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Implement optional Hyper 1 support in hyper-boring (#246)

This commit is contained in:
Anthony Ramine 2024-09-18 13:24:35 +02:00 committed by GitHub
parent 6d3639f173
commit 193bf3b9d7
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12 changed files with 905 additions and 366 deletions
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2
.github/workflows/ci.yml vendored
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@ -361,3 +361,5 @@ jobs:
name: Run `rpk,underscore-wildcards` tests name: Run `rpk,underscore-wildcards` tests
- run: cargo test --features pq-experimental,rpk,underscore-wildcards - run: cargo test --features pq-experimental,rpk,underscore-wildcards
name: Run `pq-experimental,rpk,underscore-wildcards` tests name: Run `pq-experimental,rpk,underscore-wildcards` tests
- run: cargo test -p hyper-boring --features hyper1
name: Run hyper 1.0 tests for hyper-boring

10
Cargo.toml
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@ -24,6 +24,7 @@ boring = { version = "4.9.1", path = "./boring" }
tokio-boring = { version = "4.9.1", path = "./tokio-boring" } tokio-boring = { version = "4.9.1", path = "./tokio-boring" }
bindgen = { version = "0.70.1", default-features = false, features = ["runtime"] } bindgen = { version = "0.70.1", default-features = false, features = ["runtime"] }
bytes = "1"
cmake = "0.1.18" cmake = "0.1.18"
fs_extra = "1.3.0" fs_extra = "1.3.0"
fslock = "0.2" fslock = "0.2"
@ -36,10 +37,15 @@ futures = "0.3"
tokio = "1" tokio = "1"
anyhow = "1" anyhow = "1"
antidote = "1.0.0" antidote = "1.0.0"
http = "0.2" http = "1"
hyper = { version = "0.14", default-features = false } http-body-util = "0.1.2"
http_old = { package = "http", version = "0.2" }
hyper = "1"
hyper-util = "0.1.6"
hyper_old = { package = "hyper", version = "0.14", default-features = false }
linked_hash_set = "0.1" linked_hash_set = "0.1"
once_cell = "1.0" once_cell = "1.0"
openssl-macros = "0.1.1" openssl-macros = "0.1.1"
tower = "0.4" tower = "0.4"
tower-layer = "0.3" tower-layer = "0.3"
tower-service = "0.3"

3
boring-sys/Cargo.toml
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@ -81,3 +81,6 @@ bindgen = { workspace = true }
cmake = { workspace = true } cmake = { workspace = true }
fs_extra = { workspace = true } fs_extra = { workspace = true }
fslock = { workspace = true } fslock = { workspace = true }
[lints.rust]
unexpected_cfgs = { level = "allow", check-cfg = ['cfg(const_fn)'] }

19
hyper-boring/Cargo.toml
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@ -17,7 +17,7 @@ rustdoc-args = ["--cfg", "docsrs"]
[features] [features]
default = ["runtime"] default = ["runtime"]
runtime = ["hyper/runtime"] runtime = ["hyper_old/runtime"]
# Use a FIPS-validated version of boringssl. # Use a FIPS-validated version of boringssl.
fips = ["tokio-boring/fips"] fips = ["tokio-boring/fips"]
@ -28,19 +28,30 @@ fips-link-precompiled = ["tokio-boring/fips-link-precompiled"]
# Enables experimental post-quantum crypto (https://blog.cloudflare.com/post-quantum-for-all/) # Enables experimental post-quantum crypto (https://blog.cloudflare.com/post-quantum-for-all/)
pq-experimental = ["tokio-boring/pq-experimental"] pq-experimental = ["tokio-boring/pq-experimental"]
# Enable Hyper 1 support
hyper1 = ["dep:http", "dep:hyper", "dep:hyper-util", "dep:tower-service"]
[dependencies] [dependencies]
antidote = { workspace = true } antidote = { workspace = true }
http = { workspace = true } http = { workspace = true, optional = true }
hyper = { workspace = true, features = ["client"] } http_old = { workspace = true }
hyper = { workspace = true, optional = true }
hyper-util = { workspace = true, optional = true, features = ["client", "client-legacy"] }
hyper_old = { workspace = true, features = ["client"] }
linked_hash_set = { workspace = true } linked_hash_set = { workspace = true }
once_cell = { workspace = true } once_cell = { workspace = true }
boring = { workspace = true } boring = { workspace = true }
tokio = { workspace = true } tokio = { workspace = true }
tokio-boring = { workspace = true } tokio-boring = { workspace = true }
tower-layer = { workspace = true } tower-layer = { workspace = true }
tower-service = { workspace = true, optional = true }
[dev-dependencies] [dev-dependencies]
hyper = { workspace = true, features = [ "full" ] } bytes = { workspace = true }
http-body-util = { workspace = true }
hyper-util = { workspace = true, features = ["http1", "http2", "service", "tokio"] }
hyper = { workspace = true, features = ["server"] }
hyper_old = { workspace = true, features = [ "full" ] }
tokio = { workspace = true, features = [ "full" ] } tokio = { workspace = true, features = [ "full" ] }
tower = { workspace = true, features = ["util"] } tower = { workspace = true, features = ["util"] }
futures = { workspace = true } futures = { workspace = true }

