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
  27 /**
  28  * This file is not a valid entry point, perform no further processing unless
  29  * MEDIAWIKI is defined
  30  */
  31 if ( !defined( 'MEDIAWIKI' ) ) {
  32         exit( 1 );
  33 }
  34
  35 $fname = 'Setup.php';
  36 $ps_setup = Profiler::instance()->scopedProfileIn( $fname );
  37
  38 // If any extensions are still queued, force load them
  39 ExtensionRegistry::getInstance()->loadFromQueue();
  40
  41 // Check to see if we are at the file scope
  42 if ( !isset( $wgVersion ) ) {
  43         echo "Error, Setup.php must be included from the file scope, after DefaultSettings.php\n";
  44         die( 1 );
  45 }
  46
  47 // Set various default paths sensibly...
  48 $ps_default = Profiler::instance()->scopedProfileIn( $fname . '-defaults' );
  49
  50 if ( $wgScript === false ) {
  51         $wgScript = "$wgScriptPath/index.php";
  52 }
  53 if ( $wgLoadScript === false ) {
  54         $wgLoadScript = "$wgScriptPath/load.php";
  55 }
  56
  57 if ( $wgArticlePath === false ) {
  58         if ( $wgUsePathInfo ) {
  59                 $wgArticlePath = "$wgScript/$1";
  60         } else {
  61                 $wgArticlePath = "$wgScript?title=$1";
  62         }
  63 }
  64
  65 if ( !empty( $wgActionPaths ) && !isset( $wgActionPaths['view'] ) ) {
  66         // 'view' is assumed the default action path everywhere in the code
  67         // but is rarely filled in $wgActionPaths
  68         $wgActionPaths['view'] = $wgArticlePath;
  69 }
  70
  71 if ( $wgResourceBasePath === null ) {
  72         $wgResourceBasePath = $wgScriptPath;
  73 }
  74 if ( $wgStylePath === false ) {
  75         $wgStylePath = "$wgResourceBasePath/skins";
  76 }
  77 if ( $wgLocalStylePath === false ) {
  78         // Avoid wgResourceBasePath here since that may point to a different domain (e.g. CDN)
  79         $wgLocalStylePath = "$wgScriptPath/skins";
  80 }
  81 if ( $wgExtensionAssetsPath === false ) {
  82         $wgExtensionAssetsPath = "$wgResourceBasePath/extensions";
  83 }
  84
  85 if ( $wgLogo === false ) {
  86         $wgLogo = "$wgResourceBasePath/resources/assets/wiki.png";
  87 }
  88
  89 if ( $wgUploadPath === false ) {
  90         $wgUploadPath = "$wgScriptPath/images";
  91 }
  92 if ( $wgUploadDirectory === false ) {
  93         $wgUploadDirectory = "$IP/images";
  94 }
  95 if ( $wgReadOnlyFile === false ) {
  96         $wgReadOnlyFile = "{$wgUploadDirectory}/lock_yBgMBwiR";
  97 }
  98 if ( $wgFileCacheDirectory === false ) {
  99         $wgFileCacheDirectory = "{$wgUploadDirectory}/cache";
 100 }
 101 if ( $wgDeletedDirectory === false ) {
 102         $wgDeletedDirectory = "{$wgUploadDirectory}/deleted";
 103 }
 104
 105 if ( $wgGitInfoCacheDirectory === false && $wgCacheDirectory !== false ) {
 106         $wgGitInfoCacheDirectory = "{$wgCacheDirectory}/gitinfo";
 107 }
 108
 109 if ( $wgEnableParserCache === false ) {
 110         $wgParserCacheType = CACHE_NONE;
 111 }
 112
 113 // Fix path to icon images after they were moved in 1.24
 114 if ( $wgRightsIcon ) {
 115         $wgRightsIcon = str_replace(
 116                 "{$wgStylePath}/common/images/",
 117                 "{$wgResourceBasePath}/resources/assets/licenses/",
 118                 $wgRightsIcon
 119         );
 120 }
 121
 122 if ( isset( $wgFooterIcons['copyright']['copyright'] )
 123         && $wgFooterIcons['copyright']['copyright'] === []
 124 ) {
 125         if ( $wgRightsIcon || $wgRightsText ) {
 126                 $wgFooterIcons['copyright']['copyright'] = [
 127                         'url' => $wgRightsUrl,
 128                         'src' => $wgRightsIcon,
 129                         'alt' => $wgRightsText,
 130                 ];
 131         }
 132 }
 133
 134 if ( isset( $wgFooterIcons['poweredby'] )
 135         && isset( $wgFooterIcons['poweredby']['mediawiki'] )
 136         && $wgFooterIcons['poweredby']['mediawiki']['src'] === null
 137 ) {
 138         $wgFooterIcons['poweredby']['mediawiki']['src'] =
 139                 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_88x31.png";
 140         $wgFooterIcons['poweredby']['mediawiki']['srcset'] =
 141                 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_132x47.png 1.5x, " .
