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antilink.lua
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antilink.lua
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--[[
mattata v2.0 - Anti-Link Plugin
]]
local plugin = {}
plugin.name = 'antilink'
plugin.category = 'admin'
plugin.description = 'Toggle anti-link mode to delete Telegram invite links from non-admins'
plugin.commands = { 'antilink' }
plugin.help = '/antilink <on|off> - Toggle anti-link mode.'
plugin.group_only = true
plugin.admin_only = true
local INVITE_PATTERNS = {
'[Tt]%.?[Mm][Ee]/[Jj][Oo][Ii][Nn][Cc][Hh][Aa][Tt]/[%w_%-]+',
'[Tt]%.?[Mm][Ee]/[%+][%w_%-]+',
'[Tt][Ee][Ll][Ee][Gg][Rr][Aa][Mm]%.?[Mm][Ee]/[Jj][Oo][Ii][Nn][Cc][Hh][Aa][Tt]/[%w_%-]+',
'[Tt][Ee][Ll][Ee][Gg][Rr][Aa][Mm]%.?[Dd][Oo][Gg]/[Jj][Oo][Ii][Nn][Cc][Hh][Aa][Tt]/[%w_%-]+',
'[Tt][Gg]://[Jj][Oo][Ii][Nn]%?[Ii][Nn][Vv][Ii][Tt][Ee]=[%w_%-]+'
}
function plugin.on_message(api, message, ctx)
if not message.args then
local enabled = ctx.db.call('sp_get_chat_setting', { message.chat.id, 'antilink_enabled' })
local status = (enabled and #enabled > 0 and enabled[1].value == 'true') and 'enabled' or 'disabled'
return api.send_message(message.chat.id, string.format(
'Anti-link is currently <b>%s</b>.\nUsage: /antilink <on|off>', status
), { parse_mode = 'html' })
end
local arg = message.args:lower()
if arg == 'on' or arg == 'enable' then
ctx.db.call('sp_upsert_chat_setting', { message.chat.id, 'antilink_enabled', 'true' })
require('src.core.session').invalidate_setting(message.chat.id, 'antilink_enabled')
return api.send_message(message.chat.id, 'Anti-link has been enabled. Telegram invite links from non-admins will be deleted.')
elseif arg == 'off' or arg == 'disable' then
ctx.db.call('sp_upsert_chat_setting', { message.chat.id, 'antilink_enabled', 'false' })
require('src.core.session').invalidate_setting(message.chat.id, 'antilink_enabled')
return api.send_message(message.chat.id, 'Anti-link has been disabled.')
else
return api.send_message(message.chat.id, 'Usage: /antilink <on|off>')
end
end
function plugin.on_new_message(api, message, ctx)
if not ctx.is_group or not message.text or message.text == '' then return end
if ctx.is_global_admin or ctx:check_admin() then return end
if not require('src.core.permissions').can_delete(api, message.chat.id) then return end
-- check if antilink is enabled (cached)
local session = require('src.core.session')
local enabled = session.get_cached_setting(message.chat.id, 'antilink_enabled', function()
local result = ctx.db.call('sp_get_chat_setting', { message.chat.id, 'antilink_enabled' })
if result and #result > 0 then return result[1].value end
return nil
end, 300)
if enabled ~= 'true' then
return
end
-- check if user is trusted
local permissions = require('src.core.permissions')
if permissions.is_trusted(ctx.db, message.chat.id, message.from.id) then
return
end
-- build full text including entity urls
local text = message.text
if message.entities then
for _, entity in ipairs(message.entities) do
if entity.type == 'text_link' and entity.url then
text = text .. ' ' .. entity.url
end
end
end
-- check for allowed links
for _, pattern in ipairs(INVITE_PATTERNS) do
if text:match(pattern) then
-- check if link is allowed
local link = text:match(pattern)
local allowed = ctx.db.call('sp_check_allowed_link', { message.chat.id, link })
if not allowed or #allowed == 0 then
api.delete_message(message.chat.id, message.message_id)
local tools = require('telegram-bot-lua.tools')
api.send_message(message.chat.id, string.format(
'<a href="tg://user?id=%d">%s</a>, invite links are not allowed in this group.',
message.from.id, tools.escape_html(message.from.first_name)
), { parse_mode = 'html' })
return
end
end
end
end
return plugin

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