trackback.php

   1 <?php
   2 /**
   3  * Provide functions to handle article trackbacks.
   4  * @file
   5  * @ingroup SpecialPage
   6  */
   7
   8 require_once( './includes/WebStart.php' );
   9
  10 function XMLsuccess() {
  11         header( "Content-Type: application/xml; charset=utf-8" );
  12         echo "<?xml version=\"1.0\" encoding=\"utf-8\"?>
  13 <response>
  14 <error>0</error>
  15 </response>
  16         ";
  17         exit;
  18 }
  19
  20 function XMLerror( $err = "Invalid request." ) {
  21         header( "HTTP/1.0 400 Bad Request" );
  22         header( "Content-Type: application/xml; charset=utf-8" );
  23         echo "<?xml version=\"1.0\" encoding=\"utf-8\"?>
  24 <response>
  25 <error>1</error>
  26 <message>Invalid request: $err</message>
  27 </response>
  28 ";
  29                 exit;
  30 }
  31
  32 if( !$wgUseTrackbacks )
  33         XMLerror("Trackbacks are disabled.");
  34
  35 if( !isset( $_POST['url'] )
  36  || !isset( $_REQUEST['article'] ) )
  37         XMLerror("Required field not specified");
  38
  39 $dbw = wfGetDB( DB_MASTER );
  40
  41 $tbtitle = strval( @$_POST['title'] );
  42 $tbex = strval( @$_POST['excerpt'] );
  43 $tburl = strval( $_POST['url'] );
  44 $tbname = strval( @$_POST['blog_name'] );
  45 $tbarticle = strval( $_REQUEST['article'] );
  46
  47 $title = Title::newFromText($tbarticle);
  48 if( !$title || !$title->exists() )
  49         XMLerror( "Specified article does not exist." );
  50
  51 $dbw->insert('trackbacks', array(
  52         'tb_page'       => $title->getArticleID(),
  53         'tb_title'      => $tbtitle,
  54         'tb_url'        => $tburl,
  55         'tb_ex'         => $tbex,
  56         'tb_name'       => $tbname
  57 ));
  58
  59 $dbw->commit();
  60
  61 XMLsuccess();