mirror of
https://github.com/denoland/deno.git
synced 2024-11-14 16:33:45 -05:00
560 lines
15 KiB
Rust
560 lines
15 KiB
Rust
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
|
|
|
|
use crate::ops::io::TcpStreamResource;
|
|
use crate::ops::io::TlsServerStreamResource;
|
|
use deno_core::error::bad_resource_id;
|
|
use deno_core::error::null_opbuf;
|
|
use deno_core::error::type_error;
|
|
use deno_core::error::AnyError;
|
|
use deno_core::futures::future::poll_fn;
|
|
use deno_core::futures::FutureExt;
|
|
use deno_core::futures::Stream;
|
|
use deno_core::futures::StreamExt;
|
|
use deno_core::op_async;
|
|
use deno_core::op_sync;
|
|
use deno_core::AsyncRefCell;
|
|
use deno_core::CancelFuture;
|
|
use deno_core::CancelHandle;
|
|
use deno_core::CancelTryFuture;
|
|
use deno_core::Extension;
|
|
use deno_core::OpState;
|
|
use deno_core::RcRef;
|
|
use deno_core::Resource;
|
|
use deno_core::ResourceId;
|
|
use deno_core::ZeroCopyBuf;
|
|
use hyper::body::HttpBody;
|
|
use hyper::http;
|
|
use hyper::server::conn::Connection;
|
|
use hyper::server::conn::Http;
|
|
use hyper::service::Service as HyperService;
|
|
use hyper::Body;
|
|
use hyper::Request;
|
|
use hyper::Response;
|
|
use serde::Deserialize;
|
|
use serde::Serialize;
|
|
use std::borrow::Cow;
|
|
use std::cell::RefCell;
|
|
use std::future::Future;
|
|
use std::net::SocketAddr;
|
|
use std::pin::Pin;
|
|
use std::rc::Rc;
|
|
use std::task::Context;
|
|
use std::task::Poll;
|
|
use tokio::io::AsyncReadExt;
|
|
use tokio::net::TcpStream;
|
|
use tokio::sync::oneshot;
|
|
use tokio_rustls::server::TlsStream;
|
|
use tokio_util::io::StreamReader;
|
|
|
|
pub fn init() -> Extension {
|
|
Extension::builder()
|
|
.ops(vec![
|
|
("op_http_start", op_sync(op_http_start)),
|
|
("op_http_request_next", op_async(op_http_request_next)),
|
|
("op_http_request_read", op_async(op_http_request_read)),
|
|
("op_http_response", op_async(op_http_response)),
|
|
("op_http_response_write", op_async(op_http_response_write)),
|
|
("op_http_response_close", op_async(op_http_response_close)),
|
|
])
|
|
.build()
|
|
}
|
|
|
|
struct ServiceInner {
|
|
request: Request<Body>,
|
|
response_tx: oneshot::Sender<Response<Body>>,
|
|
}
|
|
|
|
#[derive(Clone, Default)]
|
|
struct Service {
|
|
inner: Rc<RefCell<Option<ServiceInner>>>,
|
|
}
|
|
|
|
impl HyperService<Request<Body>> for Service {
|
|
type Response = Response<Body>;
|
|
type Error = http::Error;
|
|
#[allow(clippy::type_complexity)]
|
|
type Future =
|
|
Pin<Box<dyn Future<Output = Result<Self::Response, Self::Error>>>>;
|
|
|
|
fn poll_ready(
|
|
&mut self,
|
|
_cx: &mut Context<'_>,
|
|
) -> Poll<Result<(), Self::Error>> {
|
|
if self.inner.borrow().is_some() {
|
|
Poll::Pending
|
|
} else {
|
|
Poll::Ready(Ok(()))
|
|
}
|
|
}
|
|
|
|
fn call(&mut self, req: Request<Body>) -> Self::Future {
|
|
let (resp_tx, resp_rx) = oneshot::channel();
|
|
self.inner.borrow_mut().replace(ServiceInner {
|
|
request: req,
|
|
response_tx: resp_tx,
|
|
});
|
|
|
|
async move { Ok(resp_rx.await.unwrap()) }.boxed_local()
|
|
}
|
|
}
|
|
|
|
enum ConnType {
|
|
Tcp(Rc<RefCell<Connection<TcpStream, Service, LocalExecutor>>>),
|
|
Tls(Rc<RefCell<Connection<TlsStream<TcpStream>, Service, LocalExecutor>>>),
|
|
}
|
|
|
|
struct ConnResource {
|
|
hyper_connection: ConnType,
|
|
deno_service: Service,
|
|
addr: SocketAddr,
|
|
}
|
|
|
|
impl ConnResource {
|
|
// TODO(ry) impl Future for ConnResource?
