index.php

   1 <?php
   2 # Main wiki script; see design.doc
   3 #
   4 $wgRequestTime = microtime();
   5
   6 ## Enable this to debug total elimination of register_globals
   7 #define( "DEBUG_GLOBALS", 1 );
   8
   9 if( defined('DEBUG_GLOBALS') ) error_reporting(E_ALL);
  10
  11 function &fix_magic_quotes( &$arr ) {
  12         foreach( $arr as $key => $val ) {
  13                 if( is_array( $val ) ) {
  14                         fix_magic_quotes( $arr[$key] );
  15                 } else {
  16                         $arr[$key] = stripslashes( $val );
  17                 }
  18         }
  19         return $arr;
  20 }
  21
  22 if ( get_magic_quotes_gpc() ) {
  23         fix_magic_quotes( $_COOKIE );
  24         fix_magic_quotes( $_ENV );
  25         fix_magic_quotes( $_GET );
  26         fix_magic_quotes( $_POST );
  27         fix_magic_quotes( $_REQUEST );
  28         fix_magic_quotes( $_SERVER );
  29 } elseif( defined('DEBUG_GLOBALS') ) {
  30         die("DEBUG_GLOBALS: turn on magic_quotes_gpc" );
  31 }
  32
  33 if( defined('DEBUG_GLOBALS') ) {
  34         if( ini_get( "register_globals" ) ) {
  35                 die( "DEBUG_GLOBALS: turn off register_globals" );
  36         }
  37 } elseif( !ini_get( "register_globals" ) ) {
  38         # Insecure, but at least it'll run
  39         import_request_variables( "GPC" );
  40 }
  41
  42 unset( $IP );
  43 ini_set( "allow_url_fopen", 0 ); # For security...
  44 if(!file_exists("LocalSettings.php")) {
  45         die( "You'll have to <a href='$wgScriptPath/config/index.php'>set the wiki up</a> first!" );
  46 }
  47 include_once( "./LocalSettings.php" );
  48
  49 if( $wgSitename == "MediaWiki" ) {
  50         die( "You must set the site name in \$wgSitename before installation.\n\n" );
  51 }
  52
  53 # PATH_SEPARATOR avaialble only from 4.3.0
  54 $sep = (DIRECTORY_SEPARATOR == "\\") ? ";" : ":";
  55 ini_set( "include_path", $IP . $sep . ini_get( "include_path" ) );
  56
  57 include_once( "Setup.php" );
  58
  59 wfProfileIn( "main-misc-setup" );
  60 OutputPage::setEncodings(); # Not really used yet
  61
  62 # Query string fields
  63 #
  64 #global $action, $title, $search, $go, $target, $printable;
  65 #global $returnto, $diff, $oldid, $curid;
  66
  67 $action = $_REQUEST['action'];
  68 if( isset( $_SERVER['PATH_INFO'] ) ) {
  69         $title = substr( $_SERVER['PATH_INFO'], 1 );
  70 } else {
  71         $title = $_REQUEST['title'];
  72 }
  73
  74 # Placeholders in case of DB error
  75 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  76 $wgArticle = new Article($wgTitle);
  77
  78 $action = strtolower( trim( $action ) );
  79 if ( "" == $action ) { $action = "view"; }
  80 if ( !empty( $_REQUEST['printable'] ) && $_REQUEST['printable'] == "yes") {
  81         $wgOut->setPrintable();
  82 }
  83
  84 if ( "" == $title && "delete" != $action ) {
  85         $wgTitle = Title::newFromText( wfMsg( "mainpage" ) );
  86 } elseif ( !empty( $_REQUEST['curid'] ) ) {
  87         # URLs like this are generated by RC, because rc_title isn't always accurate
  88         $wgTitle = Title::newFromID( $_REQUEST['curid'] );
  89 } else {
  90         $wgTitle = Title::newFromURL( $title );
  91 }
  92 wfProfileOut( "main-misc-setup" );
  93
  94 # If the user is not logged in, the Namespace:title of the article must be in the Read array in
  95 #  order for the user to see it.
  96 if ( !$wgUser->getID() && is_array( $wgWhitelistRead ) && $wgTitle) {
  97         if ( !in_array( $wgLang->getNsText( $wgTitle->getNamespace() ) . ":" . $wgTitle->getDBkey(), $wgWhitelistRead ) ) {
  98                 $wgOut->loginToUse();
  99                 $wgOut->output();
 100                 exit;
 101         }
 102 }
 103
 104 if ( !empty( $_REQUEST['search'] ) ) {
 105         if( isset($_REQUEST['fulltext']) ) {
 106                 wfSearch( $_REQUEST['search'] );
 107         } else {
 108                 wfGo( $_REQUEST['search'] );
 109         }
 110 } else if( !$wgTitle or $wgTitle->getInterwiki() != "" or $wgTitle->getDBkey() == "" ) {
 111         $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
 112         $wgOut->errorpage( "badtitle", "badtitletext" );
 113 } else if ( ( $action == "view" ) && $wgTitle->getPrefixedDBKey() != $title ) {
 114         /* redirect to canonical url, make it a 301 to allow caching */
 115         $wgOut->redirect( wfLocalUrl( $wgTitle->getPrefixedURL() ), '301');
 116 } else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {
 117         wfSpecialPage();
 118 } else {
 119         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
 120                 $wgTitle = Title::makeTitle( Namespace::getImage(), $wgTitle->getDBkey() );
 121         }
 122
 123         switch( $wgTitle->getNamespace() ) {
 124         case 6:
 125                 include_once( "ImagePage.php" );
 126                 $wgArticle = new ImagePage( $wgTitle );
 127                 break;
 128         default:
 129                 $wgArticle = new Article( $wgTitle );
 130         }
 131
 132         wfQuery("BEGIN", DB_WRITE);
 133         switch( $action ) {
 134                 case "view":
 135                 case "watch":
 136                 case "unwatch":
 137                 case "delete":
 138                 case "revert":
 139                 case "rollback":
 140                 case "protect":
 141                 case "unprotect":
 142                         $wgArticle->$action();
 143                         break;
 144                 case "print":
 145                         $wgArticle->view();
 146                         break;
 147                 case "edit":
 148                 case "submit":
 149                         if( !$wgCommandLineMode && !isset( $_COOKIE[ini_get("session.name")] ) ) {
 150                                 User::SetupSession();
 151                         }
 152                         include_once( "EditPage.php" );
 153                         $editor = new EditPage( $wgArticle );
 154                         $editor->$action();
 155                         break;
 156                 case "history":
 157                         include_once( "PageHistory.php" );
 158                         $history = new PageHistory( $wgArticle );
 159                         $history->history();
 160                         break;
 161                 default:
 162                         $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 163         }
 164         wfQuery("COMMIT", DB_WRITE);
 165 }
 166
 167 $wgOut->output();
 168 foreach ( $wgDeferredUpdateList as $up ) { $up->doUpdate(); }
 169 logProfilingData();
 170 wfDebug( "Request ended normally\n" );
 171 ?>