includes/Setup.php

   1 <?php
   2 /**
   3  * Include most things that's need to customize the site
   4  */
   5
   6 /**
   7  * This file is not a valid entry point, perform no further processing unless
   8  * MEDIAWIKI is defined
   9  */
  10 if( !defined( 'MEDIAWIKI' ) ) {
  11         echo "This file is part of MediaWiki, it is not a valid entry point.\n";
  12         exit( 1 );
  13 }
  14
  15 # The main wiki script and things like database
  16 # conversion and maintenance scripts all share a
  17 # common setup of including lots of classes and
  18 # setting up a few globals.
  19 #
  20
  21 $fname = 'Setup.php';
  22 wfProfileIn( $fname );
  23
  24 // Check to see if we are at the file scope
  25 if ( !isset( $wgVersion ) ) {
  26         echo "Error, Setup.php must be included from the file scope, after DefaultSettings.php\n";
  27         die( 1 );
  28 }
  29
  30 // Set various default paths sensibly...
  31 if( $wgScript === false ) $wgScript = "$wgScriptPath/index$wgScriptExtension";
  32 if( $wgRedirectScript === false ) $wgRedirectScript = "$wgScriptPath/redirect$wgScriptExtension";
  33
  34 if( $wgArticlePath === false ) {
  35         if( $wgUsePathInfo ) {
  36                 $wgArticlePath      = "$wgScript/$1";
  37         } else {
  38                 $wgArticlePath      = "$wgScript?title=$1";
  39         }
  40 }
  41
  42 if( $wgStylePath === false ) $wgStylePath = "$wgScriptPath/skins";
  43 if( $wgStyleDirectory === false) $wgStyleDirectory   = "$IP/skins";
  44
  45 if( $wgLogo === false ) $wgLogo = "$wgStylePath/common/images/wiki.png";
  46
  47 if( $wgUploadPath === false ) $wgUploadPath = "$wgScriptPath/images";
  48 if( $wgUploadDirectory === false ) $wgUploadDirectory = "$IP/images";
  49
  50 if( $wgMathPath === false ) $wgMathPath = "{$wgUploadPath}/math";
  51 if( $wgMathDirectory === false ) $wgMathDirectory = "{$wgUploadDirectory}/math";
  52 if( $wgTmpDirectory === false ) $wgTmpDirectory = "{$wgUploadDirectory}/tmp";
  53
  54 if( $wgReadOnlyFile === false ) $wgReadOnlyFile = "{$wgUploadDirectory}/lock_yBgMBwiR";
  55 if( $wgFileCacheDirectory === false ) $wgFileCacheDirectory = "{$wgUploadDirectory}/cache";
  56
  57 if ( empty( $wgFileStore['deleted']['directory'] ) ) {
  58         $wgFileStore['deleted']['directory'] = "{$wgUploadDirectory}/deleted";
  59 }
  60
  61 /**
  62  * Unconditional protection for NS_MEDIAWIKI since otherwise it's too easy for a
  63  * sysadmin to set $wgNamespaceProtection incorrectly and leave the wiki insecure.
  64  *
  65  * Note that this is the definition of editinterface and it can be granted to
  66  * all users if desired.
