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         $wgTitle = Title::makeTitle( NS_SPECIAL, "Search" );
  65         $searchEngine = new SearchEngine( $search );
  66         if( $wgRequest->getVal( 'fulltext' ) ||
  67                 !is_null( $wgRequest->getVal( 'offset' ) ) ||
  68                 !is_null ($wgRequest->getVal( 'searchx' ) ) ) {
  69                 $searchEngine->showResults();
  70         } else {
  71                 $searchEngine->goResult();
  72         }
  73 } else if( !$wgTitle or $wgTitle->getDBkey() == "" ) {
  74         $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  75         $wgOut->errorpage( "badtitle", "badtitletext" );
  76 } else if ( $wgTitle->getInterwiki() != "" ) {
  77         $url = $wgTitle->getFullURL();
  78         # Check for a redirect loop
  79         if ( !preg_match( "/^" . preg_quote( $wgServer, "/" ) . "/", $url ) && $wgTitle->isLocal() ) {
  80                 $wgOut->redirect( $url );
  81         } else {
  82                 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  83                 $wgOut->errorpage( "badtitle", "badtitletext" );
  84         }
  85 } else if ( ( $action == "view" ) && $wgTitle->getPrefixedDBKey() != $title &&
  86   !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
  87 {
  88         /* redirect to canonical url, make it a 301 to allow caching */
  89         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  90 } else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {
  91         # actions that need to be made when we have a special pages
  92         require_once( 'includes/SpecialPage.php' );
  93         if ( !$wgAllowSysopQueries ) {SpecialPage::removePage( 'Asksql' ); }
  94         SpecialPage::executePath( $wgTitle );
  95 } else {
  96         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
  97                 $wgTitle = Title::makeTitle( Namespace::getImage(), $wgTitle->getDBkey() );
  98         }
  99
 100         switch( $wgTitle->getNamespace() ) {
 101         case NS_IMAGE:
 102                 require_once( "includes/ImagePage.php" );
 103                 $wgArticle = new ImagePage( $wgTitle );
 104                 break;
 105         default:
 106                 $wgArticle = new Article( $wgTitle );
 107         }
 108
 109         switch( $action ) {
 110                 case "view":
 111                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 112                         $wgArticle->view();
 113                         break;
 114                 case "watch":
 115                 case "unwatch":
 116                 case "delete":
 117                 case "revert":
 118                 case "rollback":
 119                 case "protect":
 120                 case "unprotect":
 121                 case "validate":
 122                 case "info":
 123                 case "markpatrolled":
 124                         $wgArticle->$action();
 125                         break;
 126                 case "print":
 127                         $wgArticle->view();
 128                         break;
 129                 case "dublincore":
 130                         if( !$wgEnableDublinCoreRdf ) {
 131                                 wfHttpError( 403, "Forbidden", wfMsg( "nodublincore" ) );
 132                         } else {
 133                                 require_once( "includes/Metadata.php" );
 134                                 wfDublinCoreRdf( $wgArticle );
 135                         }
 136                         break;
 137                 case "creativecommons":
 138                         if( !$wgEnableCreativeCommonsRdf ) {
 139                                 wfHttpError( 403, "Forbidden", wfMsg("nocreativecommons") );
 140                         } else {
 141                                 require_once( "includes/Metadata.php" );
 142                                 wfCreativeCommonsRdf( $wgArticle );
 143                         }
 144                         break;
 145                 case "credits":
 146                         require_once( "includes/Credits.php" );
 147                         showCreditsPage( $wgArticle );
 148                         break;
 149                 case "edit":
 150                 case "submit":
 151                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 152                                 User::SetupSession();
 153                         }
 154                         require_once( "includes/EditPage.php" );
 155                         $editor = new EditPage( $wgArticle );
 156                         $editor->submit();
 157                         break;
 158                 case "history":
 159                         if ($_SERVER["REQUEST_URI"] == $wgTitle->getInternalURL('action=history')) {
 160                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 161                         }
 162                         require_once( "includes/PageHistory.php" );
 163                         $history = new PageHistory( $wgArticle );
 164                         $history->history();
 165                         break;
 166                 case "raw":
 167                         require_once( "includes/RawPage.php" );
 168                         $raw = new RawPage( $wgArticle );
 169                         $raw->view();
 170                         break;
 171                 case "purge":
 172                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 173                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 174                         $wgTitle->invalidateCache();
 175                         $wgArticle->view();
 176                         break;
 177                 default:
 178                         $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 179         }
 180 }
 181
 182 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 183 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 184 # the client will wait until the script exits anyway before following the redirect.
 185 foreach ( $wgDeferredUpdateList as $up ) {
 186         $up->doUpdate();
 187 }
 188
 189 $wgLoadBalancer->saveMasterPos();
 190
 191 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 192 $wgLoadBalancer->commitAll();
 193
 194 $wgOut->output();
 195
 196 logProfilingData();
 197 $wgLoadBalancer->closeAll();
 198 wfDebug( "Request ended normally\n" );
 199 ?>