3 * Include most things that are needed to make MediaWiki work.
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.
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.
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.
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
26 use MediaWiki\MediaWikiServices
;
27 use Wikimedia\Rdbms\LBFactory
;
28 use Wikimedia\Rdbms\ChronologyProtector
;
31 * This file is not a valid entry point, perform no further processing unless
32 * MEDIAWIKI is defined
34 if ( !defined( 'MEDIAWIKI' ) ) {
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";
44 unset( $wgScopeTest );
47 * Pre-config setup: Before loading LocalSettings.php
50 // Sanity check (T5782, T122807)
51 if ( ini_get( 'mbstring.func_overload' ) ) {
52 die( 'MediaWiki does not support installations where mbstring.func_overload is non-zero.' );
55 // Start the autoloader, so that extensions can derive classes from core files
56 require_once "$IP/includes/AutoLoader.php";
58 // Load global constants
59 require_once "$IP/includes/Defines.php";
61 // Load default settings
62 require_once "$IP/includes/DefaultSettings.php";
64 // Load global functions
65 require_once "$IP/includes/GlobalFunctions.php";
67 // Load composer's autoloader if present
68 if ( is_readable( "$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" );
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' ) ) {
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.'
88 trigger_error( $message, E_USER_ERROR
);
93 * Changes to the PHP environment that don't vary on configuration.
96 // Install a header callback
97 MediaWiki\HeaderCallback
::register();
99 // Set the encoding used by PHP for reading HTTP input, and writing output.
100 // This is also the default for mbstring functions.
101 mb_internal_encoding( 'UTF-8' );
104 * Load LocalSettings.php
107 if ( defined( 'MW_CONFIG_CALLBACK' ) ) {
108 call_user_func( MW_CONFIG_CALLBACK
);
110 if ( !defined( 'MW_CONFIG_FILE' ) ) {
111 define( 'MW_CONFIG_FILE', "$IP/LocalSettings.php" );
113 require_once MW_CONFIG_FILE
;
117 * Customization point after all loading (constants, functions, classes,
118 * DefaultSettings, LocalSettings). Specifically, this is before usage of
119 * settings, before instantiation of Profiler (and other singletons), and
120 * before any setup functions or hooks run.
123 if ( defined( 'MW_SETUP_CALLBACK' ) ) {
124 call_user_func( MW_SETUP_CALLBACK
);
131 // Load queued extensions
132 ExtensionRegistry
::getInstance()->loadFromQueue();
133 // Don't let any other extensions load
134 ExtensionRegistry
::getInstance()->finish();
136 // Set the configured locale on all requests for consisteny
137 putenv( "LC_ALL=$wgShellLocale" );
138 setlocale( LC_ALL
, $wgShellLocale );
140 // Set various default paths sensibly...
141 if ( $wgScript === false ) {
142 $wgScript = "$wgScriptPath/index.php";
144 if ( $wgLoadScript === false ) {
145 $wgLoadScript = "$wgScriptPath/load.php";
147 if ( $wgRestPath === false ) {
148 $wgRestPath = "$wgScriptPath/rest.php";
151 if ( $wgArticlePath === false ) {
152 if ( $wgUsePathInfo ) {
153 $wgArticlePath = "$wgScript/$1";
155 $wgArticlePath = "$wgScript?title=$1";
159 if ( !empty( $wgActionPaths ) && !isset( $wgActionPaths['view'] ) ) {
160 // 'view' is assumed the default action path everywhere in the code
161 // but is rarely filled in $wgActionPaths
162 $wgActionPaths['view'] = $wgArticlePath;
165 if ( $wgResourceBasePath === null ) {
166 $wgResourceBasePath = $wgScriptPath;
168 if ( $wgStylePath === false ) {
169 $wgStylePath = "$wgResourceBasePath/skins";
171 if ( $wgLocalStylePath === false ) {
172 // Avoid wgResourceBasePath here since that may point to a different domain (e.g. CDN)
173 $wgLocalStylePath = "$wgScriptPath/skins";
175 if ( $wgExtensionAssetsPath === false ) {
176 $wgExtensionAssetsPath = "$wgResourceBasePath/extensions";
179 if ( $wgLogo === false ) {
