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 # Valid web server entry point, enable includes
  14 define( "MEDIAWIKI", true );
  15
  16 require_once( "./includes/Defines.php" );
  17 require_once( "./LocalSettings.php" );
  18 require_once( "includes/Setup.php" );
  19
  20 wfProfileIn( "main-misc-setup" );
  21 OutputPage::setEncodings(); # Not really used yet
  22
  23 # Query string fields
  24 $action = $wgRequest->getVal( "action", "view" );
  25
  26 if( isset( $_SERVER['PATH_INFO'] ) && $wgUsePathInfo ) {
  27         $title = substr( $_SERVER['PATH_INFO'], 1 );
  28 } else {
  29         $title = $wgRequest->getVal( "title" );
  30 }
  31
  32 # Placeholders in case of DB error
  33 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  34 $wgArticle = new Article($wgTitle);
  35
  36 $action = strtolower( trim( $action ) );
  37 if ($wgRequest->getVal( "printable" ) == "yes") {
  38         $wgOut->setPrintable();
  39 }
  40
  41 if ( "" == $title && "delete" != $action ) {
  42         $wgTitle = Title::newFromText( wfMsg( "mainpage" ) );
  43 } elseif ( $curid = $wgRequest->getInt( 'curid' ) ) {
  44         # URLs like this are generated by RC, because rc_title isn't always accurate
  45         $wgTitle = Title::newFromID( $curid );
  46 } else {
  47         $wgTitle = Title::newFromURL( $title );
  48 }
  49 wfProfileOut( "main-misc-setup" );
  50
  51 # If the user is not logged in, the Namespace:title of the article must be in
  52 # the Read array in order for the user to see it. (We have to check here to
  53 # catch special pages etc. We check again in Article::view())
  54 if ( !is_null( $wgTitle ) && !$wgTitle->userCanRead() ) {
  55         $wgOut->loginToUse();
  56         $wgOut->output();
  57         exit;
  58 }
  59
  60 if ( $search = $wgRequest->getText( 'search' ) ) {
  61         $wgTitle = Title::makeTitle( NS_SPECIAL, "Search" );
  62         $searchEngine = new SearchEngine( $search );
  63         if( $wgRequest->getVal( 'fulltext' ) ||
  64                 !is_null( $wgRequest->getVal( 'offset' ) ) ||
  65                 !is_null ($wgRequest->getVal( 'searchx' ) ) ) {
  66                 $searchEngine->showResults();
  67         } else {
  68                 $searchEngine->goResult();
  69         }
  70 } else if( !$wgTitle or $wgTitle->getDBkey() == "" ) {
  71         $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  72         $wgOut->errorpage( "badtitle", "badtitletext" );
  73 } else if ( $wgTitle->getInterwiki() != "" ) {
  74         $url = $wgTitle->getFullURL();
  75         # Check for a redirect loop
  76         if ( !preg_match( "/^" . preg_quote( $wgServer, "/" ) . "/", $url ) && $wgTitle->isLocal() ) {
  77                 $wgOut->redirect( $url );
  78         } else {
  79                 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  80                 $wgOut->errorpage( "badtitle", "badtitletext" );
  81         }
  82 } else if ( ( $action == "view" ) && $wgTitle->getPrefixedDBKey() != $title &&
  83   !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
  84 {
  85         /* redirect to canonical url, make it a 301 to allow caching */
  86         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  87 } else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {
  88         # actions that need to be made when we have a special pages
  89         require_once( 'includes/SpecialPage.php' );
  90         if ( !$wgAllowSysopQueries ) {SpecialPage::removePage( 'Asksql' ); }
  91         SpecialPage::executePath( $wgTitle );
  92 } else {
  93         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
  94                 $wgTitle = Title::makeTitle( Namespace::getImage(), $wgTitle->getDBkey() );
  95         }
  96
  97         switch( $wgTitle->getNamespace() ) {
  98         case NS_IMAGE:
  99                 require_once( "includes/ImagePage.php" );
 100                 $wgArticle = new ImagePage( $wgTitle );
 101                 break;
 102         default:
 103                 $wgArticle = new Article( $wgTitle );
 104         }
 105
 106         switch( $action ) {
 107                 case "view":
 108                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 109                         $wgArticle->view();
 110                         break;
 111                 case "watch":
 112                 case "unwatch":
 113                 case "delete":
 114                 case "revert":
 115                 case "rollback":
 116                 case "protect":
 117                 case "unprotect":
 118                 case "validate":
 119                 case "info":
 120                 case "markpatrolled":
 121                         $wgArticle->$action();
 122                         break;
 123                 case "print":
 124                         $wgArticle->view();
 125                         break;
 126                 case "dublincore":
 127                         if( !$wgEnableDublinCoreRdf ) {
 128                                 wfHttpError( 403, "Forbidden", wfMsg( "nodublincore" ) );
 129                         } else {
 130                                 require_once( "includes/Metadata.php" );
 131                                 wfDublinCoreRdf( $wgArticle );
 132                         }
 133                         break;
 134                 case "creativecommons":
 135                         if( !$wgEnableCreativeCommonsRdf ) {
 136                                 wfHttpError( 403, "Forbidden", wfMsg("nocreativecommons") );
 137                         } else {
 138                                 require_once( "includes/Metadata.php" );
 139                                 wfCreativeCommonsRdf( $wgArticle );
 140                         }
 141                         break;
 142                 case "credits":
 143                         require_once( "includes/Credits.php" );
 144                         showCreditsPage( $wgArticle );
 145                         break;
 146                 case "edit":
 147                 case "submit":
 148                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 149                                 User::SetupSession();
 150                         }
 151                         require_once( "includes/EditPage.php" );
 152                         $editor = new EditPage( $wgArticle );
 153                         $editor->submit();
 154                         break;
 155                 case "history":
 156                         if ($_SERVER["REQUEST_URI"] == $wgTitle->getInternalURL('action=history')) {
 157                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 158                         }
 159                         require_once( "includes/PageHistory.php" );
 160                         $history = new PageHistory( $wgArticle );
 161                         $history->history();
 162                         break;
 163                 case "raw":
 164                         require_once( "includes/RawPage.php" );
 165                         $raw = new RawPage( $wgArticle );
 166                         $raw->view();
 167                         break;
 168                 case "purge":
 169                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 170                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 171                         $wgTitle->invalidateCache();
 172                         $wgArticle->view();
 173                         break;
 174                 default:
 175                         $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 176         }
 177 }
 178
 179 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 180 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 181 # the client will wait until the script exits anyway before following the redirect.
 182 foreach ( $wgDeferredUpdateList as $up ) {
 183         $up->doUpdate();
 184 }
 185
 186 $wgLoadBalancer->saveMasterPos();
 187
 188 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 189 $wgLoadBalancer->commitAll();
 190
 191 $wgOut->output();
 192
 193 logProfilingData();
 194 $wgLoadBalancer->closeAll();
 195 wfDebug( "Request ended normally\n" );
 196 ?>