includes/Setup.php

   1 <?php
   2 /**
   3  * Include most things that are needed to make MediaWiki work.
   4  *
   5  * This file is included by WebStart.php and doMaintenance.php so that both
   6  * web and maintenance scripts share a final set up phase to include necessary
   7  * files and create global object variables.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  22  * http://www.gnu.org/copyleft/gpl.html
  23  *
  24  * @file
  25  */
  26 use MediaWiki\MediaWikiServices;
  27 use Wikimedia\Rdbms\LBFactory;
  28 use Wikimedia\Rdbms\ChronologyProtector;
  29
  30 /**
  31  * This file is not a valid entry point, perform no further processing unless
  32  * MEDIAWIKI is defined
  33  */
  34 if ( !defined( 'MEDIAWIKI' ) ) {
  35         exit( 1 );
  36 }
  37
  38 // Check to see if we are at the file scope
  39 $wgScopeTest = 'MediaWiki Setup.php scope test';
  40 if ( !isset( $GLOBALS['wgScopeTest'] ) || $GLOBALS['wgScopeTest'] !== $wgScopeTest ) {
  41         echo "Error, Setup.php must be included from the file scope.\n";
  42         die( 1 );
  43 }
  44 unset( $wgScopeTest );
  45
  46 /**
  47  * Pre-config setup: Before loading LocalSettings.php
  48  */
  49
  50 // Sanity check (T5782, T122807)
  51 if ( ini_get( 'mbstring.func_overload' ) ) {
  52         die( 'MediaWiki does not support installations where mbstring.func_overload is non-zero.' );
  53 }
  54
  55 // Start the autoloader, so that extensions can derive classes from core files
  56 require_once "$IP/includes/AutoLoader.php";
  57
  58 // Load up some global defines
  59 require_once "$IP/includes/Defines.php";
  60
  61 // Load default settings
  62 require_once "$IP/includes/DefaultSettings.php";
  63
  64 // Load global functions
  65 require_once "$IP/includes/GlobalFunctions.php";
  66
  67 // Load composer's autoloader if present
  68 if ( is_readable( "$IP/vendor/autoload.php" ) ) {
  69         require_once "$IP/vendor/autoload.php";
  70 } elseif ( file_exists( "$IP/vendor/autoload.php" ) ) {
  71         die( "$IP/vendor/autoload.php exists but is not readable" );
  72 }
  73
  74 // Assert that composer dependencies were successfully loaded
  75 // Purposely no leading \ due to it breaking HHVM RepoAuthorative mode
  76 // PHP works fine with both versions
  77 // See https://github.com/facebook/hhvm/issues/5833
  78 if ( !interface_exists( 'Psr\Log\LoggerInterface' ) ) {
  79         $message = (
  80                 'MediaWiki requires the <a href="https://github.com/php-fig/log">PSR-3 logging ' .
  81                 "library</a> to be present. This library is not embedded directly in MediaWiki's " .
  82                 "git repository and must be installed separately by the end user.\n\n" .
  83                 'Please see <a href="https://www.mediawiki.org/wiki/Download_from_Git' .
  84                 '#Fetch_external_libraries">mediawiki.org</a> for help on installing ' .
  85                 'the required components.'
  86         );
  87         echo $message;
  88         trigger_error( $message, E_USER_ERROR );
  89         die( 1 );
  90 }
  91
  92 // Install a header callback
  93 MediaWiki\HeaderCallback::register();
  94
  95 /**
  96  * Load LocalSettings.php
  97  */
  98
  99 if ( defined( 'MW_CONFIG_CALLBACK' ) ) {
 100         call_user_func( MW_CONFIG_CALLBACK );
 101 } else {
 102         if ( !defined( 'MW_CONFIG_FILE' ) ) {
 103                 define( 'MW_CONFIG_FILE', "$IP/LocalSettings.php" );
 104         }
 105         require_once MW_CONFIG_FILE;
 106 }
 107
 108 /**
 109  * Customization point after all loading (constants, functions, classes,
 110  * DefaultSettings, LocalSettings). Specifically, this is before usage of
 111  * settings, before instantiation of Profiler (and other singletons), and
 112  * before any setup functions or hooks run.
 113  */
 114
 115 if ( defined( 'MW_SETUP_CALLBACK' ) ) {
 116         call_user_func( MW_SETUP_CALLBACK );
 117 }
 118
 119 /**
 120  * Main setup
 121  */
 122
 123 $fname = 'Setup.php';
 124 $ps_setup = Profiler::instance()->scopedProfileIn( $fname );
 125
 126 // Load queued extensions
 127 ExtensionRegistry::getInstance()->loadFromQueue();
 128 // Don't let any other extensions load
 129 ExtensionRegistry::getInstance()->finish();
 130
 131 mb_internal_encoding( 'UTF-8' );
 132
 133 // Set the configured locale on all requests for consisteny
 134 putenv( "LC_ALL=$wgShellLocale" );
 135 setlocale( LC_ALL, $wgShellLocale );
 136
 137 // Set various default paths sensibly...
