|
| 1 | + |
| 2 | +local function isBotAllowed (userId, chatId) |
| 3 | + local hash = 'anti-bot:allowed:'..chatId..':'..userId |
| 4 | + local banned = redis:get(hash) |
| 5 | + return banned |
| 6 | +end |
| 7 | + |
| 8 | +local function allowBot (userId, chatId) |
| 9 | + local hash = 'anti-bot:allowed:'..chatId..':'..userId |
| 10 | + redis:set(hash, true) |
| 11 | +end |
| 12 | + |
| 13 | +local function disallowBot (userId, chatId) |
| 14 | + local hash = 'anti-bot:allowed:'..chatId..':'..userId |
| 15 | + redis:del(hash) |
| 16 | +end |
| 17 | + |
| 18 | +-- Is anti-bot enabled on chat |
| 19 | +local function isAntiBotEnabled (chatId) |
| 20 | + local hash = 'anti-bot:enabled:'..chatId |
| 21 | + local enabled = redis:get(hash) |
| 22 | + return enabled |
| 23 | +end |
| 24 | + |
| 25 | +local function enableAntiBot (chatId) |
| 26 | + local hash = 'anti-bot:enabled:'..chatId |
| 27 | + redis:set(hash, true) |
| 28 | +end |
| 29 | + |
| 30 | +local function disableAntiBot (chatId) |
| 31 | + local hash = 'anti-bot:enabled:'..chatId |
| 32 | + redis:del(hash) |
| 33 | +end |
| 34 | + |
| 35 | +local function isABot (user) |
| 36 | + -- Flag its a bot 0001000000000000 |
| 37 | + local binFlagIsBot = 4096 |
| 38 | + local result = bit32.band(user.flags, binFlagIsBot) |
| 39 | + return result == binFlagIsBot |
| 40 | +end |
| 41 | + |
| 42 | +local function kickUser(userId, chatId) |
| 43 | + local chat = 'chat#id'..chatId |
| 44 | + local user = 'user#id'..userId |
| 45 | + chat_del_user(chat, user, function (data, success, result) |
| 46 | + if success ~= 1 then |
| 47 | + print('I can\'t kick '..data.user..' but should be kicked') |
| 48 | + end |
| 49 | + end, {chat=chat, user=user}) |
| 50 | +end |
| 51 | + |
| 52 | +local function run (msg, matches) |
| 53 | + -- We wont return text if is a service msg |
| 54 | + if matches[1] ~= 'chat_add_user' and matches[1] ~= 'chat_add_user_link' then |
| 55 | + if msg.to.type ~= 'chat' then |
| 56 | + return 'Anti-flood works only on channels' |
| 57 | + end |
| 58 | + end |
| 59 | + |
| 60 | + local chatId = msg.to.id |
| 61 | + if matches[1] == 'enable' then |
| 62 | + enableAntiBot(chatId) |
| 63 | + return 'Anti-bot enabled on this chat' |
| 64 | + end |
| 65 | + if matches[1] == 'disable' then |
| 66 | + disableAntiBot(chatId) |
| 67 | + return 'Anti-bot disabled on this chat' |
| 68 | + end |
| 69 | + if matches[1] == 'allow' then |
| 70 | + local userId = matches[2] |
| 71 | + allowBot(userId, chatId) |
| 72 | + return 'Bot '..userId..' allowed' |
| 73 | + end |
| 74 | + if matches[1] == 'disallow' then |
| 75 | + local userId = matches[2] |
| 76 | + disallowBot(userId, chatId) |
| 77 | + return 'Bot '..userId..' disallowed' |
| 78 | + end |
| 79 | + if matches[1] == 'chat_add_user' or matches[1] == 'chat_add_user_link' then |
| 80 | + local user = msg.action.user or msg.from |
| 81 | + if isABot(user) then |
| 82 | + print('It\'s a bot!') |
| 83 | + if isAntiBotEnabled(chatId) then |
| 84 | + print('Anti bot is enabled') |
| 85 | + local userId = user.id |
| 86 | + if not isBotAllowed(userId, chatId) then |
| 87 | + kickUser(userId, chatId) |
| 88 | + else |
| 89 | + print('This bot is allowed') |
| 90 | + end |
| 91 | + end |
| 92 | + end |
| 93 | + end |
| 94 | +end |
| 95 | + |
| 96 | +return { |
| 97 | + description = 'When bot enters group kick it.', |
| 98 | + usage = { |
| 99 | + '!antibot enable: Enable Anti-bot on current chat', |
| 100 | + '!antibot disable: Disable Anti-bot on current chat', |
| 101 | + '!antibot allow <botId>: Allow <botId> on this chat', |
| 102 | + '!antibot disallow <botId>: Disallow <botId> on this chat' |
| 103 | + }, |
| 104 | + patterns = { |
| 105 | + '^!antibot (allow) (%d+)$', |
| 106 | + '^!antibot (disallow) (%d+)$', |
| 107 | + '^!antibot (enable)$', |
| 108 | + '^!antibot (disable)$', |
| 109 | + '^!!tgservice (chat_add_user)$', |
| 110 | + '^!!tgservice (chat_add_user_link)$' |
| 111 | + }, |
| 112 | + run = run |
| 113 | +} |
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