openethereum/dapps/src/handlers/redirect.rs

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// 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/>.
//! HTTP Redirection hyper handler
use hyper::{header, server, Decoder, Encoder, Next};
use hyper::net::HttpStream;
use hyper::status::StatusCode;
#[derive(Clone)]
pub struct Redirection {
to_url: String
}
impl Redirection {
pub fn new(url: &str) -> Self {
Redirection {
to_url: url.to_owned()
}
}
pub fn boxed(url: &str) -> Box<Self> {
Box::new(Self::new(url))
}
}
impl server::Handler<HttpStream> for Redirection {
fn on_request(&mut self, _request: server::Request<HttpStream>) -> Next {
Next::write()
}
fn on_request_readable(&mut self, _decoder: &mut Decoder<HttpStream>) -> Next {
Next::write()
}
fn on_response(&mut self, res: &mut server::Response) -> Next {
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// Don't use `MovedPermanently` here to prevent browser from caching the redirections.
res.set_status(StatusCode::Found);
res.headers_mut().set(header::Location(self.to_url.to_owned()));
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Next::write()
}
fn on_response_writable(&mut self, _encoder: &mut Encoder<HttpStream>) -> Next {
Next::end()
}
}