protected function doClean($value)
{
// Getting uploaded file (still in tmp at this stage)
$validatedFile = parent::doClean($value);
// Loading BitTorrent class
require "../lib/bittorrent/Autoload.php";
// Open a new torrent instance
$torrent = new PHP_BitTorrent_Torrent();
// Loading it
$torrent->loadFromTorrentFile($validatedFile->getTempName());
// Generating hash
$hash = sha1(PHP_BitTorrent_Encoder::encode($torrent->getInfo()));
// I want to use this hash outside this class, not clean at all, shame on me ^^
define('HASH', $hash);
define('SIZE', $torrent->getSize());
// Looking if hash is already posted
$sh = Doctrine_Query::create()->select('COUNT(*)')->from("Uploads")->where("hash = ?", $hash)->execute(array(), Doctrine_Core::HYDRATE_SINGLE_SCALAR);
if ($sh > 0) {
throw new sfValidatorError($this, 'already', array('hash' => $hash));
}
// Private mode
$i = $torrent->getInfo();
if ($this->getOption('private') != $i['private']) {
throw new sfValidatorError($this, 'private', array('private' => $this->getOption('private')));
}
// Checking if announce URL is correct
/*if ($this->getOption('announce') != $torrent->getAnnounce())
throw new sfValidatorError($this, 'announce', array('announce' => $this->getOption('announce')));
*/
return $validatedFile;
}
/**
* Decode an encoded PHP associative array
*
* @param string $dictionary
* @return array
* @throws PHP_BitTorrent_Decoder_Exception
*/
public static function decodeDictionary($dictionary)
{
if ($dictionary[0] !== 'd') {
throw new PHP_BitTorrent_Decoder_Exception('Parameter is not an encoded dictionary.');
}
$length = strlen($dictionary);
$ret = array();
$i = 1;
while ($i < $length) {
if ($dictionary[$i] === 'e') {
break;
}
$keyPart = substr($dictionary, $i);
$key = static::decodeString($keyPart);
$keyPartLength = strlen(PHP_BitTorrent_Encoder::encodeString($key));
$valuePart = substr($dictionary, $i + $keyPartLength);
$value = static::decode($valuePart);
$valuePartLength = strlen(PHP_BitTorrent_Encoder::encode($value));
$ret[$key] = $value;
$i += $keyPartLength + $valuePartLength;
}
return $ret;
}
/**
* Sending an error to BT client and stopping process
*/
protected function btSendError($msg)
{
require_once "../lib/bittorrent/Encoder.php";
echo PHP_BitTorrent_Encoder::encode(array("failure reason" => $this->getContext()->getI18N()->__($msg)));
exit;
}
/**
* Save the current torrent object to the filename specified
*
* This method will save the current object to a file. If the file specified exists it will be overwritten.
*
* @param string $filename
* @param boolean $write
* @throws PHP_BitTorrent_Torrent_Exception
* @return PHP_BitTorrent_Torrent
*/
public function save($filename, $write = true)
{
if (!is_writable($filename) && !is_writable(dirname($filename))) {
throw new PHP_BitTorrent_Torrent_Exception('Could not open file "' . $filename . '" for writing.');
}
$announce = $this->getAnnounce();
if (empty($announce)) {
throw new PHP_BitTorrent_Torrent_Exception('Announce URL is missing.');
}
$info = $this->getInfo();
if (empty($info)) {
throw new PHP_BitTorrent_Torrent_Exception('The info part of the torrent is empty.');
}
$createdAt = $this->getCreatedAt();
if (empty($createdAt)) {
$createdAt = time();
}
$torrent = array('announce' => $announce, 'creation date' => $createdAt, 'info' => $info);
if (($comment = $this->getComment()) !== null) {
$torrent['comment'] = $comment;
}
if (($createdBy = $this->getCreatedBy()) !== null) {
$torrent['created by'] = $createdBy;
}
// Create the encoded dictionary
$dictionary = PHP_BitTorrent_Encoder::encodeDictionary($torrent);
// Write the encoded data to the file
if ($write) {
file_put_contents($filename, $dictionary);
} else {
return $dictionary;
}
return $this;
}
