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