index.php

   1 <?php
   2
   3 # Main wiki script; see design.doc
   4 #
   5 $wgRequestTime = microtime();
   6
   7 unset( $IP );
   8 @ini_set( "allow_url_fopen", 0 ); # For security...
   9 if(!file_exists("LocalSettings.php")) {
  10         die( "You'll have to <a href='config/index.php'>set the wiki up</a> first!" );
  11 }
  12
  13 # Valid web server entry point, enable includes
  14 define( "MEDIAWIKI", true );
  15
  16 require_once( "./includes/Defines.php" );
  17 require_once( "./LocalSettings.php" );
  18 require_once( "includes/Setup.php" );
  19
  20 wfProfileIn( "main-misc-setup" );
  21 OutputPage::setEncodings(); # Not really used yet
  22
  23 # Query string fields
  24 $action = $wgRequest->getVal( "action", "view" );
  25
  26 if( isset( $_SERVER['PATH_INFO'] ) && $wgUsePathInfo ) {
  27         $title = substr( $_SERVER['PATH_INFO'], 1 );
  28 } else {
  29         $title = $wgRequest->getVal( "title" );
  30 }
  31
  32 # Placeholders in case of DB error
  33 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  34 $wgArticle = new Article($wgTitle);
  35
  36 $action = strtolower( trim( $action ) );
  37 if ($wgRequest->getVal( "printable" ) == "yes") {
  38         $wgOut->setPrintable();
  39 }
  40
  41 if ( "" == $title && "delete" != $action ) {
  42         $wgTitle = Title::newFromText( wfMsg( "mainpage" ) );
  43 } elseif ( $curid = $wgRequest->getInt( 'curid' ) ) {
  44         # URLs like this are generated by RC, because rc_title isn't always accurate
  45         $wgTitle = Title::newFromID( $curid );
  46 } else {
  47         $wgTitle = Title::newFromURL( $title );
  48 }
  49 wfProfileOut( "main-misc-setup" );
  50
  51 # If the user is not logged in, the Namespace:title of the article must be in
  52 # the Read array in order for the user to see it. (We have to check here to
  53 # catch special pages etc. We check again in Article::view())
  54 if ( !is_null( $wgTitle ) && !$wgTitle->userCanRead() ) {
  55         $wgOut->loginToUse();
  56         $wgOut->output();
  57         exit;
  58 }
  59
  60 if ( $search = $wgRequest->getText( 'search' ) ) {
  61         $wgTitle = Title::makeTitle( NS_SPECIAL, "Search" );
  62         if( $wgRequest->getVal( 'fulltext' ) ||
  63                 !is_null( $wgRequest->getVal( 'offset' ) ) ||
  64                 !is_null ($wgRequest->getVal( 'searchx' ) ) ) {
  65                 wfSearch( $search );
  66         } else {
  67                 wfGo( $search );
  68         }
  69 } else if( !$wgTitle or $wgTitle->getDBkey() == "" ) {
  70         $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  71         $wgOut->errorpage( "badtitle", "badtitletext" );
  72 } else if ( $wgTitle->getInterwiki() != "" ) {
  73         $url = $wgTitle->getFullURL();
  74         # Check for a redirect loop
  75         if ( !preg_match( "/^" . preg_quote( $wgServer, "/" ) . "/", $url ) && $wgTitle->isLocal() ) {
  76                 $wgOut->redirect( $url );
  77         } else {
  78                 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  79                 $wgOut->errorpage( "badtitle", "badtitletext" );
  80         }
  81 } else if ( ( $action == "view" ) && $wgTitle->getPrefixedDBKey() != $title &&
  82   !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
  83 {
  84         /* redirect to canonical url, make it a 301 to allow caching */
  85         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  86 } else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {
  87         # actions that need to be made when we have a special pages
  88         require_once( 'includes/SpecialPage.php' );
  89         if ( !$wgAllowSysopQueries ) {SpecialPage::removePage( 'Asksql' ); }
  90         SpecialPage::executePath( $wgTitle );
  91 } else {
  92         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
  93                 $wgTitle = Title::makeTitle( Namespace::getImage(), $wgTitle->getDBkey() );
  94         }
  95
  96         switch( $wgTitle->getNamespace() ) {
  97         case NS_IMAGE:
  98                 require_once( "includes/ImagePage.php" );
  99                 $wgArticle = new ImagePage( $wgTitle );
 100                 break;
 101         default:
 102                 $wgArticle = new Article( $wgTitle );
 103         }
 104
 105         switch( $action ) {
 106                 case "view":
 107                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 108                         $wgArticle->view();
 109                         break;
 110                 case "watch":
 111                 case "unwatch":
 112                 case "delete":
 113                 case "revert":
 114                 case "rollback":
 115                 case "protect":
 116                 case "unprotect":
 117                 case "validate":
 118                 case "info":
 119                 case "markpatrolled":
 120                         $wgArticle->$action();
 121                         break;
 122                 case "print":
 123                         $wgArticle->view();
 124                         break;
 125                 case "dublincore":
 126                         if( !$wgEnableDublinCoreRdf ) {
 127                                 wfHttpError( 403, "Forbidden", wfMsg( "nodublincore" ) );
 128                         } else {
 129                                 require_once( "includes/Metadata.php" );
 130                                 wfDublinCoreRdf( $wgArticle );
 131                         }
 132                         break;
 133                 case "creativecommons":
 134                         if( !$wgEnableCreativeCommonsRdf ) {
 135                                 wfHttpError( 403, "Forbidden", wfMsg("nocreativecommons") );
 136                         } else {
 137                                 require_once( "includes/Metadata.php" );
 138                                 wfCreativeCommonsRdf( $wgArticle );
 139                         }
 140                         break;
 141                 case "credits":
 142                         require_once( "includes/Credits.php" );
 143                         showCreditsPage( $wgArticle );
 144                         break;
 145                 case "edit":
 146                 case "submit":
 147                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 148                                 User::SetupSession();
 149                         }
 150                         require_once( "includes/EditPage.php" );
 151                         $editor = new EditPage( $wgArticle );
 152                         $editor->submit();
 153                         break;
 154                 case "history":
 155                         if ($_SERVER["REQUEST_URI"] == $wgTitle->getInternalURL('action=history')) {
 156                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 157                         }
 158                         require_once( "includes/PageHistory.php" );
 159                         $history = new PageHistory( $wgArticle );
 160                         $history->history();
 161                         break;
 162                 case "raw":
 163                         require_once( "includes/RawPage.php" );
 164                         $raw = new RawPage( $wgArticle );
 165                         $raw->view();
 166                         break;
 167                 case "purge":
 168                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 169                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 170                         $wgTitle->invalidateCache();
 171                         $wgArticle->view();
 172                         break;
 173                 default:
 174                         $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 175         }
 176 }
 177
 178 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 179 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 180 # the client will wait until the script exits anyway before following the redirect.
 181 foreach ( $wgDeferredUpdateList as $up ) {
 182         $up->doUpdate();
 183 }
 184
 185 $wgLoadBalancer->saveMasterPos();
 186
 187 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 188 $wgLoadBalancer->commitAll();
 189
 190 $wgOut->output();
 191
 192 logProfilingData();
 193 $wgLoadBalancer->closeAll();
 194 wfDebug( "Request ended normally\n" );
 195 ?>