Plugins, REPL, auth, config.
parent
ae280f16e0
commit
7062c3a7ff
25
core/bot.lua
25
core/bot.lua
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@ -20,7 +20,6 @@ end
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function bot:OnChannelMessage(Username, Channel, Message)
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function bot:OnChannelMessage(Username, Channel, Message)
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if Message:sub(1,#self._prefix) == self._prefix then
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if Message:sub(1,#self._prefix) == self._prefix then
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local String = Message:sub(#self._prefix + 1)
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local String = Message:sub(#self._prefix + 1)
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print(String)
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local Command
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local Command
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local Arguments = {}
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local Arguments = {}
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for Part in String:gmatch("%S+") do
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for Part in String:gmatch("%S+") do
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@ -35,11 +34,33 @@ function bot:OnChannelMessage(Username, Channel, Message)
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Channel:Say("Unknown command '" .. Command .. "'.")
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Channel:Say("Unknown command '" .. Command .. "'.")
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else
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else
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local CommandData = self._commands[Command]
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local CommandData = self._commands[Command]
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if #Arguments ~= CommandData.Arguments then
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if #Arguments ~= CommandData.Arguments and CommandData.Arguments ~= -1 then
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Channel:Say(string.format("Command '%s' expects '%i' arguments, got '%i'.",
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Channel:Say(string.format("Command '%s' expects '%i' arguments, got '%i'.",
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Command, CommandData.Arguments, #Arguments))
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Command, CommandData.Arguments, #Arguments))
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else
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else
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-- -1 means we want a raw string
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if CommandData.Arguments == -1 then
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if #Arguments < 1 then
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Channel:Say("Please provide an argument.")
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return
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end
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Arguments = { table.concat(Arguments, ' ') }
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end
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local RequiredAccess = CommandData.Access
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if RequiredAcess == 0 then
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CommandData.Callback(Username, Channel, unpack(Arguments))
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CommandData.Callback(Username, Channel, unpack(Arguments))
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return
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end
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local UserAccess = hook.Call("auth.GetLevel", Channel, Username)
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if not UserAccess then
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Channel:Say("Could not run command because auth backend is missing.")
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return
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end
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if UserAccess >= RequiredAccess then
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CommandData.Callback(Username, Channel, unpack(Arguments))
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else
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Channel:Say(string.format("Unsufficient access level (%i required).", RequiredAccess))
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end
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end
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end
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end
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end
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end
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end
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@ -0,0 +1,40 @@
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config = {}
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function config:Load(filename)
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local File, Message = io.open(filename, "r")
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if not File then
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error("Could not open config file: " .. Message)
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end
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self.Sections = {}
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local CurrentSection = "Default"
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self.Sections[CurrentSection] = {}
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local Data = File:read('*a')
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Data:gsub("(.-)\r?\n", function(line)
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local Line = line:gsub("(#.*)", "")
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Line = Line:gsub("^%s*(.-)%s*$", "%1")
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if Line:len() == 0 then
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return
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end
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local Section = Line:match("%[([a-zA-Z0-9%-]+)%]")
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if Section ~= nil then
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CurrentSection = Section
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self.Sections[CurrentSection] = {}
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else
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local Key, Value = Line:match("([^= ]+) *= *([^=]+)")
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print(Key,Value)
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if Key ~= nil and Value ~= nil then
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self.Sections[CurrentSection][Key] = Value
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end
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end
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end)
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end
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function config:Get(Section, Key)
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if self.Sections[Section] == nil then
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return nil
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end
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return self.Sections[Section][Key]
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end
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@ -4,6 +4,8 @@
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-- The goal is to be able to unload a plugin and remove all its' hooks
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-- The goal is to be able to unload a plugin and remove all its' hooks
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-- and commands.
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-- and commands.
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require('lfs')
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local Plugins = {}
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local Plugins = {}
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plugin = {}
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plugin = {}
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@ -19,10 +21,10 @@ function API.AddHook(plugin_id, event_name, hook_name, callback)
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HookInfo.EventName = event_name
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HookInfo.EventName = event_name
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HookInfo.HookName = HookName
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HookInfo.HookName = HookName
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PluginHooks[#PluginHooks + 1] = Info
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PluginHooks[#PluginHooks + 1] = HookInfo
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hook.Add(event_name, HookName, function(...)