356
hyper-boring/src/lib.rs
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@ -2,91 +2,27 @@
#![warn(missing_docs)] #![warn(missing_docs)]
#![cfg_attr(docsrs, feature(doc_auto_cfg))] #![cfg_attr(docsrs, feature(doc_auto_cfg))]
use crate::cache::{SessionCache, SessionKey}; use crate::cache::SessionKey;
use antidote::Mutex;
use boring::error::ErrorStack; use boring::error::ErrorStack;
use boring::ex_data::Index; use boring::ex_data::Index;
use boring::ssl::{ use boring::ssl::Ssl;
ConnectConfiguration, Ssl, SslConnector, SslConnectorBuilder, SslMethod, SslRef,
SslSessionCacheMode,
};
use http::uri::Scheme;
use hyper::client::connect::{Connected, Connection};
#[cfg(feature = "runtime")]
use hyper::client::HttpConnector;
use hyper::service::Service;
use hyper::Uri;
use once_cell::sync::OnceCell; use once_cell::sync::OnceCell;
use std::fmt::Debug; use std::fmt;
use std::future::Future;
use std::io;
use std::net;
use std::pin::Pin;
use std::sync::Arc;
use std::task::{Context, Poll};
use std::{error::Error, fmt};
use tokio::io::{AsyncRead, AsyncWrite, ReadBuf};
use tokio_boring::SslStream; use tokio_boring::SslStream;
use tower_layer::Layer;
mod cache; mod cache;
#[cfg(test)] mod v0;
mod test; /// Hyper 1 support.
#[cfg(feature = "hyper1")]
pub mod v1;
pub use self::v0::*;
fn key_index() -> Result<Index<Ssl, SessionKey>, ErrorStack> { fn key_index() -> Result<Index<Ssl, SessionKey>, ErrorStack> {
static IDX: OnceCell<Index<Ssl, SessionKey>> = OnceCell::new(); static IDX: OnceCell<Index<Ssl, SessionKey>> = OnceCell::new();
IDX.get_or_try_init(Ssl::new_ex_index).copied() IDX.get_or_try_init(Ssl::new_ex_index).copied()
} }
#[derive(Clone)]
struct Inner {
ssl: SslConnector,
cache: Arc<Mutex<SessionCache>>,
callback: Option<Callback>,
ssl_callback: Option<SslCallback>,
}
type Callback =
Arc<dyn Fn(&mut ConnectConfiguration, &Uri) -> Result<(), ErrorStack> + Sync + Send>;
type SslCallback = Arc<dyn Fn(&mut SslRef, &Uri) -> Result<(), ErrorStack> + Sync + Send>;
impl Inner {
fn setup_ssl(&self, uri: &Uri, host: &str) -> Result<Ssl, ErrorStack> {
let mut conf = self.ssl.configure()?;
if let Some(ref callback) = self.callback {
callback(&mut conf, uri)?;
}
let key = SessionKey {
host: host.to_string(),
port: uri.port_u16().unwrap_or(443),
};
if let Some(session) = self.cache.lock().get(&key) {
unsafe {
conf.set_session(&session)?;
}
}
let idx = key_index()?;
conf.set_ex_data(idx, key);
let mut ssl = conf.into_ssl(host)?;
if let Some(ref ssl_callback) = self.ssl_callback {
ssl_callback(&mut ssl, uri)?;
}
Ok(ssl)
}
}
/// A layer which wraps services in an `HttpsConnector`.
pub struct HttpsLayer {
inner: Inner,
}
/// Settings for [`HttpsLayer`] /// Settings for [`HttpsLayer`]
pub struct HttpsLayerSettings { pub struct HttpsLayerSettings {
session_cache_capacity: usize, session_cache_capacity: usize,
@ -123,214 +59,6 @@ impl HttpsLayerSettingsBuilder {
} }
} }
impl HttpsLayer {
/// Creates a new `HttpsLayer` with default settings.
///
/// ALPN is configured to support both HTTP/1 and HTTP/1.1.
pub fn new() -> Result<HttpsLayer, ErrorStack> {
let mut ssl = SslConnector::builder(SslMethod::tls())?;
ssl.set_alpn_protos(b"\x02h2\x08http/1.1")?;
Self::with_connector(ssl)
}
/// Creates a new `HttpsLayer`.
///
/// The session cache configuration of `ssl` will be overwritten.
pub fn with_connector(ssl: SslConnectorBuilder) -> Result<HttpsLayer, ErrorStack> {
Self::with_connector_and_settings(ssl, Default::default())
}
/// Creates a new `HttpsLayer` with settings
pub fn with_connector_and_settings(
mut ssl: SslConnectorBuilder,
settings: HttpsLayerSettings,
) -> Result<HttpsLayer, ErrorStack> {
let cache = Arc::new(Mutex::new(SessionCache::with_capacity(
settings.session_cache_capacity,
)));
ssl.set_session_cache_mode(SslSessionCacheMode::CLIENT);
ssl.set_new_session_callback({
let cache = cache.clone();
move |ssl, session| {
if let Some(key) = key_index().ok().and_then(|idx| ssl.ex_data(idx)) {
cache.lock().insert(key.clone(), session);
}
}
});
Ok(HttpsLayer {
inner: Inner {
ssl: ssl.build(),
cache,
callback: None,
ssl_callback: None,
},
})
}
/// Registers a callback which can customize the configuration of each connection.
///
/// Unsuitable to change verify hostflags (with `config.param_mut().set_hostflags(…)`),
/// as they are reset after the callback is executed. Use [`Self::set_ssl_callback`]
/// instead.
pub fn set_callback<F>(&mut self, callback: F)
where
F: Fn(&mut ConnectConfiguration, &Uri) -> Result<(), ErrorStack> + 'static + Sync + Send,
{
self.inner.callback = Some(Arc::new(callback));
}
/// Registers a callback which can customize the `Ssl` of each connection.
pub fn set_ssl_callback<F>(&mut self, callback: F)
where
F: Fn(&mut SslRef, &Uri) -> Result<(), ErrorStack> + 'static + Sync + Send,
{
self.inner.ssl_callback = Some(Arc::new(callback));
}
}
impl<S> Layer<S> for HttpsLayer {
type Service = HttpsConnector<S>;
fn layer(&self, inner: S) -> HttpsConnector<S> {
HttpsConnector {
http: inner,
inner: self.inner.clone(),
}
}
}
/// A Connector using OpenSSL to support `http` and `https` schemes.
#[derive(Clone)]
pub struct HttpsConnector<T> {
http: T,
inner: Inner,
}
#[cfg(feature = "runtime")]
impl HttpsConnector<HttpConnector> {
/// Creates a a new `HttpsConnector` using default settings.
