1360 lines
40 KiB
Lua
1360 lines
40 KiB
Lua
-- Minetest: builtin/game/chat.lua
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local S = core.get_translator("__builtin")
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-- Helper function that implements search and replace without pattern matching
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-- Returns the string and a boolean indicating whether or not the string was modified
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local function safe_gsub(s, replace, with)
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local i1, i2 = s:find(replace, 1, true)
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if not i1 then
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return s, false
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end
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return s:sub(1, i1 - 1) .. with .. s:sub(i2 + 1), true
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end
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--
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-- Chat message formatter
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--
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-- Implemented in Lua to allow redefinition
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function core.format_chat_message(name, message)
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local error_str = "Invalid chat message format - missing %s"
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local str = core.settings:get("chat_message_format")
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local replaced
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-- Name
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str, replaced = safe_gsub(str, "@name", name)
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if not replaced then
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error(error_str:format("@name"), 2)
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end
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-- Timestamp
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str = safe_gsub(str, "@timestamp", os.date("%H:%M:%S", os.time()))
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-- Insert the message into the string only after finishing all other processing
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str, replaced = safe_gsub(str, "@message", message)
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if not replaced then
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error(error_str:format("@message"), 2)
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end
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return str
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end
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--
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-- Chat command handler
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--
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core.chatcommands = core.registered_chatcommands -- BACKWARDS COMPATIBILITY
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local msg_time_threshold =
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tonumber(core.settings:get("chatcommand_msg_time_threshold")) or 0.1
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core.register_on_chat_message(function(name, message)
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if message:sub(1,1) ~= "/" then
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return
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end
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local cmd, param = string.match(message, "^/([^ ]+) *(.*)")
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if not cmd then
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core.chat_send_player(name, "-!- "..S("Empty command."))
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return true
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end
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param = param or ""
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-- Run core.registered_on_chatcommands callbacks.
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if core.run_callbacks(core.registered_on_chatcommands, 5, name, cmd, param) then
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return true
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end
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local cmd_def = core.registered_chatcommands[cmd]
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if not cmd_def then
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core.chat_send_player(name, "-!- "..S("Invalid command: @1", cmd))
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return true
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end
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local has_privs, missing_privs = core.check_player_privs(name, cmd_def.privs)
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if has_privs then
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core.set_last_run_mod(cmd_def.mod_origin)
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local t_before = core.get_us_time()
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local success, result = cmd_def.func(name, param)
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local delay = (core.get_us_time() - t_before) / 1000000
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if success == false and result == nil then
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core.chat_send_player(name, "-!- "..S("Invalid command usage."))
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local help_def = core.registered_chatcommands["help"]
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if help_def then
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local _, helpmsg = help_def.func(name, cmd)
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if helpmsg then
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core.chat_send_player(name, helpmsg)
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end
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end
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else
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if delay > msg_time_threshold then
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-- Show how much time it took to execute the command
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if result then
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result = result .. core.colorize("#f3d2ff", S(" (@1 s)",
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string.format("%.5f", delay)))
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else
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result = core.colorize("#f3d2ff", S(
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"Command execution took @1 s",
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string.format("%.5f", delay)))
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end
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end
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if result then
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core.chat_send_player(name, result)
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end
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end
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else
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core.chat_send_player(name,
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S("You don't have permission to run this command "
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.. "(missing privileges: @1).",
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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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if core.settings:get_bool("profiler.load") then
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-- Run after register_chatcommand and its register_on_chat_message
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-- Before any chatcommands that should be profiled
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profiler.init_chatcommand()
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end
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-- Parses a "range" string in the format of "here (number)" or
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-- "(x1, y1, z1) (x2, y2, z2)", returning two position vectors
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local function parse_range_str(player_name, str)
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local p1, p2
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local args = str:split(" ")
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if args[1] == "here" then
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p1, p2 = core.get_player_radius_area(player_name, tonumber(args[2]))
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if p1 == nil then
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return false, S("Unable to get position of player @1.", player_name)
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end
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else
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local player = core.get_player_by_name(player_name)
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local relpos
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if player then
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relpos = player:get_pos()
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end
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p1, p2 = core.string_to_area(str, relpos)
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if p1 == nil or p2 == nil then
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return false, S("Incorrect area format. "
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.. "Expected: (x1,y1,z1) (x2,y2,z2)")
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end
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end
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return p1, p2
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end
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--
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-- Chat commands
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--
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core.register_chatcommand("me", {
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params = S("<action>"),
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description = S("Show chat action (e.g., '/me orders a pizza' "
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.. "displays '<player name> orders a pizza')"),
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privs = {shout=true},
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func = function(name, param)
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core.chat_send_all("* " .. name .. " " .. param)
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return true
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end,
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})
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core.register_chatcommand("admin", {
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description = S("Show the name of the server owner"),
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func = function(name)
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local admin = core.settings:get("name")
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if admin then
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return true, S("The administrator of this server is @1.", admin)
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else
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return false, S("There's no administrator named "
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.. "in the config file.")
