public AutomaticValueResult GetAutomaticValueForClaim(ClaimKey claim, TokenBuilderContext context)
{
Ensure.That(claim).IsNotNull();
Ensure.That(context).IsNotNull();
if (claim == ClaimKey.Expires)
{
if (context.Configuration?.GetRefreshTokenLength() != null)
{
var expiry = context.ReferenceTime
.Add(context.Configuration.GetRefreshTokenLength().Value)
.ToUnixTimestamp();
return(AutomaticValueResult.CreateSuccess(claim, expiry));
}
else
{
return(AutomaticValueResult.CreateFail(claim,
"Refresh token length value not found in configuration."));
}
}
else
{
return(AutomaticValueResult.CreateFail(claim,
$"{claim} can not be automatically derived."));
}
}
public IDictionary <string, object> GetHeader(TokenBuilderContext context)
{
return(new Dictionary <string, object>()
{
{ "alg", "HS256" },
{ "typ", "JWT" }
});
}
public IEnumerable <string> FilterClaims(IEnumerable <string> claims, TokenBuilderContext context)
{
return(claims.Intersect(new string[]
{
ClaimKey.Expires,
ClaimKey.Subject
}));
}
private IDictionary <string, object> deriveAutomaticClaims(
ITokenSpec tokenSpec,
IEnumerable <string> automaticClaims,
TokenBuilderContext context)
{
Dictionary <string, object> answer = new Dictionary <string, object>();
foreach (var claim in automaticClaims)
{
var result = tokenSpec
.GetAutomaticValueForClaim(claim, context)
.ThrowOnFail();
if (result.Value != null)
{
answer[claim] = result.Value;
}
}
return(answer);
}
public IEnumerable <string> FilterClaims(IEnumerable <string> claims, TokenBuilderContext context)
{
return(claims);
}
public IDictionary <string, object> GetHeader(TokenBuilderContext context)
{
return(null);
}