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jwt: Harden check by hardcoding accepted algorithms

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This commit is contained in:
Valentin Tolmer 2021-08-30 08:56:28 +02:00 committed by nitnelave
parent 0ecd9ed263
commit 267ce51973
1 changed files with 6 additions and 0 deletions
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6
src/infra/auth_service.rs
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@ -365,6 +365,12 @@ pub(crate) fn check_if_token_is_valid<Backend>(
if token.claims().exp.lt(&Utc::now()) {
return Err(ErrorUnauthorized("Expired JWT"));
}
if token.header().algorithm != jwt::AlgorithmType::Hs512 {
return Err(ErrorUnauthorized(format!(
"Unsupported JWT algorithm: '{:?}'. Supported ones are: ['HS512']",
token.header().algorithm
)));
}
let jwt_hash = {
let mut s = DefaultHasher::new();
token_str.hash(&mut s);