///
/// The Hyper `HttpConnector` is used to perform the TCP socket connection. ALPN is configured to support both
/// HTTP/2 and HTTP/1.1.
///
/// Requires the `runtime` Cargo feature.
pub fn new() -> Result<HttpsConnector<HttpConnector>, ErrorStack> {
let mut http = HttpConnector::new();
http.enforce_http(false);
HttpsLayer::new().map(|l| l.layer(http))
}
}
impl<S, T> HttpsConnector<S>
where
S: Service<Uri, Response = T> + Send,
S::Error: Into<Box<dyn Error + Send + Sync>>,
S::Future: Unpin + Send + 'static,
T: AsyncRead + AsyncWrite + Connection + Unpin + Debug + Sync + Send + 'static,
{
/// Creates a new `HttpsConnector`.
///
/// The session cache configuration of `ssl` will be overwritten.
pub fn with_connector(
http: S,
ssl: SslConnectorBuilder,
) -> Result<HttpsConnector<S>, ErrorStack> {
HttpsLayer::with_connector(ssl).map(|l| l.layer(http))
}
/// Registers a callback which can customize the configuration of each connection.
///
/// Unsuitable to change verify hostflags (with `config.param_mut().set_hostflags(…)`),
/// as they are reset after the callback is executed. Use [`Self::set_ssl_callback`]
/// instead.
pub fn set_callback<F>(&mut self, callback: F)
where
F: Fn(&mut ConnectConfiguration, &Uri) -> Result<(), ErrorStack> + 'static + Sync + Send,
{
self.inner.callback = Some(Arc::new(callback));
}
/// Registers a callback which can customize the `Ssl` of each connection.
pub fn set_ssl_callback<F>(&mut self, callback: F)
where
F: Fn(&mut SslRef, &Uri) -> Result<(), ErrorStack> + 'static + Sync + Send,
{
self.inner.ssl_callback = Some(Arc::new(callback));
}
}
impl<S> Service<Uri> for HttpsConnector<S>
where
S: Service<Uri> + Send,
S::Error: Into<Box<dyn Error + Send + Sync>>,
S::Future: Unpin + Send + 'static,
S::Response: AsyncRead + AsyncWrite + Connection + Unpin + Debug + Sync + Send + 'static,
{
type Response = MaybeHttpsStream<S::Response>;
type Error = Box<dyn Error + Sync + Send>;
#[allow(clippy::type_complexity)]
type Future = Pin<Box<dyn Future<Output = Result<Self::Response, Self::Error>> + Send>>;
fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
self.http.poll_ready(cx).map_err(Into::into)
}
fn call(&mut self, uri: Uri) -> Self::Future {
let is_tls_scheme = uri
.scheme()
.map(|s| s == &Scheme::HTTPS || s.as_str() == "wss")
.unwrap_or(false);
let tls_setup = if is_tls_scheme {
Some((self.inner.clone(), uri.clone()))
} else {
None
};
let connect = self.http.call(uri);
let f = async {
let conn = connect.await.map_err(Into::into)?;
let (inner, uri) = match tls_setup {
Some((inner, uri)) => (inner, uri),
None => return Ok(MaybeHttpsStream::Http(conn)),
};
let mut host = uri.host().ok_or("URI missing host")?;
// If `host` is an IPv6 address, we must strip away the square brackets that surround
// it (otherwise, boring will fail to parse the host as an IP address, eventually
// causing the handshake to fail due a hostname verification error).
if !host.is_empty() {
let last = host.len() - 1;
let mut chars = host.chars();
if let (Some('['), Some(']')) = (chars.next(), chars.last()) {
if host[1..last].parse::<net::Ipv6Addr>().is_ok() {
host = &host[1..last];
}
}
}
let ssl = inner.setup_ssl(&uri, host)?;
let stream = tokio_boring::SslStreamBuilder::new(ssl, conn)
.connect()
.await?;
Ok(MaybeHttpsStream::Https(stream))
};
Box::pin(f)
}
}
/// A stream which may be wrapped with TLS. /// A stream which may be wrapped with TLS.
pub enum MaybeHttpsStream<T> { pub enum MaybeHttpsStream<T> {
/// A raw HTTP stream. /// A raw HTTP stream.
@ -339,72 +67,6 @@ pub enum MaybeHttpsStream<T> {
Https(SslStream<T>), Https(SslStream<T>),
} }
impl<T> AsyncRead for MaybeHttpsStream<T>
where
T: AsyncRead + AsyncWrite + Unpin,
{
fn poll_read(
mut self: Pin<&mut Self>,
ctx: &mut Context<'_>,
buf: &mut ReadBuf,
) -> Poll<io::Result<()>> {
match &mut *self {
MaybeHttpsStream::Http(s) => Pin::new(s).poll_read(ctx, buf),
MaybeHttpsStream::Https(s) => Pin::new(s).poll_read(ctx, buf),
}
}
}
impl<T> AsyncWrite for MaybeHttpsStream<T>
where
T: AsyncRead + AsyncWrite + Unpin,
{
fn poll_write(
mut self: Pin<&mut Self>,
ctx: &mut Context<'_>,
buf: &[u8],
) -> Poll<io::Result<usize>> {
match &mut *self {
MaybeHttpsStream::Http(s) => Pin::new(s).poll_write(ctx, buf),
MaybeHttpsStream::Https(s) => Pin::new(s).poll_write(ctx, buf),
}
}
fn poll_flush(mut self: Pin<&mut Self>, ctx: &mut Context<'_>) -> Poll<io::Result<()>> {
match &mut *self {
MaybeHttpsStream::Http(s) => Pin::new(s).poll_flush(ctx),
MaybeHttpsStream::Https(s) => Pin::new(s).poll_flush(ctx),
}
}
fn poll_shutdown(mut self: Pin<&mut Self>, ctx: &mut Context<'_>) -> Poll<io::Result<()>> {
match &mut *self {
MaybeHttpsStream::Http(s) => Pin::new(s).poll_shutdown(ctx),
MaybeHttpsStream::Https(s) => Pin::new(s).poll_shutdown(ctx),
}
}
}
impl<T> Connection for MaybeHttpsStream<T>
where
T: Connection,
{
fn connected(&self) -> Connected {
match self {
MaybeHttpsStream::Http(s) => s.connected(),
MaybeHttpsStream::Https(s) => {
let mut connected = s.get_ref().connected();
if s.ssl().selected_alpn_protocol() == Some(b"h2") {
connected = connected.negotiated_h2();
}
connected
}
}
}
}
impl<T> fmt::Debug for MaybeHttpsStream<T> { impl<T> fmt::Debug for MaybeHttpsStream<T> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self { match *self {

