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[filebeat][streaming] - Added support for TLS & forward proxy configs…
… for websockets (#41934) (#42009) (cherry picked from commit fd81074) Co-authored-by: ShourieG <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -6,6 +6,7 @@ package streaming | |
|
|
||
| import ( | ||
| "context" | ||
| "crypto/tls" | ||
| "errors" | ||
| "fmt" | ||
| "net/http" | ||
|
|
@@ -41,6 +42,7 @@ type WebSocketHandler func(*testing.T, *websocket.Conn, []string) | |
| var inputTests = []struct { | ||
| name string | ||
| server func(*testing.T, WebSocketHandler, map[string]interface{}, []string) | ||
| proxyServer func(*testing.T, WebSocketHandler, map[string]interface{}, []string) *httptest.Server | ||
| handler WebSocketHandler | ||
| config map[string]interface{} | ||
| response []string | ||
|
|
@@ -450,6 +452,140 @@ var inputTests = []struct { | |
| }, | ||
| wantErr: fmt.Errorf("failed to establish WebSocket connection after 2 attempts with error websocket: bad handshake"), | ||
| }, | ||
| { | ||
| name: "single_event_tls", | ||
| server: webSocketServerWithTLS(httptest.NewUnstartedServer), | ||
| handler: defaultHandler, | ||
| config: map[string]interface{}{ | ||
| "program": ` | ||
| bytes(state.response).decode_json().as(inner_body,{ | ||
| "events": [inner_body], | ||
| })`, | ||
| "ssl": map[string]interface{}{ | ||
| "enabled": true, | ||
| "certificate_authorities": []string{"testdata/certs/ca.crt"}, | ||
| "certificate": "testdata/certs/cert.pem", | ||
| "key": "testdata/certs/key.pem", | ||
| }, | ||
| }, | ||
| response: []string{` | ||
| { | ||
| "pps": { | ||
| "agent": "example.proofpoint.com", | ||
| "cid": "mmeng_uivm071" | ||
| }, | ||
| "ts": "2017-08-17T14:54:12.949180-07:00", | ||
| "data": "2017-08-17T14:54:12.949180-07:00 example sendmail[30641]:v7HLqYbx029423: to=/dev/null, ctladdr=<[email protected]> (8/0),delay=00:00:00, xdelay=00:00:00, mailer=*file*, tls_verify=NONE, pri=35342,dsn=2.0.0, stat=Sent", | ||
| "sm": { | ||
| "tls": { | ||
| "verify": "NONE" | ||
| }, | ||
| "stat": "Sent", | ||
| "qid": "v7HLqYbx029423", | ||
| "dsn": "2.0.0", | ||
| "mailer": "*file*", | ||
| "to": [ | ||
| "/dev/null" | ||
| ], | ||
| "ctladdr": "<[email protected]> (8/0)", | ||
| "delay": "00:00:00", | ||
| "xdelay": "00:00:00", | ||
| "pri": 35342 | ||
| }, | ||
| "id": "ZeYGULpZmL5N0151HN1OyA" | ||
| }`}, | ||
| want: []map[string]interface{}{ | ||
| { | ||
| "pps": map[string]interface{}{ | ||
| "agent": "example.proofpoint.com", | ||
| "cid": "mmeng_uivm071", | ||
| }, | ||
| "ts": "2017-08-17T14:54:12.949180-07:00", | ||
| "data": "2017-08-17T14:54:12.949180-07:00 example sendmail[30641]:v7HLqYbx029423: to=/dev/null, ctladdr=<[email protected]> (8/0),delay=00:00:00, xdelay=00:00:00, mailer=*file*, tls_verify=NONE, pri=35342,dsn=2.0.0, stat=Sent", | ||
| "sm": map[string]interface{}{ | ||
| "tls": map[string]interface{}{ | ||
| "verify": "NONE", | ||
| }, | ||
| "stat": "Sent", | ||
| "qid": "v7HLqYbx029423", | ||
| "dsn": "2.0.0", | ||
| "mailer": "*file*", | ||
| "to": []interface{}{ | ||
| "/dev/null", | ||
| }, | ||
| "ctladdr": "<[email protected]> (8/0)", | ||
| "delay": "00:00:00", | ||
| "xdelay": "00:00:00", | ||
| "pri": float64(35342), | ||
| }, | ||
| "id": "ZeYGULpZmL5N0151HN1OyA", | ||
| }, | ||
| }, | ||
| }, | ||
| { | ||
| name: "basic_proxy_forwarding", | ||
| proxyServer: newWebSocketProxyTestServer, | ||
| handler: defaultHandler, | ||
| config: map[string]interface{}{ | ||
| "program": ` | ||
| bytes(state.response).decode_json().as(inner_body,{ | ||
| "events": [inner_body], | ||
| })`, | ||
| }, | ||
| response: []string{` | ||
| { | ||
| "pps": { | ||
| "agent": "example.proofpoint.com", | ||
