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 // @phan-suppress-next-line PhanUndeclaredVariableDim
390 array_unshift( $wgLocalInterwikis, $wgLocalInterwiki );
393 // Set default shared prefix
394 if ( $wgSharedPrefix === false ) {
395 $wgSharedPrefix = $wgDBprefix;
398 // Set default shared schema
399 if ( $wgSharedSchema === false ) {
400 $wgSharedSchema = $wgDBmwschema;
403 if ( !$wgCookiePrefix ) {
404 if ( $wgSharedDB && $wgSharedPrefix && in_array( 'user', $wgSharedTables ) ) {
405 $wgCookiePrefix = $wgSharedDB . '_' . $wgSharedPrefix;
406 } elseif ( $wgSharedDB && in_array( 'user', $wgSharedTables ) ) {
407 $wgCookiePrefix = $wgSharedDB;
408 } elseif ( $wgDBprefix ) {
409 $wgCookiePrefix = $wgDBname . '_' . $wgDBprefix;
411 $wgCookiePrefix = $wgDBname;
414 $wgCookiePrefix = strtr( $wgCookiePrefix, '=,; +."\'\\[', '__________' );
416 if ( $wgEnableEmail ) {
417 $wgUseEnotif = $wgEnotifUserTalk ||
$wgEnotifWatchlist;
419 // Disable all other email settings automatically if $wgEnableEmail
420 // is set to false. - T65678
421 $wgAllowHTMLEmail = false;
422 $wgEmailAuthentication = false; // do not require auth if you're not sending email anyway
423 $wgEnableUserEmail = false;
424 $wgEnotifFromEditor = false;
425 $wgEnotifImpersonal = false;
426 $wgEnotifMaxRecips = 0;
427 $wgEnotifMinorEdits = false;
428 $wgEnotifRevealEditorAddress = false;
429 $wgEnotifUseRealName = false;
430 $wgEnotifUserTalk = false;
431 $wgEnotifWatchlist = false;
432 unset( $wgGroupPermissions['user']['sendemail'] );
433 $wgUseEnotif = false;
434 $wgUserEmailUseReplyTo = false;
435 $wgUsersNotifiedOnAllChanges = [];
438 if ( $wgMetaNamespace === false ) {
439 $wgMetaNamespace = str_replace( ' ', '_', $wgSitename );
442 // Default value is 2000 or the suhosin limit if it is between 1 and 2000
443 if ( $wgResourceLoaderMaxQueryLength === false ) {
444 $suhosinMaxValueLength = (int)ini_get( 'suhosin.get.max_value_length' );
445 if ( $suhosinMaxValueLength > 0 && $suhosinMaxValueLength < 2000 ) {
446 $wgResourceLoaderMaxQueryLength = $suhosinMaxValueLength;
448 $wgResourceLoaderMaxQueryLength = 2000;
450 unset( $suhosinMaxValueLength );
453 // Ensure the minimum chunk size is less than PHP upload limits or the maximum
455 $wgMinUploadChunkSize = min(
456 $wgMinUploadChunkSize,
457 UploadBase
::getMaxUploadSize( 'file' ),
458 UploadBase
::getMaxPhpUploadSize(),
459 ( wfShorthandToInteger(
460 ini_get( 'post_max_size' ) ?
: ini_get( 'hhvm.server.max_post_size' ),
462 ) ?
: PHP_INT_MAX
) - 1024 // Leave some room for other POST parameters
466 * Definitions of the NS_ constants are in Defines.php
469 $wgCanonicalNamespaceNames = NamespaceInfo
::$canonicalNames;
472 if ( is_array( $wgExtraNamespaces ) ) {
473 $wgCanonicalNamespaceNames +
= $wgExtraNamespaces;
476 // Hard-deprecate setting $wgDummyLanguageCodes in LocalSettings.php
477 if ( count( $wgDummyLanguageCodes ) !== 0 ) {
478 wfDeprecated( '$wgDummyLanguageCodes', '1.29' );
480 // Merge in the legacy language codes, incorporating overrides from the config
481 $wgDummyLanguageCodes +
= [
482 // Internal language codes of the private-use area which get mapped to
484 'qqq' => 'qqq', // Used for message documentation
485 'qqx' => 'qqx', // Used for viewing message keys
486 ] +
$wgExtraLanguageCodes + LanguageCode
::getDeprecatedCodeMapping();
487 // Merge in (inverted) BCP 47 mappings
488 foreach ( LanguageCode
::getNonstandardLanguageCodeMapping() as $code => $bcp47 ) {
489 $bcp47 = strtolower( $bcp47 ); // force case-insensitivity
490 if ( !isset( $wgDummyLanguageCodes[$bcp47] ) ) {
491 $wgDummyLanguageCodes[$bcp47] = $wgDummyLanguageCodes[$code] ??
