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<?php
namespace Laminas\Mail\Transport;
use Laminas\Mail\Exception;
use Laminas\Mail\Exception\InvalidArgumentException;
use Laminas\Stdlib\AbstractOptions;
use function gettype;
use function is_callable;
use function is_dir;
use function is_object;
use function is_writable;
use function mt_rand;
use function sprintf;
use function sys_get_temp_dir;
use function time;
/**
* @extends AbstractOptions<string|callable>
*/
class FileOptions extends AbstractOptions
{
/** @var string Path to stored mail files */
protected $path;
/** @var callable */
protected $callback;
/**
* Set path to stored mail files
*
* @param string $path
* @throws InvalidArgumentException
* @return FileOptions
*/
public function setPath($path)
{
if (! is_dir($path) || ! is_writable($path)) {
throw new Exception\InvalidArgumentException(sprintf(
'%s expects a valid path in which to write mail files; received "%s"',
__METHOD__,
(string) $path
));
}
$this->path = $path;
return $this;
}
/**
* Get path
*
* If none is set, uses value from sys_get_temp_dir()
*
* @return string
*/
public function getPath()
{
if (null === $this->path) {
$this->setPath(sys_get_temp_dir());
}
return $this->path;
}
/**
* Set callback used to generate a file name
*
* @param callable $callback
* @throws InvalidArgumentException
* @return FileOptions
*/
public function setCallback($callback)
{
if (! is_callable($callback)) {
throw new Exception\InvalidArgumentException(sprintf(
'%s expects a valid callback; received "%s"',
__METHOD__,
is_object($callback) ? $callback::class : gettype($callback)
));
}
$this->callback = $callback;
return $this;
}
/**
* Get callback used to generate a file name
*
* @return callable
*/
public function getCallback()
{
if (null === $this->callback) {
$this->setCallback(static fn() => 'LaminasMail_' . time() . '_' . mt_rand() . '.eml');
}
return $this->callback;
}
}