Setup.php

Go to the documentation of this file.

<?php
if ( !defined( 'MEDIAWIKI' ) ) {
        exit( 1 );
}

# The main wiki script and things like database
# conversion and maintenance scripts all share a
# common setup of including lots of classes and
# setting up a few globals.
#

$fname = 'Setup.php';
wfProfileIn( $fname );

// 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...
if ( $wgScript === false ) $wgScript = "$wgScriptPath/index$wgScriptExtension";
if ( $wgRedirectScript === false ) $wgRedirectScript = "$wgScriptPath/redirect$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 ( !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 ( $wgStylePath === false ) $wgStylePath = "$wgScriptPath/skins";
if ( $wgLocalStylePath === false ) $wgLocalStylePath = "$wgScriptPath/skins";
if ( $wgStyleDirectory === false ) $wgStyleDirectory   = "$IP/skins";
if ( $wgExtensionAssetsPath === false ) $wgExtensionAssetsPath = "$wgScriptPath/extensions";

if ( $wgLogo === false ) $wgLogo = "$wgStylePath/common/images/wiki.png";

if ( $wgUploadPath === false ) $wgUploadPath = "$wgScriptPath/images";
if ( $wgUploadDirectory === false ) $wgUploadDirectory = "$IP/images";

if ( $wgTmpDirectory === false ) $wgTmpDirectory = "{$wgUploadDirectory}/tmp";

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

if ( isset( $wgFileStore['deleted']['directory'] ) ) {
        $wgDeletedDirectory = $wgFileStore['deleted']['directory'];
}

if ( isset( $wgFooterIcons['copyright'] ) &&
        isset( $wgFooterIcons['copyright']['copyright'] ) &&
        $wgFooterIcons['copyright']['copyright'] === array() )
{
        if ( isset( $wgCopyrightIcon ) && $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 )
{
        $wgFooterIcons['poweredby']['mediawiki']['src'] = "$wgStylePath/common/images/poweredby_mediawiki_88x31.png";
}

$wgNamespaceProtection[NS_MEDIAWIKI] = 'editinterface';

$wgNamespaceAliases['Image'] = NS_FILE;
$wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;

$wgLockManagers[] = array(
        'name'          => 'fsLockManager',
        'class'         => 'FSLockManager',
        'lockDirectory' => "{$wgUploadDirectory}/lockdir",
);
$wgLockManagers[] = array(
        'name'          => 'nullLockManager',
        'class'         => 'NullLockManager',
);

if ( !$wgLocalFileRepo ) {
        if ( isset( $wgFileStore['deleted']['hash'] ) ) {
                $deletedHashLevel = $wgFileStore['deleted']['hash'];
        } else {
                $deletedHashLevel = $wgHashedUploadDirectory ? 3 : 0;
        }
        $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' => $deletedHashLevel
        );
}
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'                => WebRequest::detectProtocol() === 'https' ?
                        'https://commons.wikimedia.org/w/api.php' :
                        'http://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 ( is_null( $wgEnableAutoRotation ) ) {
        // Only enable auto-rotation when the bitmap handler can rotate
        $wgEnableAutoRotation = BitmapHandler::canRotate();
}

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 );
        for ( $i = 0; $i < count( $wgRCLinkDays ); $i++ ) {
                if ( $wgRCLinkDays[$i] >= $wgRCMaxAge / ( 3600 * 24 ) ) {
                        $wgRCLinkDays = array_slice( $wgRCLinkDays, 0, $i + 1, false );
                        break;
                }
        }
}

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

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

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, '=,; +."\'\\[', '__________' );

$wgUseEnotif = $wgEnotifUserTalk || $wgEnotifWatchlist;

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

$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',
);

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;
}

# $wgAllowRealName and $wgAllowUserSkin were removed in 1.16
# in favor of $wgHiddenPrefs, handle b/c here
if ( !$wgAllowRealName ) {
        $wgHiddenPrefs[] = 'realname';
}