|
|
fn poll(&self, cx: &mut Context<'_>) -> Poll<Result<(), AnyError>> {
|
|
match &self.hyper_connection {
|
|
ConnType::Tcp(c) => c.borrow_mut().poll_unpin(cx),
|
|
ConnType::Tls(c) => c.borrow_mut().poll_unpin(cx),
|
|
}
|
|
.map_err(AnyError::from)
|
|
}
|
|
}
|
|
|
|
impl Resource for ConnResource {
|
|
fn name(&self) -> Cow<str> {
|
|
"httpConnection".into()
|
|
}
|
|
}
|
|
|
|
// We use a tuple instead of struct to avoid serialization overhead of the keys.
|
|
#[derive(Serialize)]
|
|
#[serde(rename_all = "camelCase")]
|
|
struct NextRequestResponse(
|
|
// request_body_rid:
|
|
Option<ResourceId>,
|
|
// response_sender_rid:
|
|
ResourceId,
|
|
// method:
|
|
String,
|
|
// headers:
|
|
Vec<(String, String)>,
|
|
// url:
|
|
String,
|
|
);
|
|
|
|
async fn op_http_request_next(
|
|
state: Rc<RefCell<OpState>>,
|
|
conn_rid: ResourceId,
|
|
_data: Option<ZeroCopyBuf>,
|
|
) -> Result<Option<NextRequestResponse>, AnyError> {
|
|
let conn_resource = state
|
|
.borrow()
|
|
.resource_table
|
|
.get::<ConnResource>(conn_rid)
|
|
.ok_or_else(bad_resource_id)?;
|
|
|
|
poll_fn(|cx| {
|
|
let connection_closed = match conn_resource.poll(cx) {
|
|
Poll::Pending => false,
|
|
Poll::Ready(Ok(())) => {
|
|
// close ConnResource
|
|
state
|
|
.borrow_mut()
|
|
.resource_table
|
|
.take::<ConnResource>(conn_rid)
|
|
.unwrap();
|
|
true
|
|
}
|
|
Poll::Ready(Err(e)) => {
|
|
// TODO(ry) close RequestResource associated with connection
|
|
// TODO(ry) close ResponseBodyResource associated with connection
|
|
// close ConnResource
|
|
state
|
|
.borrow_mut()
|
|
.resource_table
|
|
.take::<ConnResource>(conn_rid)
|
|
.unwrap();
|
|
|
|
if should_ignore_error(&e) {
|
|
true
|
|
} else {
|
|
return Poll::Ready(Err(e));
|
|
}
|
|
}
|
|
};
|
|
|
|
if let Some(request_resource) =
|
|
conn_resource.deno_service.inner.borrow_mut().take()
|
|
{
|
|
let tx = request_resource.response_tx;
|
|
let req = request_resource.request;
|
|
let method = req.method().to_string();
|
|
|
|
let mut headers = Vec::with_capacity(req.headers().len());
|
|
for (name, value) in req.headers().iter() {
|
|
let name = name.to_string();
|
|
let value = value.to_str().unwrap_or("").to_string();
|
|
headers.push((name, value));
|
|
}
|
|
|
|
let url = {
|
|
let scheme = {
|
|
match conn_resource.hyper_connection {
|
|
ConnType::Tcp(_) => "http",
|
|
ConnType::Tls(_) => "https",
|
|
}
|
|
};
|
|
let host: Cow<str> = if let Some(host) = req.uri().host() {
|
|
Cow::Borrowed(host)
|
|
} else if let Some(host) = req.headers().get("HOST") {
|
|
Cow::Borrowed(host.to_str()?)
