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
  63 $search = $wgRequest->getText( 'search' );
  64 if( !$wgDisableInternalSearch && !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->setSquidMaxage( 1200 );
  86         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  87 } else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {
  88         # actions that need to be made when we have a special pages
  89         require_once( 'includes/SpecialPage.php' );
  90         if ( !$wgAllowSysopQueries ) {SpecialPage::removePage( 'Asksql' ); }
  91         SpecialPage::executePath( $wgTitle );
  92 } else {
  93         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
  94                 $wgTitle = Title::makeTitle( NS_IMAGE, $wgTitle->getDBkey() );
  95         }
  96
  97         switch( $wgTitle->getNamespace() ) {
  98         case NS_IMAGE:
  99                 require_once( "includes/ImagePage.php" );
 100                 $wgArticle = new ImagePage( $wgTitle );
 101                 break;
 102         case NS_CATEGORY:
 103                 if ( $wgUseCategoryMagic ) {
 104                         require_once( "includes/CategoryPage.php" );
 105                         $wgArticle = new CategoryPage( $wgTitle );
 106                         break;
 107                 }
 108                 # NO break if wgUseCategoryMagic is false, drop through to next (default).
 109                 # Don't insert other cases between NS_CATEGORY and default.
 110         default:
 111                 $wgArticle = new Article( $wgTitle );
 112         }
 113
 114         switch( $action ) {
 115                 case "view":
 116                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 117                         $wgArticle->view();
 118                         break;
 119                 case "watch":
 120                 case "unwatch":
 121                 case "delete":
 122                 case "revert":
 123                 case "rollback":
 124                 case "protect":
 125                 case "unprotect":
 126                 case "validate":
 127                 case "info":
 128                 case "markpatrolled":
 129                         $wgArticle->$action();
 130                         break;
 131                 case "print":
 132                         $wgArticle->view();
 133                         break;
 134                 case "dublincore":
 135                         if( !$wgEnableDublinCoreRdf ) {
 136                                 wfHttpError( 403, "Forbidden", wfMsg( "nodublincore" ) );
 137                         } else {
 138                                 require_once( "includes/Metadata.php" );
 139                                 wfDublinCoreRdf( $wgArticle );
 140                         }
 141                         break;
 142                 case "creativecommons":
 143                         if( !$wgEnableCreativeCommonsRdf ) {
 144                                 wfHttpError( 403, "Forbidden", wfMsg("nocreativecommons") );
 145                         } else {
 146                                 require_once( "includes/Metadata.php" );
 147                                 wfCreativeCommonsRdf( $wgArticle );
 148                         }
 149                         break;
 150                 case "credits":
 151                         require_once( "includes/Credits.php" );
 152                         showCreditsPage( $wgArticle );
 153                         break;
 154                 case "edit":
 155                 case "submit":
 156                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 157                                 User::SetupSession();
 158                         }
 159                         require_once( "includes/EditPage.php" );
 160                         $editor = new EditPage( $wgArticle );
 161                         $editor->submit();
 162                         break;
 163                 case "history":
 164                         if ($_SERVER["REQUEST_URI"] == $wgTitle->getInternalURL('action=history')) {
 165                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 166                         }
 167                         require_once( "includes/PageHistory.php" );
 168                         $history = new PageHistory( $wgArticle );
 169                         $history->history();
 170                         break;
 171                 case "raw":
 172                         require_once( "includes/RawPage.php" );
 173                         $raw = new RawPage( $wgArticle );
 174                         $raw->view();
 175                         break;
 176                 case "purge":
 177                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 178                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 179                         $wgTitle->invalidateCache();
 180                         $wgArticle->view();
 181                         break;
 182                 default:
 183                     if (wfRunHooks('UnknownAction', $action, $wgArticle)) {
 184                                 $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 185                         }
 186         }
 187 }
 188 wfProfileOut( "main-action" );
 189
 190 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 191 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 192 # the client will wait until the script exits anyway before following the redirect.
 193 wfProfileIn( "main-updates" );
 194 foreach ( $wgDeferredUpdateList as $up ) {
 195         $up->doUpdate();
 196 }
 197 wfProfileOut( "main-updates" );
 198
 199 wfProfileIn( "main-cleanup" );
 200 $wgLoadBalancer->saveMasterPos();
 201
 202 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 203 $wgLoadBalancer->commitAll();
 204
 205 $wgOut->output();
 206 wfProfileOut( "main-cleanup" );
 207
 208 logProfilingData();
 209 $wgLoadBalancer->closeAll();
 210 wfDebug( "Request ended normally\n" );
 211 ?>