249 lines
7.4 KiB
Lua
249 lines
7.4 KiB
Lua
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local banhammer = {}
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banhammer.command = 'banhammer <nur für Superuser>'
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function banhammer:init(config)
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banhammer.triggers = {
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"^/(whitelist) (enable)$",
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"^/(whitelist) (disable)$",
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"^/(whitelist) (user) (%d+)$",
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"^/(whitelist) (chat)$",
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"^/(whitelist) (delete) (user) (%d+)$",
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"^/(whitelist) (delete) (chat)$",
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"^/(ban) (user) (%d+)$",
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"^/(ban) (delete) (%d+)$",
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"^/(kick) (%d+)$"
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}
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banhammer.doc = [[*
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]]..config.cmd_pat..[[whitelist* _<enable>_/_<disable>_: Aktiviert/deaktiviert Whitelist
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*]]..config.cmd_pat..[[whitelist* user _<user#id>_: Whiteliste User
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*]]..config.cmd_pat..[[whitelist* chat: Whiteliste ganze Gruppe
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*]]..config.cmd_pat..[[whitelist* delete user _<user#id>_: Lösche User von der Whitelist
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*]]..config.cmd_pat..[[whitelist* delete chat: Lösche ganze Gruppe von der Whitelist
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*]]..config.cmd_pat..[[ban* user _<user#id>_: Kicke User vom Chat und kicke ihn, wenn er erneut beitritt
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*]]..config.cmd_pat..[[ban* delete _<user#id>_: Entbanne User
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*]]..config.cmd_pat..[[kick* _<user#id>_: Kicke User aus dem Chat]]
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end
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function banhammer:kick_user(user_id, chat_id, self, onlykick)
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if user_id == tostring(our_id) then
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return "Ich werde mich nicht selbst kicken!"
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else
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local request = bindings.request(self, 'kickChatMember', {
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chat_id = chat_id,
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user_id = user_id
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} )
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if onlykick then return end
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if not request then return 'User gebannt, aber kicken war nicht erfolgreich. Bin ich Administrator oder ist der User hier überhaupt?' end
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return 'User '..user_id..' gebannt!'
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end
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end
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function banhammer:ban_user(user_id, chat_id, self)
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if user_id == tostring(our_id) then
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return "Ich werde mich nicht selbst kicken!"
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else
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-- Save to redis
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local hash = 'banned:'..chat_id..':'..user_id
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redis:set(hash, true)
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-- Kick from chat
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return banhammer:kick_user(user_id, chat_id, self)
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end
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end
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function banhammer:unban_user(user_id, chat_id, self, chat_type)
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local hash = 'banned:'..chat_id..':'..user_id
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redis:del(hash)
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if chat_type == 'supergroup' then -- how can bots be admins anyway?
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local request = bindings.request(self, 'unbanChatMember', {
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chat_id = chat_id,
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user_id = user_id
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} )
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end
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return 'User '..user_id..' wurde entbannt.'
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end
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function banhammer:is_banned(user_id, chat_id)
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local hash = 'banned:'..chat_id..':'..user_id
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local banned = redis:get(hash)
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return banned or false
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end
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function banhammer:is_user_whitelisted(id)
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local hash = 'whitelist:user#id'..id
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local white = redis:get(hash) or false
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return white
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end
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function banhammer:is_chat_whitelisted(id)
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local hash = 'whitelist:chat#id'..id
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local white = redis:get(hash) or false
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return white
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end
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function banhammer:pre_process(msg, self, config)
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-- SERVICE MESSAGE
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if msg.new_chat_member then
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local user_id = msg.new_chat_member.id
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print('Checking invited user '..user_id)
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local banned = banhammer:is_banned(user_id, msg.chat.id)
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if banned then
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print('User is banned!')
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banhammer:kick_user(user_id, msg.chat.id, self, true)
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end
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-- No further checks
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return msg
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end
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-- BANNED USER TALKING
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if msg.chat.type == 'group' or msg.chat.type == 'supergroup' then
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local user_id = msg.from.id
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local chat_id = msg.chat.id
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local banned = banhammer:is_banned(user_id, chat_id)
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if banned then
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print('Banned user talking!')
