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         if( $wgUseLatin1 ) {
  73                 # Conversion from UTF-8 may truncate or corrupt non-Latin links.
  74                 # Grab a fresh copy without doing the automated conversion checks.
  75                 $interwiki = Title::newFromUrl( $_REQUEST['title'] );
  76                 if( !is_null( $interwiki ) ) $wgTitle = $interwiki;
  77         }
  78         $url = $wgTitle->getFullURL();
  79         # Check for a redirect loop
  80         if ( !preg_match( '/^' . preg_quote( $wgServer, '/' ) . '/', $url ) && $wgTitle->isLocal() ) {
  81                 $wgOut->redirect( $url );
  82         } else {
  83                 $wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
  84                 $wgOut->errorpage( 'badtitle', 'badtitletext' );
  85         }
  86 } else if ( ( $action == 'view' ) &&
  87         (!isset( $_GET['title'] ) || $wgTitle->getPrefixedDBKey() != $_GET['title'] ) &&
  88         !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
  89 {
  90         /* redirect to canonical url, make it a 301 to allow caching */
  91         $wgOut->setSquidMaxage( 1200 );
  92         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  93 } else if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
  94         # actions that need to be made when we have a special pages
  95         require_once( 'includes/SpecialPage.php' );
  96         SpecialPage::executePath( $wgTitle );
  97 } else {
  98         if ( NS_MEDIA == $wgTitle->getNamespace() ) {
  99                 $wgTitle = Title::makeTitle( NS_IMAGE, $wgTitle->getDBkey() );
 100         }
 101
 102         switch( $wgTitle->getNamespace() ) {
 103         case NS_IMAGE:
 104                 require_once( 'includes/ImagePage.php' );
 105                 $wgArticle = new ImagePage( $wgTitle );
 106                 break;
 107         case NS_CATEGORY:
 108                 if ( $wgUseCategoryMagic ) {
 109                         require_once( 'includes/CategoryPage.php' );
 110                         $wgArticle = new CategoryPage( $wgTitle );
 111                         break;
 112                 }
 113                 # NO break if wgUseCategoryMagic is false, drop through to next (default).
 114                 # Don't insert other cases between NS_CATEGORY and default.
 115         default:
 116                 $wgArticle = new Article( $wgTitle );
 117         }
 118
 119         switch( $action ) {
 120                 case 'view':
 121                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 122                         $wgArticle->view();
 123                         break;
 124                 case 'watch':
 125                 case 'unwatch':
 126                 case 'delete':
 127                 case 'revert':
 128                 case 'rollback':
 129                 case 'protect':
 130                 case 'unprotect':
 131                 case 'info':
 132                 case 'markpatrolled':
 133                         $wgArticle->$action();
 134                         break;
 135                 case 'print':
 136                         $wgArticle->view();
 137                         break;
 138                 case 'dublincore':
 139                         if( !$wgEnableDublinCoreRdf ) {
 140                                 wfHttpError( 403, 'Forbidden', wfMsg( 'nodublincore' ) );
 141                         } else {
 142                                 require_once( 'includes/Metadata.php' );
 143                                 wfDublinCoreRdf( $wgArticle );
 144                         }
 145                         break;
 146                 case 'creativecommons':
 147                         if( !$wgEnableCreativeCommonsRdf ) {
 148                                 wfHttpError( 403, 'Forbidden', wfMsg('nocreativecommons') );
 149                         } else {
 150                                 require_once( 'includes/Metadata.php' );
 151                                 wfCreativeCommonsRdf( $wgArticle );
 152                         }
 153                         break;
 154                 case 'credits':
 155                         require_once( 'includes/Credits.php' );
 156                         showCreditsPage( $wgArticle );
 157                         break;
 158                 case 'submit':
 159                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 160                                 # Send a cookie so anons get talk message notifications
 161                                 User::SetupSession();
 162                         }
 163                         # Continue...
 164                 case 'edit':
 165                         require_once( 'includes/EditPage.php' );
 166                         $editor = new EditPage( $wgArticle );
 167                         $editor->submit();
 168                         break;
 169                 case 'history':
 170                         if ($_SERVER['REQUEST_URI'] == $wgTitle->getInternalURL('action=history')) {
 171                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 172                         }
 173                         require_once( 'includes/PageHistory.php' );
 174                         $history = new PageHistory( $wgArticle );
 175                         $history->history();
 176                         break;
 177                 case 'raw':
 178                         require_once( 'includes/RawPage.php' );
 179                         $raw = new RawPage( $wgArticle );
 180                         $raw->view();
 181                         break;
 182                 case 'purge':
 183                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 184                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 185                         $wgTitle->invalidateCache();
 186                         $wgArticle->view();
 187                         break;
 188                 default:
 189                     if (wfRunHooks('UnknownAction', $action, $wgArticle)) {
 190                                 $wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
 191                         }
 192         }
 193 }
 194 wfProfileOut( 'main-action' );
 195
 196 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 197 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 198 # the client will wait until the script exits anyway before following the redirect.
 199 wfProfileIn( 'main-updates' );
 200 foreach ( $wgDeferredUpdateList as $up ) {
 201         $up->doUpdate();
 202 }
 203 wfProfileOut( 'main-updates' );
 204
 205 wfProfileIn( 'main-cleanup' );
 206 $wgLoadBalancer->saveMasterPos();
 207
 208 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 209 $wgLoadBalancer->commitAll();
 210
 211 $wgOut->output();
 212 wfProfileOut( 'main-cleanup' );
 213
 214 logProfilingData();
 215 $wgLoadBalancer->closeAll();
 216 wfDebug( "Request ended normally\n" );
 217 ?>