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onion_transport_test.go
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onion_transport_test.go
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package torOnion
import (
"bufio"
"bytes"
"fmt"
"io/ioutil"
"log"
"net"
"os"
"path/filepath"
"strings"
"sync"
"testing"
"golang.org/x/net/proxy"
//tpt "gx/ipfs/QmWzfrG1PUeF8mDpYfNsRL3wh5Rkgnp68LAWUB2bhuDWRL/go-libp2p-transport"
//ma "gx/ipfs/QmYzDkkgAEmrcNzFCiYo6L1dTX4EAG1gZkbtdbd9trL4vd/go-multiaddr"
ma "github.com/multiformats/go-multiaddr"
)
// MortalService can be killed at any time.
type MortalService struct {
network string
address string
connectionCallback func(net.Conn) error
conns []net.Conn
stopping bool
listener net.Listener
waitGroup *sync.WaitGroup
}
// NewMortalService creates a new MortalService
func NewMortalService(network, address string, connectionCallback func(net.Conn) error) *MortalService {
l := MortalService{
network: network,
address: address,
connectionCallback: connectionCallback,
conns: make([]net.Conn, 0, 10),
stopping: false,
waitGroup: &sync.WaitGroup{},
}
return &l
}
// Start the MortalService
func (l *MortalService) Start() error {
var err error
log.Printf("starting listener service %s:%s", l.network, l.address)
if l.network == "unix" {
log.Printf("removing unix socket file %s", l.address)
os.Remove(l.address)
}
l.listener, err = net.Listen(l.network, l.address)
if err != nil {
return err
}
l.waitGroup.Add(1)
go l.acceptLoop()
return nil
}
// Stop will kill our listener and all it's connections
func (l *MortalService) Stop() {
log.Printf("stopping listener service %s:%s", l.network, l.address)
l.stopping = true
if l.listener != nil {
l.listener.Close()
}
l.waitGroup.Wait()
if l.network == "unix" {
log.Printf("removing unix socket file %s", l.address)
os.Remove(l.address)
}
}
func (l *MortalService) acceptLoop() {
defer l.waitGroup.Done()
defer func() {
log.Printf("acceptLoop stopping for listener service %s:%s", l.network, l.address)
for i, conn := range l.conns {
if conn != nil {
log.Printf("Closing connection #%d", i)
conn.Close()
}
}
}()
defer l.listener.Close()
for {
conn, err := l.listener.Accept()
if err != nil {
log.Printf("MortalService connection accept failure: %s\n", err)
if l.stopping {
return
} else {
continue
}
}
l.conns = append(l.conns, conn)
go l.handleConnection(conn, len(l.conns)-1)
}
}
func (l *MortalService) handleConnection(conn net.Conn, id int) error {
defer func() {
log.Printf("Closing connection #%d", id)
conn.Close()
l.conns[id] = nil
}()
log.Printf("Starting connection #%d", id)
if err := l.connectionCallback(conn); err != nil {
// log.Println(err.Error())
return err
}
return nil
}
type AccumulatingListener struct {
net, address string
buffer bytes.Buffer
mortalService *MortalService
hasProtocolInfo bool
hasAuthenticate bool
}
func NewAccumulatingListener(net, address string) *AccumulatingListener {
l := AccumulatingListener{
net: net,
address: address,
hasProtocolInfo: true,
hasAuthenticate: true,
}
return &l
}
func (a *AccumulatingListener) Start() {
a.mortalService = NewMortalService(a.net, a.address, a.SessionWorker)
err := a.mortalService.Start()
if err != nil {
panic(err)
}
}
func (a *AccumulatingListener) Stop() {
fmt.Println("AccumulatingListener STOP")
a.mortalService.Stop()
}
func (a *AccumulatingListener) SessionWorker(conn net.Conn) error {
connReader := bufio.NewReader(conn)
for {
line, err := connReader.ReadBytes('\n')
if err != nil {
//fmt.Println("AccumulatingListener read error:", err)
}
lineStr := strings.TrimSpace(string(line))
a.buffer.WriteString(lineStr + "\n")
if string(lineStr) == "PROTOCOLINFO" {
if a.hasProtocolInfo {
conn.Write([]byte(`250-PROTOCOLINFO 1
250-AUTH METHODS=NULL
250-VERSION Tor="0.2.7.6"
250 OK` + "\n"))
} else {
conn.Write([]byte("510 PROTOCOLINFO denied.\r\n"))
}
} else if string(lineStr) == "AUTHENTICATE" {
if a.hasAuthenticate {
conn.Write([]byte("250 OK\r\n"))
} else {
conn.Write([]byte("510 PROTOCOLINFO denied.\r\n"))
}
} else {
conn.Write([]byte("250 OK\r\n"))
}
}
return nil
}
func TestOnionTransport(t *testing.T) {
fmt.Println("test onion transport")
keysDir, err := ioutil.TempDir("", "keys")
onionKeyPath := filepath.Join(keysDir, "timaq4ygg2iegci7")
onionKey := strings.Repeat("A", 825)
if err := ioutil.WriteFile(onionKeyPath, []byte(onionKey), 0666); err != nil {
t.Error(err)
}
auth := proxy.Auth{
User: "",
Password: "",
}
controlNet := "tcp"
controlAddr := "127.0.0.1:2451"
listener := NewAccumulatingListener(controlNet, controlAddr)
listener.Start()
transport, err := NewOnionTransport(controlNet, controlAddr, &auth, keysDir)
if err != nil {
t.Error(err)
}
multiAddr, err := ma.NewMultiaddr("/onion/timaq4ygg2iegci7:80")
if err != nil {
t.Error(err)
}
//var transportListener tpt.Listener
//transportListener, err = transport.Listen(multiAddr)
_, err = transport.Listen(multiAddr)
if err != nil {
t.Error(err)
}
//fmt.Println("transport listener", transportListener)
fmt.Println("accumulated tor control port data", listener.buffer.String())
}