/**
* Creates the element from the first found armor part of the class type
* in the armored input data.
*
* @param mixed $data Armored PGP data.
*
* @return Horde_Pgp_Element PGP element object.
*/
public static function create($data)
{
$class = get_called_class();
if ($data instanceof $class) {
return $data;
}
foreach (Horde_Pgp_Armor::create($data) as $val) {
if ($val instanceof $class) {
return $val;
}
}
return null;
}
/**
* Converts armored input into a Horde_Mime_Part object.
*
* @param mixed $input Armored input.
* @param array $opts Additional options:
* - charset: (string) Charset of the armored input.
*
* @return mixed Either null if no PGP data was found, or a
* Horde_Mime_Part object.
*/
public function armorToPart($input, array $opts = array())
{
$opts = array_merge(array('charset' => 'UTF-8'), $opts);
$armor = Horde_Pgp_Armor::create($input);
$new_part = new Horde_Mime_Part();
$new_part->setType('multipart/mixed');
foreach ($armor as $val) {
switch (get_class($val)) {
case 'Horde_Pgp_Element_Text':
$part = new Horde_Mime_Part();
$part->setType('text/plain');
$part->setCharset($opts['charset']);
$part->setContents($val->message[0]->data);
$new_part[] = $part;
break;
case 'Horde_Pgp_Element_PrivateKey':
case 'Horde_Pgp_Element_PublicKey':
$part = new Horde_Mime_Part();
$part->setType('application/pgp-keys');
$part->setContents(strval($val));
$new_part[] = $part;
break;
case 'Horde_Pgp_Element_Message':
// TODO: Message can also be text or signature
$part = $this->_encryptBase($val);
$part->setMetadata(self::PGP_ARMOR, true);
$part['2']->setMetadata(self::PGP_CHARSET, isset($val->headers['Charset']) ? $val->headers['Charset'] : 'UTF-8');
$new_part[] = $part;
break;
case 'Horde_Pgp_Element_SignedMessage':
$part = $this->_signPart($val->text, $val->signature);
$new_part[] = $part;
break;
}
}
return count($new_part->getParts()) ? $new_part : null;
}
