path: root/includes/Setup.php

<?php
/**
 * Include most things that are needed to make %MediaWiki work.
 *
 * This file is included by WebStart.php and doMaintenance.php so that both
 * web and maintenance scripts share a final set up phase to include necessary
 * files and create global object variables.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 * @file
 */

/**
 * This file is not a valid entry point, perform no further processing unless
 * MEDIAWIKI is defined
 */
if ( !defined( 'MEDIAWIKI' ) ) {
	exit( 1 );
}

$fname = 'Setup.php';
$ps_setup = Profiler::instance()->scopedProfileIn( $fname );

// If any extensions are still queued, force load them
ExtensionRegistry::getInstance()->loadFromQueue();

// Check to see if we are at the file scope
if ( !isset( $wgVersion ) ) {
	echo "Error, Setup.php must be included from the file scope, after DefaultSettings.php\n";
	die( 1 );
}

// Set various default paths sensibly...
$ps_default = Profiler::instance()->scopedProfileIn( $fname . '-defaults' );

if ( $wgScript === false ) {
	$wgScript = "$wgScriptPath/index$wgScriptExtension";
}
if ( $wgLoadScript === false ) {
	$wgLoadScript = "$wgScriptPath/load$wgScriptExtension";
}

if ( $wgArticlePath === false ) {
	if ( $wgUsePathInfo ) {
		$wgArticlePath = "$wgScript/$1";
	} else {
		$wgArticlePath = "$wgScript?title=$1";
	}
}

if ( !empty( $wgActionPaths ) && !isset( $wgActionPaths['view'] ) ) {
	// 'view' is assumed the default action path everywhere in the code
	// but is rarely filled in $wgActionPaths
	$wgActionPaths['view'] = $wgArticlePath;
}

if ( $wgResourceBasePath === null ) {
	$wgResourceBasePath = $wgScriptPath;
}
if ( $wgStylePath === false ) {
	$wgStylePath = "$wgResourceBasePath/skins";
}
if ( $wgLocalStylePath === false ) {
	// Avoid wgResourceBasePath here since that may point to a different domain (e.g. CDN)
	$wgLocalStylePath = "$wgScriptPath/skins";
}
if ( $wgExtensionAssetsPath === false ) {
	$wgExtensionAssetsPath = "$wgResourceBasePath/extensions";
}

if ( $wgLogo === false ) {
	$wgLogo = "$wgResourceBasePath/resources/assets/wiki.png";
}

if ( $wgUploadPath === false ) {
	$wgUploadPath = "$wgScriptPath/images";
}
if ( $wgUploadDirectory === false ) {
	$wgUploadDirectory = "$IP/images";
}
if ( $wgReadOnlyFile === false ) {
	$wgReadOnlyFile = "{$wgUploadDirectory}/lock_yBgMBwiR";
}
if ( $wgFileCacheDirectory === false ) {
	$wgFileCacheDirectory = "{$wgUploadDirectory}/cache";
}
if ( $wgDeletedDirectory === false ) {
	$wgDeletedDirectory = "{$wgUploadDirectory}/deleted";
}

if ( $wgGitInfoCacheDirectory === false && $wgCacheDirectory !== false ) {
	$wgGitInfoCacheDirectory = "{$wgCacheDirectory}/gitinfo";
}

if ( $wgEnableParserCache === false ) {
	$wgParserCacheType = CACHE_NONE;
}

// Fix path to icon images after they were moved in 1.24
if ( $wgRightsIcon ) {
	$wgRightsIcon = str_replace(
		"{$wgStylePath}/common/images/",
		"{$wgResourceBasePath}/resources/assets/licenses/",
		$wgRightsIcon
	);
}

