Serve up web wallet application (#1367)

* first addition of static wallet file server * rustfmt * add custom build functions to download and untar particular release of the web-wallet * rustfmt * remove comments
2018-08-17 18:51:50 +01:00
parent adeaea4622
commit 103c9cda77
9 changed files with 660 additions and 21 deletions
@@ -22,7 +22,10 @@
 #![warn(missing_docs)]

 extern crate bufstream;
+extern crate futures;
+extern crate http;
 extern crate hyper;
+extern crate hyper_staticfile;
 extern crate itertools;
 extern crate jsonrpc_core;
 extern crate lmdb_zero as lmdb;
@@ -48,7 +51,9 @@ extern crate grin_wallet as wallet;
 pub mod common;
 mod grin;
 mod mining;
+mod webwallet;

 pub use common::stats::{DiffBlock, PeerStats, ServerStats, StratumStats, WorkerStats};
 pub use common::types::{Seeding, ServerConfig, StratumServerConfig};
 pub use grin::server::Server;
+pub use webwallet::server::start_webwallet_server;
@@ -0,0 +1,17 @@
+// Copyright 2018 The Grin Developers
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! Web wallet application static file server
+
+pub mod server;
@@ -0,0 +1,103 @@
+// Copyright 2018 The Grin Developers
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! Integrated static file server to serve up a pre-compiled web-wallet
+//! application locally
+
+use futures::{future, Async::*, Future, Poll};
+use http::response::Builder as ResponseBuilder;
+use http::{header, Request, Response, StatusCode};
+use hyper::service::Service;
+use hyper::{rt, Body, Server};
+use hyper_staticfile::{Static, StaticFuture};
+use std::env;
+use std::io::Error;
+use std::thread;
+
+use util::LOGGER;
+
+/// Future returned from `MainService`.
+enum MainFuture {
+	Root,
+	Static(StaticFuture<Body>),
+}
+
+impl Future for MainFuture {
+	type Item = Response<Body>;
+	type Error = Error;
+
+	fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
+		match *self {
+			MainFuture::Root => {
+				let res = ResponseBuilder::new()
+					.status(StatusCode::MOVED_PERMANENTLY)
+					.header(header::LOCATION, "/index.html")
+					.body(Body::empty())
+					.expect("unable to build response");
+				Ok(Ready(res))
+			}
+			MainFuture::Static(ref mut future) => future.poll(),
+		}
+	}
+}
+
+/// Hyper `Service` implementation that serves all requests.
+struct MainService {
+	static_: Static,
+}
+
+impl MainService {
+	fn new() -> MainService {
+		// Set up directory relative to executable for the time being
+		let mut exe_path = env::current_exe().unwrap();
+		exe_path.pop();
+		exe_path.push("grin-wallet");
+		MainService {
+			static_: Static::new(exe_path),
+		}
+	}
+}
+
+impl Service for MainService {
+	type ReqBody = Body;
+	type ResBody = Body;
+	type Error = Error;
+	type Future = MainFuture;
+
+	fn call(&mut self, req: Request<Body>) -> MainFuture {
+		if req.uri().path() == "/" {
+			MainFuture::Root
+		} else {
+			MainFuture::Static(self.static_.serve(req))
+		}
+	}
+}
+
+/// Start the webwallet server to serve up static files from the given
+/// directory
+pub fn start_webwallet_server() {
+	let _ = thread::Builder::new()
+		.name("webwallet_server".to_string())
+		.spawn(move || {
+			let addr = ([127, 0, 0, 1], 13421).into();
+			let server = Server::bind(&addr)
+				.serve(|| future::ok::<_, Error>(MainService::new()))
+				.map_err(|e| eprintln!("server error: {}", e));
+			warn!(
+				LOGGER,
+				"Grin Web-Wallet Application is running at http://{}/", addr
+			);
+			rt::run(server);
+		});
+}