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

# $wgDisabledActions is deprecated as of 1.18
foreach( $wgDisabledActions as $action ){
        $wgActions[$action] = false;
}
if( !$wgAllowPageInfo ){
        $wgActions['info'] = false;
}

if ( !$wgHtml5Version && $wgHtml5 && $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_diff ( $wgFileExtensions, $wgFileBlacklist );

if ( $wgArticleCountMethod === null ) {
        $wgArticleCountMethod = $wgUseCommaCount ? 'comma' : 'link';
}

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

if ( $wgAjaxUploadDestCheck ) {
        $wgAjaxExportList[] = 'SpecialUpload::ajaxGetExistsWarning';
}

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

if ( $wgCookieSecure === 'detect' ) {
        $wgCookieSecure = ( substr( $wgServer, 0, 6 ) === 'https:' );
}

// 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 ( !defined( 'MW_COMPILED' ) ) {
        if ( !MWInit::classExists( 'AutoLoader' ) ) {
                require_once( "$IP/includes/AutoLoader.php" );
        }

        wfProfileIn( $fname . '-exception' );
        MWExceptionHandler::installHandler();
        wfProfileOut( $fname . '-exception' );

        wfProfileIn( $fname . '-includes' );
        require_once( "$IP/includes/normal/UtfNormalUtil.php" );
        require_once( "$IP/includes/GlobalFunctions.php" );
        require_once( "$IP/includes/ProxyTools.php" );
        require_once( "$IP/includes/ImageFunctions.php" );
        require_once( "$IP/includes/normal/UtfNormalDefines.php" );
        wfProfileOut( $fname . '-includes' );
}

# Now that GlobalFunctions is loaded, set the default for $wgCanonicalServer
if ( $wgCanonicalServer === false ) {
        $wgCanonicalServer = wfExpandUrl( $wgServer, PROTO_HTTP );
}

wfProfileIn( $fname . '-misc1' );

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

if ( is_null( $wgLocaltimezone) ) {
        wfSuppressWarnings();
        $wgLocaltimezone = date_default_timezone_get();
        wfRestoreWarnings();
}

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

# 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;

        $debug = "Start request\n\n{$_SERVER['REQUEST_METHOD']} {$wgRequest->getRequestURL()}";

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

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

wfProfileOut( $fname . '-misc1' );
wfProfileIn( $fname . '-memcached' );

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

wfDebug( 'CACHES: ' . get_class( $wgMemc ) . '[main] ' .
        get_class( $messageMemc ) . '[message] ' .
        get_class( $parserMemc ) . "[parser]\n" );

wfProfileOut( $fname . '-memcached' );

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

wfProfileIn( $fname . '-session' );

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

if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
        if ( $wgRequest->checkSessionCookie() || isset( $_COOKIE[$wgCookiePrefix . 'Token'] ) ) {
                wfIncrStats( 'request_with_session' );
                wfSetupSession();
                $wgSessionStarted = true;
        } else {
                wfIncrStats( 'request_without_session' );
                $wgSessionStarted = false;
        }
}

wfProfileOut( $fname . '-session' );
wfProfileIn( $fname . '-globals' );

$wgContLang = Language::factory( $wgLanguageCode );
$wgContLang->initEncoding();
$wgContLang->initContLang();

// Now that variant lists may be available...
$wgRequest->interpolateTitle();
$wgUser = RequestContext::getMain()->getUser(); # BackCompat

$wgLang = new StubUserLang;

$wgOut = RequestContext::getMain()->getOutput(); # BackCompat

$wgParser = new StubObject( 'wgParser', $wgParserConf['class'], array( $wgParserConf ) );

if ( !is_object( $wgAuth ) ) {
        $wgAuth = new StubObject( 'wgAuth', 'AuthPlugin' );
        wfRunHooks( 'AuthPluginSetup', array( &$wgAuth ) );
}

# Placeholders in case of DB error
$wgTitle = null;

$wgDeferredUpdateList = array();

wfProfileOut( $fname . '-globals' );
wfProfileIn( $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 );
        }

        wfProfileIn( $profName );
        call_user_func( $func );
        wfProfileOut( $profName );
}

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

wfProfileOut( $fname . '-extensions' );
wfProfileOut( $fname );