mirror of
https://github.com/denoland/deno
synced 2024-08-25 02:57:22 +00:00
545 lines
15 KiB
Rust
545 lines
15 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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use crate::io::TcpStreamResource;
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use crate::ops::IpAddr;
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use crate::ops::TlsHandshakeInfo;
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use crate::resolve_addr::resolve_addr;
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use crate::resolve_addr::resolve_addr_sync;
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use crate::DefaultTlsOptions;
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use crate::NetPermissions;
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use crate::UnsafelyIgnoreCertificateErrors;
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use deno_core::error::bad_resource;
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use deno_core::error::custom_error;
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use deno_core::error::generic_error;
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use deno_core::error::invalid_hostname;
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use deno_core::error::type_error;
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use deno_core::error::AnyError;
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use deno_core::op2;
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use deno_core::AsyncRefCell;
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use deno_core::AsyncResult;
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use deno_core::CancelHandle;
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use deno_core::CancelTryFuture;
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use deno_core::OpState;
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use deno_core::RcRef;
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use deno_core::Resource;
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use deno_core::ResourceId;
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use deno_tls::create_client_config;
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use deno_tls::load_certs;
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use deno_tls::load_private_keys;
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use deno_tls::rustls::Certificate;
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use deno_tls::rustls::PrivateKey;
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use deno_tls::rustls::ServerConfig;
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use deno_tls::rustls::ServerName;
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use deno_tls::SocketUse;
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use io::Read;
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use rustls_tokio_stream::TlsStreamRead;
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use rustls_tokio_stream::TlsStreamWrite;
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use serde::Deserialize;
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use socket2::Domain;
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use socket2::Socket;
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use socket2::Type;
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use std::borrow::Cow;
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use std::cell::RefCell;
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use std::convert::From;
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use std::convert::TryFrom;
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use std::fs::File;
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use std::io;
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use std::io::BufReader;
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use std::io::ErrorKind;
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use std::num::NonZeroUsize;
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use std::path::Path;
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use std::rc::Rc;
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use std::sync::Arc;
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use tokio::io::AsyncReadExt;
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use tokio::io::AsyncWriteExt;
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use tokio::net::TcpListener;
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use tokio::net::TcpStream;
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pub use rustls_tokio_stream::TlsStream;
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pub(crate) const TLS_BUFFER_SIZE: Option<NonZeroUsize> =
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NonZeroUsize::new(65536);
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#[derive(Debug)]
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pub struct TlsStreamResource {
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rd: AsyncRefCell<TlsStreamRead>,
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wr: AsyncRefCell<TlsStreamWrite>,
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// `None` when a TLS handshake hasn't been done.
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handshake_info: RefCell<Option<TlsHandshakeInfo>>,
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cancel_handle: CancelHandle, // Only read and handshake ops get canceled.
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}
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impl TlsStreamResource {
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pub fn new((rd, wr): (TlsStreamRead, TlsStreamWrite)) -> Self {
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Self {
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rd: rd.into(),
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wr: wr.into(),
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handshake_info: RefCell::new(None),
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cancel_handle: Default::default(),
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}
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}
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pub fn into_inner(self) -> (TlsStreamRead, TlsStreamWrite) {
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(self.rd.into_inner(), self.wr.into_inner())
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}
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pub async fn read(
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self: Rc<Self>,
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data: &mut [u8],
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) -> Result<usize, AnyError> {
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let mut rd = RcRef::map(&self, |r| &r.rd).borrow_mut().await;
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let cancel_handle = RcRef::map(&self, |r| &r.cancel_handle);
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Ok(rd.read(data).try_or_cancel(cancel_handle).await?)