$code;
495 // These are now the same, always
496 // To determine the user language, use $wgLang->getCode()
497 $wgContLanguageCode = $wgLanguageCode;
499 // Temporary backwards-compatibility reading of old Squid-named CDN settings as of MediaWiki 1.34,
500 // to support sysadmins who fail to update their settings immediately:
502 if ( isset( $wgUseSquid ) ) {
503 // If the sysadmin is still setting a value of $wgUseSquid to true but $wgUseCdn is the default of
504 // false, to be safe, assume they do want this still, so enable it.
505 if ( !$wgUseCdn && $wgUseSquid ) {
506 $wgUseCdn = $wgUseSquid;
507 wfDeprecated( '$wgUseSquid enabled but $wgUseCdn disabled; enabling CDN functions', '1.34' );
510 // Backwards-compatibility for extensions that read this value.
511 $wgUseSquid = $wgUseCdn;
514 if ( isset( $wgSquidServers ) ) {
515 // If the sysadmin is still setting a value of $wgSquidServers but $wgCdnServers is the default of
516 // empty, to be safe, assume they do want these servers to be still used, so use them.
517 if ( !empty( $wgSquidServers ) && empty( $wgCdnServers ) ) {
518 $wgCdnServers = $wgSquidServers;
519 wfDeprecated( '$wgSquidServers set, $wgCdnServers empty; using them', '1.34' );
522 // Backwards-compatibility for extensions that read this value.
523 $wgSquidServers = $wgCdnServers;
526 if ( isset( $wgSquidServersNoPurge ) ) {
527 // If the sysadmin is still setting values in $wgSquidServersNoPurge but $wgCdnServersNoPurge is
528 // the default of empty, to be safe, assume they do want these servers to be still used, so use
530 if ( !empty( $wgSquidServersNoPurge ) && empty( $wgCdnServersNoPurge ) ) {
531 $wgCdnServersNoPurge = $wgSquidServersNoPurge;
532 wfDeprecated( '$wgSquidServersNoPurge set, $wgCdnServersNoPurge empty; using them', '1.34' );
535 // Backwards-compatibility for extensions that read this value.
536 $wgSquidServersNoPurge = $wgCdnServersNoPurge;
539 if ( isset( $wgSquidMaxage ) ) {
540 // If the sysadmin is still setting a value of $wgSquidMaxage and it's higher than $wgCdnMaxAge,
541 // to be safe, assume they want the higher (lower performance requirement) value, so use that.
542 if ( $wgCdnMaxAge < $wgSquidMaxage ) {
543 $wgCdnMaxAge = $wgSquidMaxage;
544 wfDeprecated( '$wgSquidMaxage set higher than $wgCdnMaxAge; using the higher value', '1.34' );
547 // Backwards-compatibility for extensions that read this value.
548 $wgSquidMaxage = $wgCdnMaxAge;
551 // Easy to forget to falsify $wgDebugToolbar for static caches.
552 // If file cache or CDN cache is on, just disable this (DWIMD).
553 if ( $wgUseFileCache ||
$wgUseCdn ) {
554 $wgDebugToolbar = false;
557 // Blacklisted file extensions shouldn't appear on the "allowed" list
558 $wgFileExtensions = array_values( array_diff( $wgFileExtensions, $wgFileBlacklist ) );
560 if ( $wgInvalidateCacheOnLocalSettingsChange ) {
561 Wikimedia\
suppressWarnings();
562 $wgCacheEpoch = max( $wgCacheEpoch, gmdate( 'YmdHis', filemtime( "$IP/LocalSettings.php" ) ) );
563 Wikimedia\restoreWarnings
();
566 if ( $wgNewUserLog ) {
567 // Add new user log type
568 $wgLogTypes[] = 'newusers';
569 $wgLogNames['newusers'] = 'newuserlogpage';
570 $wgLogHeaders['newusers'] = 'newuserlogpagetext';
571 $wgLogActionsHandlers['newusers/newusers'] = NewUsersLogFormatter
::class;
572 $wgLogActionsHandlers['newusers/create'] = NewUsersLogFormatter
::class;
573 $wgLogActionsHandlers['newusers/create2'] = NewUsersLogFormatter
::class;
574 $wgLogActionsHandlers['newusers/byemail'] = NewUsersLogFormatter
::class;
575 $wgLogActionsHandlers['newusers/autocreate'] = NewUsersLogFormatter
::class;
578 if ( $wgPageCreationLog ) {
579 // Add page creation log type
580 $wgLogTypes[] = 'create';
581 $wgLogActionsHandlers['create/create'] = LogFormatter
::class;
584 if ( $wgPageLanguageUseDB ) {
585 $wgLogTypes[] = 'pagelang';
586 $wgLogActionsHandlers['pagelang/pagelang'] = PageLangLogFormatter
::class;
589 if ( $wgCookieSecure === 'detect' ) {
590 $wgCookieSecure = ( WebRequest
::detectProtocol() === 'https' );
593 if ( $wgProfileOnly ) {
594 // Hard deprecated in 1.34.
