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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
use super::dispatch_json::{Deserialize, JsonOp, Value};
use crate::resolve_addr::resolve_addr;
use crate::resources;
use crate::state::ThreadSafeState;
use deno::*;
use futures::Future;
use std;
use std::convert::From;
use std::sync::Arc;
use tokio;
use tokio::net::TcpStream;
use tokio_rustls::{rustls::ClientConfig, TlsConnector};
use webpki;
use webpki::DNSNameRef;
use webpki_roots;
#[derive(Deserialize)]
struct DialTLSArgs {
hostname: String,
port: u16,
}
pub fn op_dial_tls(
state: &ThreadSafeState,
args: Value,
_zero_copy: Option<PinnedBuf>,
) -> Result<JsonOp, ErrBox> {
let args: DialTLSArgs = serde_json::from_value(args)?;
// TODO(ry) Using format! is suboptimal here. Better would be if
// state.check_net and resolve_addr() took hostname and port directly.
let address = format!("{}:{}", args.hostname, args.port);
state.check_net(&address)?;
let mut domain = args.hostname;
if domain.is_empty() {
domain.push_str("localhost");
}
let op = resolve_addr(&address).and_then(move |addr| {
TcpStream::connect(&addr)
.and_then(move |tcp_stream| {
let local_addr = tcp_stream.local_addr()?;
let remote_addr = tcp_stream.peer_addr()?;
let mut config = ClientConfig::new();
config
.root_store
.add_server_trust_anchors(&webpki_roots::TLS_SERVER_ROOTS);
let tls_connector = TlsConnector::from(Arc::new(config));
Ok((tls_connector, tcp_stream, local_addr, remote_addr))
})
.map_err(ErrBox::from)
.and_then(
move |(tls_connector, tcp_stream, local_addr, remote_addr)| {
let dnsname = DNSNameRef::try_from_ascii_str(&domain)
.expect("Invalid DNS lookup");
tls_connector
.connect(dnsname, tcp_stream)
.map_err(ErrBox::from)
.and_then(move |tls_stream| {
let tls_stream_resource = resources::add_tls_stream(tls_stream);
futures::future::ok(json!({
"rid": tls_stream_resource.rid,
"localAddr": local_addr.to_string(),
"remoteAddr": remote_addr.to_string(),
}))
})
},
)
});
Ok(JsonOp::Async(Box::new(op)))
}
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