public Uri Sign(SignatureRequest arg)
{
if (arg == null)
{
throw new ArgumentNullException(nameof(arg));
}
if (!arg.Algorithm.Equals(AlgorithmName, StringComparison.OrdinalIgnoreCase))
{
throw new ArgumentException($"Algorithm \"{arg.Algorithm}\" is not supported", nameof(arg));
}
var urlBuilder = new UrlBuilder();
urlBuilder.AddAbsoluteUri(arg.Url.AbsoluteUri);
urlBuilder.AddQueryParam(SignatureRequest.AlgorithmKey, canonicalStringBuider.BuildAlgorithm(arg));
urlBuilder.AddQueryParam(SignatureRequest.CredentialKey, canonicalStringBuider.BuildCredentials(arg));
urlBuilder.AddQueryParam(SignatureRequest.DateKey, canonicalStringBuider.BuildTimestamp(arg));
urlBuilder.AddQueryParam(SignatureRequest.SignedHeadersKey, canonicalStringBuider.BuildSignedHeaders(arg));
var stringToSign = BuildStringToSign(arg);
var signature = hashCalculator.GetStringToSignHash(
stringToSign,
arg.Secret);
urlBuilder.AddQueryParam(SignatureRequest.SignatureKey, signature);
return(urlBuilder.ToUri(true));
}
public void AddAbsoluteUri_Without_Query_String_Should_Provide_The_Same_Uri()
{
underTest.AddAbsoluteUri("http://google.com?q=dragon");
underTest.ToUri().ToString().Should().Be("http://google.com/?q=dragon");
}
