/**
* Parse the key.
*
* @param Key $key
*
* @return ParsedKey
*/
public function parse(Key $key)
{
try {
$resource = $key->getResource();
} catch (KeyFormatException $e) {
throw new KeyParsingException('Fail to load resource for key', 0, $e);
}
$rawData = openssl_pkey_get_details($resource);
if (!is_array($rawData)) {
throw new KeyParsingException(sprintf('Fail to parse key with error: %s', openssl_error_string()));
}
foreach (['type', 'key', 'bits'] as $requiredKey) {
if (!isset($rawData[$requiredKey])) {
throw new KeyParsingException(sprintf('Missing expected key "%s" in OpenSSL key', $requiredKey));
}
}
$details = [];
if ($rawData['type'] === OPENSSL_KEYTYPE_RSA) {
$details = $rawData['rsa'];
} elseif ($rawData['type'] === OPENSSL_KEYTYPE_DSA) {
$details = $rawData['dsa'];
} elseif ($rawData['type'] === OPENSSL_KEYTYPE_DH) {
$details = $rawData['dh'];
}
return new ParsedKey($key, $rawData['key'], $rawData['bits'], $rawData['type'], $details);
}
