index.php

   1 <?php
   2 # Main wiki script; see design.doc
   3 #
   4 $wgRequestTime = microtime();
   5
   6 unset( $IP );
   7 ini_set( "allow_url_fopen", 0 ); # For security...
   8 if(!file_exists("LocalSettings.php")) {
   9         die( "You'll have to <a href='config/index.php'>set the wiki up</a> first!" );
  10 }
  11 include_once( "./LocalSettings.php" );
  12
  13 if( $wgSitename == "MediaWiki" ) {
  14         die( "You must set the site name in \$wgSitename before installation.\n\n" );
  15 }
  16
  17 # PATH_SEPARATOR avaialble only from 4.3.0
  18 $sep = (DIRECTORY_SEPARATOR == "\\") ? ";" : ":";
  19 ini_set( "include_path", $IP . $sep . ini_get( "include_path" ) );
  20
  21 include_once( "Setup.php" );
  22
  23 wfProfileIn( "main-misc-setup" );
  24 OutputPage::setEncodings(); # Not really used yet
  25
  26 # Query string fields
  27 $action = $wgRequest->getVal( "action", "view" );
  28
  29 if( isset( $_SERVER['PATH_INFO'] ) ) {
  30         $title = substr( $_SERVER['PATH_INFO'], 1 );
  31 } else {
  32         $title = $wgRequest->getVal( "title" );
  33 }
  34
  35 # Placeholders in case of DB error
  36 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  37 $wgArticle = new Article($wgTitle);
  38
  39 $action = strtolower( trim( $action ) );
  40 if ( "" == $action ) { $action = "view"; }
  41 if ($wgRequest->getVal( "printable" ) == "yes") {
  42         $wgOut->setPrintable();
  43 }
  44
  45 if ( "" == $title && "delete" != $action ) {
  46         $wgTitle = Title::newFromText( wfMsg( "mainpage" ) );
  47 } elseif ( $curid = $wgRequest->getInt( 'curid' ) ) {
  48         # URLs like this are generated by RC, because rc_title isn't always accurate
  49         $wgTitle = Title::newFromID( $curid );
  50 } else {
  51         $wgTitle = Title::newFromURL( $title );
  52 }
  53 wfProfileOut( "main-misc-setup" );
  54
  55 # If the user is not logged in, the Namespace:title of the article must be in the Read array in
  56 #  order for the user to see it.
  57 if ( !$wgUser->getID() && is_array( $wgWhitelistRead ) && $wgTitle) {
  58         if ( !in_array( $wgLang->getNsText( $wgTitle->getNamespace() ) . ":" . $wgTitle->getDBkey(), $wgWhitelistRead ) ) {
  59                 $wgOut->loginToUse();
  60                 $wgOut->output();
  61                 exit;
  62         }
  63 }
  64
  65 if ( $search = $wgRequest->getText( 'search' ) ) {
  66         if( $wgRequest->getVal( 'fulltext' ) ) {
  67                 wfSearch( $search );
  68         } else {
  69                 wfGo( $search );
  70         }
  71 } else if( !$wgTitle or $wgTitle->getInterwiki() != "" or $wgTitle->getDBkey() == "" ) {
  72         $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  73         $wgOut->errorpage( "badtitle", "badtitletext" );
  74 } else if ( ( $action == "view" ) && $wgTitle->getPrefixedDBKey() != $title ) {
  75         /* redirect to canonical url, make it a 301 to allow caching */
  76         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  77 } else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {
  78         wfSpecialPage();
  79 } else {
  80         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
  81                 $wgTitle = Title::makeTitle( Namespace::getImage(), $wgTitle->getDBkey() );
  82         }
  83
  84         switch( $wgTitle->getNamespace() ) {
  85         case NS_IMAGE:
  86                 include_once( "ImagePage.php" );
  87                 $wgArticle = new ImagePage( $wgTitle );
  88                 break;
  89         default:
  90                 $wgArticle = new Article( $wgTitle );
  91         }
  92
  93         wfQuery("BEGIN", DB_WRITE);
  94         switch( $action ) {
  95                 case "view":
  96                         $wgOut->setSquidMaxage( $wgSquidMaxage );
  97                         $wgArticle->$action();
  98                         break;
  99                 case "watch":
 100                 case "unwatch":
 101                 case "delete":
 102                 case "revert":
 103                 case "rollback":
 104                 case "protect":
 105                 case "unprotect":
 106                         $wgArticle->$action();
 107                         break;
 108                 case "print":
 109                         $wgArticle->view();
 110                         break;
 111                 case "edit":
 112                 case "submit":
 113                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 114                                 User::SetupSession();
 115                         }
 116                         include_once( "EditPage.php" );
 117                         $editor = new EditPage( $wgArticle );
 118                         $editor->$action();
 119                         break;
 120                 case "history":
 121                         if ($_SERVER["REQUEST_URI"] == $wgTitle->getInternalURL('action=history')) {
 122                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 123                         }
 124                         include_once( "PageHistory.php" );
 125                         $history = new PageHistory( $wgArticle );
 126                         $history->history();
 127                         break;
 128                 case "purge":
 129                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 130                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 131                         $wgArticle->view();
 132                         break;
 133                 default:
 134                         $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 135         }
 136         wfQuery("COMMIT", DB_WRITE);
 137 }
 138
 139 $wgOut->output();
 140
 141 foreach ( $wgDeferredUpdateList as $up ) { $up->doUpdate(); }
 142 logProfilingData();
 143 wfDebug( "Request ended normally\n" );
 144 ?>