mirror of
https://github.com/minetest/minetest.git
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578 lines
19 KiB
Lua
578 lines
19 KiB
Lua
-- Minetest: builtin/chatcommands.lua
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--
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-- Chat command handler
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--
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minetest.chatcommands = {}
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function minetest.register_chatcommand(cmd, def)
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def = def or {}
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def.params = def.params or ""
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def.description = def.description or ""
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def.privs = def.privs or {}
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minetest.chatcommands[cmd] = def
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end
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minetest.register_on_chat_message(function(name, message)
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local cmd, param = string.match(message, "^/([^ ]+) *(.*)")
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if not param then
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param = ""
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end
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local cmd_def = minetest.chatcommands[cmd]
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if cmd_def then
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if not cmd_def.func then
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-- This is a C++ command
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return false
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else
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local has_privs, missing_privs = minetest.check_player_privs(name, cmd_def.privs)
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if has_privs then
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cmd_def.func(name, param)
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else
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minetest.chat_send_player(name, "You don't have permission to run this command (missing privileges: "..table.concat(missing_privs, ", ")..")")
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end
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return true -- handled chat message
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end
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end
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return false
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end)
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--
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-- Chat commands
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--
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-- Register C++ commands without functions
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minetest.register_chatcommand("me", {params = nil, description = "chat action (eg. /me orders a pizza)", privs = {shout=true}})
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minetest.register_chatcommand("status", {description = "print server status line"})
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minetest.register_chatcommand("shutdown", {params = "", description = "shutdown server", privs = {server=true}})
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minetest.register_chatcommand("clearobjects", {params = "", description = "clear all objects in world", privs = {server=true}})
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minetest.register_chatcommand("time", {params = "<0...24000>", description = "set time of day", privs = {settime=true}})
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minetest.register_chatcommand("ban", {params = "<name>", description = "ban IP of player", privs = {ban=true}})
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minetest.register_chatcommand("unban", {params = "<name/ip>", description = "remove IP ban", privs = {ban=true}})
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-- Register other commands
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minetest.register_chatcommand("help", {
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privs = {},
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params = "(nothing)/all/privs/<cmd>",
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description = "Get help for commands or list privileges",
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func = function(name, param)
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local format_help_line = function(cmd, def)
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local msg = "/"..cmd
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if def.params and def.params ~= "" then msg = msg .. " " .. def.params end
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if def.description and def.description ~= "" then msg = msg .. ": " .. def.description end
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return msg
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end
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if param == "" then
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local msg = ""
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cmds = {}
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for cmd, def in pairs(minetest.chatcommands) do
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if minetest.check_player_privs(name, def.privs) then
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table.insert(cmds, cmd)
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end
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end
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minetest.chat_send_player(name, "Available commands: "..table.concat(cmds, " "))
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minetest.chat_send_player(name, "Use '/help <cmd>' to get more information, or '/help all' to list everything.")
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elseif param == "all" then
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minetest.chat_send_player(name, "Available commands:")
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for cmd, def in pairs(minetest.chatcommands) do
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if minetest.check_player_privs(name, def.privs) then
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minetest.chat_send_player(name, format_help_line(cmd, def))
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end
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end
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elseif param == "privs" then
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minetest.chat_send_player(name, "Available privileges:")
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for priv, def in pairs(minetest.registered_privileges) do
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minetest.chat_send_player(name, priv..": "..def.description)
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end
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else
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local cmd = param
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def = minetest.chatcommands[cmd]
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if not def then
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minetest.chat_send_player(name, "Command not available: "..cmd)
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else
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minetest.chat_send_player(name, format_help_line(cmd, def))
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end
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end
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end,
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})
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minetest.register_chatcommand("privs", {
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params = "<name>",
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description = "print out privileges of player",
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func = function(name, param)
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if param == "" then
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param = name
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else
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--[[if not minetest.check_player_privs(name, {privs=true}) then
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minetest.chat_send_player(name, "Privileges of "..param.." are hidden from you.")
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return
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end]]
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end
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minetest.chat_send_player(name, "Privileges of "..param..": "..minetest.privs_to_string(minetest.get_player_privs(param), ' '))
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end,
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})
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minetest.register_chatcommand("grant", {
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params = "<name> <privilege>|all",
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description = "Give privilege to player",
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privs = {},
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func = function(name, param)
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if not minetest.check_player_privs(name, {privs=true}) and
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not minetest.check_player_privs(name, {basic_privs=true}) then
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minetest.chat_send_player(name, "Your privileges are insufficient.")