if ( isset( $wgFooterIcons['copyright'] )
	&& isset( $wgFooterIcons['copyright']['copyright'] )
	&& $wgFooterIcons['copyright']['copyright'] === array()
) {
	if ( $wgCopyrightIcon ) {
		$wgFooterIcons['copyright']['copyright'] = $wgCopyrightIcon;
	} elseif ( $wgRightsIcon || $wgRightsText ) {
		$wgFooterIcons['copyright']['copyright'] = array(
			'url' => $wgRightsUrl,
			'src' => $wgRightsIcon,
			'alt' => $wgRightsText,
		);
	} else {
		unset( $wgFooterIcons['copyright']['copyright'] );
	}
}

if ( isset( $wgFooterIcons['poweredby'] )
	&& isset( $wgFooterIcons['poweredby']['mediawiki'] )
	&& $wgFooterIcons['poweredby']['mediawiki']['src'] === null
) {
	$wgFooterIcons['poweredby']['mediawiki']['src'] =
		"$wgResourceBasePath/resources/assets/poweredby_mediawiki_88x31.png";
	$wgFooterIcons['poweredby']['mediawiki']['srcset'] =
		"$wgResourceBasePath/resources/assets/poweredby_mediawiki_132x47.png 1.5x, " .
		"$wgResourceBasePath/resources/assets/poweredby_mediawiki_176x62.png 2x";
}

/**
 * Unconditional protection for NS_MEDIAWIKI since otherwise it's too easy for a
 * sysadmin to set $wgNamespaceProtection incorrectly and leave the wiki insecure.
 *
 * Note that this is the definition of editinterface and it can be granted to
 * all users if desired.
 */
$wgNamespaceProtection[NS_MEDIAWIKI] = 'editinterface';

/**
 * The canonical names of namespaces 6 and 7 are, as of v1.14, "File"
 * and "File_talk".  The old names "Image" and "Image_talk" are
 * retained as aliases for backwards compatibility.
 */
$wgNamespaceAliases['Image'] = NS_FILE;
$wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;

/**
 * Initialise $wgLockManagers to include basic FS version
 */
$wgLockManagers[] = array(
	'name' => 'fsLockManager',
	'class' => 'FSLockManager',
	'lockDirectory' => "{$wgUploadDirectory}/lockdir",
);
$wgLockManagers[] = array(
	'name' => 'nullLockManager',
	'class' => 'NullLockManager',
);

/**
 * Initialise $wgLocalFileRepo from backwards-compatible settings
 */
if ( !$wgLocalFileRepo ) {
	$wgLocalFileRepo = array(
		'class' => 'LocalRepo',
		'name' => 'local',
		'directory' => $wgUploadDirectory,
		'scriptDirUrl' => $wgScriptPath,
		'scriptExtension' => $wgScriptExtension,
		'url' => $wgUploadBaseUrl ? $wgUploadBaseUrl . $wgUploadPath : $wgUploadPath,
		'hashLevels' => $wgHashedUploadDirectory ? 2 : 0,
		'thumbScriptUrl' => $wgThumbnailScriptPath,
		'transformVia404' => !$wgGenerateThumbnailOnParse,
		'deletedDir' => $wgDeletedDirectory,
		'deletedHashLevels' => $wgHashedUploadDirectory ? 3 : 0
	);
}
/**
 * Initialise shared repo from backwards-compatible settings
 */
if ( $wgUseSharedUploads ) {
	if ( $wgSharedUploadDBname ) {
		$wgForeignFileRepos[] = array(
			'class' => 'ForeignDBRepo',
			'name' => 'shared',
			'directory' => $wgSharedUploadDirectory,
			'url' => $wgSharedUploadPath,
			'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
			'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
			'transformVia404' => !$wgGenerateThumbnailOnParse,
			'dbType' => $wgDBtype,
			'dbServer' => $wgDBserver,
			'dbUser' => $wgDBuser,
			'dbPassword' => $wgDBpassword,
			'dbName' => $wgSharedUploadDBname,
			'dbFlags' => ( $wgDebugDumpSql ? DBO_DEBUG : 0 ) | DBO_DEFAULT,
			'tablePrefix' => $wgSharedUploadDBprefix,
			'hasSharedCache' => $wgCacheSharedUploads,
			'descBaseUrl' => $wgRepositoryBaseUrl,
			'fetchDescription' => $wgFetchCommonsDescriptions,
		);
	} else {
		$wgForeignFileRepos[] = array(
			'class' => 'FileRepo',
			'name' => 'shared',
			'directory' => $wgSharedUploadDirectory,
			'url' => $wgSharedUploadPath,
			'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
			'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
			'transformVia404' => !$wgGenerateThumbnailOnParse,
			'descBaseUrl' => $wgRepositoryBaseUrl,
			'fetchDescription' => $wgFetchCommonsDescriptions,
		);
	}
}
if ( $wgUseInstantCommons ) {
	$wgForeignFileRepos[] = array(
		'class' => 'ForeignAPIRepo',
		'name' => 'wikimediacommons',
		'apibase' => 'https://commons.wikimedia.org/w/api.php',
		'hashLevels' => 2,
		'fetchDescription' => true,
		'descriptionCacheExpiry' => 43200,
		'apiThumbCacheExpiry' => 86400,
	);
}
/*
 * Add on default file backend config for file repos.
 * FileBackendGroup will handle initializing the backends.
 */
if ( !isset( $wgLocalFileRepo['backend'] ) ) {
	$wgLocalFileRepo['backend'] = $wgLocalFileRepo['name'] . '-backend';
}
foreach ( $wgForeignFileRepos as &$repo ) {
	if ( !isset( $repo['directory'] ) && $repo['class'] === 'ForeignAPIRepo' ) {
		$repo['directory'] = $wgUploadDirectory; // b/c
	}
	if ( !isset( $repo['backend'] ) ) {
		$repo['backend'] = $repo['name'] . '-backend';
	}
}
unset( $repo ); // no global pollution; destroy reference

