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<?php
/**
* Bitrix Framework
* @package bitrix
* @subpackage main
* @copyright 2001-2018 Bitrix
*/
namespace Bitrix\Main\Mail;
/**
* Class Part
* @package Bitrix\Main\Mail
*/
class Part
{
/** @var [] $headers Headers. */
protected $headers = [];
/** @var string $body Body. */
protected $body = '';
/** @var string $eol Symbol of end-of-line. */
protected $eol;
/**
* Multipart constructor.
*/
public function __construct()
{
$this->eol = Mail::getMailEol();
}
/**
* Get EOL.
*
* @return string
*/
public function getEol()
{
return $this->eol;
}
/**
* Set EOL.
*
* @param string $eol
* @return $this
*/
public function setEol($eol)
{
$this->eol = $eol;
return $this;
}
/**
* Add header.
*
* @param string $name Name.
* @param string $value Value.
* @return $this
*/
public function addHeader($name, $value)
{
$this->headers[$name] = $value;
return $this;
}
/**
* Set headers.
*
* @param array $headers Headers.
* @return $this
*/
public function setHeaders(array $headers)
{
$this->headers = [];
foreach ($headers as $name => $value)
{
$this->addHeader($name, $value);
}
return $this;
}
/**
* Get headers.
*
* @return array
*/
public function getHeaders()
{
return $this->headers;
}
/**
* Get header.
*
* @param string $name Name.
* @return mixed|null
*/
public function getHeader($name)
{
return $this->headers[$name] ?? null;
}
/**
* Set body.
*
* @param string $body Body.
* @return $this
*/
public function setBody($body)
{
$this->body = $body;
return $this;
}
/**
* Get body.
*
* @return string
*/
public function getBody()
{
return $this->body;
}
/**
* Convert to string.
*
* @return string
*/
public function toStringBody()
{
return $this->splitBody($this->body) . $this->eol . $this->eol;
}
/**
* Convert headers to string.
*
* @return string
*/
public function toStringHeaders()
{
$result = '';
foreach ($this->headers as $name => $value)
{
$result .= $name . ': '. $value . $this->eol;
}
return $result ? $result : '';
}
/**
* Convert object to string.
*
* @return string
*/
public function toString()
{
return $this->toStringHeaders() . $this->eol . $this->toStringBody();
}
/**
* Magic method.
*
* @return string
*/
public function __toString()
{
return $this->toString();
}
protected function splitBody(&$body)
{
if ($this->getHeader('Content-Transfer-Encoding') === 'base64')
{
return rtrim(chunk_split(base64_encode($body), 76, $this->eol));
}
elseif ($this->getHeader('Content-Transfer-Encoding') === 'quoted-printable')
{
return str_replace(
$this->eol !== "\r\n" ? "=\r\n" : '',
'=' . $this->eol,
quoted_printable_encode($body)
);
}
else
{
return preg_replace(
'/(.{1,990})(?:\s|$)|(.{990})/S',
'$1$2' . $this->eol,
$body
);
}
}
}