 138 $ps_default = Profiler::instance()->scopedProfileIn( $fname . '-defaults' );
 139
 140 if ( $wgScript === false ) {
 141         $wgScript = "$wgScriptPath/index.php";
 142 }
 143 if ( $wgLoadScript === false ) {
 144         $wgLoadScript = "$wgScriptPath/load.php";
 145 }
 146
 147 if ( $wgArticlePath === false ) {
 148         if ( $wgUsePathInfo ) {
 149                 $wgArticlePath = "$wgScript/$1";
 150         } else {
 151                 $wgArticlePath = "$wgScript?title=$1";
 152         }
 153 }
 154
 155 if ( !empty( $wgActionPaths ) && !isset( $wgActionPaths['view'] ) ) {
 156         // 'view' is assumed the default action path everywhere in the code
 157         // but is rarely filled in $wgActionPaths
 158         $wgActionPaths['view'] = $wgArticlePath;
 159 }
 160
 161 if ( $wgResourceBasePath === null ) {
 162         $wgResourceBasePath = $wgScriptPath;
 163 }
 164 if ( $wgStylePath === false ) {
 165         $wgStylePath = "$wgResourceBasePath/skins";
 166 }
 167 if ( $wgLocalStylePath === false ) {
 168         // Avoid wgResourceBasePath here since that may point to a different domain (e.g. CDN)
 169         $wgLocalStylePath = "$wgScriptPath/skins";
 170 }
 171 if ( $wgExtensionAssetsPath === false ) {
 172         $wgExtensionAssetsPath = "$wgResourceBasePath/extensions";
 173 }
 174
 175 if ( $wgLogo === false ) {
 176         $wgLogo = "$wgResourceBasePath/resources/assets/wiki.png";
 177 }
 178
 179 if ( $wgUploadPath === false ) {
 180         $wgUploadPath = "$wgScriptPath/images";
 181 }
 182 if ( $wgUploadDirectory === false ) {
 183         $wgUploadDirectory = "$IP/images";
 184 }
 185 if ( $wgReadOnlyFile === false ) {
 186         $wgReadOnlyFile = "{$wgUploadDirectory}/lock_yBgMBwiR";
 187 }
 188 if ( $wgFileCacheDirectory === false ) {
 189         $wgFileCacheDirectory = "{$wgUploadDirectory}/cache";
 190 }
 191 if ( $wgDeletedDirectory === false ) {
 192         $wgDeletedDirectory = "{$wgUploadDirectory}/deleted";
 193 }
 194
 195 if ( $wgGitInfoCacheDirectory === false && $wgCacheDirectory !== false ) {
 196         $wgGitInfoCacheDirectory = "{$wgCacheDirectory}/gitinfo";
 197 }
 198
 199 // Fix path to icon images after they were moved in 1.24
 200 if ( $wgRightsIcon ) {
 201         $wgRightsIcon = str_replace(
 202                 "{$wgStylePath}/common/images/",
 203                 "{$wgResourceBasePath}/resources/assets/licenses/",
 204                 $wgRightsIcon
 205         );
 206 }
 207
 208 if ( isset( $wgFooterIcons['copyright']['copyright'] )
 209         && $wgFooterIcons['copyright']['copyright'] === []
 210 ) {
 211         if ( $wgRightsIcon || $wgRightsText ) {
 212                 $wgFooterIcons['copyright']['copyright'] = [
 213                         'url' => $wgRightsUrl,
 214                         'src' => $wgRightsIcon,
 215                         'alt' => $wgRightsText,
 216                 ];
 217         }
 218 }
 219
 220 if ( isset( $wgFooterIcons['poweredby'] )
 221         && isset( $wgFooterIcons['poweredby']['mediawiki'] )
 222         && $wgFooterIcons['poweredby']['mediawiki']['src'] === null
 223 ) {
 224         $wgFooterIcons['poweredby']['mediawiki']['src'] =
 225                 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_88x31.png";
 226         $wgFooterIcons['poweredby']['mediawiki']['srcset'] =
 227                 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_132x47.png 1.5x, " .
 228                 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_176x62.png 2x";
 229 }
 230
 231 /**
 232  * Unconditional protection for NS_MEDIAWIKI since otherwise it's too easy for a
 233  * sysadmin to set $wgNamespaceProtection incorrectly and leave the wiki insecure.
 234  *
 235  * Note that this is the definition of editinterface and it can be granted to
 236  * all users if desired.
 237  */
 238 $wgNamespaceProtection[NS_MEDIAWIKI] = 'editinterface';
 239
 240 /**
 241  * The canonical names of namespaces 6 and 7 are, as of v1.14, "File"
 242  * and "File_talk".  The old names "Image" and "Image_talk" are
 243  * retained as aliases for backwards compatibility.
 244  */
 245 $wgNamespaceAliases['Image'] = NS_FILE;
 246 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
 247
 248 /**
 249  * Initialise $wgLockManagers to include basic FS version
 250  */
 251 $wgLockManagers[] = [
 252         'name' => 'fsLockManager',
 253         'class' => FSLockManager::class,
 254         'lockDirectory' => "{$wgUploadDirectory}/lockdir",
 255 ];
 256 $wgLockManagers[] = [
 257         'name' => 'nullLockManager',
 258         'class' => NullLockManager::class,
 259 ];
 260
 261 /**
 262  * Default parameters for the "<gallery>" tag.
 263  * @see DefaultSettings.php for description of the fields.