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end
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end,
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})
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local function privileges_of(name, privs)
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if not privs then
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privs = core.get_player_privs(name)
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end
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local privstr = core.privs_to_string(privs, ", ")
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if privstr == "" then
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return S("@1 does not have any privileges.", name)
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else
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return S("Privileges of @1: @2", name, privstr)
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end
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end
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core.register_chatcommand("privs", {
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params = S("[<name>]"),
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description = S("Show privileges of yourself or another player"),
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func = function(caller, param)
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param = param:trim()
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local name = (param ~= "" and param or caller)
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if not core.player_exists(name) then
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return false, S("Player @1 does not exist.", name)
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end
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return true, privileges_of(name)
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end,
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})
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core.register_chatcommand("haspriv", {
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params = S("<privilege>"),
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description = S("Return list of all online players with privilege"),
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privs = {basic_privs = true},
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func = function(caller, param)
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param = param:trim()
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if param == "" then
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return false, S("Invalid parameters (see /help haspriv).")
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end
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if not core.registered_privileges[param] then
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return false, S("Unknown privilege!")
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end
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local privs = core.string_to_privs(param)
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local players_with_priv = {}
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for _, player in pairs(core.get_connected_players()) do
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local player_name = player:get_player_name()
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if core.check_player_privs(player_name, privs) then
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table.insert(players_with_priv, player_name)
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end
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end
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if #players_with_priv == 0 then
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return true, S("No online player has the \"@1\" privilege.",
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param)
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else
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return true, S("Players online with the \"@1\" privilege: @2",
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param,
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table.concat(players_with_priv, ", "))
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end
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end
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})
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local function handle_grant_command(caller, grantname, grantprivstr)
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local caller_privs = core.get_player_privs(caller)
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if not (caller_privs.privs or caller_privs.basic_privs) then
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return false, S("Your privileges are insufficient.")
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end
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if not core.get_auth_handler().get_auth(grantname) then
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return false, S("Player @1 does not exist.", grantname)
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end
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local grantprivs = core.string_to_privs(grantprivstr)
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if grantprivstr == "all" then
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grantprivs = core.registered_privileges
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end
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local privs = core.get_player_privs(grantname)
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local privs_unknown = ""
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local basic_privs =
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core.string_to_privs(core.settings:get("basic_privs") or "interact,shout")
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for priv, _ in pairs(grantprivs) do
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if not basic_privs[priv] and not caller_privs.privs then
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return false, S("Your privileges are insufficient. "..
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"'@1' only allows you to grant: @2",
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"basic_privs",
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core.privs_to_string(basic_privs, ', '))
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end
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if not core.registered_privileges[priv] then
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privs_unknown = privs_unknown .. S("Unknown privilege: @1", priv) .. "\n"
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end
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privs[priv] = true
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end
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if privs_unknown ~= "" then
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return false, privs_unknown
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end
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core.set_player_privs(grantname, privs)
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for priv, _ in pairs(grantprivs) do
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-- call the on_grant callbacks
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core.run_priv_callbacks(grantname, priv, caller, "grant")
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end
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core.log("action", caller..' granted ('..core.privs_to_string(grantprivs, ', ')..') privileges to '..grantname)
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if grantname ~= caller then
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core.chat_send_player(grantname,
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S("@1 granted you privileges: @2", caller,
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core.privs_to_string(grantprivs, ', ')))
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end
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return true, privileges_of(grantname)
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end
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core.register_chatcommand("grant", {
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params = S("<name> (<privilege> [, <privilege2> [<...>]] | all)"),
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description = S("Give privileges to player"),
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func = function(name, param)
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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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return false, S("Invalid parameters (see /help grant).")
