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         if ( file_exists( 'config/LocalSettings.php' ) ) {
  11                 die( "To complete the installation, move <tt>config/LocalSettings.php</tt> to the parent directory.\n" );
  12         } else {
  13                 die( "You'll have to <a href='config/index.php'>set the wiki up</a> first!" );
  14         }
  15 }
  16
  17 # Valid web server entry point, enable includes.
  18 # Please don't move this line to includes/Defines.php. This line essentially defines
  19 # a valid entry point. If you put it in includes/Defines.php, then any script that includes
  20 # it becomes an entry point, thereby defeating its purpose.
  21 define( "MEDIAWIKI", true );
  22
  23 require_once( "./includes/Defines.php" );
  24 require_once( "./LocalSettings.php" );
  25 require_once( "includes/Setup.php" );
  26
  27 wfProfileIn( "main-misc-setup" );
  28 OutputPage::setEncodings(); # Not really used yet
  29
  30 # Query string fields
  31 $action = $wgRequest->getVal( "action", "view" );
  32 $title = $wgRequest->getVal( "title" );
  33
  34 # Placeholders in case of DB error
  35 $wgTitle = Title::newFromText( wfMsgForContent( "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( wfMsgForContent( "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 wfProfileIn( "main-action" );
  63 $search = $wgRequest->getText( 'search' );
  64 if( !is_null( $search ) && $search !== '' ) {
  65         require_once( 'includes/SpecialSearch.php' );
  66         $wgTitle = Title::makeTitle( NS_SPECIAL, "Search" );
  67         wfSpecialSearch();
  68 } else if( !$wgTitle or $wgTitle->getDBkey() == "" ) {
  69         $wgTitle = Title::newFromText( wfMsgForContent( "badtitle" ) );
  70         $wgOut->errorpage( "badtitle", "badtitletext" );
  71 } else if ( $wgTitle->getInterwiki() != "" ) {
  72         $url = $wgTitle->getFullURL();
  73         # Check for a redirect loop
  74         if ( !preg_match( "/^" . preg_quote( $wgServer, "/" ) . "/", $url ) && $wgTitle->isLocal() ) {
  75                 $wgOut->redirect( $url );
  76         } else {
  77                 $wgTitle = Title::newFromText( wfMsgForContent( "badtitle" ) );
  78                 $wgOut->errorpage( "badtitle", "badtitletext" );
  79         }
  80 } else if ( ( $action == "view" ) &&
  81         (!isset( $_GET['title'] ) || $wgTitle->getPrefixedDBKey() != $_GET['title'] ) &&
  82         !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
  83 {
  84         /* redirect to canonical url, make it a 301 to allow caching */
  85         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  86 } else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {
  87         # actions that need to be made when we have a special pages
  88         require_once( 'includes/SpecialPage.php' );
  89         if ( !$wgAllowSysopQueries ) {SpecialPage::removePage( 'Asksql' ); }
  90         SpecialPage::executePath( $wgTitle );
  91 } else {
  92         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
  93                 $wgTitle = Title::makeTitle( NS_IMAGE, $wgTitle->getDBkey() );
  94         }
  95
  96         switch( $wgTitle->getNamespace() ) {
  97         case NS_IMAGE:
  98                 require_once( "includes/ImagePage.php" );
  99                 $wgArticle = new ImagePage( $wgTitle );
 100                 break;
 101         case NS_CATEGORY:
 102                 if ( $wgUseCategoryMagic ) {
 103                         require_once( "includes/CategoryPage.php" );
 104                         $wgArticle = new CategoryPage( $wgTitle );
 105                         break;
 106                 }
 107                 # NO break if wgUseCategoryMagic is false, drop through to next (default).
 108                 # Don't insert other cases between NS_CATEGORY and default.
 109         default:
 110                 $wgArticle = new Article( $wgTitle );
 111         }
 112
 113         switch( $action ) {
 114                 case "view":
 115                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 116                         $wgArticle->view();
 117                         break;
 118                 case "watch":
 119                 case "unwatch":
 120                 case "delete":
 121                 case "revert":
 122                 case "rollback":
 123                 case "protect":
 124                 case "unprotect":
 125                 case "validate":
 126                 case "info":
 127                 case "markpatrolled":
 128                         $wgArticle->$action();
 129                         break;
 130                 case "print":
 131                         $wgArticle->view();
 132                         break;
 133                 case "dublincore":
 134                         if( !$wgEnableDublinCoreRdf ) {
 135                                 wfHttpError( 403, "Forbidden", wfMsg( "nodublincore" ) );
 136                         } else {
 137                                 require_once( "includes/Metadata.php" );
 138                                 wfDublinCoreRdf( $wgArticle );
 139                         }
 140                         break;
 141                 case "creativecommons":
 142                         if( !$wgEnableCreativeCommonsRdf ) {
 143                                 wfHttpError( 403, "Forbidden", wfMsg("nocreativecommons") );
 144                         } else {
 145                                 require_once( "includes/Metadata.php" );
 146                                 wfCreativeCommonsRdf( $wgArticle );
 147                         }
 148                         break;
 149                 case "credits":
 150                         require_once( "includes/Credits.php" );
 151                         showCreditsPage( $wgArticle );
 152                         break;
 153                 case "edit":
 154                 case "submit":
 155                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 156                                 User::SetupSession();
 157                         }
 158                         require_once( "includes/EditPage.php" );
 159                         $editor = new EditPage( $wgArticle );
 160                         $editor->submit();
 161                         break;
 162                 case "history":
 163                         if ($_SERVER["REQUEST_URI"] == $wgTitle->getInternalURL('action=history')) {
 164                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 165                         }
 166                         require_once( "includes/PageHistory.php" );
 167                         $history = new PageHistory( $wgArticle );
 168                         $history->history();
 169                         break;
 170                 case "raw":
 171                         require_once( "includes/RawPage.php" );
 172                         $raw = new RawPage( $wgArticle );
 173                         $raw->view();
 174                         break;
 175                 case "purge":
 176                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 177                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 178                         $wgTitle->invalidateCache();
 179                         $wgArticle->view();
 180                         break;
 181                 default:
 182                         $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 183         }
 184 }
 185 wfProfileOut( "main-action" );
 186
 187 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 188 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 189 # the client will wait until the script exits anyway before following the redirect.
 190 wfProfileIn( "main-updates" );
 191 foreach ( $wgDeferredUpdateList as $up ) {
 192         $up->doUpdate();
 193 }
 194 wfProfileOut( "main-updates" );
 195
 196 wfProfileIn( "main-cleanup" );
 197 $wgLoadBalancer->saveMasterPos();
 198
 199 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 200 $wgLoadBalancer->commitAll();
 201
 202 $wgOut->output();
 203 wfProfileOut( "main-cleanup" );
 204
 205 logProfilingData();
 206 $wgLoadBalancer->closeAll();
 207 wfDebug( "Request ended normally\n" );
 208 ?>