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                 $charset = $wgRequest->getText( 'charset' );
  27                 $smaxage = $wgRequest->getText( 'smaxage' );
  28                 $maxage = $wgRequest->getText( 'maxage' );
  29                 $this->mOldId = $wgRequest->getInt( 'oldid' );
  30                 # special case for 'generated' raw things: user css/js
  31                 $gen = $wgRequest->getText( 'gen' );
  32                 if($gen == 'css') {
  33                         $this->mGen = $gen;
  34                         if($smaxage == '') $smaxage = $wgSquidMaxage;
  35                         if($ctype == '') $ctype = 'text/css';
  36                 } else if ($gen == 'js') {
  37                         $this->mGen = $gen;
  38                         if($smaxage == '') $smaxage = $wgSquidMaxage;
  39                         if($ctype == '') $ctype = 'text/javascript';
  40                 } else {
  41                         $this->mGen = false;
  42                 }
  43                 $this->mCharset = !empty($charset) ? $charset : $wgInputEncoding;
  44                 $this->mSmaxage = ($smaxage != '') ? $smaxage : 0;
  45                 $this->mMaxage = ($maxage != '') ? $maxage : 86400;
  46                 if(empty($ctype) or !in_array($ctype, $allowedCTypes)) {
  47                         $this->mContentType = 'text/x-wiki';
  48                 } else {
  49                         $this->mContentType = $ctype;
  50                 }
  51         }
  52
  53         function view() {
  54                 global $wgUser, $wgOut;
  55                 header( "Content-type: ".$this->mContentType.'; charset='.$this->mCharset );
  56                 # allow the client to cache this for 24 hours
  57                 header( 'Cache-Control: s-maxage='.$this->mSmaxage.', max-age='.$this->mMaxage );
  58                 if($this->mGen) {
  59                         $sk = $wgUser->getSkin();
  60                         $sk->initPage($wgOut);
  61                         if($this->mGen == 'css') {
  62                                 echo $sk->getUserStylesheet();
  63                         } else if($this->mGen == 'js') {
  64                                 echo $sk->getUserJs();
  65                         }
  66                 } else {
  67                         echo $this->getrawtext();
  68                 }
  69                 $wgOut->disable();
  70         }
  71
  72         function getrawtext () {
  73                 global $wgInputEncoding, $wgLang;
  74                 $fname = 'RawPage::getrawtext';
  75
  76                 if( !$this->mTitle ) return '';
  77                 $dbr =& wfGetDB( DB_SLAVE );
  78                 extract( $dbr->tableNames( 'cur', 'old' ) );
  79
  80                 $t = $dbr->strencode( $this->mTitle->getDBKey() );
  81                 $ns = $this->mTitle->getNamespace();
  82                 # special case
  83                 if($ns == NS_MEDIAWIKI) {
  84                         $rawtext = wfMsg($t);
  85                         if($wgInputEncoding != $this->mCharset)
  86                         $rawtext = $wgLang->iconv( $wgInputEncoding, $this->mCharset, $rawtext );
  87                         return $rawtext;
  88                 }
  89                 # else get it from the DB
  90                 if(!empty($this->mOldId)) {
  91                         $sql = "SELECT old_text AS text,old_timestamp AS timestamp,".
  92                                     "old_user AS user,old_flags AS flags FROM $old " .
  93                         "WHERE old_id={$this->mOldId}";
  94                 } else {
  95                         $sql = "SELECT cur_id as id,cur_timestamp as timestamp,cur_user as user,cur_user_text as user_text," .
  96                         "cur_restrictions as restrictions,cur_comment as comment,cur_text as text FROM $cur " .
  97                         "WHERE cur_namespace=$ns AND cur_title='$t'";
  98                 }
  99                 $res = $dbr->query( $sql, $fname );
 100                 if( $s = $dbr->fetchObject( $res ) ) {
 101                         $rawtext = Article::getRevisionText( $s, "" );
 102                         if($wgInputEncoding != $this->mCharset)
 103                         $rawtext = $wgLang->iconv( $wgInputEncoding, $this->mCharset, $rawtext );
 104                         header( 'Last-modified: '.gmdate( "D, j M Y H:i:s", wfTimestamp2Unix( $s->timestamp )).' GMT' );
 105                         return $rawtext;
 106                 } else {
 107                         return '';
 108                 }
 109         }
 110 }
 111 ?>