Method from_js

modules/llrt_crypto/src/subtle/sign_algorithm.rs:22–42

(ctx: &Ctx<'js>, value: Value<'js>)

}

impl<'js> FromJs<'js> for SigningAlgorithm {
    fn from_js(ctx: &Ctx<'js>, value: Value<'js>) -> Result<Self> {
        let (name, obj) = to_name_and_maybe_object(ctx, value)?;
        let name = normalize_algorithm_name(&name);

        let algorithm = match name.as_str() {
            "Ed25519" => SigningAlgorithm::Ed25519,
            "HMAC" => SigningAlgorithm::Hmac,
            "RSASSA-PKCS1-v1_5" => SigningAlgorithm::RsassaPkcs1v15,
            "ECDSA" => {
                let obj = obj?;
                let hash = extract_sha_hash(ctx, &obj)?;
                SigningAlgorithm::Ecdsa { hash }
            },
            "RSA-PSS" => {
                let salt_length = obj?.get_required("saltLength", "algorithm")?;

                SigningAlgorithm::RsaPss { salt_length }
            },
            _ => return algorithm_not_supported_error(ctx),
        };
        Ok(algorithm)
    }
}