index.php

   1 <?php
   2
   3 #apd_set_pprof_trace();
   4 # Main wiki script; see design.doc
   5 #
   6 $wgRequestTime = microtime();
   7
   8 unset( $IP );
   9 @ini_set( 'allow_url_fopen', 0 ); # For security...
  10 if( !file_exists( 'LocalSettings.php' ) ) {
  11         if ( file_exists( 'config/LocalSettings.php' ) ) {
  12                 die( "To complete the installation, move <tt>config/LocalSettings.php</tt> to the parent directory.\n" );
  13         } else {
  14                 die( "You'll have to <a href='config/index.php'>set the wiki up</a> first!" );
  15         }
  16 }
  17
  18 # Valid web server entry point, enable includes.
  19 # Please don't move this line to includes/Defines.php. This line essentially defines
  20 # a valid entry point. If you put it in includes/Defines.php, then any script that includes
  21 # it becomes an entry point, thereby defeating its purpose.
  22 define( 'MEDIAWIKI', true );
  23
  24 require_once( './includes/Defines.php' );
  25 require_once( './LocalSettings.php' );
  26 require_once( 'includes/Setup.php' );
  27
  28 wfProfileIn( 'main-misc-setup' );
  29 OutputPage::setEncodings(); # Not really used yet
  30
  31 # Query string fields
  32 $action = $wgRequest->getVal( 'action', 'view' );
  33 $title = $wgRequest->getVal( 'title' );
  34
  35 $action = strtolower( trim( $action ) );
  36 if ($wgRequest->getVal( 'printable' ) == 'yes') {
  37         $wgOut->setPrintable();
  38 }
  39
  40 if ( '' == $title && 'delete' != $action ) {
  41         $wgTitle = Title::newFromText( wfMsgForContent( 'mainpage' ) );
  42 } elseif ( $curid = $wgRequest->getInt( 'curid' ) ) {
  43         # URLs like this are generated by RC, because rc_title isn't always accurate
  44         $wgTitle = Title::newFromID( $curid );
  45 } else {
  46         $wgTitle = Title::newFromURL( $title );
  47 }
  48 wfProfileOut( 'main-misc-setup' );
  49
  50 # Debug statement for user levels
  51 // print_r($wgUser);
  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
  64 $search = $wgRequest->getText( 'search' );
  65 if( !$wgDisableInternalSearch && !is_null( $search ) && $search !== '' ) {
  66         require_once( 'includes/SpecialSearch.php' );
  67         $wgTitle = Title::makeTitle( NS_SPECIAL, 'Search' );
  68         wfSpecialSearch();
  69 } else if( !$wgTitle or $wgTitle->getDBkey() == '' ) {
  70         $wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
  71         $wgOut->errorpage( 'badtitle', 'badtitletext' );
  72 } else if ( $wgTitle->getInterwiki() != '' ) {
  73         if( $wgUseLatin1 ) {
  74                 # Conversion from UTF-8 may truncate or corrupt non-Latin links.
  75                 # Grab a fresh copy without doing the automated conversion checks.
  76                 $interwiki = Title::newFromUrl( $_REQUEST['title'] );
  77                 if( !is_null( $interwiki ) ) $wgTitle = $interwiki;
  78         }
  79         $url = $wgTitle->getFullURL();
  80         # Check for a redirect loop
  81         if ( !preg_match( '/^' . preg_quote( $wgServer, '/' ) . '/', $url ) && $wgTitle->isLocal() ) {
  82                 $wgOut->redirect( $url );
  83         } else {
  84                 $wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
  85                 $wgOut->errorpage( 'badtitle', 'badtitletext' );
  86         }
  87 } else if ( ( $action == 'view' ) &&
  88         (!isset( $_GET['title'] ) || $wgTitle->getPrefixedDBKey() != $_GET['title'] ) &&
  89         !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
  90 {
  91         /* redirect to canonical url, make it a 301 to allow caching */
  92         $wgOut->setSquidMaxage( 1200 );
  93         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  94 } else if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
  95         # actions that need to be made when we have a special pages
  96         require_once( 'includes/SpecialPage.php' );
  97         SpecialPage::executePath( $wgTitle );
  98 } else {
  99         if ( NS_MEDIA == $wgTitle->getNamespace() ) {
 100                 $wgTitle = Title::makeTitle( NS_IMAGE, $wgTitle->getDBkey() );
 101         }
 102
 103         switch( $wgTitle->getNamespace() ) {
 104         case NS_IMAGE:
 105                 require_once( 'includes/ImagePage.php' );
 106                 $wgArticle = new ImagePage( $wgTitle );
 107                 break;
 108         case NS_CATEGORY:
 109                 if ( $wgUseCategoryMagic ) {
 110                         require_once( 'includes/CategoryPage.php' );
 111                         $wgArticle = new CategoryPage( $wgTitle );
 112                         break;
 113                 }
 114                 # NO break if wgUseCategoryMagic is false, drop through to next (default).