180 $wgLogo = "$wgResourceBasePath/resources/assets/wiki.png";
183 if ( $wgUploadPath === false ) {
184 $wgUploadPath = "$wgScriptPath/images";
186 if ( $wgUploadDirectory === false ) {
187 $wgUploadDirectory = "$IP/images";
189 if ( $wgReadOnlyFile === false ) {
190 $wgReadOnlyFile = "{$wgUploadDirectory}/lock_yBgMBwiR";
192 if ( $wgFileCacheDirectory === false ) {
193 $wgFileCacheDirectory = "{$wgUploadDirectory}/cache";
195 if ( $wgDeletedDirectory === false ) {
196 $wgDeletedDirectory = "{$wgUploadDirectory}/deleted";
199 if ( $wgGitInfoCacheDirectory === false && $wgCacheDirectory !== false ) {
200 $wgGitInfoCacheDirectory = "{$wgCacheDirectory}/gitinfo";
203 // Fix path to icon images after they were moved in 1.24
204 if ( $wgRightsIcon ) {
205 $wgRightsIcon = str_replace(
206 "{$wgStylePath}/common/images/",
207 "{$wgResourceBasePath}/resources/assets/licenses/",
212 if ( isset( $wgFooterIcons['copyright']['copyright'] )
213 && $wgFooterIcons['copyright']['copyright'] === []
215 if ( $wgRightsIcon ||
$wgRightsText ) {
216 $wgFooterIcons['copyright']['copyright'] = [
217 'url' => $wgRightsUrl,
218 'src' => $wgRightsIcon,
219 'alt' => $wgRightsText,
224 if ( isset( $wgFooterIcons['poweredby'] )
225 && isset( $wgFooterIcons['poweredby']['mediawiki'] )
226 && $wgFooterIcons['poweredby']['mediawiki']['src'] === null
228 $wgFooterIcons['poweredby']['mediawiki']['src'] =
229 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_88x31.png";
230 $wgFooterIcons['poweredby']['mediawiki']['srcset'] =
231 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_132x47.png 1.5x, " .
232 "$wgResourceBasePath/resources/assets/poweredby_mediawiki_176x62.png 2x";
236 * Unconditional protection for NS_MEDIAWIKI since otherwise it's too easy for a
237 * sysadmin to set $wgNamespaceProtection incorrectly and leave the wiki insecure.
239 * Note that this is the definition of editinterface and it can be granted to
240 * all users if desired.
242 $wgNamespaceProtection[NS_MEDIAWIKI
] = 'editinterface';
245 * The canonical names of namespaces 6 and 7 are, as of v1.14, "File"
246 * and "File_talk". The old names "Image" and "Image_talk" are
247 * retained as aliases for backwards compatibility.
249 $wgNamespaceAliases['Image'] = NS_FILE
;
250 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK
;
253 * Initialise $wgLockManagers to include basic FS version
255 $wgLockManagers[] = [
256 'name' => 'fsLockManager',
257 'class' => FSLockManager
::class,
258 'lockDirectory' => "{$wgUploadDirectory}/lockdir",
260 $wgLockManagers[] = [
261 'name' => 'nullLockManager',
262 'class' => NullLockManager
::class,
266 * Default parameters for the "<gallery>" tag.
267 * @see DefaultSettings.php for description of the fields.
269 $wgGalleryOptions +
= [
272 'imageHeight' => 120,
273 'captionLength' => true,
275 'showDimensions' => true,
276 'mode' => 'traditional',
280 * Shortcuts for $wgLocalFileRepo
282 if ( !$wgLocalFileRepo ) {
284 'class' => LocalRepo
::class,
286 'directory' => $wgUploadDirectory,
287 'scriptDirUrl' => $wgScriptPath,
288 'url' => $wgUploadBaseUrl ?
$wgUploadBaseUrl . $wgUploadPath : $wgUploadPath,
289 'hashLevels' => $wgHashedUploadDirectory ?
2 : 0,
290 'thumbScriptUrl' => $wgThumbnailScriptPath,
291 'transformVia404' => !$wgGenerateThumbnailOnParse,
292 'deletedDir' => $wgDeletedDirectory,
293 'deletedHashLevels' => $wgHashedUploadDirectory ?
3 : 0
297 if ( !isset( $wgLocalFileRepo['backend'] ) ) {
298 // Create a default FileBackend name.
299 // FileBackendGroup will register a default, if absent from $wgFileBackends.
300 $wgLocalFileRepo['backend'] = $wgLocalFileRepo['name'] . '-backend';
304 * Shortcuts for $wgForeignFileRepos
306 if ( $wgUseSharedUploads ) {
307 if ( $wgSharedUploadDBname ) {
308 $wgForeignFileRepos[] = [
309 'class' => ForeignDBRepo
::class,
311 'directory' => $wgSharedUploadDirectory,
312 'url' => $wgSharedUploadPath,
313 'hashLevels' => $wgHashedSharedUploadDirectory ?