345
hyper-boring/src/v0.rs Normal file
View File

@ -0,0 +1,345 @@
use crate::cache::{SessionCache, SessionKey};
use crate::{key_index, HttpsLayerSettings, MaybeHttpsStream};
use antidote::Mutex;
use boring::error::ErrorStack;
use boring::ssl::{
ConnectConfiguration, Ssl, SslConnector, SslConnectorBuilder, SslMethod, SslRef,
SslSessionCacheMode,
};
use http_old::uri::Scheme;
use hyper_old::client::connect::{Connected, Connection};
use hyper_old::client::HttpConnector;
use hyper_old::service::Service;
use hyper_old::Uri;
use std::error::Error;
use std::future::Future;
use std::net;
use std::pin::Pin;
use std::sync::Arc;
use std::task::{Context, Poll};
use std::{fmt, io};
use tokio::io::{AsyncRead, AsyncWrite, ReadBuf};
use tower_layer::Layer;
/// A Connector using OpenSSL to support `http` and `https` schemes.
#[derive(Clone)]
pub struct HttpsConnector<T> {
http: T,
inner: Inner,
}
#[cfg(feature = "runtime")]
impl HttpsConnector<HttpConnector> {
/// Creates a a new `HttpsConnector` using default settings.
///
/// The Hyper `HttpConnector` is used to perform the TCP socket connection. ALPN is configured to support both
/// HTTP/2 and HTTP/1.1.
///
/// Requires the `runtime` Cargo feature.
pub fn new() -> Result<HttpsConnector<HttpConnector>, ErrorStack> {
let mut http = HttpConnector::new();
http.enforce_http(false);
HttpsLayer::new().map(|l| l.layer(http))
}
}
impl<S, T> HttpsConnector<S>
where
S: Service<Uri, Response = T> + Send,
S::Error: Into<Box<dyn Error + Send + Sync>>,
S::Future: Unpin + Send + 'static,
T: AsyncRead + AsyncWrite + Connection + Unpin + fmt::Debug + Sync + Send + 'static,
{
/// Creates a new `HttpsConnector`.
///
/// The session cache configuration of `ssl` will be overwritten.
pub fn with_connector(
http: S,
ssl: SslConnectorBuilder,
) -> Result<HttpsConnector<S>, ErrorStack> {
HttpsLayer::with_connector(ssl).map(|l| l.layer(http))
}
/// Registers a callback which can customize the configuration of each connection.
///
/// Unsuitable to change verify hostflags (with `config.param_mut().set_hostflags(…)`),
/// as they are reset after the callback is executed. Use [`Self::set_ssl_callback`]
/// instead.
pub fn set_callback<F>(&mut self, callback: F)
where
F: Fn(&mut ConnectConfiguration, &Uri) -> Result<(), ErrorStack> + 'static + Sync + Send,
{
self.inner.callback = Some(Arc::new(callback));
}
/// Registers a callback which can customize the `Ssl` of each connection.
pub fn set_ssl_callback<F>(&mut self, callback: F)
where
F: Fn(&mut SslRef, &Uri) -> Result<(), ErrorStack> + 'static + Sync + Send,
{
self.inner.ssl_callback = Some(Arc::new(callback));
}
}
/// A layer which wraps services in an `HttpsConnector`.
pub struct HttpsLayer {
inner: Inner,
}
#[derive(Clone)]
struct Inner {
ssl: SslConnector,
cache: Arc<Mutex<SessionCache>>,
callback: Option<Callback>,
ssl_callback: Option<SslCallback>,
}
type Callback =
Arc<dyn Fn(&mut ConnectConfiguration, &Uri) -> Result<(), ErrorStack> + Sync + Send>;
type SslCallback = Arc<dyn Fn(&mut SslRef, &Uri) -> Result<(), ErrorStack> + Sync + Send>;
impl HttpsLayer {
/// Creates a new `HttpsLayer` with default settings.
///
/// ALPN is configured to support both HTTP/1 and HTTP/1.1.
pub fn new() -> Result<HttpsLayer, ErrorStack> {
let mut ssl = SslConnector::builder(SslMethod::tls())?;
ssl.set_alpn_protos(b"\x02h2\x08http/1.1")?;
Self::with_connector(ssl)
}
/// Creates a new `HttpsLayer`.
///
/// The session cache configuration of `ssl` will be overwritten.
pub fn with_connector(ssl: SslConnectorBuilder) -> Result<HttpsLayer, ErrorStack> {
Self::with_connector_and_settings(ssl, Default::default())
}
/// Creates a new `HttpsLayer` with settings
pub fn with_connector_and_settings(
mut ssl: SslConnectorBuilder,
settings: HttpsLayerSettings,
) -> Result<HttpsLayer, ErrorStack> {
let cache = Arc::new(Mutex::new(SessionCache::with_capacity(
settings.session_cache_capacity,
)));
ssl.set_session_cache_mode(SslSessionCacheMode::CLIENT);
ssl.set_new_session_callback({
let cache = cache.clone();
move |ssl, session| {
if let Some(key) = key_index().ok().and_then(|idx| ssl.ex_data(idx)) {
cache.lock().insert(key.clone(), session);
}
}
});
Ok(HttpsLayer {
inner: Inner {
ssl: ssl.build(),
cache,
callback: None,
ssl_callback: None,
},
})
}
/// Registers a callback which can customize the configuration of each connection.
///
/// Unsuitable to change verify hostflags (with `config.param_mut().set_hostflags(…)`),
/// as they are reset after the callback is executed. Use [`Self::set_ssl_callback`]
/// instead.
pub fn set_callback<F>(&mut self, callback: F)
where
F: Fn(&mut ConnectConfiguration, &Uri) -> Result<(), ErrorStack> + 'static + Sync + Send,
{
self.inner.callback = Some(Arc::new(callback));
}
/// Registers a callback which can customize the `Ssl` of each connection.
pub fn set_ssl_callback<F>(&mut self, callback: F)
where
F: Fn(&mut SslRef, &Uri) -> Result<(), ErrorStack> + 'static + Sync + Send,
{
self.inner.ssl_callback = Some(Arc::new(callback));
}
}
impl<S> Layer<S> for HttpsLayer {
type Service = HttpsConnector<S>;
fn layer(&self, inner: S) -> HttpsConnector<S> {
HttpsConnector {
http: inner,
inner: self.inner.clone(),
}
}
}
impl Inner {
fn setup_ssl(&self, uri: &Uri, host: &str) -> Result<Ssl, ErrorStack> {
let mut conf = self.ssl.configure()?;
if let Some(ref callback) = self.callback {
callback(&mut conf, uri)?;
}
let key = SessionKey {
host: host.to_string(),
port: uri.port_u16().unwrap_or(443),
};
if let Some(session) = self.cache.lock().get(&key) {
unsafe {
conf.set_session(&session)?;
}
}
let idx = key_index()?;
conf.set_ex_data(idx, key);
let mut ssl = conf.into_ssl(host)?;
if let Some(ref ssl_callback) = self.ssl_callback {
ssl_callback(&mut ssl, uri)?;
}
Ok(ssl)
}
}
impl<S> Service<Uri> for HttpsConnector<S>
where
S: Service<Uri> + Send,
S::Error: Into<Box<dyn Error + Send + Sync>>,
S::Future: Unpin + Send + 'static,
S::Response: AsyncRead + AsyncWrite + Connection + Unpin + fmt::Debug + Sync + Send + 'static,
{
type Response = MaybeHttpsStream<S::Response>;
type Error = Box<dyn Error + Sync + Send>;
#[allow(clippy::type_complexity)]
type Future = Pin<Box<dyn Future<Output = Result<Self::Response, Self::Error>> + Send>>;
fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
self.http.poll_ready(cx).map_err(Into::into)
}
fn call(&mut self, uri: Uri) -> Self::Future {
let is_tls_scheme = uri
.scheme()
.map(|s| s == &Scheme::HTTPS || s.as_str() == "wss")
.unwrap_or(false);
let tls_setup = if is_tls_scheme {
Some((self.inner.clone(), uri.clone()))
} else {
None
};
let connect = self.http.call(uri);
let f = async {
let conn = connect.await.map_err(Into::into)?;
let (inner, uri) = match tls_setup {
Some((inner, uri)) => (inner, uri),
None => return Ok(MaybeHttpsStream::Http(conn)),
};
let mut host = uri.host().ok_or("URI missing host")?;
// If `host` is an IPv6 address, we must strip away the square brackets that surround
// it (otherwise, boring will fail to parse the host as an IP address, eventually
// causing the handshake to fail due a hostname verification error).
if !host.is_empty() {
let last = host.len() - 1;
let mut chars = host.chars();
if let (Some('['), Some(']')) = (chars.next(), chars.last()) {
if host[1..last].parse::<net::Ipv6Addr>().is_ok() {
host = &host[1..last];
}
}
}
let ssl = inner.setup_ssl(&uri, host)?;
let stream = tokio_boring::SslStreamBuilder::new(ssl, conn)
.connect()
.await?;
Ok(MaybeHttpsStream::Https(stream))
};
Box::pin(f)
}
}
impl<T> Connection for MaybeHttpsStream<T>
where
T: Connection,
{
fn connected(&self) -> Connected {
match self {
MaybeHttpsStream::Http(s) => s.connected(),
MaybeHttpsStream::Https(s) => {
let mut connected = s.get_ref().connected();
if s.ssl().selected_alpn_protocol() == Some(b"h2") {
connected = connected.negotiated_h2();
}
connected
}
}
}
}
impl<T> AsyncRead for MaybeHttpsStream<T>
where
T: AsyncRead + AsyncWrite + Unpin,
{
fn poll_read(
mut self: Pin<&mut Self>,
ctx: &mut Context<'_>,
buf: &mut ReadBuf<'_>,
) -> Poll<io::Result<()>> {
match &mut *self {
MaybeHttpsStream::Http(s) => Pin::new(s).poll_read(ctx, buf),
MaybeHttpsStream::Https(s) => Pin::new(s).poll_read(ctx, buf),
}
}
}
impl<T> AsyncWrite for MaybeHttpsStream<T>
where
T: AsyncRead + AsyncWrite + Unpin,
{
fn poll_write(
mut self: Pin<&mut Self>,
ctx: &mut Context<'_>,
buf: &[u8],
) -> Poll<io::Result<usize>> {
match &mut *self {
MaybeHttpsStream::Http(s) => Pin::new(s).poll_write(ctx, buf),
MaybeHttpsStream::Https(s) => Pin::new(s).poll_write(ctx, buf),
}
}
fn poll_flush(mut self: Pin<&mut Self>, ctx: &mut Context<'_>) -> Poll<io::Result<()>> {
match &mut *self {
MaybeHttpsStream::Http(s) => Pin::new(s).poll_flush(ctx),
MaybeHttpsStream::Https(s) => Pin::new(s).poll_flush(ctx),
}
}
fn poll_shutdown(mut self: Pin<&mut Self>, ctx: &mut Context<'_>) -> Poll<io::Result<()>> {
match &mut *self {
MaybeHttpsStream::Http(s) => Pin::new(s).poll_shutdown(ctx),
MaybeHttpsStream::Https(s) => Pin::new(s).poll_shutdown(ctx),
}
}
}

