includes/Setup.php

   1 <?php
   2 /**
   3  * Include most things that's need to customize the site
   4  *
   5  * @file
   6  */
   7
   8 /**
   9  * This file is not a valid entry point, perform no further processing unless
  10  * MEDIAWIKI is defined
  11  */
  12 if ( !defined( 'MEDIAWIKI' ) ) {
  13         exit( 1 );
  14 }
  15
  16 # The main wiki script and things like database
  17 # conversion and maintenance scripts all share a
  18 # common setup of including lots of classes and
  19 # setting up a few globals.
  20 #
  21
  22 $fname = 'Setup.php';
  23 wfProfileIn( $fname );
  24
  25 // Check to see if we are at the file scope
  26 // FIXME: use a different test here, maybe a constant defined at the top of DefaultSettings.php?
  27 if ( !isset( $wgVersion ) ) {
  28         echo "Error, Setup.php must be included from the file scope, after DefaultSettings.php\n";
  29         die( 1 );
  30 }
  31
  32 // Set various default paths sensibly...
  33 if ( $wgScript === false ) $wgScript = "$wgScriptPath/index$wgScriptExtension";
  34 if ( $wgRedirectScript === false ) $wgRedirectScript = "$wgScriptPath/redirect$wgScriptExtension";
  35 if ( $wgLoadScript === false ) $wgLoadScript = "$wgScriptPath/load$wgScriptExtension";
  36
  37 if ( $wgArticlePath === false ) {
  38         if ( $wgUsePathInfo ) {
  39                 $wgArticlePath      = "$wgScript/$1";
  40         } else {
  41                 $wgArticlePath      = "$wgScript?title=$1";
  42         }
  43 }
  44
  45 if ( !empty($wgActionPaths) && !isset($wgActionPaths['view']) ) {
  46         # 'view' is assumed the default action path everywhere in the code
  47         # but is rarely filled in $wgActionPaths
  48         $wgActionPaths['view'] = $wgArticlePath ;
  49 }
  50
  51 if ( $wgStylePath === false ) $wgStylePath = "$wgScriptPath/skins";
  52 if ( $wgLocalStylePath === false ) $wgLocalStylePath = "$wgScriptPath/skins";
  53 if ( $wgStyleDirectory === false ) $wgStyleDirectory   = "$IP/skins";
  54 if ( $wgExtensionAssetsPath === false ) $wgExtensionAssetsPath = "$wgScriptPath/extensions";
  55
  56 if ( $wgLogo === false ) $wgLogo = "$wgStylePath/common/images/wiki.png";
  57
  58 if ( $wgUploadPath === false ) $wgUploadPath = "$wgScriptPath/images";
  59 if ( $wgUploadDirectory === false ) $wgUploadDirectory = "$IP/images";
  60
  61 if ( $wgTmpDirectory === false ) $wgTmpDirectory = "{$wgUploadDirectory}/tmp";
  62
  63 if ( $wgReadOnlyFile === false ) $wgReadOnlyFile = "{$wgUploadDirectory}/lock_yBgMBwiR";
  64 if ( $wgFileCacheDirectory === false ) $wgFileCacheDirectory = "{$wgUploadDirectory}/cache";
  65 if ( $wgDeletedDirectory === false ) $wgDeletedDirectory = "{$wgUploadDirectory}/deleted";
  66
  67 if ( isset( $wgFileStore['deleted']['directory'] ) ) {
  68         $wgDeletedDirectory = $wgFileStore['deleted']['directory'];
  69 }
  70
  71 if ( isset( $wgFooterIcons['copyright'] ) &&
  72         isset( $wgFooterIcons['copyright']['copyright'] ) &&
  73         $wgFooterIcons['copyright']['copyright'] === array() )
  74 {
  75         if ( isset( $wgCopyrightIcon ) && $wgCopyrightIcon ) {
  76                 $wgFooterIcons['copyright']['copyright'] = $wgCopyrightIcon;
  77         } elseif ( $wgRightsIcon || $wgRightsText ) {
  78                 $wgFooterIcons['copyright']['copyright'] = array(
  79                         'url' => $wgRightsUrl,
  80                         'src' => $wgRightsIcon,
  81                         'alt' => $wgRightsText,
  82                 );
  83         } else {
  84                 unset( $wgFooterIcons['copyright']['copyright'] );
  85         }
  86 }
  87
  88 if ( isset( $wgFooterIcons['poweredby'] ) &&
  89         isset( $wgFooterIcons['poweredby']['mediawiki'] ) &&
  90         $wgFooterIcons['poweredby']['mediawiki']['src'] === null )
  91 {
  92         $wgFooterIcons['poweredby']['mediawiki']['src'] = "$wgStylePath/common/images/poweredby_mediawiki_88x31.png";
  93 }
  94
  95 /**
  96  * Unconditional protection for NS_MEDIAWIKI since otherwise it's too easy for a
  97  * sysadmin to set $wgNamespaceProtection incorrectly and leave the wiki insecure.