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end
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return handle_grant_command(name, grantname, grantprivstr)
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end,
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})
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core.register_chatcommand("grantme", {
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params = S("<privilege> [, <privilege2> [<...>]] | all"),
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description = S("Grant privileges to yourself"),
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func = function(name, param)
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if param == "" then
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return false, S("Invalid parameters (see /help grantme).")
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end
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return handle_grant_command(name, name, param)
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end,
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})
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local function handle_revoke_command(caller, revokename, revokeprivstr)
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local caller_privs = core.get_player_privs(caller)
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if not (caller_privs.privs or caller_privs.basic_privs) then
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return false, S("Your privileges are insufficient.")
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end
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if not core.get_auth_handler().get_auth(revokename) then
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return false, S("Player @1 does not exist.", revokename)
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end
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local privs = core.get_player_privs(revokename)
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local revokeprivs = core.string_to_privs(revokeprivstr)
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local is_singleplayer = core.is_singleplayer()
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local is_admin = not is_singleplayer
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and revokename == core.settings:get("name")
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and revokename ~= ""
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if revokeprivstr == "all" then
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revokeprivs = table.copy(privs)
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end
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local privs_unknown = ""
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local basic_privs =
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core.string_to_privs(core.settings:get("basic_privs") or "interact,shout")
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local irrevokable = {}
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local has_irrevokable_priv = false
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for priv, _ in pairs(revokeprivs) do
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if not basic_privs[priv] and not caller_privs.privs then
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return false, S("Your privileges are insufficient. "..
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"'@1' only allows you to revoke: @2",
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"basic_privs",
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core.privs_to_string(basic_privs, ', '))
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end
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local def = core.registered_privileges[priv]
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if not def then
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-- Old/removed privileges might still be granted to certain players
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if not privs[priv] then
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privs_unknown = privs_unknown .. S("Unknown privilege: @1", priv) .. "\n"
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end
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elseif is_singleplayer and def.give_to_singleplayer then
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irrevokable[priv] = true
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elseif is_admin and def.give_to_admin then
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irrevokable[priv] = true
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end
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end
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for priv, _ in pairs(irrevokable) do
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revokeprivs[priv] = nil
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has_irrevokable_priv = true
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end
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if privs_unknown ~= "" then
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return false, privs_unknown
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end
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if has_irrevokable_priv then
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if is_singleplayer then
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core.chat_send_player(caller,
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S("Note: Cannot revoke in singleplayer: @1",
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core.privs_to_string(irrevokable, ', ')))
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elseif is_admin then
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core.chat_send_player(caller,
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S("Note: Cannot revoke from admin: @1",
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core.privs_to_string(irrevokable, ', ')))
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end
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end
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local revokecount = 0
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for priv, _ in pairs(revokeprivs) do
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privs[priv] = nil
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revokecount = revokecount + 1
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end
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if revokecount == 0 then
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return false, S("No privileges were revoked.")
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end
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core.set_player_privs(revokename, privs)
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for priv, _ in pairs(revokeprivs) do
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-- call the on_revoke callbacks
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core.run_priv_callbacks(revokename, priv, caller, "revoke")
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end
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local new_privs = core.get_player_privs(revokename)
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core.log("action", caller..' revoked ('
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..core.privs_to_string(revokeprivs, ', ')
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..') privileges from '..revokename)
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if revokename ~= caller then
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core.chat_send_player(revokename,
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S("@1 revoked privileges from you: @2", caller,
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core.privs_to_string(revokeprivs, ', ')))
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end
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return true, privileges_of(revokename, new_privs)
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end
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core.register_chatcommand("revoke", {
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params = S("<name> (<privilege> [, <privilege2> [<...>]] | all)"),
|
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description = S("Remove privileges from player"),
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privs = {},
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func = function(name, param)
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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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return false, S("Invalid parameters (see /help revoke).")
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end
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return handle_revoke_command(name, revokename, revokeprivstr)
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end,
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})
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|
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core.register_chatcommand("revokeme", {
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params = S("<privilege> [, <privilege2> [<...>]] | all"),
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description = S("Revoke privileges from yourself"),
|
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privs = {},
|
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func = function(name, param)
|
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if param == "" then
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return false, S("Invalid parameters (see /help revokeme).")
|
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end
|
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return handle_revoke_command(name, name, param)
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end,
|
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})
|
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|
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core.register_chatcommand("setpassword", {
|
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params = S("<name> <password>"),
|
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description = S("Set player's 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, "^([^ ]+) +(.+)$")
|
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if not toname then
|
||
toname = param:match("^([^ ]+) *$")
|
||
raw_password = nil
|
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end
|
||
|
||
if not toname then
|
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return false, S("Name field required.")
