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