jsonwebtoken/src/jwk.rs

32 lines
997 B
Rust

use serde::de::DeserializeOwned;
use crate::validation::{Validation, validate};
use crate::header::Header;
use crate::errors::{new_error, ErrorKind, Result};
use crate::serialization::{from_jwt_part_claims, TokenData};
pub fn decode_rsa_jwk<T: DeserializeOwned>(
token: &str,
modulus: &[u8],
exponent: &[u8],
validation: &Validation,
) -> Result<TokenData<T>> {
let (signature, signing_input) = expect_two!(token.rsplitn(2, '.'));
let (claims, header) = expect_two!(signing_input.rsplitn(2, '.'));
let header = Header::from_encoded(header)?;
if !verify(signature, signing_input, key, header.alg)? {
return Err(new_error(ErrorKind::InvalidSignature));
}
if !validation.algorithms.contains(&header.alg) {
return Err(new_error(ErrorKind::InvalidAlgorithm));
}
let (decoded_claims, claims_map): (T, _) = from_jwt_part_claims(claims)?;
validate(&claims_map, validation)?;
Ok(TokenData { header, claims: decoded_claims })
}