traefik/integration/websocket_test.go
2020-10-09 09:32:03 +02:00

556 lines
14 KiB
Go

package integration
import (
"crypto/tls"
"crypto/x509"
"encoding/base64"
"io/ioutil"
"net"
"net/http"
"net/http/httptest"
"os"
"time"
"github.com/go-check/check"
gorillawebsocket "github.com/gorilla/websocket"
"github.com/traefik/traefik/v2/integration/try"
checker "github.com/vdemeester/shakers"
"golang.org/x/net/websocket"
)
// WebsocketSuite tests suite.
type WebsocketSuite struct{ BaseSuite }
func (s *WebsocketSuite) TestBase(c *check.C) {
upgrader := gorillawebsocket.Upgrader{} // use default options
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
c, err := upgrader.Upgrade(w, r, nil)
if err != nil {
return
}
defer c.Close()
for {
mt, message, err := c.ReadMessage()
if err != nil {
break
}
err = c.WriteMessage(mt, message)
if err != nil {
break
}
}
}))
file := s.adaptFile(c, "fixtures/websocket/config.toml", struct {
WebsocketServer string
}{
WebsocketServer: srv.URL,
})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file), "--log.level=DEBUG")
defer display(c)
err := cmd.Start()
c.Assert(err, check.IsNil)
defer s.killCmd(cmd)
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 10*time.Second, try.BodyContains("127.0.0.1"))
c.Assert(err, checker.IsNil)
conn, _, err := gorillawebsocket.DefaultDialer.Dial("ws://127.0.0.1:8000/ws", nil)
c.Assert(err, checker.IsNil)
err = conn.WriteMessage(gorillawebsocket.TextMessage, []byte("OK"))
c.Assert(err, checker.IsNil)
_, msg, err := conn.ReadMessage()
c.Assert(err, checker.IsNil)
c.Assert(string(msg), checker.Equals, "OK")
}
func (s *WebsocketSuite) TestWrongOrigin(c *check.C) {
upgrader := gorillawebsocket.Upgrader{} // use default options
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
c, err := upgrader.Upgrade(w, r, nil)
if err != nil {
return
}
defer c.Close()
for {
mt, message, err := c.ReadMessage()
if err != nil {
break
}
err = c.WriteMessage(mt, message)
if err != nil {
break
}
}
}))
file := s.adaptFile(c, "fixtures/websocket/config.toml", struct {
WebsocketServer string
}{
WebsocketServer: srv.URL,
})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file), "--log.level=DEBUG")
defer display(c)
err := cmd.Start()
c.Assert(err, check.IsNil)
defer s.killCmd(cmd)
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 10*time.Second, try.BodyContains("127.0.0.1"))
c.Assert(err, checker.IsNil)
config, err := websocket.NewConfig("ws://127.0.0.1:8000/ws", "ws://127.0.0.1:800")
c.Assert(err, check.IsNil)
conn, err := net.DialTimeout("tcp", "127.0.0.1:8000", time.Second)
c.Assert(err, checker.IsNil)
_, err = websocket.NewClient(config, conn)
c.Assert(err, checker.NotNil)
c.Assert(err, checker.ErrorMatches, "bad status")
}
func (s *WebsocketSuite) TestOrigin(c *check.C) {
// use default options
upgrader := gorillawebsocket.Upgrader{}
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
c, err := upgrader.Upgrade(w, r, nil)
if err != nil {
return
}
defer c.Close()
for {
mt, message, err := c.ReadMessage()
if err != nil {
break
}
err = c.WriteMessage(mt, message)
if err != nil {
break
}
}
}))
file := s.adaptFile(c, "fixtures/websocket/config.toml", struct {
WebsocketServer string
}{
WebsocketServer: srv.URL,
})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file), "--log.level=DEBUG")
