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