  67  */
  68 $wgNamespaceProtection[NS_MEDIAWIKI] = 'editinterface';
  69
  70 /**
  71  * Initialise $wgLocalFileRepo from backwards-compatible settings
  72  */
  73 if ( !$wgLocalFileRepo ) {
  74         $wgLocalFileRepo = array(
  75                 'class' => 'LocalRepo',
  76                 'name' => 'local',
  77                 'directory' => $wgUploadDirectory,
  78                 'url' => $wgUploadBaseUrl ? $wgUploadBaseUrl . $wgUploadPath : $wgUploadPath,
  79                 'hashLevels' => $wgHashedUploadDirectory ? 2 : 0,
  80                 'thumbScriptUrl' => $wgThumbnailScriptPath,
  81                 'transformVia404' => !$wgGenerateThumbnailOnParse,
  82                 'initialCapital' => $wgCapitalLinks,
  83                 'deletedDir' => $wgFileStore['deleted']['directory'],
  84                 'deletedHashLevels' => $wgFileStore['deleted']['hash']
  85         );
  86 }
  87 /**
  88  * Initialise shared repo from backwards-compatible settings
  89  */
  90 if ( $wgUseSharedUploads ) {
  91         if ( $wgSharedUploadDBname ) {
  92                 $wgForeignFileRepos[] = array(
  93                         'class' => 'ForeignDBRepo',
  94                         'name' => 'shared',
  95                         'directory' => $wgSharedUploadDirectory,
  96                         'url' => $wgSharedUploadPath,
  97                         'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
  98                         'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
  99                         'transformVia404' => !$wgGenerateThumbnailOnParse,
 100                         'dbType' => $wgDBtype,
 101                         'dbServer' => $wgDBserver,
 102                         'dbUser' => $wgDBuser,
 103                         'dbPassword' => $wgDBpassword,
 104                         'dbName' => $wgSharedUploadDBname,
 105                         'dbFlags' => ($wgDebugDumpSql ? DBO_DEBUG : 0) | DBO_DEFAULT,
 106                         'tablePrefix' => $wgSharedUploadDBprefix,
 107                         'hasSharedCache' => $wgCacheSharedUploads,
 108                         'descBaseUrl' => $wgRepositoryBaseUrl,
 109                         'fetchDescription' => $wgFetchCommonsDescriptions,
 110                 );
 111         } else {
 112                 $wgForeignFileRepos[] = array(
 113                         'class' => 'FSRepo',
 114                         'name' => 'shared',
 115                         'directory' => $wgSharedUploadDirectory,
 116                         'url' => $wgSharedUploadPath,
 117                         'hashLevels' => $wgHashedSharedUploadDirectory ? 2 : 0,
 118                         'thumbScriptUrl' => $wgSharedThumbnailScriptPath,
 119                         'transformVia404' => !$wgGenerateThumbnailOnParse,
 120                         'descBaseUrl' => $wgRepositoryBaseUrl,
 121                         'fetchDescription' => $wgFetchCommonsDescriptions,
 122                 );
 123         }
 124 }
 125
 126 /**
 127  * Workaround for http://bugs.php.net/bug.php?id=45132
 128  * escapeshellarg() destroys non-ASCII characters if LANG is not a UTF-8 locale
 129  */
 130 putenv( 'LC_CTYPE=en_US.UTF-8' );
 131 setlocale( LC_CTYPE, 'en_US.UTF-8' );
 132
 133 if ( !class_exists( 'AutoLoader' ) ) {
 134         require_once( "$IP/includes/AutoLoader.php" );
 135 }
 136
 137 wfProfileIn( $fname.'-exception' );
 138 require_once( "$IP/includes/Exception.php" );
 139 wfInstallExceptionHandler();
 140 wfProfileOut( $fname.'-exception' );
 141
 142 wfProfileIn( $fname.'-includes' );
 143 require_once( "$IP/includes/GlobalFunctions.php" );
 144 require_once( "$IP/includes/Hooks.php" );
 145 require_once( "$IP/includes/Namespace.php" );
 146 require_once( "$IP/includes/ProxyTools.php" );
 147 require_once( "$IP/includes/ObjectCache.php" );
 148 require_once( "$IP/includes/ImageFunctions.php" );
 149 require_once( "$IP/includes/StubObject.php" );
 150 wfProfileOut( $fname.'-includes' );
 151 wfProfileIn( $fname.'-misc1' );
 152
 153 # Override SecretKey with ProxyKey if a site is using the old setting