 264  */
 265 $wgGalleryOptions += [
 266         'imagesPerRow' => 0,
 267         'imageWidth' => 120,
 268         'imageHeight' => 120,
 269         'captionLength' => true,
 270         'showBytes' => true,
 271         'showDimensions' => true,
 272         'mode' => 'traditional',
 273 ];
 274
 275 /**
 276  * Shortcuts for $wgLocalFileRepo
 277  */
 278 if ( !$wgLocalFileRepo ) {
 279         $wgLocalFileRepo = [
 280                 'class' => LocalRepo::class,
 281                 'name' => 'local',
 282                 'directory' => $wgUploadDirectory,
 283                 'scriptDirUrl' => $wgScriptPath,
 284                 'url' => $wgUploadBaseUrl ? $wgUploadBaseUrl . $wgUploadPath : $wgUploadPath,
 285                 'hashLevels' => $wgHashedUploadDirectory ? 2 : 0,
 286                 'thumbScriptUrl' => $wgThumbnailScriptPath,
 287                 'transformVia404' => !$wgGenerateThumbnailOnParse,
 288                 'deletedDir' => $wgDeletedDirectory,
 289                 'deletedHashLevels' => $wgHashedUploadDirectory ? 3 : 0
 290         ];
 291 }
 292
 293 if ( !isset( $wgLocalFileRepo['backend'] ) ) {
 294         // Create a default FileBackend name.
 295         // FileBackendGroup will register a default, if absent from $wgFileBackends.
 296         $wgLocalFileRepo['backend'] = $wgLocalFileRepo['name'] . '-backend';
 297 }
 298
 299 /**
 300  * Shortcuts for $wgForeignFileRepos
 301  */
 302 if ( $wgUseSharedUploads ) {
 303         if ( $wgSharedUploadDBname ) {
 304                 $wgForeignFileRepos[] = [
 305                         'class' => ForeignDBRepo::class,
 306                         'name' => 'shared',
 307                         'directory' => $wgSharedUploadDirectory,
 308                         'url' => $wgSharedUploadPath,
 309                         'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
 310                         'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
 311                         'transformVia404' => !$wgGenerateThumbnailOnParse,
 312                         'dbType' => $wgDBtype,
 313                         'dbServer' => $wgDBserver,
 314                         'dbUser' => $wgDBuser,
 315                         'dbPassword' => $wgDBpassword,
 316                         'dbName' => $wgSharedUploadDBname,
 317                         'dbFlags' => ( $wgDebugDumpSql ? DBO_DEBUG : 0 ) | DBO_DEFAULT,
 318                         'tablePrefix' => $wgSharedUploadDBprefix,
 319                         'hasSharedCache' => $wgCacheSharedUploads,
 320                         'descBaseUrl' => $wgRepositoryBaseUrl,
 321                         'fetchDescription' => $wgFetchCommonsDescriptions,
 322                 ];
 323         } else {
 324                 $wgForeignFileRepos[] = [
 325                         'class' => FileRepo::class,
 326                         'name' => 'shared',
 327                         'directory' => $wgSharedUploadDirectory,
 328                         'url' => $wgSharedUploadPath,
 329                         'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
 330                         'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
 331                         'transformVia404' => !$wgGenerateThumbnailOnParse,
 332                         'descBaseUrl' => $wgRepositoryBaseUrl,
 333                         'fetchDescription' => $wgFetchCommonsDescriptions,
 334                 ];
 335         }
 336 }
 337 if ( $wgUseInstantCommons ) {
 338         $wgForeignFileRepos[] = [
 339                 'class' => ForeignAPIRepo::class,
 340                 'name' => 'wikimediacommons',
 341                 'apibase' => 'https://commons.wikimedia.org/w/api.php',
 342                 'url' => 'https://upload.wikimedia.org/wikipedia/commons',
 343                 'thumbUrl' => 'https://upload.wikimedia.org/wikipedia/commons/thumb',
 344                 'hashLevels' => 2,
 345                 'transformVia404' => true,
 346                 'fetchDescription' => true,
 347                 'descriptionCacheExpiry' => 43200,
 348                 'apiThumbCacheExpiry' => 0,
 349         ];
 350 }
 351 foreach ( $wgForeignFileRepos as &$repo ) {
 352         if ( !isset( $repo['directory'] ) && $repo['class'] === ForeignAPIRepo::class ) {
 353                 $repo['directory'] = $wgUploadDirectory; // b/c
 354         }
 355         if ( !isset( $repo['backend'] ) ) {
 356                 $repo['backend'] = $repo['name'] . '-backend';
 357         }
 358 }
 359 unset( $repo ); // no global pollution; destroy reference
 360
 361 $rcMaxAgeDays = $wgRCMaxAge / ( 3600 * 24 );
 362 if ( $wgRCFilterByAge ) {
 363         // Trim down $wgRCLinkDays so that it only lists links which are valid
 364         // as determined by $wgRCMaxAge.
 365         // Note that we allow 1 link higher than the max for things like 56 days but a 60 day link.
