use super::{CloneableSecret, DebugSecret, ExposeSecret, Secret};
use bytes_crate::{Bytes, BytesMut};
use core::fmt;
use zeroize::Zeroize;
#[cfg(feature = "serde")]
use serde::de::{Deserialize, Deserializer};
#[derive(Clone)]
pub struct SecretBytes(Option<Bytes>);
impl SecretBytes {
pub fn new(bytes: impl Into<Bytes>) -> SecretBytes {
SecretBytes(Some(bytes.into()))
}
}
impl ExposeSecret<Bytes> for SecretBytes {
fn expose_secret(&self) -> &Bytes {
self.0.as_ref().unwrap()
}
}
impl fmt::Debug for SecretBytes {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "SecretBytes(...)")
}
}
impl From<Bytes> for SecretBytes {
fn from(bytes: Bytes) -> SecretBytes {
SecretBytes::new(bytes)
}
}
impl From<BytesMut> for SecretBytes {
fn from(bytes: BytesMut) -> SecretBytes {
SecretBytes::new(bytes)
}
}
impl Drop for SecretBytes {
fn drop(&mut self) {
if let Some(bytes) = self.0.take() {
if let Ok(mut bytes_mut) = bytes.try_mut() {
bytes_mut.zeroize();
}
}
}
}
#[cfg(feature = "serde")]
impl<'de> Deserialize<'de> for SecretBytes {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
Bytes::deserialize(deserializer).map(SecretBytes::new)
}
}
pub type SecretBytesMut = Secret<BytesMut>;
impl DebugSecret for BytesMut {}
impl CloneableSecret for BytesMut {}