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 define( "MEDIAWIKI", true );
  14 require_once( "./LocalSettings.php" );
  15 require_once( "includes/Setup.php" );
  16
  17 wfProfileIn( "main-misc-setup" );
  18 OutputPage::setEncodings(); # Not really used yet
  19
  20 # Query string fields
  21 $action = $wgRequest->getVal( "action", "view" );
  22
  23 if( isset( $_SERVER['PATH_INFO'] ) && $wgUsePathInfo ) {
  24         $title = substr( $_SERVER['PATH_INFO'], 1 );
  25 } else {
  26         $title = $wgRequest->getVal( "title" );
  27 }
  28
  29 # Placeholders in case of DB error
  30 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  31 $wgArticle = new Article($wgTitle);
  32
  33 $action = strtolower( trim( $action ) );
  34 if ( "" == $action ) { $action = "view"; }
  35 if ($wgRequest->getVal( "printable" ) == "yes") {
  36         $wgOut->setPrintable();
  37 }
  38
  39 if ( "" == $title && "delete" != $action ) {
  40         $wgTitle = Title::newFromText( wfMsg( "mainpage" ) );
  41 } elseif ( $curid = $wgRequest->getInt( 'curid' ) ) {
  42         # URLs like this are generated by RC, because rc_title isn't always accurate
  43         $wgTitle = Title::newFromID( $curid );
  44 } else {
  45         $wgTitle = Title::newFromURL( $title );
  46 }
  47 wfProfileOut( "main-misc-setup" );
  48
  49 # If the user is not logged in, the Namespace:title of the article must be in the Read array in
  50 #  order for the user to see it.
  51 if ( !$wgUser->getID() && is_array( $wgWhitelistRead ) && $wgTitle) {
  52         if ( !in_array( $wgLang->getNsText( $wgTitle->getNamespace() ) . ":" . $wgTitle->getDBkey(), $wgWhitelistRead ) ) {
  53                 $wgOut->loginToUse();
  54                 $wgOut->output();
  55                 exit;
  56         }
  57 }
  58
  59 if ( $search = $wgRequest->getText( 'search' ) ) {
  60         $wgTitle = Title::makeTitle( NS_SPECIAL, "Search" );
  61         if( $wgRequest->getVal( 'fulltext' ) ) {
  62                 wfSearch( $search );
  63         } else {
  64                 wfGo( $search );
  65         }
  66 } else if( !$wgTitle or $wgTitle->getDBkey() == "" ) {
  67         $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  68         $wgOut->errorpage( "badtitle", "badtitletext" );
  69 } else if ( $wgTitle->getInterwiki() != "" ) {
  70         $url = $wgTitle->getFullURL();
  71         # Check for a redirect loop
  72         if ( !preg_match( "/^" . preg_quote( $wgServer ) . "/", $url ) && $wgTitle->isLocal() ) {
  73                 $wgOut->redirect( $url );
  74         } else {
  75                 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  76                 $wgOut->errorpage( "badtitle", "badtitletext" );
  77         }
  78 } else if ( ( $action == "view" ) && $wgTitle->getPrefixedDBKey() != $title ) {
  79         /* redirect to canonical url, make it a 301 to allow caching */
  80         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  81 } else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {
  82         wfSpecialPage();
  83 } else {
  84         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
  85                 $wgTitle = Title::makeTitle( Namespace::getImage(), $wgTitle->getDBkey() );
  86         }
  87
  88         switch( $wgTitle->getNamespace() ) {
  89         case NS_IMAGE:
  90                 require_once( "includes/ImagePage.php" );
  91                 $wgArticle = new ImagePage( $wgTitle );
  92                 break;
  93         default:
  94                 $wgArticle = new Article( $wgTitle );
  95         }
  96
  97         wfQuery("BEGIN", DB_WRITE);
  98         switch( $action ) {
  99                 case "view":
 100                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 101                         $wgArticle->view();
 102                         break;
 103                 case "watch":
 104                 case "unwatch":
 105                 case "delete":
 106                 case "revert":
 107                 case "rollback":
 108                 case "protect":
 109                 case "unprotect":
 110                         $wgArticle->$action();
 111                         break;
 112                 case "print":
 113                         $wgArticle->view();
 114                         break;
 115                 case "dublincore":
 116                         if( !$wgEnableDublinCoreRdf ) {
 117                                 wfHttpError( 403, "Forbidden", wfMsg( "nodublincore" ) );
 118                         } else {
 119                                 require_once( "includes/Metadata.php" );
 120                                 wfDublinCoreRdf( $wgArticle );
 121                         }
 122                         break;
 123                 case "creativecommons":
 124                         if( !$wgEnableCreativeCommonsRdf ) {
 125                                 wfHttpError( 403, "Forbidden", wfMsg("nocreativecommons") );
 126                         } else {
 127                                 require_once( "includes/Metadata.php" );
 128                                 wfCreativeCommonsRdf( $wgArticle );
 129                         }
 130                         break;
 131                 case "edit":
 132                 case "submit":
 133                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 134                                 User::SetupSession();
 135                         }
 136                         require_once( "includes/EditPage.php" );
 137                         $editor = new EditPage( $wgArticle );
 138                         $editor->$action();
 139                         break;
 140                 case "history":
 141                         if ($_SERVER["REQUEST_URI"] == $wgTitle->getInternalURL('action=history')) {
 142                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 143                         }
 144                         require_once( "includes/PageHistory.php" );
 145                         $history = new PageHistory( $wgArticle );
 146                         $history->history();
 147                         break;
 148                 case "raw":
 149                         require_once( "includes/RawPage.php" );
 150                         $raw = new RawPage( $wgArticle );
 151                         $raw->view();
 152                         break;
 153                 case "purge":
 154                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 155                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 156                         $wgArticle->view();
 157                         break;
 158                 default:
 159                         $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 160         }
 161         wfQuery("COMMIT", DB_WRITE);
 162 }
 163
 164 $wgOut->output();
 165
 166 foreach ( $wgDeferredUpdateList as $up ) { $up->doUpdate(); }
 167 logProfilingData();
 168 wfDebug( "Request ended normally\n" );
 169 ?>