defer display(c)
err := cmd.Start()
c.Assert(err, check.IsNil)
defer s.killCmd(cmd)
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 10*time.Second, try.BodyContains("127.0.0.1"))
c.Assert(err, checker.IsNil)
config, err := websocket.NewConfig("ws://127.0.0.1:8000/ws", "ws://127.0.0.1:8000")
c.Assert(err, check.IsNil)
conn, err := net.DialTimeout("tcp", "127.0.0.1:8000", time.Second)
c.Assert(err, check.IsNil)
client, err := websocket.NewClient(config, conn)
c.Assert(err, checker.IsNil)
n, err := client.Write([]byte("OK"))
c.Assert(err, checker.IsNil)
c.Assert(n, checker.Equals, 2)
msg := make([]byte, 2)
n, err = client.Read(msg)
c.Assert(err, checker.IsNil)
c.Assert(n, checker.Equals, 2)
c.Assert(string(msg), checker.Equals, "OK")
}
func (s *WebsocketSuite) TestWrongOriginIgnoredByServer(c *check.C) {
upgrader := gorillawebsocket.Upgrader{CheckOrigin: func(r *http.Request) bool {
return true
}}
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
c, err := upgrader.Upgrade(w, r, nil)
if err != nil {
return
}
defer c.Close()
for {
mt, message, err := c.ReadMessage()
if err != nil {
break
}
err = c.WriteMessage(mt, message)
if err != nil {
break
}
}
}))
file := s.adaptFile(c, "fixtures/websocket/config.toml", struct {
WebsocketServer string
}{
WebsocketServer: srv.URL,
})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file), "--log.level=DEBUG")
defer display(c)
err := cmd.Start()
c.Assert(err, check.IsNil)
defer s.killCmd(cmd)
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 10*time.Second, try.BodyContains("127.0.0.1"))
c.Assert(err, checker.IsNil)
config, err := websocket.NewConfig("ws://127.0.0.1:8000/ws", "ws://127.0.0.1:80")
c.Assert(err, check.IsNil)
conn, err := net.DialTimeout("tcp", "127.0.0.1:8000", time.Second)
c.Assert(err, checker.IsNil)
client, err := websocket.NewClient(config, conn)
c.Assert(err, checker.IsNil)
n, err := client.Write([]byte("OK"))
c.Assert(err, checker.IsNil)
c.Assert(n, checker.Equals, 2)
msg := make([]byte, 2)
n, err = client.Read(msg)
c.Assert(err, checker.IsNil)
c.Assert(n, checker.Equals, 2)
c.Assert(string(msg), checker.Equals, "OK")
}
func (s *WebsocketSuite) TestSSLTermination(c *check.C) {
upgrader := gorillawebsocket.Upgrader{} // use default options
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
c, err := upgrader.Upgrade(w, r, nil)
if err != nil {
return
}
defer c.Close()
for {
mt, message, err := c.ReadMessage()
if err != nil {
break
}
err = c.WriteMessage(mt, message)
if err != nil {
break
}
}
}))
file := s.adaptFile(c, "fixtures/websocket/config_https.toml", struct {
WebsocketServer string
}{
WebsocketServer: srv.URL,
})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file), "--log.level=DEBUG")
defer display(c)
err := cmd.Start()
c.Assert(err, check.IsNil)
defer s.killCmd(cmd)
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 10*time.Second, try.BodyContains("127.0.0.1"))
c.Assert(err, checker.IsNil)
// Add client self-signed cert
roots := x509.NewCertPool()
certContent, err := ioutil.ReadFile("./resources/tls/local.cert")
c.Assert(err, checker.IsNil)
roots.AppendCertsFromPEM(certContent)
gorillawebsocket.DefaultDialer.TLSClientConfig = &tls.Config{
RootCAs: roots,
}
conn, _, err := gorillawebsocket.DefaultDialer.Dial("wss://127.0.0.1:8000/ws", nil)