350
hyper-boring/src/v1.rs Normal file
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@ -0,0 +1,350 @@
use crate::cache::{SessionCache, SessionKey};
use crate::{key_index, HttpsLayerSettings, MaybeHttpsStream};
use antidote::Mutex;
use boring::error::ErrorStack;
use boring::ssl::{
ConnectConfiguration, Ssl, SslConnector, SslConnectorBuilder, SslMethod, SslRef,
SslSessionCacheMode,
};
use http::uri::Scheme;
use http::Uri;
use hyper::rt::{Read, ReadBufCursor, Write};
use hyper_util::client::legacy::connect::{Connected, Connection, HttpConnector};
use hyper_util::rt::TokioIo;
use std::error::Error;
use std::fmt;
use std::future::Future;
use std::pin::Pin;
use std::sync::Arc;
use std::task::{Context, Poll};
use std::{io, net};
use tokio::io::{AsyncRead, AsyncWrite};
use tower_layer::Layer;
use tower_service::Service;
/// A Connector using BoringSSL to support `http` and `https` schemes.
#[derive(Clone)]
pub struct HttpsConnector<T> {
http: T,
inner: Inner,
}
#[cfg(feature = "runtime")]
impl HttpsConnector<HttpConnector> {
/// Creates a a new `HttpsConnector` using default settings.
///
/// The Hyper `HttpConnector` is used to perform the TCP socket connection. ALPN is configured to support both
/// HTTP/2 and HTTP/1.1.
///
/// Requires the `runtime` Cargo feature.
pub fn new() -> Result<HttpsConnector<HttpConnector>, ErrorStack> {
let mut http = HttpConnector::new();
http.enforce_http(false);
HttpsLayer::new().map(|l| l.layer(http))
}
}
impl<S, T> HttpsConnector<S>
where
S: Service<Uri, Response = TokioIo<T>> + Send,
S::Error: Into<Box<dyn Error + Send + Sync>>,
S::Future: Unpin + Send + 'static,
T: AsyncRead + AsyncWrite + Connection + Unpin + fmt::Debug + Sync + Send + 'static,
{
/// Creates a new `HttpsConnector`.
///
/// The session cache configuration of `ssl` will be overwritten.
pub fn with_connector(
http: S,
ssl: SslConnectorBuilder,
) -> Result<HttpsConnector<S>, ErrorStack> {
HttpsLayer::with_connector(ssl).map(|l| l.layer(http))
}
/// Registers a callback which can customize the configuration of each connection.
///
/// Unsuitable to change verify hostflags (with `config.param_mut().set_hostflags(…)`),
/// as they are reset after the callback is executed. Use [`Self::set_ssl_callback`]
/// instead.
pub fn set_callback<F>(&mut self, callback: F)
where
F: Fn(&mut ConnectConfiguration, &Uri) -> Result<(), ErrorStack> + 'static + Sync + Send,
{
self.inner.callback = Some(Arc::new(callback));
}
/// Registers a callback which can customize the `Ssl` of each connection.
pub fn set_ssl_callback<F>(&mut self, callback: F)
where
F: Fn(&mut SslRef, &Uri) -> Result<(), ErrorStack> + 'static + Sync + Send,
{
self.inner.ssl_callback = Some(Arc::new(callback));
}
}
/// A layer which wraps services in an `HttpsConnector`.
pub struct HttpsLayer {
inner: Inner,
}
#[derive(Clone)]
struct Inner {
ssl: SslConnector,
cache: Arc<Mutex<SessionCache>>,
callback: Option<Callback>,
ssl_callback: Option<SslCallback>,
}
type Callback =
Arc<dyn Fn(&mut ConnectConfiguration, &Uri) -> Result<(), ErrorStack> + Sync + Send>;
type SslCallback = Arc<dyn Fn(&mut SslRef, &Uri) -> Result<(), ErrorStack> + Sync + Send>;
impl HttpsLayer {
/// Creates a new `HttpsLayer` with default settings.
///
/// ALPN is configured to support both HTTP/1 and HTTP/1.1.
pub fn new() -> Result<HttpsLayer, ErrorStack> {
let mut ssl = SslConnector::builder(SslMethod::tls())?;
ssl.set_alpn_protos(b"\x02h2\x08http/1.1")?;
Self::with_connector(ssl)
}
/// Creates a new `HttpsLayer`.
///
/// The session cache configuration of `ssl` will be overwritten.
pub fn with_connector(ssl: SslConnectorBuilder) -> Result<HttpsLayer, ErrorStack> {
Self::with_connector_and_settings(ssl, Default::default())
}
/// Creates a new `HttpsLayer` with settings
pub fn with_connector_and_settings(
mut ssl: SslConnectorBuilder,
settings: HttpsLayerSettings,
) -> Result<HttpsLayer, ErrorStack> {
let cache = Arc::new(Mutex::new(SessionCache::with_capacity(
settings.session_cache_capacity,
)));
ssl.set_session_cache_mode(SslSessionCacheMode::CLIENT);
ssl.set_new_session_callback({
let cache = cache.clone();
move |ssl, session| {
if let Some(key) = key_index().ok().and_then(|idx| ssl.ex_data(idx)) {
cache.lock().insert(key.clone(), session);
}
}
});
Ok(HttpsLayer {
inner: Inner {
ssl: ssl.build(),
cache,
callback: None,
ssl_callback: None,
},
})
}
/// Registers a callback which can customize the configuration of each connection.
///
/// Unsuitable to change verify hostflags (with `config.param_mut().set_hostflags(…)`),
/// as they are reset after the callback is executed. Use [`Self::set_ssl_callback`]
/// instead.
pub fn set_callback<F>(&mut self, callback: F)
