82 lines
2.1 KiB
Go
82 lines
2.1 KiB
Go
// 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 = `<!DOCTYPE html>
|
|
<html>
|
|
<head><title>502 Bad Gateway</title></head>
|
|
<body>
|
|
<center><h1>502 Bad Gateway</h1></center>
|
|
<hr><center>apache</center>
|
|
</body>
|
|
</html>
|
|
<!-- a padding to disable MSIE and Chrome friendly error page -->
|
|
<!-- a padding to disable MSIE and Chrome friendly error page -->
|
|
<!-- a padding to disable MSIE and Chrome friendly error page -->
|
|
<!-- a padding to disable MSIE and Chrome friendly error page -->
|
|
<!-- a padding to disable MSIE and Chrome friendly error page -->
|
|
<!-- a padding to disable MSIE and Chrome friendly error page -->
|
|
`
|
|
)
|
|
|
|
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
|
|
}
|