/**
* Signs the Phar using a private key file.
*
* @param string $file The private key file name.
* @param string $password The private key password.
*
* @throws Exception\Exception
* @throws FileException If the private key file could not be read.
*/
public function signUsingFile($file, $password = null)
{
if (false === is_file($file)) {
throw FileException::create('The file "%s" does not exist or is not a file.', $file);
}
if (false === ($key = @file_get_contents($file))) {
throw FileException::lastError();
}
$this->sign($key, $password);
}
/**
* Reads a number of bytes from the file.
*
* @param integer $bytes The number of bytes.
*
* @return string The read bytes.
*
* @throws Exception
* @throws FileException If the file could not be read.
*/
private function read($bytes)
{
if (false === ($read = @fread($this->handle(), $bytes))) {
throw FileException::lastError();
}
if (($actual = strlen($read)) !== $bytes) {
throw FileException::create('Only read %d of %d bytes from "%s".', $actual, $bytes, $this->file);
}
return $read;
}