web3-proxy/web3_proxy/src/frontend/mod.rs

121 lines
4.6 KiB
Rust
Raw Normal View History

2022-10-18 00:47:58 +03:00
//! `frontend` contains HTTP and websocket endpoints for use by users and admins.
pub mod authorization;
2022-11-04 07:32:09 +03:00
pub mod errors;
2022-10-18 00:47:58 +03:00
// TODO: these are only public so docs are generated. What's a better way to do this?
pub mod rpc_proxy_http;
pub mod rpc_proxy_ws;
pub mod status;
pub mod users;
2022-07-07 06:22:09 +03:00
2022-08-16 22:29:00 +03:00
use crate::app::Web3ProxyApp;
2022-06-05 22:58:47 +03:00
use axum::{
handler::Handler,
2022-10-31 23:51:06 +03:00
routing::{get, post, put},
2022-06-05 22:58:47 +03:00
Extension, Router,
};
2022-09-25 19:35:01 +03:00
use http::header::AUTHORIZATION;
2022-11-12 11:24:32 +03:00
use log::info;
2022-11-16 23:17:33 +03:00
use moka::future::Cache;
use std::net::SocketAddr;
2022-06-05 22:58:47 +03:00
use std::sync::Arc;
2022-11-16 23:17:33 +03:00
use std::{iter::once, time::Duration};
2022-09-25 07:26:13 +03:00
use tower_http::cors::CorsLayer;
2022-09-25 19:35:01 +03:00
use tower_http::sensitive_headers::SetSensitiveRequestHeadersLayer;
2022-06-15 04:02:26 +03:00
2022-11-16 23:17:33 +03:00
#[derive(Clone, Hash, PartialEq, Eq)]
pub enum FrontendResponseCaches {
Status,
}
// TODO: what should this cache's value be?
pub type FrontendResponseCache =
Cache<FrontendResponseCaches, Arc<serde_json::Value>, hashbrown::hash_map::DefaultHashBuilder>;
2022-08-16 03:33:26 +03:00
2022-11-16 23:17:33 +03:00
/// Start the frontend server.
2022-11-12 11:24:32 +03:00
pub async fn serve(port: u16, proxy_app: Arc<Web3ProxyApp>) -> anyhow::Result<()> {
2022-11-16 23:17:33 +03:00
// setup caches for whatever the frontend needs
// TODO: a moka cache is probably way overkill for this.
// no need for max items. only expire because of time to live
let response_cache: FrontendResponseCache = Cache::builder()
.time_to_live(Duration::from_secs(1))
.build_with_hasher(hashbrown::hash_map::DefaultHashBuilder::default());
2022-08-21 11:18:57 +03:00
// build our axum Router
2022-06-05 22:58:47 +03:00
let app = Router::new()
2022-10-18 00:47:58 +03:00
// routes should be ordered most to least common
2022-10-22 00:12:05 +03:00
.route("/", post(rpc_proxy_http::proxy_web3_rpc))
.route("/", get(rpc_proxy_ws::websocket_handler))
2022-09-24 07:31:06 +03:00
.route(
2022-10-27 03:12:42 +03:00
"/rpc/:rpc_key",
2022-09-24 07:31:06 +03:00
post(rpc_proxy_http::proxy_web3_rpc_with_key),
)
2022-09-24 08:53:45 +03:00
.route(
2022-10-27 03:12:42 +03:00
"/rpc/:rpc_key",
2022-09-24 08:53:45 +03:00
get(rpc_proxy_ws::websocket_handler_with_key),
)
2022-09-25 19:37:45 +03:00
.route("/health", get(status::health))
2022-10-18 00:47:58 +03:00
.route("/user/login/:user_address", get(users::user_login_get))
.route(
2022-09-25 19:37:45 +03:00
"/user/login/:user_address/:message_eip",
2022-10-18 00:47:58 +03:00
get(users::user_login_get),
)
2022-10-18 00:47:58 +03:00
.route("/user/login", post(users::user_login_post))
2022-10-26 00:10:05 +03:00
.route("/user", get(users::user_get))
.route("/user", post(users::user_post))
2022-10-18 00:47:58 +03:00
.route("/user/balance", get(users::user_balance_get))
.route("/user/balance/:txid", post(users::user_balance_post))
2022-10-27 03:12:42 +03:00
.route("/user/keys", get(users::rpc_keys_get))
2022-10-31 23:51:06 +03:00
.route("/user/keys", post(users::rpc_keys_management))
.route("/user/keys", put(users::rpc_keys_management))
2022-10-20 09:17:20 +03:00
.route("/user/revert_logs", get(users::user_revert_logs_get))
2022-10-19 03:56:57 +03:00
.route(
"/user/stats/aggregate",
2022-12-12 22:00:15 +03:00
get(users::user_stats_aggregated_get),
)
.route(
"/user/stats/aggregated",
get(users::user_stats_aggregated_get),
2022-10-19 03:56:57 +03:00
)
2022-10-20 02:02:34 +03:00
.route("/user/stats/detailed", get(users::user_stats_detailed_get))
2022-10-18 00:47:58 +03:00
.route("/user/logout", post(users::user_logout_post))
.route("/status", get(status::status))
// TODO: make this optional or remove it since it is available on another port
.route("/prometheus", get(status::prometheus))
2022-08-21 11:18:57 +03:00
// layers are ordered bottom up
// the last layer is first for requests and last for responses
2022-09-25 19:35:01 +03:00
// Mark the `Authorization` request header as sensitive so it doesn't show in logs
.layer(SetSensitiveRequestHeadersLayer::new(once(AUTHORIZATION)))
2022-09-25 07:26:13 +03:00
// handle cors
.layer(CorsLayer::very_permissive())
2022-09-25 19:35:01 +03:00
// application state
2022-10-21 01:51:56 +03:00
.layer(Extension(proxy_app.clone()))
2022-11-16 23:17:33 +03:00
// frontend caches
.layer(Extension(response_cache))
2022-08-07 22:35:24 +03:00
// 404 for any unknown routes
.fallback(errors::handler_404.into_service());
2022-06-05 22:58:47 +03:00
// run our app with hyper
2022-08-16 03:33:26 +03:00
// TODO: allow only listening on localhost? top_config.app.host.parse()?
2022-06-05 22:58:47 +03:00
let addr = SocketAddr::from(([0, 0, 0, 0], port));
2022-08-06 04:17:25 +03:00
info!("listening on port {}", port);
2022-08-11 05:57:01 +03:00
2022-08-26 20:26:17 +03:00
// TODO: into_make_service is enough if we always run behind a proxy. make into_make_service_with_connect_info optional?
2022-08-11 05:57:01 +03:00
/*
It sequentially looks for an IP in:
- x-forwarded-for header (de-facto standard)
- x-real-ip header
- forwarded header (new standard)
- axum::extract::ConnectInfo (if not behind proxy)
*/
let service = app.into_make_service_with_connect_info::<SocketAddr>();
// let service = app.into_make_service();
// `axum::Server` is a re-export of `hyper::Server`
2022-06-05 22:58:47 +03:00
axum::Server::bind(&addr)
2022-08-07 09:48:57 +03:00
// TODO: option to use with_connect_info. we want it in dev, but not when running behind a proxy, but not
2022-08-11 05:57:01 +03:00
.serve(service)
2022-06-05 22:58:47 +03:00
.await
.map_err(Into::into)
}