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