package endpointproxy import ( "errors" "strconv" "time" httperror "github.com/portainer/libhttp/error" "github.com/portainer/libhttp/request" "github.com/portainer/portainer/api" "net/http" ) func (handler *Handler) proxyRequestsToDockerAPI(w http.ResponseWriter, r *http.Request) *httperror.HandlerError { endpointID, err := request.RetrieveNumericRouteVariableValue(r, "id") if err != nil { return &httperror.HandlerError{http.StatusBadRequest, "Invalid endpoint identifier route variable", err} } endpoint, err := handler.DataStore.Endpoint().Endpoint(portainer.EndpointID(endpointID)) if err == portainer.ErrObjectNotFound { return &httperror.HandlerError{http.StatusNotFound, "Unable to find an endpoint with the specified identifier inside the database", err} } else if err != nil { return &httperror.HandlerError{http.StatusInternalServerError, "Unable to find an endpoint with the specified identifier inside the database", err} } err = handler.requestBouncer.AuthorizedEndpointOperation(r, endpoint, true) if err != nil { return &httperror.HandlerError{http.StatusForbidden, "Permission denied to access endpoint", err} } if endpoint.Type == portainer.EdgeAgentEnvironment { if endpoint.EdgeID == "" { return &httperror.HandlerError{http.StatusInternalServerError, "No Edge agent registered with the endpoint", errors.New("No agent available")} } tunnel := handler.ReverseTunnelService.GetTunnelDetails(endpoint.ID) if tunnel.Status == portainer.EdgeAgentIdle { handler.ProxyManager.DeleteEndpointProxy(endpoint) err := handler.ReverseTunnelService.SetTunnelStatusToRequired(endpoint.ID) if err != nil { return &httperror.HandlerError{http.StatusInternalServerError, "Unable to update tunnel status", err} } settings, err := handler.DataStore.Settings().Settings() if err != nil { return &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve settings from the database", err} } waitForAgentToConnect := time.Duration(settings.EdgeAgentCheckinInterval) * time.Second time.Sleep(waitForAgentToConnect * 2) } } var proxy http.Handler proxy = handler.ProxyManager.GetEndpointProxy(endpoint) if proxy == nil { proxy, err = handler.ProxyManager.CreateAndRegisterEndpointProxy(endpoint) if err != nil { return &httperror.HandlerError{http.StatusInternalServerError, "Unable to create proxy", err} } } id := strconv.Itoa(endpointID) http.StripPrefix("/"+id+"/docker", proxy).ServeHTTP(w, r) return nil }