includes/RawPage.php

   1 <?php
   2 # Copyright (C) 2004 Gabriel Wicke <gw@wikidev.net>
   3 # http://www.aulinx.de/
   4 # Based on PageHistory and SpecialExport
   5 #
   6 # License: GPL (http://www.gnu.org/copyleft/gpl.html)
   7
   8 class RawPage {
   9
  10         function RawPage( $article ) {
  11                 global $wgRequest, $wgInputEncoding, $wgSquidMaxage;
  12                 $allowedCTypes = array('text/x-wiki', 'text/javascript', 'text/css', 'application/x-zope-edit');
  13                 $this->mArticle =& $article;
  14                 $this->mTitle =& $article->mTitle;
  15
  16                 $ctype = $wgRequest->getText( 'ctype' );
  17                 $charset = $wgRequest->getText( 'charset' );
  18                 $smaxage = $wgRequest->getText( 'smaxage' );
  19                 $maxage = $wgRequest->getText( 'maxage' );
  20                 $this->mOldId = $wgRequest->getInt( 'oldid' );
  21                 # special case for 'generated' raw things: user css/js
  22                 $gen = $wgRequest->getText( 'gen' );
  23                 if($gen == 'css') {
  24                         $this->mGen = $gen;
  25                         if($smaxage == '') $smaxage = $wgSquidMaxage;
  26                         if($ctype == '') $ctype = 'text/css';
  27                 } else if ($gen == 'js') {
  28                         $this->mGen = $gen;
  29                         if($smaxage == '') $smaxage = $wgSquidMaxage;
  30                         if($ctype == '') $ctype = 'text/javascript';
  31                 } else {
  32                         $this->mGen = false;
  33                 }
  34                 $this->mCharset = !empty($charset) ? $charset : $wgInputEncoding;
  35                 $this->mSmaxage = ($smaxage != '') ? $smaxage : 0;
  36                 $this->mMaxage = ($maxage != '') ? $maxage : 86400;
  37                 if(empty($ctype) or !in_array($ctype, $allowedCTypes)) {
  38                         $this->mContentType = 'text/x-wiki';
  39                 } else {
  40                         $this->mContentType = $ctype;
  41                 }
  42         }
  43         function view() {
  44                 global $wgUser, $wgOut;
  45                 header( "Content-type: ".$this->mContentType.'; charset='.$this->mCharset );
  46                 # allow the client to cache this for 24 hours
  47                 header( 'Cache-Control: s-maxage='.$this->mSmaxage.', max-age='.$this->mMaxage );
  48                 if($this->mGen) {
  49                         $sk = $wgUser->getSkin();
  50                         $sk->initPage($wgOut);
  51                         if($this->mGen == 'css') {
  52                                 echo $sk->getUserStylesheet();
  53                         } else if($this->mGen == 'js') {
  54                                 echo $sk->getUserJs();
  55                         }
  56                 } else {
  57                         echo $this->getrawtext();
  58                 }
  59                 $wgOut->disable();
  60         }
  61
  62         function getrawtext () {
  63                 global $wgInputEncoding, $wgLang;
  64                 $fname = 'RawPage::getrawtext';
  65
  66                 if( !$this->mTitle ) return '';
  67                 $dbr =& wfGetDB( DB_SLAVE );
  68                 extract( $dbr->tableNames( 'cur', 'old' ) );
  69
  70                 $t = $dbr->strencode( $this->mTitle->getDBKey() );
  71                 $ns = $this->mTitle->getNamespace();
  72                 # special case
  73                 if($ns == NS_MEDIAWIKI) {
  74                         $rawtext = wfMsg($t);
  75                         if($wgInputEncoding != $this->mCharset)
  76                         $rawtext = $wgLang->iconv( $wgInputEncoding, $this->mCharset, $rawtext );
  77                         return $rawtext;
  78                 }
  79                 # else get it from the DB
  80                 if(!empty($this->mOldId)) {
  81                         $sql = "SELECT old_text AS text,old_timestamp AS timestamp,".
  82                                     "old_user AS user,old_flags AS flags FROM $old " .
  83                         "WHERE old_id={$this->mOldId}";
  84                 } else {
  85                         $sql = "SELECT cur_id as id,cur_timestamp as timestamp,cur_user as user,cur_user_text as user_text," .
  86                         "cur_restrictions as restrictions,cur_comment as comment,cur_text as text FROM $cur " .
  87                         "WHERE cur_namespace=$ns AND cur_title='$t'";
  88                 }
  89                 $res = $dbr->query( $sql, $fname );
  90                 if( $s = $dbr->fetchObject( $res ) ) {
  91                         $rawtext = Article::getRevisionText( $s, "" );
  92                         if($wgInputEncoding != $this->mCharset)
  93                         $rawtext = $wgLang->iconv( $wgInputEncoding, $this->mCharset, $rawtext );
  94                         header( 'Last-modified: '.gmdate( "D, j M Y H:i:s", wfTimestamp2Unix( $s->timestamp )).' GMT' );
  95                         return $rawtext;
  96                 } else {
  97                         return '';
  98                 }
  99         }
 100 }
 101 ?>