if ( $wgRCFilterByAge ) {
	// Trim down $wgRCLinkDays so that it only lists links which are valid
	// as determined by $wgRCMaxAge.
	// Note that we allow 1 link higher than the max for things like 56 days but a 60 day link.
	sort( $wgRCLinkDays );

	// @codingStandardsIgnoreStart Generic.CodeAnalysis.ForLoopWithTestFunctionCall.NotAllowed
	for ( $i = 0; $i < count( $wgRCLinkDays ); $i++ ) {
		// @codingStandardsIgnoreEnd
		if ( $wgRCLinkDays[$i] >= $wgRCMaxAge / ( 3600 * 24 ) ) {
			$wgRCLinkDays = array_slice( $wgRCLinkDays, 0, $i + 1, false );
			break;
		}
	}
}

if ( $wgSkipSkin ) {
	$wgSkipSkins[] = $wgSkipSkin;
}

// Register skins
// Use a closure to avoid leaking into global state
call_user_func( function () use ( $wgValidSkinNames ) {
	$factory = SkinFactory::getDefaultInstance();
	foreach ( $wgValidSkinNames as $name => $skin ) {
		$factory->register( $name, $skin, function () use ( $name, $skin ) {
			$class = "Skin$skin";
			return new $class( $name );
		} );
	}
	// Register a hidden "fallback" skin
	$factory->register( 'fallback', 'Fallback', function () {
		return new SkinFallback;
	} );
	// Register a hidden skin for api output
	$factory->register( 'apioutput', 'ApiOutput', function () {
		return new SkinApi;
	} );
} );
$wgSkipSkins[] = 'fallback';
$wgSkipSkins[] = 'apioutput';

if ( $wgLocalInterwiki ) {
	array_unshift( $wgLocalInterwikis, $wgLocalInterwiki );
}

// Set default shared prefix
if ( $wgSharedPrefix === false ) {
	$wgSharedPrefix = $wgDBprefix;
}

