private IEnumerable <Claim> ConcatenateTransformation(ClaimTransformation claimTransformation, List <Claim> claims)
{
var transformedClaims = new List <Claim>();
var addTransformationClaim = false;
var values = new string[claimTransformation.ClaimsIn.Count()];
int i = 0;
foreach (var claimIn in claimTransformation.ClaimsIn)
{
var value = claims.Where(c => c.Type.Equals(claimIn, StringComparison.OrdinalIgnoreCase)).Select(c => c.Value).FirstOrDefault();
if (value != null)
{
addTransformationClaim = true;
values[i++] = value;
}
else
{
values[i++] = string.Empty;
}
}
if (addTransformationClaim)
{
var transformationValue = string.Format(claimTransformation.Transformation, values);
transformedClaims.Add(new Claim(claimTransformation.ClaimOut, transformationValue));
}
return(transformedClaims);
}
private IEnumerable <Claim> MatchTransformation(ClaimTransformation claimTransformation, List <Claim> claims)
{
var transformedClaims = new List <Claim>();
foreach (var claim in claims)
{
if (claim.Type.Equals(claimTransformation.ClaimsIn.Single(), StringComparison.OrdinalIgnoreCase) && claim.Value.Equals(claimTransformation.Transformation, StringComparison.OrdinalIgnoreCase))
{
transformedClaims.Add(new Claim(claimTransformation.ClaimOut, claimTransformation.TransformationExtension));
}
}
return(transformedClaims);
}
private IEnumerable <Claim> RegexMatchTransformation(ClaimTransformation claimTransformation, List <Claim> claims)
{
var transformedClaims = new List <Claim>();
var regex = new Regex(claimTransformation.Transformation, RegexOptions.IgnoreCase);
var claimIn = claimTransformation.ClaimsIn.Single();
foreach (var claim in claims)
{
if (claim.Type.Equals(claimIn, StringComparison.OrdinalIgnoreCase))
{
var match = regex.Match(claim.Value);
if (match.Success)
{
transformedClaims.Add(new Claim(claimTransformation.ClaimOut, claimTransformation.TransformationExtension));
}
}
}
return(transformedClaims);
}
private Claim ConstantTransformation(ClaimTransformation claimTransformation)
{
return(new Claim(claimTransformation.ClaimOut, claimTransformation.Transformation));
}