commit 1867f89562fb25bf9a3c2172a7b6f0a198c81adb
Author: Arlo Breault <arlolra(a)gmail.com>
Date: Thu Mar 26 14:04:29 2020 -0400
Remove local LAN address ICE candidates in proxy-go answer
Trac: 19026
---
proxy-go/snowflake.go | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/proxy-go/snowflake.go b/proxy-go/snowflake.go
index 69fef9d..422cf7e 100644
--- a/proxy-go/snowflake.go
+++ b/proxy-go/snowflake.go
@@ -70,8 +70,9 @@ func remoteIPFromSDP(sdp string) net.IP {
}
type Broker struct {
- url *url.URL
- transport http.RoundTripper
+ url *url.URL
+ transport http.RoundTripper
+ keepLocalAddresses bool
}
type webRTCConn struct {
@@ -209,7 +210,14 @@ func (b *Broker) pollOffer(sid string) *webrtc.SessionDescription {
func (b *Broker) sendAnswer(sid string, pc *webrtc.PeerConnection) error {
brokerPath := b.url.ResolveReference(&url.URL{Path: "answer"})
- answer := string([]byte(util.SerializeSessionDescription(pc.LocalDescription())))
+ ld := pc.LocalDescription()
+ if !b.keepLocalAddresses {
+ ld = &webrtc.SessionDescription{
+ Type: ld.Type,
+ SDP: util.StripLocalAddresses(ld.SDP),
+ }
+ }
+ answer := string([]byte(util.SerializeSessionDescription(ld)))
body, err := messages.EncodeAnswerRequest(answer, sid)
if err != nil {
return err
@@ -409,6 +417,7 @@ func main() {
var logFilename string
var rawBrokerURL string
var unsafeLogging bool
+ var keepLocalAddresses bool
flag.UintVar(&capacity, "capacity", 10, "maximum concurrent clients")
flag.StringVar(&rawBrokerURL, "broker", defaultBrokerURL, "broker URL")
@@ -416,6 +425,7 @@ func main() {
flag.StringVar(&stunURL, "stun", defaultSTUNURL, "stun URL")
flag.StringVar(&logFilename, "log", "", "log filename")
flag.BoolVar(&unsafeLogging, "unsafe-logging", false, "prevent logs from being scrubbed")
+ flag.BoolVar(&keepLocalAddresses, "keep-local-addresses", false, "keep local LAN address ICE candidates")
flag.Parse()
var logOutput io.Writer = os.Stderr
@@ -439,6 +449,7 @@ func main() {
var err error
broker = new(Broker)
+ broker.keepLocalAddresses = keepLocalAddresses
broker.url, err = url.Parse(rawBrokerURL)
if err != nil {
log.Fatalf("invalid broker url: %s", err)