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return
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end
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local grantname, grantprivstr = string.match(param, "([^ ]+) (.+)")
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if not grantname or not grantprivstr then
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minetest.chat_send_player(name, "Invalid parameters (see /help grant)")
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return
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end
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local grantprivs = minetest.string_to_privs(grantprivstr)
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if grantprivstr == "all" then
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grantprivs = minetest.registered_privileges
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end
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local privs = minetest.get_player_privs(grantname)
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local privs_known = true
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for priv, _ in pairs(grantprivs) do
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if priv ~= "interact" and priv ~= "shout" and priv ~= "interact_extra" and not minetest.check_player_privs(name, {privs=true}) then
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minetest.chat_send_player(name, "Your privileges are insufficient.")
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return
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end
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if not minetest.registered_privileges[priv] then
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minetest.chat_send_player(name, "Unknown privilege: "..priv)
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privs_known = false
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end
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privs[priv] = true
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end
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if not privs_known then
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return
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end
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minetest.set_player_privs(grantname, privs)
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minetest.chat_send_player(name, "Privileges of "..grantname..": "..minetest.privs_to_string(minetest.get_player_privs(grantname), ' '))
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if grantname ~= name then
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minetest.chat_send_player(grantname, name.." granted you privileges: "..minetest.privs_to_string(grantprivs, ' '))
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end
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end,
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})
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minetest.register_chatcommand("revoke", {
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params = "<name> <privilege>|all",
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description = "Remove privilege from player",
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privs = {},
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func = function(name, param)
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if not minetest.check_player_privs(name, {privs=true}) and
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not minetest.check_player_privs(name, {basic_privs=true}) then
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minetest.chat_send_player(name, "Your privileges are insufficient.")
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return
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end
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local revokename, revokeprivstr = string.match(param, "([^ ]+) (.+)")
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if not revokename or not revokeprivstr then
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minetest.chat_send_player(name, "Invalid parameters (see /help revoke)")
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return
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end
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local revokeprivs = minetest.string_to_privs(revokeprivstr)
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local privs = minetest.get_player_privs(revokename)
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for priv, _ in pairs(revokeprivs) do
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if priv ~= "interact" and priv ~= "shout" and priv ~= "interact_extra" and not minetest.check_player_privs(name, {privs=true}) then
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minetest.chat_send_player(name, "Your privileges are insufficient.")
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return
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end
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end
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if revokeprivstr == "all" then
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privs = {}
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else
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for priv, _ in pairs(revokeprivs) do
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privs[priv] = nil
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end
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end
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minetest.set_player_privs(revokename, privs)
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minetest.chat_send_player(name, "Privileges of "..revokename..": "..minetest.privs_to_string(minetest.get_player_privs(revokename), ' '))
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if revokename ~= name then
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minetest.chat_send_player(revokename, name.." revoked privileges from you: "..minetest.privs_to_string(revokeprivs, ' '))
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end
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end,
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})
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minetest.register_chatcommand("setpassword", {
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params = "<name> <password>",
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description = "set given password",
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privs = {password=true},
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func = function(name, param)
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local toname, raw_password = string.match(param, "^([^ ]+) +(.+)$")
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if not toname then
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toname = string.match(param, "^([^ ]+) *$")
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raw_password = nil
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end
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if not toname then
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minetest.chat_send_player(name, "Name field required")
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return
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end
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local actstr = "?"
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if not raw_password then
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minetest.set_player_password(toname, "")
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actstr = "cleared"
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else
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minetest.set_player_password(toname, minetest.get_password_hash(toname, raw_password))
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actstr = "set"
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end
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minetest.chat_send_player(name, "Password of player \""..toname.."\" "..actstr)
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if toname ~= name then
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minetest.chat_send_player(toname, "Your password was "..actstr.." by "..name)
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end
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end,
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})
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minetest.register_chatcommand("clearpassword", {
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params = "<name>",
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description = "set empty password",
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privs = {password=true},
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func = function(name, param)
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toname = param
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if not toname then
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minetest.chat_send_player(toname, "Name field required")
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return
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end
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minetest.set_player_password(toname, '')
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minetest.chat_send_player(name, "Password of player \""..toname.."\" cleared")
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end,
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})
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minetest.register_chatcommand("auth_reload", {
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params = "",
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description = "reload authentication data",
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privs = {server=true},
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func = function(name, param)
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local done = minetest.auth_reload()
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if done then
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minetest.chat_send_player(name, "Done.")