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}
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pub async fn write(self: Rc<Self>, data: &[u8]) -> Result<usize, AnyError> {
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let mut wr = RcRef::map(self, |r| &r.wr).borrow_mut().await;
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let nwritten = wr.write(data).await?;
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wr.flush().await?;
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Ok(nwritten)
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}
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pub async fn shutdown(self: Rc<Self>) -> Result<(), AnyError> {
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let mut wr = RcRef::map(self, |r| &r.wr).borrow_mut().await;
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wr.shutdown().await?;
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Ok(())
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}
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pub async fn handshake(
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self: &Rc<Self>,
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) -> Result<TlsHandshakeInfo, AnyError> {
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if let Some(tls_info) = &*self.handshake_info.borrow() {
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return Ok(tls_info.clone());
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}
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let mut wr = RcRef::map(self, |r| &r.wr).borrow_mut().await;
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let cancel_handle = RcRef::map(self, |r| &r.cancel_handle);
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let handshake = wr.handshake().try_or_cancel(cancel_handle).await?;
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let alpn_protocol = handshake.alpn.map(|alpn| alpn.into());
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let tls_info = TlsHandshakeInfo { alpn_protocol };
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self.handshake_info.replace(Some(tls_info.clone()));
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Ok(tls_info)
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}
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}
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impl Resource for TlsStreamResource {
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deno_core::impl_readable_byob!();
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deno_core::impl_writable!();
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fn name(&self) -> Cow<str> {
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"tlsStream".into()
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}
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fn shutdown(self: Rc<Self>) -> AsyncResult<()> {
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Box::pin(self.shutdown())
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}
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fn close(self: Rc<Self>) {
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self.cancel_handle.cancel();
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}
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct ConnectTlsArgs {
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cert_file: Option<String>,
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ca_certs: Vec<String>,
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cert: Option<String>,
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key: Option<String>,
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alpn_protocols: Option<Vec<String>>,
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct StartTlsArgs {
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rid: ResourceId,
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ca_certs: Vec<String>,
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hostname: String,
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alpn_protocols: Option<Vec<String>>,
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}
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#[op2]
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#[serde]
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pub fn op_tls_start<NP>(
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state: Rc<RefCell<OpState>>,
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#[serde] args: StartTlsArgs,
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) -> Result<(ResourceId, IpAddr, IpAddr), AnyError>
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where
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NP: NetPermissions + 'static,
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{
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let rid = args.rid;
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let hostname = match &*args.hostname {
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"" => "localhost",
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n => n,
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};
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{
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let mut s = state.borrow_mut();
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let permissions = s.borrow_mut::<NP>();
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permissions.check_net(&(hostname, Some(0)), "Deno.startTls()")?;
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}
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let ca_certs = args
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.ca_certs
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.into_iter()
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.map(|s| s.into_bytes())
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.collect::<Vec<_>>();
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let hostname_dns =
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ServerName::try_from(hostname).map_err(|_| invalid_hostname(hostname))?;
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let unsafely_ignore_certificate_errors = state
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.borrow()
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.try_borrow::<UnsafelyIgnoreCertificateErrors>()
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.and_then(|it| it.0.clone());
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let root_cert_store = state
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.borrow()
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.borrow::<DefaultTlsOptions>()
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.root_cert_store()?;
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let resource_rc = state
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.borrow_mut()
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.resource_table
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.take::<TcpStreamResource>(rid)?;
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// This TCP connection might be used somewhere else. If it's the case, we cannot proceed with the
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// process of starting a TLS connection on top of this TCP connection, so we just return a bad
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// resource error. See also: https://github.com/denoland/deno/pull/16242
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let resource = Rc::try_unwrap(resource_rc)
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.map_err(|_| bad_resource("TCP stream is currently in use"))?;
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let (read_half, write_half) = resource.into_inner();
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let tcp_stream = read_half.reunite(write_half)?;
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let local_addr = tcp_stream.local_addr()?;
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let remote_addr = tcp_stream.peer_addr()?;
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let mut tls_config = create_client_config(
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root_cert_store,
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ca_certs,
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unsafely_ignore_certificate_errors,
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None,
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SocketUse::GeneralSsl,
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)?;
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if let Some(alpn_protocols) = args.alpn_protocols {
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tls_config.alpn_protocols =
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alpn_protocols.into_iter().map(|s| s.into_bytes()).collect();
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}
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let tls_config = Arc::new(tls_config);
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let tls_stream = TlsStream::new_client_side(
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tcp_stream,
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tls_config,
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hostname_dns,
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TLS_BUFFER_SIZE,
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);
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let rid = {
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let mut state_ = state.borrow_mut();
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state_
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.resource_table
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.add(TlsStreamResource::new(tls_stream.into_split()))
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};
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Ok((rid, IpAddr::from(local_addr), IpAddr::from(remote_addr)))
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}
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#[op2(async)]
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#[serde]
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pub async fn op_net_connect_tls<NP>(
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state: Rc<RefCell<OpState>>,
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#[serde] addr: IpAddr,
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#[serde] args: ConnectTlsArgs,
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) -> Result<(ResourceId, IpAddr, IpAddr), AnyError>
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where
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NP: NetPermissions + 'static,
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{
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let cert_file = args.cert_file.as_deref();
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let unsafely_ignore_certificate_errors = state
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.borrow()
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.try_borrow::<UnsafelyIgnoreCertificateErrors>()
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.and_then(|it| it.0.clone());
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{
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let mut s = state.borrow_mut();
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let permissions = s.borrow_mut::<NP>();
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permissions
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.check_net(&(&addr.hostname, Some(addr.port)), "Deno.connectTls()")?;
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if let Some(path) = cert_file {
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permissions.check_read(Path::new(path), "Deno.connectTls()")?;
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}
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}
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let mut ca_certs = args
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.ca_certs
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.into_iter()
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.map(|s| s.into_bytes())
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.collect::<Vec<_>>();
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if let Some(path) = cert_file {
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let mut buf = Vec::new();
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File::open(path)?.read_to_end(&mut buf)?;
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ca_certs.push(buf);
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};
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let root_cert_store = state
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.borrow()
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.borrow::<DefaultTlsOptions>()
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.root_cert_store()?;
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let hostname_dns = ServerName::try_from(&*addr.hostname)
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.map_err(|_| invalid_hostname(&addr.hostname))?;
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let connect_addr = resolve_addr(&addr.hostname, addr.port)
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.await?
