includes/Wiki.php

   1 <?php
   2 /**
   3  * MediaWiki is the to-be base class for this whole project
   4  */
   5
   6 class MediaWiki {
   7
   8         var $GET ; # Stores the $_GET variables at time of creation, can be changed
   9         var $params = array();
  10
  11         /**
  12          * Constructor
  13          */
  14         function MediaWiki () {
  15                 $this->GET = $_GET ;
  16         }
  17
  18         function setVal( $key, &$value ) {
  19                 $this->param[strtolower( $key )] = $value;
  20         }
  21
  22         function getVal( $key, $default = "" ) {
  23                 $key = strtolower( $key );
  24                 if( isset( $this->params[$key] ) ) {
  25                         return $this->params[$key];
  26                 }
  27                 return $default;
  28         }
  29
  30         /**
  31          * Initialize the object to be known as $wgArticle for special cases
  32          */
  33         function initializeSpecialCases ( &$title , &$output , $request , $action ) {
  34                 if ( $title->getInterwiki() != '' ) {
  35                         if( $rdfrom = $request->getVal( 'rdfrom' ) ) {
  36                                 $url = $title->getFullURL( 'rdfrom=' . urlencode( $rdfrom ) );
  37                         } else {
  38                                 $url = $title->getFullURL();
  39                         }
  40                         # Check for a redirect loop
  41                         if ( !preg_match( '/^' . preg_quote( $this->getVal('Server'), '/' ) . '/', $url ) && $title->isLocal() ) {
  42                                 $output->redirect( $url );
  43                         } else {
  44                                 $title = Title::newFromText( wfMsgForContent( 'badtitle' ) );
  45                                 $output->errorpage( 'badtitle', 'badtitletext' );
  46                         }
  47                 } else if ( ( $action == 'view' ) &&
  48                         (!isset( $this->GET['title'] ) || $title->getPrefixedDBKey() != $this->GET['title'] ) &&
  49                         !count( array_diff( array_keys( $this->GET ), array( 'action', 'title' ) ) ) )
  50                 {
  51                         /* Redirect to canonical url, make it a 301 to allow caching */
  52                         $output->setSquidMaxage( 1200 );
  53                         $output->redirect( $title->getFullURL(), '301');
  54                 } else if ( NS_SPECIAL == $title->getNamespace() ) {
  55                         # actions that need to be made when we have a special pages
  56                         SpecialPage::executePath( $title );
  57                 } else {
  58                         /* No match to special cases */
  59                         return false;
  60                 }
  61                 /* Did match a special case */
  62                 return true;
  63         }
  64
  65         /**
  66          * Initialize the object to be known as $wgArticle for "standard" actions
  67          */
  68         function initializeArticle( &$title, $request, $action ) {
  69                 if( NS_MEDIA == $title->getNamespace() ) {
  70                         $title = Title::makeTitle( NS_IMAGE, $title->getDBkey() );
  71                 }
  72
  73                 $ns = $title->getNamespace();
  74
  75                 /* Namespace might change when using redirects */
  76                 $article = new Article( $title );
  77                 if( $action == 'view' && !$request->getVal( 'oldid' ) ) {
  78                         $rTitle = Title::newFromRedirect( $article->fetchContent() );
  79                         if( $rTitle ) {
  80                                 # Reload from the page pointed to later
  81                                 $article->mContentLoaded = false;
  82                                 $ns = $rTitle->getNamespace();
  83                                 $wasRedirected = true;
  84                                 }
  85                 }
  86
  87                 /* Categories and images are handled by a different class */
  88                 if( $ns == NS_IMAGE ) {
  89                         $b4 = $title->getPrefixedText();
  90                         unset( $article );
  91                         require_once( 'includes/ImagePage.php' );
  92                         $article = new ImagePage( $title );
  93                         if( isset( $wasRedirected ) && $request->getVal( 'redirect' ) != 'no' ) {
  94                                 $article->mTitle = $rTitle;
  95                                 $article->mRedirectedFrom = $b4;
  96                         }
  97                 } elseif( $ns == NS_CATEGORY ) {
  98                         unset( $article );
  99                         require_once( 'includes/CategoryPage.php' );
 100                         $article = new CategoryPage( $title );
 101                 }
 102                 return $article;
 103         }
 104
 105         /**
 106          * Perform one of the "standard" actions
 107          */
 108         function performAction( $action, &$output, &$article, &$title, &$user, &$request ) {
 109                 switch( $action ) {
 110                         case 'view':