 154 if ( isset( $wgProxyKey ) ) {
 155         $wgSecretKey = $wgProxyKey;
 156 }
 157
 158 $wgIP = false; # Load on demand
 159 # Can't stub this one, it sets up $_GET and $_REQUEST in its constructor
 160 $wgRequest = new WebRequest;
 161 if ( function_exists( 'posix_uname' ) ) {
 162         $wguname = posix_uname();
 163         $wgNodeName = $wguname['nodename'];
 164 } else {
 165         $wgNodeName = '';
 166 }
 167
 168 # Useful debug output
 169 if ( $wgCommandLineMode ) {
 170         wfDebug( "\n\nStart command line script $self\n" );
 171 } elseif ( function_exists( 'getallheaders' ) ) {
 172         wfDebug( "\n\nStart request\n" );
 173         wfDebug( $_SERVER['REQUEST_METHOD'] . ' ' . $_SERVER['REQUEST_URI'] . "\n" );
 174         $headers = getallheaders();
 175         foreach ($headers as $name => $value) {
 176                 wfDebug( "$name: $value\n" );
 177         }
 178         wfDebug( "\n" );
 179 } elseif( isset( $_SERVER['REQUEST_URI'] ) ) {
 180         wfDebug( $_SERVER['REQUEST_METHOD'] . ' ' . $_SERVER['REQUEST_URI'] . "\n" );
 181 }
 182
 183 if( $wgRCFilterByAge ) {
 184         ## Trim down $wgRCLinkDays so that it only lists links which are valid
 185         ## as determined by $wgRCMaxAge.
 186         ## Note that we allow 1 link higher than the max for things like 56 days but a 60 day link.
 187         sort($wgRCLinkDays);
 188         for( $i = 0; $i < count($wgRCLinkDays); $i++ ) {
 189                 if( $wgRCLinkDays[$i] >= $wgRCMaxAge / ( 3600 * 24 ) ) {
 190                         $wgRCLinkDays = array_slice( $wgRCLinkDays, 0, $i+1, false );
 191                         break;
 192                 }
 193         }
 194 }
 195
 196 if ( $wgSkipSkin ) {
 197         $wgSkipSkins[] = $wgSkipSkin;
 198 }
 199
 200 $wgUseEnotif = $wgEnotifUserTalk || $wgEnotifWatchlist;
 201
 202 if($wgMetaNamespace === FALSE) {
 203         $wgMetaNamespace = str_replace( ' ', '_', $wgSitename );
 204 }
 205
 206 # These are now the same, always
 207 # To determine the user language, use $wgLang->getCode()
 208 $wgContLanguageCode = $wgLanguageCode;
 209
 210 wfProfileOut( $fname.'-misc1' );
 211 wfProfileIn( $fname.'-memcached' );
 212
 213 $wgMemc =& wfGetMainCache();
 214 $messageMemc =& wfGetMessageCacheStorage();
 215 $parserMemc =& wfGetParserCacheStorage();
 216
 217 wfDebug( 'Main cache: ' . get_class( $wgMemc ) .
 218         "\nMessage cache: " . get_class( $messageMemc ) .
 219         "\nParser cache: " . get_class( $parserMemc ) . "\n" );
 220
 221 wfProfileOut( $fname.'-memcached' );
 222 wfProfileIn( $fname.'-SetupSession' );
 223
 224 # Set default shared prefix
 225 if( $wgSharedPrefix === false ) $wgSharedPrefix = $wgDBprefix;
 226
 227 if( !$wgCookiePrefix ) {
 228         if ( in_array('user', $wgSharedTables) && $wgSharedDB && $wgSharedPrefix ) {
 229                 $wgCookiePrefix = $wgSharedDB . '_' . $wgSharedPrefix;
 230         } elseif ( in_array('user', $wgSharedTables) && $wgSharedDB ) {
 231                 $wgCookiePrefix = $wgSharedDB;
 232         } elseif ( $wgDBprefix ) {
 233                 $wgCookiePrefix = $wgDBname . '_' . $wgDBprefix;
 234         } else {
 235                 $wgCookiePrefix = $wgDBname;
 236         }
 237 }
 238 $wgCookiePrefix = strtr($wgCookiePrefix, "=,; +.\"'\\[", "__________");
 239
 240 # If session.auto_start is there, we can't touch session name
 241 #
 242 if( !wfIniGetBool( 'session.auto_start' ) )
 243         session_name( $wgSessionName ? $wgSessionName : $wgCookiePrefix . '_session' );
 244
 245 if( !$wgCommandLineMode && ( $wgRequest->checkSessionCookie() || isset( $_COOKIE[$wgCookiePrefix.'Token'] ) ) ) {
 246         wfIncrStats( 'request_with_session' );
 247         wfSetupSession();
 248         $wgSessionStarted = true;
 249 } else {
 250         wfIncrStats( 'request_without_session' );
 251         $wgSessionStarted = false;
 252 }
 253
 254 wfProfileOut( $fname.'-SetupSession' );
 255 wfProfileIn( $fname.'-globals' );
 256
 257 $wgContLang = new StubContLang;
 258
 259 // Now that variant lists may be available...