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else
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minetest.chat_send_player(name, "Failed.")
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end
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end,
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})
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minetest.register_chatcommand("teleport", {
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params = "<X>,<Y>,<Z> | <to_name> | <name> <X>,<Y>,<Z> | <name> <to_name>",
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description = "teleport to given position",
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privs = {teleport=true},
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func = function(name, param)
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-- Returns (pos, true) if found, otherwise (pos, false)
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local function find_free_position_near(pos)
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local tries = {
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{x=1,y=0,z=0},
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{x=-1,y=0,z=0},
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{x=0,y=0,z=1},
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{x=0,y=0,z=-1},
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}
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for _, d in ipairs(tries) do
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local p = {x = pos.x+d.x, y = pos.y+d.y, z = pos.z+d.z}
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local n = minetest.env:get_node(p)
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if not minetest.registered_nodes[n.name].walkable then
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return p, true
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end
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end
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return pos, false
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end
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local teleportee = nil
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local p = {}
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p.x, p.y, p.z = string.match(param, "^([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
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teleportee = minetest.env:get_player_by_name(name)
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if teleportee and p.x and p.y and p.z then
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minetest.chat_send_player(name, "Teleporting to ("..p.x..", "..p.y..", "..p.z..")")
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teleportee:setpos(p)
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return
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end
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local teleportee = nil
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local p = nil
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local target_name = nil
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target_name = string.match(param, "^([^ ]+)$")
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teleportee = minetest.env:get_player_by_name(name)
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if target_name then
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local target = minetest.env:get_player_by_name(target_name)
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if target then
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p = target:getpos()
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end
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end
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if teleportee and p then
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p = find_free_position_near(p)
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minetest.chat_send_player(name, "Teleporting to "..target_name.." at ("..p.x..", "..p.y..", "..p.z..")")
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teleportee:setpos(p)
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return
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end
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if minetest.check_player_privs(name, {bring=true}) then
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local teleportee = nil
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local p = {}
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local teleportee_name = nil
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teleportee_name, p.x, p.y, p.z = string.match(param, "^([^ ]+) +([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
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if teleportee_name then
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teleportee = minetest.env:get_player_by_name(teleportee_name)
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end
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if teleportee and p.x and p.y and p.z then
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minetest.chat_send_player(name, "Teleporting "..teleportee_name.." to ("..p.x..", "..p.y..", "..p.z..")")
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teleportee:setpos(p)
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return
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end
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local teleportee = nil
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local p = nil
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local teleportee_name = nil
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local target_name = nil
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teleportee_name, target_name = string.match(param, "^([^ ]+) +([^ ]+)$")
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if teleportee_name then
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teleportee = minetest.env:get_player_by_name(teleportee_name)
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end
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if target_name then
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local target = minetest.env:get_player_by_name(target_name)
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if target then
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p = target:getpos()
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end
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end
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if teleportee and p then
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p = find_free_position_near(p)
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minetest.chat_send_player(name, "Teleporting "..teleportee_name.." to "..target_name.." at ("..p.x..", "..p.y..", "..p.z..")")
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teleportee:setpos(p)
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return
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end
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end
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minetest.chat_send_player(name, "Invalid parameters (\""..param.."\") or player not found (see /help teleport)")
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return
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end,
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})
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minetest.register_chatcommand("set", {
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params = "[-n] <name> <value> | <name>",
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description = "set or read server configuration setting",
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privs = {server=true},
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func = function(name, param)
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local arg, setname, setvalue = string.match(param, "(-[n]) ([^ ]+) (.+)")
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if arg and arg == "-n" and setname and setvalue then
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minetest.setting_set(setname, setvalue)
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minetest.chat_send_player(name, setname.." = "..setvalue)
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return
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end
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local setname, setvalue = string.match(param, "([^ ]+) (.+)")
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if setname and setvalue then
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if not minetest.setting_get(setname) then
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minetest.chat_send_player(name, "Failed. Use '/set -n <name> <value>' to create a new setting.")
