Randomize device ID if none is set.

README.md

@@ -24,6 +24,7 @@ Options:
         Start downloading from the oldest segment rather than the newest
   --access-token-device-id value
         Device ID to send when acquiring an access token (optional)
+        If no device ID is specified, one will be generated randomly
   --access-token-oauth value
         OAuth token to send when acquiring an access token (optional)
   --access-token-platform string

main.go

@@ -34,6 +34,10 @@ func main() {
 		hideWindow()
 	}
 
+	if accessTokenDeviceID.string == nil {
+		accessTokenDeviceID.Set(randDeviceID())
+	}
+
 	externalCommand, externalArgs := len(flag.Args()) > 1, len(flag.Args()) > 2
 
 	username := flag.Arg(0)

options.go

@@ -3,6 +3,7 @@ package main
 import (
 	"flag"
 	"fmt"
+	"math/rand"
 	"os"
 	"runtime/debug"
 	"strings"
@@ -85,7 +86,7 @@ func init() {
 	flag.StringVar(&accessTokenPlayerType, "access-token-player-type", accessTokenPlayerTypeDefault, "The player type to send when acquiring an access token")
 	flag.Var(&accessTokenPlayerBackend, "access-token-player-backend", "The player backend to send when acquiring an access token (optional)")
 	flag.Var(&accessTokenOAuth, "access-token-oauth", "OAuth token to send when acquiring an access token (optional)")
-	flag.Var(&accessTokenDeviceID, "access-token-device-id", "Device ID to send when acquiring an access token (optional)")
+	flag.Var(&accessTokenDeviceID, "access-token-device-id", "Device ID to send when acquiring an access token (optional)\n\tIf no device ID is specified, one will be generated randomly")
 }
 
 func printVersion() {
@@ -213,3 +214,7 @@ func printGroups(playlists []playlistInfo) {
 		fmt.Fprintln(os.Stderr)
 	}
 }
+
+func randDeviceID() string {
+	return fmt.Sprintf("%16x", rand.Uint64())
+}