openethereum/rpc/src/metadata.rs
Tomasz Drwięga 2df4532d50 Dapps and RPC server merge (#5365)
* Dapps server as a middleware.

* Dapps RPC - Work in Progress

* Merging Dapps and RPC server.

* Fast HTTP server configuration.

* Bump jsonrpc

* Fixing test target

* Re-implementing commented-out tests.
2017-04-03 10:27:37 +02:00

75 lines
2.1 KiB
Rust

// Copyright 2015-2017 Parity Technologies (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/>.
use jsonrpc_core;
use http;
use hyper;
use minihttp;
use HttpMetaExtractor;
pub struct HyperMetaExtractor<T> {
extractor: T,
}
impl<T> HyperMetaExtractor<T> {
pub fn new(extractor: T) -> Self {
HyperMetaExtractor {
extractor: extractor,
}
}
}
impl<M, T> http::MetaExtractor<M> for HyperMetaExtractor<T> where
T: HttpMetaExtractor<Metadata = M>,
M: jsonrpc_core::Metadata,
{
fn read_metadata(&self, req: &hyper::server::Request<hyper::net::HttpStream>) -> M {
let origin = req.headers().get::<hyper::header::Origin>()
.map(|origin| format!("{}://{}", origin.scheme, origin.host))
.unwrap_or_else(|| "unknown".into());
let dapps_origin = req.headers().get_raw("x-parity-origin")
.and_then(|raw| raw.one())
.map(|raw| String::from_utf8_lossy(raw).into_owned());
self.extractor.read_metadata(origin, dapps_origin)
}
}
pub struct MiniMetaExtractor<T> {
extractor: T,
}
impl<T> MiniMetaExtractor<T> {
pub fn new(extractor: T) -> Self {
MiniMetaExtractor {
extractor: extractor,
}
}
}
impl<M, T> minihttp::MetaExtractor<M> for MiniMetaExtractor<T> where
T: HttpMetaExtractor<Metadata = M>,
M: jsonrpc_core::Metadata,
{
fn read_metadata(&self, req: &minihttp::Req) -> M {
let origin = req.header("origin")
.unwrap_or_else(|| "unknown")
.to_owned();
let dapps_origin = req.header("x-parity-origin").map(|h| h.to_owned());
self.extractor.read_metadata(origin, dapps_origin)
}
}