src/encoding.rs at main · kayrozen.com/smokesignal

kayrozen.com / smokesignal

forked from smokesignal.events/smokesignal

i18n+filtering fork - fluent-templates v2

smokesignal / src / encoding.rs

at main 1.1 kB view raw

 1use anyhow::Result;
 2use base64::{engine::general_purpose, Engine as _};
 3use serde::{Deserialize, Serialize};
 4use std::borrow::Cow;
 5
 6use crate::encoding_errors::EncodingError;
 7
 8pub trait ToBase64 {
 9    fn to_base64(&self) -> Result<Cow<str>>;
10}
11
12impl<T: Serialize> ToBase64 for T {
13    fn to_base64(&self) -> Result<Cow<str>> {
14        let json_bytes =
15            serde_json::to_vec(&self).map_err(EncodingError::JsonSerializationFailed)?;
16        let encoded_json_bytes = general_purpose::URL_SAFE_NO_PAD.encode(json_bytes);
17        Ok(Cow::Owned(encoded_json_bytes))
18    }
19}
20
21pub trait FromBase64: Sized {
22    fn from_base64<Input: ?Sized + AsRef<[u8]>>(raw: &Input) -> Result<Self>;
23}
24
25impl<T: for<'de> Deserialize<'de> + Sized> FromBase64 for T {
26    fn from_base64<Input: ?Sized + AsRef<[u8]>>(raw: &Input) -> Result<Self> {
27        let content = general_purpose::URL_SAFE_NO_PAD
28            .decode(raw)
29            .map_err(EncodingError::Base64DecodingFailed)?;
30        serde_json::from_slice(&content)
31            .map_err(|err| EncodingError::JsonDeserializationFailed(err).into())
32    }
33}