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use std::net::TcpStream;
use super::Error;
use super::HttpsTransport;
use super::TlsTransport;
#[cfg(any(feature = "with_nativetls", feature = "with_nativetls_vendored"))]
fn stream_nativetls(domain: &str, port: u16) -> Result<native_tls::TlsStream<TcpStream>, Error> {
let connector = native_tls::TlsConnector::new()?;
let stream = TcpStream::connect((domain, port))?;
Ok(connector.connect(domain, stream)?)
}
#[cfg(feature = "with_rustls")]
fn stream_rustls(domain: &str, port: u16) -> Result<rustls::StreamOwned<rustls::ClientSession,TcpStream>, Error> {
use std::sync::Arc;
let mut config = rustls::ClientConfig::new();
config.root_store.add_server_trust_anchors(&webpki_roots::TLS_SERVER_ROOTS);
let dns_name = webpki::DNSNameRef::try_from_ascii_str(domain)?;
let conn = rustls::ClientSession::new(&Arc::new(config), dns_name);
let sock = TcpStream::connect((domain, port))?;
let tls = rustls::StreamOwned::new(conn, sock);
Ok(tls)
}
pub trait TlsStream<S: std::io::Read + std::io::Write> {
fn stream(domain: &str, port: u16) -> Result<S, Error>;
}
#[cfg(any(feature = "with_tls", feature = "with_https"))]
cfg_if::cfg_if! {
if #[cfg(any(feature = "with_nativetls", feature = "with_nativetls_vendored"))] {
impl TlsStream<native_tls::TlsStream<TcpStream>> for HttpsTransport {
fn stream(domain: &str, port: u16) -> Result<native_tls::TlsStream<TcpStream>, Error> {
stream_nativetls(domain, port)
}
}
impl TlsStream<native_tls::TlsStream<TcpStream>> for TlsTransport {
fn stream(domain: &str, port: u16) -> Result<native_tls::TlsStream<TcpStream>, Error> {
stream_nativetls(domain, port)
}
}
} else if #[cfg(feature = "with_rustls")] {
impl TlsStream<rustls::StreamOwned<rustls::ClientSession,TcpStream>> for HttpsTransport {
fn stream(domain: &str, port: u16) -> Result<rustls::StreamOwned<rustls::ClientSession,TcpStream>, Error> {
stream_rustls(domain, port)
}
}
impl TlsStream<rustls::StreamOwned<rustls::ClientSession,TcpStream>> for TlsTransport {
fn stream(domain: &str, port: u16) -> Result<rustls::StreamOwned<rustls::ClientSession,TcpStream>, Error> {
stream_rustls(domain, port)
}
}
} else {
unreachable!("tls/https enabled but no tls implementation provided")
}
}
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