 366         sort( $wgRCLinkDays );
 367
 368         foreach ( $wgRCLinkDays as $i => $days ) {
 369                 if ( $days >= $rcMaxAgeDays ) {
 370                         array_splice( $wgRCLinkDays, $i + 1 );
 371                         break;
 372                 }
 373         }
 374 }
 375 // Ensure that default user options are not invalid, since that breaks Special:Preferences
 376 $wgDefaultUserOptions['rcdays'] = min(
 377         $wgDefaultUserOptions['rcdays'],
 378         ceil( $rcMaxAgeDays )
 379 );
 380 $wgDefaultUserOptions['watchlistdays'] = min(
 381         $wgDefaultUserOptions['watchlistdays'],
 382         ceil( $rcMaxAgeDays )
 383 );
 384 unset( $rcMaxAgeDays );
 385
 386 if ( $wgSkipSkin ) {
 387         $wgSkipSkins[] = $wgSkipSkin;
 388 }
 389
 390 $wgSkipSkins[] = 'fallback';
 391 $wgSkipSkins[] = 'apioutput';
 392
 393 if ( $wgLocalInterwiki ) {
 394         array_unshift( $wgLocalInterwikis, $wgLocalInterwiki );
 395 }
 396
 397 // Set default shared prefix
 398 if ( $wgSharedPrefix === false ) {
 399         $wgSharedPrefix = $wgDBprefix;
 400 }
 401
 402 // Set default shared schema
 403 if ( $wgSharedSchema === false ) {
 404         $wgSharedSchema = $wgDBmwschema;
 405 }
 406
 407 if ( !$wgCookiePrefix ) {
 408         if ( $wgSharedDB && $wgSharedPrefix && in_array( 'user', $wgSharedTables ) ) {
 409                 $wgCookiePrefix = $wgSharedDB . '_' . $wgSharedPrefix;
 410         } elseif ( $wgSharedDB && in_array( 'user', $wgSharedTables ) ) {
 411                 $wgCookiePrefix = $wgSharedDB;
 412         } elseif ( $wgDBprefix ) {
 413                 $wgCookiePrefix = $wgDBname . '_' . $wgDBprefix;
 414         } else {
 415                 $wgCookiePrefix = $wgDBname;
 416         }
 417 }
 418 $wgCookiePrefix = strtr( $wgCookiePrefix, '=,; +."\'\\[', '__________' );
 419
 420 if ( $wgEnableEmail ) {
 421         $wgUseEnotif = $wgEnotifUserTalk || $wgEnotifWatchlist;
 422 } else {
 423         // Disable all other email settings automatically if $wgEnableEmail
 424         // is set to false. - T65678
 425         $wgAllowHTMLEmail = false;
 426         $wgEmailAuthentication = false; // do not require auth if you're not sending email anyway
 427         $wgEnableUserEmail = false;
 428         $wgEnotifFromEditor = false;
 429         $wgEnotifImpersonal = false;
 430         $wgEnotifMaxRecips = 0;
 431         $wgEnotifMinorEdits = false;
 432         $wgEnotifRevealEditorAddress = false;
 433         $wgEnotifUseRealName = false;
 434         $wgEnotifUserTalk = false;
 435         $wgEnotifWatchlist = false;
 436         unset( $wgGroupPermissions['user']['sendemail'] );
 437         $wgUseEnotif = false;
 438         $wgUserEmailUseReplyTo = false;
 439         $wgUsersNotifiedOnAllChanges = [];
 440 }
 441
 442 if ( $wgMetaNamespace === false ) {
 443         $wgMetaNamespace = str_replace( ' ', '_', $wgSitename );
 444 }
 445
 446 // Default value is 2000 or the suhosin limit if it is between 1 and 2000
 447 if ( $wgResourceLoaderMaxQueryLength === false ) {
 448         $suhosinMaxValueLength = (int)ini_get( 'suhosin.get.max_value_length' );
 449         if ( $suhosinMaxValueLength > 0 && $suhosinMaxValueLength < 2000 ) {
 450                 $wgResourceLoaderMaxQueryLength = $suhosinMaxValueLength;
 451         } else {
 452                 $wgResourceLoaderMaxQueryLength = 2000;
 453         }
 454         unset( $suhosinMaxValueLength );
 455 }
 456
 457 // Ensure the minimum chunk size is less than PHP upload limits or the maximum
 458 // upload size.
 459 $wgMinUploadChunkSize = min(
 460         $wgMinUploadChunkSize,
 461         UploadBase::getMaxUploadSize( 'file' ),
 462         UploadBase::getMaxPhpUploadSize(),
 463         ( wfShorthandToInteger(
 464                 ini_get( 'post_max_size' ) ?: ini_get( 'hhvm.server.max_post_size' ),
 465                 PHP_INT_MAX
 466         ) ?: PHP_INT_MAX ) - 1024 // Leave some room for other POST parameters
 467 );
 468
 469 /**
 470  * Definitions of the NS_ constants are in Defines.php
 471  * @private
 472  */
 473 $wgCanonicalNamespaceNames = [
 474         NS_MEDIA            => 'Media',
 475         NS_SPECIAL          => 'Special',
 476         NS_TALK             => 'Talk',
 477         NS_USER             => 'User',
 478         NS_USER_TALK        => 'User_talk',
 479         NS_PROJECT          => 'Project',
 480         NS_PROJECT_TALK     => 'Project_talk',
 481         NS_FILE             => 'File',
 482         NS_FILE_TALK        => 'File_talk',
 483         NS_MEDIAWIKI        => 'MediaWiki',
 484         NS_MEDIAWIKI_TALK   => 'MediaWiki_talk',
 485         NS_TEMPLATE         => 'Template',
 486         NS_TEMPLATE_TALK    => 'Template_talk',
 487         NS_HELP             => 'Help',
 488         NS_HELP_TALK        => 'Help_talk',
 489         NS_CATEGORY         => 'Category',
 490         NS_CATEGORY_TALK    => 'Category_talk',
 491 ];
 492
 493 /// @todo UGLY UGLY
 494 if ( is_array( $wgExtraNamespaces ) ) {
 495         $wgCanonicalNamespaceNames += $wgExtraNamespaces;
 496 }
 497
 498 // Hard-deprecate setting $wgDummyLanguageCodes in LocalSettings.php
 499 if ( count( $wgDummyLanguageCodes ) !== 0 ) {
 500         wfDeprecated( '$wgDummyLanguageCodes', '1.29' );
 501 }
 502 // Merge in the legacy language codes, incorporating overrides from the config
 503 $wgDummyLanguageCodes += [
 504         // Internal language codes of the private-use area which get mapped to
 505         // themselves.
