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='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 if( empty( $_REQUEST['action'] ) ) {
  64         $action = "view";
  65 } else {
  66         $action = $_REQUEST['action'];
  67 }
  68
  69 if( isset( $_SERVER['PATH_INFO'] ) ) {
  70         $title = substr( $_SERVER['PATH_INFO'], 1 );
  71 } elseif( !empty( $_REQUEST['title'] ) ) {
  72         $title = $_REQUEST['title'];
  73 } else {
  74         $title = "";
  75 }
  76
  77 # Placeholders in case of DB error
  78 $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
  79 $wgArticle = new Article($wgTitle);
  80
  81 $action = strtolower( trim( $action ) );
  82 if ( "" == $action ) { $action = "view"; }
  83 if ( !empty( $_REQUEST['printable'] ) && $_REQUEST['printable'] == "yes") {
  84         $wgOut->setPrintable();
  85 }
  86
  87 if ( "" == $title && "delete" != $action ) {
  88         $wgTitle = Title::newFromText( wfMsg( "mainpage" ) );
  89 } elseif ( !empty( $_REQUEST['curid'] ) ) {
  90         # URLs like this are generated by RC, because rc_title isn't always accurate
  91         $wgTitle = Title::newFromID( $_REQUEST['curid'] );
  92 } else {
  93         $wgTitle = Title::newFromURL( $title );
  94 }
  95 wfProfileOut( "main-misc-setup" );
  96
  97 # If the user is not logged in, the Namespace:title of the article must be in the Read array in
  98 #  order for the user to see it.
  99 if ( !$wgUser->getID() && is_array( $wgWhitelistRead ) && $wgTitle) {
 100         if ( !in_array( $wgLang->getNsText( $wgTitle->getNamespace() ) . ":" . $wgTitle->getDBkey(), $wgWhitelistRead ) ) {
 101                 $wgOut->loginToUse();
 102                 $wgOut->output();
 103                 exit;
 104         }
 105 }
 106
 107 if ( !empty( $_REQUEST['search'] ) ) {
 108         if( isset($_REQUEST['fulltext']) ) {
 109                 wfSearch( $_REQUEST['search'] );
 110         } else {
 111                 wfGo( $_REQUEST['search'] );
 112         }
 113 } else if( !$wgTitle or $wgTitle->getInterwiki() != "" or $wgTitle->getDBkey() == "" ) {
 114         $wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
 115         $wgOut->errorpage( "badtitle", "badtitletext" );
 116 } else if ( ( $action == "view" ) && $wgTitle->getPrefixedDBKey() != $title ) {
 117         /* redirect to canonical url, make it a 301 to allow caching */
 118         $wgOut->redirect( wfLocalUrl( $wgTitle->getPrefixedURL() ), '301');
 119 } else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {
 120         wfSpecialPage();
 121 } else {
 122         if ( Namespace::getMedia() == $wgTitle->getNamespace() ) {
 123                 $wgTitle = Title::makeTitle( Namespace::getImage(), $wgTitle->getDBkey() );
 124         }
 125
 126         switch( $wgTitle->getNamespace() ) {
 127         case 6:
 128                 include_once( "ImagePage.php" );
 129                 $wgArticle = new ImagePage( $wgTitle );
 130                 break;
 131         default:
 132                 $wgArticle = new Article( $wgTitle );
 133         }
 134
 135         wfQuery("BEGIN", DB_WRITE);
 136         switch( $action ) {
 137                 case "view":
 138                 case "watch":
 139                 case "unwatch":
 140                 case "delete":
 141                 case "revert":
 142                 case "rollback":
 143                 case "protect":
 144                 case "unprotect":
 145                         $wgArticle->$action();
 146                         break;
 147                 case "print":
 148                         $wgArticle->view();
 149                         break;
 150                 case "edit":
 151                 case "submit":
 152                         if( !$wgCommandLineMode && !isset( $_COOKIE[ini_get("session.name")] ) ) {
 153                                 User::SetupSession();
 154                         }
 155                         include_once( "EditPage.php" );
 156                         $editor = new EditPage( $wgArticle );
 157                         $editor->$action();
 158                         break;
 159                 case "history":
 160                         include_once( "PageHistory.php" );
 161                         $history = new PageHistory( $wgArticle );
 162                         $history->history();
 163                         break;
 164                 default:
 165                         $wgOut->errorpage( "nosuchaction", "nosuchactiontext" );
 166         }
 167         wfQuery("COMMIT", DB_WRITE);
 168 }
 169
 170 $wgOut->output();
 171 foreach ( $wgDeferredUpdateList as $up ) { $up->doUpdate(); }
 172 logProfilingData();
 173 wfDebug( "Request ended normally\n" );
 174 ?>