c.Assert(err, checker.IsNil)
err = conn.WriteMessage(gorillawebsocket.TextMessage, []byte("OK"))
c.Assert(err, checker.IsNil)
_, msg, err := conn.ReadMessage()
c.Assert(err, checker.IsNil)
c.Assert(string(msg), checker.Equals, "OK")
}
func (s *WebsocketSuite) TestBasicAuth(c *check.C) {
upgrader := gorillawebsocket.Upgrader{} // use default options
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
conn, err := upgrader.Upgrade(w, r, nil)
if err != nil {
return
}
defer conn.Close()
user, password, _ := r.BasicAuth()
c.Assert(user, check.Equals, "traefiker")
c.Assert(password, check.Equals, "secret")
for {
mt, message, err := conn.ReadMessage()
if err != nil {
break
}
err = conn.WriteMessage(mt, message)
if err != nil {
break
}
}
}))
file := s.adaptFile(c, "fixtures/websocket/config.toml", struct {
WebsocketServer string
}{
WebsocketServer: srv.URL,
})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file), "--log.level=DEBUG")
defer display(c)
err := cmd.Start()
c.Assert(err, check.IsNil)
defer s.killCmd(cmd)
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 10*time.Second, try.BodyContains("127.0.0.1"))
c.Assert(err, checker.IsNil)
config, err := websocket.NewConfig("ws://127.0.0.1:8000/ws", "ws://127.0.0.1:8000")
auth := "traefiker:secret"
config.Header.Set("Authorization", "Basic "+base64.StdEncoding.EncodeToString([]byte(auth)))
c.Assert(err, check.IsNil)
conn, err := net.DialTimeout("tcp", "127.0.0.1:8000", time.Second)
c.Assert(err, checker.IsNil)
client, err := websocket.NewClient(config, conn)
c.Assert(err, checker.IsNil)
n, err := client.Write([]byte("OK"))
c.Assert(err, checker.IsNil)
c.Assert(n, checker.Equals, 2)
msg := make([]byte, 2)
n, err = client.Read(msg)
c.Assert(err, checker.IsNil)
c.Assert(n, checker.Equals, 2)
c.Assert(string(msg), checker.Equals, "OK")
}
func (s *WebsocketSuite) TestSpecificResponseFromBackend(c *check.C) {
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusUnauthorized)
}))
file := s.adaptFile(c, "fixtures/websocket/config.toml", struct {
WebsocketServer string
}{
WebsocketServer: srv.URL,
})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file), "--log.level=DEBUG")
defer display(c)
err := cmd.Start()
c.Assert(err, check.IsNil)
defer s.killCmd(cmd)
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 10*time.Second, try.BodyContains("127.0.0.1"))
c.Assert(err, checker.IsNil)
_, resp, err := gorillawebsocket.DefaultDialer.Dial("ws://127.0.0.1:8000/ws", nil)
c.Assert(err, checker.NotNil)
c.Assert(resp.StatusCode, check.Equals, http.StatusUnauthorized)
}
func (s *WebsocketSuite) TestURLWithURLEncodedChar(c *check.C) {
upgrader := gorillawebsocket.Upgrader{} // use default options
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
c.Assert(r.URL.EscapedPath(), check.Equals, "/ws/http%3A%2F%2Ftest")
conn, err := upgrader.Upgrade(w, r, nil)
if err != nil {
return
}
defer conn.Close()
for {
mt, message, err := conn.ReadMessage()
if err != nil {
break
}
err = conn.WriteMessage(mt, message)
if err != nil {
break
}
}
}))
file := s.adaptFile(c, "fixtures/websocket/config.toml", struct {
WebsocketServer string
}{
WebsocketServer: srv.URL,
})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file), "--log.level=DEBUG")
defer display(c)
err := cmd.Start()
c.Assert(err, check.IsNil)
