mirror of https://github.com/Dreamacro/clash.git
129 lines
3.1 KiB
Go
129 lines
3.1 KiB
Go
package route
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"net/http"
|
|
"strconv"
|
|
"time"
|
|
|
|
"github.com/Dreamacro/clash/adapters/outbound"
|
|
"github.com/Dreamacro/clash/adapters/outboundgroup"
|
|
C "github.com/Dreamacro/clash/constant"
|
|
"github.com/Dreamacro/clash/tunnel"
|
|
|
|
"github.com/go-chi/chi"
|
|
"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": proxies,
|
|
})
|
|
}
|
|
|
|
func getProxy(w http.ResponseWriter, r *http.Request) {
|
|
proxy := r.Context().Value(CtxKeyProxy).(C.Proxy)
|
|
render.JSON(w, r, proxy)
|
|
}
|
|
|
|
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).(*outbound.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
|
|
}
|
|
|
|
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": delay,
|
|
})
|
|
}
|