 260 $wgRequest->interpolateTitle();
 261
 262 $wgUser = new StubUser;
 263 $wgLang = new StubUserLang;
 264 $wgOut = new StubObject( 'wgOut', 'OutputPage' );
 265 $wgParser = new StubObject( 'wgParser', $wgParserConf['class'], array( $wgParserConf ) );
 266
 267 $wgMessageCache = new StubObject( 'wgMessageCache', 'MessageCache',
 268         array( $messageMemc, $wgUseDatabaseMessages, $wgMsgCacheExpiry, wfWikiID() ) );
 269
 270 wfProfileOut( $fname.'-globals' );
 271 wfProfileIn( $fname.'-User' );
 272
 273 # Skin setup functions
 274 # Entries can be added to this variable during the inclusion
 275 # of the extension file. Skins can then perform any necessary initialisation.
 276 #
 277 foreach ( $wgSkinExtensionFunctions as $func ) {
 278         call_user_func( $func );
 279 }
 280
 281 if( !is_object( $wgAuth ) ) {
 282         $wgAuth = new StubObject( 'wgAuth', 'AuthPlugin' );
 283         wfRunHooks( 'AuthPluginSetup', array( &$wgAuth ) );
 284 }
 285
 286 wfProfileOut( $fname.'-User' );
 287
 288 wfProfileIn( $fname.'-misc2' );
 289
 290 $wgDeferredUpdateList = array();
 291 $wgPostCommitUpdateList = array();
 292
 293 if ( $wgAjaxWatch ) $wgAjaxExportList[] = 'wfAjaxWatch';
 294 if ( $wgAjaxUploadDestCheck ) $wgAjaxExportList[] = 'UploadForm::ajaxGetExistsWarning';
 295 if( $wgAjaxLicensePreview )
 296         $wgAjaxExportList[] = 'UploadForm::ajaxGetLicensePreview';
 297
 298 # Placeholders in case of DB error
 299 $wgTitle = null;
 300 $wgArticle = null;
 301
 302 wfProfileOut( $fname.'-misc2' );
 303 wfProfileIn( $fname.'-extensions' );
 304
 305 # Extension setup functions for extensions other than skins
 306 # Entries should be added to this variable during the inclusion
 307 # of the extension file. This allows the extension to perform
 308 # any necessary initialisation in the fully initialised environment
 309 foreach ( $wgExtensionFunctions as $func ) {
 310         $profName = $fname.'-extensions-'.strval( $func );
 311         wfProfileIn( $profName );
 312         call_user_func( $func );
 313         wfProfileOut( $profName );
 314 }
 315
 316 // For compatibility
 317 wfRunHooks( 'LogPageValidTypes', array( &$wgLogTypes ) );
 318 wfRunHooks( 'LogPageLogName', array( &$wgLogNames ) );
 319 wfRunHooks( 'LogPageLogHeader', array( &$wgLogHeaders ) );
 320 wfRunHooks( 'LogPageActionText', array( &$wgLogActions ) );
 321
 322
 323 wfDebug( "Fully initialised\n" );
 324 $wgFullyInitialised = true;
 325 wfProfileOut( $fname.'-extensions' );
 326 wfProfileOut( $fname );