// 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"
frpLog "github.com/fatedier/frp/pkg/util/log"
"github.com/fatedier/frp/pkg/util/version"
)
var NotFoundPagePath = ""
const (
NotFound = `
Not Found
The page you requested was not found.
Sorry, the page you are looking for is currently unavailable.
Please try again later.
The server is powered by frp.
Faithfully yours, frp.
`
)
func getNotFoundPageContent() []byte {
var (
buf []byte
err error
)
if NotFoundPagePath != "" {
buf, err = os.ReadFile(NotFoundPagePath)
if err != nil {
frpLog.Warn("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: "Not Found",
StatusCode: 404,
Proto: "HTTP/1.1",
ProtoMajor: 1,
ProtoMinor: 1,
Header: header,
Body: io.NopCloser(bytes.NewReader(content)),
ContentLength: int64(len(content)),
}
return res
}