public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
{
var propertiesWithEncryptedAttribute = value.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance)
.Where(p => p.GetCustomAttributes(typeof(JsonEncryptAttribute), false).Count() == 1);
foreach (var propertyWithEncryptedAttribute in propertiesWithEncryptedAttribute)
{
var encryptionKeyLookup = propertyWithEncryptedAttribute.GetCustomAttribute <JsonEncryptAttribute>().EncryptionKeyConfigurationPath;
var encryptionKey = _configuration.GetSection(encryptionKeyLookup).Value;
var valueToEncrypt = (string)propertyWithEncryptedAttribute.GetValue(value);
if (!string.IsNullOrWhiteSpace(valueToEncrypt))
{
var encryptedValue = AesStringEncryption.Encrypt(valueToEncrypt, encryptionKey);
propertyWithEncryptedAttribute.SetValue(value, encryptedValue);
}
}
JsonSerializer.Serialize(writer, value, value.GetType());
}
public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
var obj = JsonSerializer.Deserialize(ref reader, typeToConvert);
var propertiesWithEncryptedAttribute = typeToConvert.GetProperties(BindingFlags.Public | BindingFlags.Instance)
.Where(p => p.GetCustomAttributes(typeof(JsonEncryptAttribute), false).Count() == 1);
foreach (var propertyWithEncryptedAttribute in propertiesWithEncryptedAttribute)
{
var encryptionKeyLookup = propertyWithEncryptedAttribute.GetCustomAttribute <JsonEncryptAttribute>().EncryptionKeyConfigurationPath;
var encryptionKey = _configuration.GetSection(encryptionKeyLookup).Value;
var valueToDecrypt = (string)propertyWithEncryptedAttribute.GetValue(obj);
if (!string.IsNullOrWhiteSpace(valueToDecrypt))
{
var decryptedValue = AesStringEncryption.Decrypt(valueToDecrypt, encryptionKey);
propertyWithEncryptedAttribute.SetValue(obj, decryptedValue);
}
}
return((T)obj);
}