 506         'qqq' => 'qqq', // Used for message documentation
 507         'qqx' => 'qqx', // Used for viewing message keys
 508 ] + $wgExtraLanguageCodes + LanguageCode::getDeprecatedCodeMapping();
 509 // Merge in (inverted) BCP 47 mappings
 510 foreach ( LanguageCode::getNonstandardLanguageCodeMapping() as $code => $bcp47 ) {
 511         $bcp47 = strtolower( $bcp47 ); // force case-insensitivity
 512         if ( !isset( $wgDummyLanguageCodes[$bcp47] ) ) {
 513                 $wgDummyLanguageCodes[$bcp47] = $wgDummyLanguageCodes[$code] ?? $code;
 514         }
 515 }
 516
 517 // These are now the same, always
 518 // To determine the user language, use $wgLang->getCode()
 519 $wgContLanguageCode = $wgLanguageCode;
 520
 521 // Easy to forget to falsify $wgDebugToolbar for static caches.
 522 // If file cache or CDN cache is on, just disable this (DWIMD).
 523 if ( $wgUseFileCache || $wgUseSquid ) {
 524         $wgDebugToolbar = false;
 525 }
 526
 527 // We always output HTML5 since 1.22, overriding these is no longer supported
 528 // we set them here for extensions that depend on its value.
 529 $wgHtml5 = true;
 530 $wgXhtmlDefaultNamespace = 'http://www.w3.org/1999/xhtml';
 531 $wgJsMimeType = 'text/javascript';
 532
 533 // Blacklisted file extensions shouldn't appear on the "allowed" list
 534 $wgFileExtensions = array_values( array_diff( $wgFileExtensions, $wgFileBlacklist ) );
 535
 536 if ( $wgInvalidateCacheOnLocalSettingsChange ) {
 537         Wikimedia\suppressWarnings();
 538         $wgCacheEpoch = max( $wgCacheEpoch, gmdate( 'YmdHis', filemtime( "$IP/LocalSettings.php" ) ) );
 539         Wikimedia\restoreWarnings();
 540 }
 541
 542 if ( $wgNewUserLog ) {
 543         // Add new user log type
 544         $wgLogTypes[] = 'newusers';
 545         $wgLogNames['newusers'] = 'newuserlogpage';
 546         $wgLogHeaders['newusers'] = 'newuserlogpagetext';
 547         $wgLogActionsHandlers['newusers/newusers'] = NewUsersLogFormatter::class;
 548         $wgLogActionsHandlers['newusers/create'] = NewUsersLogFormatter::class;
 549         $wgLogActionsHandlers['newusers/create2'] = NewUsersLogFormatter::class;
 550         $wgLogActionsHandlers['newusers/byemail'] = NewUsersLogFormatter::class;
 551         $wgLogActionsHandlers['newusers/autocreate'] = NewUsersLogFormatter::class;
 552 }
 553
 554 if ( $wgPageCreationLog ) {
 555         // Add page creation log type
 556         $wgLogTypes[] = 'create';
 557         $wgLogActionsHandlers['create/create'] = LogFormatter::class;
 558 }
 559
 560 if ( $wgPageLanguageUseDB ) {
 561         $wgLogTypes[] = 'pagelang';
 562         $wgLogActionsHandlers['pagelang/pagelang'] = PageLangLogFormatter::class;
 563 }
 564
 565 if ( $wgCookieSecure === 'detect' ) {
 566         $wgCookieSecure = ( WebRequest::detectProtocol() === 'https' );
 567 }
 568
 569 if ( $wgProfileOnly ) {
 570         $wgDebugLogGroups['profileoutput'] = $wgDebugLogFile;
 571         $wgDebugLogFile = '';
 572 }
 573
 574 // Backwards compatibility with old password limits
 575 if ( $wgMinimalPasswordLength !== false ) {
 576         $wgPasswordPolicy['policies']['default']['MinimalPasswordLength'] = $wgMinimalPasswordLength;
 577 }
 578
 579 if ( $wgMaximalPasswordLength !== false ) {
 580         $wgPasswordPolicy['policies']['default']['MaximalPasswordLength'] = $wgMaximalPasswordLength;
 581 }
 582
 583 if ( $wgPHPSessionHandling !== 'enable' &&
 584         $wgPHPSessionHandling !== 'warn' &&
 585         $wgPHPSessionHandling !== 'disable'
 586 ) {
 587         $wgPHPSessionHandling = 'warn';
 588 }
 589 if ( defined( 'MW_NO_SESSION' ) ) {
 590         // If the entry point wants no session, force 'disable' here unless they
 591         // specifically set it to the (undocumented) 'warn'.