2 : 0,
314 'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
315 'transformVia404' => !$wgGenerateThumbnailOnParse,
316 'dbType' => $wgDBtype,
317 'dbServer' => $wgDBserver,
318 'dbUser' => $wgDBuser,
319 'dbPassword' => $wgDBpassword,
320 'dbName' => $wgSharedUploadDBname,
321 'dbFlags' => ( $wgDebugDumpSql ? DBO_DEBUG
: 0 ) | DBO_DEFAULT
,
322 'tablePrefix' => $wgSharedUploadDBprefix,
323 'hasSharedCache' => $wgCacheSharedUploads,
324 'descBaseUrl' => $wgRepositoryBaseUrl,
325 'fetchDescription' => $wgFetchCommonsDescriptions,
328 $wgForeignFileRepos[] = [
329 'class' => FileRepo
::class,
331 'directory' => $wgSharedUploadDirectory,
332 'url' => $wgSharedUploadPath,
333 'hashLevels' => $wgHashedSharedUploadDirectory ?
2 : 0,
334 'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
335 'transformVia404' => !$wgGenerateThumbnailOnParse,
336 'descBaseUrl' => $wgRepositoryBaseUrl,
337 'fetchDescription' => $wgFetchCommonsDescriptions,
341 if ( $wgUseInstantCommons ) {
342 $wgForeignFileRepos[] = [
343 'class' => ForeignAPIRepo
::class,
344 'name' => 'wikimediacommons',
345 'apibase' => 'https://commons.wikimedia.org/w/api.php',
346 'url' => 'https://upload.wikimedia.org/wikipedia/commons',
347 'thumbUrl' => 'https://upload.wikimedia.org/wikipedia/commons/thumb',
349 'transformVia404' => true,
350 'fetchDescription' => true,
351 'descriptionCacheExpiry' => 43200,
352 'apiThumbCacheExpiry' => 0,
355 foreach ( $wgForeignFileRepos as &$repo ) {
356 if ( !isset( $repo['directory'] ) && $repo['class'] === ForeignAPIRepo
::class ) {
357 $repo['directory'] = $wgUploadDirectory; // b/c
359 if ( !isset( $repo['backend'] ) ) {
360 $repo['backend'] = $repo['name'] . '-backend';
363 unset( $repo ); // no global pollution; destroy reference
365 $rcMaxAgeDays = $wgRCMaxAge / ( 3600 * 24 );
366 // Ensure that default user options are not invalid, since that breaks Special:Preferences
367 $wgDefaultUserOptions['rcdays'] = min(
368 $wgDefaultUserOptions['rcdays'],
369 ceil( $rcMaxAgeDays )
371 $wgDefaultUserOptions['watchlistdays'] = min(
372 $wgDefaultUserOptions['watchlistdays'],
373 ceil( $rcMaxAgeDays )
375 unset( $rcMaxAgeDays );
378 // Hard deprecated in 1.34.
379 wfDeprecated( '$wgSkipSkin – use $wgSkipSkins instead', '1.23' );
380 $wgSkipSkins[] = $wgSkipSkin;
383 $wgSkipSkins[] = 'fallback';
384 $wgSkipSkins[] = 'apioutput';
386 if ( $wgLocalInterwiki ) {
387 // Hard deprecated in 1.34.
