Files
frp/pkg/plugin/client/http_proxy_test.go

108 lines
2.5 KiB
Go

// Copyright 2026 The frp Authors
//
// 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.
//go:build !frps
package client
import (
"bufio"
"context"
"fmt"
"io"
"net"
"testing"
"time"
"github.com/stretchr/testify/require"
v1 "github.com/fatedier/frp/pkg/config/v1"
)
func TestHTTPProxyHandleFragmentedConnectMethod(t *testing.T) {
require := require.New(t)
ln, err := net.Listen("tcp", "127.0.0.1:0")
require.NoError(err)
defer ln.Close()
const payload = "ping"
echoErr := make(chan error, 1)
go func() {
conn, err := ln.Accept()
if err != nil {
echoErr <- err
return
}
defer conn.Close()
buf := make([]byte, len(payload))
if _, err = io.ReadFull(conn, buf); err != nil {
echoErr <- err
return
}
if string(buf) != payload {
echoErr <- fmt.Errorf("unexpected payload %q", string(buf))
return
}
_, err = conn.Write([]byte("echo:" + payload))
echoErr <- err
}()
hp := &HTTPProxy{
opts: &v1.HTTPProxyPluginOptions{},
l: NewProxyListener(),
}
clientConn, serverConn := net.Pipe()
defer clientConn.Close()
go hp.Handle(context.Background(), &ConnectionInfo{
Conn: serverConn,
UnderlyingConn: serverConn,
})
require.NoError(clientConn.SetDeadline(time.Now().Add(5 * time.Second)))
targetAddr := ln.Addr().String()
req := "CONNECT " + targetAddr + " HTTP/1.1\r\nHost: " + targetAddr + "\r\n\r\n"
_, err = clientConn.Write([]byte("CON"))
require.NoError(err)
_, err = clientConn.Write([]byte(req[len("CON"):]))
require.NoError(err)
rd := bufio.NewReader(clientConn)
status, err := rd.ReadString('\n')
require.NoError(err)
require.Equal("HTTP/1.1 200 OK\r\n", status)
line, err := rd.ReadString('\n')
require.NoError(err)
require.Equal("\r\n", line)
_, err = clientConn.Write([]byte(payload))
require.NoError(err)
got := make([]byte, len("echo:"+payload))
_, err = io.ReadFull(rd, got)
require.NoError(err)
require.Equal("echo:"+payload, string(got))
select {
case err := <-echoErr:
require.NoError(err)
case <-time.After(time.Second):
t.Fatal("timed out waiting for echo server")
}
}