defer s.killCmd(cmd)
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 10*time.Second, try.BodyContains("127.0.0.1"))
c.Assert(err, checker.IsNil)
conn, _, err := gorillawebsocket.DefaultDialer.Dial("ws://127.0.0.1:8000/ws/http%3A%2F%2Ftest", nil)
c.Assert(err, checker.IsNil)
err = conn.WriteMessage(gorillawebsocket.TextMessage, []byte("OK"))
c.Assert(err, checker.IsNil)
_, msg, err := conn.ReadMessage()
c.Assert(err, checker.IsNil)
c.Assert(string(msg), checker.Equals, "OK")
}
func (s *WebsocketSuite) TestSSLhttp2(c *check.C) {
upgrader := gorillawebsocket.Upgrader{} // use default options
ts := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
c, err := upgrader.Upgrade(w, r, nil)
if err != nil {
return
}
defer c.Close()
for {
mt, message, err := c.ReadMessage()
if err != nil {
break
}
err = c.WriteMessage(mt, message)
if err != nil {
break
}
}
}))
ts.TLS = &tls.Config{}
ts.TLS.NextProtos = append(ts.TLS.NextProtos, `h2`)
ts.TLS.NextProtos = append(ts.TLS.NextProtos, `http/1.1`)
ts.StartTLS()
file := s.adaptFile(c, "fixtures/websocket/config_https.toml", struct {
WebsocketServer string
}{
WebsocketServer: ts.URL,
})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file), "--log.level=DEBUG", "--accesslog")
defer display(c)
err := cmd.Start()
c.Assert(err, check.IsNil)
defer s.killCmd(cmd)
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 10*time.Second, try.BodyContains("127.0.0.1"))
c.Assert(err, checker.IsNil)
// Add client self-signed cert
roots := x509.NewCertPool()
certContent, err := ioutil.ReadFile("./resources/tls/local.cert")
c.Assert(err, checker.IsNil)
roots.AppendCertsFromPEM(certContent)
gorillawebsocket.DefaultDialer.TLSClientConfig = &tls.Config{
RootCAs: roots,
}
conn, _, err := gorillawebsocket.DefaultDialer.Dial("wss://127.0.0.1:8000/echo", nil)
c.Assert(err, checker.IsNil)
err = conn.WriteMessage(gorillawebsocket.TextMessage, []byte("OK"))
c.Assert(err, checker.IsNil)
_, msg, err := conn.ReadMessage()
c.Assert(err, checker.IsNil)
c.Assert(string(msg), checker.Equals, "OK")
}
func (s *WebsocketSuite) TestHeaderAreForwared(c *check.C) {
upgrader := gorillawebsocket.Upgrader{} // use default options
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
c.Assert(r.Header.Get("X-Token"), check.Equals, "my-token")
c, err := upgrader.Upgrade(w, r, nil)
if err != nil {
return
}
defer c.Close()
for {
mt, message, err := c.ReadMessage()
if err != nil {
break
}
err = c.WriteMessage(mt, message)
if err != nil {
break
}
}
}))
file := s.adaptFile(c, "fixtures/websocket/config.toml", struct {
WebsocketServer string
}{
WebsocketServer: srv.URL,
})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file), "--log.level=DEBUG")
defer display(c)
err := cmd.Start()
c.Assert(err, check.IsNil)
defer s.killCmd(cmd)
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/rawdata", 10*time.Second, try.BodyContains("127.0.0.1"))
c.Assert(err, checker.IsNil)
headers := http.Header{}
headers.Add("X-Token", "my-token")
conn, _, err := gorillawebsocket.DefaultDialer.Dial("ws://127.0.0.1:8000/ws", headers)
c.Assert(err, checker.IsNil)
err = conn.WriteMessage(gorillawebsocket.TextMessage, []byte("OK"))
c.Assert(err, checker.IsNil)
_, msg, err := conn.ReadMessage()
c.Assert(err, checker.IsNil)
c.Assert(string(msg), checker.Equals, "OK")
}