internal static string CheckCustomClaims()

in FirebaseAdmin/FirebaseAdmin/Auth/UserRecordArgs.cs [216:244]

• 25 lines of code
• 7 McCabe index (conditional complexity)

        internal static string CheckCustomClaims(IReadOnlyDictionary<string, object> claims)
        {
            if (claims == null || claims.Count == 0)
            {
                return "{}";
            }

            foreach (var key in claims.Keys)
            {
                if (string.IsNullOrEmpty(key))
                {
                    throw new ArgumentException("Claim names must not be null or empty");
                }

                if (FirebaseTokenFactory.ReservedClaims.Contains(key))
                {
                    throw new ArgumentException($"Claim {key} is reserved and cannot be set");
                }
            }

            var customClaimsString = NewtonsoftJsonSerializer.Instance.Serialize(claims);
            var byteCount = Encoding.UTF8.GetByteCount(customClaimsString);
            if (byteCount > 1000)
            {
                throw new ArgumentException($"Claims must not be longer than 1000 bytes when serialized");
            }

            return customClaimsString;
        }