/
main.go
83 lines (70 loc) · 1.72 KB
/
main.go
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package main
import (
"log"
"net"
"os"
"os/signal"
"regexp"
"strconv"
"syscall"
"time"
"github.com/pion/logging"
"github.com/pion/turn"
)
func createAuthHandler(usersMap map[string]string) turn.AuthHandler {
return func(username string, srcAddr net.Addr) (string, bool) {
if password, ok := usersMap[username]; ok {
return password, true
}
return "", false
}
}
func main() {
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
usersMap := map[string]string{}
users := os.Getenv("USERS")
if users == "" {
log.Panic("USERS is a required environment variable")
}
for _, kv := range regexp.MustCompile(`(\w+)=(\w+)`).FindAllStringSubmatch(users, -1) {
usersMap[kv[1]] = kv[2]
}
realm := os.Getenv("REALM")
if realm == "" {
log.Panic("REALM is a required environment variable")
}
udpPortStr := os.Getenv("UDP_PORT")
if udpPortStr == "" {
udpPortStr = "3478"
}
udpPort, err := strconv.Atoi(udpPortStr)
if err != nil {
log.Panic(err)
}
var channelBindTimeout time.Duration
channelBindTimeoutStr := os.Getenv("CHANNEL_BIND_TIMEOUT")
if channelBindTimeoutStr != "" {
channelBindTimeout, err = time.ParseDuration(channelBindTimeoutStr)
if err != nil {
log.Panicf("CHANNEL_BIND_TIMEOUT=%s is an invalid time Duration", channelBindTimeoutStr)
}
}
s := turn.NewServer(&turn.ServerConfig{
Realm: realm,
AuthHandler: createAuthHandler(usersMap),
ChannelBindTimeout: channelBindTimeout,
ListeningPort: udpPort,
LoggerFactory: logging.NewDefaultLoggerFactory(),
Software: os.Getenv("SOFTWARE"),
})
err = s.Start()
if err != nil {
log.Panic(err)
}
<-sigs
err = s.Close()
if err != nil {
log.Panic(err)
}
}