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102 lines
2.3 KiB
102 lines
2.3 KiB
// Copyright 2017 fatedier, fatedier@gmail.com
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package vhost
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import (
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"bytes"
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"io"
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"net/http"
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"os"
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frpLog "github.com/fatedier/frp/pkg/util/log"
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"github.com/fatedier/frp/pkg/util/version"
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)
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var NotFoundPagePath = ""
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const (
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NotFound = `<!DOCTYPE html>
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<html>
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<head>
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<title>Not Found</title>
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<style>
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body {
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width: 35em;
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margin: 0 auto;
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font-family: Tahoma, Verdana, Arial, sans-serif;
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}
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</style>
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</head>
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<body>
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<h1>The page you requested was not found.</h1>
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<p>Sorry, the page you are looking for is currently unavailable.<br/>
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Please try again later.</p>
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<p>The server is powered by <a href="https://github.com/fatedier/frp">frp</a>.</p>
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<p><em>Faithfully yours, frp.</em></p>
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</body>
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</html>
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`
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)
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func getNotFoundPageContent() []byte {
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var (
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buf []byte
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err error
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)
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if NotFoundPagePath != "" {
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buf, err = os.ReadFile(NotFoundPagePath)
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if err != nil {
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frpLog.Warn("read custom 404 page error: %v", err)
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buf = []byte(NotFound)
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}
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} else {
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buf = []byte(NotFound)
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}
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return buf
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}
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func notFoundResponse() *http.Response {
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header := make(http.Header)
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header.Set("server", "frp/"+version.Full())
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header.Set("Content-Type", "text/html")
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content := getNotFoundPageContent()
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res := &http.Response{
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Status: "Not Found",
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StatusCode: 404,
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Proto: "HTTP/1.1",
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ProtoMajor: 1,
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ProtoMinor: 1,
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Header: header,
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Body: io.NopCloser(bytes.NewReader(content)),
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ContentLength: int64(len(content)),
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}
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return res
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}
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func noAuthResponse() *http.Response {
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header := make(map[string][]string)
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header["WWW-Authenticate"] = []string{`Basic realm="Restricted"`}
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res := &http.Response{
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Status: "401 Not authorized",
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StatusCode: 401,
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Proto: "HTTP/1.1",
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ProtoMajor: 1,
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ProtoMinor: 1,
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Header: header,
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}
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return res
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}
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