596 '$wgProfileOnly set the log file in $wgDebugLogGroups[\'profileoutput\'] instead',
599 $wgDebugLogGroups['profileoutput'] = $wgDebugLogFile;
600 $wgDebugLogFile = '';
603 // Backwards compatibility with old password limits
604 if ( $wgMinimalPasswordLength !== false ) {
605 $wgPasswordPolicy['policies']['default']['MinimalPasswordLength'] = $wgMinimalPasswordLength;
608 if ( $wgMaximalPasswordLength !== false ) {
609 $wgPasswordPolicy['policies']['default']['MaximalPasswordLength'] = $wgMaximalPasswordLength;
612 if ( $wgPHPSessionHandling !== 'enable' &&
613 $wgPHPSessionHandling !== 'warn' &&
614 $wgPHPSessionHandling !== 'disable'
616 $wgPHPSessionHandling = 'warn';
618 if ( defined( 'MW_NO_SESSION' ) ) {
619 // If the entry point wants no session, force 'disable' here unless they
620 // specifically set it to the (undocumented) 'warn'.
621 // @phan-suppress-next-line PhanUndeclaredConstant
622 $wgPHPSessionHandling = MW_NO_SESSION
=== 'warn' ?
'warn' : 'disable';
625 // Disable MWDebug for command line mode, this prevents MWDebug from eating up
626 // all the memory from logging SQL queries on maintenance scripts
627 global $wgCommandLineMode;
628 if ( $wgDebugToolbar && !$wgCommandLineMode ) {
632 // Reset the global service locator, so any services that have already been created will be
633 // re-created while taking into account any custom settings and extensions.
634 MediaWikiServices
::resetGlobalInstance( new GlobalVarConfig(), 'quick' );
636 // Define a constant that indicates that the bootstrapping of the service locator
638 define( 'MW_SERVICE_BOOTSTRAP_COMPLETE', 1 );
640 MWExceptionHandler
::installHandler();
642 // T48998: Bail out early if $wgArticlePath is non-absolute
643 foreach ( [ 'wgArticlePath', 'wgVariantArticlePath' ] as $varName ) {
644 if ( $
$varName && !preg_match( '/^(https?:\/\/|\/)/', $
$varName ) ) {
645 throw new FatalError(
646 "If you use a relative URL for \$$varName, it must start " .
647 'with a slash (<code>/</code>).<br><br>See ' .
648 "<a href=\"https://www.mediawiki.org/wiki/Manual:\$$varName\">" .
649 "https://www.mediawiki.org/wiki/Manual:\$$varName</a>."
654 if ( $wgCanonicalServer === false ) {
655 $wgCanonicalServer = wfExpandUrl( $wgServer, PROTO_HTTP
);
659 $serverParts = wfParseUrl( $wgCanonicalServer );
660 if ( $wgServerName !== false ) {
661 wfWarn( '$wgServerName should be derived from $wgCanonicalServer, '
662 . 'not customized. Overwriting $wgServerName.' );
664 $wgServerName = $serverParts['host'];
665 unset( $serverParts );
667 // Set defaults for configuration variables
668 // that are derived from the server name by default
669 // Note: $wgEmergencyContact and $wgPasswordSender may be false or empty string (T104142)
670 if ( !$wgEmergencyContact ) {
671 $wgEmergencyContact = 'wikiadmin@' . $wgServerName;
673 if ( !$wgPasswordSender ) {
674 $wgPasswordSender = 'apache@' . $wgServerName;
676 if ( !$wgNoReplyAddress ) {
677 $wgNoReplyAddress = $wgPasswordSender;
680 if ( $wgSecureLogin && substr( $wgServer, 0, 2 ) !== '//' ) {
681 $wgSecureLogin = false;
682 wfWarn( 'Secure login was enabled on a server that only supports '
683 . 'HTTP or HTTPS. Disabling secure login.' );
686 $wgVirtualRestConfig['global']['domain'] = $wgCanonicalServer;
688 // Now that GlobalFunctions is loaded, set defaults that depend on it.
