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 /** */
  14 require_once( 'Revision.php' );
  15
  16 /**
  17  * @todo document
  18  * @package MediaWiki
  19  */
  20 class RawPage {
  21
  22         function RawPage( $article ) {
  23                 global $wgRequest, $wgInputEncoding, $wgSquidMaxage;
  24                 $allowedCTypes = array('text/x-wiki', 'text/javascript', 'text/css', 'application/x-zope-edit');
  25                 $this->mArticle =& $article;
  26                 $this->mTitle =& $article->mTitle;
  27
  28                 $ctype = $wgRequest->getText( 'ctype' );
  29                 $smaxage = $wgRequest->getInt( 'smaxage', $wgSquidMaxage );
  30                 $maxage = $wgRequest->getInt( 'maxage', $wgSquidMaxage );
  31                 $this->mOldId = $wgRequest->getInt( 'oldid' );
  32                 # special case for 'generated' raw things: user css/js
  33                 $gen = $wgRequest->getText( 'gen' );
  34                 if($gen == 'css') {
  35                         $this->mGen = $gen;
  36                         if($smaxage == '') $smaxage = $wgSquidMaxage;
  37                         if($ctype == '') $ctype = 'text/css';
  38                 } else if ($gen == 'js') {
  39                         $this->mGen = $gen;
  40                         if($smaxage == '') $smaxage = $wgSquidMaxage;
  41                         if($ctype == '') $ctype = 'text/javascript';
  42                 } else {
  43                         $this->mGen = false;
  44                 }
  45                 $this->mCharset = $wgInputEncoding;
  46                 $this->mSmaxage = $smaxage;
  47                 $this->mMaxage = $maxage;
  48                 if(empty($ctype) or !in_array($ctype, $allowedCTypes)) {
  49                         $this->mContentType = 'text/x-wiki';
  50                 } else {
  51                         $this->mContentType = $ctype;
  52                 }
  53         }
  54
  55         function view() {
  56                 global $wgUser, $wgOut, $wgScript;
  57
  58                 if( strcmp( $wgScript, $_SERVER['PHP_SELF'] ) ) {
  59                         # Internet Explorer will ignore the Content-Type header if it
  60                         # thinks it sees a file extension it recognizes. Make sure that
  61                         # all raw requests are done through the script node, which will
  62                         # have eg '.php' and should remain safe.
  63
  64                         $destUrl = $this->mTitle->getFullUrl(
  65                                 'action=raw' .
  66                                 '&ctype=' . urlencode( $this->mContentType ) .
  67                                 '&smaxage=' . urlencode( $this->mSmaxage ) .
  68                                 '&maxage=' . urlencode( $this->mMaxage ) .
  69                                 '&gen=' . urlencode( $this->mGen ) .
  70                                 '&oldid=' . urlencode( $this->mOldId ) );
  71                         header( 'Location: ' . $destUrl );
  72                         $wgOut->disable();
  73                         return;
  74                 }
  75
  76                 header( "Content-type: ".$this->mContentType.'; charset='.$this->mCharset );
  77                 # allow the client to cache this for 24 hours
  78                 header( 'Cache-Control: s-maxage='.$this->mSmaxage.', max-age='.$this->mMaxage );
  79                 if($this->mGen) {
  80                         $sk = $wgUser->getSkin();
  81                         $sk->initPage($wgOut);
  82                         if($this->mGen == 'css') {
  83                                 echo $sk->getUserStylesheet();
  84                         } else if($this->mGen == 'js') {
  85                                 echo $sk->getUserJs();
  86                         }
  87                 } else {
  88                         echo $this->getrawtext();
  89                 }
  90                 $wgOut->disable();
  91         }
  92
  93         function getrawtext () {
  94                 global $wgInputEncoding, $wgContLang;
  95                 $fname = 'RawPage::getrawtext';
  96
  97                 if( $this->mTitle ) {
  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                         }
 111                 }
 112
 113                 # Bad title or page does not exist
 114                 if( $this->mContentType == 'text/x-wiki' ) {
 115                         # Don't return a 404 response for CSS or JavaScript;
 116                         # 404s aren't generally cached and it would create
 117                         # extra hits when user CSS/JS are on and the user doesn't
 118                         # have the pages.
 119                         header( "HTTP/1.0 404 Not Found" );
 120                 }
 121                 return '';
 122         }
 123 }
 124 ?>