 592         $wgPHPSessionHandling = MW_NO_SESSION === 'warn' ? 'warn' : 'disable';
 593 }
 594
 595 Profiler::instance()->scopedProfileOut( $ps_default );
 596
 597 // Disable MWDebug for command line mode, this prevents MWDebug from eating up
 598 // all the memory from logging SQL queries on maintenance scripts
 599 global $wgCommandLineMode;
 600 if ( $wgDebugToolbar && !$wgCommandLineMode ) {
 601         MWDebug::init();
 602 }
 603
 604 // Reset the global service locator, so any services that have already been created will be
 605 // re-created while taking into account any custom settings and extensions.
 606 MediaWikiServices::resetGlobalInstance( new GlobalVarConfig(), 'quick' );
 607
 608 if ( $wgSharedDB && $wgSharedTables ) {
 609         // Apply $wgSharedDB table aliases for the local LB (all non-foreign DB connections)
 610         MediaWikiServices::getInstance()->getDBLoadBalancer()->setTableAliases(
 611                 array_fill_keys(
 612                         $wgSharedTables,
 613                         [
 614                                 'dbname' => $wgSharedDB,
 615                                 'schema' => $wgSharedSchema,
 616                                 'prefix' => $wgSharedPrefix
 617                         ]
 618                 )
 619         );
 620 }
 621
 622 // Define a constant that indicates that the bootstrapping of the service locator
 623 // is complete.
 624 define( 'MW_SERVICE_BOOTSTRAP_COMPLETE', 1 );
 625
 626 MWExceptionHandler::installHandler();
 627
 628 // T48998: Bail out early if $wgArticlePath is non-absolute
 629 foreach ( [ 'wgArticlePath', 'wgVariantArticlePath' ] as $varName ) {
 630         if ( $$varName && !preg_match( '/^(https?:\/\/|\/)/', $$varName ) ) {
 631                 throw new FatalError(
 632                         "If you use a relative URL for \$$varName, it must start " .
 633                         'with a slash (<code>/</code>).<br><br>See ' .
 634                         "<a href=\"https://www.mediawiki.org/wiki/Manual:\$$varName\">" .
 635                         "https://www.mediawiki.org/wiki/Manual:\$$varName</a>."
 636                 );
 637         }
 638 }
 639
 640 $ps_default2 = Profiler::instance()->scopedProfileIn( $fname . '-defaults2' );
 641
 642 if ( $wgCanonicalServer === false ) {
 643         $wgCanonicalServer = wfExpandUrl( $wgServer, PROTO_HTTP );
 644 }
 645
 646 // Set server name
 647 $serverParts = wfParseUrl( $wgCanonicalServer );
 648 if ( $wgServerName !== false ) {
 649         wfWarn( '$wgServerName should be derived from $wgCanonicalServer, '
 650                 . 'not customized. Overwriting $wgServerName.' );
 651 }
 652 $wgServerName = $serverParts['host'];
 653 unset( $serverParts );
 654
 655 // Set defaults for configuration variables
 656 // that are derived from the server name by default
 657 // Note: $wgEmergencyContact and $wgPasswordSender may be false or empty string (T104142)
 658 if ( !$wgEmergencyContact ) {
 659         $wgEmergencyContact = 'wikiadmin@' . $wgServerName;
 660 }
 661 if ( !$wgPasswordSender ) {
 662         $wgPasswordSender = 'apache@' . $wgServerName;
 663 }
 664 if ( !$wgNoReplyAddress ) {
 665         $wgNoReplyAddress = $wgPasswordSender;
 666 }
 667
 668 if ( $wgSecureLogin && substr( $wgServer, 0, 2 ) !== '//' ) {
 669         $wgSecureLogin = false;
 670         wfWarn( 'Secure login was enabled on a server that only supports '
 671                 . 'HTTP or HTTPS. Disabling secure login.' );
 672 }
 673
 674 $wgVirtualRestConfig['global']['domain'] = $wgCanonicalServer;
 675
 676 // Now that GlobalFunctions is loaded, set defaults that depend on it.
 677 if ( $wgTmpDirectory === false ) {
 678         $wgTmpDirectory = wfTempDir();
 679 }
 680
 681 // We don't use counters anymore. Left here for extensions still
 682 // expecting this to exist. Should be removed sometime 1.26 or later.
 683 if ( !isset( $wgDisableCounters ) ) {
 684         $wgDisableCounters = true;
 685 }
 686
 687 if ( $wgMainWANCache === false ) {
 688         // Setup a WAN cache from $wgMainCacheType with no relayer.
 689         // Sites using multiple datacenters can configure a relayer.