  98  *
  99  * Note that this is the definition of editinterface and it can be granted to
 100  * all users if desired.
 101  */
 102 $wgNamespaceProtection[NS_MEDIAWIKI] = 'editinterface';
 103
 104 /**
 105  * The canonical names of namespaces 6 and 7 are, as of v1.14, "File"
 106  * and "File_talk".  The old names "Image" and "Image_talk" are
 107  * retained as aliases for backwards compatibility.
 108  */
 109 $wgNamespaceAliases['Image'] = NS_FILE;
 110 $wgNamespaceAliases['Image_talk'] = NS_FILE_TALK;
 111
 112 /**
 113  * Initialise $wgLocalFileRepo from backwards-compatible settings
 114  */
 115 if ( !$wgLocalFileRepo ) {
 116         if ( isset( $wgFileStore['deleted']['hash'] ) ) {
 117                 $deletedHashLevel = $wgFileStore['deleted']['hash'];
 118         } else {
 119                 $deletedHashLevel = $wgHashedUploadDirectory ? 3 : 0;
 120         }
 121         $wgLocalFileRepo = array(
 122                 'class' => 'LocalRepo',
 123                 'name' => 'local',
 124                 'directory' => $wgUploadDirectory,
 125                 'scriptDirUrl' => $wgScriptPath,
 126                 'scriptExtension' => $wgScriptExtension,
 127                 'url' => $wgUploadBaseUrl ? $wgUploadBaseUrl . $wgUploadPath : $wgUploadPath,
 128                 'hashLevels' => $wgHashedUploadDirectory ? 2 : 0,
 129                 'thumbScriptUrl' => $wgThumbnailScriptPath,
 130                 'transformVia404' => !$wgGenerateThumbnailOnParse,
 131                 'deletedDir' => $wgDeletedDirectory,
 132                 'deletedHashLevels' => $deletedHashLevel
 133         );
 134 }
 135 /**
 136  * Initialise shared repo from backwards-compatible settings
 137  */
 138 if ( $wgUseSharedUploads ) {
 139         if ( $wgSharedUploadDBname ) {
 140                 $wgForeignFileRepos[] = array(
 141                         'class' => 'ForeignDBRepo',
 142                         'name' => 'shared',
 143                         'directory' => $wgSharedUploadDirectory,
 144                         'url' => $wgSharedUploadPath,
 145                         'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
 146                         'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
 147                         'transformVia404' => !$wgGenerateThumbnailOnParse,
 148                         'dbType' => $wgDBtype,
 149                         'dbServer' => $wgDBserver,
 150                         'dbUser' => $wgDBuser,
 151                         'dbPassword' => $wgDBpassword,
 152                         'dbName' => $wgSharedUploadDBname,
 153                         'dbFlags' => ( $wgDebugDumpSql ? DBO_DEBUG : 0 ) | DBO_DEFAULT,
 154                         'tablePrefix' => $wgSharedUploadDBprefix,
 155                         'hasSharedCache' => $wgCacheSharedUploads,
 156                         'descBaseUrl' => $wgRepositoryBaseUrl,
 157                         'fetchDescription' => $wgFetchCommonsDescriptions,
 158                 );
 159         } else {
 160                 $wgForeignFileRepos[] = array(
 161                         'class' => 'FSRepo',
 162                         'name' => 'shared',
 163                         'directory' => $wgSharedUploadDirectory,
 164                         'url' => $wgSharedUploadPath,
 165                         'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
 166                         'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
 167                         'transformVia404' => !$wgGenerateThumbnailOnParse,
 168                         'descBaseUrl' => $wgRepositoryBaseUrl,
 169                         'fetchDescription' => $wgFetchCommonsDescriptions,
 170                 );
 171         }
 172 }
 173 if ( $wgUseInstantCommons ) {
 174         $wgForeignFileRepos[] = array(
 175                 'class'                   => 'ForeignAPIRepo',
 176                 'name'                    => 'wikimediacommons',
 177                 'apibase'                 => 'http://commons.wikimedia.org/w/api.php',
 178                 'hashLevels'              => 2,
 179                 'fetchDescription'        => true,
 180                 'descriptionCacheExpiry'  => 43200,
 181                 'apiThumbCacheExpiry'     => 86400,
 182         );
 183 }
 184
 185 if ( $wgRCFilterByAge ) {
 186         # # Trim down $wgRCLinkDays so that it only lists links which are valid
 187         # # as determined by $wgRCMaxAge.
