return response object

This commit is contained in:
Toshit Chawda 2024-01-10 22:47:41 -08:00
parent 3b4cd96614
commit eb511a317d
No known key found for this signature in database
GPG key ID: 91480ED99E2B3D9D
6 changed files with 167 additions and 72 deletions

View file

@ -1,19 +1,18 @@
#[macro_use]
mod utils;
mod tokioio;
mod wsstreamwrapper;
mod wrappers;
use tokioio::TokioIo;
use utils::ReplaceErr;
use wsstreamwrapper::WsStreamWrapper;
use wrappers::{IncomingBody, WsStreamWrapper};
use std::sync::Arc;
use bytes::Bytes;
use http::{uri, HeaderName, HeaderValue, Request, Response};
use http_body_util::BodyExt;
use hyper::{body::Incoming, client::conn as hyper_conn};
use js_sys::{Object, Reflect, Uint8Array};
use js_sys::{Array, Object, Reflect, Uint8Array};
use penguin_mux_wasm::{Multiplexor, Role};
use tokio_rustls::{rustls, rustls::RootCertStore, TlsConnector};
use wasm_bindgen::prelude::*;
@ -35,7 +34,6 @@ where
}
});
debug!("sending req");
req_sender
.send_request(req)
.await
@ -48,16 +46,16 @@ async fn start() {
}
#[wasm_bindgen]
pub struct WsTcpWorker {
pub struct WsTcp {
rustls_config: Arc<rustls::ClientConfig>,
mux: Multiplexor<WsStreamWrapper>,
useragent: String,
}
#[wasm_bindgen]
impl WsTcpWorker {
impl WsTcp {
#[wasm_bindgen(constructor)]
pub async fn new(ws_url: String, useragent: String) -> Result<WsTcpWorker, JsError> {
pub async fn new(ws_url: String, useragent: String) -> Result<WsTcp, JsError> {
let ws_uri = ws_url
.parse::<uri::Uri>()
.replace_err("Failed to parse websocket url")?;
@ -70,14 +68,12 @@ impl WsTcpWorker {
}
debug!("connecting to ws {:?}", ws_url);
let (ws, wsmeta) = WsStreamWrapper::connect(ws_url, None)
let ws = WsStreamWrapper::connect(ws_url, None)
.await
.replace_err("Failed to connect to websocket")?;
debug!("connected!");
let mux = Multiplexor::new(ws, Role::Client, None, None);
debug!("wsmeta ready state: {:?}", wsmeta.ready_state());
let mut certstore = RootCertStore::empty();
certstore.extend(webpki_roots::TLS_SERVER_ROOTS.iter().cloned());
@ -87,18 +83,18 @@ impl WsTcpWorker {
.with_no_client_auth(),
);
Ok(WsTcpWorker {
Ok(WsTcp {
mux,
rustls_config,
useragent,
})
}
pub async fn fetch(&self, url: String, options: Object) -> Result<(), JsError> {
pub async fn fetch(&self, url: String, options: Object) -> Result<web_sys::Response, JsError> {
let uri = url.parse::<uri::Uri>().replace_err("Failed to parse URL")?;
let uri_scheme = uri.scheme().replace_err("URL must have a scheme")?;
if *uri_scheme != uri::Scheme::HTTP && *uri_scheme != uri::Scheme::HTTPS {
return Err(nerr!("Scheme must be either `http` or `https`"));
return Err(jerr!("Scheme must be either `http` or `https`"));
}
let uri_host = uri.host().replace_err("URL must have a host")?;
let uri_port = if let Some(port) = uri.port() {
@ -111,20 +107,19 @@ impl WsTcpWorker {
} else if *uri_scheme == uri::Scheme::HTTPS {
443
} else {
return Err(nerr!("Failed to coerce port from scheme"));
return Err(jerr!("Failed to coerce port from scheme"));
}
};
let req_method_string: String = match Reflect::get(&options, &JsValue::from_str("method")) {
let req_method_string: String = match Reflect::get(&options, &jval!("method")) {
Ok(val) => val.as_string().unwrap_or("GET".to_string()),
Err(_) => "GET".to_string(),
};
debug!("method {:?}", req_method_string);
let req_method: http::Method =
http::Method::try_from(<String as AsRef<str>>::as_ref(&req_method_string))
.replace_err("Invalid http method")?;
let body_jsvalue: Option<JsValue> = Reflect::get(&options, &JsValue::from_str("body")).ok();
let body_jsvalue: Option<JsValue> = Reflect::get(&options, &jval!("body")).ok();
let body = if let Some(val) = body_jsvalue {
if val.is_string() {
let str = val
@ -146,16 +141,15 @@ impl WsTcpWorker {
None => Bytes::new(),
};
let headers: Option<Vec<Vec<String>>> =
Reflect::get(&options, &JsValue::from_str("headers"))
.map(|val| {
if val.is_truthy() {
Some(utils::entries_of_object(&Object::from(val)))
} else {
None
}
})
.unwrap_or(None);
let headers: Option<Vec<Vec<String>>> = Reflect::get(&options, &jval!("headers"))
.map(|val| {
if val.is_truthy() {
Some(utils::entries_of_object(&Object::from(val)))
} else {
None
}
})
.unwrap_or(None);
let mut builder = Request::builder().uri(uri.clone()).method(req_method);
@ -186,7 +180,7 @@ impl WsTcpWorker {
.await
.replace_err("Failed to create multiplexor channel")?;
let mut resp: hyper::Response<Incoming>;
let resp: hyper::Response<Incoming>;
if *uri_scheme == uri::Scheme::HTTPS {
let cloned_uri = uri_host.to_string().clone();
@ -205,11 +199,42 @@ impl WsTcpWorker {
resp = send_req(request, TokioIo::new(channel)).await?;
}
log!("{:?}", resp);
let body = resp.body_mut().collect();
let body_bytes = body.await.replace_err("Failed to get body")?.to_bytes();
log!("{}", std::str::from_utf8(&body_bytes).replace_err("e")?);
let resp_headers_jsarray = resp
.headers()
.iter()
.filter_map(|val| {
Some(Array::of2(
&jval!(val.0.as_str()),
&jval!(val.1.to_str().ok()?),
))
})
.collect::<Array>();
Ok(())
let resp_headers = Object::from_entries(&resp_headers_jsarray)
.replace_err("Failed to create response headers object")?;
let mut respinit = web_sys::ResponseInit::new();
respinit
.headers(&resp_headers)
.status(resp.status().as_u16())
.status_text(resp.status().canonical_reason().unwrap_or_default());
let body = IncomingBody::new(resp.into_body());
let stream = wasm_streams::ReadableStream::from_stream(body);
let resp = web_sys::Response::new_with_opt_readable_stream_and_init(
Some(&stream.into_raw()),
&respinit,
)
.replace_err("Failed to make response")?;
Object::define_property(
&resp,
&jval!("url"),
&utils::define_property_obj(jval!(url), false)
.replace_err("Failed to make define_property object for url")?,
);
Ok(resp)
}
}