 142                 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_176x62.png 2x";
 143 }
 144
 145 /**
 146  * Unconditional protection for NS_MEDIAWIKI since otherwise it's too easy for a
 147  * sysadmin to set $wgNamespaceProtection incorrectly and leave the wiki insecure.
 148  *
 149  * Note that this is the definition of editinterface and it can be granted to
 150  * all users if desired.
 151  */
 152 $wgNamespaceProtection[NS_MEDIAWIKI] = 'editinterface';
 153
 154 /**
 155  * The canonical names of namespaces 6 and 7 are, as of v1.14, "File"
 156  * and "File_talk".  The old names "Image" and "Image_talk" are
 157  * retained as aliases for backwards compatibility.
 158  */
 159 $wgNamespaceAliases['Image'] = NS_FILE;
 160 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
 161
 162 /**
 163  * Initialise $wgLockManagers to include basic FS version
 164  */
 165 $wgLockManagers[] = [
 166         'name' => 'fsLockManager',
 167         'class' => 'FSLockManager',
 168         'lockDirectory' => "{$wgUploadDirectory}/lockdir",
 169 ];
 170 $wgLockManagers[] = [
 171         'name' => 'nullLockManager',
 172         'class' => 'NullLockManager',
 173 ];
 174
 175 /**
 176  * Initialise $wgLocalFileRepo from backwards-compatible settings
 177  */
 178 if ( !$wgLocalFileRepo ) {
 179         $wgLocalFileRepo = [
 180                 'class' => 'LocalRepo',
 181                 'name' => 'local',
 182                 'directory' => $wgUploadDirectory,
 183                 'scriptDirUrl' => $wgScriptPath,
 184                 'scriptExtension' => '.php',
 185                 'url' => $wgUploadBaseUrl ? $wgUploadBaseUrl . $wgUploadPath : $wgUploadPath,
 186                 'hashLevels' => $wgHashedUploadDirectory ? 2 : 0,
 187                 'thumbScriptUrl' => $wgThumbnailScriptPath,
 188                 'transformVia404' => !$wgGenerateThumbnailOnParse,
 189                 'deletedDir' => $wgDeletedDirectory,
 190                 'deletedHashLevels' => $wgHashedUploadDirectory ? 3 : 0
 191         ];
 192 }
 193 /**
 194  * Initialise shared repo from backwards-compatible settings
 195  */
 196 if ( $wgUseSharedUploads ) {
 197         if ( $wgSharedUploadDBname ) {
 198                 $wgForeignFileRepos[] = [
 199                         'class' => 'ForeignDBRepo',
 200                         'name' => 'shared',
 201                         'directory' => $wgSharedUploadDirectory,
 202                         'url' => $wgSharedUploadPath,
 203                         'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
 204                         'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
 205                         'transformVia404' => !$wgGenerateThumbnailOnParse,
 206                         'dbType' => $wgDBtype,
 207                         'dbServer' => $wgDBserver,
 208                         'dbUser' => $wgDBuser,
 209                         'dbPassword' => $wgDBpassword,
 210                         'dbName' => $wgSharedUploadDBname,
 211                         'dbFlags' => ( $wgDebugDumpSql ? DBO_DEBUG : 0 ) | DBO_DEFAULT,
 212                         'tablePrefix' => $wgSharedUploadDBprefix,
 213                         'hasSharedCache' => $wgCacheSharedUploads,
 214                         'descBaseUrl' => $wgRepositoryBaseUrl,
 215                         'fetchDescription' => $wgFetchCommonsDescriptions,
 216                 ];
 217         } else {
 218                 $wgForeignFileRepos[] = [
 219                         'class' => 'FileRepo',
 220                         'name' => 'shared',
 221                         'directory' => $wgSharedUploadDirectory,
 222                         'url' => $wgSharedUploadPath,
 223                         'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
 224                         'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
 225                         'transformVia404' => !$wgGenerateThumbnailOnParse,
 226                         'descBaseUrl' => $wgRepositoryBaseUrl,
 227                         'fetchDescription' => $wgFetchCommonsDescriptions,
 228                 ];
 229         }
 230 }
 231 if ( $wgUseInstantCommons ) {
 232         $wgForeignFileRepos[] = [
 233                 'class' => 'ForeignAPIRepo',
 234                 'name' => 'wikimediacommons',
 235                 'apibase' => 'https://commons.wikimedia.org/w/api.php',
 236                 'url' => 'https://upload.wikimedia.org/wikipedia/commons',
 237                 'thumbUrl' => 'https://upload.wikimedia.org/wikipedia/commons/thumb',
 238                 'hashLevels' => 2,
 239                 'transformVia404' => true,
 240                 'fetchDescription' => true,
 241                 'descriptionCacheExpiry' => 43200,
 242                 'apiThumbCacheExpiry' => 86400,
 243         ];
 244 }
 245 /*
 246  * Add on default file backend config for file repos.