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hook.Add(event_name, HookName, function(...)
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local Args = {...}
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local Args = {...}
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local Success, Message = pcall(callback(unpack(Args)))
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local Success, Message = pcall(callback, unpack(Args))
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if not Success then
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if not Success then
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hook.Call("plugin.HookCallFailed", HookName, Message)
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hook.Call("plugin.HookCallFailed", HookName, Message)
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return nil
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return nil
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@ -33,7 +35,10 @@ function API.AddHook(plugin_id, event_name, hook_name, callback)
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end
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end
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function API.AddCommand(plugin_id, command_name, arity, callback, access, help)
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function API.AddCommand(plugin_id, command_name, arity, callback, access, help)
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bot:AddCommand(command_name, arity, callback, access, help)
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bot:AddCommand(command_name, arity, function(...)
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plugin.Quota(5)
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return callback(...)
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end, access, help)
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local PluginCommands = Plugins[plugin_id].Commands
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local PluginCommands = Plugins[plugin_id].Commands
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PluginCommands[#PluginCommands + 1] = command_name
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PluginCommands[#PluginCommands + 1] = command_name
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end
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end
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@ -51,6 +56,20 @@ function API.CurrentTime(plugin_id)
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return os.time()
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return os.time()
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end
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end
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function API.ConfigGet(plugin_id, Key)
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return config:Get("plugin-" .. plugin_id, Key)
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end
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function plugin.Quota(seconds)
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local Start = os.time()
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debug.sethook(function()
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if os.time() - Start > seconds then
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debug.sethook()
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error("Time quota exceeded.")
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end
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end, "", 100000)
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end
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function plugin.Create(plugin_id)
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function plugin.Create(plugin_id)
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local Plugin = {}
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local Plugin = {}
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Plugin.Hooks = {}
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Plugin.Hooks = {}
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@ -97,6 +116,22 @@ function plugin.PrepareEnvironment(plugin_id)
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Env.table = require('table')
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Env.table = require('table')
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Env.string = require('string')
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Env.string = require('string')
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Env.json = require('json')
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Env.json = require('json')
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Env.DBI = require('DBI')
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Env.print = print
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Env.error = error
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Env.tonumber = tonumber
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Env.tostring = tostring
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Env.pcall = pcall
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Env.loadstring = function(s)
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if s:byte(1) == 27 then
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return nil, "Refusing to load bytecode"
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else
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return loadstring(s)
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end
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end
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Env.setfenv = setfenv
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Env.pairs = pairs
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Env._G = Env
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Env.plugin = {}
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Env.plugin = {}
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for K, F in pairs(API) do
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for K, F in pairs(API) do
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@ -156,3 +191,25 @@ function plugin.AddRuntimeCommands()
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end
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end
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end, "Unload a previously loaded plugin.", 100)
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end, "Unload a previously loaded plugin.", 100)
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end
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end
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function plugin.Discover()
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for Filename in lfs.dir('plugins/') do
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local FullFilename = 'plugins/' .. Filename
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local Attributes = lfs.attributes(FullFilename)
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if Attributes.mode == 'file' and FullFilename:sub(-4) == '.lua' then
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local PluginName = Filename:sub(1, -5)
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hook.Call('info', 'Loading plugin ' .. PluginName)
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local File, Message = io.open(FullFilename)
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if not File then
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hook.Call('info', 'Skipping: ' .. Message)
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else
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local Data = File:read('*a')
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local Success, Message = plugin.RunCode(PluginName, Data)
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if not Success then
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error(string.format("Could not load plugin %s: %s.", PluginName, Message))
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end
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end
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end
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end
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end
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@ -0,0 +1,13 @@
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[irc]
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server = irc.freenode.net
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port = 6667
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nickname = moonspeak
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username = moonspeak
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realname = moonspeak
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[plugin-auth-postgres]
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server = 1.1.1.1
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username = user
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database = db
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password = pass
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@ -0,0 +1,29 @@
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postgres = {}
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local function check_connection()
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if not postgres.db or not postgres.db:ping() then
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local Server = plugin.ConfigGet('server')
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local Username = plugin.ConfigGet('username')
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local Password = plugin.ConfigGet('password')
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local Database = plugin.ConfigGet('database')
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local Port = tonumber(plugin.ConfigGet('port')) or 5432
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postgres.db = DBI.Connect('PostgreSQL', Database, Username, Password, Server, Port)
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end
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if not postgres.db then
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error("Could not connect to the PostgreSQL database!")
