use std::{fs::File, io::BufReader};
use actix_web::{dev::Service, get, http, App, HttpResponse, HttpServer};
use futures_util::future::{self, Either, FutureExt};
use rustls::{Certificate, PrivateKey, ServerConfig};
use rustls_pemfile::{certs, pkcs8_private_keys};
#[get("/")]
async fn index() -> String {
String::from("FOO BARFOO BAR
")
}
#[actix_web::main]
async fn main() -> std::io::Result<()> {
env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
let cert_file = &mut BufReader::new(File::open("cert.pem").unwrap());
let key_file = &mut BufReader::new(File::open("key.pem").unwrap());
let cert_chain: Vec = certs(cert_file)
.unwrap()
.into_iter()
.map(Certificate)
.collect();
let mut keys: Vec = pkcs8_private_keys(key_file)
.unwrap()
.into_iter()
.map(PrivateKey)
.collect();
let config = ServerConfig::builder()
.with_safe_defaults()
.with_no_client_auth()
.with_single_cert(cert_chain, keys.remove(0))
.unwrap();
log::info!("starting HTTP server at http://localhost:8080");
HttpServer::new(|| {
App::new()
.wrap_fn(|sreq, srv| {
let host = sreq.connection_info().host().to_owned();
let uri = sreq.uri().to_owned();
let url = format!("https://{host}{uri}");
// If the scheme is "https" then it will let other services below this wrap_fn
// handle the request and if it's "http" then a response with redirect status code
// will be sent whose "location" header will be same as before, with just "http"
// changed to "https"
if sreq.connection_info().scheme() == "https" {
Either::Left(srv.call(sreq).map(|res| res))
} else {
println!("An http request has arrived here, i will redirect it to use https");
return Either::Right(future::ready(Ok(sreq.into_response(
HttpResponse::MovedPermanently()
.append_header((http::header::LOCATION, url))
.finish(),
))));
}
})
.service(index)
})
.bind(("127.0.0.1", 80))? // HTTP port
.bind_rustls(("127.0.0.1", 443), config)? // HTTPS port
.run()
.await
}