/// <summary>
///
/// </summary>
/// <param name="protoBatch"> The diagnosis key batch, from which the information to generate the bytes to verify are obtained. Keys inside the batch MUST be sorted</param>
/// <returns></returns>
public byte[] Sign(TemporaryExposureKeyGatewayBatchDto protoBatch, SortOrder keysSortOrder)
{
MemoryStream memStream = new MemoryStream();
Func <byte[], string> keyEncodingForSortFunc = keySigBytes => _encodingService.EncodeToBase64(keySigBytes);
var comparer = StringComparer.Ordinal;
var query = protoBatch.Keys.Select(GenerateSignaturePayloadFromKey);
query = (keysSortOrder == SortOrder.ASC) ? query.OrderBy(keyEncodingForSortFunc, comparer) : query.OrderByDescending(keyEncodingForSortFunc, comparer);
var sortedKeySignatures = query.ToList();
sortedKeySignatures.ForEach(sig =>
{
memStream.Write(sig);
});
return(SignWithCertificate(memStream.ToArray()));
}
public string TestEncodeToBase64(string stringToEncode)
{
return(_encodingService.EncodeToBase64(stringToEncode));
}
private bool TrySendKeyBatchToTheGateway(TemporaryExposureKeyGatewayBatchProtoDto protoBatch, SortOrder keySortOrderForSignature)
{
var upoadKeysEndpointUrl = _euGatewayConfig.UrlNormalized + EuGatewayContract.Endpoint.KeysUploadEndpoint;
var batchBytes = protoBatch.ToByteArray();
//sign
var signing = _signatureService.Sign(protoBatch, keySortOrderForSignature);
var signingBase64 = _encodingService.EncodeToBase64(signing);
var body = new ByteArrayContent(batchBytes);
var uniqueTag = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds().ToString();
body.Headers.Add("batchTag", uniqueTag);
body.Headers.Add("Content-Type", "application/protobuf;version=1.0");
body.Headers.Add("batchSignature", signingBase64);
var response = _gatewayHttpClient.PostAsync(upoadKeysEndpointUrl, body).Result;
var message = response.Content.ReadAsStringAsync().Result;
var code = response.StatusCode;
switch (code)
{
case System.Net.HttpStatusCode.OK:
_logger.LogInformation($"Response - OK. Message: {message}");
var containsHtml = message.Contains("<body>");
_logger.LogError($"UeGateway response with code 200 with HTML in the response: {containsHtml}. UeGateway Server is down!");
// Server is down - https://github.com/eu-federation-gateway-service/efgs-federation-gateway/issues/151
break;
case System.Net.HttpStatusCode.Created:
_logger.LogInformation("Keys successfully uploaded.");
return(true);
case System.Net.HttpStatusCode.MultiStatus:
_logger.LogWarning($"Data partially added with warnings: {message}.");
return(true);
case System.Net.HttpStatusCode.BadRequest:
_logger.LogError($"Bad request: {message}");
break;
case System.Net.HttpStatusCode.Forbidden:
_logger.LogError($"Forbidden call in cause of missing or invalid client certificate. Message: {message}");
break;
case System.Net.HttpStatusCode.NotAcceptable:
_logger.LogError($"Data format or content is not valid. Massage:{message}");
break;
case System.Net.HttpStatusCode.Conflict:
_logger.LogError($"Data already exist. Message: {message}");
break;
case System.Net.HttpStatusCode.RequestEntityTooLarge:
_logger.LogError($"Payload to large. Message: {message}");
break;
case System.Net.HttpStatusCode.InternalServerError:
_logger.LogError($"Are not able to write data. Retry please. Message: {message}");
break;
default:
_logger.LogError($"Response code was not recognized. Status code: {code}, message: {message}");
break;
}
return(false);
}