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.next()
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.ok_or_else(|| generic_error("No resolved address found"))?;
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let tcp_stream = TcpStream::connect(connect_addr).await?;
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let local_addr = tcp_stream.local_addr()?;
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let remote_addr = tcp_stream.peer_addr()?;
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let cert_and_key = if args.cert.is_some() || args.key.is_some() {
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let cert = args
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.cert
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.ok_or_else(|| type_error("No certificate chain provided"))?;
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let key = args
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.key
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.ok_or_else(|| type_error("No private key provided"))?;
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Some((cert, key))
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} else {
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None
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};
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let mut tls_config = create_client_config(
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root_cert_store,
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ca_certs,
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unsafely_ignore_certificate_errors,
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cert_and_key,
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SocketUse::GeneralSsl,
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)?;
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if let Some(alpn_protocols) = args.alpn_protocols {
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tls_config.alpn_protocols =
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alpn_protocols.into_iter().map(|s| s.into_bytes()).collect();
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}
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let tls_config = Arc::new(tls_config);
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let tls_stream = TlsStream::new_client_side(
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tcp_stream,
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tls_config,
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hostname_dns,
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TLS_BUFFER_SIZE,
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);
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let rid = {
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let mut state_ = state.borrow_mut();
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state_
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.resource_table
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.add(TlsStreamResource::new(tls_stream.into_split()))
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};
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Ok((rid, IpAddr::from(local_addr), IpAddr::from(remote_addr)))
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}
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fn load_certs_from_file(path: &str) -> Result<Vec<Certificate>, AnyError> {
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let cert_file = File::open(path)?;
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let reader = &mut BufReader::new(cert_file);
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load_certs(reader)
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}
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fn load_private_keys_from_file(
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path: &str,
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) -> Result<Vec<PrivateKey>, AnyError> {
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let key_bytes = std::fs::read(path)?;
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load_private_keys(&key_bytes)
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}
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pub struct TlsListenerResource {
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pub(crate) tcp_listener: AsyncRefCell<TcpListener>,
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pub(crate) tls_config: Arc<ServerConfig>,
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cancel_handle: CancelHandle,
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}
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impl Resource for TlsListenerResource {
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fn name(&self) -> Cow<str> {
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"tlsListener".into()
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}
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fn close(self: Rc<Self>) {
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self.cancel_handle.cancel();
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}
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct ListenTlsArgs {
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cert: Option<String>,
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// TODO(kt3k): Remove this option at v2.0.
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cert_file: Option<String>,
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key: Option<String>,
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// TODO(kt3k): Remove this option at v2.0.
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key_file: Option<String>,
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alpn_protocols: Option<Vec<String>>,
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reuse_port: bool,
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}
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#[op2]
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#[serde]
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pub fn op_net_listen_tls<NP>(
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state: &mut OpState,
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#[serde] addr: IpAddr,
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#[serde] args: ListenTlsArgs,
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) -> Result<(ResourceId, IpAddr), AnyError>
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where
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NP: NetPermissions + 'static,
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{
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if args.reuse_port {
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super::check_unstable(state, "Deno.listenTls({ reusePort: true })");
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}
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let cert_file = args.cert_file.as_deref();
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let key_file = args.key_file.as_deref();
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let cert = args.cert.as_deref();
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let key = args.key.as_deref();
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{
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let permissions = state.borrow_mut::<NP>();
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permissions
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.check_net(&(&addr.hostname, Some(addr.port)), "Deno.listenTls()")?;
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if let Some(path) = cert_file {
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permissions.check_read(Path::new(path), "Deno.listenTls()")?;
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}
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if let Some(path) = key_file {
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permissions.check_read(Path::new(path), "Deno.listenTls()")?;
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}
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}
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let cert_chain = if cert_file.is_some() && cert.is_some() {
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return Err(generic_error("Both cert and certFile is specified. You can specify either one of them."));
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} else if let Some(path) = cert_file {
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load_certs_from_file(path)?
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} else if let Some(cert) = cert {
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load_certs(&mut BufReader::new(cert.as_bytes()))?
