// Copyright 2017 fatedier, fatedier@gmail.com // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package vhost import ( "bytes" "io/ioutil" "net/http" frpLog "github.com/fatedier/frp/utils/log" "github.com/fatedier/frp/utils/version" ) var ( ServiceUnavailablePagePath = "" ) const ( ServiceUnavailable = ` 503 Service Unavailable

503 Service Unavailable

您访问的网站或服务暂时不可用

如果您是隧道所有者,造成无法访问的原因可能有:

如果您是普通访问者,您可以:

Powered by Sakura Panel | Based on Frp

` ) func getServiceUnavailablePageContent() []byte { var ( buf []byte err error ) if ServiceUnavailablePagePath != "" { buf, err = ioutil.ReadFile(ServiceUnavailablePagePath) if err != nil { frpLog.Warn("read custom 503 page error: %v", err) buf = []byte(ServiceUnavailable) } } else { buf = []byte(ServiceUnavailable) } return buf } func notFoundResponse() *http.Response { header := make(http.Header) header.Set("server", "frp/" + version.Full() + "-sakurapanel") header.Set("Content-Type", "text/html") res := &http.Response{ Status: "Service Unavailable", StatusCode: 503, Proto: "HTTP/1.0", ProtoMajor: 1, ProtoMinor: 0, Header: header, Body: ioutil.NopCloser(bytes.NewReader(getServiceUnavailablePageContent())), } return res } func noAuthResponse() *http.Response { header := make(map[string][]string) header["WWW-Authenticate"] = []string{`Basic realm="Restricted"`} res := &http.Response{ Status: "401 Not authorized", StatusCode: 401, Proto: "HTTP/1.1", ProtoMajor: 1, ProtoMinor: 1, Header: header, } return res }