 690         $wgMainWANCache = 'mediawiki-main-default';
 691         $wgWANObjectCaches[$wgMainWANCache] = [
 692                 'class'    => WANObjectCache::class,
 693                 'cacheId'  => $wgMainCacheType
 694         ];
 695 }
 696
 697 Profiler::instance()->scopedProfileOut( $ps_default2 );
 698
 699 $ps_misc = Profiler::instance()->scopedProfileIn( $fname . '-misc' );
 700
 701 // Raise the memory limit if it's too low
 702 wfMemoryLimit();
 703
 704 /**
 705  * Set up the timezone, suppressing the pseudo-security warning in PHP 5.1+
 706  * that happens whenever you use a date function without the timezone being
 707  * explicitly set. Inspired by phpMyAdmin's treatment of the problem.
 708  */
 709 if ( is_null( $wgLocaltimezone ) ) {
 710         Wikimedia\suppressWarnings();
 711         $wgLocaltimezone = date_default_timezone_get();
 712         Wikimedia\restoreWarnings();
 713 }
 714
 715 date_default_timezone_set( $wgLocaltimezone );
 716 if ( is_null( $wgLocalTZoffset ) ) {
 717         $wgLocalTZoffset = date( 'Z' ) / 60;
 718 }
 719 // The part after the System| is ignored, but rest of MW fills it
 720 // out as the local offset.
 721 $wgDefaultUserOptions['timecorrection'] = "System|$wgLocalTZoffset";
 722
 723 if ( !$wgDBerrorLogTZ ) {
 724         $wgDBerrorLogTZ = $wgLocaltimezone;
 725 }
 726
 727 // Initialize the request object in $wgRequest
 728 $wgRequest = RequestContext::getMain()->getRequest(); // BackCompat
 729 // Set user IP/agent information for agent session consistency purposes
 730 $cpPosInfo = LBFactory::getCPInfoFromCookieValue(
 731         // The cookie has no prefix and is set by MediaWiki::preOutputCommit()
 732         $wgRequest->getCookie( 'cpPosIndex', '' ),
 733         // Mitigate broken client-side cookie expiration handling (T190082)
 734         time() - ChronologyProtector::POSITION_COOKIE_TTL
 735 );
 736 MediaWikiServices::getInstance()->getDBLoadBalancerFactory()->setRequestInfo( [
 737         'IPAddress' => $wgRequest->getIP(),
 738         'UserAgent' => $wgRequest->getHeader( 'User-Agent' ),
 739         'ChronologyProtection' => $wgRequest->getHeader( 'ChronologyProtection' ),
 740         'ChronologyPositionIndex' => $wgRequest->getInt( 'cpPosIndex', $cpPosInfo['index'] ),
 741         'ChronologyClientId' => $cpPosInfo['clientId']
 742 ] );
 743 unset( $cpPosInfo );
 744 // Make sure that object caching does not undermine the ChronologyProtector improvements
 745 if ( $wgRequest->getCookie( 'UseDC', '' ) === 'master' ) {
 746         // The user is pinned to the primary DC, meaning that they made recent changes which should
 747         // be reflected in their subsequent web requests. Avoid the use of interim cache keys because
 748         // they use a blind TTL and could be stale if an object changes twice in a short time span.
 749         MediaWikiServices::getInstance()->getMainWANObjectCache()->useInterimHoldOffCaching( false );
 750 }
 751
 752 // Useful debug output
 753 if ( $wgCommandLineMode ) {
 754         wfDebug( "\n\nStart command line script $self\n" );
 755 } else {
 756         $debug = "\n\nStart request {$wgRequest->getMethod()} {$wgRequest->getRequestURL()}\n";
 757
 758         if ( $wgDebugPrintHttpHeaders ) {
 759                 $debug .= "HTTP HEADERS:\n";
 760
 761                 foreach ( $wgRequest->getAllHeaders() as $name => $value ) {
 762                         $debug .= "$name: $value\n";
 763                 }
 764         }
 765         wfDebug( $debug );
 766 }
 767
 768 $wgMemc = ObjectCache::getLocalClusterInstance();
 769 $messageMemc = wfGetMessageCacheStorage();
 770
 771 wfDebugLog( 'caches',
 772         'cluster: ' . get_class( $wgMemc ) .
 773         ', WAN: ' . ( $wgMainWANCache === CACHE_NONE ? 'CACHE_NONE' : $wgMainWANCache ) .
 774         ', stash: ' . $wgMainStash .
 775         ', message: ' . get_class( $messageMemc ) .
 776         ', session: ' . get_class( ObjectCache::getInstance( $wgSessionCacheType ) )
 777 );
 778
 779 Profiler::instance()->scopedProfileOut( $ps_misc );
 780
 781 // Most of the config is out, some might want to run hooks here.
 782 Hooks::run( 'SetupAfterCache' );
 783
 784 $ps_globals = Profiler::instance()->scopedProfileIn( $fname . '-globals' );
 785
 786 /**
 787  * @var Language $wgContLang
 788  * @deprecated since 1.32, use the ContentLanguage service directly
 789  */
 790 $wgContLang = MediaWikiServices::getInstance()->getContentLanguage();
 791
 792 // Now that variant lists may be available...
 793 $wgRequest->interpolateTitle();
 794
 795 /**
 796  * @var MediaWiki\Session\SessionId|null $wgInitialSessionId The persistent
 797  * session ID (if any) loaded at startup
 798  */
 799 $wgInitialSessionId = null;
 800 if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
 801         // If session.auto_start is there, we can't touch session name
 802         if ( $wgPHPSessionHandling !== 'disable' && !wfIniGetBool( 'session.auto_start' ) ) {
 803                 session_name( $wgSessionName ?: $wgCookiePrefix . '_session' );
 804         }
 805
 806         // Create the SessionManager singleton and set up our session handler,
 807         // unless we're specifically asked not to.
