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 /**
  21  *
  22  */
  23
  24 /**
  25  *
  26  */
  27 function wfSpecialExport( $page = '' ) {
  28         global $wgOut, $wgLang, $wgRequest;
  29
  30         if( $wgRequest->getVal( 'action' ) == 'submit') {
  31                 $page = $wgRequest->getText( 'pages' );
  32                 $curonly = $wgRequest->getCheck( 'curonly' );
  33         } else {
  34                 # Pre-check the 'current version only' box in the UI
  35                 $curonly = true;
  36         }
  37
  38         if( $page != '' ) {
  39                 header( "Content-type: application/xml; charset=utf-8" );
  40                 $pages = explode( "\n", $page );
  41                 $xml = pages2xml( $pages, $curonly );
  42                 echo $xml;
  43                 wfAbruptExit();
  44         }
  45
  46         $wgOut->addWikiText( wfMsg( "exporttext" ) );
  47         $titleObj = Title::makeTitle( NS_SPECIAL, "Export" );
  48         $action = $titleObj->escapeLocalURL();
  49         $wgOut->addHTML( "
  50 <form method='post' action=\"$action\">
  51 <input type='hidden' name='action' value='submit' />
  52 <textarea name='pages' cols='40' rows='10'></textarea><br />
  53 <label><input type='checkbox' name='curonly' value='true' checked='checked' />
  54 " . wfMsg( "exportcuronly" ) . "</label><br />
  55 <input type='submit' />
  56 </form>
  57 " );
  58 }
  59
  60 function pages2xml( $pages, $curonly = false ) {
  61         global $wgLanguageCode, $wgInputEncoding, $wgLang;
  62         $xml = "<" . "?xml version=\"1.0\" encoding=\"UTF-8\" ?" . ">\n" .
  63                 "<mediawiki version=\"0.1\" xml:lang=\"$wgLanguageCode\">\n";
  64         foreach( $pages as $page ) {
  65                 $xml .= page2xml( $page, $curonly );
  66         }
  67         $xml .= "</mediawiki>\n";
  68         if($wgInputEncoding != "utf-8")
  69                 $xml = $wgLang->iconv( $wgInputEncoding, "utf-8", $xml );
  70         return $xml;
  71 }
  72
  73 function page2xml( $page, $curonly, $full = false ) {
  74         global $wgLang;
  75         $fname = 'page2xml';
  76
  77         $title = Title::NewFromText( $page );
  78         if( !$title ) return "";
  79
  80         $dbr =& wfGetDB( DB_SLAVE );
  81         $s = $dbr->selectRow( 'cur', array( 'cur_id as id','cur_timestamp as timestamp','cur_user as user',
  82                 'cur_user_text as user_text', 'cur_restrictions as restrictions','cur_comment as comment',
  83                 'cur_text as text' ), $title->curCond(), $fname );
  84         if( $s !== false ) {
  85                 $tl = htmlspecialchars( $title->getPrefixedText() );
  86                 $xml = "  <page>\n";
  87                 $xml .= "    <title>$tl</title>\n";
  88                 if( $full ) {
  89                         $xml .= "    <id>$s->id</id>\n";
  90                 }
  91                 if( $s->restrictions ) {
  92                         $xml .= "    <restrictions>$s->restrictions</restrictions>\n";
  93                 }
  94                 if( !$curonly ) {
  95                         $res = $dbr->select( 'old', array( 'old_id as id','old_timestamp as timestamp',
  96                                 'old_user as user', 'old_user_text as user_text', 'old_comment as comment',
  97                                 'old_text as text', 'old_flags as flags' ), $title->curCond(),
  98                                 array( 'ORDER BY' => 'old_timestamp' ), $fname
  99                         );
 100
 101                         while( $s2 = $dbr->fetchObject( $res ) ) {
 102                                 $xml .= revision2xml( $s2, $full, false );
 103                         }
 104                 }
 105                 $xml .= revision2xml( $s, $full, true );
 106                 $xml .= "  </page>\n";
 107                 return $xml;
 108         } else {
 109                 return "";
 110         }
 111 }
 112
 113 function revision2xml( $s, $full, $cur ) {
 114         $ts = wfTimestamp2ISO8601( $s->timestamp );
 115         $xml = "    <revision>\n";
 116         if($full && !$cur)
 117                 $xml .= "    <id>$s->id</id>\n";
 118         $xml .= "      <timestamp>$ts</timestamp>\n";
 119         if($s->user) {
 120                 $u = "<username>" . htmlspecialchars( $s->user_text ) . "</username>";
 121                 if($full)
 122                         $u .= "<id>$s->user</id>";
 123         } else {
 124                 $u = "<ip>" . htmlspecialchars( $s->user_text ) . "</ip>";
 125         }
 126         $xml .= "      <contributor>$u</contributor>\n";
 127         if( !empty( $s->minor ) ) {
 128                 $xml .= "      <minor/>\n";
 129         }
 130         if($s->comment != "") {
 131                 $c = htmlspecialchars( $s->comment );
 132                 $xml .= "      <comment>$c</comment>\n";
 133         }
 134         $t = htmlspecialchars( Article::getRevisionText( $s, "" ) );
 135         $xml .= "      <text>$t</text>\n";
 136         $xml .= "    </revision>\n";
 137         return $xml;
 138 }
 139
 140 function wfTimestamp2ISO8601( $ts ) {
 141         #2003-08-05T18:30:02Z
 142         return preg_replace( '/^(....)(..)(..)(..)(..)(..)$/', '$1-$2-$3T$4:$5:$6Z', $ts );
 143 }
 144
 145 ?>