where
F: Fn(&mut ConnectConfiguration, &Uri) -> Result<(), ErrorStack> + 'static + Sync + Send,
{
self.inner.callback = Some(Arc::new(callback));
}
/// Registers a callback which can customize the `Ssl` of each connection.
pub fn set_ssl_callback<F>(&mut self, callback: F)
where
F: Fn(&mut SslRef, &Uri) -> Result<(), ErrorStack> + 'static + Sync + Send,
{
self.inner.ssl_callback = Some(Arc::new(callback));
}
}
impl<S> Layer<S> for HttpsLayer {
type Service = HttpsConnector<S>;
fn layer(&self, inner: S) -> HttpsConnector<S> {
HttpsConnector {
http: inner,
inner: self.inner.clone(),
}
}
}
impl Inner {
fn setup_ssl(&self, uri: &Uri, host: &str) -> Result<Ssl, ErrorStack> {
let mut conf = self.ssl.configure()?;
if let Some(ref callback) = self.callback {
callback(&mut conf, uri)?;
}
let key = SessionKey {
host: host.to_string(),
port: uri.port_u16().unwrap_or(443),
};
if let Some(session) = self.cache.lock().get(&key) {
unsafe {
conf.set_session(&session)?;
}
}
let idx = key_index()?;
conf.set_ex_data(idx, key);
let mut ssl = conf.into_ssl(host)?;
if let Some(ref ssl_callback) = self.ssl_callback {
ssl_callback(&mut ssl, uri)?;
}
Ok(ssl)
}
}
impl<T, S> Service<Uri> for HttpsConnector<S>
where
S: Service<Uri, Response = TokioIo<T>> + Send,
S::Error: Into<Box<dyn Error + Send + Sync>>,
S::Future: Unpin + Send + 'static,
T: AsyncRead + AsyncWrite + Connection + Unpin + fmt::Debug + Sync + Send + 'static,
{
type Response = MaybeHttpsStream<T>;
type Error = Box<dyn Error + Sync + Send>;
#[allow(clippy::type_complexity)]
type Future = Pin<Box<dyn Future<Output = Result<Self::Response, Self::Error>> + Send>>;
fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
self.http.poll_ready(cx).map_err(Into::into)
}
fn call(&mut self, uri: Uri) -> Self::Future {
let is_tls_scheme = uri
.scheme()
.map(|s| s == &Scheme::HTTPS || s.as_str() == "wss")
.unwrap_or(false);
let tls_setup = if is_tls_scheme {
Some((self.inner.clone(), uri.clone()))
} else {
None
};
let connect = self.http.call(uri);
let f = async {
let conn = connect.await.map_err(Into::into)?.into_inner();
let (inner, uri) = match tls_setup {
Some((inner, uri)) => (inner, uri),
None => return Ok(MaybeHttpsStream::Http(conn)),
};
let mut host = uri.host().ok_or("URI missing host")?;
// If `host` is an IPv6 address, we must strip away the square brackets that surround
// it (otherwise, boring will fail to parse the host as an IP address, eventually
// causing the handshake to fail due a hostname verification error).
if !host.is_empty() {
let last = host.len() - 1;
let mut chars = host.chars();
if let (Some('['), Some(']')) = (chars.next(), chars.last()) {
if host[1..last].parse::<net::Ipv6Addr>().is_ok() {
host = &host[1..last];
}
}
}
let ssl = inner.setup_ssl(&uri, host)?;
let stream = tokio_boring::SslStreamBuilder::new(ssl, conn)
.connect()
.await?;
Ok(MaybeHttpsStream::Https(stream))
};
Box::pin(f)
}
}
impl<T> Connection for MaybeHttpsStream<T>
where
T: Connection,
{
fn connected(&self) -> Connected {
match self {
MaybeHttpsStream::Http(s) => s.connected(),
MaybeHttpsStream::Https(s) => {
let mut connected = s.get_ref().connected();
if s.ssl().selected_alpn_protocol() == Some(b"h2") {
connected = connected.negotiated_h2();
}
connected
}
}
}
}
impl<T> Read for MaybeHttpsStream<T>
where
T: AsyncRead + AsyncWrite + Unpin,
{
fn poll_read(
mut self: Pin<&mut Self>,
cx: &mut Context<'_>,
buf: ReadBufCursor<'_>,
) -> Poll<Result<(), std::io::Error>> {
match &mut *self {
MaybeHttpsStream::Http(inner) => Pin::new(&mut TokioIo::new(inner)).poll_read(cx, buf),
MaybeHttpsStream::Https(inner) => Pin::new(&mut TokioIo::new(inner)).poll_read(cx, buf),
}
}
}
impl<T> Write for MaybeHttpsStream<T>
where
T: AsyncRead + AsyncWrite + Unpin,
{
fn poll_write(
mut self: Pin<&mut Self>,
ctx: &mut Context<'_>,
buf: &[u8],
) -> Poll<io::Result<usize>> {
match &mut *self {
MaybeHttpsStream::Http(inner) => {
Pin::new(&mut TokioIo::new(inner)).poll_write(ctx, buf)
}
MaybeHttpsStream::Https(inner) => {
Pin::new(&mut TokioIo::new(inner)).poll_write(ctx, buf)
}
}
}
fn poll_flush(mut self: Pin<&mut Self>, ctx: &mut Context<'_>) -> Poll<io::Result<()>> {
match &mut *self {
MaybeHttpsStream::Http(inner) => Pin::new(&mut TokioIo::new(inner)).poll_flush(ctx),
MaybeHttpsStream::Https(inner) => Pin::new(&mut TokioIo::new(inner)).poll_flush(ctx),
}
}
fn poll_shutdown(mut self: Pin<&mut Self>, ctx: &mut Context<'_>) -> Poll<io::Result<()>> {
match &mut *self {
MaybeHttpsStream::Http(inner) => Pin::new(&mut TokioIo::new(inner)).poll_shutdown(ctx),
MaybeHttpsStream::Https(inner) => Pin::new(&mut TokioIo::new(inner)).poll_shutdown(ctx),
}
}
}