// Set default shared schema
if ( $wgSharedSchema === false ) {
	$wgSharedSchema = $wgDBmwschema;
}

if ( !$wgCookiePrefix ) {
	if ( $wgSharedDB && $wgSharedPrefix && in_array( 'user', $wgSharedTables ) ) {
		$wgCookiePrefix = $wgSharedDB . '_' . $wgSharedPrefix;
	} elseif ( $wgSharedDB && in_array( 'user', $wgSharedTables ) ) {
		$wgCookiePrefix = $wgSharedDB;
	} elseif ( $wgDBprefix ) {
		$wgCookiePrefix = $wgDBname . '_' . $wgDBprefix;
	} else {
		$wgCookiePrefix = $wgDBname;
	}
}
$wgCookiePrefix = strtr( $wgCookiePrefix, '=,; +."\'\\[', '__________' );

if ( $wgEnableEmail ) {
	$wgUseEnotif = $wgEnotifUserTalk || $wgEnotifWatchlist;
} else {
	// Disable all other email settings automatically if $wgEnableEmail
	// is set to false. - bug 63678
	$wgAllowHTMLEmail = false;
	$wgEmailAuthentication = false; // do not require auth if you're not sending email anyway
	$wgEnableUserEmail = false;
	$wgEnotifFromEditor = false;
	$wgEnotifImpersonal = false;
	$wgEnotifMaxRecips = 0;
	$wgEnotifMinorEdits = false;
	$wgEnotifRevealEditorAddress = false;
	$wgEnotifUseJobQ = false;
	$wgEnotifUseRealName = false;
	$wgEnotifUserTalk = false;
	$wgEnotifWatchlist = false;
	unset( $wgGroupPermissions['user']['sendemail'] );
	$wgUseEnotif = false;
	$wgUserEmailUseReplyTo = false;
	$wgUsersNotifiedOnAllChanges = array();
}

// Doesn't make sense to have if disabled.
if ( !$wgEnotifMinorEdits ) {
	$wgHiddenPrefs[] = 'enotifminoredits';
}

if ( $wgMetaNamespace === false ) {
	$wgMetaNamespace = str_replace( ' ', '_', $wgSitename );
}

// Default value is 2000 or the suhosin limit if it is between 1 and 2000
if ( $wgResourceLoaderMaxQueryLength === false ) {
	$suhosinMaxValueLength = (int)ini_get( 'suhosin.get.max_value_length' );
	if ( $suhosinMaxValueLength > 0 && $suhosinMaxValueLength < 2000 ) {
		$wgResourceLoaderMaxQueryLength = $suhosinMaxValueLength;
	} else {
		$wgResourceLoaderMaxQueryLength = 2000;
	}
	unset( $suhosinMaxValueLength );
}

// Ensure the minimum chunk size is less than PHP upload limits or the maximum
// upload size.
$wgMinUploadChunkSize = min(
	$wgMinUploadChunkSize,
	$wgMaxUploadSize,
	wfShorthandToInteger( ini_get( 'upload_max_filesize' ), 1e100 ),
	wfShorthandToInteger( ini_get( 'post_max_size' ), 1e100) - 1024 # Leave room for other parameters
);

/**
 * Definitions of the NS_ constants are in Defines.php
 * @private
 */
$wgCanonicalNamespaceNames = array(
	NS_MEDIA            => 'Media',
	NS_SPECIAL          => 'Special',
	NS_TALK             => 'Talk',
	NS_USER             => 'User',
	NS_USER_TALK        => 'User_talk',
	NS_PROJECT          => 'Project',
	NS_PROJECT_TALK     => 'Project_talk',
	NS_FILE             => 'File',
	NS_FILE_TALK        => 'File_talk',
	NS_MEDIAWIKI        => 'MediaWiki',
	NS_MEDIAWIKI_TALK   => 'MediaWiki_talk',
	NS_TEMPLATE         => 'Template',
	NS_TEMPLATE_TALK    => 'Template_talk',
	NS_HELP             => 'Help',
	NS_HELP_TALK        => 'Help_talk',
	NS_CATEGORY         => 'Category',
	NS_CATEGORY_TALK    => 'Category_talk',
);

/// @todo UGLY UGLY
if ( is_array( $wgExtraNamespaces ) ) {
	$wgCanonicalNamespaceNames = $wgCanonicalNamespaceNames + $wgExtraNamespaces;
}

