A PHP script that creates a RSS feed containing the latest builds on dl.bukkit.org

dbo_rss.php

<?php

/**
 * Bukkit Build RSS Generator
 *
 * @version 0.3
 * @license https://www.gnu.org/licenses/lgpl-2.1.html GNU Lesser General Public License
 */
 
/* Channel configuration */

  //The paths of different download-channels. These will be appended to the API base URL
  $channels = array(
    'rb' => array(
      'url' => 'projects/craftbukkit/artifacts/rb/',
      'show_broken' => 'false', //whether to show builds marked as broken
      'git_url' => 'https://api.github.com/repos/Bukkit/CraftBukkit/git/commits/'
    ),
    'beta' => array(
      'url' => 'projects/craftbukkit/artifacts/beta/',
      'show_broken' => 'false', //whether to show builds marked as broken
      'git_url' => 'https://api.github.com/repos/Bukkit/CraftBukkit/git/commits/'
    ),
    'dev' => array(
      'url' => 'projects/craftbukkit/artifacts/dev/',
      'show_broken' => 'true', //whether to show builds marked as broken
      'git_url' => 'https://api.github.com/repos/Bukkit/CraftBukkit/git/commits/'
    )
  );

  
/* Check channel parameter */
  if(!@$_GET['channel']){
    print("No channel selected!<br>\nConfigured channels:");
    foreach($channels as $name=>$url){
      $script_name = $_SERVER['SCRIPT_NAME'];
      print("<br>\n<a href=\"$script_name?channel=$name\">$name</a>");
    }exit();
  }else{
    $chan = $_GET['channel'];
    header("Content-Type: application/rss+xml");
  }
  if(!$channels[strtolower($chan)])die("Undefined channel: \"$chan\"");
  $channel = $channels[strtolower($chan)];
  $slug = $channel['url']; //No need to edit this!
  
  
/* Further configuration */  

  //Beautify RSS: true/false. Set to false to save resources (but feed source code will be in one line)
  $reparse_dom = true;
  
  //Link type in RSS feed. Put true for the detail page or false for the file download link.
  $link_to_article = true;

  //RSS header information
  $rss_headers = array(
    'title' => "CraftBukkit-Builds: $chan",
    'link' => 'http://dl.bukkit.org/', //You should put your website url here
    'description' => "The latest builds in the $chan-channel on dl.bukkit.org",
    'language' => 'en-us',
    'pubDate' => date('D, d M Y H:i:s', time()) . ' GMT', //Current time
    'lastBuildDate' => date('D, d M Y H:i:s', time()) . ' GMT', //Current time
    'generator' => 'BukkitDL Parser by JWhy (https://gist.github.com/JWhy/5176655)', //Yep, you MAY change that ;)
    'webMaster' => 'webmaster@mynicewebsite.com', //Correct your email
  );
  
  //The base URL of the dl.bukkit.org website (no trailing slash!)
  $webdl_url = 'http://dl.bukkit.org';
  
  //The base URL of the dl.bukkit.org API
  $api_url = 'http://dl.bukkit.org/api/1.0/downloads/';
  
  //Will be appended to the url. Default will force dl.bukkit.org to reply with xml
  $params = "?_accept=application/xml"; 

/* Git message function */
  
  function getGitMessage($url, $ch){
    curl_setopt($ch, CURLOPT_URL, $url);
    $json = json_decode(curl_exec($ch));
    return($json->message);
  }

/* Load and parse XML */
  $channel_xml = simplexml_load_file( $api_url . $slug . $params );
  $items = $channel_xml->results->children();

/* Create new XML object for RSS */
  $xml_template = "<?xml version=\"1.0\"?>\n<rss version=\"2.0\">\n  <channel>\n  </channel>\n</rss>";
  $rss = simplexml_load_string($xml_template);

/* Fill template with latest builds */
  $rss_chan = $rss->channel;
  $br = '<pre></pre> ';
  foreach($items as $build){
  
    $link = '';
    $build_desc = $build->project->name . ' ' . $build->channel->name . ' ' . $build->build_number . ' ('
    . $build->version . ')';
    
    $dl_link = $webdl_url . $build->file->url;
    $detail_link = $webdl_url . $build->html_url;
    $gh_commit = $build->project->github_project_url . "/commit/" . $build->commit->ref;
    
    if(!$link_to_article) $link = $dl_link;
    if($link_to_article) $link = $detail_link;

    //Exclude broken builds if configured
    if($build->is_broken == "False" || $channel['show_broken']){
      $item = $rss_chan->addChild('item');
      $item->addChild('title', "$build_desc released");
      $item->addChild('link', $link);
      $item->addChild('guid', $dl_link);
      $item->addChild('pubDate', date('D, d M Y H:i:s', strtotime(substr($build->created, 0, -6))) . ' GMT');
      $item->addChild('description',
        "<a href=\"$dl_link\">Download</a>, <a href=\"$detail_link\">view details</a> or 
        <a href=\"$gh_commit\">view GitHub commit</a>" . $br .
        "Download count: " . $build->download_count . $br .
        "File size: " . (floor($build->file->size / 10000)/100) . " MB" . $br .
        "MD5 hash: " . $build->file->checksum_md5 . $br
      );
    }
  }

/* Beautify RSS */
  if($reparse_dom){
    $doc = new DOMDocument('1.0');
    $doc->preserveWhiteSpace = false;
    $doc->loadXML($rss->asXML());
    $doc->formatOutput = true;
    print($doc->saveXML());
  }else{
    print($rss->asXML());
  }
  
/* Close curl */
  curl_close($ch);
?>