| "cid": "mmeng_uivm071" | ||
| }, | ||
| "ts": "2017-08-17T14:54:12.949180-07:00", | ||
| "data": "2017-08-17T14:54:12.949180-07:00 example sendmail[30641]:v7HLqYbx029423: to=/dev/null, ctladdr=<[email protected]> (8/0),delay=00:00:00, xdelay=00:00:00, mailer=*file*, tls_verify=NONE, pri=35342,dsn=2.0.0, stat=Sent", | ||
| "sm": { | ||
| "tls": { | ||
| "verify": "NONE" | ||
| }, | ||
| "stat": "Sent", | ||
| "qid": "v7HLqYbx029423", | ||
| "dsn": "2.0.0", | ||
| "mailer": "*file*", | ||
| "to": [ | ||
| "/dev/null" | ||
| ], | ||
| "ctladdr": "<[email protected]> (8/0)", | ||
| "delay": "00:00:00", | ||
| "xdelay": "00:00:00", | ||
| "pri": 35342 | ||
| }, | ||
| "id": "ZeYGULpZmL5N0151HN1OyA" | ||
| }`}, | ||
| want: []map[string]interface{}{ | ||
| { | ||
| "pps": map[string]interface{}{ | ||
| "agent": "example.proofpoint.com", | ||
| "cid": "mmeng_uivm071", | ||
| }, | ||
| "ts": "2017-08-17T14:54:12.949180-07:00", | ||
| "data": "2017-08-17T14:54:12.949180-07:00 example sendmail[30641]:v7HLqYbx029423: to=/dev/null, ctladdr=<[email protected]> (8/0),delay=00:00:00, xdelay=00:00:00, mailer=*file*, tls_verify=NONE, pri=35342,dsn=2.0.0, stat=Sent", | ||
| "sm": map[string]interface{}{ | ||
| "tls": map[string]interface{}{ | ||
| "verify": "NONE", | ||
| }, | ||
| "stat": "Sent", | ||
| "qid": "v7HLqYbx029423", | ||
| "dsn": "2.0.0", | ||
| "mailer": "*file*", | ||
| "to": []interface{}{ | ||
| "/dev/null", | ||
| }, | ||
| "ctladdr": "<[email protected]> (8/0)", | ||
| "delay": "00:00:00", | ||
| "xdelay": "00:00:00", | ||
| "pri": float64(35342), | ||
| }, | ||
| "id": "ZeYGULpZmL5N0151HN1OyA", | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| var urlEvalTests = []struct { | ||
|
|
@@ -560,6 +696,9 @@ func TestInput(t *testing.T) { | |
| if test.server != nil { | ||
| test.server(t, test.handler, test.config, test.response) | ||
| } | ||
| if test.proxyServer != nil { | ||
| test.proxyServer(t, test.handler, test.config, test.response) | ||
| } | ||
|
|
||
| cfg := conf.MustNewConfigFrom(test.config) | ||
|
|
||
|
|
@@ -771,6 +910,46 @@ func webSocketServerWithRetry(serve func(http.Handler) *httptest.Server) func(*t | |
| } | ||
| } | ||
|
|
||
| // webSocketServerWithTLS simulates a WebSocket server with TLS based authentication. | ||
| func webSocketServerWithTLS(serve func(http.Handler) *httptest.Server) func(*testing.T, WebSocketHandler, map[string]interface{}, []string) { | ||
| return func(t *testing.T, handler WebSocketHandler, config map[string]interface{}, response []string) { | ||
| server := serve(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
| upgrader := websocket.Upgrader{ | ||
| CheckOrigin: func(r *http.Request) bool { | ||
| return true | ||
| }, | ||
| } | ||
|
|
||
| conn, err := upgrader.Upgrade(w, r, nil) | ||
| if err != nil { | ||
| t.Fatalf("error upgrading connection to WebSocket: %v", err) | ||
| return | ||
| } | ||
|
|
||
| handler(t, conn, response) | ||
| })) | ||
| //nolint:gosec // there is no need to use a secure cert for testing | ||
| server.TLS = &tls.Config{ | ||
| Certificates: []tls.Certificate{generateSelfSignedCert(t)}, | ||
| } | ||
| server.StartTLS() | ||
|
|
||
| if config["url"] == nil { | ||
| config["url"] = "ws" + server.URL[4:] | ||
| } | ||
| t.Cleanup(server.Close) | ||
| } | ||
| } | ||
|
|
||
| // generateSelfSignedCert returns a self-signed certificate for testing purposes based on the dummy certs in the testdata directory | ||
| func generateSelfSignedCert(t *testing.T) tls.Certificate { | ||
| cert, err := tls.LoadX509KeyPair("testdata/certs/cert.pem", "testdata/certs/key.pem") | ||
| if err != nil { | ||
| t.Fatalf("failed to generate self-signed cert: %v", err) | ||
| } | ||
| return cert | ||
| } | ||
|
|
||