 247  * FileBackendGroup will handle initializing the backends.
 248  */
 249 if ( !isset( $wgLocalFileRepo['backend'] ) ) {
 250         $wgLocalFileRepo['backend'] = $wgLocalFileRepo['name'] . '-backend';
 251 }
 252 foreach ( $wgForeignFileRepos as &$repo ) {
 253         if ( !isset( $repo['directory'] ) && $repo['class'] === 'ForeignAPIRepo' ) {
 254                 $repo['directory'] = $wgUploadDirectory; // b/c
 255         }
 256         if ( !isset( $repo['backend'] ) ) {
 257                 $repo['backend'] = $repo['name'] . '-backend';
 258         }
 259 }
 260 unset( $repo ); // no global pollution; destroy reference
 261
 262 $rcMaxAgeDays = $wgRCMaxAge / ( 3600 * 24 );
 263 if ( $wgRCFilterByAge ) {
 264         // Trim down $wgRCLinkDays so that it only lists links which are valid
 265         // as determined by $wgRCMaxAge.
 266         // Note that we allow 1 link higher than the max for things like 56 days but a 60 day link.
 267         sort( $wgRCLinkDays );
 268
 269         // @codingStandardsIgnoreStart Generic.CodeAnalysis.ForLoopWithTestFunctionCall.NotAllowed
 270         for ( $i = 0; $i < count( $wgRCLinkDays ); $i++ ) {
 271                 // @codingStandardsIgnoreEnd
 272                 if ( $wgRCLinkDays[$i] >= $rcMaxAgeDays ) {
 273                         $wgRCLinkDays = array_slice( $wgRCLinkDays, 0, $i + 1, false );
 274                         break;
 275                 }
 276         }
 277 }
 278 // Ensure that default user options are not invalid, since that breaks Special:Preferences
 279 $wgDefaultUserOptions['rcdays'] = min(
 280         $wgDefaultUserOptions['rcdays'],
 281         ceil( $rcMaxAgeDays )
 282 );
 283 $wgDefaultUserOptions['watchlistdays'] = min(
 284         $wgDefaultUserOptions['watchlistdays'],
 285         ceil( $rcMaxAgeDays )
 286 );
 287 unset( $rcMaxAgeDays );
 288
 289 if ( $wgSkipSkin ) {
 290         $wgSkipSkins[] = $wgSkipSkin;
 291 }
 292
 293 // Register skins
 294 // Use a closure to avoid leaking into global state
 295 call_user_func( function () use ( $wgValidSkinNames ) {
 296         $factory = SkinFactory::getDefaultInstance();
 297         foreach ( $wgValidSkinNames as $name => $skin ) {
 298                 $factory->register( $name, $skin, function () use ( $name, $skin ) {
 299                         $class = "Skin$skin";
 300                         return new $class( $name );
 301                 } );
 302         }
 303         // Register a hidden "fallback" skin
 304         $factory->register( 'fallback', 'Fallback', function () {
 305                 return new SkinFallback;
 306         } );
 307         // Register a hidden skin for api output
 308         $factory->register( 'apioutput', 'ApiOutput', function () {
 309                 return new SkinApi;
 310         } );
 311 } );
 312 $wgSkipSkins[] = 'fallback';
 313 $wgSkipSkins[] = 'apioutput';
 314
 315 if ( $wgLocalInterwiki ) {
 316         array_unshift( $wgLocalInterwikis, $wgLocalInterwiki );
 317 }
 318
 319 // Set default shared prefix
 320 if ( $wgSharedPrefix === false ) {
 321         $wgSharedPrefix = $wgDBprefix;
 322 }
 323
 324 // Set default shared schema
 325 if ( $wgSharedSchema === false ) {
 326         $wgSharedSchema = $wgDBmwschema;
 327 }
 328
 329 if ( !$wgCookiePrefix ) {
 330         if ( $wgSharedDB && $wgSharedPrefix && in_array( 'user', $wgSharedTables ) ) {
 331                 $wgCookiePrefix = $wgSharedDB . '_' . $wgSharedPrefix;
 332         } elseif ( $wgSharedDB && in_array( 'user', $wgSharedTables ) ) {
 333                 $wgCookiePrefix = $wgSharedDB;
 334         } elseif ( $wgDBprefix ) {
 335                 $wgCookiePrefix = $wgDBname . '_' . $wgDBprefix;
 336         } else {
 337                 $wgCookiePrefix = $wgDBname;
 338         }
 339 }
 340 $wgCookiePrefix = strtr( $wgCookiePrefix, '=,; +."\'\\[', '__________' );
 341
 342 if ( $wgEnableEmail ) {
 343         $wgUseEnotif = $wgEnotifUserTalk || $wgEnotifWatchlist;
 344 } else {
 345         // Disable all other email settings automatically if $wgEnableEmail
 346         // is set to false. - bug 63678
 347         $wgAllowHTMLEmail = false;
 348         $wgEmailAuthentication = false; // do not require auth if you're not sending email anyway
 349         $wgEnableUserEmail = false;
 350         $wgEnotifFromEditor = false;
 351         $wgEnotifImpersonal = false;
 352         $wgEnotifMaxRecips = 0;
 353         $wgEnotifMinorEdits = false;
 354         $wgEnotifRevealEditorAddress = false;
 355         $wgEnotifUseRealName = false;
 356         $wgEnotifUserTalk = false;
 357         $wgEnotifWatchlist = false;
 358         unset( $wgGroupPermissions['user']['sendemail'] );
 359         $wgUseEnotif = false;
 360         $wgUserEmailUseReplyTo = false;
 361         $wgUsersNotifiedOnAllChanges = [];
 362 }
 363
 364 // Doesn't make sense to have if disabled.
