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' ) ||
  61                 !is_null( $wgRequest->getVal( 'offset' ) ) ||
  62                 !is_null ($wgRequest->getVal( 'searchx' ) ) ) {
  63                 wfSearch( $search );
  64         } else {
  65                 wfGo( $search );
  66         }
  67 } else if( !$wgTitle or $wgTitle->getDBkey() == "" ) {
  68         $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  69         $wgOut->errorpage( "badtitle", "badtitletext" );
  70 } else if ( $wgTitle->getInterwiki() != "" ) {
  71         $url = $wgTitle->getFullURL();
  72         # Check for a redirect loop
  73         if ( !preg_match( "/^" . preg_quote( $wgServer, "/" ) . "/", $url ) && $wgTitle->isLocal() ) {
  74                 $wgOut->redirect( $url );
  75         } else {
  76                 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  77                 $wgOut->errorpage( "badtitle", "badtitletext" );
  78         }
  79 } else if ( ( $action == "view" ) && $wgTitle->getPrefixedDBKey() != $title &&
  80   !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
  81 {
  82         /* redirect to canonical url, make it a 301 to allow caching */
  83         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  84 } else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {
  85         # actions that need to be made when we have a special pages
  86         require_once( 'includes/SpecialPage.php' );
  87         if ( !$wgAllowSysopQueries ) {SpecialPage::removePage( 'Asksql' ); }
  88         SpecialPage::executePath( $wgTitle );
  89 } else {
  90         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
  91                 $wgTitle = Title::makeTitle( Namespace::getImage(), $wgTitle->getDBkey() );
  92         }
  93
  94         switch( $wgTitle->getNamespace() ) {
  95         case NS_IMAGE:
  96                 require_once( "includes/ImagePage.php" );
  97                 $wgArticle = new ImagePage( $wgTitle );
  98                 break;
  99         default:
 100                 $wgArticle = new Article( $wgTitle );
 101         }
 102
 103         switch( $action ) {
 104                 case "view":
 105                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 106                         $wgArticle->view();
 107                         break;
 108                 case "watch":
 109                 case "unwatch":
 110                 case "delete":
 111                 case "revert":
 112                 case "rollback":
 113                 case "protect":
 114                 case "unprotect":
 115                 case "validate":
 116                 case "info":
 117                 case "markpatrolled":
 118                         $wgArticle->$action();
 119                         break;
 120                 case "print":
 121                         $wgArticle->view();
 122                         break;
 123                 case "dublincore":
 124                         if( !$wgEnableDublinCoreRdf ) {
 125                                 wfHttpError( 403, "Forbidden", wfMsg( "nodublincore" ) );
 126                         } else {
 127                                 require_once( "includes/Metadata.php" );
 128                                 wfDublinCoreRdf( $wgArticle );
 129                         }
 130                         break;
 131                 case "creativecommons":
 132                         if( !$wgEnableCreativeCommonsRdf ) {
 133                                 wfHttpError( 403, "Forbidden", wfMsg("nocreativecommons") );
 134                         } else {
 135                                 require_once( "includes/Metadata.php" );
 136                                 wfCreativeCommonsRdf( $wgArticle );
 137                         }
 138                         break;
 139                 case "credits":
 140                         require_once( "includes/Credits.php" );
 141                         showCreditsPage( $wgArticle );
 142                         break;
 143                 case "edit":
 144                 case "submit":
 145                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 146                                 User::SetupSession();
 147                         }
 148                         require_once( "includes/EditPage.php" );
 149                         $editor = new EditPage( $wgArticle );
 150                         $editor->submit();
 151                         break;
 152                 case "history":
 153                         if ($_SERVER["REQUEST_URI"] == $wgTitle->getInternalURL('action=history')) {
 154                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 155                         }
 156                         require_once( "includes/PageHistory.php" );
 157                         $history = new PageHistory( $wgArticle );
 158                         $history->history();
 159                         break;
 160                 case "raw":
 161                         require_once( "includes/RawPage.php" );
 162                         $raw = new RawPage( $wgArticle );
 163                         $raw->view();
 164                         break;
 165                 case "purge":
 166                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 167                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 168                         $wgTitle->invalidateCache();
 169                         $wgArticle->view();
 170                         break;
 171                 default:
 172                         $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 173         }
 174 }
 175
 176 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 177 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 178 # the client will wait until the script exits anyway before following the redirect.
 179 foreach ( $wgDeferredUpdateList as $up ) {
 180         $up->doUpdate();
 181 }
 182
 183 $wgLoadBalancer->saveMasterPos();
 184
 185 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 186 $wgLoadBalancer->commitAll();
 187
 188 $wgOut->output();
 189
 190 logProfilingData();
 191 $wgLoadBalancer->closeAll();
 192 wfDebug( "Request ended normally\n" );
 193 ?>