grin/api/src/web.rs
hashmap 972c2e5aa9
Support TLS in ApiServer (#1565)
* Support TLS in ApiServer

This is ground work to support TLS in Grin APIs (like wallet ot node). Particular API implemention needs to decide if TLS is used or not and pass certificate data etc.

* P12 format support
* New method to start TLS server
* Transparent TLS support in API client (depends on URL scheme http/https)
* Refactoring
* Initial support for graceful shutdown (commentred out int this PR, unstable for now)
* API server tests (TLS server test is disabled by default, hyper client rejects self-signed certificates, so extra step is needed to install local CA (I used mkcert)
* Add a cert file to make test complile
2018-09-21 13:33:23 +02:00

83 lines
2.3 KiB
Rust

use futures::future::{err, ok};
use futures::{Future, Stream};
use hyper::{Body, Request, Response, StatusCode};
use rest::*;
use router::ResponseFuture;
use serde::{Deserialize, Serialize};
use serde_json;
use std::fmt::Debug;
/// Parse request body
pub fn parse_body<T>(req: Request<Body>) -> Box<Future<Item = T, Error = Error> + Send>
where
for<'de> T: Deserialize<'de> + Send + 'static,
{
Box::new(
req.into_body()
.concat2()
.map_err(|e| ErrorKind::RequestError(format!("Failed to read request: {}", e)).into())
.and_then(|body| match serde_json::from_reader(&body.to_vec()[..]) {
Ok(obj) => ok(obj),
Err(e) => {
err(ErrorKind::RequestError(format!("Invalid request body: {}", e)).into())
}
}),
)
}
/// Convert Result to ResponseFuture
pub fn result_to_response<T>(res: Result<T, Error>) -> ResponseFuture
where
T: Serialize,
{
match res {
Ok(s) => json_response_pretty(&s),
Err(e) => match e.kind() {
ErrorKind::Argument(msg) => response(StatusCode::BAD_REQUEST, msg.clone()),
ErrorKind::RequestError(msg) => response(StatusCode::BAD_REQUEST, msg.clone()),
ErrorKind::NotFound => response(StatusCode::NOT_FOUND, ""),
ErrorKind::Internal(msg) => response(StatusCode::INTERNAL_SERVER_ERROR, msg.clone()),
ErrorKind::ResponseError(msg) => {
response(StatusCode::INTERNAL_SERVER_ERROR, msg.clone())
}
},
}
}
/// Utility to serialize a struct into JSON and produce a sensible Response
/// out of it.
pub fn json_response<T>(s: &T) -> ResponseFuture
where
T: Serialize,
{
match serde_json::to_string(s) {
Ok(json) => response(StatusCode::OK, json),
Err(_) => response(StatusCode::INTERNAL_SERVER_ERROR, ""),
}
}
/// Pretty-printed version of json response as future
pub fn json_response_pretty<T>(s: &T) -> ResponseFuture
where
T: Serialize,
{
match serde_json::to_string_pretty(s) {
Ok(json) => response(StatusCode::OK, json),
Err(e) => response(
StatusCode::INTERNAL_SERVER_ERROR,
format!("can't create json response: {}", e),
),
}
}
/// Text response as HTTP response
pub fn just_response<T: Into<Body> + Debug>(status: StatusCode, text: T) -> Response<Body> {
let mut resp = Response::new(text.into());
*resp.status_mut() = status;
resp
}
/// Text response as future
pub fn response<T: Into<Body> + Debug>(status: StatusCode, text: T) -> ResponseFuture {
Box::new(ok(just_response(status, text)))
}