rust-rpxy/rpxy-certs/src/reloader_service.rs

87 lines
2.8 KiB
Rust

use crate::{
crypto_source::CryptoSource,
error::*,
log::*,
server_crypto::{ServerCryptoBase, ServerNameBytes},
};
use ahash::HashMap;
use async_trait::async_trait;
use hot_reload::{Reload, ReloaderError};
use std::sync::Arc;
/* ------------------------------------------------ */
/// Boxed CryptoSource trait object with Send and Sync
/// TODO: support for not only `CryptoFileSource` but also other type of sources
pub(super) type DynCryptoSource = dyn CryptoSource<Error = RpxyCertError> + Send + Sync + 'static;
#[derive(Clone)]
/// Reloader service for certificates and keys for TLS
pub struct CryptoReloader {
inner: HashMap<ServerNameBytes, Arc<Box<DynCryptoSource>>>,
}
impl<T> Extend<(ServerNameBytes, T)> for CryptoReloader
where
T: CryptoSource<Error = RpxyCertError> + Send + Sync + 'static,
{
fn extend<I: IntoIterator<Item = (ServerNameBytes, T)>>(&mut self, iter: I) {
let iter = iter
.into_iter()
.map(|(k, v)| (k, Arc::new(Box::new(v) as Box<DynCryptoSource>)));
self.inner.extend(iter);
}
}
#[async_trait]
impl Reload<ServerCryptoBase> for CryptoReloader {
type Source = HashMap<ServerNameBytes, Arc<Box<DynCryptoSource>>>;
async fn new(source: &Self::Source) -> Result<Self, ReloaderError<ServerCryptoBase>> {
let mut inner = HashMap::default();
inner.extend(source.clone());
Ok(Self { inner })
}
async fn reload(&self) -> Result<Option<ServerCryptoBase>, ReloaderError<ServerCryptoBase>> {
let mut server_crypto_base = ServerCryptoBase::default();
for (server_name_bytes, crypto_source) in self.inner.iter() {
let certs_keys = match crypto_source.read().await {
Ok(certs_keys) => certs_keys,
Err(e) => {
error!("Failed to read certs and keys, skip at this time: {}", e);
continue;
}
};
server_crypto_base.inner.insert(server_name_bytes.clone(), certs_keys);
}
Ok(Some(server_crypto_base))
}
}
/* ------------------------------------------------ */
#[cfg(test)]
mod tests {
use super::*;
use crate::crypto_source::CryptoFileSourceBuilder;
#[tokio::test]
async fn test_crypto_reloader() {
let tls_cert_path = "../example-certs/server.crt";
let tls_cert_key_path = "../example-certs/server.key";
let client_ca_cert_path = Some("../example-certs/client.ca.crt");
let mut crypto_reloader = CryptoReloader::new(&HashMap::default()).await.unwrap();
let crypto_source = CryptoFileSourceBuilder::default()
.tls_cert_path(tls_cert_path)
.tls_cert_key_path(tls_cert_key_path)
.client_ca_cert_path(client_ca_cert_path)
.build()
.unwrap();
crypto_reloader.extend(vec![(b"localhost".to_vec(), crypto_source)]);
let server_crypto_base = crypto_reloader.reload().await.unwrap().unwrap();
assert_eq!(server_crypto_base.inner.len(), 1);
}
}