openethereum/rpc/src/http_common.rs
Tomasz Drwięga cbcc369a2d UI server refactoring (#5580)
* Full API in Authenticated WS server.

* Replacing UI server with Hyper.

* Solving CLI, RPCs and tests.

* Porting signer tests.

* Fixing origin recognition for dapps/rpc.

* Fixing tests. Adding parity-rpc-client to test.

* Dapps exposed as RPC method.

* JS code to support new connection scheme.

* Fixing dapps tests.

* Updating allowed origins/hosts to support web3.site.

* Fixing tests, fixing UI.

* Fixing tests.

* Removing invalid tests.

* Fixing merge.

* 404 fallback for UI

* Improve ContentFetcher constructor readability.

* Naming.

* Update .gitlab-ci.yml

fix CI lint error

* Fixing tests and linting issues.

* Fixing new tests.

* UI hosts.

* Submodules fix.
2017-05-24 12:24:07 +02:00

84 lines
2.6 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/>.
//! Transport-specific metadata extractors.
use jsonrpc_core;
use http;
use hyper;
use minihttp;
/// HTTP RPC server impl-independent metadata extractor
pub trait HttpMetaExtractor: Send + Sync + 'static {
/// Type of Metadata
type Metadata: jsonrpc_core::Metadata;
/// Extracts metadata from given params.
fn read_metadata(&self, origin: Option<String>, user_agent: Option<String>, dapps_origin: Option<String>) -> Self::Metadata;
}
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 as_string = |header: Option<&http::request_response::header::Raw>| header
.and_then(|raw| raw.one())
.map(|raw| String::from_utf8_lossy(raw).into_owned());
let origin = as_string(req.headers().get_raw("origin"));
let user_agent = as_string(req.headers().get_raw("user-agent"));
let dapps_origin = as_string(req.headers().get_raw("x-parity-origin"));
self.extractor.read_metadata(origin, user_agent, 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").map(|h| h.to_owned());
let user_agent = req.header("user-agent").map(|h| h.to_owned());
let dapps_origin = req.header("x-parity-origin").map(|h| h.to_owned());
self.extractor.read_metadata(origin, user_agent, dapps_origin)
}
}