// Copyright 2018 The Grin Developers // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. use super::utils::w; use crate::p2p; use crate::p2p::types::{PeerAddr, PeerInfoDisplay, ReasonForBan}; use crate::router::{Handler, ResponseFuture}; use crate::web::*; use hyper::{Body, Request, StatusCode}; use std::sync::Weak; pub struct PeersAllHandler { pub peers: Weak, } impl Handler for PeersAllHandler { fn get(&self, _req: Request) -> ResponseFuture { let peers = &w_fut!(&self.peers).all_peers(); json_response_pretty(&peers) } } pub struct PeersConnectedHandler { pub peers: Weak, } impl Handler for PeersConnectedHandler { fn get(&self, _req: Request) -> ResponseFuture { let peers: Vec = w_fut!(&self.peers) .connected_peers() .iter() .map(|p| p.info.clone().into()) .collect(); json_response(&peers) } } /// Peer operations /// GET /v1/peers/10.12.12.13 /// POST /v1/peers/10.12.12.13/ban /// POST /v1/peers/10.12.12.13/unban pub struct PeerHandler { pub peers: Weak, } impl Handler for PeerHandler { fn get(&self, req: Request) -> ResponseFuture { let command = right_path_element!(req); // We support both "ip" and "ip:port" here for peer_addr. // "ip:port" is only really useful for local usernet testing on loopback address. // Normally we map peers to ip and only allow a single peer per ip address. let peer_addr; if let Ok(ip_addr) = command.parse() { peer_addr = PeerAddr::from_ip(ip_addr); } else if let Ok(addr) = command.parse() { peer_addr = PeerAddr(addr); } else { return response( StatusCode::BAD_REQUEST, format!("peer address unrecognized: {}", req.uri().path()), ); } match w_fut!(&self.peers).get_peer(peer_addr) { Ok(peer) => json_response(&peer), Err(_) => response(StatusCode::NOT_FOUND, "peer not found"), } } fn post(&self, req: Request) -> ResponseFuture { let mut path_elems = req.uri().path().trim_end_matches('/').rsplit('/'); let command = match path_elems.next() { None => return response(StatusCode::BAD_REQUEST, "invalid url"), Some(c) => c, }; let addr = match path_elems.next() { None => return response(StatusCode::BAD_REQUEST, "invalid url"), Some(a) => { if let Ok(ip_addr) = a.parse() { PeerAddr::from_ip(ip_addr) } else if let Ok(addr) = a.parse() { PeerAddr(addr) } else { return response( StatusCode::BAD_REQUEST, format!("invalid peer address: {}", req.uri().path()), ); } } }; match command { "ban" => w_fut!(&self.peers).ban_peer(addr, ReasonForBan::ManualBan), "unban" => w_fut!(&self.peers).unban_peer(addr), _ => return response(StatusCode::BAD_REQUEST, "invalid command"), }; response(StatusCode::OK, "{}") } }