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return false
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end
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return true
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end
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plugin.AddHook('auth.GetLevel', 'GetLevel', function(Channel, Account)
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if check_connection() then
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local Statement = postgres.db:prepare("select _level from _level where _account = ? and _channel = ?")
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print(Account, Channel.Name)
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Statement:execute(Account, Channel.Name)
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for Row in Statement:rows(true) do
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return tonumber(Row._level)
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end
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return 0
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end
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end)
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@ -0,0 +1,24 @@
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plugin.AddCommand('eval', -1, function(User, Channel, String)
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local Function, Message = loadstring(String)
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if not Function then
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Channel:Say("Parse error: " .. Message)
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return
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end
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local Env = {}
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for K, V in pairs(_G) do
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Env[K] = V
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end
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Env.plugin = nil
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Env.loadstring = nil
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Env.pcall = nil
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Env.setfenv = nil
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Env._G = Env
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setfenv(Function, Env)
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local Result, Message = pcall(Function)
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if Result then
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Channel:Say("OK -> " .. tostring(Message))
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else
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Channel:Say("Error -> " .. tostring(Message))
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end
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end, "Runs a Lua command in a sandbox.", 10)
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33
start.lua
33
start.lua
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@ -1,13 +1,10 @@
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require('core.hook')
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require('core.hook')
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require('core.config')
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require('core.reactor')
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require('core.reactor')
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require('core.irc')
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require('core.irc')
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require('core.bot')
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require('core.bot')
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require('core.plugin')
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require('core.plugin')
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require('socket')
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local https = require('ssl.https')
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require('json')
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hook.Add('info', 'repl-info', function(Message)
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hook.Add('info', 'repl-info', function(Message)
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print('INFO: ' .. Message)
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print('INFO: ' .. Message)
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end)
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end)
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@ -16,26 +13,24 @@ hook.Add('debug', 'repl-debug', function(Message)
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print('DEBUG: ' .. Message)
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print('DEBUG: ' .. Message)
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end)
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end)
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hook.Add('plugin.HookCallFailed', 'repl-debug', function(Name, Message)
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print(string.format("Plugin hook call failed! %s: %s", Name, Message))
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end)
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hook.Add('irc.Connected', 'repl-connected', function()
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hook.Add('irc.Connected', 'repl-connected', function()
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irc:Join('#hackerspace-pl-bottest')
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irc:Join('#hackerspace-pl-bottest')
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end)
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end)
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config:Load('moonspeak.ini')
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local Server = config:Get('irc', 'server')
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local Port = tonumber(config:Get('irc', 'port')) or 6667
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local Nickname = config:Get('irc', 'nickname')
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local Username = config:Get('irc', 'username')
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local Realname = config:Get('irc', 'realname')
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reactor:Initialize()
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reactor:Initialize()
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bot:Initialize(irc, ',')
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bot:Initialize(irc, ',')
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plugin.AddRuntimeCommands()
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plugin.AddRuntimeCommands()
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--[[bot:AddCommand('at', 0, function(Username, Channel)
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plugin.Discover()
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local Body, Code, Headers, Status = https.request('https://at.hackerspace.pl/api')
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irc:Connect(Server, Port, Nickname, Username, Realname)
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if Code ~= 200 then
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error(string.format("Status code returned: %i", Code))
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end
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local Data = json.decode.decode(Body)
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local Users = {}
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for K, User in pairs(Data.users) do
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Users[#Users + 1] = User.login
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end
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Channel:Say(table.concat(Users, ','))
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end, "Show who's at the Warsaw Hackerspace.")]]--
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irc:Connect('irc.freenode.net', 6667, 'moonspeak', 'moonspeak', 'moonspeak')
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reactor:Run()
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reactor:Run()
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