openethereum/signer/src/ws_server/session.rs

83 lines
2.2 KiB
Rust

// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
//! Session handlers factory.
use ws;
use sysui;
use std::sync::Arc;
use jsonrpc_core::IoHandler;
pub struct Session {
out: ws::Sender,
handler: Arc<IoHandler>,
}
impl ws::Handler for Session {
fn on_request(&mut self, req: &ws::Request) -> ws::Result<(ws::Response)> {
// Detect if it's a websocket request.
if req.header("sec-websocket-key").is_some() {
return ws::Response::from_request(req);
}
// Otherwise try to serve a page.
sysui::handle(req.resource())
.map(|f| {
let content_len = format!("{}", f.content.as_bytes().len());
let mut res = ws::Response::ok(f.content.into());
{
let mut headers = res.headers_mut();
headers.push(("Server".into(), "Parity/SystemUI".as_bytes().to_vec()));
headers.push(("Connection".into(), "Closed".as_bytes().to_vec()));
headers.push(("Content-Length".into(), content_len.as_bytes().to_vec()));
headers.push(("Content-Type".into(), f.mime.as_bytes().to_vec()));
}
Ok(res)
}).unwrap_or_else(|| ws::Response::from_request(req))
}
fn on_message(&mut self, msg: ws::Message) -> ws::Result<()> {
let req = try!(msg.as_text());
match self.handler.handle_request(req) {
Some(res) => self.out.send(res),
None => Ok(()),
}
}
}
pub struct Factory {
handler: Arc<IoHandler>,
}
impl Factory {
pub fn new(handler: Arc<IoHandler>) -> Self {
Factory {
handler: handler,
}
}
}
impl ws::Factory for Factory {
type Handler = Session;
fn connection_made(&mut self, sender: ws::Sender) -> Self::Handler {
Session {
out: sender,
handler: self.handler.clone(),
}
}
}