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Mikubot-2/plugins/moderation.lua

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-- Moderation for Liberbot groups.
-- The bot must be made an admin.
-- Put this near the top, after blacklist.
-- If you want to enable antisquig, put that at the top, before blacklist.
if not database.moderation then
database.moderation = {}
end
local antisquig = {}
local commands = {
['^/modhelp[@'..bot.username..']*$'] = function(msg)
if not database.moderation[msg.chat.id_str] then return end
local output = [[
*Users:*
/modlist - List the moderators and administrators of this group.
*Moderators:*
/modkick - Kick a user from this group.
/modban - Ban a user from this group.
*Administrators:*
/modadd - Add this group to the moderation system.
/modrem - Remove this group from the moderation system.
/modprom - Promote a user to a moderator.
/moddem - Demote a moderator to a user.
/modcast - Send a broadcast to every moderated group.
]]
output = output:gsub('\t', '')
sendMessage(msg.chat.id, output, true, nil, true)
end,
['^/modlist[@'..bot.username..']*$'] = function(msg)
if not database.moderation[msg.chat.id_str] then return end
local output = ''
for k,v in pairs(database.moderation[msg.chat.id_str]) do
output = output .. '' .. v .. ' (' .. k .. ')\n'
end
if output ~= '' then
output = '*Moderators for* _' .. msg.chat.title .. '_ *:*\n' .. output
end
output = output .. '*Administrators for* _' .. config.moderation.realm_name .. '_ *:*\n'
for k,v in pairs(config.moderation.admins) do
output = output .. '' .. v .. ' (' .. k .. ')\n'
end
sendMessage(msg.chat.id, output, true, nil, true)
end,
['^/modcast[@'..bot.username..']*'] = function(msg)
local output = msg.text:input()
if not output then
return 'You must include a message.'
end
if msg.chat.id ~= config.moderation.admin_group then
return 'This command must be run in the administration group.'
end
if not config.moderation.admins[msg.from.id_str] then
return config.moderation.errors.not_admin
end
output = '*Admin Broadcast:*\n' .. output
for k,v in pairs(database.moderation) do
sendMessage(k, output, true, nil, true)
end
return 'Your broadcast has been sent.'
end,
['^/modadd[@'..bot.username..']*$'] = function(msg)
if not config.moderation.admins[msg.from.id_str] then
return config.moderation.errors.not_admin
end
if database.moderation[msg.chat.id_str] then
return 'I am already moderating this group.'
end
database.moderation[msg.chat.id_str] = {}
return 'I am now moderating this group.'
end,
['^/modrem[@'..bot.username..']*$'] = function(msg)
if not config.moderation.admins[msg.from.id_str] then
return config.moderation.errors.not_admin
end
if not database.moderation[msg.chat.id_str] then
return config.moderation.errors.moderation
end
database.moderation[msg.chat.id_str] = nil
return 'I am no longer moderating this group.'
end,
['^/modprom[@'..bot.username..']*$'] = function(msg)
if not database.moderation[msg.chat.id_str] then return end
if not config.moderation.admins[msg.from.id_str] then
return config.moderation.errors.not_admin
end
if not msg.reply_to_message then
return 'Promotions must be done via reply.'
end
local modid = tostring(msg.reply_to_message.from.id)
local modname = msg.reply_to_message.from.first_name
if config.moderation.admins[modid] then
return modname .. ' is already an administrator.'
end
if database.moderation[msg.chat.id_str][modid] then
return modname .. ' is already a moderator.'
end
database.moderation[msg.chat.id_str][modid] = modname
return modname .. ' is now a moderator.'
end,
['^/moddem[@'..bot.username..']*'] = function(msg)
if not database.moderation[msg.chat.id_str] then return end
if not config.moderation.admins[msg.from.id_str] then
return config.moderation.errors.not_admin
end
local modid = msg.text:input()
if not modid then
if msg.reply_to_message then
modid = tostring(msg.reply_to_message.from.id)
else
return 'Demotions must be done via reply or specification of a moderator\'s ID.'
