internal static string GetUrl(IClientConfig config, RegionEndpoint regionEndpoint)
{
var endpoint =
regionEndpoint.GetEndpointForService(
config.RegionEndpointServiceName,
config.ToGetEndpointForServiceOptions());
string url = new Uri(string.Format(CultureInfo.InvariantCulture, "{0}{1}", config.UseHttp ? "http://" : "https://", endpoint.Hostname)).AbsoluteUri;
return(url);
}
public static RegionEndpoint.Endpoint GetEndpointForService(this RegionEndpoint endpoint, IClientConfig config)
{
return(endpoint.GetEndpointForService(config.RegionEndpointServiceName, config.ToGetEndpointForServiceOptions()));
}
/// <summary>
/// Inspects the supplied evidence to determine if sigv4 or sigv2 signing should be used
/// </summary>
/// <param name="useSigV4Setting">Global setting for the service</param>
/// <param name="request">The request.</param>
/// <param name="config">Configuration for the client</param>
/// <returns>True if signature v4 request signing should be used, false if v2 signing should be used</returns>
protected static bool UseV4Signing(bool useSigV4Setting, IRequest request, IClientConfig config)
{
if (request.SignatureVersion == SignatureVersion.SigV4 ||
config.SignatureVersion == "4" ||
(useSigV4Setting && config.SignatureVersion != "2"))
{
return(true);
}
else
{
// do a cascading series of checks to try and arrive at whether we have
// a recognisable region; this is required to use the AWS4 signer
RegionEndpoint r = null;
if (!string.IsNullOrEmpty(request.AuthenticationRegion))
{
r = RegionEndpoint.GetBySystemName(request.AuthenticationRegion);
}
if (r == null && !string.IsNullOrEmpty(config.ServiceURL))
{
var parsedRegion = AWSSDKUtils.DetermineRegion(config.ServiceURL);
if (!string.IsNullOrEmpty(parsedRegion))
{
r = RegionEndpoint.GetBySystemName(parsedRegion);
}
}
if (r == null && config.RegionEndpoint != null)
{
r = config.RegionEndpoint;
}
if (r != null)
{
var endpoint = r.GetEndpointForService(config.RegionEndpointServiceName, config.ToGetEndpointForServiceOptions());
if (endpoint != null && (endpoint.SignatureVersionOverride == "4" || string.IsNullOrEmpty(endpoint.SignatureVersionOverride)))
{
return(true);
}
}
return(false);
}
}