388 wfDeprecated( '$wgLocalInterwiki – use $wgLocalInterwikis instead', '1.23' );
389 array_unshift( $wgLocalInterwikis, $wgLocalInterwiki );
392 // Set default shared prefix
393 if ( $wgSharedPrefix === false ) {
394 $wgSharedPrefix = $wgDBprefix;
397 // Set default shared schema
398 if ( $wgSharedSchema === false ) {
399 $wgSharedSchema = $wgDBmwschema;
402 if ( !$wgCookiePrefix ) {
403 if ( $wgSharedDB && $wgSharedPrefix && in_array( 'user', $wgSharedTables ) ) {
404 $wgCookiePrefix = $wgSharedDB . '_' . $wgSharedPrefix;
405 } elseif ( $wgSharedDB && in_array( 'user', $wgSharedTables ) ) {
406 $wgCookiePrefix = $wgSharedDB;
407 } elseif ( $wgDBprefix ) {
408 $wgCookiePrefix = $wgDBname . '_' . $wgDBprefix;
410 $wgCookiePrefix = $wgDBname;
413 $wgCookiePrefix = strtr( $wgCookiePrefix, '=,; +."\'\\[', '__________' );
415 if ( $wgEnableEmail ) {
416 $wgUseEnotif = $wgEnotifUserTalk ||
$wgEnotifWatchlist;
418 // Disable all other email settings automatically if $wgEnableEmail
419 // is set to false. - T65678
420 $wgAllowHTMLEmail = false;
421 $wgEmailAuthentication = false; // do not require auth if you're not sending email anyway
422 $wgEnableUserEmail = false;
423 $wgEnotifFromEditor = false;
424 $wgEnotifImpersonal = false;
425 $wgEnotifMaxRecips = 0;
426 $wgEnotifMinorEdits = false;
427 $wgEnotifRevealEditorAddress = false;
428 $wgEnotifUseRealName = false;
429 $wgEnotifUserTalk = false;
430 $wgEnotifWatchlist = false;
431 unset( $wgGroupPermissions['user']['sendemail'] );
432 $wgUseEnotif = false;
433 $wgUserEmailUseReplyTo = false;
434 $wgUsersNotifiedOnAllChanges = [];
437 if ( $wgMetaNamespace === false ) {
438 $wgMetaNamespace = str_replace( ' ', '_', $wgSitename );
441 // Default value is 2000 or the suhosin limit if it is between 1 and 2000
442 if ( $wgResourceLoaderMaxQueryLength === false ) {
443 $suhosinMaxValueLength = (int)ini_get( 'suhosin.get.max_value_length' );
444 if ( $suhosinMaxValueLength > 0 && $suhosinMaxValueLength < 2000 ) {
445 $wgResourceLoaderMaxQueryLength = $suhosinMaxValueLength;
447 $wgResourceLoaderMaxQueryLength = 2000;
449 unset( $suhosinMaxValueLength );
452 // Ensure the minimum chunk size is less than PHP upload limits or the maximum
454 $wgMinUploadChunkSize = min(
455 $wgMinUploadChunkSize,
456 UploadBase
::getMaxUploadSize( 'file' ),
457 UploadBase
::getMaxPhpUploadSize(),
458 ( wfShorthandToInteger(
459 ini_get( 'post_max_size' ) ?
: ini_get( 'hhvm.server.max_post_size' ),
461 ) ?
: PHP_INT_MAX
) - 1024 // Leave some room for other POST parameters
465 * Definitions of the NS_ constants are in Defines.php
468 $wgCanonicalNamespaceNames = NamespaceInfo
::$canonicalNames;
471 if ( is_array( $wgExtraNamespaces ) ) {
472 $wgCanonicalNamespaceNames +
= $wgExtraNamespaces;
475 // Hard-deprecate setting $wgDummyLanguageCodes in LocalSettings.php
476 if ( count( $wgDummyLanguageCodes ) !== 0 ) {
477 wfDeprecated( '$wgDummyLanguageCodes', '1.29' );
479 // Merge in the legacy language codes, incorporating overrides from the config
480 $wgDummyLanguageCodes +
= [
481 // Internal language codes of the private-use area which get mapped to
483 'qqq' => 'qqq', // Used for message documentation
484 'qqx' => 'qqx', // Used for viewing message keys
485 ] +
$wgExtraLanguageCodes + LanguageCode
::getDeprecatedCodeMapping();
486 // Merge in (inverted) BCP 47 mappings
487 foreach ( LanguageCode
::getNonstandardLanguageCodeMapping() as $code => $bcp47 ) {
488 $bcp47 = strtolower( $bcp47 ); // force case-insensitivity
489 if ( !isset( $wgDummyLanguageCodes[$bcp47] ) ) {
490 $wgDummyLanguageCodes[$bcp47] = $wgDummyLanguageCodes[$code] ??
$code;
494 // These are now the same, always
495 // To determine the user language, use $wgLang->getCode()
496 $wgContLanguageCode = $wgLanguageCode;
498 // Temporary backwards-compatibility reading of old Squid-named CDN settings as of MediaWiki 1.34,
499 // to support sysadmins who fail to update their settings immediately:
501 if ( isset( $wgUseSquid ) ) {
502 // If the sysadmin is still setting a value of $wgUseSquid to true but $wgUseCdn is the default of
503 // false, to be safe, assume they do want this still, so enable it.
