1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

use base64::engine::general_purpose::STANDARD;
use base64::Engine;
use serde::de::Error;
use serde::Serializer;
use serde::{Deserialize, Deserializer};

pub fn serialize<S>(byte: &[u8], serializer: S) -> Result<S::Ok, S::Error>
where
    S: Serializer,
{
    serializer.serialize_str(&STANDARD.encode(byte))
}

pub fn deserialize<'de, D>(deserializer: D) -> Result<Vec<u8>, D::Error>
where
    D: Deserializer<'de>,
{
    let unparsed = <&str>::deserialize(deserializer)?;
    STANDARD
        .decode(unparsed)
        .map_err(|err| D::Error::custom(format_args!("base64 decode error: {}", err)))
}