 111                                 $output->setSquidMaxage( $this->getVal( 'SquidMaxage' ) );
 112                                 $article->view();
 113                                 break;
 114                         case 'watch':
 115                         case 'unwatch':
 116                         case 'delete':
 117                         case 'revert':
 118                         case 'rollback':
 119                         case 'protect':
 120                         case 'unprotect':
 121                         case 'info':
 122                         case 'markpatrolled':
 123                         case 'validate':
 124                         case 'render':
 125                         case 'deletetrackback':
 126                         case 'purge':
 127                                 $article->$action();
 128                                 break;
 129                         case 'print':
 130                                 $article->view();
 131                                 break;
 132                         case 'dublincore':
 133                                 if( !$this->getVal( 'EnableDublinCoreRdf' ) ) {
 134                                         wfHttpError( 403, 'Forbidden', wfMsg( 'nodublincore' ) );
 135                                 } else {
 136                                         require_once( 'includes/Metadata.php' );
 137                                         wfDublinCoreRdf( $article );
 138                                 }
 139                                 break;
 140                         case 'creativecommons':
 141                                 if( !$this->getVal( 'EnableCreativeCommonsRdf' ) ) {
 142                                         wfHttpError( 403, 'Forbidden', wfMsg( 'nocreativecommons' ) );
 143                                 } else {
 144                                         require_once( 'includes/Metadata.php' );
 145                                         wfCreativeCommonsRdf( $article );
 146                                 }
 147                                 break;
 148                         case 'credits':
 149                                 require_once( 'includes/Credits.php' );
 150                                 showCreditsPage( $article );
 151                                 break;
 152                         case 'submit':
 153                                 if( !$this->getVal( 'CommandLineMode' ) && !$request->checkSessionCookie() ) {
 154                                         # Send a cookie so anons get talk message notifications
 155                                         User::SetupSession();
 156                                 }
 157                                 # Continue...
 158                         case 'edit':
 159                                 $internal = $request->getVal( 'internaledit' );
 160                                 $external = $request->getVal( 'externaledit' );
 161                                 $section = $request->getVal( 'section' );
 162                                 $oldid = $request->getVal( 'oldid' );
 163                                 if( !$this->getVal( 'UseExternalEditor' ) || $action=='submit' || $internal ||
 164                                    $section || $oldid ||( !$user->getOption( 'externaleditor' ) && !$external ) ) {
 165                                         require_once( 'includes/EditPage.php' );
 166                                         $editor = new EditPage( $article );
 167                                         $editor->submit();
 168                                 } elseif( $this->getVal( 'UseExternalEditor' ) && ( $external || $user->getOption( 'externaleditor' ) ) ) {
 169                                         require_once( 'includes/ExternalEdit.php' );
 170                                         $mode = $request->getVal( 'mode' );
 171                                         $extedit = new ExternalEdit( $article, $mode );
 172                                         $extedit->edit();
 173                                 }
 174                                 break;
 175                         case 'history':
 176                                 if( $_SERVER['REQUEST_URI'] == $title->getInternalURL( 'action=history' ) ) {
 177                                         $output->setSquidMaxage( $this->getVal( 'SquidMaxage' ) );
 178                                 }
 179                                 require_once( 'includes/PageHistory.php' );
 180                                 $history = new PageHistory( $article );
 181                                 $history->history();
 182                                 break;
 183                         case 'raw':
 184                                 require_once( 'includes/RawPage.php' );
 185                                 $raw = new RawPage( $article );
 186                                 $raw->view();
 187                                 break;
 188                         default:
 189                                 if( wfRunHooks( 'UnknownAction', array( $action, $article ) ) ) {
 190                                         $output->errorpage( 'nosuchaction', 'nosuchactiontext' );
 191                                 }
 192                 }
 193         }
 194
 195 }; # End of class MediaWiki
 196
 197 ?>
 198