| // defaultHandler is a default handler for WebSocket connections. | ||
| func defaultHandler(t *testing.T, conn *websocket.Conn, response []string) { | ||
| for _, r := range response { | ||
|
|
@@ -780,3 +959,73 @@ func defaultHandler(t *testing.T, conn *websocket.Conn, response []string) { | |
| } | ||
| } | ||
| } | ||
|
|
||
| // webSocketTestServer creates a WebSocket target server that communicates with the proxy handler. | ||
| func webSocketTestServer(t *testing.T, handler WebSocketHandler, response []string) *httptest.Server { | ||
| return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
| upgrader := websocket.Upgrader{ | ||
| CheckOrigin: func(r *http.Request) bool { | ||
| return true | ||
| }, | ||
| } | ||
| conn, err := upgrader.Upgrade(w, r, nil) | ||
| if err != nil { | ||
| t.Fatalf("failed to upgrade WebSocket connection: %v", err) | ||
| return | ||
| } | ||
| handler(t, conn, response) | ||
| })) | ||
| } | ||
|
|
||
| // webSocketProxyHandler forwards WebSocket connections to the target server. | ||
| // | ||
| //nolint:errcheck //we can safely ignore errors checks here | ||
| func webSocketProxyHandler(targetURL string) http.HandlerFunc { | ||
| return func(w http.ResponseWriter, r *http.Request) { | ||
| defer r.Response.Body.Close() | ||
| //nolint:bodyclose // we can ignore the body close here | ||
| targetConn, _, err := websocket.DefaultDialer.Dial(targetURL, nil) | ||
| if err != nil { | ||
| http.Error(w, "failed to connect to backend WebSocket server", http.StatusBadGateway) | ||
| return | ||
| } | ||
| defer targetConn.Close() | ||
|
|
||
| upgrader := websocket.Upgrader{ | ||
| CheckOrigin: func(r *http.Request) bool { | ||
| return true | ||
| }, | ||
| } | ||
| clientConn, err := upgrader.Upgrade(w, r, nil) | ||
| if err != nil { | ||
| http.Error(w, "failed to upgrade client connection", http.StatusInternalServerError) | ||
| return | ||
| } | ||
| defer clientConn.Close() | ||
| // forward messages between client and target server | ||
| go func() { | ||
| for { | ||
| messageType, message, err := targetConn.ReadMessage() | ||
| if err != nil { | ||
| break | ||
| } | ||
| clientConn.WriteMessage(messageType, message) | ||
| } | ||
| }() | ||
| for { | ||
| messageType, message, err := clientConn.ReadMessage() | ||
| if err != nil { | ||
| break | ||
| } | ||
| targetConn.WriteMessage(messageType, message) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // newWebSocketProxyTestServer creates a proxy server forwarding WebSocket traffic. | ||
| func newWebSocketProxyTestServer(t *testing.T, handler WebSocketHandler, config map[string]interface{}, response []string) *httptest.Server { | ||
| backendServer := webSocketTestServer(t, handler, response) | ||
| config["url"] = "ws" + backendServer.URL[4:] | ||
| config["proxy_url"] = "ws" + backendServer.URL[4:] | ||
| return httptest.NewServer(webSocketProxyHandler(config["url"].(string))) | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| -----BEGIN CERTIFICATE----- | ||
| MIIDbTCCAlWgAwIBAgIUS/rm8sWDc2a+eD9L+q+9XQpBa5MwDQYJKoZIhvcNAQEL | ||
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| MTExMTEyMzg1OFowRTELMAkGA1UEBhMCQVUxEzARBgNVBAgMClNvbWUtU3RhdGUx | ||
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| AQEBBQADggEPADCCAQoCggEBALhEaFVqFuYwSwH4GHhMeqhilC+sWXKaQP8QmaH7 | ||
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| vKJxZUVpQEbJvQ7pe7+iLL4jSOfzpQNcV9S/bzTo6taZXuo+ryEPlshkU/ME5VCN | ||
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| cMr7VDqA2YhtEiGYMA8GA1UdEwEB/wQFMAMBAf8wDQYJKoZIhvcNAQELBQADggEB | ||
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| 5h0bTbbPOyEIe5ydEIbr5kA= | ||
| -----END CERTIFICATE----- |
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