Files
card-cli/src/cmd_sign_jwt_se.rs
2025-03-26 23:05:48 +08:00

94 lines
3.6 KiB
Rust

use base64::engine::general_purpose::STANDARD;
use base64::Engine;
use clap::{App, Arg, ArgMatches, SubCommand};
use jwt::{AlgorithmType, Header, ToBase64};
use rust_util::util_clap::{Command, CommandError};
use rust_util::{util_msg, XResult};
use serde_json::{Map, Value};
use std::collections::BTreeMap;
use crate::cmd_sign_jwt::{build_jwt_parts, merge_header_claims, merge_payload_claims};
use crate::ecdsautil::parse_ecdsa_to_rs;
use crate::keyutil::{parse_key_uri, KeyUri};
use crate::{hmacutil, util};
const SEPARATOR: &str = ".";
pub struct CommandImpl;
impl Command for CommandImpl {
fn name(&self) -> &str {
"sign-jwt-se"
}
fn subcommand<'a>(&self) -> App<'a, 'a> {
SubCommand::with_name(self.name()).about("Sign JWT subcommand")
.arg(Arg::with_name("key").long("key").required(true).takes_value(true).help("Key uri"))
.arg(Arg::with_name("key-id").short("K").long("key-id").takes_value(true).help("Header key ID"))
.arg(Arg::with_name("claims").short("C").long("claims").takes_value(true).multiple(true).help("Claims, key:value"))
.arg(Arg::with_name("payload").short("P").long("payload").takes_value(true).help("Claims in JSON"))
.arg(Arg::with_name("jti").long("jti").help("Claims jti"))
.arg(Arg::with_name("validity").long("validity").takes_value(true).help("Claims validity period e.g. 10m means 10 minutes (s - second, m - minute, h - hour, d - day)"))
.arg(Arg::with_name("json").long("json").help("JSON output"))
}
fn run(&self, _arg_matches: &ArgMatches, sub_arg_matches: &ArgMatches) -> CommandError {
let json_output = sub_arg_matches.is_present("json");
if json_output {
util_msg::set_logger_std_out(false);
}
let mut json = BTreeMap::<&'_ str, String>::new();
let private_key = opt_value_result!(
sub_arg_matches.value_of("key"),
"Private key PKCS#8 DER base64 encoded or PEM"
);
let private_key = hmacutil::try_hmac_decrypt_to_string(private_key)?;
let KeyUri::SecureEnclaveKey(se_key_uri) = parse_key_uri(&private_key)?;
debugging!("Secure enclave key URI: {:?}", se_key_uri);
let (header, payload, jwt_claims) = build_jwt_parts(sub_arg_matches)?;
let token_string = sign_jwt(&se_key_uri.private_key, header, &payload, &jwt_claims)?;
debugging!("Singed JWT: {}", token_string);
if json_output {
json.insert("token", token_string.clone());
} else {
success!("Singed JWT: {}", token_string);
}
if json_output {
println!("{}", serde_json::to_string_pretty(&json).unwrap());
}
Ok(None)
}
}
fn sign_jwt(
private_key: &str,
mut header: Header,
payload: &Option<String>,
claims: &Map<String, Value>,
) -> XResult<String> {
header.algorithm = AlgorithmType::Es256;
debugging!("Header: {:?}", header);
debugging!("Claims: {:?}", claims);
let header = opt_result!(header.to_base64(), "Header to base64 failed: {}");
let claims = merge_payload_claims(payload, claims)?;
let tobe_signed = merge_header_claims(header.as_bytes(), claims.as_bytes());
let private_key_representation = STANDARD.decode(private_key)?;
let signed_data_der =
swift_secure_enclave_tool_rs::private_key_sign(&private_key_representation, &tobe_signed)?;
let signed_data = parse_ecdsa_to_rs(signed_data_der.as_slice())?;
let signature = util::base64_encode_url_safe_no_pad(&signed_data);
Ok([&*header, &*claims, &signature].join(SEPARATOR))
}