index.php

   1 <?php
   2
   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         die( "You'll have to <a href='config/index.php'>set the wiki up</a> first!" );
  11 }
  12 require_once( "./LocalSettings.php" );
  13
  14 if( $wgSitename == "MediaWiki" ) {
  15         die( "You must set the site name in \$wgSitename before installation.\n\n" );
  16 }
  17
  18 # PATH_SEPARATOR avaialble only from 4.3.0
  19 $sep = (DIRECTORY_SEPARATOR == "\\") ? ";" : ":";
  20 ini_set( "include_path", $IP . $sep . ini_get( "include_path" ) );
  21
  22 require_once( "Setup.php" );
  23
  24 wfProfileIn( "main-misc-setup" );
  25 OutputPage::setEncodings(); # Not really used yet
  26
  27 # Query string fields
  28 $action = $wgRequest->getVal( "action", "view" );
  29
  30 if( isset( $_SERVER['PATH_INFO'] ) && $wgUsePathInfo ) {
  31         $title = substr( $_SERVER['PATH_INFO'], 1 );
  32 } else {
  33         $title = $wgRequest->getVal( "title" );
  34 }
  35
  36 # Placeholders in case of DB error
  37 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  38 $wgArticle = new Article($wgTitle);
  39
  40 $action = strtolower( trim( $action ) );
  41 if ( "" == $action ) { $action = "view"; }
  42 if ($wgRequest->getVal( "printable" ) == "yes") {
  43         $wgOut->setPrintable();
  44 }
  45
  46 if ( "" == $title && "delete" != $action ) {
  47         $wgTitle = Title::newFromText( wfMsg( "mainpage" ) );
  48 } elseif ( $curid = $wgRequest->getInt( 'curid' ) ) {
  49         # URLs like this are generated by RC, because rc_title isn't always accurate
  50         $wgTitle = Title::newFromID( $curid );
  51 } else {
  52         $wgTitle = Title::newFromURL( $title );
  53 }
  54 wfProfileOut( "main-misc-setup" );
  55
  56 # If the user is not logged in, the Namespace:title of the article must be in the Read array in
  57 #  order for the user to see it.
  58 if ( !$wgUser->getID() && is_array( $wgWhitelistRead ) && $wgTitle) {
  59         if ( !in_array( $wgLang->getNsText( $wgTitle->getNamespace() ) . ":" . $wgTitle->getDBkey(), $wgWhitelistRead ) ) {
  60                 $wgOut->loginToUse();
  61                 $wgOut->output();
  62                 exit;
  63         }
  64 }
  65
  66 if ( $search = $wgRequest->getText( 'search' ) ) {
  67         $wgTitle = Title::makeTitle( NS_SPECIAL, "Search" );
  68         if( $wgRequest->getVal( 'fulltext' ) ) {
  69                 wfSearch( $search );
  70         } else {
  71                 wfGo( $search );
  72         }
  73 } else if( !$wgTitle or $wgTitle->getDBkey() == "" ) {
  74         $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  75         $wgOut->errorpage( "badtitle", "badtitletext" );
  76 } else if ( $wgTitle->getInterwiki() != "" ) {
  77         $url = $wgTitle->getFullURL();
  78         # Check for a redirect loop
  79         if ( !preg_match( "/^" . preg_quote( $wgServer ) . "/", $url ) && $wgTitle->isLocal() ) {
  80                 $wgOut->redirect( $url );
  81         } else {
  82                 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  83                 $wgOut->errorpage( "badtitle", "badtitletext" );
  84         }
  85 } else if ( ( $action == "view" ) && $wgTitle->getPrefixedDBKey() != $title ) {
  86         /* redirect to canonical url, make it a 301 to allow caching */
  87         $wgOut->redirect( $wgTitle->getFullURL(), '301');
  88 } else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {
  89         wfSpecialPage();
  90 } else {
  91         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
  92                 $wgTitle = Title::makeTitle( Namespace::getImage(), $wgTitle->getDBkey() );
  93         }
  94
  95         switch( $wgTitle->getNamespace() ) {
  96         case NS_IMAGE:
  97                 require_once( "ImagePage.php" );
  98                 $wgArticle = new ImagePage( $wgTitle );
  99                 break;
 100         default:
 101                 $wgArticle = new Article( $wgTitle );
 102         }
 103
 104         wfQuery("BEGIN", DB_WRITE);
 105         switch( $action ) {
 106                 case "view":
 107                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 108                         $wgArticle->view();
 109                         break;
 110                 case "watch":
 111                 case "unwatch":
 112                 case "delete":
 113                 case "revert":
 114                 case "rollback":
 115                 case "protect":
 116                 case "unprotect":
 117                         $wgArticle->$action();
 118                         break;
 119                 case "print":
 120                         $wgArticle->view();
 121                         break;
 122                 case "dublincore":
 123                         if( !$wgEnableDublinCoreRdf ) {
 124                                 wfHttpError( 403, "Forbidden", wfMsg( "nodublincore" ) );
 125                         } else {
 126                                 require_once( "Metadata.php" );
 127                                 wfDublinCoreRdf( $wgArticle );
 128                         }
 129                         break;
 130                 case "creativecommons":
 131                         if( !$wgEnableCreativeCommonsRdf ) {
 132                                 wfHttpError( 403, "Forbidden", wfMsg("nocreativecommons") );
 133                         } else {
 134                                 require_once( "Metadata.php" );
 135                                 wfCreativeCommonsRdf( $wgArticle );
 136                         }
 137                         break;
 138                 case "edit":
 139                 case "submit":
 140                         if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
 141                                 User::SetupSession();
 142                         }
 143                         require_once( "EditPage.php" );
 144                         $editor = new EditPage( $wgArticle );
 145                         $editor->$action();
 146                         break;
 147                 case "history":
 148                         if ($_SERVER["REQUEST_URI"] == $wgTitle->getInternalURL('action=history')) {
 149                                 $wgOut->setSquidMaxage( $wgSquidMaxage );
 150                         }
 151                         require_once( "PageHistory.php" );
 152                         $history = new PageHistory( $wgArticle );
 153                         $history->history();
 154                         break;
 155                 case "raw":
 156                         require_once( "RawPage.php" );
 157                         $raw = new RawPage( $wgArticle );
 158                         $raw->view();
 159                         break;
 160                 case "purge":
 161                         wfPurgeSquidServers(array($wgTitle->getInternalURL()));
 162                         $wgOut->setSquidMaxage( $wgSquidMaxage );
 163                         $wgArticle->view();
 164                         break;
 165                 default:
 166                         $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 167         }
 168         wfQuery("COMMIT", DB_WRITE);
 169 }
 170
 171 $wgOut->output();
 172
 173 foreach ( $wgDeferredUpdateList as $up ) { $up->doUpdate(); }
 174 logProfilingData();
 175 wfDebug( "Request ended normally\n" );
 176 ?>