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banhammer:ban_user(user_id, chat_id, self)
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msg.text = ''
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end
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end
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-- WHITELIST
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local hash = 'whitelist:enabled'
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local whitelist = redis:get(hash)
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local issudo = is_sudo(msg, config)
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-- Allow all sudo users even if whitelist is allowed
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if whitelist and not issudo then
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print('Whitelist enabled and not sudo')
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-- Check if user or chat is whitelisted
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local allowed = banhammer:is_user_whitelisted(msg.from.id)
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local has_been_warned = redis:hget('user:'..msg.from.id, 'has_been_warned')
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if not allowed then
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print('User '..msg.from.id..' not whitelisted')
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if msg.chat.type == 'group' or msg.chat.type == 'supergroup' then
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allowed = banhammer:is_chat_whitelisted(msg.chat.id)
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if not allowed then
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print ('Chat '..msg.chat.id..' not whitelisted')
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else
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print ('Chat '..msg.chat.id..' whitelisted :)')
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end
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else
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if not has_been_warned then
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utilities.send_reply(self, msg, "Dies ist ein privater Bot, der erst nach einer Freischaltung benutzt werden kann.\nThis is a private bot, which can only be after an approval.")
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redis:hset('user:'..msg.from.id, 'has_been_warned', true)
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else
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print('User has already been warned!')
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end
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end
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else
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print('User '..msg.from.id..' allowed :)')
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end
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if not allowed then
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msg.text = ''
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msg.text_lower = ''
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msg.entities = ''
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end
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-- else
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-- print('Whitelist not enabled or is sudo')
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end
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return msg
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end
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function banhammer:action(msg, config, matches)
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if msg.from.id ~= config.admin then
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utilities.send_reply(self, msg, config.errors.sudo)
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return
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end
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if matches[1] == 'ban' then
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local user_id = matches[3]
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local chat_id = msg.chat.id
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if msg.chat.type == 'group' or msg.chat.type == 'supergroup' then
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if matches[2] == 'user' then
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local text = banhammer:ban_user(user_id, chat_id, self)
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utilities.send_reply(self, msg, text)
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return
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end
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if matches[2] == 'delete' then
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local text = banhammer:unban_user(user_id, chat_id, self, msg.chat.type)
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utilities.send_reply(self, msg, text)
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return
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end
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else
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utilities.send_reply(self, msg, 'Das ist keine Chat-Gruppe')
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return
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end
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end
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if matches[1] == 'kick' then
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if msg.chat.type == 'group' or msg.chat.type == 'supergroup' then
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banhammer:kick_user(matches[2], msg.chat.id, self, true)
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return
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else
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utilities.send_reply(self, msg, 'Das ist keine Chat-Gruppe')
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return
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end
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end
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if matches[1] == 'whitelist' then
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if matches[2] == 'enable' then
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local hash = 'whitelist:enabled'
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redis:set(hash, true)
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utilities.send_reply(self, msg, 'Whitelist aktiviert')
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return
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end
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if matches[2] == 'disable' then
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local hash = 'whitelist:enabled'
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redis:del(hash)
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utilities.send_reply(self, msg, 'Whitelist deaktiviert')
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return
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end
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if matches[2] == 'user' then
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local hash = 'whitelist:user#id'..matches[3]
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redis:set(hash, true)
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utilities.send_reply(self, msg, 'User '..matches[3]..' whitelisted')
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return
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end
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if matches[2] == 'chat' then
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if msg.chat.type == 'group' or msg.chat.type == 'supergroup' then
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local hash = 'whitelist:chat#id'..msg.chat.id
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redis:set(hash, true)
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utilities.send_reply(self, msg, 'Chat '..msg.chat.id..' whitelisted')
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return
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else
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utilities.send_reply(self, msg, 'Das ist keine Chat-Gruppe!')
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return
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end
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end
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if matches[2] == 'delete' and matches[3] == 'user' then
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local hash = 'whitelist:user#id'..matches[4]
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redis:del(hash)
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utilities.send_reply(self, msg, 'User '..matches[4]..' von der Whitelist entfernt!')
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return
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end
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if matches[2] == 'delete' and matches[3] == 'chat' then
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if msg.chat.type == 'group' or msg.chat.type == 'supergroup' then
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local hash = 'whitelist:chat#id'..msg.chat.id
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redis:del(hash)
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utilities.send_reply(self, msg, 'Chat '..msg.chat.id..' von der Whitelist entfernt')
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return
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else
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utilities.send_reply(self, msg, 'Das ist keine Chat-Gruppe!')
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return
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end
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end
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end
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end
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return banhammer
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