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use crate::error::{handle_rejection, Error};
use crate::schema::{Db, Transaction};
use std::convert::Infallible;
// use anyhow::{anyhow, Context, Result};
use jsonwebtoken::{decode, Algorithm, DecodingKey, Validation};
use serde::{Deserialize, Serialize};
// use std::fmt::Display;
// use thiserror::Error;
use warp::header::headers_cloned;
use warp::http::header::{HeaderMap, HeaderValue, AUTHORIZATION};
use warp::http::StatusCode;
use warp::reject;
use warp::reject::Reject;
use warp::reject::Rejection;
use warp::Filter;
const BEARER: &str = "Bearer ";
const PUBLIC_KEY_PEM: &str = "-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4nU0G4WjkmcQUx0hq6LQ
uV5Q+ACmUFL/OjoYMDwC/O/6pCd1UZgCfgHN2xEffDPznzcTn8OiFRxr4oWyBiny
rUpnY4mhy0SQUwoeCw7YkcHAyhCjNT74aR/ohX0MCj0qRRdbt5ZQXM/GC3HJuXE1
ptSuhFgQxziItamn8maoJ6JUSVEXVO1NOrrjoM3r7Q+BK2B+sX4/bLZ+VG5g1q2n
EbFdTHS6pHqtZNHQndTmEKwRfh0RYtzEzOXuO6e1gQY42Tujkof40dhGCIU7TeIG
GHwdFxy1niLkXwtHNjV7lnIOkTbx6+sSPamRfQAlZqUWM2Lf5o+7h3qWP3ENB138
sQIDAQAB
-----END PUBLIC KEY-----";
// const private_key_pem: &str = "-----BEGIN RSA PRIVATE KEY-----
// MIIEpAIBAAKCAQEA4nU0G4WjkmcQUx0hq6LQuV5Q+ACmUFL/OjoYMDwC/O/6pCd1
// UZgCfgHN2xEffDPznzcTn8OiFRxr4oWyBinyrUpnY4mhy0SQUwoeCw7YkcHAyhCj
// NT74aR/ohX0MCj0qRRdbt5ZQXM/GC3HJuXE1ptSuhFgQxziItamn8maoJ6JUSVEX
// VO1NOrrjoM3r7Q+BK2B+sX4/bLZ+VG5g1q2nEbFdTHS6pHqtZNHQndTmEKwRfh0R
// YtzEzOXuO6e1gQY42Tujkof40dhGCIU7TeIGGHwdFxy1niLkXwtHNjV7lnIOkTbx
// 6+sSPamRfQAlZqUWM2Lf5o+7h3qWP3ENB138sQIDAQABAoIBAD23nYTmrganag6M
// wPFrBSGP79c3Lhx0EjUHQjJbGKFgsdltG48qM3ut+DF9ACy0Z+/7bbC7+39vaIOq
// 1jLR2d6aiYTaLKseO4s2FawD1sgamvU3BZPsXn0gAhnnU5Gyy8Nas1dccvhoc9wI
// neaZUPrvucQ90AzLfo6r9yacDbYHB1lOyomApUvpJxOgHISGEtc9qGPDrdH19aF0
// 8fCv2bbQRh+TChgN3IB0o5w0wXaI7YAyAouAv/AzHCoEMpt7OGjFTkjh/ujlPL9O
// +FLuJNsQRHDN0gJo2pcvwGwDCsioMixQ9bZ7ZrUu2BNpEQygyeSbj9ZI1iRvhosO
// JU3rwEECgYEA9MppTYA6A9WQbCCwPH1QMpUAmPNVSWVhUVag4lGOEhdCDRcz9ook
// DohQMKctiEB1luKuvDokxo0uMOfMO9/YwjsRB7qjQip7Th1zMJIjD+A+juLzHK4r
// /RiRtWYGAnF8mptDvE+93JsPb3C/lQLvIhio5GQYWBqPJu6SpeosIskCgYEA7NPi
// Gbffzr2UQhW8BNKmctEEh8yFRVojFo3wwwWxSNUVXGSmSm31CL+Q8h817R+2OkPV
// 1ZMUOBU4UJiqFt28kIvTDFqbAJlJQGCpY2mY7OLQiD2A+TVLcFrHmoCaPfCAK1Qd
// hQ0PmFK7Mf8qClpA3E5chop/WfKQfiu46sZv1qkCgYAhGdXPcw1lQ1W6KVlrdI6J
// qHhiNlVMDXdxZkNvFxQdAiQeXQrbxaZGiMw/J/wSNpUwCAsUzM/4QVMDrfSCDCzl
// ZtNQtj4pTlFKKNVQthIjrXEIJUw2jp7IJLBfVSJu5iWxSlmId0f3MsiNizN81N69
// P5Rm/doE3+KHoy8VXGsHcQKBgQCkNh62enqjHWypjex6450qS6f6iWN3PRLLVsw0
// TcQpniZblCaBwVCAKmRUnjOEIdL2/4ZLutnwMTaFG/YEOOfAylMiY8jKV38lNmD9
// X4D78CFr9klxgvS2CRwSE03f2NzmLkLxuKaxldvaxPTfjMkgeO1LFMlNExYBhkuH
// 7uQpUQKBgQCKX6qMNh2gSdgG7qyxfTFZ4y5EGOBoKe/dE+IcVF3Vnh6DZVbCAbBL
// 5EdFWZSrCnDjA4xiKW55mwp95Ud9EZsZAb13L8V9t82eK+UDBoWlb7VRNYpda/x1
// 5/i4qQJ28x2UNJDStpYFpnp4Ba1lvXjKngIbDPkjU+hbBJ+BNGAIeg==
// -----END RSA PRIVATE KEY-----";
/// sub: Subject, user identifier
/// exp: Expiration date, Unix Time, epoch
/// puk: Public Key? Not 100% on this
#[derive(Debug, Serialize, Deserialize)]
struct Claims {
sub: String,
exp: usize,
puk: String,
}
#[derive(Debug)]
struct RateLimited;
impl Reject for RateLimited {}
pub fn with_auth(
db: Db,
t: Transaction,
) -> impl Filter<Extract = (String,), Error = Rejection> + Clone {
headers_cloned()
.map(move |headers: HeaderMap<HeaderValue>| (db.clone(), headers))
.and_then(authorize)
}
async fn authorize((db, headers): (Db, HeaderMap<HeaderValue>)) -> Result<String, Rejection> {
match jwt_from_header(&headers) {
Ok(jwt) => {
let decoded = decode::<Claims>(
&jwt,
// TODO: what key are we using here? pass db/pw store here to get the claimant's public key <10-04-21, yigit> //
&DecodingKey::from_rsa_pem(PUBLIC_KEY_PEM.as_bytes()).unwrap(),
&Validation::new(Algorithm::HS512),
)
.map_err(|_| reject::custom(Error::JWTTokenError))
.unwrap();
Ok(decoded.claims.puk)
}
Err(e) => return Err(warp::reject::custom(RateLimited)),
}
}
fn jwt_from_header(headers: &HeaderMap<HeaderValue>) -> Result<String, Error> {
let header = match headers.get(AUTHORIZATION) {
Some(v) => v,
None => return Err(Error::NoAuthHeaderError),
};
let auth_header = match std::str::from_utf8(header.as_bytes()) {
Ok(v) => v,
Err(_) => return Err(Error::NoAuthHeaderError),
};
if !auth_header.starts_with(BEARER) {
return Err(Error::InvalidAuthHeaderError);
}
Ok(auth_header.trim_start_matches(BEARER).to_owned())
}
|