|
|
} else {
|
|
Cow::Owned(conn_resource.addr.to_string())
|
|
};
|
|
let path = req.uri().path_and_query().unwrap();
|
|
format!("{}://{}{}", scheme, host, path)
|
|
};
|
|
|
|
let has_body = if let Some(exact_size) = req.size_hint().exact() {
|
|
exact_size > 0
|
|
} else {
|
|
true
|
|
};
|
|
|
|
let maybe_request_body_rid = if has_body {
|
|
let stream: BytesStream = Box::pin(req.into_body().map(|r| {
|
|
r.map_err(|err| std::io::Error::new(std::io::ErrorKind::Other, err))
|
|
}));
|
|
let stream_reader = StreamReader::new(stream);
|
|
let mut state = state.borrow_mut();
|
|
let request_body_rid = state.resource_table.add(RequestBodyResource {
|
|
conn_rid,
|
|
reader: AsyncRefCell::new(stream_reader),
|
|
cancel: CancelHandle::default(),
|
|
});
|
|
Some(request_body_rid)
|
|
} else {
|
|
None
|
|
};
|
|
|
|
let mut state = state.borrow_mut();
|
|
let response_sender_rid =
|
|
state.resource_table.add(ResponseSenderResource {
|
|
sender: tx,
|
|
conn_rid,
|
|
});
|
|
|
|
Poll::Ready(Ok(Some(NextRequestResponse(
|
|
maybe_request_body_rid,
|
|
response_sender_rid,
|
|
method,
|
|
headers,
|
|
url,
|
|
))))
|
|
} else if connection_closed {
|
|
Poll::Ready(Ok(None))
|
|
} else {
|
|
Poll::Pending
|
|
}
|
|
})
|
|
.await
|
|
.map_err(AnyError::from)
|
|
}
|
|
|
|
fn should_ignore_error(e: &AnyError) -> bool {
|
|
if let Some(e) = e.downcast_ref::<hyper::Error>() {
|
|
use std::error::Error;
|
|
if let Some(std_err) = e.source() {
|
|
if let Some(io_err) = std_err.downcast_ref::<std::io::Error>() {
|
|
if io_err.kind() == std::io::ErrorKind::NotConnected {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
false
|
|
}
|
|
|
|
fn op_http_start(
|
|
state: &mut OpState,
|
|
tcp_stream_rid: ResourceId,
|
|
_data: Option<ZeroCopyBuf>,
|
|
) -> Result<ResourceId, AnyError> {
|
|
let deno_service = Service::default();
|
|
|
|
if let Some(resource_rc) = state
|
|
.resource_table
|
|
.take::<TcpStreamResource>(tcp_stream_rid)
|
|
{
|
|
let resource = Rc::try_unwrap(resource_rc)
|
|
.expect("Only a single use of this resource should happen");
|
|
let (read_half, write_half) = resource.into_inner();
|
|
let tcp_stream = read_half.reunite(write_half)?;
|
|
let addr = tcp_stream.local_addr()?;
|
|
let hyper_connection = Http::new()
|
|
.with_executor(LocalExecutor)
|
|
.serve_connection(tcp_stream, deno_service.clone());
|
|
let conn_resource = ConnResource {
|
|
hyper_connection: ConnType::Tcp(Rc::new(RefCell::new(hyper_connection))),
|
|
deno_service,
|
|
addr,
|
|
};
|
|
let rid = state.resource_table.add(conn_resource);
|
|
return Ok(rid);
|
|
}
|
|
|
|
if let Some(resource_rc) = state
|
|
.resource_table
|
|
.take::<TlsServerStreamResource>(tcp_stream_rid)
|
|
{
|
|
let resource = Rc::try_unwrap(resource_rc)
|
|
.expect("Only a single use of this resource should happen");
|
|
let (read_half, write_half) = resource.into_inner();
|
|
let tls_stream = read_half.unsplit(write_half);
|
|
let addr = tls_stream.get_ref().0.local_addr()?;
|
|
|
|
let hyper_connection = Http::new()
|
|
.with_executor(LocalExecutor)
|
|
.serve_connection(tls_stream, deno_service.clone());
|
|
let conn_resource = ConnResource {
|
|
hyper_connection: ConnType::Tls(Rc::new(RefCell::new(hyper_connection))),
|
|
deno_service,
|
|
addr,
|
|
};
|
|
let rid = state.resource_table.add(conn_resource);
|
|
return Ok(rid);
|
|
}
|
|
|
|
Err(bad_resource_id())
|
|
}
|
|
|
|
// We use a tuple instead of struct to avoid serialization overhead of the keys.
