Final Form

src/Web/Common/Security/ClaimsPrincipalExtensions.cs

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+using System.Security.Claims;
+
+namespace Hutopy.Web.Common.Security;
+
+public static class ClaimsPrincipalExtensions
+{
+    public static Guid GetUserId(this ClaimsPrincipal claims)
+    {
+        return (Guid)claims.GetRequiredClaim<Guid>(ClaimTypes.NameIdentifier);
+    }
+    
+    public static string GetName(this ClaimsPrincipal claims)
+    {
+        return (string)claims.GetRequiredClaim<string>(ClaimTypes.Name);
+    }
+    
+    public static string? GetAlias(this ClaimsPrincipal claims)
+    {
+        return (string?)claims.GetClaim<string?>(KnownClaims.Alias);
+    } 
+    
+    public static string? GetPortraitUrl(this ClaimsPrincipal claims)
+    {
+        return (string?)claims.GetClaim<string?>(KnownClaims.PortraitUrl);
+    } 
+    
+    public static string GetFirstName(this ClaimsPrincipal claims)
+    {
+        return (string)claims.GetRequiredClaim<string>(ClaimTypes.GivenName);
+    }
+
+    public static string GetLastName(this ClaimsPrincipal claims)
+    {
+        return (string)claims.GetRequiredClaim<string>(ClaimTypes.Surname);
+    }
+
+    public static string GetEmail(this ClaimsPrincipal claims)
+    {
+        return (string)claims.GetRequiredClaim<string>(ClaimTypes.Email);
+    }
+
+    public static object? GetClaim<TValue>(this ClaimsPrincipal claims, string key)
+    {
+        var claim = claims.FindFirst(key);
+
+        if (claim is null) return default;
+        return claims.GetRequiredClaim<TValue>(key);
+    }
+    
+    public static object GetRequiredClaim<TValue>(this ClaimsPrincipal claims, string key)
+    {
+        var claim = claims.FindFirst(key);
+
+        if (claim is null) throw new MissingClaimException(key);
+
+        if (typeof(TValue) == typeof(Guid))
+        {
+            return Guid.Parse(claim.Value);
+        }
+
+        return Convert.ChangeType(claim.Value, typeof(TValue));
+    }
+}