move rustls and nativetls acceptor services to actix-tls

actix-tls/CHANGES.md

@@ -8,6 +8,8 @@
 
 * Enable rustls acceptor service
 
+* Enable native-tls acceptor service
+
 ## [1.0.0-alpha.1] - 2019-12-02
 
 * Split openssl accetor from actix-server package

actix-tls/Cargo.toml

@@ -13,7 +13,7 @@ edition = "2018"
 workspace = ".."
 
 [package.metadata.docs.rs]
-features = ["openssl", "rustls"]
+features = ["openssl", "rustls", "nativetls"]
 
 [lib]
 name = "actix_tls"
@@ -28,6 +28,9 @@ openssl = ["open-ssl", "tokio-openssl"]
 # rustls
 rustls = ["rust-tls", "webpki"]
 
+# nativetls
+nativetls = ["native-tls", "tokio-tls"]
+
 [dependencies]
 actix-service = "1.0.0-alpha.3"
 actix-codec = "0.2.0-alpha.3"
@@ -48,6 +51,10 @@ webpki = { version = "0.21", optional = true }
 webpki-roots = { version = "0.17", optional = true }
 tokio-rustls = { version = "0.12.0", optional = true }
 
+# native-tls
+native-tls = { version="0.2", optional = true }
+tokio-tls = { version="0.3", optional = true }
+
 [dev-dependencies]
 bytes = "0.5"
 actix-testing = { version="1.0.0-alpha.3" }

actix-tls/src/lib.rs

@@ -9,10 +9,11 @@ use actix_utils::counter::Counter;
 #[cfg(feature = "openssl")]
 pub mod openssl;
 
-//#[cfg(feature = "rustls")]
-//mod rustls;
-//#[cfg(feature = "rustls")]
-//pub use self::rustls::RustlsAcceptor;
+#[cfg(feature = "rustls")]
+pub mod rustls;
+
+#[cfg(feature = "nativetls")]
+pub mod nativetls;
 
 /// Sets the maximum per-worker concurrent ssl connection establish process.
 ///

actix-tls/src/nativetls.rs

@@ -0,0 +1,114 @@
+use std::marker::PhantomData;
+use std::task::{Context, Poll};
+
+use actix_codec::{AsyncRead, AsyncWrite};
+use actix_service::{Service, ServiceFactory};
+use actix_utils::counter::Counter;
+use futures::future::{self, FutureExt, LocalBoxFuture, TryFutureExt};
+pub use native_tls::Error;
+pub use tokio_tls::{TlsAcceptor, TlsStream};
+
+use crate::MAX_CONN_COUNTER;
+
+/// Support `SSL` connections via native-tls package
+///
+/// `tls` feature enables `NativeTlsAcceptor` type
+pub struct NativeTlsAcceptor<T> {
+    acceptor: TlsAcceptor,
+    io: PhantomData<T>,
+}
+
+impl<T> NativeTlsAcceptor<T>
+where
+    T: AsyncRead + AsyncWrite + Unpin,
+{
+    /// Create `NativeTlsAcceptor` instance
+    #[inline]
+    pub fn new(acceptor: TlsAcceptor) -> Self {
+        NativeTlsAcceptor {
+            acceptor,
+            io: PhantomData,
+        }
+    }
+}
+
+impl<T> Clone for NativeTlsAcceptor<T> {
+    #[inline]
+    fn clone(&self) -> Self {
+        Self {
+            acceptor: self.acceptor.clone(),
+            io: PhantomData,
+        }
+    }
+}
+
+impl<T> ServiceFactory for NativeTlsAcceptor<T>
+where
+    T: AsyncRead + AsyncWrite + Unpin + 'static,
+{
+    type Request = T;
+    type Response = TlsStream<T>;
+    type Error = Error;
+    type Service = NativeTlsAcceptorService<T>;
+
+    type Config = ();
+    type InitError = ();
+    type Future = future::Ready<Result<Self::Service, Self::InitError>>;
+
+    fn new_service(&self, _: ()) -> Self::Future {
+        MAX_CONN_COUNTER.with(|conns| {
+            future::ok(NativeTlsAcceptorService {
+                acceptor: self.acceptor.clone(),
+                conns: conns.clone(),
+                io: PhantomData,
+            })
+        })
+    }
+}
+
+pub struct NativeTlsAcceptorService<T> {
+    acceptor: TlsAcceptor,
+    io: PhantomData<T>,
+    conns: Counter,
+}
+
+impl<T> Clone for NativeTlsAcceptorService<T> {
+    fn clone(&self) -> Self {
+        Self {
+            acceptor: self.acceptor.clone(),
+            io: PhantomData,
+            conns: self.conns.clone(),
+        }
+    }
+}
+
+impl<T> Service for NativeTlsAcceptorService<T>
+where
+    T: AsyncRead + AsyncWrite + Unpin + 'static,
+{
+    type Request = T;
+    type Response = TlsStream<T>;
+    type Error = Error;
+    type Future = LocalBoxFuture<'static, Result<TlsStream<T>, Error>>;
+
+    fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        if self.conns.available(cx) {
+            Poll::Ready(Ok(()))
+        } else {
+            Poll::Pending
+        }
+    }
+
+    fn call(&mut self, req: Self::Request) -> Self::Future {
+        let guard = self.conns.get();
+        let this = self.clone();
+        async move { this.acceptor.accept(req).await }
+            .map_ok(move |io| {
+                // Required to preserve `CounterGuard` until `Self::Future`
+                // is completely resolved.
+                let _ = guard;
+                io
+            })
+            .boxed_local()
+    }
+}

