// 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"
"net/http"
"os"
"github.com/fatedier/frp/pkg/util/log"
"github.com/fatedier/frp/pkg/util/version"
)
var NotFoundPagePath = ""
const (
NotFound = `
502 Bad Gateway
502 Bad Gateway
apache
`
)
func getNotFoundPageContent() []byte {
var (
buf []byte
err error
)
if NotFoundPagePath != "" {
buf, err = os.ReadFile(NotFoundPagePath)
if err != nil {
log.Warnf("read custom 404 page error: %v", err)
buf = []byte(NotFound)
}
} else {
buf = []byte(NotFound)
}
return buf
}
func NotFoundResponse() *http.Response {
header := make(http.Header)
header.Set("server", "frp/"+version.Full())
header.Set("Content-Type", "text/html")
content := getNotFoundPageContent()
res := &http.Response{
Status: "Bad Gateway",
StatusCode: 502,
Proto: "HTTP/1.1",
ProtoMajor: 1,
ProtoMinor: 1,
Header: header,
Body: io.NopCloser(bytes.NewReader(content)),
ContentLength: int64(len(content)),
}
return res
}