScriptPath/images";
  96 }
  97 if ( $wgUploadDirectory === false ) {
  98         $wgUploadDirectory = "$IP/images";
  99 }
 100 if ( $wgReadOnlyFile === false ) {
 101         $wgReadOnlyFile = "{$wgUploadDirectory}/lock_yBgMBwiR";
 102 }
 103 if ( $wgFileCacheDirectory === false ) {
 104         $wgFileCacheDirectory = "{$wgUploadDirectory}/cache";
 105 }
 106 if ( $wgDeletedDirectory === false ) {
 107         $wgDeletedDirectory = "{$wgUploadDirectory}/deleted";
 108 }
 109
 110 if ( $wgGitInfoCacheDirectory === false && $wgCacheDirectory !== false ) {
 111         $wgGitInfoCacheDirectory = "{$wgCacheDirectory}/gitinfo";
 112 }
 113
 114 if ( $wgEnableParserCache === false ) {
 115         $wgParserCacheType = CACHE_NONE;
 116 }
 117
 118 // Fix path to icon images after they were moved in 1.24
 119 if ( $wgRightsIcon ) {
 120         $wgRightsIcon = str_replace(
 121                 "{$wgStylePath}/common/images/",
 122                 "{$wgResourceBasePath}/resources/assets/licenses/",
 123                 $wgRightsIcon
 124         );
 125 }
 126
 127 if ( isset( $wgFooterIcons['copyright']['copyright'] )
 128         && $wgFooterIcons['copyright']['copyright'] === []
 129 ) {
 130         if ( $wgRightsIcon || $wgRightsText ) {
 131                 $wgFooterIcons['copyright']['copyright'] = [
 132                         'url' => $wgRightsUrl,
 133                         'src' => $wgRightsIcon,
 134                         'alt' => $wgRightsText,
 135                 ];
 136         }
 137 }
 138
 139 if ( isset( $wgFooterIcons['poweredby'] )
 140         && isset( $wgFooterIcons['poweredby']['mediawiki'] )
 141         && $wgFooterIcons['poweredby']['mediawiki']['src'] === null
 142 ) {
 143         $wgFooterIcons['poweredby']['mediawiki']['src'] =
 144                 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_88x31.png";
 145         $wgFooterIcons['poweredby']['mediawiki']['srcset'] =
 146                 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_132x47.png 1.5x, " .
 147                 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_176x62.png 2x";
 148 }
 149
 150 /**
 151  * Unconditional protection for NS_MEDIAWIKI since otherwise it's too easy for a
 152  * sysadmin to set $wgNamespaceProtection incorrectly and leave the wiki insecure.
 153  *
 154  * Note that this is the definition of editinterface and it can be granted to
 155  * all users if desired.
 156  */
 157 $wgNamespaceProtection[NS_MEDIAWIKI] = 'editinterface';
 158
 159 /**
 160  * The canonical names of namespaces 6 and 7 are, as of v1.14, "File"
 161  * and "File_talk".  The old names "Image" and "Image_talk" are
 162  * retained as aliases for backwards compatibility.
 163  */
 164 $wgNamespaceAliases['Image'] = NS_FILE;
 165 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
 166
 167 /**
 168  * Initialise $wgLockManagers to include basic FS version
 169  */
 170 $wgLockManagers[] = [
 171         'name' => 'fsLockManager',
 172         'class' => 'FSLockManager',
 173         'lockDirectory' => "{$wgUploadDirectory}/lockdir",
 174 ];
 175 $wgLockManagers[] = [
 176         'name' => 'nullLockManager',
 177         'class' => 'NullLockManager',
 178 ];
 179
 180 /**
 181  * Initialise $wgLocalFileRepo from backwards-compatible settings
 182  */
 183 if ( !$wgLocalFileRepo ) {
 184         $wgLocalFileRepo = [
 185                 'class' => 'LocalRepo',
 186                 'name' => 'local',
 187                 'directory' => $wgUploadDirectory,
 188                 'scriptDirUrl' => $wgScriptPath,
 189                 'scriptExtension' => '.php',
 190                 'url' => $wgUploadBaseUrl ? $wgUploadBaseUrl . $wgUploadPath : $wgUploadPath,
 191                 'hashLevels' => $wgHashedUploadDirectory ? 2 : 0,
 192                 'thumbScriptUrl' => $wgThumbnailScriptPath,
 193                 'transformVia404' => !$wgGenerateThumbnailOnParse,
 194                 'deletedDir' => $wgDeletedDirectory,
