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