 365 if ( !$wgEnotifMinorEdits ) {
 366         $wgHiddenPrefs[] = 'enotifminoredits';
 367 }
 368
 369 if ( $wgMetaNamespace === false ) {
 370         $wgMetaNamespace = str_replace( ' ', '_', $wgSitename );
 371 }
 372
 373 // Default value is 2000 or the suhosin limit if it is between 1 and 2000
 374 if ( $wgResourceLoaderMaxQueryLength === false ) {
 375         $suhosinMaxValueLength = (int)ini_get( 'suhosin.get.max_value_length' );
 376         if ( $suhosinMaxValueLength > 0 && $suhosinMaxValueLength < 2000 ) {
 377                 $wgResourceLoaderMaxQueryLength = $suhosinMaxValueLength;
 378         } else {
 379                 $wgResourceLoaderMaxQueryLength = 2000;
 380         }
 381         unset( $suhosinMaxValueLength );
 382 }
 383
 384 // Ensure the minimum chunk size is less than PHP upload limits or the maximum
 385 // upload size.
 386 $wgMinUploadChunkSize = min(
 387         $wgMinUploadChunkSize,
 388         UploadBase::getMaxUploadSize( 'file' ),
 389         UploadBase::getMaxPhpUploadSize(),
 390         ( wfShorthandToInteger(
 391                 ini_get( 'post_max_size' ) ?: ini_get( 'hhvm.server.max_post_size' ),
 392                 PHP_INT_MAX
 393         ) ?: PHP_INT_MAX ) - 1024 // Leave some room for other POST parameters
 394 );
 395
 396 /**
 397  * Definitions of the NS_ constants are in Defines.php
 398  * @private
 399  */
 400 $wgCanonicalNamespaceNames = [
 401         NS_MEDIA            => 'Media',
 402         NS_SPECIAL          => 'Special',
 403         NS_TALK             => 'Talk',
 404         NS_USER             => 'User',
 405         NS_USER_TALK        => 'User_talk',
 406         NS_PROJECT          => 'Project',
 407         NS_PROJECT_TALK     => 'Project_talk',
 408         NS_FILE             => 'File',
 409         NS_FILE_TALK        => 'File_talk',
 410         NS_MEDIAWIKI        => 'MediaWiki',
 411         NS_MEDIAWIKI_TALK   => 'MediaWiki_talk',
 412         NS_TEMPLATE         => 'Template',
 413         NS_TEMPLATE_TALK    => 'Template_talk',
 414         NS_HELP             => 'Help',
 415         NS_HELP_TALK        => 'Help_talk',
 416         NS_CATEGORY         => 'Category',
 417         NS_CATEGORY_TALK    => 'Category_talk',
 418 ];
 419
 420 /// @todo UGLY UGLY
 421 if ( is_array( $wgExtraNamespaces ) ) {
 422         $wgCanonicalNamespaceNames = $wgCanonicalNamespaceNames + $wgExtraNamespaces;
 423 }
 424
 425 // These are now the same, always
 426 // To determine the user language, use $wgLang->getCode()
 427 $wgContLanguageCode = $wgLanguageCode;
 428
 429 // Easy to forget to falsify $wgDebugToolbar for static caches.
 430 // If file cache or CDN cache is on, just disable this (DWIMD).
 431 if ( $wgUseFileCache || $wgUseSquid ) {
 432         $wgDebugToolbar = false;
 433 }
 434
 435 // We always output HTML5 since 1.22, overriding these is no longer supported
 436 // we set them here for extensions that depend on its value.
