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