504 if ( !$wgUseCdn && $wgUseSquid ) {
505 $wgUseCdn = $wgUseSquid;
506 wfDeprecated( '$wgUseSquid enabled but $wgUseCdn disabled; enabling CDN functions', '1.34' );
509 // Backwards-compatibility for extensions that read this value.
510 $wgUseSquid = $wgUseCdn;
513 if ( isset( $wgSquidServers ) ) {
514 // If the sysadmin is still setting a value of $wgSquidServers but $wgCdnServers is the default of
515 // empty, to be safe, assume they do want these servers to be still used, so use them.
516 if ( !empty( $wgSquidServers ) && empty( $wgCdnServers ) ) {
517 $wgCdnServers = $wgSquidServers;
518 wfDeprecated( '$wgSquidServers set, $wgCdnServers empty; using them', '1.34' );
521 // Backwards-compatibility for extensions that read this value.
522 $wgSquidServers = $wgCdnServers;
525 if ( isset( $wgSquidServersNoPurge ) ) {
526 // If the sysadmin is still setting values in $wgSquidServersNoPurge but $wgCdnServersNoPurge is
527 // the default of empty, to be safe, assume they do want these servers to be still used, so use
529 if ( !empty( $wgSquidServersNoPurge ) && empty( $wgCdnServersNoPurge ) ) {
530 $wgCdnServersNoPurge = $wgSquidServersNoPurge;
531 wfDeprecated( '$wgSquidServersNoPurge set, $wgCdnServersNoPurge empty; using them', '1.34' );
534 // Backwards-compatibility for extensions that read this value.
535 $wgSquidServersNoPurge = $wgCdnServersNoPurge;
538 if ( isset( $wgSquidMaxage ) ) {
539 // If the sysadmin is still setting a value of $wgSquidMaxage and it's higher than $wgCdnMaxAge,
540 // to be safe, assume they want the higher (lower performance requirement) value, so use that.
541 if ( $wgCdnMaxAge < $wgSquidMaxage ) {
542 $wgCdnMaxAge = $wgSquidMaxage;
543 wfDeprecated( '$wgSquidMaxage set higher than $wgCdnMaxAge; using the higher value', '1.34' );
546 // Backwards-compatibility for extensions that read this value.
547 $wgSquidMaxage = $wgCdnMaxAge;
550 // Easy to forget to falsify $wgDebugToolbar for static caches.
551 // If file cache or CDN cache is on, just disable this (DWIMD).
552 if ( $wgUseFileCache ||
$wgUseCdn ) {
553 $wgDebugToolbar = false;
556 // Blacklisted file extensions shouldn't appear on the "allowed" list
557 $wgFileExtensions = array_values( array_diff( $wgFileExtensions, $wgFileBlacklist ) );
559 if ( $wgInvalidateCacheOnLocalSettingsChange ) {
560 Wikimedia\
suppressWarnings();
561 $wgCacheEpoch = max( $wgCacheEpoch, gmdate( 'YmdHis', filemtime( "$IP/LocalSettings.php" ) ) );
562 Wikimedia\restoreWarnings
();
565 if ( $wgNewUserLog ) {
566 // Add new user log type
567 $wgLogTypes[] = 'newusers';
568 $wgLogNames['newusers'] = 'newuserlogpage';
569 $wgLogHeaders['newusers'] = 'newuserlogpagetext';
570 $wgLogActionsHandlers['newusers/newusers'] = NewUsersLogFormatter
::class;
571 $wgLogActionsHandlers['newusers/create'] = NewUsersLogFormatter
::class;
572 $wgLogActionsHandlers['newusers/create2'] = NewUsersLogFormatter
::class;
573 $wgLogActionsHandlers['newusers/byemail'] = NewUsersLogFormatter
::class;
574 $wgLogActionsHandlers['newusers/autocreate'] = NewUsersLogFormatter
::class;
577 if ( $wgPageCreationLog ) {
578 // Add page creation log type
579 $wgLogTypes[] = 'create';
580 $wgLogActionsHandlers['create/create'] = LogFormatter
::class;
583 if ( $wgPageLanguageUseDB ) {
584 $wgLogTypes[] = 'pagelang';
585 $wgLogActionsHandlers['pagelang/pagelang'] = PageLangLogFormatter
::class;
588 if ( $wgCookieSecure === 'detect' ) {
589 $wgCookieSecure = ( WebRequest
::detectProtocol() === 'https' );
592 if ( $wgProfileOnly ) {
593 // Hard deprecated in 1.34.