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} else {
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return Err(generic_error("`cert` is not specified."));
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};
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let key_der = if key_file.is_some() && key.is_some() {
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return Err(generic_error(
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"Both key and keyFile is specified. You can specify either one of them.",
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));
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} else if let Some(path) = key_file {
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load_private_keys_from_file(path)?.remove(0)
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} else if let Some(key) = key {
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load_private_keys(key.as_bytes())?.remove(0)
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} else {
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return Err(generic_error("`key` is not specified."));
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};
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let mut tls_config = ServerConfig::builder()
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.with_safe_defaults()
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.with_no_client_auth()
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.with_single_cert(cert_chain, key_der)
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.map_err(|e| {
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custom_error(
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"InvalidData",
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format!("Error creating TLS certificate: {:?}", e),
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)
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})?;
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if let Some(alpn_protocols) = args.alpn_protocols {
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tls_config.alpn_protocols =
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alpn_protocols.into_iter().map(|s| s.into_bytes()).collect();
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}
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let bind_addr = resolve_addr_sync(&addr.hostname, addr.port)?
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.next()
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.ok_or_else(|| generic_error("No resolved address found"))?;
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let domain = if bind_addr.is_ipv4() {
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Domain::IPV4
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} else {
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Domain::IPV6
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};
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let socket = Socket::new(domain, Type::STREAM, None)?;
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#[cfg(not(windows))]
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socket.set_reuse_address(true)?;
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if args.reuse_port {
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#[cfg(any(target_os = "android", target_os = "linux"))]
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socket.set_reuse_port(true)?;
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}
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let socket_addr = socket2::SockAddr::from(bind_addr);
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socket.bind(&socket_addr)?;
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socket.listen(128)?;
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socket.set_nonblocking(true)?;
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let std_listener: std::net::TcpListener = socket.into();
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let tcp_listener = TcpListener::from_std(std_listener)?;
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let local_addr = tcp_listener.local_addr()?;
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let tls_listener_resource = TlsListenerResource {
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tcp_listener: AsyncRefCell::new(tcp_listener),
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tls_config: Arc::new(tls_config),
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cancel_handle: Default::default(),
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};
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let rid = state.resource_table.add(tls_listener_resource);
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Ok((rid, IpAddr::from(local_addr)))
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}
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|
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#[op2(async)]
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#[serde]
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pub async fn op_net_accept_tls(
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state: Rc<RefCell<OpState>>,
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#[smi] rid: ResourceId,
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|
) -> Result<(ResourceId, IpAddr, IpAddr), AnyError> {
|
|
let resource = state
|
|
.borrow()
|
|
.resource_table
|
|
.get::<TlsListenerResource>(rid)
|
|
.map_err(|_| bad_resource("Listener has been closed"))?;
|
|
|
|
let cancel_handle = RcRef::map(&resource, |r| &r.cancel_handle);
|
|
let tcp_listener = RcRef::map(&resource, |r| &r.tcp_listener)
|
|
.try_borrow_mut()
|
|
.ok_or_else(|| custom_error("Busy", "Another accept task is ongoing"))?;
|
|
|
|
let (tcp_stream, remote_addr) =
|
|
match tcp_listener.accept().try_or_cancel(&cancel_handle).await {
|
|
Ok(tuple) => tuple,
|
|
Err(err) if err.kind() == ErrorKind::Interrupted => {
|
|
// FIXME(bartlomieju): compatibility with current JS implementation.
|
|
return Err(bad_resource("Listener has been closed"));
|
|
}
|
|
Err(err) => return Err(err.into()),
|
|
};
|
|
|
|
let local_addr = tcp_stream.local_addr()?;
|
|
|
|
let tls_stream = TlsStream::new_server_side(
|
|
tcp_stream,
|
|
resource.tls_config.clone(),
|
|
TLS_BUFFER_SIZE,
|
|
);
|
|
|
|
let rid = {
|
|
let mut state_ = state.borrow_mut();
|
|
state_
|
|
.resource_table
|
|
.add(TlsStreamResource::new(tls_stream.into_split()))
|
|
};
|
|
|
|
Ok((rid, IpAddr::from(local_addr), IpAddr::from(remote_addr)))
|
|
}
|
|
|
|
#[op2(async)]
|
|
#[serde]
|
|
pub async fn op_tls_handshake(
|
|
state: Rc<RefCell<OpState>>,
|
|
#[smi] rid: ResourceId,
|
|
) -> Result<TlsHandshakeInfo, AnyError> {
|
|
let resource = state
|
|
.borrow()
|
|
.resource_table
|
|
.get::<TlsStreamResource>(rid)?;
|
|
resource.handshake().await
|
|
}
|