public void Authenticate(IRestClient client, IRestRequest request)
{
var body = request.Parameters.First(p => p.Type == ParameterType.RequestBody).Value.ToString();
var contentHash = Aws4SignerBase.CanonicalRequestHashAlgorithm.ComputeHash(Encoding.UTF8.GetBytes(body));
var contentHashString = Aws4SignerBase.ToHexString(contentHash, true);
var headers = new Dictionary <string, string>
{
{ Aws4SignerBase.X_Amz_Content_SHA256, contentHashString },
{ "content-type", "application/json" }
};
var signer = new Aws4SignerForAuthorizationHeader
{
EndpointUri = new Uri(client.BaseUrl + request.Resource),
HttpMethod = request.Method.ToString(),
Service = "es",
Region = Aws4SignerRegion
};
var authorizationHeaderValue = signer.ComputeSignature(headers,
"", // no query parameters
contentHashString,
Aws4SignerAccessKey,
Aws4SignerSecretKey);
foreach (var header in headers.Keys)
{
if (header.Equals("host", StringComparison.OrdinalIgnoreCase))
{
continue;
}
if (header.Equals("content-length", StringComparison.OrdinalIgnoreCase))
{
request.AddHeader("content-length", long.Parse(headers[header]).ToString());
}
else if (header.Equals("content-type", StringComparison.OrdinalIgnoreCase))
{
request.AddHeader("content-type", headers[header]);
}
else
{
request.AddHeader(header, headers[header]);
}
}
request.AddHeader("Authorization", authorizationHeaderValue);
}
public string CreateAuthenticationHeader(RequestData requestData)
{
var webRequest = requestData.WebRequest;
var contentHash = Aws4SignerBase.CanonicalRequestHashAlgorithm.ComputeHash(Encoding.UTF8.GetBytes(requestData.RequestString));
var contentHashString = Aws4SignerBase.ToHexString(contentHash, true);
var headers = new Dictionary <string, string>
{
{ Aws4SignerBase.X_Amz_Content_SHA256, contentHashString },
{ "content-type", "text/plain" }
};
var signer = new Aws4SignerForAuthorizationHeader
{
EndpointUri = new Uri(requestData.Url),
HttpMethod = webRequest.Method,
Service = "es",
Region = Aws4SignerRegion
};
var authorizationHeaderValue = signer.ComputeSignature(headers,
"", // no query parameters
contentHashString,
Aws4SignerAccessKey,
Aws4SignerSecretKey);
foreach (var header in headers.Keys)
{
if (header.Equals("host", StringComparison.OrdinalIgnoreCase))
{
continue;
}
if (header.Equals("content-length", StringComparison.OrdinalIgnoreCase))
{
webRequest.ContentLength = long.Parse(headers[header]);
}
else if (header.Equals("content-type", StringComparison.OrdinalIgnoreCase))
{
webRequest.ContentType = headers[header];
}
else
{
webRequest.Headers.Add(header, headers[header]);
}
}
return(authorizationHeaderValue);
}
