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use async_rustls::{server::TlsStream, TlsAcceptor};
use rustls::{
internal::pemfile::{certs, pkcs8_private_keys},
NoClientAuth, ServerConfig,
};
use std::{
fmt::{Debug, Formatter},
io::{BufReader, Error, Result},
sync::Arc,
};
use trillium_tls_common::{async_trait, Acceptor, AsyncRead, AsyncWrite};
#[derive(Clone)]
pub struct RustlsAcceptor(TlsAcceptor);
impl Debug for RustlsAcceptor {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
f.debug_tuple("RustTls").field(&"<<TlsAcceptor>>").finish()
}
}
impl RustlsAcceptor {
pub fn new(t: impl Into<Self>) -> Self {
t.into()
}
pub fn from_pkcs8(cert: &[u8], key: &[u8]) -> Self {
let mut config = ServerConfig::new(NoClientAuth::new());
config
.set_single_cert(
certs(&mut BufReader::new(cert)).unwrap(),
pkcs8_private_keys(&mut BufReader::new(key))
.unwrap()
.remove(0),
)
.expect("could not create a rustls ServerConfig from the supplied cert and key");
config.into()
}
}
impl From<ServerConfig> for RustlsAcceptor {
fn from(sc: ServerConfig) -> Self {
Self(Arc::new(sc).into())
}
}
impl From<TlsAcceptor> for RustlsAcceptor {
fn from(ta: TlsAcceptor) -> Self {
Self(ta)
}
}
#[async_trait]
impl<Input> Acceptor<Input> for RustlsAcceptor
where
Input: AsyncRead + AsyncWrite + Send + Sync + Unpin + 'static,
{
type Output = TlsStream<Input>;
type Error = Error;
async fn accept(&self, input: Input) -> Result<Self::Output> {
self.0.accept(input).await
}
}