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  */
  11
  12 /**
  13  * @todo document
  14  */
  15 class RawPage {
  16
  17         function RawPage( $article ) {
  18                 global $wgRequest, $wgInputEncoding, $wgSquidMaxage;
  19                 $allowedCTypes = array('text/x-wiki', 'text/javascript', 'text/css', 'application/x-zope-edit');
  20                 $this->mArticle =& $article;
  21                 $this->mTitle =& $article->mTitle;
  22
  23                 $ctype = $wgRequest->getText( 'ctype' );
  24                 $charset = $wgRequest->getText( 'charset' );
  25                 $smaxage = $wgRequest->getText( 'smaxage' );
  26                 $maxage = $wgRequest->getText( 'maxage' );
  27                 $this->mOldId = $wgRequest->getInt( 'oldid' );
  28                 # special case for 'generated' raw things: user css/js
  29                 $gen = $wgRequest->getText( 'gen' );
  30                 if($gen == 'css') {
  31                         $this->mGen = $gen;
  32                         if($smaxage == '') $smaxage = $wgSquidMaxage;
  33                         if($ctype == '') $ctype = 'text/css';
  34                 } else if ($gen == 'js') {
  35                         $this->mGen = $gen;
  36                         if($smaxage == '') $smaxage = $wgSquidMaxage;
  37                         if($ctype == '') $ctype = 'text/javascript';
  38                 } else {
  39                         $this->mGen = false;
  40                 }
  41                 $this->mCharset = !empty($charset) ? $charset : $wgInputEncoding;
  42                 $this->mSmaxage = ($smaxage != '') ? $smaxage : 0;
  43                 $this->mMaxage = ($maxage != '') ? $maxage : 86400;
  44                 if(empty($ctype) or !in_array($ctype, $allowedCTypes)) {
  45                         $this->mContentType = 'text/x-wiki';
  46                 } else {
  47                         $this->mContentType = $ctype;
  48                 }
  49         }
  50
  51         function view() {
  52                 global $wgUser, $wgOut;
  53                 header( "Content-type: ".$this->mContentType.'; charset='.$this->mCharset );
  54                 # allow the client to cache this for 24 hours
  55                 header( 'Cache-Control: s-maxage='.$this->mSmaxage.', max-age='.$this->mMaxage );
  56                 if($this->mGen) {
  57                         $sk = $wgUser->getSkin();
  58                         $sk->initPage($wgOut);
  59                         if($this->mGen == 'css') {
  60                                 echo $sk->getUserStylesheet();
  61                         } else if($this->mGen == 'js') {
  62                                 echo $sk->getUserJs();
  63                         }
  64                 } else {
  65                         echo $this->getrawtext();
  66                 }
  67                 $wgOut->disable();
  68         }
  69
  70         function getrawtext () {
  71                 global $wgInputEncoding, $wgLang;
  72                 $fname = 'RawPage::getrawtext';
  73
  74                 if( !$this->mTitle ) return '';
  75                 $dbr =& wfGetDB( DB_SLAVE );
  76                 extract( $dbr->tableNames( 'cur', 'old' ) );
  77
  78                 $t = $dbr->strencode( $this->mTitle->getDBKey() );
  79                 $ns = $this->mTitle->getNamespace();
  80                 # special case
  81                 if($ns == NS_MEDIAWIKI) {
  82                         $rawtext = wfMsg($t);
  83                         if($wgInputEncoding != $this->mCharset)
  84                         $rawtext = $wgLang->iconv( $wgInputEncoding, $this->mCharset, $rawtext );
  85                         return $rawtext;
  86                 }
  87                 # else get it from the DB
  88                 if(!empty($this->mOldId)) {
  89                         $sql = "SELECT old_text AS text,old_timestamp AS timestamp,".
  90                                     "old_user AS user,old_flags AS flags FROM $old " .
  91                         "WHERE old_id={$this->mOldId}";
  92                 } else {
  93                         $sql = "SELECT cur_id as id,cur_timestamp as timestamp,cur_user as user,cur_user_text as user_text," .
  94                         "cur_restrictions as restrictions,cur_comment as comment,cur_text as text FROM $cur " .
  95                         "WHERE cur_namespace=$ns AND cur_title='$t'";
  96                 }
  97                 $res = $dbr->query( $sql, $fname );
  98                 if( $s = $dbr->fetchObject( $res ) ) {
  99                         $rawtext = Article::getRevisionText( $s, "" );
 100                         if($wgInputEncoding != $this->mCharset)
 101                         $rawtext = $wgLang->iconv( $wgInputEncoding, $this->mCharset, $rawtext );
 102                         header( 'Last-modified: '.gmdate( "D, j M Y H:i:s", wfTimestamp2Unix( $s->timestamp )).' GMT' );
 103                         return $rawtext;
 104                 } else {
 105                         return '';
 106                 }
 107         }
 108 }
 109 ?>