PLT-3412 WebRTC Server side & System Console (#3706)

* WebRTC Server side

* WebRTC System Console

* Consistency on variable names

* Add turn and stun uri validation

model/utils.go

@@ -413,6 +413,18 @@ func IsValidHttpsUrl(rawUrl string) bool {
 	return true
 }
 
+func IsValidTurnOrStunServer(rawUri string) bool {
+	if strings.Index(rawUri, "turn:") != 0 && strings.Index(rawUri, "stun:") != 0 {
+		return false
+	}
+
+	if _, err := url.ParseRequestURI(rawUri); err != nil {
+		return false
+	}
+
+	return true
+}
+
 func IsSafeLink(link *string) bool {
 	if link != nil {
 		if IsValidHttpUrl(*link) {
@@ -426,3 +438,15 @@ func IsSafeLink(link *string) bool {
 
 	return true
 }
+
+func IsValidWebsocketUrl(rawUrl string) bool {
+	if strings.Index(rawUrl, "ws://") != 0 && strings.Index(rawUrl, "wss://") != 0 {
+		return false
+	}
+
+	if _, err := url.ParseRequestURI(rawUrl); err != nil {
+		return false
+	}
+
+	return true
+}