595 '$wgProfileOnly set the log file in $wgDebugLogGroups[\'profileoutput\'] instead',
598 $wgDebugLogGroups['profileoutput'] = $wgDebugLogFile;
599 $wgDebugLogFile = '';
602 // Backwards compatibility with old password limits
603 if ( $wgMinimalPasswordLength !== false ) {
604 $wgPasswordPolicy['policies']['default']['MinimalPasswordLength'] = $wgMinimalPasswordLength;
607 if ( $wgMaximalPasswordLength !== false ) {
608 $wgPasswordPolicy['policies']['default']['MaximalPasswordLength'] = $wgMaximalPasswordLength;
611 if ( $wgPHPSessionHandling !== 'enable' &&
612 $wgPHPSessionHandling !== 'warn' &&
613 $wgPHPSessionHandling !== 'disable'
615 $wgPHPSessionHandling = 'warn';
617 if ( defined( 'MW_NO_SESSION' ) ) {
618 // If the entry point wants no session, force 'disable' here unless they
619 // specifically set it to the (undocumented) 'warn'.
620 $wgPHPSessionHandling = MW_NO_SESSION
=== 'warn' ?
'warn' : 'disable';
623 // Disable MWDebug for command line mode, this prevents MWDebug from eating up
624 // all the memory from logging SQL queries on maintenance scripts
625 global $wgCommandLineMode;
626 if ( $wgDebugToolbar && !$wgCommandLineMode ) {
630 // Reset the global service locator, so any services that have already been created will be
631 // re-created while taking into account any custom settings and extensions.
632 MediaWikiServices
::resetGlobalInstance( new GlobalVarConfig(), 'quick' );
634 // Define a constant that indicates that the bootstrapping of the service locator
636 define( 'MW_SERVICE_BOOTSTRAP_COMPLETE', 1 );
638 MWExceptionHandler
::installHandler();
640 // T48998: Bail out early if $wgArticlePath is non-absolute
641 foreach ( [ 'wgArticlePath', 'wgVariantArticlePath' ] as $varName ) {
642 if ( $
$varName && !preg_match( '/^(https?:\/\/|\/)/', $
$varName ) ) {
643 throw new FatalError(
644 "If you use a relative URL for \$$varName, it must start " .
645 'with a slash (<code>/</code>).<br><br>See ' .
646 "<a href=\"https://www.mediawiki.org/wiki/Manual:\$$varName\">" .
647 "https://www.mediawiki.org/wiki/Manual:\$$varName</a>."
652 if ( $wgCanonicalServer === false ) {
653 $wgCanonicalServer = wfExpandUrl( $wgServer, PROTO_HTTP
);
657 $serverParts = wfParseUrl( $wgCanonicalServer );
658 if ( $wgServerName !== false ) {
659 wfWarn( '$wgServerName should be derived from $wgCanonicalServer, '
660 . 'not customized. Overwriting $wgServerName.' );
662 $wgServerName = $serverParts['host'];
663 unset( $serverParts );
665 // Set defaults for configuration variables
666 // that are derived from the server name by default
667 // Note: $wgEmergencyContact and $wgPasswordSender may be false or empty string (T104142)
668 if ( !$wgEmergencyContact ) {
669 $wgEmergencyContact = 'wikiadmin@' . $wgServerName;
671 if ( !$wgPasswordSender ) {
672 $wgPasswordSender = 'apache@' . $wgServerName;
674 if ( !$wgNoReplyAddress ) {
675 $wgNoReplyAddress = $wgPasswordSender;
678 if ( $wgSecureLogin && substr( $wgServer, 0, 2 ) !== '//' ) {
679 $wgSecureLogin = false;
680 wfWarn( 'Secure login was enabled on a server that only supports '
681 . 'HTTP or HTTPS. Disabling secure login.' );
684 $wgVirtualRestConfig['global']['domain'] = $wgCanonicalServer;
686 // Now that GlobalFunctions is loaded, set defaults that depend on it.
687 if ( $wgTmpDirectory === false ) {
688 $wgTmpDirectory = wfTempDir();
691 // We don't use counters anymore. Left here for extensions still
692 // expecting this to exist. Should be removed sometime 1.26 or later.
693 if ( !isset( $wgDisableCounters ) ) {
694 $wgDisableCounters = true;
697 if ( $wgMainWANCache === false ) {
698 // Setup a WAN cache from $wgMainCacheType with no relayer.
699 // Sites using multiple datacenters can configure a relayer.
