openpgp-php/lib/OpenPgP/LiteralDataPacket.php
2020-06-17 22:44:51 +10:00

55 lines
1.5 KiB
PHP

<?php
namespace Leenooks\OpenPGP;
/**
* OpenPGP Literal Data packet (tag 11).
*
* @see http://tools.ietf.org/html/rfc4880#section-5.9
*/
class LiteralDataPacket extends Packet
{
protected $tag = 11;
public $format,$filename,$timestamp;
function __construct($data=NULL, $opt=array())
{
parent::__construct($data);
$this->format = isset($opt['format']) ? $opt['format'] : 'b';
$this->filename = isset($opt['filename']) ? $opt['filename'] : 'data';
$this->timestamp = isset($opt['timestamp']) ? $opt['timestamp'] : time();
}
function body()
{
return $this->format.chr(strlen($this->filename)).$this->filename.pack('N', $this->timestamp).$this->data;
}
function normalize($clearsign=false)
{
if ($clearsign && ($this->format != 'u' && $this->format != 't')) {
$this->format = 'u'; // Clearsign must be text
}
if ($this->format == 'u' || $this->format == 't') { // Normalize line endings
$this->data = str_replace("\n", "\r\n", str_replace("\r", "\n", str_replace("\r\n", "\n", $this->data)));
}
if ($clearsign) {
// When clearsigning, do not sign over trailing whitespace
$this->data = preg_replace('/\s+\r/', "\r", $this->data);
}
}
function read()
{
$this->size = $this->length - 1 - 4;
$this->format = $this->read_byte();
$filename_length = ord($this->read_byte());
$this->size -= $filename_length;
$this->filename = $this->read_bytes($filename_length);
$this->timestamp = $this->read_timestamp();
$this->data = $this->read_bytes($this->size);
}
}