index.php

   1 <?php
   2 #apd_set_pprof_trace();
   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 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         $searchEngine = new SearchEngine( $search );
  61         if( $wgRequest->getVal( 'fulltext' ) ||
  62                 !is_null( $wgRequest->getVal( 'offset' ) ) ||
  63                 !is_null ($wgRequest->getVal( 'searchx' ) ) ) {
  64                 $searchEngine->showResults();
  65         } else {
  66                 $searchEngine->goResult();
  67         }
  68 } else if( !$wgTitle or $wgTitle->getDBkey() == "" ) {
  69         $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  70         $wgOut->errorpage( "badtitle", "badtitletext" );
  71 } else if ( $wgTitle->getInterwiki() != "" ) {
  72         $url = $wgTitle->getFullURL();
  73         # Check for a redirect loop
  74         if ( !preg_match( "/^" . preg_quote( $wgServer, "/" ) . "/", $url ) && $wgTitle->isLocal() ) {
  75                 $wgOut->redirect( $url );
  76         } else {
  77                 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  78                 $wgOut->errorpage( "badtitle", "badtitletext" );
  79         }
  80 } else if ( ( $action == "view" ) && $wgTitle->getPrefixedDBKey() != $title &&
  81   !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
  82 {
  83         /* redirect to canonical url, make it a 301 to allow caching */
  84         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  85 } else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {
  86         # actions that need to be made when we have a special pages
  87         require_once( 'includes/SpecialPage.php' );
  88         if ( !$wgAllowSysopQueries ) {SpecialPage::removePage( 'Asksql' ); }
  89         SpecialPage::executePath( $wgTitle );
  90 } else {
  91         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
  92                 $wgTitle = Title::makeTitle( Namespace::getImage(), $wgTitle->getDBkey() );
  93         }
  94
  95         switch( $wgTitle->getNamespace() ) {
  96         case NS_IMAGE:
  97                 require_once( "includes/ImagePage.php" );
  98                 $wgArticle = new ImagePage( $wgTitle );
  99                 break;
 100         default:
 101                 $wgArticle = new Article( $wgTitle );
 102         }
 103
 104         switch( $action ) {
 105                 case "view":
 106                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 107                         $wgArticle->view();
 108                         break;
 109                 case "watch":
 110                 case "unwatch":
 111                 case "delete":
 112                 case "revert":
 113                 case "rollback":
 114                 case "protect":
 115                 case "unprotect":
 116                 case "validate":
 117                 case "info":
 118                 case "markpatrolled":
 119                         $wgArticle->$action();
 120                         break;
 121                 case "print":
 122                         $wgArticle->view();
 123                         break;
 124                 case "dublincore":
 125                         if( !$wgEnableDublinCoreRdf ) {
 126                                 wfHttpError( 403, "Forbidden", wfMsg( "nodublincore" ) );
 127                         } else {
 128                                 require_once( "includes/Metadata.php" );
 129                                 wfDublinCoreRdf( $wgArticle );
 130                         }
 131                         break;
 132                 case "creativecommons":
 133                         if( !$wgEnableCreativeCommonsRdf ) {
 134                                 wfHttpError( 403, "Forbidden", wfMsg("nocreativecommons") );
 135                         } else {
 136                                 require_once( "includes/Metadata.php" );
 137                                 wfCreativeCommonsRdf( $wgArticle );
 138                         }
 139                         break;
 140                 case "credits":
 141                         require_once( "includes/Credits.php" );
 142                         showCreditsPage( $wgArticle );
 143                         break;
 144                 case "edit":
 145                 case "submit":
 146                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 147                                 User::SetupSession();
 148                         }
 149                         require_once( "includes/EditPage.php" );
 150                         $editor = new EditPage( $wgArticle );
 151                         $editor->submit();
 152                         break;
 153                 case "history":
 154                         if ($_SERVER["REQUEST_URI"] == $wgTitle->getInternalURL('action=history')) {
 155                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 156                         }
 157                         require_once( "includes/PageHistory.php" );
 158                         $history = new PageHistory( $wgArticle );
 159                         $history->history();
 160                         break;
 161                 case "raw":
 162                         require_once( "includes/RawPage.php" );
 163                         $raw = new RawPage( $wgArticle );
 164                         $raw->view();
 165                         break;
 166                 case "purge":
 167                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 168                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 169                         $wgTitle->invalidateCache();
 170                         $wgArticle->view();
 171                         break;
 172                 default:
 173                         $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 174         }
 175 }
 176
 177 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 178 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 179 # the client will wait until the script exits anyway before following the redirect.
 180 foreach ( $wgDeferredUpdateList as $up ) {
 181         $up->doUpdate();
 182 }
 183
 184 $wgLoadBalancer->saveMasterPos();
 185
 186 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 187 $wgLoadBalancer->commitAll();
 188
 189 $wgOut->output();
 190
 191 logProfilingData();
 192 $wgLoadBalancer->closeAll();
 193 wfDebug( "Request ended normally\n" );
 194 ?>