|
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end
|
||
|
||
local msg_chat, msg_log, msg_ret
|
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if not raw_password then
|
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core.set_player_password(toname, "")
|
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msg_chat = S("Your password was cleared by @1.", name)
|
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msg_log = name .. " clears password of " .. toname .. "."
|
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msg_ret = S("Password of player \"@1\" cleared.", toname)
|
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else
|
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core.set_player_password(toname,
|
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core.get_password_hash(toname,
|
||
raw_password))
|
||
msg_chat = S("Your password was set by @1.", name)
|
||
msg_log = name .. " sets password of " .. toname .. "."
|
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msg_ret = S("Password of player \"@1\" set.", toname)
|
||
end
|
||
|
||
if toname ~= name then
|
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core.chat_send_player(toname, msg_chat)
|
||
end
|
||
|
||
core.log("action", msg_log)
|
||
|
||
return true, msg_ret
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("clearpassword", {
|
||
params = S("<name>"),
|
||
description = S("Set empty password for a player"),
|
||
privs = {password=true},
|
||
func = function(name, param)
|
||
local toname = param
|
||
if toname == "" then
|
||
return false, S("Name field required.")
|
||
end
|
||
core.set_player_password(toname, '')
|
||
|
||
core.log("action", name .. " clears password of " .. toname .. ".")
|
||
|
||
return true, S("Password of player \"@1\" cleared.", toname)
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("auth_reload", {
|
||
params = "",
|
||
description = S("Reload authentication data"),
|
||
privs = {server=true},
|
||
func = function(name, param)
|
||
local done = core.auth_reload()
|
||
return done, (done and S("Done.") or S("Failed."))
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("remove_player", {
|
||
params = S("<name>"),
|
||
description = S("Remove a player's data"),
|
||
privs = {server=true},
|
||
func = function(name, param)
|
||
local toname = param
|
||
if toname == "" then
|
||
return false, S("Name field required.")
|
||
end
|
||
|
||
local rc = core.remove_player(toname)
|
||
|
||
if rc == 0 then
|
||
core.log("action", name .. " removed player data of " .. toname .. ".")
|
||
return true, S("Player \"@1\" removed.", toname)
|
||
elseif rc == 1 then
|
||
return true, S("No such player \"@1\" to remove.", toname)
|
||
elseif rc == 2 then
|
||
return true, S("Player \"@1\" is connected, cannot remove.", toname)
|
||
end
|
||
|
||
return false, S("Unhandled remove_player return code @1.", tostring(rc))
|
||
end,
|
||
})
|
||
|
||
|
||
-- pos may be a non-integer position
|
||
local function find_free_position_near(pos)
|
||
local tries = {
|
||
vector.new( 1, 0, 0),
|
||
vector.new(-1, 0, 0),
|
||
vector.new( 0, 0, 1),
|
||
vector.new( 0, 0, -1),
|
||
}
|
||
for _, d in ipairs(tries) do
|
||
local p = vector.add(pos, d)
|
||
local n = core.get_node_or_nil(p)
|
||
if n then
|
||
local def = core.registered_nodes[n.name]
|
||
if def and not def.walkable then
|
||
return p
|
||
end
|
||
end
|
||
end
|
||
return pos
|
||
end
|
||
|
||
-- Teleports player <name> to <p> if possible
|
||
local function teleport_to_pos(name, p)
|
||
local lm = 31007 -- equals MAX_MAP_GENERATION_LIMIT in C++
|
||
if p.x < -lm or p.x > lm or p.y < -lm or p.y > lm
|
||
or p.z < -lm or p.z > lm then
|
||
return false, S("Cannot teleport out of map bounds!")
|
||
end
|
||
local teleportee = core.get_player_by_name(name)
|
||
if not teleportee then
|
||
return false, S("Cannot get player with name @1.", name)
|
||
end
|
||
if teleportee:get_attach() then
|
||
return false, S("Cannot teleport, @1 " ..
|
||
"is attached to an object!", name)
|
||
end
|
||
teleportee:set_pos(p)
|
||
return true, S("Teleporting @1 to @2.", name, core.pos_to_string(p, 1))
|
||
end
|
||
|
||
-- Teleports player <name> next to player <target_name> if possible
|
||
local function teleport_to_player(name, target_name)
|
||
if name == target_name then
|
||
return false, S("One does not teleport to oneself.")