 808         if ( !defined( 'MW_NO_SESSION_HANDLER' ) ) {
 809                 MediaWiki\Session\PHPSessionHandler::install(
 810                         MediaWiki\Session\SessionManager::singleton()
 811                 );
 812         }
 813
 814         // Initialize the session
 815         try {
 816                 $session = MediaWiki\Session\SessionManager::getGlobalSession();
 817         } catch ( OverflowException $ex ) {
 818                 if ( isset( $ex->sessionInfos ) && count( $ex->sessionInfos ) >= 2 ) {
 819                         // The exception is because the request had multiple possible
 820                         // sessions tied for top priority. Report this to the user.
 821                         $list = [];
 822                         foreach ( $ex->sessionInfos as $info ) {
 823                                 $list[] = $info->getProvider()->describe( $wgContLang );
 824                         }
 825                         $list = $wgContLang->listToText( $list );
 826                         throw new HttpError( 400,
 827                                 Message::newFromKey( 'sessionmanager-tie', $list )->inLanguage( $wgContLang )->plain()
 828                         );
 829                 }
 830
 831                 // Not the one we want, rethrow
 832                 throw $ex;
 833         }
 834
 835         if ( $session->isPersistent() ) {
 836                 $wgInitialSessionId = $session->getSessionId();
 837         }
 838
 839         $session->renew();
 840         if ( MediaWiki\Session\PHPSessionHandler::isEnabled() &&
 841                 ( $session->isPersistent() || $session->shouldRememberUser() ) &&
 842                 session_id() !== $session->getId()
 843         ) {
 844                 // Start the PHP-session for backwards compatibility
 845                 if ( session_id() !== '' ) {
 846                         wfDebugLog( 'session', 'PHP session {old_id} was already started, changing to {new_id}', 'all', [
 847                                 'old_id' => session_id(),
 848                                 'new_id' => $session->getId(),
 849                         ] );
 850                         session_write_close();
 851                 }
 852                 session_id( $session->getId() );
 853                 session_start();
 854         }
 855
 856         unset( $session );
 857 } else {
 858         // Even if we didn't set up a global Session, still install our session
 859         // handler unless specifically requested not to.
 860         if ( !defined( 'MW_NO_SESSION_HANDLER' ) ) {
 861                 MediaWiki\Session\PHPSessionHandler::install(
 862                         MediaWiki\Session\SessionManager::singleton()
 863                 );
 864         }
 865 }
 866
 867 /**
 868  * @var User $wgUser
 869  */
 870 $wgUser = RequestContext::getMain()->getUser(); // BackCompat
 871
 872 /**
 873  * @var Language $wgLang
 874  */
 875 $wgLang = new StubUserLang;
 876
 877 /**
 878  * @var OutputPage $wgOut
 879  */
 880 $wgOut = RequestContext::getMain()->getOutput(); // BackCompat
 881
 882 /**
 883  * @var Parser $wgParser
 884  * @deprecated since 1.32, use MediaWikiServices::getInstance()->getParser() instead
 885  */
 886 $wgParser = new StubObject( 'wgParser', function () {
 887         return MediaWikiServices::getInstance()->getParser();
 888 } );
 889
 890 /**
 891  * @var Title $wgTitle
 892  */
 893 $wgTitle = null;
 894
 895 Profiler::instance()->scopedProfileOut( $ps_globals );
 896 $ps_extensions = Profiler::instance()->scopedProfileIn( $fname . '-extensions' );
 897
 898 // Extension setup functions
 899 // Entries should be added to this variable during the inclusion
 900 // of the extension file. This allows the extension to perform
 901 // any necessary initialisation in the fully initialised environment
 902 foreach ( $wgExtensionFunctions as $func ) {
 903         call_user_func( $func );
 904 }
 905
 906 // If the session user has a 0 id but a valid name, that means we need to
 907 // autocreate it.
 908 if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
 909         $sessionUser = MediaWiki\Session\SessionManager::getGlobalSession()->getUser();
 910         if ( $sessionUser->getId() === 0 && User::isValidUserName( $sessionUser->getName() ) ) {
 911                 $res = MediaWiki\Auth\AuthManager::singleton()->autoCreateUser(
 912                         $sessionUser,
 913                         MediaWiki\Auth\AuthManager::AUTOCREATE_SOURCE_SESSION,
 914                         true
 915                 );
 916                 \MediaWiki\Logger\LoggerFactory::getInstance( 'authevents' )->info( 'Autocreation attempt', [
 917                         'event' => 'autocreate',
 918                         'status' => $res,
 919                 ] );
 920                 unset( $res );
 921         }
 922         unset( $sessionUser );
 923 }
 924
 925 if ( !$wgCommandLineMode ) {
 926         Pingback::schedulePingback();
 927 }
 928
 929 $wgFullyInitialised = true;
 930
 931 Profiler::instance()->scopedProfileOut( $ps_extensions );
 932 Profiler::instance()->scopedProfileOut( $ps_setup );