 195                 'deletedHashLevels' => $wgHashedUploadDirectory ? 3 : 0
 196         ];
 197 }
 198 /**
 199  * Initialise shared repo from backwards-compatible settings
 200  */
 201 if ( $wgUseSharedUploads ) {
 202         if ( $wgSharedUploadDBname ) {
 203                 $wgForeignFileRepos[] = [
 204                         'class' => 'ForeignDBRepo',
 205                         'name' => 'shared',
 206                         'directory' => $wgSharedUploadDirectory,
 207                         'url' => $wgSharedUploadPath,
 208                         'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
 209                         'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
 210                         'transformVia404' => !$wgGenerateThumbnailOnParse,
 211                         'dbType' => $wgDBtype,
 212                         'dbServer' => $wgDBserver,
 213                         'dbUser' => $wgDBuser,
 214                         'dbPassword' => $wgDBpassword,
 215                         'dbName' => $wgSharedUploadDBname,
 216                         'dbFlags' => ( $wgDebugDumpSql ? DBO_DEBUG : 0 ) | DBO_DEFAULT,
 217                         'tablePrefix' => $wgSharedUploadDBprefix,
 218                         'hasSharedCache' => $wgCacheSharedUploads,
 219                         'descBaseUrl' => $wgRepositoryBaseUrl,
 220                         'fetchDescription' => $wgFetchCommonsDescriptions,
 221                 ];
 222         } else {
 223                 $wgForeignFileRepos[] = [
 224                         'class' => 'FileRepo',
 225                         'name' => 'shared',
 226                         'directory' => $wgSharedUploadDirectory,
 227                         'url' => $wgSharedUploadPath,
 228                         'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
 229                         'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
 230                         'transformVia404' => !$wgGenerateThumbnailOnParse,
 231                         'descBaseUrl' => $wgRepositoryBaseUrl,
 232                         'fetchDescription' => $wgFetchCommonsDescriptions,
 233                 ];
 234         }
 235 }
 236 if ( $wgUseInstantCommons ) {
 237         $wgForeignFileRepos[] = [
 238                 'class' => 'ForeignAPIRepo',
 239                 'name' => 'wikimediacommons',
 240                 'apibase' => 'https://commons.wikimedia.org/w/api.php',
 241                 'url' => 'https://upload.wikimedia.org/wikipedia/commons',
 242                 'thumbUrl' => 'https://upload.wikimedia.org/wikipedia/commons/thumb',
 243                 'hashLevels' => 2,
 244                 'transformVia404' => true,
 245                 'fetchDescription' => true,
 246                 'descriptionCacheExpiry' => 43200,
 247                 'apiThumbCacheExpiry' => 86400,
 248         ];
 249 }
 250 /*
 251  * Add on default file backend config for file repos.
 252  * FileBackendGroup will handle initializing the backends.
 253  */
 254 if ( !isset( $wgLocalFileRepo['backend'] ) ) {
 255         $wgLocalFileRepo['backend'] = $wgLocalFileRepo['name'] . '-backend';
 256 }
 257 foreach ( $wgForeignFileRepos as &$repo ) {
 258         if ( !isset( $repo['directory'] ) && $repo['class'] === 'ForeignAPIRepo' ) {
 259                 $repo['directory'] = $wgUploadDirectory; // b/c
 260         }
 261         if ( !isset( $repo['backend'] ) ) {
 262                 $repo['backend'] = $repo['name'] . '-backend';
 263         }
 264 }
 265 unset( $repo ); // no global pollution; destroy reference
 266
 267 $rcMaxAgeDays = $wgRCMaxAge / ( 3600 * 24 );
 268 if ( $wgRCFilterByAge ) {
 269         // Trim down $wgRCLinkDays so that it only lists links which are valid
 270         // as determined by $wgRCMaxAge.
 271         // Note that we allow 1 link higher than the max for things like 56 days but a 60 day link.