// These are now the same, always
// To determine the user language, use $wgLang->getCode()
$wgContLanguageCode = $wgLanguageCode;

// Easy to forget to falsify $wgShowIPinHeader for static caches.
// If file cache or squid cache is on, just disable this (DWIMD).
// Do the same for $wgDebugToolbar.
if ( $wgUseFileCache || $wgUseSquid ) {
	$wgShowIPinHeader = false;
	$wgDebugToolbar = false;
}

// We always output HTML5 since 1.22, overriding these is no longer supported
// we set them here for extensions that depend on its value.
$wgHtml5 = true;
$wgXhtmlDefaultNamespace = 'http://www.w3.org/1999/xhtml';
$wgJsMimeType = 'text/javascript';

if ( !$wgHtml5Version && $wgAllowRdfaAttributes ) {
	// see http://www.w3.org/TR/rdfa-in-html/#document-conformance
	if ( $wgMimeType == 'application/xhtml+xml' ) {
		$wgHtml5Version = 'XHTML+RDFa 1.0';
	} else {
		$wgHtml5Version = 'HTML+RDFa 1.0';
	}
}

// Blacklisted file extensions shouldn't appear on the "allowed" list
$wgFileExtensions = array_values( array_diff( $wgFileExtensions, $wgFileBlacklist ) );

if ( $wgInvalidateCacheOnLocalSettingsChange ) {
	MediaWiki\suppressWarnings();
	$wgCacheEpoch = max( $wgCacheEpoch, gmdate( 'YmdHis', filemtime( "$IP/LocalSettings.php" ) ) );
	MediaWiki\restoreWarnings();
}

if ( $wgNewUserLog ) {
	// Add a new log type
	$wgLogTypes[] = 'newusers';
	$wgLogNames['newusers'] = 'newuserlogpage';
	$wgLogHeaders['newusers'] = 'newuserlogpagetext';
	$wgLogActionsHandlers['newusers/newusers'] = 'NewUsersLogFormatter';
	$wgLogActionsHandlers['newusers/create'] = 'NewUsersLogFormatter';
	$wgLogActionsHandlers['newusers/create2'] = 'NewUsersLogFormatter';
	$wgLogActionsHandlers['newusers/byemail'] = 'NewUsersLogFormatter';
	$wgLogActionsHandlers['newusers/autocreate'] = 'NewUsersLogFormatter';
}

if ( $wgPageLanguageUseDB ) {
	$wgLogTypes[] = 'pagelang';
	$wgLogActionsHandlers['pagelang/pagelang'] = 'PageLangLogFormatter';
}

if ( $wgCookieSecure === 'detect' ) {
	$wgCookieSecure = ( WebRequest::detectProtocol() === 'https' );
}

// Back compatibility for $wgRateLimitLog deprecated with 1.23
if ( $wgRateLimitLog && !array_key_exists( 'ratelimit', $wgDebugLogGroups ) ) {
	$wgDebugLogGroups['ratelimit'] = $wgRateLimitLog;
}

if ( $wgProfileOnly ) {
	$wgDebugLogGroups['profileoutput'] = $wgDebugLogFile;
	$wgDebugLogFile = '';
}

// Backwards compatibility with old password limits
if ( $wgMinimalPasswordLength !== false ) {
	$wgPasswordPolicy['policies']['default']['MinimalPasswordLength'] = $wgMinimalPasswordLength;
}

if ( $wgMaximalPasswordLength !== false ) {
	$wgPasswordPolicy['policies']['default']['MaximalPasswordLength'] = $wgMaximalPasswordLength;
}

// Backwards compatibility with deprecated alias
// Must be before call to wfSetupSession()
if ( $wgSessionsInMemcached ) {
	$wgSessionsInObjectCache = true;
}

Profiler::instance()->scopedProfileOut( $ps_default );

// Disable MWDebug for command line mode, this prevents MWDebug from eating up
// all the memory from logging SQL queries on maintenance scripts
global $wgCommandLineMode;
if ( $wgDebugToolbar && !$wgCommandLineMode ) {
	MWDebug::init();
}

if ( !class_exists( 'AutoLoader' ) ) {
	require_once "$IP/includes/AutoLoader.php";
}

