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 wfProfileIn( "main-action" );
  64 if( $search = $wgRequest->getText( 'search' ) ) {
  65         require_once( 'SearchEngine.php' );
  66         $wgTitle = Title::makeTitle( NS_SPECIAL, "Search" );
  67         $searchEngine = new SearchEngine( $search );
  68         if( $wgRequest->getVal( 'fulltext' ) ||
  69                 !is_null( $wgRequest->getVal( 'offset' ) ) ||
  70                 !is_null ($wgRequest->getVal( 'searchx' ) ) ) {
  71                 $searchEngine->showResults();
  72         } else {
  73                 $searchEngine->goResult();
  74         }
  75 } else if( !$wgTitle or $wgTitle->getDBkey() == "" ) {
  76         $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  77         $wgOut->errorpage( "badtitle", "badtitletext" );
  78 } else if ( $wgTitle->getInterwiki() != "" ) {
  79         $url = $wgTitle->getFullURL();
  80         # Check for a redirect loop
  81         if ( !preg_match( "/^" . preg_quote( $wgServer, "/" ) . "/", $url ) && $wgTitle->isLocal() ) {
  82                 $wgOut->redirect( $url );
  83         } else {
  84                 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  85                 $wgOut->errorpage( "badtitle", "badtitletext" );
  86         }
  87 } else if ( ( $action == "view" ) && $wgTitle->getPrefixedDBKey() != $title &&
  88   !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
  89 {
  90         /* redirect to canonical url, make it a 301 to allow caching */
  91         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  92 } else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {
  93         # actions that need to be made when we have a special pages
  94         require_once( 'includes/SpecialPage.php' );
  95         if ( !$wgAllowSysopQueries ) {SpecialPage::removePage( 'Asksql' ); }
  96         SpecialPage::executePath( $wgTitle );
  97 } else {
  98         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
  99                 $wgTitle = Title::makeTitle( Namespace::getImage(), $wgTitle->getDBkey() );
 100         }
 101
 102         switch( $wgTitle->getNamespace() ) {
 103         case NS_IMAGE:
 104                 require_once( "includes/ImagePage.php" );
 105                 $wgArticle = new ImagePage( $wgTitle );
 106                 break;
 107         default:
 108                 $wgArticle = new Article( $wgTitle );
 109         }
 110
 111         switch( $action ) {
 112                 case "view":
 113                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 114                         $wgArticle->view();
 115                         break;
 116                 case "watch":
 117                 case "unwatch":
 118                 case "delete":
 119                 case "revert":
 120                 case "rollback":
 121                 case "protect":
 122                 case "unprotect":
 123                 case "validate":
 124                 case "info":
 125                 case "markpatrolled":
 126                         $wgArticle->$action();
 127                         break;
 128                 case "print":
 129                         $wgArticle->view();
 130                         break;
 131                 case "dublincore":
 132                         if( !$wgEnableDublinCoreRdf ) {
 133                                 wfHttpError( 403, "Forbidden", wfMsg( "nodublincore" ) );
 134                         } else {
 135                                 require_once( "includes/Metadata.php" );
 136                                 wfDublinCoreRdf( $wgArticle );
 137                         }
 138                         break;
 139                 case "creativecommons":
 140                         if( !$wgEnableCreativeCommonsRdf ) {
 141                                 wfHttpError( 403, "Forbidden", wfMsg("nocreativecommons") );
 142                         } else {
 143                                 require_once( "includes/Metadata.php" );
 144                                 wfCreativeCommonsRdf( $wgArticle );
 145                         }
 146                         break;
 147                 case "credits":
 148                         require_once( "includes/Credits.php" );
 149                         showCreditsPage( $wgArticle );
 150                         break;
 151                 case "edit":
 152                 case "submit":
 153                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 154                                 User::SetupSession();
 155                         }
 156                         require_once( "includes/EditPage.php" );
 157                         $editor = new EditPage( $wgArticle );
 158                         $editor->submit();
 159                         break;
 160                 case "history":
 161                         if ($_SERVER["REQUEST_URI"] == $wgTitle->getInternalURL('action=history')) {
 162                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 163                         }
 164                         require_once( "includes/PageHistory.php" );
 165                         $history = new PageHistory( $wgArticle );
 166                         $history->history();
 167                         break;
 168                 case "raw":
 169                         require_once( "includes/RawPage.php" );
 170                         $raw = new RawPage( $wgArticle );
 171                         $raw->view();
 172                         break;
 173                 case "purge":
 174                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 175                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 176                         $wgTitle->invalidateCache();
 177                         $wgArticle->view();
 178                         break;
 179                 default:
 180                         $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 181         }
 182 }
 183 wfProfileOut( "main-action" );
 184
 185 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 186 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 187 # the client will wait until the script exits anyway before following the redirect.
 188 wfProfileIn( "main-updates" );
 189 foreach ( $wgDeferredUpdateList as $up ) {
 190         $up->doUpdate();
 191 }
 192 wfProfileOut( "main-updates" );
 193
 194 wfProfileIn( "main-cleanup" );
 195 $wgLoadBalancer->saveMasterPos();
 196
 197 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 198 $wgLoadBalancer->commitAll();
 199
 200 $wgOut->output();
 201 wfProfileOut( "main-cleanup" );
 202
 203 logProfilingData();
 204 $wgLoadBalancer->closeAll();
 205 wfDebug( "Request ended normally\n" );
 206 ?>