 272         sort( $wgRCLinkDays );
 273
 274         // @codingStandardsIgnoreStart Generic.CodeAnalysis.ForLoopWithTestFunctionCall.NotAllowed
 275         for ( $i = 0; $i < count( $wgRCLinkDays ); $i++ ) {
 276                 // @codingStandardsIgnoreEnd
 277                 if ( $wgRCLinkDays[$i] >= $rcMaxAgeDays ) {
 278                         $wgRCLinkDays = array_slice( $wgRCLinkDays, 0, $i + 1, false );
 279                         break;
 280                 }
 281         }
 282 }
 283 // Ensure that default user options are not invalid, since that breaks Special:Preferences
 284 $wgDefaultUserOptions['rcdays'] = min(
 285         $wgDefaultUserOptions['rcdays'],
 286         ceil( $rcMaxAgeDays )
 287 );
 288 $wgDefaultUserOptions['watchlistdays'] = min(
 289         $wgDefaultUserOptions['watchlistdays'],
 290         ceil( $rcMaxAgeDays )
 291 );
 292 unset( $rcMaxAgeDays );
 293
 294 if ( $wgSkipSkin ) {
 295         $wgSkipSkins[] = $wgSkipSkin;
 296 }
 297
 298 $wgSkipSkins[] = 'fallback';
 299 $wgSkipSkins[] = 'apioutput';
 300
 301 if ( $wgLocalInterwiki ) {
 302         array_unshift( $wgLocalInterwikis, $wgLocalInterwiki );
 303 }
 304
 305 // Set default shared prefix
 306 if ( $wgSharedPrefix === false ) {
 307         $wgSharedPrefix = $wgDBprefix;
 308 }
 309
 310 // Set default shared schema
 311 if ( $wgSharedSchema === false ) {
 312         $wgSharedSchema = $wgDBmwschema;
 313 }
 314
 315 if ( !$wgCookiePrefix ) {
 316         if ( $wgSharedDB && $wgSharedPrefix && in_array( 'user', $wgSharedTables ) ) {
 317                 $wgCookiePrefix = $wgSharedDB . '_' . $wgSharedPrefix;
 318         } elseif ( $wgSharedDB && in_array( 'user', $wgSharedTables ) ) {
 319                 $wgCookiePrefix = $wgSharedDB;
 320         } elseif ( $wgDBprefix ) {
 321                 $wgCookiePrefix = $wgDBname . '_' . $wgDBprefix;
 322         } else {
 323                 $wgCookiePrefix = $wgDBname;
 324         }
 325 }
 326 $wgCookiePrefix = strtr( $wgCookiePrefix, '=,; +."\'\\[', '__________' );
 327
 328 if ( $wgEnableEmail ) {
 329         $wgUseEnotif = $wgEnotifUserTalk || $wgEnotifWatchlist;
 330 } else {
 331         // Disable all other email settings automatically if $wgEnableEmail
 332         // is set to false. - bug 63678
 333         $wgAllowHTMLEmail = false;
 334         $wgEmailAuthentication = false; // do not require auth if you're not sending email anyway
 335         $wgEnableUserEmail = false;
 336         $wgEnotifFromEditor = false;
 337         $wgEnotifImpersonal = false;
 338         $wgEnotifMaxRecips = 0;
 339         $wgEnotifMinorEdits = false;
 340         $wgEnotifRevealEditorAddress = false;
 341         $wgEnotifUseRealName = false;
 342         $wgEnotifUserTalk = false;
 343         $wgEnotifWatchlist = false;
 344         unset( $wgGroupPermissions['user']['sendemail'] );
 345         $wgUseEnotif = false;
 346         $wgUserEmailUseReplyTo = false;
 347         $wgUsersNotifiedOnAllChanges = [];
 348 }
 349
 350 if ( $wgMetaNamespace === false ) {
 351         $wgMetaNamespace = str_replace( ' ', '_', $wgSitename );
 352 }
 353
 354 // Default value is 2000 or the suhosin limit if it is between 1 and 2000
 355 if ( $wgResourceLoaderMaxQueryLength === false ) {
 356         $suhosinMaxValueLength = (int)ini_get( 'suhosin.get.max_value_length' );
 357         if ( $suhosinMaxValueLength > 0 && $suhosinMaxValueLength < 2000 ) {
 358                 $wgResourceLoaderMaxQueryLength = $suhosinMaxValueLength;
 359         } else {
 360                 $wgResourceLoaderMaxQueryLength = 2000;
 361         }
 362         unset( $suhosinMaxValueLength );
 363 }
 364
 365 // Ensure the minimum chunk size is less than PHP upload limits or the maximum
 366 // upload size.
 367 $wgMinUploadChunkSize = min(
 368         $wgMinUploadChunkSize,
 369         UploadBase::getMaxUploadSize( 'file' ),
 370         UploadBase::getMaxPhpUploadSize(),
 371         ( wfShorthandToInteger(
 372                 ini_get( 'post_max_size' ) ?: ini_get( 'hhvm.server.max_post_size' ),
 373                 PHP_INT_MAX
 374         ) ?: PHP_INT_MAX ) - 1024 // Leave some room for other POST parameters
 375 );
 376
 377 /**
 378  * Definitions of the NS_ constants are in Defines.php
 379  * @private
 380  */
 381 $wgCanonicalNamespaceNames = [
 382         NS_MEDIA            => 'Media',
 383         NS_SPECIAL          => 'Special',
 384         NS_TALK             => 'Talk',
 385         NS_USER             => 'User',
 386         NS_USER_TALK        => 'User_talk',
 387         NS_PROJECT          => 'Project',
 388         NS_PROJECT_TALK     => 'Project_talk',
 389         NS_FILE             => 'File',
 390         NS_FILE_TALK        => 'File_talk',
 391         NS_MEDIAWIKI        => 'MediaWiki',
 392         NS_MEDIAWIKI_TALK   => 'MediaWiki_talk',
 393         NS_TEMPLATE         => 'Template',
 394         NS_TEMPLATE_TALK    => 'Template_talk',
 395         NS_HELP             => 'Help',
 396         NS_HELP_TALK        => 'Help_talk',
 397         NS_CATEGORY         => 'Category',
 398         NS_CATEGORY_TALK    => 'Category_talk',
 399 ];
 400
 401 /// @todo UGLY UGLY
 402 if ( is_array( $wgExtraNamespaces ) ) {
 403         $wgCanonicalNamespaceNames = $wgCanonicalNamespaceNames + $wgExtraNamespaces;
 404 }
 405
 406 // These are now the same, always
 407 // To determine the user language, use $wgLang->getCode()
 408 $wgContLanguageCode = $wgLanguageCode;
 409
 410 // Easy to forget to falsify $wgDebugToolbar for static caches.
