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