Files
local-mini-kms/src/serve_encrypt_decrypt.rs

71 lines
2.5 KiB
Rust

use hyper::body::Buf;
use hyper::{Body, Request, Response, StatusCode};
use rust_util::{debugging, XResult};
use serde::{Deserialize, Serialize};
use serde_json::{json, Map, Value};
use crate::do_response;
use crate::jose;
use crate::serve_common::{self, byte_to_multi_view_map, get_master_key, MultipleViewValue, Result};
#[derive(Serialize, Deserialize)]
struct DecryptRequest {
encrypted_value: String,
}
pub async fn decrypt(req: Request<Body>) -> Result<Response<Body>> {
do_response!(inner_decrypt(req).await)
}
async fn inner_decrypt(req: Request<Body>) -> XResult<(StatusCode, Value)> {
let whole_body = hyper::body::aggregate(req).await?;
let data: DecryptRequest = serde_json::from_reader(whole_body.reader())?;
debugging!("To be decrypted value: {}", &data.encrypted_value);
let key = match get_master_key() {
None => return serve_common::error("status_not_ready"),
Some(key) => key,
};
let decrypted_value = jose::deserialize_jwe_aes(&data.encrypted_value, &key.read());
drop(key);
decrypted_value.map(|(data, header)| {
let mut map = byte_to_multi_view_map(&data, true);
let mut header_map = Map::new();
header_map.insert("enc".to_string(), Value::String(header.enc.clone()));
header_map.insert("alg".to_string(), Value::String(header.alg.clone()));
if let Some(version) = &header.version {
header_map.insert("version".to_string(), Value::String(version.to_string()));
}
if let Some(data_type) = &header.data_type {
header_map.insert("data_type".to_string(), Value::String(data_type.to_string()));
}
if !header_map.is_empty() {
map.insert("header".to_string(), Value::Object(header_map));
}
(StatusCode::OK, Value::Object(map))
})
}
pub async fn encrypt(req: Request<Body>) -> Result<Response<Body>> {
do_response!(inner_encrypt(req).await)
}
async fn inner_encrypt(req: Request<Body>) -> XResult<(StatusCode, Value)> {
let whole_body = hyper::body::aggregate(req).await?;
let data: MultipleViewValue = serde_json::from_reader(whole_body.reader())?;
let value = data.to_bytes()?;
let key = match get_master_key() {
None => return serve_common::error("status_not_ready"),
Some(key) => key,
};
let encrypt_result = jose::serialize_jwe_aes(&value, &key.read());
drop(key);
encrypt_result.map(|e| {
(StatusCode::OK, json!({
"encrypted_value": e,
}))
})
}