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 # Please don't move this line to includes/Defines.php. This line essentially defines
  15 # a valid entry point. If you put it in includes/Defines.php, then any script that includes
  16 # it becomes an entry point, thereby defeating its purpose.
  17 define( "MEDIAWIKI", true );
  18
  19 require_once( "./includes/Defines.php" );
  20 require_once( "./LocalSettings.php" );
  21 require_once( "includes/Setup.php" );
  22
  23 wfProfileIn( "main-misc-setup" );
  24 OutputPage::setEncodings(); # Not really used yet
  25
  26 # Query string fields
  27 $action = $wgRequest->getVal( "action", "view" );
  28
  29 if( isset( $_SERVER['PATH_INFO'] ) && $wgUsePathInfo ) {
  30         $title = substr( $_SERVER['PATH_INFO'], 1 );
  31 } else {
  32         $title = $wgRequest->getVal( "title" );
  33 }
  34
  35 # Placeholders in case of DB error
  36 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  37 $wgArticle = new Article($wgTitle);
  38
  39 $action = strtolower( trim( $action ) );
  40 if ($wgRequest->getVal( "printable" ) == "yes") {
  41         $wgOut->setPrintable();
  42 }
  43
  44 if ( "" == $title && "delete" != $action ) {
  45         $wgTitle = Title::newFromText( wfMsg( "mainpage" ) );
  46 } elseif ( $curid = $wgRequest->getInt( 'curid' ) ) {
  47         # URLs like this are generated by RC, because rc_title isn't always accurate
  48         $wgTitle = Title::newFromID( $curid );
  49 } else {
  50         $wgTitle = Title::newFromURL( $title );
  51 }
  52 wfProfileOut( "main-misc-setup" );
  53
  54 # If the user is not logged in, the Namespace:title of the article must be in
  55 # the Read array in order for the user to see it. (We have to check here to
  56 # catch special pages etc. We check again in Article::view())
  57 if ( !is_null( $wgTitle ) && !$wgTitle->userCanRead() ) {
  58         $wgOut->loginToUse();
  59         $wgOut->output();
  60         exit;
  61 }
  62
  63 if( $search = $wgRequest->getText( 'search' ) ) {
  64         require_once( 'SearchEngine.php' );
  65         $wgTitle = Title::makeTitle( NS_SPECIAL, "Search" );
  66         $searchEngine = new SearchEngine( $search );
  67         if( $wgRequest->getVal( 'fulltext' ) ||
  68                 !is_null( $wgRequest->getVal( 'offset' ) ) ||
  69                 !is_null ($wgRequest->getVal( 'searchx' ) ) ) {
  70                 $searchEngine->showResults();
  71         } else {
  72                 $searchEngine->goResult();
  73         }
  74 } else if( !$wgTitle or $wgTitle->getDBkey() == "" ) {
  75         $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  76         $wgOut->errorpage( "badtitle", "badtitletext" );
  77 } else if ( $wgTitle->getInterwiki() != "" ) {
  78         $url = $wgTitle->getFullURL();
  79         # Check for a redirect loop
  80         if ( !preg_match( "/^" . preg_quote( $wgServer, "/" ) . "/", $url ) && $wgTitle->isLocal() ) {
  81                 $wgOut->redirect( $url );
  82         } else {
  83                 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  84                 $wgOut->errorpage( "badtitle", "badtitletext" );
  85         }
  86 } else if ( ( $action == "view" ) && $wgTitle->getPrefixedDBKey() != $title &&
  87   !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
  88 {
  89         /* redirect to canonical url, make it a 301 to allow caching */
  90         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  91 } else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {
  92         # actions that need to be made when we have a special pages
  93         require_once( 'includes/SpecialPage.php' );
  94         if ( !$wgAllowSysopQueries ) {SpecialPage::removePage( 'Asksql' ); }
  95         SpecialPage::executePath( $wgTitle );
  96 } else {
  97         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
  98                 $wgTitle = Title::makeTitle( Namespace::getImage(), $wgTitle->getDBkey() );
  99         }
 100
 101         switch( $wgTitle->getNamespace() ) {
 102         case NS_IMAGE:
 103                 require_once( "includes/ImagePage.php" );
 104                 $wgArticle = new ImagePage( $wgTitle );
 105                 break;
 106         default:
 107                 $wgArticle = new Article( $wgTitle );
 108         }
 109
 110         switch( $action ) {
 111                 case "view":
 112                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 113                         $wgArticle->view();
 114                         break;
 115                 case "watch":
 116                 case "unwatch":
 117                 case "delete":
 118                 case "revert":
 119                 case "rollback":
 120                 case "protect":
 121                 case "unprotect":
 122                 case "validate":
 123                 case "info":
 124                 case "markpatrolled":
 125                         $wgArticle->$action();
 126                         break;
 127                 case "print":
 128                         $wgArticle->view();
 129                         break;
 130                 case "dublincore":
 131                         if( !$wgEnableDublinCoreRdf ) {
 132                                 wfHttpError( 403, "Forbidden", wfMsg( "nodublincore" ) );
 133                         } else {
 134                                 require_once( "includes/Metadata.php" );
 135                                 wfDublinCoreRdf( $wgArticle );
 136                         }
 137                         break;
 138                 case "creativecommons":
 139                         if( !$wgEnableCreativeCommonsRdf ) {
 140                                 wfHttpError( 403, "Forbidden", wfMsg("nocreativecommons") );
 141                         } else {
 142                                 require_once( "includes/Metadata.php" );
 143                                 wfCreativeCommonsRdf( $wgArticle );
 144                         }
 145                         break;
 146                 case "credits":
 147                         require_once( "includes/Credits.php" );
 148                         showCreditsPage( $wgArticle );
 149                         break;
 150                 case "edit":
 151                 case "submit":
 152                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 153                                 User::SetupSession();
 154                         }
 155                         require_once( "includes/EditPage.php" );
 156                         $editor = new EditPage( $wgArticle );
 157                         $editor->submit();
 158                         break;
 159                 case "history":
 160                         if ($_SERVER["REQUEST_URI"] == $wgTitle->getInternalURL('action=history')) {
 161                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 162                         }
 163                         require_once( "includes/PageHistory.php" );
 164                         $history = new PageHistory( $wgArticle );
 165                         $history->history();
 166                         break;
 167                 case "raw":
 168                         require_once( "includes/RawPage.php" );
 169                         $raw = new RawPage( $wgArticle );
 170                         $raw->view();
 171                         break;
 172                 case "purge":
 173                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 174                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 175                         $wgTitle->invalidateCache();
 176                         $wgArticle->view();
 177                         break;
 178                 default:
 179                         $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 180         }
 181 }
 182
 183 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 184 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 185 # the client will wait until the script exits anyway before following the redirect.
 186 foreach ( $wgDeferredUpdateList as $up ) {
 187         $up->doUpdate();
 188 }
 189
 190 $wgLoadBalancer->saveMasterPos();
 191
 192 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 193 $wgLoadBalancer->commitAll();
 194
 195 $wgOut->output();
 196
 197 logProfilingData();
 198 $wgLoadBalancer->closeAll();
 199 wfDebug( "Request ended normally\n" );
 200 ?>