includes/SpecialExport.php

   1 <?php
   2 # Copyright (C) 2003 Brion Vibber <brion@pobox.com>
   3 # http://www.mediawiki.org/
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License along
  16 # with this program; if not, write to the Free Software Foundation, Inc.,
  17 # 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18 # http://www.gnu.org/copyleft/gpl.html
  19
  20 function wfSpecialExport( $page = "" ) {
  21         global $wgOut, $wgLang;
  22
  23         if( $_REQUEST['action'] == 'submit') {
  24                 $page = $_REQUEST['pages'];
  25                 $curonly = isset($_REQUEST['curonly']) ? true : false;
  26         } else {
  27                 $curonly = true;
  28         }
  29
  30         if( $page != "" ) {
  31                 header( "Content-type: application/xml; charset=utf-8" );
  32                 $pages = explode( "\n", $page );
  33                 $xml = pages2xml( $pages, $curonly );
  34                 echo $xml;
  35                 wfAbruptExit();
  36         }
  37
  38         $wgOut->addWikiText( wfMsg( "exporttext" ) );
  39         $titleObj = Title::makeTitle( NS_SPECIAL, "Export" );
  40         $action = $titleObj->escapeLocalURL();
  41         $wgOut->addHTML( "
  42 <form method='post' action=\"$action\">
  43 <input type='hidden' name='action' value='submit' />
  44 <textarea name='pages' cols='40' rows='10'></textarea><br />
  45 <label><input type='checkbox' name='curonly' value='true' checked />
  46 " . wfMsg( "exportcuronly" ) . "</label><br />
  47 <input type='submit' />
  48 </form>
  49 " );
  50 }
  51
  52 function pages2xml( $pages, $curonly = false ) {
  53         global $wgLanguageCode, $wgInputEncoding, $wgLang;
  54         $xml = "<" . "?xml version=\"1.0\" encoding=\"UTF-8\" ?" . ">\n" .
  55                 "<mediawiki version=\"0.1\" xml:lang=\"$wgLanguageCode\">\n";
  56         foreach( $pages as $page ) {
  57                 $xml .= page2xml( $page, $curonly );
  58         }
  59         $xml .= "</mediawiki>\n";
  60         if($wgInputEncoding != "utf-8")
  61                 $xml = $wgLang->iconv( $wgInputEncoding, "utf-8", $xml );
  62         return $xml;
  63 }
  64
  65 function page2xml( $page, $curonly, $full = false ) {
  66         global $wgInputCharset, $wgLang;
  67         $title = Title::NewFromText( $page );
  68         if( !$title ) return "";
  69         $t = wfStrencode( $title->getDBKey() );
  70         $ns = $title->getNamespace();
  71         $sql = "SELECT cur_id as id,cur_timestamp as timestamp,cur_user as user,cur_user_text as user_text," .
  72                 "cur_restrictions as restrictions,cur_comment as comment,cur_text as text FROM cur " .
  73                 "WHERE cur_namespace=$ns AND cur_title='$t'";
  74         $res = wfQuery( $sql, DB_READ );
  75         if( $s = wfFetchObject( $res ) ) {
  76                 $tl = htmlspecialchars( $title->getPrefixedText() );
  77                 $xml = "  <page>\n";
  78                 $xml .= "    <title>$tl</title>\n";
  79                 if( $full ) {
  80                         $xml .= "    <id>$s->id</id>\n";
  81                 }
  82                 if( $s->restrictions ) {
  83                         $xml .= "    <restrictions>$s->restrictions</restrictions>\n";
  84                 }
  85                 if( !$curonly ) {
  86                         $sql = "SELECT old_id as id,old_timestamp as timestamp, old_user as user, old_user_text as user_text," .
  87                                 "old_comment as comment, old_text as text, old_flags as flags FROM old " .
  88                                 "WHERE old_namespace=$ns AND old_title='$t' ORDER BY old_timestamp";
  89                         $res = wfQuery( $sql, DB_READ );
  90
  91                         while( $s2 = wfFetchObject( $res ) ) {
  92                                 $xml .= revision2xml( $s2, $full, false );
  93                         }
  94                 }
  95                 $xml .= revision2xml( $s, $full, true );
  96                 $xml .= "  </page>\n";
  97                 return $xml;
  98         } else {
  99                 return "";
 100         }
 101 }
 102
 103 function revision2xml( $s, $full, $cur ) {
 104         $ts = wfTimestamp2ISO8601( $s->timestamp );
 105         $xml = "    <revision>\n";
 106         if($full && !$cur)
 107                 $xml .= "    <id>$s->id</id>\n";
 108         $xml .= "      <timestamp>$ts</timestamp>\n";
 109         if($s->user) {
 110                 $u = "<username>" . htmlspecialchars( $s->user_text ) . "</username>";
 111                 if($full)
 112                         $u .= "<id>$s->user</id>";
 113         } else {
 114                 $u = "<ip>" . htmlspecialchars( $s->user_text ) . "</ip>";
 115         }
 116         $xml .= "      <contributor>$u</contributor>\n";
 117         if($s->minor) {
 118                 $xml .= "      <minor/>\n";
 119         }
 120         if($s->comment != "") {
 121                 $c = htmlspecialchars( $s->comment );
 122                 $xml .= "      <comment>$c</comment>\n";
 123         }
 124         $t = htmlspecialchars( Article::getRevisionText( $s, "" ) );
 125         $xml .= "      <text>$t</text>\n";
 126         $xml .= "    </revision>\n";
 127         return $xml;
 128 }
 129
 130 function wfTimestamp2ISO8601( $ts ) {
 131         #2003-08-05T18:30:02Z
 132         return preg_replace( '/^(....)(..)(..)(..)(..)(..)$/', '$1-$2-$3T$4:$5:$6Z', $ts );
 133 }
 134
 135 ?>