 437 $wgHtml5 = true;
 438 $wgXhtmlDefaultNamespace = 'http://www.w3.org/1999/xhtml';
 439 $wgJsMimeType = 'text/javascript';
 440
 441 // Blacklisted file extensions shouldn't appear on the "allowed" list
 442 $wgFileExtensions = array_values( array_diff( $wgFileExtensions, $wgFileBlacklist ) );
 443
 444 if ( $wgInvalidateCacheOnLocalSettingsChange ) {
 445         MediaWiki\suppressWarnings();
 446         $wgCacheEpoch = max( $wgCacheEpoch, gmdate( 'YmdHis', filemtime( "$IP/LocalSettings.php" ) ) );
 447         MediaWiki\restoreWarnings();
 448 }
 449
 450 if ( $wgNewUserLog ) {
 451         // Add a new log type
 452         $wgLogTypes[] = 'newusers';
 453         $wgLogNames['newusers'] = 'newuserlogpage';
 454         $wgLogHeaders['newusers'] = 'newuserlogpagetext';
 455         $wgLogActionsHandlers['newusers/newusers'] = 'NewUsersLogFormatter';
 456         $wgLogActionsHandlers['newusers/create'] = 'NewUsersLogFormatter';
 457         $wgLogActionsHandlers['newusers/create2'] = 'NewUsersLogFormatter';
 458         $wgLogActionsHandlers['newusers/byemail'] = 'NewUsersLogFormatter';
 459         $wgLogActionsHandlers['newusers/autocreate'] = 'NewUsersLogFormatter';
 460 }
 461
 462 if ( $wgPageLanguageUseDB ) {
 463         $wgLogTypes[] = 'pagelang';
 464         $wgLogActionsHandlers['pagelang/pagelang'] = 'PageLangLogFormatter';
 465 }
 466
 467 if ( $wgCookieSecure === 'detect' ) {
 468         $wgCookieSecure = ( WebRequest::detectProtocol() === 'https' );
 469 }
 470
 471 if ( $wgProfileOnly ) {
 472         $wgDebugLogGroups['profileoutput'] = $wgDebugLogFile;
 473         $wgDebugLogFile = '';
 474 }
 475
 476 // Backwards compatibility with old password limits
 477 if ( $wgMinimalPasswordLength !== false ) {
 478         $wgPasswordPolicy['policies']['default']['MinimalPasswordLength'] = $wgMinimalPasswordLength;
 479 }
 480
 481 if ( $wgMaximalPasswordLength !== false ) {
 482         $wgPasswordPolicy['policies']['default']['MaximalPasswordLength'] = $wgMaximalPasswordLength;
 483 }
 484
 485 // Backwards compatibility warning
 486 if ( !$wgSessionsInObjectCache && !$wgSessionsInMemcached ) {
 487         wfDeprecated( '$wgSessionsInObjectCache = false', '1.27' );
 488         if ( $wgSessionHandler ) {
 489                 wfDeprecated( '$wgSessionsHandler', '1.27' );
 490         }
 491         $cacheType = get_class( ObjectCache::getInstance( $wgSessionCacheType ) );
 492         wfDebugLog(
 493                 'caches',
 494                 "Session data will be stored in \"$cacheType\" cache with " .
 495                         "expiry $wgObjectCacheSessionExpiry seconds"
 496         );
 497 }
 498 $wgSessionsInObjectCache = true;
 499
 500 if ( $wgPHPSessionHandling !== 'enable' &&
 501         $wgPHPSessionHandling !== 'warn' &&
 502         $wgPHPSessionHandling !== 'disable'
 503 ) {
 504         $wgPHPSessionHandling = 'warn';
 505 }
 506 if ( defined( 'MW_NO_SESSION' ) ) {
 507         // If the entry point wants no session, force 'disable' here unless they
 508         // specifically set it to the (undocumented) 'warn'.