 411 // If file cache or CDN cache is on, just disable this (DWIMD).
 412 if ( $wgUseFileCache || $wgUseSquid ) {
 413         $wgDebugToolbar = false;
 414 }
 415
 416 // We always output HTML5 since 1.22, overriding these is no longer supported
 417 // we set them here for extensions that depend on its value.
 418 $wgHtml5 = true;
 419 $wgXhtmlDefaultNamespace = 'http://www.w3.org/1999/xhtml';
 420 $wgJsMimeType = 'text/javascript';
 421
 422 // Blacklisted file extensions shouldn't appear on the "allowed" list
 423 $wgFileExtensions = array_values( array_diff( $wgFileExtensions, $wgFileBlacklist ) );
 424
 425 if ( $wgInvalidateCacheOnLocalSettingsChange ) {
 426         MediaWiki\suppressWarnings();
 427         $wgCacheEpoch = max( $wgCacheEpoch, gmdate( 'YmdHis', filemtime( "$IP/LocalSettings.php" ) ) );
 428         MediaWiki\restoreWarnings();
 429 }
 430
 431 if ( $wgNewUserLog ) {
 432         // Add a new log type
 433         $wgLogTypes[] = 'newusers';
 434         $wgLogNames['newusers'] = 'newuserlogpage';
 435         $wgLogHeaders['newusers'] = 'newuserlogpagetext';
 436         $wgLogActionsHandlers['newusers/newusers'] = 'NewUsersLogFormatter';
 437         $wgLogActionsHandlers['newusers/create'] = 'NewUsersLogFormatter';
 438         $wgLogActionsHandlers['newusers/create2'] = 'NewUsersLogFormatter';
 439         $wgLogActionsHandlers['newusers/byemail'] = 'NewUsersLogFormatter';
 440         $wgLogActionsHandlers['newusers/autocreate'] = 'NewUsersLogFormatter';
 441 }
 442
 443 if ( $wgPageLanguageUseDB ) {
 444         $wgLogTypes[] = 'pagelang';
 445         $wgLogActionsHandlers['pagelang/pagelang'] = 'PageLangLogFormatter';
 446 }
 447
 448 if ( $wgCookieSecure === 'detect' ) {
 449         $wgCookieSecure = ( WebRequest::detectProtocol() === 'https' );
 450 }
 451
 452 if ( $wgProfileOnly ) {
 453         $wgDebugLogGroups['profileoutput'] = $wgDebugLogFile;
 454         $wgDebugLogFile = '';
 455 }
 456
 457 // Backwards compatibility with old password limits
 458 if ( $wgMinimalPasswordLength !== false ) {
 459         $wgPasswordPolicy['policies']['default']['MinimalPasswordLength'] = $wgMinimalPasswordLength;
 460 }
 461
 462 if ( $wgMaximalPasswordLength !== false ) {
 463         $wgPasswordPolicy['policies']['default']['MaximalPasswordLength'] = $wgMaximalPasswordLength;
 464 }
 465
 466 // Backwards compatibility warning
 467 if ( !$wgSessionsInObjectCache ) {
 468         wfDeprecated( '$wgSessionsInObjectCache = false', '1.27' );
 469         if ( $wgSessionHandler ) {
 470                 wfDeprecated( '$wgSessionsHandler', '1.27' );
 471         }
 472         $cacheType = get_class( ObjectCache::getInstance( $wgSessionCacheType ) );
 473         wfDebugLog(
 474                 'caches',
 475                 "Session data will be stored in \"$cacheType\" cache with " .