|
|
#[derive(Deserialize)]
|
|
struct RespondArgs(
|
|
// rid:
|
|
u32,
|
|
// status:
|
|
u16,
|
|
// headers:
|
|
Vec<(String, String)>,
|
|
);
|
|
|
|
async fn op_http_response(
|
|
state: Rc<RefCell<OpState>>,
|
|
args: RespondArgs,
|
|
data: Option<ZeroCopyBuf>,
|
|
) -> Result<Option<ResourceId>, AnyError> {
|
|
let RespondArgs(rid, status, headers) = args;
|
|
|
|
let response_sender = state
|
|
.borrow_mut()
|
|
.resource_table
|
|
.take::<ResponseSenderResource>(rid)
|
|
.ok_or_else(bad_resource_id)?;
|
|
let response_sender = Rc::try_unwrap(response_sender)
|
|
.ok()
|
|
.expect("multiple op_http_respond ongoing");
|
|
|
|
let conn_resource = state
|
|
.borrow()
|
|
.resource_table
|
|
.get::<ConnResource>(response_sender.conn_rid)
|
|
.ok_or_else(bad_resource_id)?;
|
|
|
|
let mut builder = Response::builder().status(status);
|
|
|
|
builder.headers_mut().unwrap().reserve(headers.len());
|
|
for (key, value) in &headers {
|
|
builder = builder.header(key, value);
|
|
}
|
|
|
|
let res;
|
|
let maybe_response_body_rid = if let Some(d) = data {
|
|
// If a body is passed, we use it, and don't return a body for streaming.
|
|
res = builder.body(Vec::from(&*d).into())?;
|
|
None
|
|
} else {
|
|
// If no body is passed, we return a writer for streaming the body.
|
|
let (sender, body) = Body::channel();
|
|
res = builder.body(body)?;
|
|
|
|
let response_body_rid =
|
|
state.borrow_mut().resource_table.add(ResponseBodyResource {
|
|
body: AsyncRefCell::new(sender),
|
|
cancel: CancelHandle::default(),
|
|
conn_rid: response_sender.conn_rid,
|
|
});
|
|
|
|
Some(response_body_rid)
|
|
};
|
|
|
|
// oneshot::Sender::send(v) returns |v| on error, not an error object.
|
|
// The only failure mode is the receiver already having dropped its end
|
|
// of the channel.
|
|
if response_sender.sender.send(res).is_err() {
|
|
return Err(type_error("internal communication error"));
|
|
}
|
|
|
|
poll_fn(|cx| match conn_resource.poll(cx) {
|
|
Poll::Ready(x) => Poll::Ready(x),
|
|
Poll::Pending => Poll::Ready(Ok(())),
|
|
})
|
|
.await?;
|
|
|
|
Ok(maybe_response_body_rid)
|
|
}
|
|
|
|
async fn op_http_response_close(
|
|
state: Rc<RefCell<OpState>>,
|
|
rid: ResourceId,
|
|
_data: Option<ZeroCopyBuf>,
|
|
) -> Result<(), AnyError> {
|
|
let resource = state
|
|
.borrow_mut()
|
|
.resource_table
|
|
.take::<ResponseBodyResource>(rid)
|
|
.ok_or_else(bad_resource_id)?;
|
|
|
|
let conn_resource = state
|
|
.borrow()
|
|
.resource_table
|
|
.get::<ConnResource>(resource.conn_rid)
|
|
.ok_or_else(bad_resource_id)?;
|
|
drop(resource);
|
|
|
|
poll_fn(|cx| match conn_resource.poll(cx) {
|
|
Poll::Ready(x) => Poll::Ready(x),
|
|
Poll::Pending => Poll::Ready(Ok(())),
|
|
})
|
|
.await
|
|
}
|
|
|
|
async fn op_http_request_read(
|
|
state: Rc<RefCell<OpState>>,
|
|
rid: ResourceId,
|
|
data: Option<ZeroCopyBuf>,
|
|
) -> Result<usize, AnyError> {
|
|
let mut data = data.ok_or_else(null_opbuf)?;
|
|
|
|
let resource = state
|
|
.borrow()
|
|
.resource_table
|
|
.get::<RequestBodyResource>(rid as u32)
|
|