 509         $wgPHPSessionHandling = MW_NO_SESSION === 'warn' ? 'warn' : 'disable';
 510 }
 511
 512 Profiler::instance()->scopedProfileOut( $ps_default );
 513
 514 // Disable MWDebug for command line mode, this prevents MWDebug from eating up
 515 // all the memory from logging SQL queries on maintenance scripts
 516 global $wgCommandLineMode;
 517 if ( $wgDebugToolbar && !$wgCommandLineMode ) {
 518         MWDebug::init();
 519 }
 520
 521 if ( !class_exists( 'AutoLoader' ) ) {
 522         require_once "$IP/includes/AutoLoader.php";
 523 }
 524
 525 // Install a header callback to prevent caching of responses with cookies (T127993)
 526 if ( !$wgCommandLineMode ) {
 527         header_register_callback( function () {
 528                 $headers = [];
 529                 foreach ( headers_list() as $header ) {
 530                         list( $name, $value ) = explode( ':', $header, 2 );
 531                         $headers[strtolower( trim( $name ) )][] = trim( $value );
 532                 }
 533
 534                 if ( isset( $headers['set-cookie'] ) ) {
 535                         $cacheControl = isset( $headers['cache-control'] )
 536                                 ? implode( ', ', $headers['cache-control'] )
 537                                 : '';
 538
 539                         if ( !preg_match( '/(?:^|,)\s*(?:private|no-cache|no-store)\s*(?:$|,)/i', $cacheControl ) ) {
 540                                 header( 'Expires: Thu, 01 Jan 1970 00:00:00 GMT' );
 541                                 header( 'Cache-Control: private, max-age=0, s-maxage=0' );
 542                                 MediaWiki\Logger\LoggerFactory::getInstance( 'cache-cookies' )->warning(
 543                                         'Cookies set on {url} with Cache-Control "{cache-control}"', [
 544                                                 'url' => WebRequest::getGlobalRequestURL(),
 545                                                 'cookies' => $headers['set-cookie'],
 546                                                 'cache-control' => $cacheControl ?: '<not set>',
 547                                         ]
 548                                 );
 549                         }
 550                 }
 551         } );
 552 }
 553
 554 MWExceptionHandler::installHandler();
 555
 556 require_once "$IP/includes/compat/normal/UtfNormalUtil.php";
 557
 558 $ps_validation = Profiler::instance()->scopedProfileIn( $fname . '-validation' );
 559
 560 // T48998: Bail out early if $wgArticlePath is non-absolute
 561 foreach ( [ 'wgArticlePath', 'wgVariantArticlePath' ] as $varName ) {
 562         if ( $$varName && !preg_match( '/^(https?:\/\/|\/)/', $$varName ) ) {
 563                 throw new FatalError(
 564                         "If you use a relative URL for \$$varName, it must start " .
 565                         'with a slash (<code>/</code>).<br><br>See ' .
 566                         "<a href=\"https://www.mediawiki.org/wiki/Manual:\$$varName\">" .
 567                         "https://www.mediawiki.org/wiki/Manual:\$$varName</a>."
 568                 );
 569         }
 570 }
 571
 572 Profiler::instance()->scopedProfileOut( $ps_validation );
 573
 574 $ps_default2 = Profiler::instance()->scopedProfileIn( $fname . '-defaults2' );
 575
 576 if ( $wgCanonicalServer === false ) {
 577         $wgCanonicalServer = wfExpandUrl( $wgServer, PROTO_HTTP );
 578 }
 579
 580 // Set server name
 581 $serverParts = wfParseUrl( $wgCanonicalServer );
 582 if ( $wgServerName !== false ) {
 583         wfWarn( '$wgServerName should be derived from $wgCanonicalServer, '
 584                 . 'not customized. Overwriting $wgServerName.' );
 585 }
 586 $wgServerName = $serverParts['host'];
 587 unset( $serverParts );
 588
 589 // Set defaults for configuration variables
 590 // that are derived from the server name by default
 591 // Note: $wgEmergencyContact and $wgPasswordSender may be false or empty string (T104142)
 592 if ( !$wgEmergencyContact ) {
 593         $wgEmergencyContact = 'wikiadmin@' . $wgServerName;
 594 }
 595 if ( !$wgPasswordSender ) {
 596         $wgPasswordSender = 'apache@' . $wgServerName;
 597 }
 598 if ( !$wgNoReplyAddress ) {
 599         $wgNoReplyAddress = $wgPasswordSender;
 600 }
 601
 602 if ( $wgSecureLogin && substr( $wgServer, 0, 2 ) !== '//' ) {
 603         $wgSecureLogin = false;
 604         wfWarn( 'Secure login was enabled on a server that only supports '
 605                 . 'HTTP or HTTPS. Disabling secure login.' );
 606 }
 607
 608 $wgVirtualRestConfig['global']['domain'] = $wgCanonicalServer;
 609
 610 // Now that GlobalFunctions is loaded, set defaults that depend on it.
 611 if ( $wgTmpDirectory === false ) {
 612         $wgTmpDirectory = wfTempDir();
 613 }
 614
 615 // We don't use counters anymore. Left here for extensions still
 616 // expecting this to exist. Should be removed sometime 1.26 or later.
 617 if ( !isset( $wgDisableCounters ) ) {
 618         $wgDisableCounters = true;
 619 }
 620
 621 if ( $wgMainWANCache === false ) {
 622         // Setup a WAN cache from $wgMainCacheType with no relayer.
 623         // Sites using multiple datacenters can configure a relayer.