 476                         "expiry $wgObjectCacheSessionExpiry seconds"
 477         );
 478 }
 479 $wgSessionsInObjectCache = true;
 480
 481 if ( $wgPHPSessionHandling !== 'enable' &&
 482         $wgPHPSessionHandling !== 'warn' &&
 483         $wgPHPSessionHandling !== 'disable'
 484 ) {
 485         $wgPHPSessionHandling = 'warn';
 486 }
 487 if ( defined( 'MW_NO_SESSION' ) ) {
 488         // If the entry point wants no session, force 'disable' here unless they
 489         // specifically set it to the (undocumented) 'warn'.
 490         $wgPHPSessionHandling = MW_NO_SESSION === 'warn' ? 'warn' : 'disable';
 491 }
 492
 493 Profiler::instance()->scopedProfileOut( $ps_default );
 494
 495 // Disable MWDebug for command line mode, this prevents MWDebug from eating up
 496 // all the memory from logging SQL queries on maintenance scripts
 497 global $wgCommandLineMode;
 498 if ( $wgDebugToolbar && !$wgCommandLineMode ) {
 499         MWDebug::init();
 500 }
 501
 502 if ( !class_exists( 'AutoLoader' ) ) {
 503         require_once "$IP/includes/AutoLoader.php";
 504 }
 505
 506 // Reset the global service locator, so any services that have already been created will be
 507 // re-created while taking into account any custom settings and extensions.
 508 MediaWikiServices::resetGlobalInstance( new GlobalVarConfig(), 'quick' );
 509
 510 if ( $wgSharedDB && $wgSharedTables ) {
 511         // Apply $wgSharedDB table aliases for the local LB (all non-foreign DB connections)
 512         MediaWikiServices::getInstance()->getDBLoadBalancer()->setTableAliases(
 513                 array_fill_keys(
 514                         $wgSharedTables,
 515                         [
 516                                 'dbname' => $wgSharedDB,
 517                                 'schema' => $wgSharedSchema,
 518                                 'prefix' => $wgSharedPrefix
 519                         ]
 520                 )
 521         );
 522 }
 523
 524 // Define a constant that indicates that the bootstrapping of the service locator
 525 // is complete.
 526 define( 'MW_SERVICE_BOOTSTRAP_COMPLETE', 1 );
 527
 528 // Install a header callback to prevent caching of responses with cookies (T127993)
 529 if ( !$wgCommandLineMode ) {
 530         header_register_callback( function () {
 531                 $headers = [];
 532                 foreach ( headers_list() as $header ) {
 533                         list( $name, $value ) = explode( ':', $header, 2 );
 534                         $headers[strtolower( trim( $name ) )][] = trim( $value );
 535                 }
 536
 537                 if ( isset( $headers['set-cookie'] ) ) {
 538                         $cacheControl = isset( $headers['cache-control'] )
 539                                 ? implode( ', ', $headers['cache-control'] )
 540                                 : '';
 541
 542                         if ( !preg_match( '/(?:^|,)\s*(?:private|no-cache|no-store)\s*(?:$|,)/i', $cacheControl ) ) {
 543                                 header( 'Expires: Thu, 01 Jan 1970 00:00:00 GMT' );
 544                                 header( 'Cache-Control: private, max-age=0, s-maxage=0' );
 545                                 MediaWiki\Logger\LoggerFactory::getInstance( 'cache-cookies' )->warning(
 546                                         'Cookies set on {url} with Cache-Control "{cache-control}"', [
 547                                                 'url' => WebRequest::getGlobalRequestURL(),
 548                                                 'cookies' => $headers['set-cookie'],
 549                                                 'cache-control' => $cacheControl ?: '<not set>',
 550                                         ]
 551                                 );
 552                         }
 553                 }
 554         } );
 555 }
 556
 557 MWExceptionHandler::installHandler();
 558
 559 require_once "$IP/includes/compat/normal/UtfNormalUtil.php";
 560
 561 $ps_validation = Profiler::instance()->scopedProfileIn( $fname . '-validation' );
 562
 563 // T48998: Bail out early if $wgArticlePath is non-absolute
 564 foreach ( [ 'wgArticlePath', 'wgVariantArticlePath' ] as $varName ) {
 565         if ( $$varName && !preg_match( '/^(https?:\/\/|\/)/', $$varName ) ) {
 566                 throw new FatalError(
 567                         "If you use a relative URL for \$$varName, it must start " .
 568                         'with a slash (<code>/</code>).<br><br>See ' .
 569                         "<a href=\"https://www.mediawiki.org/wiki/Manual:\$$varName\">" .
 570                         "https://www.mediawiki.org/wiki/Manual:\$$varName</a>."