MWExceptionHandler::installHandler();

require_once "$IP/includes/compat/normal/UtfNormalUtil.php";

$ps_default2 = Profiler::instance()->scopedProfileIn( $fname . '-defaults2' );

if ( $wgScriptExtension !== '.php' || defined( 'MW_ENTRY_PHP5' ) ) {
	wfWarn( 'Script extensions other than ".php" are deprecated.' );
}

if ( $wgCanonicalServer === false ) {
	$wgCanonicalServer = wfExpandUrl( $wgServer, PROTO_HTTP );
}

// Set server name
$serverParts = wfParseUrl( $wgCanonicalServer );
if ( $wgServerName !== false ) {
	wfWarn( '$wgServerName should be derived from $wgCanonicalServer, '
		. 'not customized. Overwriting $wgServerName.' );
}
$wgServerName = $serverParts['host'];
unset( $serverParts );

// Set defaults for configuration variables
// that are derived from the server name by default
// Note: $wgEmergencyContact and $wgPasswordSender may be false or empty string (T104142)
if ( !$wgEmergencyContact ) {
	$wgEmergencyContact = 'wikiadmin@' . $wgServerName;
}
if ( !$wgPasswordSender ) {
	$wgPasswordSender = 'apache@' . $wgServerName;
}

if ( $wgSecureLogin && substr( $wgServer, 0, 2 ) !== '//' ) {
	$wgSecureLogin = false;
	wfWarn( 'Secure login was enabled on a server that only supports '
		. 'HTTP or HTTPS. Disabling secure login.' );
}

$wgVirtualRestConfig['global']['domain'] = $wgCanonicalServer;

// Now that GlobalFunctions is loaded, set defaults that depend on it.
if ( $wgTmpDirectory === false ) {
	$wgTmpDirectory = wfTempDir();
}

// We don't use counters anymore. Left here for extensions still
// expecting this to exist. Should be removed sometime 1.26 or later.
if ( !isset( $wgDisableCounters ) ) {
	$wgDisableCounters = true;
}

if ( $wgMainWANCache === false ) {
	// Setup a WAN cache from $wgMainCacheType with no relayer.
	// Sites using multiple datacenters can configure a relayer.
	$wgMainWANCache = 'mediawiki-main-default';
	$wgWANObjectCaches[$wgMainWANCache] = array(
		'class'         => 'WANObjectCache',
		'cacheId'       => $wgMainCacheType,
		'pool'          => 'mediawiki-main-default',
		'relayerConfig' => array( 'class' => 'EventRelayerNull' )
	);
}

Profiler::instance()->scopedProfileOut( $ps_default2 );

$ps_misc = Profiler::instance()->scopedProfileIn( $fname . '-misc1' );

// Raise the memory limit if it's too low
wfMemoryLimit();

/**
 * Set up the timezone, suppressing the pseudo-security warning in PHP 5.1+
 * that happens whenever you use a date function without the timezone being
 * explicitly set. Inspired by phpMyAdmin's treatment of the problem.
 */
if ( is_null( $wgLocaltimezone ) ) {
	MediaWiki\suppressWarnings();
	$wgLocaltimezone = date_default_timezone_get();
	MediaWiki\restoreWarnings();
}

date_default_timezone_set( $wgLocaltimezone );
if ( is_null( $wgLocalTZoffset ) ) {
	$wgLocalTZoffset = date( 'Z' ) / 60;
}

if ( !$wgDBerrorLogTZ ) {
	$wgDBerrorLogTZ = $wgLocaltimezone;
}

// Useful debug output
if ( $wgCommandLineMode ) {
	$wgRequest = new FauxRequest( array() );

	wfDebug( "\n\nStart command line script $self\n" );
} else {
	// Can't stub this one, it sets up $_GET and $_REQUEST in its constructor
	$wgRequest = new WebRequest;