 624         $wgMainWANCache = 'mediawiki-main-default';
 625         $wgWANObjectCaches[$wgMainWANCache] = [
 626                 'class'         => 'WANObjectCache',
 627                 'cacheId'       => $wgMainCacheType,
 628                 'pool'          => 'mediawiki-main-default',
 629                 'relayerConfig' => [ 'class' => 'EventRelayerNull' ]
 630         ];
 631 }
 632
 633 Profiler::instance()->scopedProfileOut( $ps_default2 );
 634
 635 $ps_misc = Profiler::instance()->scopedProfileIn( $fname . '-misc1' );
 636
 637 // Raise the memory limit if it's too low
 638 wfMemoryLimit();
 639
 640 /**
 641  * Set up the timezone, suppressing the pseudo-security warning in PHP 5.1+
 642  * that happens whenever you use a date function without the timezone being
 643  * explicitly set. Inspired by phpMyAdmin's treatment of the problem.
 644  */
 645 if ( is_null( $wgLocaltimezone ) ) {
 646         MediaWiki\suppressWarnings();
 647         $wgLocaltimezone = date_default_timezone_get();
 648         MediaWiki\restoreWarnings();
 649 }
 650
 651 date_default_timezone_set( $wgLocaltimezone );
 652 if ( is_null( $wgLocalTZoffset ) ) {
 653         $wgLocalTZoffset = date( 'Z' ) / 60;
 654 }
 655
 656 if ( !$wgDBerrorLogTZ ) {
 657         $wgDBerrorLogTZ = $wgLocaltimezone;
 658 }
 659
 660 // initialize the request object in $wgRequest
 661 $wgRequest = RequestContext::getMain()->getRequest(); // BackCompat
 662
 663 // Useful debug output
 664 if ( $wgCommandLineMode ) {
 665         wfDebug( "\n\nStart command line script $self\n" );
 666 } else {
 667         $debug = "\n\nStart request {$wgRequest->getMethod()} {$wgRequest->getRequestURL()}\n";
 668
 669         if ( $wgDebugPrintHttpHeaders ) {
 670                 $debug .= "HTTP HEADERS:\n";
 671
 672                 foreach ( $wgRequest->getAllHeaders() as $name => $value ) {
 673                         $debug .= "$name: $value\n";
 674                 }
 675         }
 676         wfDebug( $debug );
 677 }
 678
 679 Profiler::instance()->scopedProfileOut( $ps_misc );
 680 $ps_memcached = Profiler::instance()->scopedProfileIn( $fname . '-memcached' );
 681
 682 $wgMemc = wfGetMainCache();
 683 $messageMemc = wfGetMessageCacheStorage();
 684 $parserMemc = wfGetParserCacheStorage();
 685
 686 wfDebugLog( 'caches',
 687         'cluster: ' . get_class( $wgMemc ) .
 688         ', WAN: ' . $wgMainWANCache .
 689         ', stash: ' . $wgMainStash .
 690         ', message: ' . get_class( $messageMemc ) .
 691         ', parser: ' . get_class( $parserMemc ) );
 692
 693 Profiler::instance()->scopedProfileOut( $ps_memcached );
 694
 695 // Most of the config is out, some might want to run hooks here.
 696 Hooks::run( 'SetupAfterCache' );
 697
 698 $ps_globals = Profiler::instance()->scopedProfileIn( $fname . '-globals' );
 699
 700 /**
 701  * @var Language $wgContLang
 702  */
 703 $wgContLang = Language::factory( $wgLanguageCode );
 704 $wgContLang->initEncoding();
 705 $wgContLang->initContLang();
 706
 707 // Now that variant lists may be available...
 708 $wgRequest->interpolateTitle();
 709
 710 if ( !is_object( $wgAuth ) ) {
 711         $wgAuth = new AuthPlugin;
 712         Hooks::run( 'AuthPluginSetup', [ &$wgAuth ] );
 713 }
 714
 715 // Set up the session
 716 $ps_session = Profiler::instance()->scopedProfileIn( $fname . '-session' );
 717 /**
 718  * @var MediaWiki\Session\SessionId|null $wgInitialSessionId The persistent
 719  * session ID (if any) loaded at startup
 720  */
 721 $wgInitialSessionId = null;
 722 if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
 723         // If session.auto_start is there, we can't touch session name
 724         if ( $wgPHPSessionHandling !== 'disable' && !wfIniGetBool( 'session.auto_start' ) ) {
 725                 session_name( $wgSessionName ? $wgSessionName : $wgCookiePrefix . '_session' );
 726         }
 727
 728         // Create the SessionManager singleton and set up our session handler,
 729         // unless we're specifically asked not to.