 571                 );
 572         }
 573 }
 574
 575 Profiler::instance()->scopedProfileOut( $ps_validation );
 576
 577 $ps_default2 = Profiler::instance()->scopedProfileIn( $fname . '-defaults2' );
 578
 579 if ( $wgCanonicalServer === false ) {
 580         $wgCanonicalServer = wfExpandUrl( $wgServer, PROTO_HTTP );
 581 }
 582
 583 // Set server name
 584 $serverParts = wfParseUrl( $wgCanonicalServer );
 585 if ( $wgServerName !== false ) {
 586         wfWarn( '$wgServerName should be derived from $wgCanonicalServer, '
 587                 . 'not customized. Overwriting $wgServerName.' );
 588 }
 589 $wgServerName = $serverParts['host'];
 590 unset( $serverParts );
 591
 592 // Set defaults for configuration variables
 593 // that are derived from the server name by default
 594 // Note: $wgEmergencyContact and $wgPasswordSender may be false or empty string (T104142)
 595 if ( !$wgEmergencyContact ) {
 596         $wgEmergencyContact = 'wikiadmin@' . $wgServerName;
 597 }
 598 if ( !$wgPasswordSender ) {
 599         $wgPasswordSender = 'apache@' . $wgServerName;
 600 }
 601 if ( !$wgNoReplyAddress ) {
 602         $wgNoReplyAddress = $wgPasswordSender;
 603 }
 604
 605 if ( $wgSecureLogin && substr( $wgServer, 0, 2 ) !== '//' ) {
 606         $wgSecureLogin = false;
 607         wfWarn( 'Secure login was enabled on a server that only supports '
 608                 . 'HTTP or HTTPS. Disabling secure login.' );
 609 }
 610
 611 $wgVirtualRestConfig['global']['domain'] = $wgCanonicalServer;
 612
 613 // Now that GlobalFunctions is loaded, set defaults that depend on it.
 614 if ( $wgTmpDirectory === false ) {
 615         $wgTmpDirectory = wfTempDir();
 616 }
 617
 618 // We don't use counters anymore. Left here for extensions still
 619 // expecting this to exist. Should be removed sometime 1.26 or later.
 620 if ( !isset( $wgDisableCounters ) ) {
 621         $wgDisableCounters = true;
 622 }
 623
 624 if ( $wgMainWANCache === false ) {
 625         // Setup a WAN cache from $wgMainCacheType with no relayer.
 626         // Sites using multiple datacenters can configure a relayer.
 627         $wgMainWANCache = 'mediawiki-main-default';
 628         $wgWANObjectCaches[$wgMainWANCache] = [
 629                 'class'    => 'WANObjectCache',
 630                 'cacheId'  => $wgMainCacheType,
 631                 'channels' => [ 'purge' => 'wancache-main-default-purge' ]
 632         ];
 633 }
 634
 635 Profiler::instance()->scopedProfileOut( $ps_default2 );
 636
 637 $ps_misc = Profiler::instance()->scopedProfileIn( $fname . '-misc1' );
 638
 639 // Raise the memory limit if it's too low
 640 wfMemoryLimit();
 641
 642 /**
 643  * Set up the timezone, suppressing the pseudo-security warning in PHP 5.1+
 644  * that happens whenever you use a date function without the timezone being
 645  * explicitly set. Inspired by phpMyAdmin's treatment of the problem.
 646  */
 647 if ( is_null( $wgLocaltimezone ) ) {
 648         MediaWiki\suppressWarnings();
 649         $wgLocaltimezone = date_default_timezone_get();
 650         MediaWiki\restoreWarnings();
 651 }
 652
 653 date_default_timezone_set( $wgLocaltimezone );
 654 if ( is_null( $wgLocalTZoffset ) ) {
 655         $wgLocalTZoffset = date( 'Z' ) / 60;
 656 }
 657 // The part after the System| is ignored, but rest of MW fills it
 658 // out as the local offset.
