<?php

require_once('data.php');

/* sendToHost
 * ~~~~~~~~~~
 * Params:
 *   $host      - Just the hostname.  No http:// or 
                  /path/to/file.html portions
 *   $method    - get or post, case-insensitive
 *   $path      - The /path/to/file.html part
 *   $data      - The query string, without initial question mark
 *   $useragent - If true, 'MSIE' will be sent as 
                  the User-Agent (optional)
 *
 * Examples:
 *   sendToHost('www.google.com','get','/search','q=php_imlib');
 *   sendToHost('www.example.com','post','/some_script.cgi',
 *              'param=First+Param&second=Second+param');
 */

function sendToHost($host,$method,$path,$data)
{
    // Supply a default method of GET if the one passed was empty
    if (empty($method)) {
        $method = 'GET';
    }
    $method = strtoupper($method);
    $fp = fsockopen($host, 80);
    if ($method == 'GET') {
        $path .= '?' . $data;
    }
    fputs($fp, "$method $path HTTP/1.1\r\n");
    fputs($fp, "Host: $host\r\n");
    fputs($fp,"Content-type: application/x-www-form-urlencoded\r\n");
    fputs($fp, "Content-length: " . strlen($data) . "\r\n");
    fputs($fp, "User-Agent: MFM\r\n");

    fputs($fp, "Connection: close\r\n\r\n");
    if ($method == 'POST') {
        fputs($fp, $data);
    }

    while (!feof($fp)) {
        $buf .= fgets($fp,128);
    }
    fclose($fp);
    return $buf;
}

$mlink = mysql_pconnect('sandbox.colo.sourcelabs.com','user','12345') or die(mysql_error());
mysql_select_db('music') or die(mysql_error());

//handshake
if (isset($_GET['u']) and $_GET['u'] and isset($_GET['c']) and !$_POST['u'] and $_GET['hs'] == 'true')
{
  $handshakeQueryString = 'http://post.audioscrobbler.com/?hs=true&p=1.1&c='.
                     urlencode($_GET['c']).'&v='.urlencode($_GET['v']).'&u='.
                     urlencode($_GET['u']);

  Util::log($handshakeQueryString);

  $handshakeResult = file_get_contents($handshakeQueryString);

  header('Content-Type: text/plain;charset=ISO-8859-1');

  $handshakeLines = explode("\n",$handshakeResult);

  if (ereg('^http:',$handshakeLines[2]))
    die("$handshakeLines[0]\n$handshakeLines[1]\nhttp://sandbox.sourcelabs.com/mfm/grabthar.php?posturl=".urlencode($handshakeLines[2])."\n$handshakeLines[3]");
  else die($handshakeResult);
} 

//post
if ($_GET['posturl'] and $_POST['u'])
{
  $postAccepted = FALSE;
  $postUrl = parse_url($_GET['posturl']);

  $rawPost = file_get_contents('php://input');

  Util::log($rawPost);

  $response = sendToHost($postUrl['host'],'POST',$postUrl['path'],$rawPost);

  $responseLines = explode("\n",$response);

  for ($i = 1; $i < count($responseLines); $i++)
  {
      echo ( ereg('^FAILED',$responseLines[$i]) or ereg('^BADAUTH',$responseLines[$i]) or
             ereg('^OK$',$responseLines[$i]) or ereg('^INTERVAL', $responseLines[$i]) ) ? 
           $responseLines[$i]."\n" : '';

      if (ereg('^OK$',$responseLines[$i])) $postAccepted = TRUE;
  }

  for ($i = 0; $i < count($_POST['t']); $i++)
  {
      $song = new Song();

      $song->artist = $_POST['a'][$i];
      $song->title = $_POST['t'][$i];
      $song->length = $_POST['l'][$i];
      $song->album = $_POST['b'][$i];

      $song->initialize();

      if ($postAccepted) $song->registerPlay($_POST['u']);
  }

  die();
}

?>