getSignedHeaders method

String getSignedHeaders()

Returns signed headers

See: https://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html

Implementation

String getSignedHeaders() {
  var result = <String>[];

  var sortedKeys = headers.keys.map((e) => e.toLowerCase()).toList()..sort();
  for (var key in sortedKeys) {
    result.add(key);
  }

  return result.join(';');
}