 659 $wgDefaultUserOptions['timecorrection'] = "System|$wgLocalTZoffset";
 660
 661 if ( !$wgDBerrorLogTZ ) {
 662         $wgDBerrorLogTZ = $wgLocaltimezone;
 663 }
 664
 665 // initialize the request object in $wgRequest
 666 $wgRequest = RequestContext::getMain()->getRequest(); // BackCompat
 667 // Set user IP/agent information for causal consistency purposes
 668 MediaWikiServices::getInstance()->getDBLoadBalancerFactory()->setRequestInfo( [
 669         'IPAddress' => $wgRequest->getIP(),
 670         'UserAgent' => $wgRequest->getHeader( 'User-Agent' ),
 671         'ChronologyProtection' => $wgRequest->getHeader( 'ChronologyProtection' )
 672 ] );
 673
 674 // Useful debug output
 675 if ( $wgCommandLineMode ) {
 676         wfDebug( "\n\nStart command line script $self\n" );
 677 } else {
 678         $debug = "\n\nStart request {$wgRequest->getMethod()} {$wgRequest->getRequestURL()}\n";
 679
 680         if ( $wgDebugPrintHttpHeaders ) {
 681                 $debug .= "HTTP HEADERS:\n";
 682
 683                 foreach ( $wgRequest->getAllHeaders() as $name => $value ) {
 684                         $debug .= "$name: $value\n";
 685                 }
 686         }
 687         wfDebug( $debug );
 688 }
 689
 690 Profiler::instance()->scopedProfileOut( $ps_misc );
 691 $ps_memcached = Profiler::instance()->scopedProfileIn( $fname . '-memcached' );
 692
 693 $wgMemc = wfGetMainCache();
 694 $messageMemc = wfGetMessageCacheStorage();
 695 $parserMemc = wfGetParserCacheStorage();
 696
 697 wfDebugLog( 'caches',
 698         'cluster: ' . get_class( $wgMemc ) .
 699         ', WAN: ' . ( $wgMainWANCache === CACHE_NONE ? 'CACHE_NONE' : $wgMainWANCache ) .
 700         ', stash: ' . $wgMainStash .
 701         ', message: ' . get_class( $messageMemc ) .
 702         ', parser: ' . get_class( $parserMemc ) .
 703         ', session: ' . get_class( ObjectCache::getInstance( $wgSessionCacheType ) )
 704 );
 705
 706 Profiler::instance()->scopedProfileOut( $ps_memcached );
 707
 708 // Most of the config is out, some might want to run hooks here.
 709 Hooks::run( 'SetupAfterCache' );
 710
 711 $ps_globals = Profiler::instance()->scopedProfileIn( $fname . '-globals' );
 712
 713 /**
 714  * @var Language $wgContLang
 715  */
 716 $wgContLang = Language::factory( $wgLanguageCode );
 717 $wgContLang->initContLang();
 718
 719 // Now that variant lists may be available...
 720 $wgRequest->interpolateTitle();
 721
 722 if ( !is_object( $wgAuth ) ) {
 723         $wgAuth = new MediaWiki\Auth\AuthManagerAuthPlugin;
 724         Hooks::run( 'AuthPluginSetup', [ &$wgAuth ] );
 725 }
 726 if ( $wgAuth && !$wgAuth instanceof MediaWiki\Auth\AuthManagerAuthPlugin ) {
 727         MediaWiki\Auth\AuthManager::singleton()->forcePrimaryAuthenticationProviders( [
 728                 new MediaWiki\Auth\TemporaryPasswordPrimaryAuthenticationProvider( [
 729                         'authoritative' => false,
 730                 ] ),
 731                 new MediaWiki\Auth\AuthPluginPrimaryAuthenticationProvider( $wgAuth ),
 732                 new MediaWiki\Auth\LocalPasswordPrimaryAuthenticationProvider( [
 733                         'authoritative' => true,
 734                 ] ),
 735         ], '$wgAuth is ' . get_class( $wgAuth ) );
 736 }
 737
 738 // Set up the session
 739 $ps_session = Profiler::instance()->scopedProfileIn( $fname . '-session' );
 740 /**
 741  * @var MediaWiki\Session\SessionId|null $wgInitialSessionId The persistent
 742  * session ID (if any) loaded at startup
 743  */
 744 $wgInitialSessionId = null;
 745 if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
 746         // If session.auto_start is there, we can't touch session name
 747         if ( $wgPHPSessionHandling !== 'disable' && !wfIniGetBool( 'session.auto_start' ) ) {
 748                 session_name( $wgSessionName ? $wgSessionName : $wgCookiePrefix . '_session' );
 749         }
 750
 751         // Create the SessionManager singleton and set up our session handler,
 752         // unless we're specifically asked not to.
 753         if ( !defined( 'MW_NO_SESSION_HANDLER' ) ) {
 754                 MediaWiki\Session\PHPSessionHandler::install(
 755                         MediaWiki\Session\SessionManager::singleton()
 756                 );
 757         }
 758
 759         // Initialize the session
 760         try {
 761                 $session = MediaWiki\Session\SessionManager::getGlobalSession();
 762         } catch ( OverflowException $ex ) {
 763                 if ( isset( $ex->sessionInfos ) && count( $ex->sessionInfos ) >= 2 ) {
 764                         // The exception is because the request had multiple possible
 765                         // sessions tied for top priority. Report this to the user.
