protected virtual string ComputeThrottleKey(RequestIdentity requestIdentity, RateLimitPeriod period,
ThrottlingBy throttlingBy)
{
return(core.ComputeThrottleKey(requestIdentity, period, throttlingBy));
}
internal string ComputeThrottleKey(RequestIdentity requestIdentity, RateLimitPeriod period, ThrottlingBy throttlingBy)
{
var keyValues = new List <string>()
{
ThrottleManager.GetThrottleKey()
};
if (Policy.IpThrottling && throttlingBy.HasFlag(ThrottlingBy.IpThrottling))
{
keyValues.Add(requestIdentity.ClientIp);
}
if (Policy.ClientThrottling && throttlingBy.HasFlag(ThrottlingBy.ClientThrottling))
{
keyValues.Add(requestIdentity.ClientKey);
}
if (Policy.EndpointThrottling && throttlingBy.HasFlag(ThrottlingBy.EndpointThrottling))
{
keyValues.Add(requestIdentity.Endpoint);
}
keyValues.Add(period.ToString());
var id = string.Join("_", keyValues);
var idBytes = Encoding.UTF8.GetBytes(id);
byte[] hashBytes;
using (var algorithm = System.Security.Cryptography.SHA1.Create())
{
hashBytes = algorithm.ComputeHash(idBytes);
}
var hex = BitConverter.ToString(hashBytes).Replace("-", string.Empty);
return(hex);
}