689 if ( $wgTmpDirectory === false ) {
690 $wgTmpDirectory = wfTempDir();
693 // We don't use counters anymore. Left here for extensions still
694 // expecting this to exist. Should be removed sometime 1.26 or later.
695 if ( !isset( $wgDisableCounters ) ) {
696 $wgDisableCounters = true;
699 if ( $wgMainWANCache === false ) {
700 // Setup a WAN cache from $wgMainCacheType with no relayer.
701 // Sites using multiple datacenters can configure a relayer.
702 $wgMainWANCache = 'mediawiki-main-default';
703 $wgWANObjectCaches[$wgMainWANCache] = [
704 'class' => WANObjectCache
::class,
705 'cacheId' => $wgMainCacheType
709 if ( $wgSharedDB && $wgSharedTables ) {
710 // Apply $wgSharedDB table aliases for the local LB (all non-foreign DB connections)
711 MediaWikiServices
::getInstance()->getDBLoadBalancer()->setTableAliases(
715 'dbname' => $wgSharedDB,
716 'schema' => $wgSharedSchema,
717 'prefix' => $wgSharedPrefix
723 // Raise the memory limit if it's too low
724 // Note, this makes use of wfDebug, and thus should not be before
725 // MWDebug::init() is called.
726 wfMemoryLimit( $wgMemoryLimit );
729 * Set up the timezone, suppressing the pseudo-security warning in PHP 5.1+
730 * that happens whenever you use a date function without the timezone being
731 * explicitly set. Inspired by phpMyAdmin's treatment of the problem.
733 if ( is_null( $wgLocaltimezone ) ) {
734 Wikimedia\
suppressWarnings();
735 $wgLocaltimezone = date_default_timezone_get();
736 Wikimedia\restoreWarnings
();
739 date_default_timezone_set( $wgLocaltimezone );
740 if ( is_null( $wgLocalTZoffset ) ) {
741 $wgLocalTZoffset = date( 'Z' ) / 60;
743 // The part after the System| is ignored, but rest of MW fills it
744 // out as the local offset.
745 $wgDefaultUserOptions['timecorrection'] = "System|$wgLocalTZoffset";
747 if ( !$wgDBerrorLogTZ ) {
748 $wgDBerrorLogTZ = $wgLocaltimezone;
751 // Initialize the request object in $wgRequest
752 $wgRequest = RequestContext
::getMain()->getRequest(); // BackCompat
753 // Set user IP/agent information for agent session consistency purposes
754 $cpPosInfo = LBFactory
::getCPInfoFromCookieValue(
755 // The cookie has no prefix and is set by MediaWiki::preOutputCommit()
756 $wgRequest->getCookie( 'cpPosIndex', '' ),
757 // Mitigate broken client-side cookie expiration handling (T190082)
758 time() - ChronologyProtector
::POSITION_COOKIE_TTL
760 MediaWikiServices
::getInstance()->getDBLoadBalancerFactory()->setRequestInfo( [
761 'IPAddress' => $wgRequest->getIP(),
762 'UserAgent' => $wgRequest->getHeader( 'User-Agent' ),
763 'ChronologyProtection' => $wgRequest->getHeader( 'MediaWiki-Chronology-Protection' ),
764 'ChronologyPositionIndex' => $wgRequest->getInt( 'cpPosIndex', $cpPosInfo['index'] ),
765 'ChronologyClientId' => $cpPosInfo['clientId']
766 ??
$wgRequest->getHeader( 'MediaWiki-Chronology-Client-Id' )
769 // Make sure that object caching does not undermine the ChronologyProtector improvements
770 if ( $wgRequest->getCookie( 'UseDC', '' ) === 'master' ) {
771 // The user is pinned to the primary DC, meaning that they made recent changes which should
772 // be reflected in their subsequent web requests. Avoid the use of interim cache keys because
773 // they use a blind TTL and could be stale if an object changes twice in a short time span.
774 MediaWikiServices
::getInstance()->getMainWANObjectCache()->useInterimHoldOffCaching( false );
777 // Useful debug output
778 if ( $wgCommandLineMode ) {
779 if ( isset( $self ) ) {
780 wfDebug( "\n\nStart command line script $self\n" );
783 $debug = "\n\nStart request {$wgRequest->getMethod()} {$wgRequest->getRequestURL()}\n";
784 $debug .= "HTTP HEADERS:\n";
785 foreach ( $wgRequest->getAllHeaders() as $name => $value ) {
786 $debug .= "$name: $value\n";
791 $wgMemc = ObjectCache
::getLocalClusterInstance();
792 $messageMemc = wfGetMessageCacheStorage();
794 // Most of the config is out, some might want to run hooks here.
