2016-05-27 17:46:15 +02:00
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// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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//! Session handlers factory.
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use ws;
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2016-05-31 20:12:47 +02:00
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use sysui;
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2016-05-27 17:46:15 +02:00
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use std::sync::Arc;
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use jsonrpc_core::IoHandler;
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pub struct Session {
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out: ws::Sender,
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handler: Arc<IoHandler>,
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}
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impl ws::Handler for Session {
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2016-05-31 20:12:47 +02:00
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fn on_request(&mut self, req: &ws::Request) -> ws::Result<(ws::Response)> {
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// Detect if it's a websocket request.
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if req.header("sec-websocket-key").is_some() {
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return ws::Response::from_request(req);
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}
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// Otherwise try to serve a page.
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sysui::handle(req.resource())
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2016-05-31 20:21:46 +02:00
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.map_or_else(
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// return error
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|| ws::Response::from_request(req),
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// or serve the file
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|f| {
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let content_len = format!("{}", f.content.as_bytes().len());
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let mut res = ws::Response::ok(f.content.into());
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{
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let mut headers = res.headers_mut();
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headers.push(("Server".into(), b"Parity/SystemUI".to_vec()));
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headers.push(("Connection".into(), b"Closed".to_vec()));
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headers.push(("Content-Length".into(), content_len.as_bytes().to_vec()));
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headers.push(("Content-Type".into(), f.mime.as_bytes().to_vec()));
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2016-06-02 17:14:15 +02:00
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if !f.safe_to_embed {
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headers.push(("X-Frame-Options".into(), b"SAMEORIGIN".to_vec()));
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}
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2016-05-31 20:21:46 +02:00
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}
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Ok(res)
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})
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2016-05-31 20:12:47 +02:00
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}
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2016-05-27 17:46:15 +02:00
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fn on_message(&mut self, msg: ws::Message) -> ws::Result<()> {
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let req = try!(msg.as_text());
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match self.handler.handle_request(req) {
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Some(res) => self.out.send(res),
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None => Ok(()),
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}
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}
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}
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pub struct Factory {
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handler: Arc<IoHandler>,
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}
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impl Factory {
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pub fn new(handler: Arc<IoHandler>) -> Self {
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Factory {
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handler: handler,
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}
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}
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}
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impl ws::Factory for Factory {
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type Handler = Session;
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fn connection_made(&mut self, sender: ws::Sender) -> Self::Handler {
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Session {
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out: sender,
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handler: self.handler.clone(),
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}
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}
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}
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