 115                 # Don't insert other cases between NS_CATEGORY and default.
 116         default:
 117                 $wgArticle = new Article( $wgTitle );
 118         }
 119
 120         switch( $action ) {
 121                 case 'view':
 122                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 123                         $wgArticle->view();
 124                         break;
 125                 case 'watch':
 126                 case 'unwatch':
 127                 case 'delete':
 128                 case 'revert':
 129                 case 'rollback':
 130                 case 'protect':
 131                 case 'unprotect':
 132                 case 'info':
 133                 case 'markpatrolled':
 134                         $wgArticle->$action();
 135                         break;
 136                 case 'print':
 137                         $wgArticle->view();
 138                         break;
 139                 case 'dublincore':
 140                         if( !$wgEnableDublinCoreRdf ) {
 141                                 wfHttpError( 403, 'Forbidden', wfMsg( 'nodublincore' ) );
 142                         } else {
 143                                 require_once( 'includes/Metadata.php' );
 144                                 wfDublinCoreRdf( $wgArticle );
 145                         }
 146                         break;
 147                 case 'creativecommons':
 148                         if( !$wgEnableCreativeCommonsRdf ) {
 149                                 wfHttpError( 403, 'Forbidden', wfMsg('nocreativecommons') );
 150                         } else {
 151                                 require_once( 'includes/Metadata.php' );
 152                                 wfCreativeCommonsRdf( $wgArticle );
 153                         }
 154                         break;
 155                 case 'credits':
 156                         require_once( 'includes/Credits.php' );
 157                         showCreditsPage( $wgArticle );
 158                         break;
 159                 case 'submit':
 160                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 161                                 # Send a cookie so anons get talk message notifications
 162                                 User::SetupSession();
 163                         }
 164                         # Continue...
 165                 case 'edit':
 166                         require_once( 'includes/EditPage.php' );
 167                         $editor = new EditPage( $wgArticle );
 168                         $editor->submit();
 169                         break;
 170                 case 'history':
 171                         if ($_SERVER['REQUEST_URI'] == $wgTitle->getInternalURL('action=history')) {
 172                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 173                         }
 174                         require_once( 'includes/PageHistory.php' );
 175                         $history = new PageHistory( $wgArticle );
 176                         $history->history();
 177                         break;
 178                 case 'raw':
 179                         require_once( 'includes/RawPage.php' );
 180                         $raw = new RawPage( $wgArticle );
 181                         $raw->view();
 182                         break;
 183                 case 'purge':
 184                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 185                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 186                         $wgTitle->invalidateCache();
 187                         $wgArticle->view();
 188                         break;
 189                 default:
 190                     if (wfRunHooks('UnknownAction', $action, $wgArticle)) {
 191                                 $wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
 192                         }
 193         }
 194 }
 195 wfProfileOut( 'main-action' );
 196
 197 # Deferred updates aren't really deferred anymore. It's important to report errors to the
 198 # user, and that means doing this before OutputPage::output(). Note that for page saves,
 199 # the client will wait until the script exits anyway before following the redirect.
 200 wfProfileIn( 'main-updates' );
 201 foreach ( $wgDeferredUpdateList as $up ) {
 202         $up->doUpdate();
 203 }
 204 wfProfileOut( 'main-updates' );
 205
 206 wfProfileIn( 'main-cleanup' );
 207 $wgLoadBalancer->saveMasterPos();
 208
 209 # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
 210 $wgLoadBalancer->commitAll();
 211
 212 $wgOut->output();
 213
 214 foreach ( $wgPostCommitUpdateList as $up ) {
 215         $up->doUpdate();
 216 }
 217
 218 wfProfileOut( 'main-cleanup' );
 219
 220 logProfilingData();
 221 $wgLoadBalancer->closeAll();
 222 wfDebug( "Request ended normally\n" );
 223 ?>