2018-11-21 13:47:46 +08:00
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package route
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import (
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"context"
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"fmt"
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"net/http"
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"strconv"
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"time"
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2023-11-03 21:01:45 +08:00
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"github.com/metacubex/mihomo/adapter"
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"github.com/metacubex/mihomo/adapter/outboundgroup"
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"github.com/metacubex/mihomo/common/utils"
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"github.com/metacubex/mihomo/component/profile/cachefile"
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C "github.com/metacubex/mihomo/constant"
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"github.com/metacubex/mihomo/tunnel"
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2018-11-21 13:47:46 +08:00
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2021-04-03 14:59:03 +08:00
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"github.com/go-chi/chi/v5"
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2018-11-21 13:47:46 +08:00
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"github.com/go-chi/render"
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)
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2021-11-16 20:08:52 +08:00
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var (
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SwitchProxiesCallback func(sGroup string, sProxy string)
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)
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2018-11-21 13:47:46 +08:00
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func proxyRouter() http.Handler {
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r := chi.NewRouter()
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r.Get("/", getProxies)
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r.Route("/{name}", func(r chi.Router) {
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r.Use(parseProxyName, findProxyByName)
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r.Get("/", getProxy)
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r.Get("/delay", getProxyDelay)
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r.Put("/", updateProxy)
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})
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return r
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}
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func parseProxyName(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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2019-12-11 17:31:15 +08:00
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name := getEscapeParam(r, "name")
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2018-11-21 13:47:46 +08:00
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ctx := context.WithValue(r.Context(), CtxKeyProxyName, name)
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next.ServeHTTP(w, r.WithContext(ctx))
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})
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}
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func findProxyByName(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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name := r.Context().Value(CtxKeyProxyName).(string)
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2023-09-24 15:39:14 +08:00
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proxies := tunnel.ProxiesWithProviders()
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2018-11-21 13:47:46 +08:00
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proxy, exist := proxies[name]
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if !exist {
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2018-12-10 11:33:37 +08:00
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render.Status(r, http.StatusNotFound)
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render.JSON(w, r, ErrNotFound)
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2018-11-21 13:47:46 +08:00
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return
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}
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ctx := context.WithValue(r.Context(), CtxKeyProxy, proxy)
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next.ServeHTTP(w, r.WithContext(ctx))
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})
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}
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func getProxies(w http.ResponseWriter, r *http.Request) {
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2023-09-24 15:39:14 +08:00
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proxies := tunnel.ProxiesWithProviders()
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2019-02-13 23:45:43 +08:00
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render.JSON(w, r, render.M{
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2018-11-21 13:47:46 +08:00
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"proxies": proxies,
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})
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}
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func getProxy(w http.ResponseWriter, r *http.Request) {
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proxy := r.Context().Value(CtxKeyProxy).(C.Proxy)
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2018-12-10 11:33:37 +08:00
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render.JSON(w, r, proxy)
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2018-11-21 13:47:46 +08:00
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}
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func updateProxy(w http.ResponseWriter, r *http.Request) {
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2023-01-16 15:20:39 +08:00
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req := struct {
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Name string `json:"name"`
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}{}
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2018-11-21 13:47:46 +08:00
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if err := render.DecodeJSON(r.Body, &req); err != nil {
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2018-12-10 11:33:37 +08:00
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render.Status(r, http.StatusBadRequest)
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render.JSON(w, r, ErrBadRequest)
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2018-11-21 13:47:46 +08:00
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return
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}
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2021-06-10 14:05:56 +08:00
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proxy := r.Context().Value(CtxKeyProxy).(*adapter.Proxy)
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2022-05-23 00:40:27 +08:00
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selector, ok := proxy.ProxyAdapter.(outboundgroup.SelectAble)
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2018-11-21 13:47:46 +08:00
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if !ok {
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2018-12-10 11:33:37 +08:00
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render.Status(r, http.StatusBadRequest)
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2019-03-16 00:43:16 +08:00
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render.JSON(w, r, newError("Must be a Selector"))
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2018-11-21 13:47:46 +08:00
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return
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}
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if err := selector.Set(req.Name); err != nil {
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2018-12-10 11:33:37 +08:00
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render.Status(r, http.StatusBadRequest)
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render.JSON(w, r, newError(fmt.Sprintf("Selector update error: %s", err.Error())))
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2018-11-21 13:47:46 +08:00
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return
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}
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2021-02-18 23:41:50 +08:00
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cachefile.Cache().SetSelected(proxy.Name(), req.Name)
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2021-11-21 16:57:22 +08:00
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if SwitchProxiesCallback != nil {
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// refresh tray menu
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go SwitchProxiesCallback(proxy.Name(), req.Name)
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}
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2018-12-10 11:33:37 +08:00
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render.NoContent(w, r)
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2018-11-21 13:47:46 +08:00
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}
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func getProxyDelay(w http.ResponseWriter, r *http.Request) {
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query := r.URL.Query()
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url := query.Get("url")
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timeout, err := strconv.ParseInt(query.Get("timeout"), 10, 16)
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if err != nil {
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2018-12-10 11:33:37 +08:00
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render.Status(r, http.StatusBadRequest)
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render.JSON(w, r, ErrBadRequest)
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2018-11-21 13:47:46 +08:00
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return
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}
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2023-06-04 11:51:30 +08:00
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expectedStatus, err := utils.NewIntRanges[uint16](query.Get("expected"))
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if err != nil {
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render.Status(r, http.StatusBadRequest)
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render.JSON(w, r, ErrBadRequest)
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return
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}
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2018-11-21 13:47:46 +08:00
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proxy := r.Context().Value(CtxKeyProxy).(C.Proxy)
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2019-10-12 23:29:00 +08:00
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ctx, cancel := context.WithTimeout(context.Background(), time.Millisecond*time.Duration(timeout))
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2019-07-02 19:18:03 +08:00
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defer cancel()
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2018-11-21 13:47:46 +08:00
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2023-06-07 13:20:45 +08:00
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delay, err := proxy.URLTest(ctx, url, expectedStatus, C.ExtraHistory)
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2019-10-12 23:29:00 +08:00
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if ctx.Err() != nil {
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2019-09-08 22:33:52 +08:00
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render.Status(r, http.StatusGatewayTimeout)
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2018-12-10 11:33:37 +08:00
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render.JSON(w, r, ErrRequestTimeout)
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2019-07-02 19:18:03 +08:00
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return
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}
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2019-10-12 23:29:00 +08:00
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if err != nil || delay == 0 {
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2019-07-02 19:18:03 +08:00
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render.Status(r, http.StatusServiceUnavailable)
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2023-06-04 11:51:30 +08:00
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if err != nil && delay != 0 {
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render.JSON(w, r, err)
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} else {
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render.JSON(w, r, newError("An error occurred in the delay test"))
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}
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2019-07-02 19:18:03 +08:00
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return
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2018-11-21 13:47:46 +08:00
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}
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2019-07-02 19:18:03 +08:00
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render.JSON(w, r, render.M{
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"delay": delay,
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})
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2018-11-21 13:47:46 +08:00
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}
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