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return
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end
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minetest.setting_set(setname, setvalue)
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minetest.chat_send_player(name, setname.." = "..setvalue)
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return
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end
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local setname = string.match(param, "([^ ]+)")
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if setname then
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local setvalue = minetest.setting_get(setname)
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if not setvalue then
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setvalue = "<not set>"
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end
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minetest.chat_send_player(name, setname.." = "..setvalue)
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return
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end
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minetest.chat_send_player(name, "Invalid parameters (see /help set)")
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end,
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})
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minetest.register_chatcommand("mods", {
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params = "",
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description = "lists mods installed on the server",
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privs = {},
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func = function(name, param)
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local response = ""
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local modnames = minetest.get_modnames()
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for i, mod in ipairs(modnames) do
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response = response .. mod
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-- Add space if not at the end
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if i ~= #modnames then
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response = response .. " "
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end
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end
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minetest.chat_send_player(name, response)
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end,
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})
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local function handle_give_command(cmd, giver, receiver, stackstring)
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minetest.log("action", giver.." invoked "..cmd..', stackstring="'
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..stackstring..'"')
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minetest.log(cmd..' invoked, stackstring="'..stackstring..'"')
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local itemstack = ItemStack(stackstring)
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if itemstack:is_empty() then
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minetest.chat_send_player(giver, 'error: cannot give an empty item')
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return
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elseif not itemstack:is_known() then
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minetest.chat_send_player(giver, 'error: cannot give an unknown item')
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return
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end
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local receiverref = minetest.env:get_player_by_name(receiver)
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if receiverref == nil then
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minetest.chat_send_player(giver, receiver..' is not a known player')
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return
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end
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local leftover = receiverref:get_inventory():add_item("main", itemstack)
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if leftover:is_empty() then
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partiality = ""
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elseif leftover:get_count() == itemstack:get_count() then
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partiality = "could not be "
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else
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partiality = "partially "
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end
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-- The actual item stack string may be different from what the "giver"
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-- entered (e.g. big numbers are always interpreted as 2^16-1).
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stackstring = itemstack:to_string()
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if giver == receiver then
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minetest.chat_send_player(giver, '"'..stackstring
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..'" '..partiality..'added to inventory.');
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else
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minetest.chat_send_player(giver, '"'..stackstring
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..'" '..partiality..'added to '..receiver..'\'s inventory.');
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minetest.chat_send_player(receiver, '"'..stackstring
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..'" '..partiality..'added to inventory.');
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end
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end
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minetest.register_chatcommand("give", {
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params = "<name> <itemstring>",
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description = "give item to player",
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privs = {give=true},
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func = function(name, param)
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local toname, itemstring = string.match(param, "^([^ ]+) +(.+)$")
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if not toname or not itemstring then
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minetest.chat_send_player(name, "name and itemstring required")
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return
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end
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handle_give_command("/give", name, toname, itemstring)
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end,
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})
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minetest.register_chatcommand("giveme", {
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params = "<itemstring>",
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description = "give item to yourself",
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privs = {give=true},
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func = function(name, param)
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local itemstring = string.match(param, "(.+)$")
|
|
if not itemstring then
|
|
minetest.chat_send_player(name, "itemstring required")
|
|
return
|
|
end
|
|
handle_give_command("/giveme", name, name, itemstring)
|
|
end,
|
|
})
|
|
minetest.register_chatcommand("spawnentity", {
|
|
params = "<entityname>",
|
|
description = "spawn entity at your position",
|
|
privs = {give=true, interact=true},
|
|
func = function(name, param)
|
|
local entityname = string.match(param, "(.+)$")
|
|
if not entityname then
|
|
minetest.chat_send_player(name, "entityname required")
|
|
return
|
|
end
|
|
print('/spawnentity invoked, entityname="'..entityname..'"')
|
|
local player = minetest.env:get_player_by_name(name)
|
|
if player == nil then
|
|
print("Unable to spawn entity, player is nil")
|
|
return true -- Handled chat message
|
|
end
|
|
local p = player:getpos()
|
|
p.y = p.y + 1
|
|
minetest.env:add_entity(p, entityname)
|
|
minetest.chat_send_player(name, '"'..entityname
|
|
..'" spawned.');
|
|
end,
|
|
})
|
|
minetest.register_chatcommand("pulverize", {
|
|
params = "",
|
|
description = "delete item in hand",
|
|
privs = {},
|
|
func = function(name, param)
|
|
local player = minetest.env:get_player_by_name(name)
|
|
if player == nil then
|
|
print("Unable to pulverize, player is nil")
|
|
return true -- Handled chat message
|
|
end
|
|
if player:get_wielded_item():is_empty() then
|
|
minetest.chat_send_player(name, 'Unable to pulverize, no item in hand.')