0
hyper-boring/test/cert.pem → hyper-boring/tests/test/cert.pem
View File

0
hyper-boring/test/key.pem → hyper-boring/tests/test/key.pem
View File

0
hyper-boring/test/root-ca.pem → hyper-boring/tests/test/root-ca.pem
View File

26
hyper-boring/src/test.rs → hyper-boring/tests/v0.rs
View File

@ -1,12 +1,12 @@
use super::*; use boring::ssl::{SslAcceptor, SslConnector, SslFiletype, SslMethod};
use boring::ssl::{SslAcceptor, SslFiletype, SslMethod};
use futures::StreamExt; use futures::StreamExt;
use hyper::client::HttpConnector; use hyper_boring::HttpsConnector;
use hyper::server::conn::Http; use hyper_old::client::HttpConnector;
use hyper::{service, Response}; use hyper_old::server::conn::Http;
use hyper::{Body, Client}; use hyper_old::{service, Response};
use hyper_old::{Body, Client};
use std::convert::Infallible; use std::convert::Infallible;
use std::iter; use std::{io, iter};
use tokio::net::TcpListener; use tokio::net::TcpListener;
#[tokio::test] #[tokio::test]
@ -37,10 +37,10 @@ async fn localhost() {
let mut acceptor = SslAcceptor::mozilla_intermediate(SslMethod::tls()).unwrap(); let mut acceptor = SslAcceptor::mozilla_intermediate(SslMethod::tls()).unwrap();
acceptor.set_session_id_context(b"test").unwrap(); acceptor.set_session_id_context(b"test").unwrap();
acceptor acceptor
.set_private_key_file("test/key.pem", SslFiletype::PEM) .set_private_key_file("tests/test/key.pem", SslFiletype::PEM)
.unwrap(); .unwrap();
acceptor acceptor
.set_certificate_chain_file("test/cert.pem") .set_certificate_chain_file("tests/test/cert.pem")
.unwrap(); .unwrap();
let acceptor = acceptor.build(); let acceptor = acceptor.build();
@ -69,7 +69,7 @@ async fn localhost() {
let mut ssl = SslConnector::builder(SslMethod::tls()).unwrap(); let mut ssl = SslConnector::builder(SslMethod::tls()).unwrap();
ssl.set_ca_file("test/root-ca.pem").unwrap(); ssl.set_ca_file("tests/test/root-ca.pem").unwrap();
use std::fs::File; use std::fs::File;
use std::io::Write; use std::io::Write;
@ -104,10 +104,10 @@ async fn alpn_h2() {
let server = async move { let server = async move {
let mut acceptor = SslAcceptor::mozilla_modern(SslMethod::tls()).unwrap(); let mut acceptor = SslAcceptor::mozilla_modern(SslMethod::tls()).unwrap();
acceptor acceptor
.set_certificate_chain_file("test/cert.pem") .set_certificate_chain_file("tests/test/cert.pem")
.unwrap(); .unwrap();
acceptor acceptor
.set_private_key_file("test/key.pem", SslFiletype::PEM) .set_private_key_file("tests/test/key.pem", SslFiletype::PEM)
.unwrap(); .unwrap();
acceptor.set_alpn_select_callback(|_, client| { acceptor.set_alpn_select_callback(|_, client| {
ssl::select_next_proto(b"\x02h2", client).ok_or(AlpnError::NOACK) ssl::select_next_proto(b"\x02h2", client).ok_or(AlpnError::NOACK)
@ -138,7 +138,7 @@ async fn alpn_h2() {
let mut ssl = SslConnector::builder(SslMethod::tls()).unwrap(); let mut ssl = SslConnector::builder(SslMethod::tls()).unwrap();
ssl.set_ca_file("test/root-ca.pem").unwrap(); ssl.set_ca_file("tests/test/root-ca.pem").unwrap();
let mut ssl = HttpsConnector::with_connector(connector, ssl).unwrap(); let mut ssl = HttpsConnector::with_connector(connector, ssl).unwrap();

