salvo_core 0.91.1

Salvo is a powerful web framework that can make your work easier.
Documentation 
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//! `RustlsListener` and utils.
use std::io::{Error as IoError, Result as IoResult};

use tokio_rustls::rustls::RootCertStore;
use tokio_rustls::rustls::pki_types::{CertificateDer, pem::PemObject};

pub(crate) mod config;
pub use config::{Keycert, RustlsConfig, ServerConfig};

mod listener;
pub use listener::{RustlsAcceptor, RustlsListener};

pub(crate) fn read_trust_anchor(trust_anchor: &[u8]) -> IoResult<RootCertStore> {
    let certs = CertificateDer::pem_slice_iter(trust_anchor)
        .collect::<Result<Vec<_>, _>>()
        .map_err(|e| IoError::other(format!("failed to parse PEM: {e}")))?;

    let mut store = RootCertStore::empty();
    for cert in certs {
        store.add(cert).map_err(IoError::other)?;
    }
    Ok(store)
}

#[cfg(test)]
mod tests {
    use std::sync::Arc;

    use tokio::io::{AsyncReadExt, AsyncWriteExt};
    use tokio::net::TcpStream;
    use tokio_rustls::TlsConnector;
    use tokio_rustls::rustls::ClientConfig;
    use tokio_rustls::rustls::pki_types::ServerName;

    use super::*;
    use crate::conn::{Accepted, Acceptor, Listener, TcpListener};

    #[tokio::test]
    async fn test_rustls_listener() {
        let _ = rustls::crypto::aws_lc_rs::default_provider().install_default();
        let mut acceptor = TcpListener::new("127.0.0.1:0")
            .rustls(RustlsConfig::new(
                Keycert::new()
                    .key_from_path("certs/key.pem")
                    .unwrap()
                    .cert_from_path("certs/cert.pem")
                    .unwrap(),
            ))
            .bind()
            .await;
        let addr = acceptor.holdings()[0]
            .local_addr
            .clone()
            .into_std()
            .unwrap();

        tokio::spawn(async move {
            let stream = TcpStream::connect(addr).await.unwrap();
            let trust_anchor = include_bytes!("../../certs/chain.pem");
            let client_config = ClientConfig::builder()
                .with_root_certificates(read_trust_anchor(trust_anchor.as_slice()).unwrap())
                .with_no_client_auth();
            let connector = TlsConnector::from(Arc::new(client_config));
            let mut tls_stream = connector
                .connect(ServerName::try_from("testserver.com").unwrap(), stream)
                .await
                .unwrap();
            tls_stream.write_i32(518).await.unwrap();
        });

        let Accepted { mut stream, .. } = acceptor.accept(None).await.unwrap();
        assert_eq!(stream.read_i32().await.unwrap(), 518);
    }
}