 766                         $list = [];
 767                         foreach ( $ex->sessionInfos as $info ) {
 768                                 $list[] = $info->getProvider()->describe( $wgContLang );
 769                         }
 770                         $list = $wgContLang->listToText( $list );
 771                         throw new HttpError( 400,
 772                                 Message::newFromKey( 'sessionmanager-tie', $list )->inLanguage( $wgContLang )->plain()
 773                         );
 774                 }
 775
 776                 // Not the one we want, rethrow
 777                 throw $ex;
 778         }
 779
 780         if ( $session->isPersistent() ) {
 781                 $wgInitialSessionId = $session->getSessionId();
 782         }
 783
 784         $session->renew();
 785         if ( MediaWiki\Session\PHPSessionHandler::isEnabled() &&
 786                 ( $session->isPersistent() || $session->shouldRememberUser() )
 787         ) {
 788                 // Start the PHP-session for backwards compatibility
 789                 session_id( $session->getId() );
 790                 MediaWiki\quietCall( 'session_start' );
 791         }
 792
 793         unset( $session );
 794 } else {
 795         // Even if we didn't set up a global Session, still install our session
 796         // handler unless specifically requested not to.
 797         if ( !defined( 'MW_NO_SESSION_HANDLER' ) ) {
 798                 MediaWiki\Session\PHPSessionHandler::install(
 799                         MediaWiki\Session\SessionManager::singleton()
 800                 );
 801         }
 802 }
 803 Profiler::instance()->scopedProfileOut( $ps_session );
 804
 805 /**
 806  * @var User $wgUser
 807  */
 808 $wgUser = RequestContext::getMain()->getUser(); // BackCompat
 809
 810 /**
 811  * @var Language $wgLang
 812  */
 813 $wgLang = new StubUserLang;
 814
 815 /**
 816  * @var OutputPage $wgOut
 817  */
 818 $wgOut = RequestContext::getMain()->getOutput(); // BackCompat
 819
 820 /**
 821  * @var Parser $wgParser
 822  */
 823 $wgParser = new StubObject( 'wgParser', function () {
 824         return MediaWikiServices::getInstance()->getParser();
 825 } );
 826
 827 /**
 828  * @var Title $wgTitle
 829  */
 830 $wgTitle = null;
 831
 832 Profiler::instance()->scopedProfileOut( $ps_globals );
 833 $ps_extensions = Profiler::instance()->scopedProfileIn( $fname . '-extensions' );
 834
 835 // Extension setup functions
 836 // Entries should be added to this variable during the inclusion
 837 // of the extension file. This allows the extension to perform
 838 // any necessary initialisation in the fully initialised environment
 839 foreach ( $wgExtensionFunctions as $func ) {
 840         // Allow closures in PHP 5.3+
 841         if ( is_object( $func ) && $func instanceof Closure ) {
 842                 $profName = $fname . '-extensions-closure';
 843         } elseif ( is_array( $func ) ) {
 844                 if ( is_object( $func[0] ) ) {
 845                         $profName = $fname . '-extensions-' . get_class( $func[0] ) . '::' . $func[1];
 846                 } else {
 847                         $profName = $fname . '-extensions-' . implode( '::', $func );
 848                 }
 849         } else {
 850                 $profName = $fname . '-extensions-' . strval( $func );
 851         }
 852
 853         $ps_ext_func = Profiler::instance()->scopedProfileIn( $profName );
 854         call_user_func( $func );
 855         Profiler::instance()->scopedProfileOut( $ps_ext_func );
 856 }
 857
 858 // If the session user has a 0 id but a valid name, that means we need to
 859 // autocreate it.
 860 if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
 861         $sessionUser = MediaWiki\Session\SessionManager::getGlobalSession()->getUser();
 862         if ( $sessionUser->getId() === 0 && User::isValidUserName( $sessionUser->getName() ) ) {
 863                 $ps_autocreate = Profiler::instance()->scopedProfileIn( $fname . '-autocreate' );
 864                 $res = MediaWiki\Auth\AuthManager::singleton()->autoCreateUser(
 865                         $sessionUser,
 866                         MediaWiki\Auth\AuthManager::AUTOCREATE_SOURCE_SESSION,
 867                         true
 868                 );
 869                 Profiler::instance()->scopedProfileOut( $ps_autocreate );
 870                 \MediaWiki\Logger\LoggerFactory::getInstance( 'authevents' )->info( 'Autocreation attempt', [
 871                         'event' => 'autocreate',
 872                         'status' => $res,
 873                 ] );
 874                 unset( $res );
 875         }
 876         unset( $sessionUser );
 877 }
 878
 879 if ( !$wgCommandLineMode ) {
 880         Pingback::schedulePingback();
 881 }
 882
 883 wfDebug( "Fully initialised\n" );
 884 $wgFullyInitialised = true;
 885
 886 Profiler::instance()->scopedProfileOut( $ps_extensions );
 887 Profiler::instance()->scopedProfileOut( $ps_setup );