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 ( !is_null( $wgTitle ) && !$wgTitle->userCanRead() ) {
  52         $wgOut->loginToUse();
  53         $wgOut->output();
  54         exit;
  55 }
  56
  57 $db =& wfGetDB( DB_MASTER );
  58
  59 if ( $search = $wgRequest->getText( 'search' ) ) {
  60         $wgTitle = Title::makeTitle( NS_SPECIAL, "Search" );
  61         if( $wgRequest->getVal( 'fulltext' ) || !is_null( $wgRequest->getVal( 'offset' ) ) ) {
  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() == $wgTitle->getNamespace() ) {
  82         # actions that need to be made when we have a special pages
  83         require_once( 'includes/SpecialPage.php' );
  84         if ( !$wgAllowSysopQueries ) {SpecialPage::removePage( 'Asksql' ); }
  85         SpecialPage::executePath( $wgTitle );
  86 } else {
  87         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
  88                 $wgTitle = Title::makeTitle( Namespace::getImage(), $wgTitle->getDBkey() );
  89         }
  90
  91         switch( $wgTitle->getNamespace() ) {
  92         case NS_IMAGE:
  93                 require_once( "includes/ImagePage.php" );
  94                 $wgArticle = new ImagePage( $wgTitle );
  95                 break;
  96         default:
  97                 $wgArticle = new Article( $wgTitle );
  98         }
  99
 100         $db->query("BEGIN");
 101         switch( $action ) {
 102                 case "view":
 103                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 104                         $wgArticle->view();
 105                         break;
 106                 case "watch":
 107                 case "unwatch":
 108                 case "delete":
 109                 case "revert":
 110                 case "rollback":
 111                 case "protect":
 112                 case "unprotect":
 113                 case "info":
 114                         $wgArticle->$action();
 115                         break;
 116                 case "print":
 117                         $wgArticle->view();
 118                         break;
 119                 case "dublincore":
 120                         if( !$wgEnableDublinCoreRdf ) {
 121                                 wfHttpError( 403, "Forbidden", wfMsg( "nodublincore" ) );
 122                         } else {
 123                                 require_once( "includes/Metadata.php" );
 124                                 wfDublinCoreRdf( $wgArticle );
 125                         }
 126                         break;
 127                 case "creativecommons":
 128                         if( !$wgEnableCreativeCommonsRdf ) {
 129                                 wfHttpError( 403, "Forbidden", wfMsg("nocreativecommons") );
 130                         } else {
 131                                 require_once( "includes/Metadata.php" );
 132                                 wfCreativeCommonsRdf( $wgArticle );
 133                         }
 134                         break;
 135                 case "credits":
 136                         require_once( "includes/Credits.php" );
 137                         showCreditsPage( $wgArticle );
 138                         break;
 139                 case "edit":
 140                 case "submit":
 141                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 142                                 User::SetupSession();
 143                         }
 144                         require_once( "includes/EditPage.php" );
 145                         $editor = new EditPage( $wgArticle );
 146                         $editor->$action();
 147                         break;
 148                 case "history":
 149                         if ($_SERVER["REQUEST_URI"] == $wgTitle->getInternalURL('action=history')) {
 150                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 151                         }
 152                         require_once( "includes/PageHistory.php" );
 153                         $history = new PageHistory( $wgArticle );
 154                         $history->history();
 155                         break;
 156                 case "raw":
 157                         require_once( "includes/RawPage.php" );
 158                         $raw = new RawPage( $wgArticle );
 159                         $raw->view();
 160                         break;
 161                 case "purge":
 162                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 163                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 164                         $wgTitle->invalidateCache();
 165                         $wgArticle->view();
 166                         break;
 167                 default:
 168                         $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 169         }
 170         $db->query("COMMIT");
 171 }
 172
 173 $wgLoadBalancer->saveMasterPos();
 174 $wgOut->output();
 175
 176 foreach ( $wgDeferredUpdateList as $up ) {
 177         $db->query("BEGIN");
 178         $up->doUpdate();
 179         $db->query("COMMIT");
 180 }
 181 logProfilingData();
 182 wfDebug( "Request ended normally\n" );
 183 ?>