includes/RawPage.php

   1 <?php
   2 /**
   3  * Copyright (C) 2004 Gabriel Wicke <gw@wikidev.net>
   4  * http://www.aulinx.de/
   5  * Based on PageHistory and SpecialExport
   6  *
   7  * License: GPL (http://www.gnu.org/copyleft/gpl.html)
   8  *
   9  * @author Gabriel Wicke <gw@wikidev.net>
  10  * @package MediaWiki
  11  */
  12
  13 require_once( 'Revision.php' );
  14
  15 /**
  16  * @todo document
  17  * @package MediaWiki
  18  */
  19 class RawPage {
  20
  21         function RawPage( $article ) {
  22                 global $wgRequest, $wgInputEncoding, $wgSquidMaxage;
  23                 $allowedCTypes = array('text/x-wiki', 'text/javascript', 'text/css', 'application/x-zope-edit');
  24                 $this->mArticle =& $article;
  25                 $this->mTitle =& $article->mTitle;
  26
  27                 $ctype = $wgRequest->getText( 'ctype' );
  28                 $smaxage = $wgRequest->getInt( 'smaxage', $wgSquidMaxage );
  29                 $maxage = $wgRequest->getInt( 'maxage', $wgSquidMaxage );
  30                 $this->mOldId = $wgRequest->getInt( 'oldid' );
  31                 # special case for 'generated' raw things: user css/js
  32                 $gen = $wgRequest->getText( 'gen' );
  33                 if($gen == 'css') {
  34                         $this->mGen = $gen;
  35                         if($smaxage == '') $smaxage = $wgSquidMaxage;
  36                         if($ctype == '') $ctype = 'text/css';
  37                 } else if ($gen == 'js') {
  38                         $this->mGen = $gen;
  39                         if($smaxage == '') $smaxage = $wgSquidMaxage;
  40                         if($ctype == '') $ctype = 'text/javascript';
  41                 } else {
  42                         $this->mGen = false;
  43                 }
  44                 $this->mCharset = $wgInputEncoding;
  45                 $this->mSmaxage = $smaxage;
  46                 $this->mMaxage = $maxage;
  47                 if(empty($ctype) or !in_array($ctype, $allowedCTypes)) {
  48                         $this->mContentType = 'text/x-wiki';
  49                 } else {
  50                         $this->mContentType = $ctype;
  51                 }
  52         }
  53
  54         function view() {
  55                 global $wgUser, $wgOut, $wgScript;
  56
  57                 if( strcmp( $wgScript, $_SERVER['PHP_SELF'] ) ) {
  58                         # Internet Explorer will ignore the Content-Type header if it
  59                         # thinks it sees a file extension it recognizes. Make sure that
  60                         # all raw requests are done through the script node, which will
  61                         # have eg '.php' and should remain safe.
  62
  63                         $destUrl = $this->mTitle->getFullUrl(
  64                                 'action=raw' .
  65                                 '&ctype=' . urlencode( $this->mContentType ) .
  66                                 '&smaxage=' . urlencode( $this->mSmaxage ) .
  67                                 '&maxage=' . urlencode( $this->mMaxage ) .
  68                                 '&gen=' . urlencode( $this->mGen ) .
  69                                 '&oldid=' . urlencode( $this->mOldId ) );
  70                         header( 'Location: ' . $destUrl );
  71                         $wgOut->disable();
  72                         return;
  73                 }
  74
  75                 header( "Content-type: ".$this->mContentType.'; charset='.$this->mCharset );
  76                 # allow the client to cache this for 24 hours
  77                 header( 'Cache-Control: s-maxage='.$this->mSmaxage.', max-age='.$this->mMaxage );
  78                 if($this->mGen) {
  79                         $sk = $wgUser->getSkin();
  80                         $sk->initPage($wgOut);
  81                         if($this->mGen == 'css') {
  82                                 echo $sk->getUserStylesheet();
  83                         } else if($this->mGen == 'js') {
  84                                 echo $sk->getUserJs();
  85                         }
  86                 } else {
  87                         echo $this->getrawtext();
  88                 }
  89                 $wgOut->disable();
  90         }
  91
  92         function getrawtext () {
  93                 global $wgInputEncoding, $wgContLang;
  94                 $fname = 'RawPage::getrawtext';
  95
  96                 if( !$this->mTitle ) return '';
  97
  98                 # Special case for MediaWiki: messages; we can hit the message cache.
  99                 if( $this->mTitle->getNamespace() == NS_MEDIAWIKI) {
 100                         $rawtext = wfMsg( $this->mTitle->getDbkey() );
 101                         return $rawtext;
 102                 }
 103
 104                 # else get it from the DB
 105                 $rev = Revision::newFromTitle( $this->mTitle, $this->mOldId );
 106                 if( $rev ) {
 107                         $lastmod = wfTimestamp( TS_RFC2822, $rev->getTimestamp() );
 108                         header( 'Last-modified: ' . $lastmod );
 109                         return $rev->getText();
 110                 } else {
 111                         return '';
 112                 }
 113         }
 114 }
 115 ?>