	$debug = "\n\nStart request {$wgRequest->getMethod()} {$wgRequest->getRequestURL()}\n";

	if ( $wgDebugPrintHttpHeaders ) {
		$debug .= "HTTP HEADERS:\n";

		foreach ( $wgRequest->getAllHeaders() as $name => $value ) {
			$debug .= "$name: $value\n";
		}
	}
	wfDebug( $debug );
}

Profiler::instance()->scopedProfileOut( $ps_misc );
$ps_memcached = Profiler::instance()->scopedProfileIn( $fname . '-memcached' );

$wgMemc = wfGetMainCache();
$messageMemc = wfGetMessageCacheStorage();
$parserMemc = wfGetParserCacheStorage();

wfDebugLog( 'caches', 'main: ' . get_class( $wgMemc ) .
	', message: ' . get_class( $messageMemc ) .
	', parser: ' . get_class( $parserMemc ) );

Profiler::instance()->scopedProfileOut( $ps_memcached );

// Most of the config is out, some might want to run hooks here.
Hooks::run( 'SetupAfterCache' );

$ps_session = Profiler::instance()->scopedProfileIn( $fname . '-session' );

if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
	// If session.auto_start is there, we can't touch session name
	if ( !wfIniGetBool( 'session.auto_start' ) ) {
		session_name( $wgSessionName ? $wgSessionName : $wgCookiePrefix . '_session' );
	}

	if ( $wgRequest->checkSessionCookie() || isset( $_COOKIE[$wgCookiePrefix . 'Token'] ) ) {
		wfSetupSession();
	}
}

Profiler::instance()->scopedProfileOut( $ps_session );
$ps_globals = Profiler::instance()->scopedProfileIn( $fname . '-globals' );

/**
 * @var Language $wgContLang
 */
$wgContLang = Language::factory( $wgLanguageCode );
$wgContLang->initEncoding();
$wgContLang->initContLang();

// Now that variant lists may be available...
$wgRequest->interpolateTitle();

/**
 * @var User $wgUser
 */
$wgUser = RequestContext::getMain()->getUser(); // BackCompat

/**
 * @var Language $wgLang
 */
$wgLang = new StubUserLang;

/**
 * @var OutputPage $wgOut
 */
$wgOut = RequestContext::getMain()->getOutput(); // BackCompat

/**
 * @var Parser $wgParser
 */
$wgParser = new StubObject( 'wgParser', $wgParserConf['class'], array( $wgParserConf ) );

if ( !is_object( $wgAuth ) ) {
	$wgAuth = new AuthPlugin;
	Hooks::run( 'AuthPluginSetup', array( &$wgAuth ) );
}

/**
 * @var Title $wgTitle
 */
$wgTitle = null;

Profiler::instance()->scopedProfileOut( $ps_globals );
$ps_extensions = Profiler::instance()->scopedProfileIn( $fname . '-extensions' );

// Extension setup functions for extensions other than skins
// Entries should be added to this variable during the inclusion
// of the extension file. This allows the extension to perform
// any necessary initialisation in the fully initialised environment
foreach ( $wgExtensionFunctions as $func ) {
	// Allow closures in PHP 5.3+
	if ( is_object( $func ) && $func instanceof Closure ) {
		$profName = $fname . '-extensions-closure';
	} elseif ( is_array( $func ) ) {
		if ( is_object( $func[0] ) ) {
			$profName = $fname . '-extensions-' . get_class( $func[0] ) . '::' . $func[1];
		} else {
			$profName = $fname . '-extensions-' . implode( '::', $func );
		}
	} else {
		$profName = $fname . '-extensions-' . strval( $func );
	}

	$ps_ext_func = Profiler::instance()->scopedProfileIn( $profName );
	call_user_func( $func );
	Profiler::instance()->scopedProfileOut( $ps_ext_func );
}

wfDebug( "Fully initialised\n" );
$wgFullyInitialised = true;

Profiler::instance()->scopedProfileOut( $ps_extensions );
Profiler::instance()->scopedProfileOut( $ps_setup );