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  * @todo document
  15  * @package MediaWiki
  16  */
  17 class RawPage {
  18
  19         function RawPage( $article ) {
  20                 global $wgRequest, $wgInputEncoding, $wgSquidMaxage;
  21                 $allowedCTypes = array('text/x-wiki', 'text/javascript', 'text/css', 'application/x-zope-edit');
  22                 $this->mArticle =& $article;
  23                 $this->mTitle =& $article->mTitle;
  24
  25                 $ctype = $wgRequest->getText( 'ctype' );
  26                 $smaxage = $wgRequest->getInt( 'smaxage', $wgSquidMaxage );
  27                 $maxage = $wgRequest->getInt( 'maxage', $wgSquidMaxage );
  28                 $this->mOldId = $wgRequest->getInt( 'oldid' );
  29                 # special case for 'generated' raw things: user css/js
  30                 $gen = $wgRequest->getText( 'gen' );
  31                 if($gen == 'css') {
  32                         $this->mGen = $gen;
  33                         if($smaxage == '') $smaxage = $wgSquidMaxage;
  34                         if($ctype == '') $ctype = 'text/css';
  35                 } else if ($gen == 'js') {
  36                         $this->mGen = $gen;
  37                         if($smaxage == '') $smaxage = $wgSquidMaxage;
  38                         if($ctype == '') $ctype = 'text/javascript';
  39                 } else {
  40                         $this->mGen = false;
  41                 }
  42                 $this->mCharset = $wgInputEncoding;
  43                 $this->mSmaxage = $smaxage;
  44                 $this->mMaxage = $maxage;
  45                 if(empty($ctype) or !in_array($ctype, $allowedCTypes)) {
  46                         $this->mContentType = 'text/x-wiki';
  47                 } else {
  48                         $this->mContentType = $ctype;
  49                 }
  50         }
  51
  52         function view() {
  53                 global $wgUser, $wgOut, $wgScript;
  54
  55                 if( strncmp( $wgScript . '?', $_SERVER['REQUEST_URI'], strlen( $wgScript ) + 1 ) ) {
  56                         # Internet Explorer will ignore the Content-Type header if it
  57                         # thinks it sees a file extension it recognizes. Make sure that
  58                         # all raw requests are done through the script node, which will
  59                         # have eg '.php' and should remain safe.
  60
  61                         $destUrl = $this->mTitle->getFullUrl(
  62                                 'action=raw' .
  63                                 '&ctype=' . urlencode( $this->mContentType ) .
  64                                 '&smaxage=' . urlencode( $this->mSmaxage ) .
  65                                 '&maxage=' . urlencode( $this->mMaxage ) .
  66                                 '&oldid=' . urlencode( $this->mOldId ) );
  67                         header( 'Location: ' . $destUrl );
  68                         $wgOut->disable();
  69                         return;
  70                 }
  71
  72                 header( "Content-type: ".$this->mContentType.'; charset='.$this->mCharset );
  73                 # allow the client to cache this for 24 hours
  74                 header( 'Cache-Control: s-maxage='.$this->mSmaxage.', max-age='.$this->mMaxage );
  75                 if($this->mGen) {
  76                         $sk = $wgUser->getSkin();
  77                         $sk->initPage($wgOut);
  78                         if($this->mGen == 'css') {
  79                                 echo $sk->getUserStylesheet();
  80                         } else if($this->mGen == 'js') {
  81                                 echo $sk->getUserJs();
  82                         }
  83                 } else {
  84                         echo $this->getrawtext();
  85                 }
  86                 $wgOut->disable();
  87         }
  88
  89         function getrawtext () {
  90                 global $wgInputEncoding, $wgContLang;
  91                 $fname = 'RawPage::getrawtext';
  92
  93                 if( !$this->mTitle ) return '';
  94                 $dbr =& wfGetDB( DB_SLAVE );
  95                 extract( $dbr->tableNames( 'cur', 'old' ) );
  96
  97                 $t = $dbr->strencode( $this->mTitle->getDBKey() );
  98                 $ns = $this->mTitle->getNamespace();
  99                 # special case
 100                 if($ns == NS_MEDIAWIKI) {
 101                         $rawtext = wfMsg($t);
 102                         return $rawtext;
 103                 }
 104                 # else get it from the DB
 105                 if(!empty($this->mOldId)) {
 106                         $sql = "SELECT old_text AS text,old_timestamp AS timestamp,".
 107                                     "old_user AS user,old_flags AS flags FROM $old " .
 108                         "WHERE old_id={$this->mOldId}";
 109                 } else {
 110                         $sql = "SELECT cur_id as id,cur_timestamp as timestamp,cur_user as user,cur_user_text as user_text," .
 111                         "cur_restrictions as restrictions,cur_comment as comment,cur_text as text FROM $cur " .
 112                         "WHERE cur_namespace=$ns AND cur_title='$t'";
 113                 }
 114                 $res = $dbr->query( $sql, $fname );
 115                 if( $s = $dbr->fetchObject( $res ) ) {
 116                         $rawtext = Article::getRevisionText( $s, "" );
 117                         header( 'Last-modified: '.gmdate( "D, j M Y H:i:s", wfTimestamp2Unix( $s->timestamp )).' GMT' );
 118                         return $rawtext;
 119                 } else {
 120                         return '';
 121                 }
 122         }
 123 }
 124 ?>