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 '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( $wgArticle );
 152                         break;
 153                 case 'submit':
 154                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 155                                 # Send a cookie so anons get talk message notifications
 156                                 User::SetupSession();
 157                         }
 158                         # Continue...
 159                 case 'edit':
 160                         require_once( 'includes/EditPage.php' );
 161                         $editor = new EditPage( $wgArticle );
 162                         $editor->submit();
 163                         break;
 164                 case 'history':
 165                         if ($_SERVER['REQUEST_URI'] == $wgTitle->getInternalURL('action=history')) {
 166                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 167                         }
 168                         require_once( 'includes/PageHistory.php' );
 169                         $history = new PageHistory( $wgArticle );
 170                         $history->history();
 171                         break;
 172                 case 'raw':
 173                         require_once( 'includes/RawPage.php' );
 174                         $raw = new RawPage( $wgArticle );
 175                         $raw->view();
 176                         break;
 177                 case 'purge':
 178                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 179                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 180                         $wgTitle->invalidateCache();
 181                         $wgArticle->view();
 182                         break;
 183                 default:
 184                     if (wfRunHooks('UnknownAction', $action, $wgArticle)) {
 185                                 $wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
 186                         }
 187         }
 188 }
 189 wfProfileOut( 'main-action' );
 190
 191 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 192 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 193 # the client will wait until the script exits anyway before following the redirect.
 194 wfProfileIn( 'main-updates' );
 195 foreach ( $wgDeferredUpdateList as $up ) {
 196         $up->doUpdate();
 197 }
 198 wfProfileOut( 'main-updates' );
 199
 200 wfProfileIn( 'main-cleanup' );
 201 $wgLoadBalancer->saveMasterPos();
 202
 203 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 204 $wgLoadBalancer->commitAll();
 205
 206 $wgOut->output();
 207 wfProfileOut( 'main-cleanup' );
 208
 209 logProfilingData();
 210 $wgLoadBalancer->closeAll();
 211 wfDebug( "Request ended normally\n" );
 212 ?>