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( $_SERVER['PATH_INFO'], 1 );
  31         if( !$wgUseLatin1 ) {
  32                 require_once( 'includes/normal/UtfNormal.php' );
  33                 $title = UtfNormal::toNFC( $title );
  34         }
  35 } else {
  36         $title = $wgRequest->getVal( "title" );
  37 }
  38
  39 # Placeholders in case of DB error
  40 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  41 $wgArticle = new Article($wgTitle);
  42
  43 $action = strtolower( trim( $action ) );
  44 if ($wgRequest->getVal( "printable" ) == "yes") {
  45         $wgOut->setPrintable();
  46 }
  47
  48 if ( "" == $title && "delete" != $action ) {
  49         $wgTitle = Title::newFromText( wfMsg( "mainpage" ) );
  50 } elseif ( $curid = $wgRequest->getInt( 'curid' ) ) {
  51         # URLs like this are generated by RC, because rc_title isn't always accurate
  52         $wgTitle = Title::newFromID( $curid );
  53 } else {
  54         $wgTitle = Title::newFromURL( $title );
  55 }
  56 wfProfileOut( "main-misc-setup" );
  57
  58 # If the user is not logged in, the Namespace:title of the article must be in
  59 # the Read array in order for the user to see it. (We have to check here to
  60 # catch special pages etc. We check again in Article::view())
  61 if ( !is_null( $wgTitle ) && !$wgTitle->userCanRead() ) {
  62         $wgOut->loginToUse();
  63         $wgOut->output();
  64         exit;
  65 }
  66
  67 wfProfileIn( "main-action" );
  68 $search = $wgRequest->getText( 'search' );
  69 if( !is_null( $search ) && $search !== '' ) {
  70         require_once( 'SearchEngine.php' );
  71         $wgTitle = Title::makeTitle( NS_SPECIAL, "Search" );
  72         $searchEngine = new SearchEngine( $search );
  73         if( $wgRequest->getVal( 'fulltext' ) ||
  74                 !is_null( $wgRequest->getVal( 'offset' ) ) ||
  75                 !is_null ($wgRequest->getVal( 'searchx' ) ) ) {
  76                 $searchEngine->showResults();
  77         } else {
  78                 $searchEngine->goResult();
  79         }
  80 } else if( !$wgTitle or $wgTitle->getDBkey() == "" ) {
  81         $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  82         $wgOut->errorpage( "badtitle", "badtitletext" );
  83 } else if ( $wgTitle->getInterwiki() != "" ) {
  84         $url = $wgTitle->getFullURL();
  85         # Check for a redirect loop
  86         if ( !preg_match( "/^" . preg_quote( $wgServer, "/" ) . "/", $url ) && $wgTitle->isLocal() ) {
  87                 $wgOut->redirect( $url );
  88         } else {
  89                 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  90                 $wgOut->errorpage( "badtitle", "badtitletext" );
  91         }
  92 } else if ( ( $action == "view" ) && $wgTitle->getPrefixedDBKey() != $title &&
  93   !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
  94 {
  95         /* redirect to canonical url, make it a 301 to allow caching */
  96         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  97 } else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {
  98         # actions that need to be made when we have a special pages
  99         require_once( 'includes/SpecialPage.php' );
 100         if ( !$wgAllowSysopQueries ) {SpecialPage::removePage( 'Asksql' ); }
 101         SpecialPage::executePath( $wgTitle );
 102 } else {
 103         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
 104                 $wgTitle = Title::makeTitle( NS_IMAGE, $wgTitle->getDBkey() );
 105         }
 106
 107         switch( $wgTitle->getNamespace() ) {
 108         case NS_IMAGE:
 109                 require_once( "includes/ImagePage.php" );
 110                 $wgArticle = new ImagePage( $wgTitle );
 111                 break;
 112         case NS_CATEGORY:
 113                 if ( $wgUseCategoryMagic ) {
 114                         require_once( "includes/CategoryPage.php" );
 115                         $wgArticle = new CategoryPage( $wgTitle );
 116                         break;
 117                 }
 118                 # NO break if wgUseCategoryMagic is false, drop through to next (default).
 119                 # Don't insert other cases between NS_CATEGORY and default.
 120         default:
 121                 $wgArticle = new Article( $wgTitle );
 122         }
 123
 124         switch( $action ) {
 125                 case "view":
 126                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 127                         $wgArticle->view();
 128                         break;
 129                 case "watch":
 130                 case "unwatch":
 131                 case "delete":
 132                 case "revert":
 133                 case "rollback":
 134                 case "protect":
 135                 case "unprotect":
 136                 case "validate":
 137                 case "info":
 138                 case "markpatrolled":
 139                         $wgArticle->$action();
 140                         break;
 141                 case "print":
 142                         $wgArticle->view();
 143                         break;
 144                 case "dublincore":
 145                         if( !$wgEnableDublinCoreRdf ) {
 146                                 wfHttpError( 403, "Forbidden", wfMsg( "nodublincore" ) );
 147                         } else {
 148                                 require_once( "includes/Metadata.php" );
 149                                 wfDublinCoreRdf( $wgArticle );
 150                         }
 151                         break;
 152                 case "creativecommons":
 153                         if( !$wgEnableCreativeCommonsRdf ) {
 154                                 wfHttpError( 403, "Forbidden", wfMsg("nocreativecommons") );
 155                         } else {
 156                                 require_once( "includes/Metadata.php" );
 157                                 wfCreativeCommonsRdf( $wgArticle );
 158                         }
 159                         break;
 160                 case "credits":
 161                         require_once( "includes/Credits.php" );
 162                         showCreditsPage( $wgArticle );
 163                         break;
 164                 case "edit":
 165                 case "submit":
 166                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 167                                 User::SetupSession();
 168                         }
 169                         require_once( "includes/EditPage.php" );
 170                         $editor = new EditPage( $wgArticle );
 171                         $editor->submit();
 172                         break;
 173                 case "history":
 174                         if ($_SERVER["REQUEST_URI"] == $wgTitle->getInternalURL('action=history')) {
 175                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 176                         }
 177                         require_once( "includes/PageHistory.php" );
 178                         $history = new PageHistory( $wgArticle );
 179                         $history->history();
 180                         break;
 181                 case "raw":
 182                         require_once( "includes/RawPage.php" );
 183                         $raw = new RawPage( $wgArticle );
 184                         $raw->view();
 185                         break;
 186                 case "purge":
 187                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 188                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 189                         $wgTitle->invalidateCache();
 190                         $wgArticle->view();
 191                         break;
 192                 default:
 193                         $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 194         }
 195 }
 196 wfProfileOut( "main-action" );
 197
 198 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 199 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 200 # the client will wait until the script exits anyway before following the redirect.
 201 wfProfileIn( "main-updates" );
 202 foreach ( $wgDeferredUpdateList as $up ) {
 203         $up->doUpdate();
 204 }
 205 wfProfileOut( "main-updates" );
 206
 207 wfProfileIn( "main-cleanup" );
 208 $wgLoadBalancer->saveMasterPos();
 209
 210 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 211 $wgLoadBalancer->commitAll();
 212
 213 $wgOut->output();
 214 wfProfileOut( "main-cleanup" );
 215
 216 logProfilingData();
 217 $wgLoadBalancer->closeAll();
 218 wfDebug( "Request ended normally\n" );
 219 ?>