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 $title = $wgRequest->getVal( "title" );
  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 wfProfileIn( "main-action" );
  59 $search = $wgRequest->getText( 'search' );
  60 if( !is_null( $search ) && $search !== '' ) {
  61         require_once( 'SearchEngine.php' );
  62         $wgTitle = Title::makeTitle( NS_SPECIAL, "Search" );
  63         $searchEngine = new SearchEngine( $search );
  64         if( $wgRequest->getVal( 'fulltext' ) ||
  65                 !is_null( $wgRequest->getVal( 'offset' ) ) ||
  66                 !is_null ($wgRequest->getVal( 'searchx' ) ) ) {
  67                 $searchEngine->showResults();
  68         } else {
  69                 $searchEngine->goResult();
  70         }
  71 } else if( !$wgTitle or $wgTitle->getDBkey() == "" ) {
  72         $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  73         $wgOut->errorpage( "badtitle", "badtitletext" );
  74 } else if ( $wgTitle->getInterwiki() != "" ) {
  75         $url = $wgTitle->getFullURL();
  76         # Check for a redirect loop
  77         if ( !preg_match( "/^" . preg_quote( $wgServer, "/" ) . "/", $url ) && $wgTitle->isLocal() ) {
  78                 $wgOut->redirect( $url );
  79         } else {
  80                 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  81                 $wgOut->errorpage( "badtitle", "badtitletext" );
  82         }
  83 } else if ( ( $action == "view" ) && $wgTitle->getPrefixedDBKey() != $title &&
  84   !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
  85 {
  86         /* redirect to canonical url, make it a 301 to allow caching */
  87         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  88 } else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {
  89         # actions that need to be made when we have a special pages
  90         require_once( 'includes/SpecialPage.php' );
  91         if ( !$wgAllowSysopQueries ) {SpecialPage::removePage( 'Asksql' ); }
  92         SpecialPage::executePath( $wgTitle );
  93 } else {
  94         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
  95                 $wgTitle = Title::makeTitle( NS_IMAGE, $wgTitle->getDBkey() );
  96         }
  97
  98         switch( $wgTitle->getNamespace() ) {
  99         case NS_IMAGE:
 100                 require_once( "includes/ImagePage.php" );
 101                 $wgArticle = new ImagePage( $wgTitle );
 102                 break;
 103         case NS_CATEGORY:
 104                 if ( $wgUseCategoryMagic ) {
 105                         require_once( "includes/CategoryPage.php" );
 106                         $wgArticle = new CategoryPage( $wgTitle );
 107                         break;
 108                 }
 109                 # NO break if wgUseCategoryMagic is false, drop through to next (default).
 110                 # Don't insert other cases between NS_CATEGORY and default.
 111         default:
 112                 $wgArticle = new Article( $wgTitle );
 113         }
 114
 115         switch( $action ) {
 116                 case "view":
 117                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 118                         $wgArticle->view();
 119                         break;
 120                 case "watch":
 121                 case "unwatch":
 122                 case "delete":
 123                 case "revert":
 124                 case "rollback":
 125                 case "protect":
 126                 case "unprotect":
 127                 case "validate":
 128                 case "info":
 129                 case "markpatrolled":
 130                         $wgArticle->$action();
 131                         break;
 132                 case "print":
 133                         $wgArticle->view();
 134                         break;
 135                 case "dublincore":
 136                         if( !$wgEnableDublinCoreRdf ) {
 137                                 wfHttpError( 403, "Forbidden", wfMsg( "nodublincore" ) );
 138                         } else {
 139                                 require_once( "includes/Metadata.php" );
 140                                 wfDublinCoreRdf( $wgArticle );
 141                         }
 142                         break;
 143                 case "creativecommons":
 144                         if( !$wgEnableCreativeCommonsRdf ) {
 145                                 wfHttpError( 403, "Forbidden", wfMsg("nocreativecommons") );
 146                         } else {
 147                                 require_once( "includes/Metadata.php" );
 148                                 wfCreativeCommonsRdf( $wgArticle );
 149                         }
 150                         break;
 151                 case "credits":
 152                         require_once( "includes/Credits.php" );
 153                         showCreditsPage( $wgArticle );
 154                         break;
 155                 case "edit":
 156                 case "submit":
 157                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 158                                 User::SetupSession();
 159                         }
 160                         require_once( "includes/EditPage.php" );
 161                         $editor = new EditPage( $wgArticle );
 162                         $editor->submit();
 163                         break;
 164                 case "history":
 165                         if ($_SERVER["REQUEST_URI"] == $wgTitle->getInternalURL('action=history')) {
 166                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 167                         }
 168                         require_once( "includes/PageHistory.php" );
 169                         $history = new PageHistory( $wgArticle );
 170                         $history->history();
 171                         break;
 172                 case "raw":
 173                         require_once( "includes/RawPage.php" );
 174                         $raw = new RawPage( $wgArticle );
 175                         $raw->view();
 176                         break;
 177                 case "purge":
 178                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 179                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 180                         $wgTitle->invalidateCache();
 181                         $wgArticle->view();
 182                         break;
 183                 default:
 184                         $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 185         }
 186 }
 187 wfProfileOut( "main-action" );
 188
 189 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 190 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 191 # the client will wait until the script exits anyway before following the redirect.
 192 wfProfileIn( "main-updates" );
 193 foreach ( $wgDeferredUpdateList as $up ) {
 194         $up->doUpdate();
 195 }
 196 wfProfileOut( "main-updates" );
 197
 198 wfProfileIn( "main-cleanup" );
 199 $wgLoadBalancer->saveMasterPos();
 200
 201 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 202 $wgLoadBalancer->commitAll();
 203
 204 $wgOut->output();
 205 wfProfileOut( "main-cleanup" );
 206
 207 logProfilingData();
 208 $wgLoadBalancer->closeAll();
 209 wfDebug( "Request ended normally\n" );
 210 ?>