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minimum viable rustls v0.21 support (#3112)
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//! Demonstrates TLS configuration (via Rustls) for HTTP/1.1 and HTTP/2 connections. | ||
//! | ||
//! Test using cURL: | ||
//! | ||
//! ```console | ||
//! $ curl --insecure https://127.0.0.1:8443 | ||
//! Hello World! | ||
//! Protocol: HTTP/2.0 | ||
//! | ||
//! $ curl --insecure --http1.1 https://127.0.0.1:8443 | ||
//! Hello World! | ||
//! Protocol: HTTP/1.1 | ||
//! ``` | ||
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extern crate tls_rustls_021 as rustls; | ||
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use std::io; | ||
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use actix_http::{Error, HttpService, Request, Response}; | ||
use actix_utils::future::ok; | ||
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#[actix_rt::main] | ||
async fn main() -> io::Result<()> { | ||
env_logger::init_from_env(env_logger::Env::new().default_filter_or("info")); | ||
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tracing::info!("starting HTTP server at https://127.0.0.1:8443"); | ||
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actix_server::Server::build() | ||
.bind("echo", ("127.0.0.1", 8443), || { | ||
HttpService::build() | ||
.finish(|req: Request| { | ||
let body = format!( | ||
"Hello World!\n\ | ||
Protocol: {:?}", | ||
req.head().version | ||
); | ||
ok::<_, Error>(Response::ok().set_body(body)) | ||
}) | ||
.rustls_021(rustls_config()) | ||
})? | ||
.run() | ||
.await | ||
} | ||
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fn rustls_config() -> rustls::ServerConfig { | ||
let cert = rcgen::generate_simple_self_signed(vec!["localhost".to_owned()]).unwrap(); | ||
let cert_file = cert.serialize_pem().unwrap(); | ||
let key_file = cert.serialize_private_key_pem(); | ||
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let cert_file = &mut io::BufReader::new(cert_file.as_bytes()); | ||
let key_file = &mut io::BufReader::new(key_file.as_bytes()); | ||
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let cert_chain = rustls_pemfile::certs(cert_file) | ||
.unwrap() | ||
.into_iter() | ||
.map(rustls::Certificate) | ||
.collect(); | ||
let mut keys = rustls_pemfile::pkcs8_private_keys(key_file).unwrap(); | ||
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let mut config = rustls::ServerConfig::builder() | ||
.with_safe_defaults() | ||
.with_no_client_auth() | ||
.with_single_cert(cert_chain, rustls::PrivateKey(keys.remove(0))) | ||
.unwrap(); | ||
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const H1_ALPN: &[u8] = b"http/1.1"; | ||
const H2_ALPN: &[u8] = b"h2"; | ||
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config.alpn_protocols.push(H2_ALPN.to_vec()); | ||
config.alpn_protocols.push(H1_ALPN.to_vec()); | ||
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config | ||
} |
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