fix: Hardcode ICE servers

backend-protobuf

@@ -1 +1 @@
-Subproject commit a36ddf9a8106e69a2ad1c4a42fc78ed8765fd23e
+Subproject commit 10e363e61b36d754351fc530f05b583152d62b04

iceservers.txt

@@ -1 +0,0 @@
-stun:stun.l.google.com:19302

main.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"encoding/json"
 	"io"
-  "io/ioutil"
 	"log"
 	"net/http"
 	"os"
@@ -13,12 +12,12 @@ import (
 
 	. "webrtc/backend-protobuf/go"
 
+	"github.com/golang/protobuf/proto"
+	"github.com/gorilla/websocket"
 	"github.com/joho/godotenv"
 	"github.com/julienschmidt/httprouter"
-  "github.com/pion/webrtc/v2"
-  "github.com/gorilla/websocket"
-  "github.com/golang/protobuf/proto"
 	"github.com/nats-io/go-nats"
+	"github.com/pion/webrtc/v2"
 )
 
 // Peer config
@@ -32,9 +31,9 @@ var upgrader websocket.Upgrader
 var mediaEngine webrtc.MediaEngine
 var webrtcApi *webrtc.API
 
-var userTracks map[string] map[string] *webrtc.Track // userid + clientid
-var conversationUsers map[string] []string
-var userConversation map[string] string
+var userTracks map[string]map[string]*webrtc.Track // userid + clientid
+var conversationUsers map[string][]string
+var userConversation map[string]string
 
 var natsConn *nats.Conn
 
@@ -55,25 +54,18 @@ func main() {
 	webrtcApi = webrtc.NewAPI(webrtc.WithMediaEngine(mediaEngine))
 
 	// Read ICE servers
-  fileBytes, err := ioutil.ReadFile("iceservers.txt")
-  if err != nil {
-    log.Fatal("error opening ice servers file")
-  }
-  fileString := string(fileBytes)
-  servers := strings.Split(fileString, `\n`)
-
 	peerConnectionConfig = webrtc.Configuration{
 		ICEServers: []webrtc.ICEServer{
 			{
-        URLs: servers,
+				URLs: []string{"stun:stun.l.google.com:19302"},
 			},
 		},
 		SDPSemantics: webrtc.SDPSemanticsUnifiedPlanWithFallback,
 	}
 
-  userTracks = make(map[string] map[string] *webrtc.Track)
-  conversationUsers = make(map[string] []string)
-  userConversation = make(map[string] string)
+	userTracks = make(map[string]map[string]*webrtc.Track)
+	conversationUsers = make(map[string][]string)
+	userConversation = make(map[string]string)
 
 	// NATs client
 	natsConn, err := nats.Connect(natsHost)
@@ -97,6 +89,7 @@ type RawClient struct {
 	UserId   string `json:"userid"`
 	ClientId string `json:"clientid"`
 }
+
 func GetAuth(next httprouter.Handle) httprouter.Handle {
 	return func(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
 		ua := r.Header.Get("X-User-Claim")
@@ -155,7 +148,7 @@ func NewConnection(w http.ResponseWriter, r *http.Request, p httprouter.Params)
 			_, msg, err := c.ReadMessage()
 			iceCandidate := strings.Join(strings.Split(string(msg), "::")[1:], "::")
 			if err == nil {
-        clientReceiver.AddICECandidate(webrtc.ICECandidateInit {
+				clientReceiver.AddICECandidate(webrtc.ICECandidateInit{
 					Candidate: iceCandidate,
 				})
 			}
@@ -164,7 +157,7 @@ func NewConnection(w http.ResponseWriter, r *http.Request, p httprouter.Params)
 
 	// Handle ICE candidates
 	clientReceiver.OnICECandidate(func(candidate *webrtc.ICECandidate) {
-    _ = c.WriteMessage(websocket.TextMessage, []byte("ice::" + candidate.String()))
+		_ = c.WriteMessage(websocket.TextMessage, []byte("ice::"+candidate.String()))
 	})
 
 	_, err = clientReceiver.AddTransceiver(webrtc.RTPCodecTypeAudio)
@@ -202,7 +195,7 @@ func NewConnection(w http.ResponseWriter, r *http.Request, p httprouter.Params)
 				}
 
 				start := time.Now().Unix()
-        bite := Bite {
+				bite := Bite{
 					Start: uint64(start),
 					Key:   conversationId,
 					Data:  rtpBuf[:i],
@@ -214,7 +207,7 @@ func NewConnection(w http.ResponseWriter, r *http.Request, p httprouter.Params)
 					natsConn.Publish("bite", biteOut)
 				}
 
-        store := Store {
+				store := Store{
 					Type: "bite",
 					Bite: &bite,
 				}
@@ -241,7 +234,7 @@ func NewConnection(w http.ResponseWriter, r *http.Request, p httprouter.Params)
 
 	// Do signalling things
 	err = clientReceiver.SetRemoteDescription(
-    webrtc.SessionDescription {
+		webrtc.SessionDescription{
 			SDP:  offerSDP,
 			Type: webrtc.SDPTypeOffer,
 		})
@@ -265,7 +258,7 @@ func NewConnection(w http.ResponseWriter, r *http.Request, p httprouter.Params)
 		return
 	}
 
-  err = c.WriteMessage(mt, []byte("answer::" + answer.SDP))
+	err = c.WriteMessage(mt, []byte("answer::"+answer.SDP))
 	if err != nil {
 		log.Printf("%s", err)
 		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
@@ -298,10 +291,10 @@ func JoinConversation(w http.ResponseWriter, r *http.Request, p httprouter.Param
 			for i, u := range users {
 				if u == user.UserId {
 					lastIndex = i
-          break;
+					break
 				}
 			}
-      users[lastIndex] = users[len(users) - 1]
+			users[lastIndex] = users[len(users)-1]
 			conversationUsers[oldConversation] = users[:len(users)-1]
 		}
 	}