mirror of
https://github.com/awatertrevi/infisical.git
synced 2026-09-22 13:39:35 +00:00
feat: gateway in cli first version\
This commit is contained in:
=
109
cli/packages/gateway/connection.go
Normal file
109
cli/packages/gateway/connection.go
Normal file
@@ -0,0 +1,109 @@
|
||||
package gateway
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"bytes"
|
||||
"fmt"
|
||||
"io"
|
||||
"net"
|
||||
"sync"
|
||||
|
||||
"github.com/rs/zerolog/log"
|
||||
)
|
||||
|
||||
func handleConnection(conn net.Conn) {
|
||||
defer conn.Close()
|
||||
log.Info().Msgf("New connection from: %s", conn.RemoteAddr().String())
|
||||
|
||||
// Use buffered reader for better handling of fragmented data
|
||||
reader := bufio.NewReader(conn)
|
||||
for {
|
||||
msg, err := reader.ReadBytes('\n')
|
||||
if err != nil {
|
||||
log.Error().Msgf("Error reading command: %s", err)
|
||||
return
|
||||
}
|
||||
|
||||
cmd := bytes.ToUpper(bytes.TrimSpace(bytes.Split(msg, []byte(" "))[0]))
|
||||
args := bytes.TrimSpace(bytes.TrimPrefix(msg, cmd))
|
||||
|
||||
switch string(cmd) {
|
||||
case "FORWARD-TCP":
|
||||
proxyAddress := string(bytes.Split(args, []byte(" "))[0])
|
||||
fmt.Println(proxyAddress)
|
||||
destTarget, err := net.Dial("tcp", proxyAddress)
|
||||
fmt.Println(err)
|
||||
if err != nil {
|
||||
log.Error().Msgf("Failed to connect to target: %v", err)
|
||||
return
|
||||
}
|
||||
defer destTarget.Close()
|
||||
|
||||
// Handle buffered data
|
||||
buffered := reader.Buffered()
|
||||
if buffered > 0 {
|
||||
bufferedData := make([]byte, buffered)
|
||||
_, err := reader.Read(bufferedData)
|
||||
if err != nil {
|
||||
log.Error().Msgf("Error reading buffered data: %v", err)
|
||||
return
|
||||
}
|
||||
|
||||
if _, err = destTarget.Write(bufferedData); err != nil {
|
||||
log.Error().Msgf("Error writing buffered data: %v", err)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
CopyData(conn, destTarget)
|
||||
break
|
||||
case "PING":
|
||||
conn.Write([]byte("PONG\n"))
|
||||
default:
|
||||
log.Error().Msgf("Unknown command: %s", string(cmd))
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
type CloseWrite interface {
|
||||
CloseWrite() error
|
||||
}
|
||||
|
||||
func CopyData(src, dst net.Conn) {
|
||||
// Create a WaitGroup to wait for both copy operations
|
||||
var wg sync.WaitGroup
|
||||
wg.Add(2)
|
||||
|
||||
// Start copying in both directions
|
||||
go func() {
|
||||
defer wg.Done()
|
||||
if _, err := io.Copy(dst, src); err != nil {
|
||||
log.Error().Msgf("Error copying postgres->client: %v", err)
|
||||
}
|
||||
|
||||
if e, ok := dst.(CloseWrite); ok {
|
||||
log.Print("Closing dst")
|
||||
e.CloseWrite()
|
||||
} else {
|
||||
|
||||
log.Print("Not closed")
|
||||
}
|
||||
}()
|
||||
|
||||
go func() {
|
||||
defer wg.Done()
|
||||
if _, err := io.Copy(src, dst); err != nil {
|
||||
log.Error().Msgf("Error copying client->postgres: %v", err)
|
||||
}
|
||||
if e, ok := src.(CloseWrite); ok {
|
||||
log.Print("Closing src")
|
||||
e.CloseWrite()
|
||||
} else {
|
||||
log.Print("Not closed")
|
||||
}
|
||||
}()
|
||||
|
||||
// Wait for both copies to complete
|
||||
wg.Wait()
|
||||
}
|
||||
174
cli/packages/gateway/gateway.go
Normal file
174
cli/packages/gateway/gateway.go
Normal file
@@ -0,0 +1,174 @@
|
||||
package gateway
|
||||
|
||||
import (
|
||||
"crypto/tls"
|
||||
"crypto/x509"
|
||||
"fmt"
|
||||
"net"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/Infisical/infisical-merge/packages/api"
|
||||
"github.com/go-resty/resty/v2"
|
||||
"github.com/pion/logging"
|
||||
"github.com/pion/turn/v4"
|
||||
"github.com/rs/zerolog/log"
|
||||
)
|
||||
|
||||
type GatewayConfig struct {
|
||||
TurnServerUsername string
|
||||
TurnServerPassword string
|
||||
TurnServerAddress string
|
||||
InfisicalStaticIp string
|
||||
SerialNumber string
|
||||
PrivateKey string
|
||||
Certificate string
|
||||
CertificateChain string
|
||||
}
|
||||
|
||||
type Gateway struct {
|
||||
httpClient *resty.Client
|
||||
config *GatewayConfig
|
||||
client *turn.Client
|
||||
}
|
||||
|
||||
func NewGateway(identityToken string) (Gateway, error) {
|
||||
httpClient := resty.New()
|
||||
httpClient.SetAuthToken(identityToken)
|
||||
|
||||
return Gateway{
|
||||
httpClient: httpClient,
|
||||
config: &GatewayConfig{},
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (g *Gateway) ConnectWithRelay() error {
|
||||
relayDetails, err := api.CallRegisterGatewayIdentityV1(g.httpClient)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// Dial TURN Server