|
|
else
|
|
player:set_wielded_item(nil)
|
|
minetest.chat_send_player(name, 'An item was pulverized.')
|
|
end
|
|
end,
|
|
})
|
|
|
|
-- Key = player name
|
|
minetest.rollback_punch_callbacks = {}
|
|
|
|
minetest.register_on_punchnode(function(pos, node, puncher)
|
|
local name = puncher:get_player_name()
|
|
if minetest.rollback_punch_callbacks[name] then
|
|
minetest.rollback_punch_callbacks[name](pos, node, puncher)
|
|
minetest.rollback_punch_callbacks[name] = nil
|
|
end
|
|
end)
|
|
|
|
minetest.register_chatcommand("rollback_check", {
|
|
params = "[<range>] [<seconds>]",
|
|
description = "check who has last touched a node or near it, "..
|
|
"max. <seconds> ago (default range=0, seconds=86400=24h)",
|
|
privs = {rollback=true},
|
|
func = function(name, param)
|
|
local range, seconds = string.match(param, "(%d+) *(%d*)")
|
|
range = tonumber(range) or 0
|
|
seconds = tonumber(seconds) or 86400
|
|
minetest.chat_send_player(name, "Punch a node (limits set: range="..
|
|
dump(range).." seconds="..dump(seconds).."s)")
|
|
minetest.rollback_punch_callbacks[name] = function(pos, node, puncher)
|
|
local name = puncher:get_player_name()
|
|
minetest.chat_send_player(name, "Checking...")
|
|
local actor, act_p, act_seconds =
|
|
minetest.rollback_get_last_node_actor(pos, range, seconds)
|
|
if actor == "" then
|
|
minetest.chat_send_player(name, "Nobody has touched the "..
|
|
"specified location in "..dump(seconds).." seconds")
|
|
return
|
|
end
|
|
local nodedesc = "this node"
|
|
if act_p.x ~= pos.x or act_p.y ~= pos.y or act_p.z ~= pos.z then
|
|
nodedesc = minetest.pos_to_string(act_p)
|
|
end
|
|
local nodename = minetest.env:get_node(act_p).name
|
|
minetest.chat_send_player(name, "Last actor on "..nodedesc..
|
|
" was "..actor..", "..dump(act_seconds)..
|
|
"s ago (node is now "..nodename..")")
|
|
end
|
|
end,
|
|
})
|
|
|
|
minetest.register_chatcommand("rollback", {
|
|
params = "<player name> [<seconds>] | :<actor> [<seconds>]",
|
|
description = "revert actions of a player; default for <seconds> is 60",
|
|
privs = {rollback=true},
|
|
func = function(name, param)
|
|
local target_name, seconds = string.match(param, ":([^ ]+) *(%d*)")
|
|
if not target_name then
|
|
local player_name = nil;
|
|
player_name, seconds = string.match(param, "([^ ]+) *(%d*)")
|
|
if not player_name then
|
|
minetest.chat_send_player(name, "Invalid parameters. See /help rollback and /help rollback_check")
|
|
return
|
|
end
|
|
target_name = "player:"..player_name
|
|
end
|
|
seconds = tonumber(seconds) or 60
|
|
minetest.chat_send_player(name, "Reverting actions of "..
|
|
dump(target_name).." since "..dump(seconds).." seconds.")
|
|
local success, log = minetest.rollback_revert_actions_by(
|
|
target_name, seconds)
|
|
if #log > 10 then
|
|
minetest.chat_send_player(name, "(log is too long to show)")
|
|
else
|
|
for _,line in ipairs(log) do
|
|
minetest.chat_send_player(name, line)
|
|
end
|
|
end
|
|
if success then
|
|
minetest.chat_send_player(name, "Reverting actions succeeded.")
|
|
else
|
|
minetest.chat_send_player(name, "Reverting actions FAILED.")
|
|
end
|
|
end,
|
|
})
|
|
|