Update to actix-web 1.0 and use handlebars

Cargo.toml

@@ -16,10 +16,13 @@ travis-ci = { repository = "fubarnetes/webterm", branch = "master" }
 maintenance = { status = "actively-developed" }
 
 [dependencies]
+actix-files = "0.1.4"
+actix-service = "0.4.2"
+actix-web-actors = "1.0.2"
 actix-web= "1.0.8"
 actix= "0.8.3"
-askama = { version = "0.8.0", features= ["with-actix-web"] }
 futures = "0.1.29"
+handlebars = "2.0.2"
 lazy_static = "1.3.0"
 libc = "0.2.62"
 log = "0.4.8"

src/event.rs

@@ -1,5 +1,4 @@
 use actix::Message;
-use actix_web::Binary;
 use futures::{Future, Poll};
 use libc::c_ushort;
 use tokio_pty_process::PtyMaster;
@@ -37,8 +36,8 @@ impl Message for IO {
     type Result = ();
 }
 
-impl Into<Binary> for IO {
-    fn into(self) -> Binary {
+impl Into<actix_web::web::Bytes> for IO {
+    fn into(self) -> actix_web::web::Bytes {
         self.0.into()
     }
 }
@@ -49,8 +48,8 @@ impl AsRef<[u8]> for IO {
     }
 }
 
-impl From<Binary> for IO {
-    fn from(b: Binary) -> Self {
+impl From<actix_web::web::Bytes> for IO {
+    fn from(b: actix_web::web::Bytes) -> Self {
         Self(b.as_ref().into())
     }
 }

src/lib.rs

@@ -29,10 +29,11 @@
 
 extern crate actix;
 extern crate actix_web;
-extern crate askama;
 extern crate futures;
+extern crate handlebars;
 extern crate libc;
 extern crate serde;
+#[macro_use]
 extern crate serde_json;
 extern crate tokio;
 extern crate tokio_codec;
@@ -41,12 +42,11 @@ extern crate tokio_pty_process;
 #[macro_use]
 extern crate log;
 extern crate pretty_env_logger;
-use askama::actix_web::TemplateIntoResponse;
 
-use actix::*;
-use actix_web::{ws, App};
-
-use futures::prelude::*;
+use actix::prelude::*;
+use actix::{Actor, StreamHandler};
+use actix_web::{web, App, HttpRequest, HttpResponse};
+use actix_web_actors::ws;
 
 use std::io::Write;
 use std::process::Command;
@@ -55,11 +55,12 @@ use std::time::{Duration, Instant};
 use tokio_codec::{BytesCodec, Decoder, FramedRead};
 use tokio_pty_process::{AsyncPtyMaster, AsyncPtyMasterWriteHalf, Child, CommandExt};
 
+use handlebars::Handlebars;
+
 const HEARTBEAT_INTERVAL: Duration = Duration::from_secs(5);
 const CLIENT_TIMEOUT: Duration = Duration::from_secs(10);
 
 mod event;
-pub mod templates;
 mod terminado;
 
 /// Actix WebSocket actor
@@ -175,6 +176,7 @@ impl StreamHandler<ws::Message, ws::ProtocolError> for Websocket {
             }
             ws::Message::Binary(b) => cons.do_send(event::IO::from(b)),
             ws::Message::Close(_) => ctx.stop(),
+            ws::Message::Nop => {}
         };
     }
 }
@@ -341,7 +343,7 @@ pub trait WebTermExt {
     /// Serve the websocket for the webterm
     fn webterm_socket<F>(self: Self, endpoint: &str, handler: F) -> Self
     where
-        F: Fn(&actix_web::Request) -> Command + 'static;
+        F: Clone + Fn(&actix_web::HttpRequest) -> Command + 'static;
 
     fn webterm_ui(
         self: Self,
@@ -351,14 +353,27 @@ pub trait WebTermExt {
     ) -> Self;
 }
 
-impl WebTermExt for App<()> {
+impl<T, B> WebTermExt for App<T, B>
+where
+    B: actix_web::body::MessageBody,
+    T: actix_service::NewService<
+        Config = (),
+        Request = actix_web::dev::ServiceRequest,
+        Response = actix_web::dev::ServiceResponse<B>,
+        Error = actix_web::Error,
+        InitError = (),
+    >,
+{
     fn webterm_socket<F>(self: Self, endpoint: &str, handler: F) -> Self
     where
-        F: Fn(&actix_web::Request) -> Command + 'static,
+        F: Clone + Fn(&actix_web::HttpRequest) -> Command + 'static,
     {
-        self.resource(endpoint, move |r| {
-            r.f(move |req| ws::start(req, Websocket::new(handler(req))))
-        })
+        self.route(
+            endpoint,
+            web::get().to(move |req: HttpRequest, stream: web::Payload| {
+                ws::start(Websocket::new(handler(&req)), &req, stream)
+            }),
+        )
     }
 