 188         # # Note that we allow 1 link higher than the max for things like 56 days but a 60 day link.
 189         sort( $wgRCLinkDays );
 190         for ( $i = 0; $i < count( $wgRCLinkDays ); $i++ ) {
 191                 if ( $wgRCLinkDays[$i] >= $wgRCMaxAge / ( 3600 * 24 ) ) {
 192                         $wgRCLinkDays = array_slice( $wgRCLinkDays, 0, $i + 1, false );
 193                         break;
 194                 }
 195         }
 196 }
 197
 198 if ( $wgSkipSkin ) {
 199         $wgSkipSkins[] = $wgSkipSkin;
 200 }
 201
 202 # Set default shared prefix
 203 if ( $wgSharedPrefix === false ) {
 204         $wgSharedPrefix = $wgDBprefix;
 205 }
 206
 207 if ( !$wgCookiePrefix ) {
 208         if ( $wgSharedDB && $wgSharedPrefix && in_array( 'user', $wgSharedTables ) ) {
 209                 $wgCookiePrefix = $wgSharedDB . '_' . $wgSharedPrefix;
 210         } elseif ( $wgSharedDB && in_array( 'user', $wgSharedTables ) ) {
 211                 $wgCookiePrefix = $wgSharedDB;
 212         } elseif ( $wgDBprefix ) {
 213                 $wgCookiePrefix = $wgDBname . '_' . $wgDBprefix;
 214         } else {
 215                 $wgCookiePrefix = $wgDBname;
 216         }
 217 }
 218 $wgCookiePrefix = strtr( $wgCookiePrefix, '=,; +."\'\\[', '__________' );
 219
 220 $wgUseEnotif = $wgEnotifUserTalk || $wgEnotifWatchlist;
 221
 222 if ( $wgMetaNamespace === false ) {
 223         $wgMetaNamespace = str_replace( ' ', '_', $wgSitename );
 224 }
 225
 226 /**
 227  * Definitions of the NS_ constants are in Defines.php
 228  * @private
 229  */
 230 $wgCanonicalNamespaceNames = array(
 231         NS_MEDIA            => 'Media',
 232         NS_SPECIAL          => 'Special',
 233         NS_TALK             => 'Talk',
 234         NS_USER             => 'User',
 235         NS_USER_TALK        => 'User_talk',
 236         NS_PROJECT          => 'Project',
 237         NS_PROJECT_TALK     => 'Project_talk',
 238         NS_FILE             => 'File',
 239         NS_FILE_TALK        => 'File_talk',
 240         NS_MEDIAWIKI        => 'MediaWiki',
 241         NS_MEDIAWIKI_TALK   => 'MediaWiki_talk',
 242         NS_TEMPLATE         => 'Template',
 243         NS_TEMPLATE_TALK    => 'Template_talk',
 244         NS_HELP             => 'Help',
 245         NS_HELP_TALK        => 'Help_talk',
 246         NS_CATEGORY         => 'Category',
 247         NS_CATEGORY_TALK    => 'Category_talk',
 248 );
 249
 250 /// @todo UGLY UGLY
 251 if( is_array( $wgExtraNamespaces ) ) {
 252         $wgCanonicalNamespaceNames = $wgCanonicalNamespaceNames + $wgExtraNamespaces;
 253 }
 254
 255 # These are now the same, always
 256 # To determine the user language, use $wgLang->getCode()
 257 $wgContLanguageCode = $wgLanguageCode;
 258
 259 # Easy to forget to falsify $wgShowIPinHeader for static caches.
 260 # If file cache or squid cache is on, just disable this (DWIMD).
 261 if ( $wgUseFileCache || $wgUseSquid ) {
 262         $wgShowIPinHeader = false;
 263 }
 264
 265 # $wgAllowRealName and $wgAllowUserSkin were removed in 1.16
 266 # in favor of $wgHiddenPrefs, handle b/c here
 267 if ( !$wgAllowRealName ) {
 268         $wgHiddenPrefs[] = 'realname';
 269 }
 270
 271 # Doesn't make sense to have if disabled.
