sing-box/experimental/clashapi/proxies.go

package clashapi

import (
	"context"
	"net/http"

	"github.com/go-chi/chi/v5"
	"github.com/go-chi/render"
)

func proxyRouter() http.Handler {
	r := chi.NewRouter()
	r.Get("/", getProxies)

	r.Route("/{name}", func(r chi.Router) {
		r.Use(parseProxyName, findProxyByName)
		r.Get("/", getProxy)
		r.Get("/delay", getProxyDelay)
		r.Put("/", updateProxy)
	})
	return r
}

func parseProxyName(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		name := getEscapeParam(r, "name")
		ctx := context.WithValue(r.Context(), CtxKeyProxyName, name)
		next.ServeHTTP(w, r.WithContext(ctx))
	})
}

func findProxyByName(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		/*name := r.Context().Value(CtxKeyProxyName).(string)
		proxies := tunnel.Proxies()
		proxy, exist := proxies[name]
		if !exist {*/
		render.Status(r, http.StatusNotFound)
		render.JSON(w, r, ErrNotFound)
		return
		//}

		// ctx := context.WithValue(r.Context(), CtxKeyProxy, proxy)
		// next.ServeHTTP(w, r.WithContext(ctx))
	})
}

func getProxies(w http.ResponseWriter, r *http.Request) {
	// proxies := tunnel.Proxies()
	render.JSON(w, r, render.M{
		"proxies": []string{},
	})
}

func getProxy(w http.ResponseWriter, r *http.Request) {
	/*	proxy := r.Context().Value(CtxKeyProxy).(C.Proxy)
		render.JSON(w, r, proxy)*/
	render.Status(r, http.StatusServiceUnavailable)
}

type UpdateProxyRequest struct {
	Name string `json:"name"`
}

func updateProxy(w http.ResponseWriter, r *http.Request) {
	/*	req := UpdateProxyRequest{}
		if err := render.DecodeJSON(r.Body, &req); err != nil {
			render.Status(r, http.StatusBadRequest)
			render.JSON(w, r, ErrBadRequest)
			return
		}

		proxy := r.Context().Value(CtxKeyProxy).(*adapter.Proxy)
		selector, ok := proxy.ProxyAdapter.(*outboundgroup.Selector)
		if !ok {
			render.Status(r, http.StatusBadRequest)
			render.JSON(w, r, newError("Must be a Selector"))
			return
		}

		if err := selector.Set(req.Name); err != nil {
			render.Status(r, http.StatusBadRequest)
			render.JSON(w, r, newError(fmt.Sprintf("Selector update error: %s", err.Error())))
			return
		}

		cachefile.Cache().SetSelected(proxy.Name(), req.Name)*/
	render.NoContent(w, r)
}

func getProxyDelay(w http.ResponseWriter, r *http.Request) {
	/*	query := r.URL.Query()
		url := query.Get("url")
		timeout, err := strconv.ParseInt(query.Get("timeout"), 10, 16)
		if err != nil {
			render.Status(r, http.StatusBadRequest)
			render.JSON(w, r, ErrBadRequest)
			return
		}

		proxy := r.Context().Value(CtxKeyProxy).(C.Proxy)

		ctx, cancel := context.WithTimeout(context.Background(), time.Millisecond*time.Duration(timeout))
		defer cancel()

		delay, err := proxy.URLTest(ctx, url)
		if ctx.Err() != nil {
			render.Status(r, http.StatusGatewayTimeout)
			render.JSON(w, r, ErrRequestTimeout)
			return
		}

		if err != nil || delay == 0 {
			render.Status(r, http.StatusServiceUnavailable)
			render.JSON(w, r, newError("An error occurred in the delay test"))
			return
		}
	*/
	render.JSON(w, r, render.M{
		"delay": 114514,
	})
}