nEs4XVNt

1    private ArrayList<UUID> authlocked;
2
3    @Override
4    public void onEnable() {
5        this.getServer().getPluginManager().registerEvents(this, this);
6        authlocked = new ArrayList<UUID>();
7
8        this.getConfig().options().copyDefaults(true);
9        this.saveConfig();
10    }
11
12
13    @EventHandler
14    public void onJoin(PlayerJoinEvent event) {
15        Player player = event.getPlayer();
16
17        if (!this.getConfig().contains("authcodes." + player.getUniqueId())) {
18            GoogleAuthenticator gAuth = new GoogleAuthenticator();
19            GoogleAuthenticatorKey key = gAuth.createCredentials();
20
21            player.sendMessage("§7Your §bGoogle Auth Code §7is §a" + key.getKey());
22            player.sendMessage("§7You must enter this code in the Google Authenticator App before leaving the server.");
23
24            this.getConfig().set("authcodes." + player.getUniqueId(), key.getKey());
25            this.saveConfig();
26        } else {
27            authlocked.add(player.getUniqueId());
28            player.sendMessage("§cPlease open the Google Authenticator App and provide the six digit code.");
29        }
30    }
31
32    private boolean playerInputCode(Player player, int code) {
33        String secretkey = this.getConfig().getString("authcodes." + player.getUniqueId());
34
35        GoogleAuthenticator gAuth = new GoogleAuthenticator();
36        boolean codeisvalid = gAuth.authorize(secretkey, code);
37
38
39        if (codeisvalid) {
40            authlocked.remove(player.getUniqueId());
41            return codeisvalid;
42        }
43
44        return codeisvalid;
45    }
46
47
48    @EventHandler
49    public void chat(AsyncPlayerChatEvent event) {
50        Player player = event.getPlayer();
51        String message = event.getMessage();
52
53        if (authlocked.contains(player.getUniqueId())) {
54            try {
55                Integer code = Integer.parseInt(message);
56                if (playerInputCode(player, code)) {
57                    authlocked.remove(player.getUniqueId());
58                    player.sendMessage("§aAccess Granted §bWelcome to the server!");
59                } else {
60                    player.sendMessage("§cIncorrect or expired code ** A code will only contain numbers ");
61
62                }
63            } catch (Exception e) {
64                player.sendMessage("§cIncorrect or expired code A code will only contain numbers ");
65            }
66            event.setCancelled(true);
67        }
68    }
69 }