160
hyper-boring/tests/v1.rs Normal file
View File

@ -0,0 +1,160 @@
#![cfg(feature = "hyper1")]
use boring::ssl::{SslAcceptor, SslConnector, SslFiletype, SslMethod};
use bytes::Bytes;
use futures::StreamExt;
use http_body_util::{BodyStream, Empty};
use hyper::{service, Response};
use hyper_boring::v1::HttpsConnector;
use hyper_util::client::legacy::connect::HttpConnector;
use hyper_util::client::legacy::Client;
use hyper_util::rt::{TokioExecutor, TokioIo};
use std::convert::Infallible;
use std::{io, iter};
use tokio::net::TcpListener;
#[tokio::test]
async fn google() {
let ssl = HttpsConnector::new().unwrap();
let client = Client::builder(TokioExecutor::new())
.pool_max_idle_per_host(0)
.build::<_, Empty<Bytes>>(ssl);
for _ in 0..3 {
let resp = client
.get("https://www.google.com".parse().unwrap())
.await
.expect("connection should succeed");
let mut body = BodyStream::new(resp.into_body());
while body.next().await.transpose().unwrap().is_some() {}
}
}
#[tokio::test]
async fn localhost() {
let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
let addr = listener.local_addr().unwrap();
let port = addr.port();
let server = async move {
let mut acceptor = SslAcceptor::mozilla_intermediate(SslMethod::tls()).unwrap();
acceptor.set_session_id_context(b"test").unwrap();
acceptor
.set_private_key_file("tests/test/key.pem", SslFiletype::PEM)
.unwrap();
acceptor
.set_certificate_chain_file("tests/test/cert.pem")
.unwrap();
let acceptor = acceptor.build();
for _ in 0..3 {
let stream = listener.accept().await.unwrap().0;
let stream = tokio_boring::accept(&acceptor, stream).await.unwrap();
let service = service::service_fn(|_| async {
Ok::<_, io::Error>(Response::new(<Empty<Bytes>>::new()))
});
hyper::server::conn::http1::Builder::new()
.keep_alive(false)
.serve_connection(TokioIo::new(stream), service)
.await
.unwrap();
}
};
tokio::spawn(server);
let resolver =
tower::service_fn(move |_name| async move { Ok::<_, Infallible>(iter::once(addr)) });
let mut connector = HttpConnector::new_with_resolver(resolver);
connector.enforce_http(false);
let mut ssl = SslConnector::builder(SslMethod::tls()).unwrap();
ssl.set_ca_file("tests/test/root-ca.pem").unwrap();
use std::fs::File;
use std::io::Write;
let file = File::create("../target/keyfile.log").unwrap();
ssl.set_keylog_callback(move |_, line| {
let _ = writeln!(&file, "{}", line);
});
let ssl = HttpsConnector::with_connector(connector, ssl).unwrap();
let client = Client::builder(TokioExecutor::new()).build::<_, Empty<Bytes>>(ssl);
for _ in 0..3 {
let resp = client
.get(format!("https://foobar.com:{}", port).parse().unwrap())
.await
.unwrap();
assert!(resp.status().is_success(), "{}", resp.status());
let mut body = BodyStream::new(resp.into_body());
while body.next().await.transpose().unwrap().is_some() {}
}
}
#[tokio::test]
async fn alpn_h2() {
use boring::ssl::{self, AlpnError};
let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
let addr = listener.local_addr().unwrap();
let port = addr.port();
let server = async move {
let mut acceptor = SslAcceptor::mozilla_modern(SslMethod::tls()).unwrap();
acceptor
.set_certificate_chain_file("tests/test/cert.pem")
.unwrap();
acceptor
.set_private_key_file("tests/test/key.pem", SslFiletype::PEM)
.unwrap();
acceptor.set_alpn_select_callback(|_, client| {
ssl::select_next_proto(b"\x02h2", client).ok_or(AlpnError::NOACK)
});
let acceptor = acceptor.build();
let stream = listener.accept().await.unwrap().0;
let stream = tokio_boring::accept(&acceptor, stream).await.unwrap();
assert_eq!(stream.ssl().selected_alpn_protocol().unwrap(), b"h2");
let service = service::service_fn(|_| async {
Ok::<_, io::Error>(Response::new(<Empty<Bytes>>::new()))
});
hyper::server::conn::http2::Builder::new(TokioExecutor::new())
.serve_connection(TokioIo::new(stream), service)
.await
.unwrap();
};
tokio::spawn(server);
let resolver =
tower::service_fn(move |_name| async move { Ok::<_, Infallible>(iter::once(addr)) });
let mut connector = HttpConnector::new_with_resolver(resolver);
connector.enforce_http(false);
let mut ssl = SslConnector::builder(SslMethod::tls()).unwrap();
ssl.set_ca_file("tests/test/root-ca.pem").unwrap();
let mut ssl = HttpsConnector::with_connector(connector, ssl).unwrap();
ssl.set_ssl_callback(|ssl, _| ssl.set_alpn_protos(b"\x02h2\x08http/1.1"));
let client = Client::builder(TokioExecutor::new()).build::<_, Empty<Bytes>>(ssl);
let resp = client
.get(format!("https://foobar.com:{}", port).parse().unwrap())
.await
.unwrap();
assert!(resp.status().is_success(), "{}", resp.status());
let mut body = BodyStream::new(resp.into_body());
while body.next().await.transpose().unwrap().is_some() {}
}