 730         if ( !defined( 'MW_NO_SESSION_HANDLER' ) ) {
 731                 MediaWiki\Session\PHPSessionHandler::install(
 732                         MediaWiki\Session\SessionManager::singleton()
 733                 );
 734         }
 735
 736         // Initialize the session
 737         try {
 738                 $session = MediaWiki\Session\SessionManager::getGlobalSession();
 739         } catch ( OverflowException $ex ) {
 740                 if ( isset( $ex->sessionInfos ) && count( $ex->sessionInfos ) >= 2 ) {
 741                         // The exception is because the request had multiple possible
 742                         // sessions tied for top priority. Report this to the user.
 743                         $list = [];
 744                         foreach ( $ex->sessionInfos as $info ) {
 745                                 $list[] = $info->getProvider()->describe( $wgContLang );
 746                         }
 747                         $list = $wgContLang->listToText( $list );
 748                         throw new HttpError( 400,
 749                                 Message::newFromKey( 'sessionmanager-tie', $list )->inLanguage( $wgContLang )->plain()
 750                         );
 751                 }
 752
 753                 // Not the one we want, rethrow
 754                 throw $ex;
 755         }
 756
 757         if ( $session->isPersistent() ) {
 758                 $wgInitialSessionId = $session->getSessionId();
 759         }
 760
 761         $session->renew();
 762         if ( MediaWiki\Session\PHPSessionHandler::isEnabled() &&
 763                 ( $session->isPersistent() || $session->shouldRememberUser() )
 764         ) {
 765                 // Start the PHP-session for backwards compatibility
 766                 session_id( $session->getId() );
 767                 MediaWiki\quietCall( 'session_start' );
 768         }
 769
 770         unset( $session );
 771 } else {
 772         // Even if we didn't set up a global Session, still install our session
 773         // handler unless specifically requested not to.
 774         if ( !defined( 'MW_NO_SESSION_HANDLER' ) ) {
 775                 MediaWiki\Session\PHPSessionHandler::install(
 776                         MediaWiki\Session\SessionManager::singleton()
 777                 );
 778         }
 779 }
 780 Profiler::instance()->scopedProfileOut( $ps_session );
 781
 782 /**
 783  * @var User $wgUser
 784  */
 785 $wgUser = RequestContext::getMain()->getUser(); // BackCompat
 786
 787 /**
 788  * @var Language $wgLang
 789  */
 790 $wgLang = new StubUserLang;
 791
 792 /**
 793  * @var OutputPage $wgOut
 794  */
 795 $wgOut = RequestContext::getMain()->getOutput(); // BackCompat
 796
 797 /**
 798  * @var Parser $wgParser
 799  */
 800 $wgParser = new StubObject( 'wgParser', $wgParserConf['class'], [ $wgParserConf ] );
 801
 802 /**
 803  * @var Title $wgTitle
 804  */
 805 $wgTitle = null;
 806
 807 Profiler::instance()->scopedProfileOut( $ps_globals );
 808 $ps_extensions = Profiler::instance()->scopedProfileIn( $fname . '-extensions' );
 809
 810 // Extension setup functions
 811 // Entries should be added to this variable during the inclusion
 812 // of the extension file. This allows the extension to perform
 813 // any necessary initialisation in the fully initialised environment
 814 foreach ( $wgExtensionFunctions as $func ) {
 815         // Allow closures in PHP 5.3+
 816         if ( is_object( $func ) && $func instanceof Closure ) {
 817                 $profName = $fname . '-extensions-closure';
 818         } elseif ( is_array( $func ) ) {
 819                 if ( is_object( $func[0] ) ) {
 820                         $profName = $fname . '-extensions-' . get_class( $func[0] ) . '::' . $func[1];
 821                 } else {
 822                         $profName = $fname . '-extensions-' . implode( '::', $func );
 823                 }
 824         } else {
 825                 $profName = $fname . '-extensions-' . strval( $func );
 826         }
 827
 828         $ps_ext_func = Profiler::instance()->scopedProfileIn( $profName );
 829         call_user_func( $func );
 830         Profiler::instance()->scopedProfileOut( $ps_ext_func );
 831 }
 832
 833 // If the session user has a 0 id but a valid name, that means we need to
 834 // autocreate it.
 835 if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
 836         $sessionUser = MediaWiki\Session\SessionManager::getGlobalSession()->getUser();
 837         if ( $sessionUser->getId() === 0 && User::isValidUserName( $sessionUser->getName() ) ) {
 838                 $ps_autocreate = Profiler::instance()->scopedProfileIn( $fname . '-autocreate' );
 839                 MediaWiki\Session\SessionManager::autoCreateUser( $sessionUser );
 840                 Profiler::instance()->scopedProfileOut( $ps_autocreate );
 841         }
 842         unset( $sessionUser );
 843 }
 844
 845 wfDebug( "Fully initialised\n" );
 846 $wgFullyInitialised = true;
 847
 848 Profiler::instance()->scopedProfileOut( $ps_extensions );
 849 Profiler::instance()->scopedProfileOut( $ps_setup );