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