vaultwarden/libs/jsonwebtoken/src/serialization.rs

43 lines
1.3 KiB
Rust

use base64;
use serde::de::DeserializeOwned;
use serde::ser::Serialize;
use serde_json::{from_str, to_string, Value};
use serde_json::map::Map;
use errors::{Result};
use header::Header;
/// The return type of a successful call to decode
#[derive(Debug)]
pub struct TokenData<T> {
/// The decoded JWT header
pub header: Header,
/// The decoded JWT claims
pub claims: T
}
/// Serializes to JSON and encodes to base64
pub fn to_jwt_part<T: Serialize>(input: &T) -> Result<String> {
let encoded = to_string(input)?;
Ok(base64::encode_config(encoded.as_bytes(), base64::URL_SAFE_NO_PAD))
}
/// Decodes from base64 and deserializes from JSON to a struct
pub fn from_jwt_part<B: AsRef<str>, T: DeserializeOwned>(encoded: B) -> Result<T> {
let decoded = base64::decode_config(encoded.as_ref(), base64::URL_SAFE_NO_PAD)?;
let s = String::from_utf8(decoded)?;
Ok(from_str(&s)?)
}
/// Decodes from base64 and deserializes from JSON to a struct AND a hashmap
pub fn from_jwt_part_claims<B: AsRef<str>, T: DeserializeOwned>(encoded: B) -> Result<(T, Map<String, Value>)> {
let decoded = base64::decode_config(encoded.as_ref(), base64::URL_SAFE_NO_PAD)?;
let s = String::from_utf8(decoded)?;
let claims: T = from_str(&s)?;
let map: Map<_,_> = from_str(&s)?;
Ok((claims, map))
}