 272 if ( !$wgEnotifMinorEdits ) {
 273         $wgHiddenPrefs[] = 'enotifminoredits';
 274 }
 275
 276 # $wgDisabledActions is deprecated as of 1.18
 277 foreach( $wgDisabledActions as $action ){
 278         $wgActions[$action] = false;
 279 }
 280 if( !$wgAllowPageInfo ){
 281         $wgActions['info'] = false;
 282 }
 283
 284 if ( !$wgHtml5Version && $wgHtml5 && $wgAllowRdfaAttributes ) {
 285         # see http://www.w3.org/TR/rdfa-in-html/#document-conformance
 286         if ( $wgMimeType == 'application/xhtml+xml' ) {
 287                 $wgHtml5Version = 'XHTML+RDFa 1.0';
 288         } else {
 289                 $wgHtml5Version = 'HTML+RDFa 1.0';
 290         }
 291 }
 292
 293 # Blacklisted file extensions shouldn't appear on the "allowed" list
 294 $wgFileExtensions = array_diff ( $wgFileExtensions, $wgFileBlacklist );
 295
 296 if ( $wgArticleCountMethod === null ) {
 297         $wgArticleCountMethod = $wgUseCommaCount ? 'comma' : 'link';
 298 }
 299
 300 if ( $wgInvalidateCacheOnLocalSettingsChange ) {
 301         $wgCacheEpoch = max( $wgCacheEpoch, gmdate( 'YmdHis', @filemtime( "$IP/LocalSettings.php" ) ) );
 302 }
 303
 304 if ( $wgAjaxUploadDestCheck ) {
 305         $wgAjaxExportList[] = 'SpecialUpload::ajaxGetExistsWarning';
 306 }
 307
 308 if ( $wgNewUserLog ) {
 309         # Add a new log type
 310         $wgLogTypes[]                        = 'newusers';
 311         $wgLogNames['newusers']              = 'newuserlogpage';
 312         $wgLogHeaders['newusers']            = 'newuserlogpagetext';
 313         $wgLogActions['newusers/newusers']   = 'newuserlogentry'; // For compatibility with older log entries
 314         $wgLogActions['newusers/create']     = 'newuserlog-create-entry';
 315         $wgLogActions['newusers/create2']    = 'newuserlog-create2-entry';
 316         $wgLogActions['newusers/autocreate'] = 'newuserlog-autocreate-entry';
 317 }
 318
 319 if ( !defined( 'MW_COMPILED' ) ) {
 320         if ( !MWInit::classExists( 'AutoLoader' ) ) {
 321                 require_once( "$IP/includes/AutoLoader.php" );
 322         }
 323
 324         wfProfileIn( $fname . '-exception' );
 325         require_once( "$IP/includes/Exception.php" );
 326         wfInstallExceptionHandler();
 327         wfProfileOut( $fname . '-exception' );
 328
 329         wfProfileIn( $fname . '-includes' );
 330         require_once( "$IP/includes/GlobalFunctions.php" );
 331         require_once( "$IP/includes/Hooks.php" );
 332         require_once( "$IP/includes/ProxyTools.php" );
 333         require_once( "$IP/includes/ImageFunctions.php" );
 334         wfProfileOut( $fname . '-includes' );
 335 }
 336 require_once( MWInit::compiledPath( 'includes/normal/UtfNormalDefines.php' ) );
 337
 338 wfProfileIn( $fname . '-misc1' );
 339
 340 # Raise the memory limit if it's too low
 341 wfMemoryLimit();
 342
 343 /**
 344  * Set up the timezone, suppressing the pseudo-security warning in PHP 5.1+
 345  * that happens whenever you use a date function without the timezone being
 346  * explicitly set. Inspired by phpMyAdmin's treatment of the problem.