     fn webterm_ui(
@@ -367,9 +382,23 @@ impl WebTermExt for App<()> {
         webterm_socket_endpoint: &str,
         static_path: &str,
     ) -> Self {
-        let template = templates::WebTerm::new(webterm_socket_endpoint, static_path);
-        self.resource(endpoint, move |r| {
-            r.get().f(move |_| template.into_response())
-        })
+        let mut handlebars = Handlebars::new();
+        handlebars
+            .register_templates_directory(".html", "./templates")
+            .unwrap();
+        let handlebars_ref = web::Data::new(handlebars);
+        let static_path = static_path.to_owned();
+        let webterm_socket_endpoint = webterm_socket_endpoint.to_owned();
+        self.register_data(handlebars_ref.clone()).route(
+            endpoint,
+            web::get().to(move |hb: web::Data<Handlebars>| {
+                let data = json!({
+                "websocket_path": webterm_socket_endpoint,
+                "static_path": static_path,
+                });
+                let body = hb.render("term", &data).unwrap();
+                HttpResponse::Ok().body(body)
+            }),
+        )
     }
 }

src/server.rs

@@ -1,11 +1,11 @@
 extern crate actix;
 extern crate actix_web;
-extern crate webterm;
 extern crate structopt;
+extern crate webterm;
 #[macro_use]
 extern crate lazy_static;
 
-use actix_web::{fs::StaticFiles, server, App};
+use actix_web::{App, HttpServer};
 use structopt::StructOpt;
 use webterm::WebTermExt;
 
@@ -31,18 +31,12 @@ lazy_static! {
     static ref OPT: Opt = Opt::from_args();
 }
 
-
 fn main() {
     pretty_env_logger::init();
 
-    server::new(|| {
+    HttpServer::new(|| {
         App::new()
-            .handler(
-                "/static",
-                StaticFiles::new("node_modules")
-                    .unwrap()
-                    .show_files_listing(),
-            )
+            .service(actix_files::Files::new("/static", "./node_modules"))
             .webterm_socket("/websocket", |_req| {
                 let mut cmd = Command::new(OPT.command.clone());
                 cmd.env("TERM", "xterm");
@@ -52,5 +46,6 @@ fn main() {
     })
     .bind(format!("{}:{}", OPT.host, OPT.port))
     .unwrap()
-    .run();
+    .run()
+    .unwrap();
 }

src/templates.rs

@@ -1,20 +0,0 @@
-use askama::Template;
-
-#[derive(Template)]
-#[template(path = "term.html")]
-pub struct WebTerm {
-    websocket_path: String,
-    static_path: String,
-}
-
-impl WebTerm {
-    pub fn new<S>(websocket_path: S, static_path: S) -> Self
-    where
-        S: Into<String>,
-    {
-        Self {
-            websocket_path: websocket_path.into(),
-            static_path: static_path.into(),
-        }
-    }
-}

templates/term.html

@@ -7,12 +7,12 @@ SPDX-License-Identifier: BSD-3-Clause
 <html>
 	<head>
 		<meta charset="UTF-8" />
-		<link rel="stylesheet" href="{{ static_path|safe }}/xterm/dist/xterm.css" />
-		<script src="{{ static_path|safe }}/xterm/dist/xterm.js"></script>
-		<script src="{{ static_path|safe }}/xterm/dist/addons/attach/attach.js"></script>
-		<script src="{{ static_path|safe }}/xterm/dist/addons/terminado/terminado.js"></script>
-		<script src="{{ static_path|safe }}/xterm/dist/addons/fit/fit.js"></script>
-		<script src="{{ static_path|safe }}/xterm/dist/addons/search/search.js"></script>
+		<link rel="stylesheet" href="{{ static_path }}/xterm/dist/xterm.css" />
+		<script src="{{ static_path }}/xterm/dist/xterm.js"></script>
+		<script src="{{ static_path }}/xterm/dist/addons/attach/attach.js"></script>
+		<script src="{{ static_path }}/xterm/dist/addons/terminado/terminado.js"></script>
+		<script src="{{ static_path }}/xterm/dist/addons/fit/fit.js"></script>
+		<script src="{{ static_path }}/xterm/dist/addons/search/search.js"></script>
 <style>
 	body {
 		margin: 0;
@@ -32,7 +32,7 @@ SPDX-License-Identifier: BSD-3-Clause
 
 			var term = new Terminal();
 			var protocol = (location.protocol === 'https:') ? 'wss://' : 'ws://';
-			var socketURL = protocol + location.hostname + ((location.port) ? (':' + location.port) : '') + "{{ websocket_path|safe }}";
+			var socketURL = protocol + location.hostname + ((location.port) ? (':' + location.port) : '') + "{{ websocket_path }}";
 			var sock = new WebSocket(socketURL);
 
 			sock.addEventListener('open', function() {