actix-tls/src/rustls.rs

@@ -0,0 +1,116 @@
+use std::future::Future;
+use std::io;
+use std::marker::PhantomData;
+use std::pin::Pin;
+use std::sync::Arc;
+use std::task::{Context, Poll};
+
+use actix_codec::{AsyncRead, AsyncWrite};
+use actix_service::{Service, ServiceFactory};
+use actix_utils::counter::{Counter, CounterGuard};
+use futures::future::{ok, Ready};
+use tokio_rustls::{Accept, TlsAcceptor};
+
+pub use rust_tls::ServerConfig;
+pub use tokio_rustls::server::TlsStream;
+
+use crate::MAX_CONN_COUNTER;
+
+/// Support `SSL` connections via rustls package
+///
+/// `rust-tls` feature enables `RustlsAcceptor` type
+pub struct Acceptor<T> {
+    config: Arc<ServerConfig>,
+    io: PhantomData<T>,
+}
+
+impl<T: AsyncRead + AsyncWrite> Acceptor<T> {
+    /// Create rustls based `Acceptor` service factory
+    pub fn new(config: ServerConfig) -> Self {
+        Acceptor {
+            config: Arc::new(config),
+            io: PhantomData,
+        }
+    }
+}
+
+impl<T> Clone for Acceptor<T> {
+    fn clone(&self) -> Self {
+        Self {
+            config: self.config.clone(),
+            io: PhantomData,
+        }
+    }
+}
+
+impl<T: AsyncRead + AsyncWrite + Unpin> ServiceFactory for Acceptor<T> {
+    type Request = T;
+    type Response = TlsStream<T>;
+    type Error = io::Error;
+    type Service = AcceptorService<T>;
+
+    type Config = ();
+    type InitError = ();
+    type Future = Ready<Result<Self::Service, Self::InitError>>;
+
+    fn new_service(&self, _: ()) -> Self::Future {
+        MAX_CONN_COUNTER.with(|conns| {
+            ok(AcceptorService {
+                acceptor: self.config.clone().into(),
+                conns: conns.clone(),
+                io: PhantomData,
+            })
+        })
+    }
+}
+
+/// RusTLS based `Acceptor` service
+pub struct AcceptorService<T> {
+    acceptor: TlsAcceptor,
+    io: PhantomData<T>,
+    conns: Counter,
+}
+
+impl<T: AsyncRead + AsyncWrite + Unpin> Service for AcceptorService<T> {
+    type Request = T;
+    type Response = TlsStream<T>;
+    type Error = io::Error;
+    type Future = AcceptorServiceFut<T>;
+
+    fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
+        if self.conns.available(cx) {
+            Poll::Ready(Ok(()))
+        } else {
+            Poll::Pending
+        }
+    }
+
+    fn call(&mut self, req: Self::Request) -> Self::Future {
+        AcceptorServiceFut {
+            _guard: self.conns.get(),
+            fut: self.acceptor.accept(req),
+        }
+    }
+}
+
+pub struct AcceptorServiceFut<T>
+where
+    T: AsyncRead + AsyncWrite + Unpin,
+{
+    fut: Accept<T>,
+    _guard: CounterGuard,
+}
+
+impl<T: AsyncRead + AsyncWrite + Unpin> Future for AcceptorServiceFut<T> {
+    type Output = Result<TlsStream<T>, io::Error>;
+
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        let this = self.get_mut();
+
+        let res = futures::ready!(Pin::new(&mut this.fut).poll(cx));
+        match res {
+            Ok(io) => Poll::Ready(Ok(io)),
+            Err(e) => Poll::Ready(Err(e)),
+        }
+    }
+}