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