A proxy connector for hyper based applications.
extern crate hyper;
extern crate http;
extern crate hyper_proxy;
extern crate futures;
extern crate tokio;
extern crate typed_headers;
use hyper::{Chunk, Client, Request, Method, Uri};
use hyper::client::HttpConnector;
use futures::{Future, Stream};
use hyper_proxy::{Proxy, ProxyConnector, Intercept};
use tokio::runtime::current_thread::Runtime;
use typed_headers::Credentials;
fn main() {
let mut core = Runtime::new().unwrap();
let proxy = {
let proxy_uri = "https://my-proxy:8080".parse().unwrap();
let mut proxy = Proxy::new(Intercept::All, proxy_uri);
proxy.set_authorization(Credentials::basic("John Doe", "Agent1234").unwrap());
let connector = HttpConnector::new(4);
let proxy_connector = ProxyConnector::from_proxy(connector, proxy).unwrap();
proxy_connector
};
// Connecting to http will trigger regular GETs and POSTs.
// We need to manually append the relevant headers to the request
let uri: Uri = "https://my-remote-website.com".parse().unwrap();
let mut req = Request::get(uri.clone()).body(hyper::Body::from(vec![])).unwrap();
if let Some(headers) = proxy.http_headers(&uri) {
req.headers_mut().extend(headers.clone().into_iter());
}
let client = Client::builder().build(proxy);
let fut_http = client.request(req)
.and_then(|res| res.into_body().concat2())
.map(move |body: Chunk| ::std::str::from_utf8(&body).unwrap().to_string());
// Connecting to an https uri is straightforward (uses 'CONNECT' method underneath)
let uri = "https://my-remote-websitei-secured.com".parse().unwrap();
let fut_https = client
.get(uri)
.and_then(|res| res.into_body().concat2())
.map(move |body: Chunk| ::std::str::from_utf8(&body).unwrap().to_string());
let futs = fut_http.join(fut_https);
let (_http_res, _https_res) = core.block_on(futs).unwrap();
}
Large part of the code comes from reqwest. The core part as just been extracted and slightly enhanced.
Main changes are:
- support for authentication
- add non secured tunneling
- add the possibility to add additional headers when connecting to the proxy