src/Utilities/ClaimExtensions.cs


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using System.Linq;
using System.Security.Claims;
using System.Security.Principal;

namespace IOL.Fagprove.Utilities
{
    public static class ClaimExtensions
    {
        public static string GetClaimValue(this IPrincipal currentPrincipal, string key)
        {
            var identity = currentPrincipal.Identity as ClaimsIdentity;
            var claim = identity?.Claims.FirstOrDefault(c => c.Type == key);
            return claim?.Value;
        }
    }
}