|
||||
conn, err := net.Dial("tcp", relayDetails.TurnServerAddress)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Failed to connect with relay server: %w", err)
|
||||
}
|
||||
|
||||
if tcpConn, ok := conn.(*net.TCPConn); ok {
|
||||
tcpConn.SetKeepAlive(true)
|
||||
tcpConn.SetKeepAlivePeriod(10 * time.Second)
|
||||
tcpConn.SetNoDelay(true)
|
||||
}
|
||||
|
||||
// Start a new TURN Client and wrap our net.Conn in a STUNConn
|
||||
// This allows us to simulate datagram based communication over a net.Conn
|
||||
cfg := &turn.ClientConfig{
|
||||
STUNServerAddr: relayDetails.TurnServerAddress,
|
||||
TURNServerAddr: relayDetails.TurnServerAddress,
|
||||
Conn: turn.NewSTUNConn(conn),
|
||||
Username: relayDetails.TurnServerUsername,
|
||||
Password: relayDetails.TurnServerPassword,
|
||||
Realm: relayDetails.TurnServerRealm,
|
||||
LoggerFactory: logging.NewDefaultLoggerFactory(),
|
||||
}
|
||||
|
||||
client, err := turn.NewClient(cfg)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Failed to create relay client: %w", err)
|
||||
}
|
||||
|
||||
err = client.Listen()
|
||||
if err != nil {
|
||||
return fmt.Errorf("Failed to listen to relay server: %w", err)
|
||||
}
|
||||
|
||||
g.config = &GatewayConfig{
|
||||
TurnServerUsername: relayDetails.TurnServerUsername,
|
||||
TurnServerPassword: relayDetails.TurnServerPassword,
|
||||
TurnServerAddress: relayDetails.TurnServerAddress,
|
||||
InfisicalStaticIp: relayDetails.InfisicalStaticIp,
|
||||
}
|
||||
// if port not specific allow all port
|
||||
if !strings.Contains(relayDetails.InfisicalStaticIp, ":") {
|
||||
g.config.InfisicalStaticIp = g.config.InfisicalStaticIp + ":0"
|
||||
}
|
||||
|
||||
g.client = client
|
||||
return nil
|
||||
}
|
||||
|
||||
func (g *Gateway) Listen() error {
|
||||
defer g.client.Close()
|
||||
// Allocate a relay socket on the TURN server. On success, it
|
||||
// will return a net.PacketConn which represents the remote
|
||||
// socket.
|
||||
relayNonTlsConn, err := g.client.AllocateTCP()
|
||||
if err != nil {
|
||||
return fmt.Errorf("Failed to allocate relay connection: %w", err)
|
||||
}
|
||||
defer func() {
|
||||
if closeErr := relayNonTlsConn.Close(); closeErr != nil {
|
||||
log.Error().Msgf("Failed to close connection: %s", closeErr)
|
||||
}
|
||||
}()
|
||||
|
||||
peerAddr, err := net.ResolveTCPAddr("tcp", g.config.InfisicalStaticIp)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Failed to parse infisical static ip: %w", err)
|
||||
}
|
||||
gatewayCert, err := api.CallExchangeRelayCertV1(g.httpClient, api.ExchangeRelayCertRequestV1{
|
||||
RelayAddress: relayNonTlsConn.Addr().String(),
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
g.config.SerialNumber = gatewayCert.SerialNumber
|
||||
g.config.PrivateKey = gatewayCert.PrivateKey
|
||||
g.config.Certificate = gatewayCert.Certificate
|
||||
g.config.CertificateChain = gatewayCert.CertificateChain
|
||||
|
||||
go func() {
|
||||
err := relayNonTlsConn.CreatePermissions(peerAddr)
|
||||
if err != nil {
|
||||
log.Error().Msgf("Failed to refresh permission: %s", err)
|
||||
}
|
||||
log.Printf("Created permission for incoming connections")
|
||||
ticker := time.NewTicker(2 * time.Minute) // Refresh before 5-min expiry
|
||||
for range ticker.C {
|
||||
err := relayNonTlsConn.CreatePermissions(peerAddr)
|
||||
if err != nil {
|
||||
log.Error().Msgf("Failed to refresh permission: %s", err)
|
||||
}
|
||||
}
|
||||
}()
|
||||
|
||||
cert, err := tls.X509KeyPair([]byte(gatewayCert.Certificate), []byte(gatewayCert.PrivateKey))
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to parse cert: %s", err)
|
||||
}
|
||||
|
||||
fmt.Println(relayNonTlsConn.Addr().String())
|
||||
caCertPool := x509.NewCertPool()
|
||||
caCertPool.AppendCertsFromPEM([]byte(gatewayCert.CertificateChain))
|
||||
|
||||
relayConn := tls.NewListener(relayNonTlsConn, &tls.Config{
|
||||
Certificates: []tls.Certificate{cert},
|
||||
MinVersion: tls.VersionTLS12,
|
||||
ClientCAs: caCertPool,
|
||||
ClientAuth: tls.RequireAndVerifyClientCert,
|
||||
})
|
||||
|
||||
for {
|
||||
log.Info().Msg("Connector started successfully")
|
||||
// Accept new relay connection
|
||||
conn, err := relayConn.Accept()
|
||||
if err != nil {
|
||||
log.Error().Msgf("Failed to accept connection: %v", err)
|
||||
continue
|
||||
}
|
||||
|
||||
// Handle the connection in a goroutine
|
||||
go handleConnection(conn)
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user