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fallowlist.lua
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fallowlist.lua
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--[[
mattata v2.0 - Federation: fallowlist
Manages the federation allowlist. Allowlisted users are exempt from
federation bans. Only the federation owner or admins can manage it.
Toggles the user on/off the allowlist.
]]
local tools = require('telegram-bot-lua.tools')
local plugin = {}
plugin.name = 'fallowlist'
plugin.category = 'admin'
plugin.description = 'Toggle a user on the federation allowlist.'
plugin.commands = { 'fallowlist' }
plugin.help = '/fallowlist [user] - Toggle a user on/off the federation allowlist.'
plugin.group_only = true
plugin.admin_only = false
local function resolve_user(message, ctx)
if message.reply and message.reply.from then
return message.reply.from.id, message.reply.from.first_name
end
if message.args and message.args ~= '' then
local input = message.args:match('^(%S+)')
if tonumber(input) then
return tonumber(input), input
end
local username = input:gsub('^@', ''):lower()
local user_id = ctx.redis.get('username:' .. username)
if user_id then
return tonumber(user_id), '@' .. username
end
end
return nil, nil
end
local function get_chat_federation(db, chat_id)
local result = db.execute(
'SELECT f.id, f.name, f.owner_id FROM federations f JOIN federation_chats fc ON f.id = fc.federation_id WHERE fc.chat_id = $1',
{ chat_id }
)
if result and #result > 0 then return result[1] end
return nil
end
local function is_fed_admin(db, fed_id, user_id)
local result = db.execute(
'SELECT 1 FROM federation_admins WHERE federation_id = $1 AND user_id = $2',
{ fed_id, user_id }
)
return result and #result > 0
end
function plugin.on_message(api, message, ctx)
local fed = get_chat_federation(ctx.db, message.chat.id)
if not fed then
return api.send_message(
message.chat.id,
'This chat is not part of any federation.',
'html'
)
end
local from_id = message.from.id
if fed.owner_id ~= from_id and not is_fed_admin(ctx.db, fed.id, from_id) then
return api.send_message(
message.chat.id,
'Only the federation owner or a federation admin can manage the allowlist.',
'html'
)
end
local target_id, target_name = resolve_user(message, ctx)
if not target_id then
return api.send_message(
message.chat.id,
'Please specify a user to toggle on the allowlist by replying to their message or providing a user ID/username.\nUsage: <code>/fallowlist [user]</code>',
'html'
)
end
-- Check if already allowlisted
local existing = ctx.db.execute(
'SELECT 1 FROM federation_allowlist WHERE federation_id = $1 AND user_id = $2',
{ fed.id, target_id }
)
if existing and #existing > 0 then
-- Remove from allowlist
ctx.db.execute(
'DELETE FROM federation_allowlist WHERE federation_id = $1 AND user_id = $2',
{ fed.id, target_id }
)
-- Invalidate Redis cache
ctx.redis.del(string.format('fallowlist:%s:%s', fed.id, target_id))
return api.send_message(
message.chat.id,
string.format(
'<b>%s</b> has been removed from the federation allowlist.',
tools.escape_html(target_name)
),
'html'
)
else
-- Add to allowlist
ctx.db.execute(
'INSERT INTO federation_allowlist (federation_id, user_id) VALUES ($1, $2)',
{ fed.id, target_id }
)
-- Invalidate Redis cache
ctx.redis.del(string.format('fallowlist:%s:%s', fed.id, target_id))
return api.send_message(
message.chat.id,
string.format(
'<b>%s</b> has been added to the federation allowlist.',
tools.escape_html(target_name)
),
'html'
)
end
end
return plugin

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