 347  */
 348 wfSuppressWarnings();
 349 date_default_timezone_set( date_default_timezone_get() );
 350 wfRestoreWarnings();
 351
 352 # Can't stub this one, it sets up $_GET and $_REQUEST in its constructor
 353 $wgRequest = new WebRequest;
 354
 355 # Useful debug output
 356 global $wgCommandLineMode;
 357 if ( $wgCommandLineMode ) {
 358         wfDebug( "\n\nStart command line script $self\n" );
 359 } else {
 360         $debug = "Start request\n\n{$_SERVER['REQUEST_METHOD']} {$wgRequest->getRequestURL()}";
 361
 362         if ( $wgDebugPrintHttpHeaders ) {
 363                 $debug .= "\nHTTP HEADERS:\n";
 364
 365                 foreach ( $wgRequest->getAllHeaders() as $name => $value ) {
 366                         $debug .= "$name: $value\n";
 367                 }
 368         }
 369         wfDebug( "$debug\n" );
 370 }
 371
 372 wfProfileOut( $fname . '-misc1' );
 373 wfProfileIn( $fname . '-memcached' );
 374
 375 $wgMemc = wfGetMainCache();
 376 $messageMemc = wfGetMessageCacheStorage();
 377 $parserMemc = wfGetParserCacheStorage();
 378
 379 wfDebug( 'CACHES: ' . get_class( $wgMemc ) . '[main] ' .
 380         get_class( $messageMemc ) . '[message] ' .
 381         get_class( $parserMemc ) . "[parser]\n" );
 382
 383 wfProfileOut( $fname . '-memcached' );
 384
 385 # # Most of the config is out, some might want to run hooks here.
 386 wfRunHooks( 'SetupAfterCache' );
 387
 388 wfProfileIn( $fname . '-session' );
 389
 390 # If session.auto_start is there, we can't touch session name
 391 if ( !wfIniGetBool( 'session.auto_start' ) ) {
 392         session_name( $wgSessionName ? $wgSessionName : $wgCookiePrefix . '_session' );
 393 }
 394
 395 if ( !defined( 'MW_NO_SESSION' ) && !$wgCommandLineMode ) {
 396         if ( $wgRequest->checkSessionCookie() || isset( $_COOKIE[$wgCookiePrefix . 'Token'] ) ) {
 397                 wfIncrStats( 'request_with_session' );
 398                 wfSetupSession();
 399                 $wgSessionStarted = true;
 400         } else {
 401                 wfIncrStats( 'request_without_session' );
 402                 $wgSessionStarted = false;
 403         }
 404 }
 405
 406 wfProfileOut( $fname . '-session' );
 407 wfProfileIn( $fname . '-globals' );
 408
 409 $wgContLang = Language::factory( $wgLanguageCode );
 410 $wgContLang->initEncoding();
 411 $wgContLang->initContLang();
 412
 413 // Now that variant lists may be available...
 414 $wgRequest->interpolateTitle();
 415 $wgUser = RequestContext::getMain()->getUser(); # BackCompat
 416
 417 /**
 418  * @var Language
 419  */
 420 $wgLang = new StubUserLang;
 421
 422 /**
 423  * @var OutputPage
 424  */
 425 $wgOut = RequestContext::getMain()->getOutput(); # BackCompat
 426
 427 /**
 428  * @var Parser
 429  */
 430 $wgParser = new StubObject( 'wgParser', $wgParserConf['class'], array( $wgParserConf ) );
 431
 432 if ( !is_object( $wgAuth ) ) {
 433         $wgAuth = new StubObject( 'wgAuth', 'AuthPlugin' );
 434         wfRunHooks( 'AuthPluginSetup', array( &$wgAuth ) );
 435 }
 436
 437 # Placeholders in case of DB error
 438 $wgTitle = null;
 439 $wgArticle = null;
 440
 441 $wgDeferredUpdateList = array();
 442
 443 wfProfileOut( $fname . '-globals' );
 444 wfProfileIn( $fname . '-extensions' );
 445
 446 # Extension setup functions for extensions other than skins
 447 # Entries should be added to this variable during the inclusion
 448 # of the extension file. This allows the extension to perform
 449 # any necessary initialisation in the fully initialised environment
 450 foreach ( $wgExtensionFunctions as $func ) {
 451         # Allow closures in PHP 5.3+
 452         if ( is_object( $func ) && $func instanceof Closure ) {
 453                 $profName = $fname . '-extensions-closure';
 454         } elseif ( is_array( $func ) ) {
 455                 if ( is_object( $func[0] ) )
 456                         $profName = $fname . '-extensions-' . get_class( $func[0] ) . '::' . $func[1];
 457                 else
 458                         $profName = $fname . '-extensions-' . implode( '::', $func );
 459         } else {
 460                 $profName = $fname . '-extensions-' . strval( $func );
 461         }
 462
 463         wfProfileIn( $profName );
 464         call_user_func( $func );
 465         wfProfileOut( $profName );
 466 }
 467
 468 wfDebug( "Fully initialised\n" );
 469 $wgFullyInitialised = true;
 470
 471 wfProfileOut( $fname . '-extensions' );
 472 wfProfileOut( $fname );