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germanubis
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jsonwebtoken
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master
src/serialization.rs
37 строк
1 KB
Vincent Prouillet
cargo fmt post edition bump
29 сен 2025, 22:37
29 сен 2025, 22:37
e72a3d4
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use base64::{Engine, engine::general_purpose::URL_SAFE_NO_PAD}; use serde::{Deserialize, Serialize}; use crate::errors::Result; #[inline] pub(crate) fn b64_encode<T: AsRef<[u8]>>(input: T) -> String { URL_SAFE_NO_PAD.encode(input) } #[inline] pub(crate) fn b64_decode<T: AsRef<[u8]>>(input: T) -> Result<Vec<u8>> { URL_SAFE_NO_PAD.decode(input).map_err(|e| e.into()) } /// Serializes a struct to JSON and encodes it in base64 pub(crate) fn b64_encode_part<T: Serialize>(input: &T) -> Result<String> { let json = serde_json::to_vec(input)?; Ok(b64_encode(json)) } /// This is used to decode from base64 then deserialize from JSON to several structs: /// - The user-provided struct /// - The ClaimsForValidation struct from this crate to run validation on pub(crate) struct DecodedJwtPartClaims { b64_decoded: Vec<u8>, } impl DecodedJwtPartClaims { pub fn from_jwt_part_claims(encoded_jwt_part_claims: impl AsRef<[u8]>) -> Result<Self> { Ok(Self { b64_decoded: b64_decode(encoded_jwt_part_claims)? }) } pub fn deserialize<'a, T: Deserialize<'a>>(&'a self) -> Result<T> { Ok(serde_json::from_slice(&self.b64_decoded)?) } }