libs5-go/service/http.go

121 lines
2.5 KiB
Go

package service
import (
"git.lumeweb.com/LumeWeb/libs5-go/build"
"git.lumeweb.com/LumeWeb/libs5-go/net"
"github.com/julienschmidt/httprouter"
"go.sia.tech/jape"
"go.uber.org/zap"
"net/url"
"nhooyr.io/websocket"
)
var _ Service = (*HTTPService)(nil)
type P2PNodesResponse struct {
Nodes []P2PNodeResponse `json:"nodes"`
}
type P2PNodeResponse struct {
Id string `json:"id"`
Uris []string `json:"uris"`
}
type HTTPService struct {
ServiceBase
}
func NewHTTP(params ServiceParams) *HTTPService {
return &HTTPService{
ServiceBase: ServiceBase{
logger: params.Logger,
config: params.Config,
db: params.Db,
},
}
}
func (h *HTTPService) GetHttpRouter(inject map[string]jape.Handler) *httprouter.Router {
routes := map[string]jape.Handler{
"GET /s5/version": h.versionHandler,
"GET /s5/p2p": h.p2pHandler,
"GET /s5/p2p/nodes": h.p2pNodesHandler,
}
for k, v := range inject {
routes[k] = v
}
return jape.Mux(routes)
}
func (h *HTTPService) Start() error {
return nil
}
func (h *HTTPService) Stop() error {
return nil
}
func (h *HTTPService) Init() error {
return nil
}
func (h *HTTPService) versionHandler(ctx jape.Context) {
_, _ = ctx.ResponseWriter.Write([]byte(build.Version))
}
func (h *HTTPService) p2pHandler(ctx jape.Context) {
c, err := websocket.Accept(ctx.ResponseWriter, ctx.Request, nil)
if err != nil {
h.logger.Error("error accepting websocket connection", zap.Error(err))
return
}
peer, err := net.CreateTransportPeer("wss", &net.TransportPeerConfig{
Socket: c,
Uris: []*url.URL{},
})
if err != nil {
h.logger.Error("error creating transport peer", zap.Error(err))
err := c.Close(websocket.StatusInternalError, "the sky is falling")
if err != nil {
h.logger.Error("error closing websocket connection", zap.Error(err))
}
return
}
h.services.P2P().ConnectionTracker().Add(1)
go func() {
err := h.services.P2P().OnNewPeer(peer, false)
if err != nil {
h.logger.Error("error handling new peer", zap.Error(err))
}
h.services.P2P().ConnectionTracker().Done()
}()
}
func (h *HTTPService) p2pNodesHandler(ctx jape.Context) {
localId, err := h.services.P2P().NodeId().ToString()
if ctx.Check("error getting local node id", err) != nil {
return
}
uris := h.services.P2P().SelfConnectionUris()
nodeList := make([]P2PNodeResponse, len(uris))
for i, uri := range uris {
nodeList[i] = P2PNodeResponse{
Id: localId,
Uris: []string{uri.String()},
}
}
ctx.Encode(P2PNodesResponse{
Nodes: nodeList,
})
}