From e909ec901f4043e5e73f629e3fcdd67006834ab8 Mon Sep 17 00:00:00 2001
From: Chad Horohoe <demon@users.mediawiki.org>
Date: Tue, 10 Aug 2010 18:50:34 +0000
Subject: [PATCH] Rewrite trackback.php so it looks like it was written
 sometime in the last 5 years. Use cool things like WebRequest too!

---
 trackback.php | 102 +++++++++++++++++++++++++++++++-------------------
 1 file changed, 63 insertions(+), 39 deletions(-)

diff --git a/trackback.php b/trackback.php
index 398cc794be..b996ba6aeb 100644
--- a/trackback.php
+++ b/trackback.php
@@ -7,55 +7,79 @@
 
 require_once( './includes/WebStart.php' );
 
-function XMLsuccess() {
-	header( "Content-Type: application/xml; charset=utf-8" );
-	echo "<?xml version=\"1.0\" encoding=\"utf-8\"?>
+class TrackBack {
+
+	private $r, $url, $title = null;
+
+	private function XMLsuccess() {
+		header( "Content-Type: application/xml; charset=utf-8" );
+		echo <<<XML
+<?xml version="1.0" encoding="utf-8"?>
 <response>
-<error>0</error>
+	<error>0</error>
 </response>
-	";
-	exit;
-}
+XML;
+		exit;
+	}
 
-function XMLerror( $err = "Invalid request." ) {
-	header( "HTTP/1.0 400 Bad Request" );
-	header( "Content-Type: application/xml; charset=utf-8" );
-	echo "<?xml version=\"1.0\" encoding=\"utf-8\"?>
+	private function XMLerror( $err = "Invalid request." ) {
+		header( "HTTP/1.0 400 Bad Request" );
+		header( "Content-Type: application/xml; charset=utf-8" );
+		echo <<<XML
+<?xml version="1.0" encoding="utf-8"?>
 <response>
-<error>1</error>
-<message>Invalid request: $err</message>
+	<error>1</error>
+	<message>Invalid request: $err</message>
 </response>
-";
-		exit;
-}
+XML;
+			exit;
+	}
 
-if( !$wgUseTrackbacks )
-	XMLerror("Trackbacks are disabled.");
+	public function __construct() {
+		global $wgUseTrackbacks, $wgRequest;
 
-if( !isset( $_POST['url'] )
- || !isset( $_REQUEST['article'] ) )
-	XMLerror("Required field not specified");
+		if( !$wgUseTrackbacks && false )
+			$this->XMLerror( "Trackbacks are disabled" );
 
-$dbw = wfGetDB( DB_MASTER );
+		$this->r = $wgRequest;
 
-$tbtitle = strval( @$_POST['title'] );
-$tbex = strval( @$_POST['excerpt'] );
-$tburl = strval( $_POST['url'] );
-$tbname = strval( @$_POST['blog_name'] );
-$tbarticle = strval( $_REQUEST['article'] );
+		if( !$this->r->wasPosted() ) {
+			$this->XMLerror( "Must be posted" );
+		}
 
-$title = Title::newFromText($tbarticle);
-if( !$title || !$title->exists() )
-	XMLerror( "Specified article does not exist." );
+		$this->url = $wgRequest->getText( 'url' );
+		$article = $wgRequest->getText( 'article' );
 
-$dbw->insert('trackbacks', array(
-	'tb_page'	=> $title->getArticleID(),
-	'tb_title'	=> $tbtitle,
-	'tb_url'	=> $tburl,
-	'tb_ex'		=> $tbex,
-	'tb_name'	=> $tbname
-));
+		if( !$this->url || !$article ) {
+			$this->XMLerror( "Required field not specified" );
+		}
 
-$dbw->commit();
+		$this->title = Title::newFromText( $article );
+		if( !$this->title || !$this->title->exists() ) {
+			$this->XMLerror( "Specified article does not exist." );
+		}
+	}
+
+	public function write() {
+		$dbw = wfGetDB( DB_MASTER );
+
+		$tbtitle = $this->r->getText( 'title' );
+		$tbex = $this->r->getText( 'excerpt' );
+		$tbname = $this->r->getText( 'blog_name' );
+
+		$dbw->insert('trackbacks', array(
+			'tb_page'	=> $this->title->getArticleID(),
+			'tb_title'	=> $tbtitle,
+			'tb_url'	=> $this->url,
+			'tb_ex'		=> $tbex,
+			'tb_name'	=> $tbname
+		));
+
+		$dbw->commit();
+
+		$this->XMLsuccess();
+	}
+}
 
-XMLsuccess();
+$tb = new TrackBack();
+$tb->write();
-- 
2.20.1