chore: moving towards agentic development

backend/src/Socialize.Api/Infrastructure/Security/ClaimsPrincipalExtensions.cs

@@ -0,0 +1,91 @@
+using System.Security.Claims;
+
+namespace Socialize.Infrastructure.Security;
+
+public static class ClaimsPrincipalExtensions
+{
+    public static IReadOnlyCollection<Guid> GetScopeIds(this ClaimsPrincipal claims, string key)
+    {
+        return claims.FindAll(key)
+            .Select(claim => Guid.TryParse(claim.Value, out Guid value) ? value : Guid.Empty)
+            .Where(value => value != Guid.Empty)
+            .Distinct()
+            .ToArray();
+    }
+
+    public static IReadOnlyCollection<Guid> GetWorkspaceScopeIds(this ClaimsPrincipal claims)
+    {
+        return claims.GetScopeIds(KnownClaims.WorkspaceScope);
+    }
+
+    public static IReadOnlyCollection<Guid> GetClientScopeIds(this ClaimsPrincipal claims)
+    {
+        return claims.GetScopeIds(KnownClaims.ClientScope);
+    }
+
+    public static IReadOnlyCollection<Guid> GetProjectScopeIds(this ClaimsPrincipal claims)
+    {
+        return claims.GetScopeIds(KnownClaims.ProjectScope);
+    }
+
+    public static string? GetPersona(this ClaimsPrincipal claims)
+    {
+        return (string?)claims.GetClaim<string?>(KnownClaims.Persona);
+    }
+
+    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);
+    }
+
+    private static object? GetClaim<TValue>(this ClaimsPrincipal claims, string key)
+    {
+        Claim? claim = claims.FindFirst(key);
+
+        return claim is null ? null : claims.GetRequiredClaim<TValue>(key);
+    }
+
+    private static object GetRequiredClaim<TValue>(this ClaimsPrincipal claims, string key)
+    {
+        Claim? claim = claims.FindFirst(key);
+
+        if (claim is null)
+        {
+            throw new MissingClaimException(key);
+        }
+
+        return typeof(TValue) == typeof(Guid)
+            ? Guid.Parse(claim.Value)
+            : Convert.ChangeType(claim.Value, typeof(TValue));
+    }
+}