end
end
if config.moderation.admins[modid] then
return config.moderation.admins[modid] .. ' is an administrator.'
end
if not database.moderation[msg.chat.id_str][modid] then
return 'User is not a moderator.'
end
local modname = database.moderation[msg.chat.id_str][modid]
database.moderation[msg.chat.id_str][modid] = nil
return modname .. ' is no longer a moderator.'
end,
['/modkick[@'..bot.username..']*'] = function(msg)
if not database.moderation[msg.chat.id_str] then return end
if not database.moderation[msg.chat.id_str][msg.from.id_str] then
if not config.moderation.admins[msg.from.id_str] then
return config.moderation.errors.not_mod
end
end
local userid = msg.text:input()
local usernm = userid
if msg.reply_to_message then
userid = tostring(msg.reply_to_message.from.id)
usernm = msg.reply_to_message.from.first_name
end
if not userid then
return 'Kicks must be done via reply or specification of a user/bot\'s ID or username.'
end
if database.moderation[msg.chat.id_str][userid] or config.moderation.admins[userid] then
return 'You cannot kick a moderator.'
end
sendMessage(config.moderation.admin_group, '/kick ' .. userid .. ' from ' .. math.abs(msg.chat.id))
sendMessage(config.moderation.admin_group, usernm .. ' kicked from ' .. msg.chat.title .. ' by ' .. msg.from.first_name .. '.')
end,
['^/modban[@'..bot.username..']*'] = function(msg)
if not database.moderation[msg.chat.id_str] then return end
if not database.moderation[msg.chat.id_str][msg.from.id_str] then
if not config.moderation.admins[msg.from.id_str] then
return config.moderation.errors.not_mod
end
end
local userid = msg.text:input()
local usernm = userid
if msg.reply_to_message then
userid = tostring(msg.reply_to_message.from.id)
usernm = msg.reply_to_message.from.first_name
end
if not userid then
return 'Kicks must be done via reply or specification of a user/bot\'s ID or username.'
end
if database.moderation[msg.chat.id_str][userid] or config.moderation.admins[userid] then
return 'You cannot ban a moderator.'
end
sendMessage(config.moderation.admin_group, '/ban ' .. userid .. ' from ' .. math.abs(msg.chat.id))
sendMessage(config.moderation.admin_group, usernm .. ' banned from ' .. msg.chat.title .. ' by ' .. msg.from.first_name .. '.')
end
}
if config.moderation.antisquig then
commands['[\216-\219][\128-\191]'] = function(msg)
if not database.moderation[msg.chat.id_str] then return true end
if config.moderation.admins[msg.from.id_str] then return true end
if database.moderation[msg.chat.id_str][msg.from.id_str] then return true end
if antisquig[msg.from.id] == true then
return
end
antisquig[msg.from.id] = true
sendReply(msg, config.moderation.errors.antisquig)
sendMessage(config.moderation.admin_group, '/kick ' .. msg.from.id .. ' from ' .. math.abs(msg.chat.id))
sendMessage(config.moderation.admin_group, 'ANTISQUIG: ' .. msg.from.first_name .. ' kicked from ' .. msg.chat.title .. '.')
end
end
local triggers = {}
for k,v in pairs(commands) do
table.insert(triggers, k)
end
local action = function(msg)
for k,v in pairs(commands) do
if string.match(msg.text_lower, k) then
local output = v(msg)
if output == true then
return true
elseif output then
sendReply(msg, output)
end
return
end
end
return true
end
-- When a user is kicked for squiggles, his ID is added to this table.
-- That user will not be kicked again as long as his ID is in the table.
-- The table is emptied every five seconds.
-- Thus the bot will not spam the group or admin group when a user posts more than one infringing messages.
local cron = function()
antisquig = {}
end
return {
action = action,
triggers = triggers,
cron = cron
}