700 $wgMainWANCache = 'mediawiki-main-default';
701 $wgWANObjectCaches[$wgMainWANCache] = [
702 'class' => WANObjectCache
::class,
703 'cacheId' => $wgMainCacheType
707 if ( $wgSharedDB && $wgSharedTables ) {
708 // Apply $wgSharedDB table aliases for the local LB (all non-foreign DB connections)
709 MediaWikiServices
::getInstance()->getDBLoadBalancer()->setTableAliases(
713 'dbname' => $wgSharedDB,
714 'schema' => $wgSharedSchema,
715 'prefix' => $wgSharedPrefix
721 // Raise the memory limit if it's too low
722 // Note, this makes use of wfDebug, and thus should not be before
723 // MWDebug::init() is called.
724 wfMemoryLimit( $wgMemoryLimit );
727 * Set up the timezone, suppressing the pseudo-security warning in PHP 5.1+
728 * that happens whenever you use a date function without the timezone being
729 * explicitly set. Inspired by phpMyAdmin's treatment of the problem.
731 if ( is_null( $wgLocaltimezone ) ) {
732 Wikimedia\
suppressWarnings();
733 $wgLocaltimezone = date_default_timezone_get();
734 Wikimedia\restoreWarnings
();
737 date_default_timezone_set( $wgLocaltimezone );
738 if ( is_null( $wgLocalTZoffset ) ) {
739 $wgLocalTZoffset = date( 'Z' ) / 60;
741 // The part after the System| is ignored, but rest of MW fills it
742 // out as the local offset.
743 $wgDefaultUserOptions['timecorrection'] = "System|$wgLocalTZoffset";
745 if ( !$wgDBerrorLogTZ ) {
746 $wgDBerrorLogTZ = $wgLocaltimezone;
749 // Initialize the request object in $wgRequest
750 $wgRequest = RequestContext
::getMain()->getRequest(); // BackCompat
751 // Set user IP/agent information for agent session consistency purposes
752 $cpPosInfo = LBFactory
::getCPInfoFromCookieValue(
753 // The cookie has no prefix and is set by MediaWiki::preOutputCommit()
754 $wgRequest->getCookie( 'cpPosIndex', '' ),
755 // Mitigate broken client-side cookie expiration handling (T190082)
756 time() - ChronologyProtector
::POSITION_COOKIE_TTL
758 MediaWikiServices
::getInstance()->getDBLoadBalancerFactory()->setRequestInfo( [
759 'IPAddress' => $wgRequest->getIP(),
760 'UserAgent' => $wgRequest->getHeader( 'User-Agent' ),
761 'ChronologyProtection' => $wgRequest->getHeader( 'MediaWiki-Chronology-Protection' ),
762 'ChronologyPositionIndex' => $wgRequest->getInt( 'cpPosIndex', $cpPosInfo['index'] ),
763 'ChronologyClientId' => $cpPosInfo['clientId']
764 ??
$wgRequest->getHeader( 'MediaWiki-Chronology-Client-Id' )
767 // Make sure that object caching does not undermine the ChronologyProtector improvements
768 if ( $wgRequest->getCookie( 'UseDC', '' ) === 'master' ) {
769 // The user is pinned to the primary DC, meaning that they made recent changes which should
770 // be reflected in their subsequent web requests. Avoid the use of interim cache keys because
771 // they use a blind TTL and could be stale if an object changes twice in a short time span.
772 MediaWikiServices
::getInstance()->getMainWANObjectCache()->useInterimHoldOffCaching( false );
775 // Useful debug output
776 if ( $wgCommandLineMode ) {
777 if ( isset( $self ) ) {
778 wfDebug( "\n\nStart command line script $self\n" );
781 $debug = "\n\nStart request {$wgRequest->getMethod()} {$wgRequest->getRequestURL()}\n";
782 $debug .= "HTTP HEADERS:\n";
783 foreach ( $wgRequest->getAllHeaders() as $name => $value ) {
784 $debug .= "$name: $value\n";
789 $wgMemc = ObjectCache
::getLocalClusterInstance();
790 $messageMemc = wfGetMessageCacheStorage();
792 wfDebugLog( 'caches',
793 'cluster: ' . get_class( $wgMemc ) .
794 ', WAN: ' . ( $wgMainWANCache === CACHE_NONE ?
'CACHE_NONE' : $wgMainWANCache ) .
795 ', stash: ' . $wgMainStash .
796 ', message: ' . get_class( $messageMemc ) .
797 ', session: ' . get_class( ObjectCache
::getInstance( $wgSessionCacheType ) )
800 // Most of the config is out, some might want to run hooks here.