795 Hooks
::run( 'SetupAfterCache' );
798 * @var Language $wgContLang
799 * @deprecated since 1.32, use the ContentLanguage service directly
801 $wgContLang = MediaWikiServices
::getInstance()->getContentLanguage();
803 // Now that variant lists may be available...
804 $wgRequest->interpolateTitle();
807 * @var MediaWiki\Session\SessionId|null $wgInitialSessionId The persistent
808 * session ID (if any) loaded at startup
810 $wgInitialSessionId = null;
811 if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
812 // If session.auto_start is there, we can't touch session name
813 if ( $wgPHPSessionHandling !== 'disable' && !wfIniGetBool( 'session.auto_start' ) ) {
814 session_name( $wgSessionName ?
: $wgCookiePrefix . '_session' );
817 // Create the SessionManager singleton and set up our session handler,
818 // unless we're specifically asked not to.
819 if ( !defined( 'MW_NO_SESSION_HANDLER' ) ) {
820 MediaWiki\Session\PHPSessionHandler
::install(
821 MediaWiki\Session\SessionManager
::singleton()
825 // Initialize the session
827 $session = MediaWiki\Session\SessionManager
::getGlobalSession();
828 } catch ( OverflowException
$ex ) {
829 if ( isset( $ex->sessionInfos
) && count( $ex->sessionInfos
) >= 2 ) {
830 // The exception is because the request had multiple possible
831 // sessions tied for top priority. Report this to the user.
833 foreach ( $ex->sessionInfos
as $info ) {
834 $list[] = $info->getProvider()->describe( $wgContLang );
836 $list = $wgContLang->listToText( $list );
837 throw new HttpError( 400,
838 Message
::newFromKey( 'sessionmanager-tie', $list )->inLanguage( $wgContLang )->plain()
842 // Not the one we want, rethrow
846 if ( $session->isPersistent() ) {
847 $wgInitialSessionId = $session->getSessionId();
851 if ( MediaWiki\Session\PHPSessionHandler
::isEnabled() &&
852 ( $session->isPersistent() ||
$session->shouldRememberUser() ) &&
853 session_id() !== $session->getId()
855 // Start the PHP-session for backwards compatibility
856 if ( session_id() !== '' ) {
857 wfDebugLog( 'session', 'PHP session {old_id} was already started, changing to {new_id}', 'all', [
858 'old_id' => session_id(),
859 'new_id' => $session->getId(),
861 session_write_close();
863 session_id( $session->getId() );
869 // Even if we didn't set up a global Session, still install our session
870 // handler unless specifically requested not to.
871 if ( !defined( 'MW_NO_SESSION_HANDLER' ) ) {
872 MediaWiki\Session\PHPSessionHandler
::install(
873 MediaWiki\Session\SessionManager
::singleton()
881 $wgUser = RequestContext
::getMain()->getUser(); // BackCompat
884 * @var Language $wgLang
886 $wgLang = new StubUserLang
;
889 * @var OutputPage $wgOut
891 $wgOut = RequestContext
::getMain()->getOutput(); // BackCompat
894 * @var Parser $wgParser
895 * @deprecated since 1.32, use MediaWikiServices::getInstance()->getParser() instead
897 $wgParser = new StubObject( 'wgParser', function () {
898 return MediaWikiServices
::getInstance()->getParser();
902 * @var Title $wgTitle
906 // Extension setup functions
907 // Entries should be added to this variable during the inclusion
908 // of the extension file. This allows the extension to perform
909 // any necessary initialisation in the fully initialised environment
910 foreach ( $wgExtensionFunctions as $func ) {
911 call_user_func( $func );
914 // If the session user has a 0 id but a valid name, that means we need to
916 if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
917 $sessionUser = MediaWiki\Session\SessionManager
::getGlobalSession()->getUser();
918 if ( $sessionUser->getId() === 0 && User
::isValidUserName( $sessionUser->getName() ) ) {
919 $res = MediaWiki\Auth\AuthManager
::singleton()->autoCreateUser(
921 MediaWiki\Auth\AuthManager
::AUTOCREATE_SOURCE_SESSION
,
924 \MediaWiki\Logger\LoggerFactory
::getInstance( 'authevents' )->info( 'Autocreation attempt', [
925 'event' => 'autocreate',
930 unset( $sessionUser );
933 if ( !$wgCommandLineMode ) {
934 Pingback
::schedulePingback();
937 $wgFullyInitialised = true;