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