801 Hooks
::run( 'SetupAfterCache' );
804 * @var Language $wgContLang
805 * @deprecated since 1.32, use the ContentLanguage service directly
807 $wgContLang = MediaWikiServices
::getInstance()->getContentLanguage();
809 // Now that variant lists may be available...
810 $wgRequest->interpolateTitle();
813 * @var MediaWiki\Session\SessionId|null $wgInitialSessionId The persistent
814 * session ID (if any) loaded at startup
816 $wgInitialSessionId = null;
817 if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
818 // If session.auto_start is there, we can't touch session name
819 if ( $wgPHPSessionHandling !== 'disable' && !wfIniGetBool( 'session.auto_start' ) ) {
820 session_name( $wgSessionName ?
: $wgCookiePrefix . '_session' );
823 // Create the SessionManager singleton and set up our session handler,
824 // unless we're specifically asked not to.
825 if ( !defined( 'MW_NO_SESSION_HANDLER' ) ) {
826 MediaWiki\Session\PHPSessionHandler
::install(
827 MediaWiki\Session\SessionManager
::singleton()
831 // Initialize the session
833 $session = MediaWiki\Session\SessionManager
::getGlobalSession();
834 } catch ( OverflowException
$ex ) {
835 if ( isset( $ex->sessionInfos
) && count( $ex->sessionInfos
) >= 2 ) {
836 // The exception is because the request had multiple possible
837 // sessions tied for top priority. Report this to the user.
839 foreach ( $ex->sessionInfos
as $info ) {
840 $list[] = $info->getProvider()->describe( $wgContLang );
842 $list = $wgContLang->listToText( $list );
843 throw new HttpError( 400,
844 Message
::newFromKey( 'sessionmanager-tie', $list )->inLanguage( $wgContLang )->plain()
848 // Not the one we want, rethrow
852 if ( $session->isPersistent() ) {
853 $wgInitialSessionId = $session->getSessionId();
857 if ( MediaWiki\Session\PHPSessionHandler
::isEnabled() &&
858 ( $session->isPersistent() ||
$session->shouldRememberUser() ) &&
859 session_id() !== $session->getId()
861 // Start the PHP-session for backwards compatibility
862 if ( session_id() !== '' ) {
863 wfDebugLog( 'session', 'PHP session {old_id} was already started, changing to {new_id}', 'all', [
864 'old_id' => session_id(),
865 'new_id' => $session->getId(),
867 session_write_close();
869 session_id( $session->getId() );
875 // Even if we didn't set up a global Session, still install our session
876 // handler unless specifically requested not to.
877 if ( !defined( 'MW_NO_SESSION_HANDLER' ) ) {
878 MediaWiki\Session\PHPSessionHandler
::install(
879 MediaWiki\Session\SessionManager
::singleton()
887 $wgUser = RequestContext
::getMain()->getUser(); // BackCompat
890 * @var Language $wgLang
892 $wgLang = new StubUserLang
;
895 * @var OutputPage $wgOut
897 $wgOut = RequestContext
::getMain()->getOutput(); // BackCompat
900 * @var Parser $wgParser
901 * @deprecated since 1.32, use MediaWikiServices::getInstance()->getParser() instead
903 $wgParser = new StubObject( 'wgParser', function () {
904 return MediaWikiServices
::getInstance()->getParser();
908 * @var Title $wgTitle
912 // Extension setup functions
913 // Entries should be added to this variable during the inclusion
914 // of the extension file. This allows the extension to perform
915 // any necessary initialisation in the fully initialised environment
916 foreach ( $wgExtensionFunctions as $func ) {
917 call_user_func( $func );
920 // If the session user has a 0 id but a valid name, that means we need to
922 if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
923 $sessionUser = MediaWiki\Session\SessionManager
::getGlobalSession()->getUser();
924 if ( $sessionUser->getId() === 0 && User
::isValidUserName( $sessionUser->getName() ) ) {
925 $res = MediaWiki\Auth\AuthManager
::singleton()->autoCreateUser(
927 MediaWiki\Auth\AuthManager
::AUTOCREATE_SOURCE_SESSION
,
930 \MediaWiki\Logger\LoggerFactory
::getInstance( 'authevents' )->info( 'Autocreation attempt', [
931 'event' => 'autocreate',
936 unset( $sessionUser );
939 if ( !$wgCommandLineMode ) {
940 Pingback
::schedulePingback();
943 $wgFullyInitialised = true;