.ok_or_else(bad_resource_id)?;
|
|
|
|
let conn_resource = state
|
|
.borrow()
|
|
.resource_table
|
|
.get::<ConnResource>(resource.conn_rid)
|
|
.ok_or_else(bad_resource_id)?;
|
|
|
|
let mut reader = RcRef::map(&resource, |r| &r.reader).borrow_mut().await;
|
|
let cancel = RcRef::map(resource, |r| &r.cancel);
|
|
let mut read_fut = reader.read(&mut data).try_or_cancel(cancel).boxed_local();
|
|
|
|
poll_fn(|cx| {
|
|
if let Poll::Ready(Err(e)) = conn_resource.poll(cx) {
|
|
// close ConnResource
|
|
// close RequestResource associated with connection
|
|
// close ResponseBodyResource associated with connection
|
|
return Poll::Ready(Err(e));
|
|
}
|
|
|
|
read_fut.poll_unpin(cx).map_err(AnyError::from)
|
|
})
|
|
.await
|
|
}
|
|
|
|
async fn op_http_response_write(
|
|
state: Rc<RefCell<OpState>>,
|
|
rid: ResourceId,
|
|
data: Option<ZeroCopyBuf>,
|
|
) -> Result<(), AnyError> {
|
|
let buf = data.ok_or_else(null_opbuf)?;
|
|
let resource = state
|
|
.borrow()
|
|
.resource_table
|
|
.get::<ResponseBodyResource>(rid as u32)
|
|
.ok_or_else(bad_resource_id)?;
|
|
|
|
let conn_resource = state
|
|
.borrow()
|
|
.resource_table
|
|
.get::<ConnResource>(resource.conn_rid)
|
|
.ok_or_else(bad_resource_id)?;
|
|
|
|
let mut body = RcRef::map(&resource, |r| &r.body).borrow_mut().await;
|
|
let cancel = RcRef::map(resource, |r| &r.cancel);
|
|
|
|
let mut send_data_fut = body
|
|
.send_data(Vec::from(&*buf).into())
|
|
.or_cancel(cancel)
|
|
.boxed_local();
|
|
|
|
poll_fn(|cx| {
|
|
if let Poll::Ready(Err(e)) = conn_resource.poll(cx) {
|
|
// close ConnResource
|
|
// close RequestResource associated with connection
|
|
// close ResponseBodyResource associated with connection
|
|
return Poll::Ready(Err(e));
|
|
}
|
|
|
|
send_data_fut.poll_unpin(cx).map_err(AnyError::from)
|
|
})
|
|
.await?
|
|
.unwrap(); // panic on send_data error
|
|
|
|
Ok(())
|
|
}
|
|
|
|
type BytesStream =
|
|
Pin<Box<dyn Stream<Item = std::io::Result<bytes::Bytes>> + Unpin>>;
|
|
|
|
struct RequestBodyResource {
|
|
conn_rid: ResourceId,
|
|
reader: AsyncRefCell<StreamReader<BytesStream, bytes::Bytes>>,
|
|
cancel: CancelHandle,
|
|
}
|
|
|
|
impl Resource for RequestBodyResource {
|
|
fn name(&self) -> Cow<str> {
|
|
"requestBody".into()
|
|
}
|
|
}
|
|
|
|
struct ResponseSenderResource {
|
|
sender: oneshot::Sender<Response<Body>>,
|
|
conn_rid: ResourceId,
|
|
}
|
|
|
|
impl Resource for ResponseSenderResource {
|
|
fn name(&self) -> Cow<str> {
|
|
"responseSender".into()
|
|
}
|
|
}
|
|
|
|
struct ResponseBodyResource {
|
|
body: AsyncRefCell<hyper::body::Sender>,
|
|
cancel: CancelHandle,
|
|
conn_rid: ResourceId,
|
|
}
|
|
|
|
impl Resource for ResponseBodyResource {
|
|
fn name(&self) -> Cow<str> {
|
|
"responseBody".into()
|
|
}
|
|
}
|
|
|
|
// Needed so hyper can use non Send futures
|
|
#[derive(Clone)]
|
|
struct LocalExecutor;
|
|
|
|
impl<Fut> hyper::rt::Executor<Fut> for LocalExecutor
|
|
where
|
|
Fut: Future + 'static,
|
|
Fut::Output: 'static,
|
|
{
|
|
fn execute(&self, fut: Fut) {
|
|
tokio::task::spawn_local(fut);
|
|
}
|
|
}
|