|
||
end
|
||
local teleportee = core.get_player_by_name(name)
|
||
if not teleportee then
|
||
return false, S("Cannot get teleportee with name @1.", name)
|
||
end
|
||
if teleportee:get_attach() then
|
||
return false, S("Cannot teleport, @1 " ..
|
||
"is attached to an object!", name)
|
||
end
|
||
local target = core.get_player_by_name(target_name)
|
||
if not target then
|
||
return false, S("Cannot get target player with name @1.", target_name)
|
||
end
|
||
local p = find_free_position_near(target:get_pos())
|
||
teleportee:set_pos(p)
|
||
return true, S("Teleporting @1 to @2 at @3.", name, target_name,
|
||
core.pos_to_string(p, 1))
|
||
end
|
||
|
||
core.register_chatcommand("teleport", {
|
||
params = S("<X>,<Y>,<Z> | <to_name> | <name> <X>,<Y>,<Z> | <name> <to_name>"),
|
||
description = S("Teleport to position or player"),
|
||
privs = {teleport=true},
|
||
func = function(name, param)
|
||
local player = core.get_player_by_name(name)
|
||
local relpos
|
||
if player then
|
||
relpos = player:get_pos()
|
||
end
|
||
local p = {}
|
||
p.x, p.y, p.z = string.match(param, "^([%d.~-]+)[, ] *([%d.~-]+)[, ] *([%d.~-]+)$")
|
||
p = core.parse_coordinates(p.x, p.y, p.z, relpos)
|
||
if p and p.x and p.y and p.z then
|
||
return teleport_to_pos(name, p)
|
||
end
|
||
|
||
local target_name = param:match("^([^ ]+)$")
|
||
if target_name then
|
||
return teleport_to_player(name, target_name)
|
||
end
|
||
|
||
local has_bring_priv = core.check_player_privs(name, {bring=true})
|
||
local missing_bring_msg = S("You don't have permission to teleport " ..
|
||
"other players (missing privilege: @1).", "bring")
|
||
|
||
local teleportee_name
|
||
p = {}
|
||
teleportee_name, p.x, p.y, p.z = param:match(
|
||
"^([^ ]+) +([%d.~-]+)[, ] *([%d.~-]+)[, ] *([%d.~-]+)$")
|
||
if teleportee_name then
|
||
local teleportee = core.get_player_by_name(teleportee_name)
|
||
if not teleportee then
|
||
return
|
||
end
|
||
relpos = teleportee:get_pos()
|
||
p = core.parse_coordinates(p.x, p.y, p.z, relpos)
|
||
end
|
||
p = vector.apply(p, tonumber)
|
||
|
||
if teleportee_name and p.x and p.y and p.z then
|
||
if not has_bring_priv then
|
||
return false, missing_bring_msg
|
||
end
|
||
return teleport_to_pos(teleportee_name, p)
|
||
end
|
||
|
||
teleportee_name, target_name = string.match(param, "^([^ ]+) +([^ ]+)$")
|
||
if teleportee_name and target_name then
|
||
if not has_bring_priv then
|
||
return false, missing_bring_msg
|
||
end
|
||
return teleport_to_player(teleportee_name, target_name)
|
||
end
|
||
|
||
return false
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("set", {
|
||
params = S("([-n] <name> <value>) | <name>"),
|
||
description = S("Set or read server configuration setting"),
|
||
privs = {server=true},
|
||
func = function(name, param)
|
||
local arg, setname, setvalue = string.match(param, "(-[n]) ([^ ]+) (.+)")
|
||
if arg and arg == "-n" and setname and setvalue then
|
||
core.settings:set(setname, setvalue)
|
||
return true, setname .. " = " .. setvalue
|
||
end
|
||
|
||
setname, setvalue = string.match(param, "([^ ]+) (.+)")
|
||
if setname and setvalue then
|
||
if setname:sub(1, 7) == "secure." then
|
||
return false, S("Failed. Cannot modify secure settings. "
|
||
.. "Edit the settings file manually.")
|
||
end
|
||
if not core.settings:get(setname) then
|
||
return false, S("Failed. Use '/set -n <name> <value>' "
|
||
.. "to create a new setting.")
|
||
end
|
||
core.settings:set(setname, setvalue)
|
||
return true, S("@1 = @2", setname, setvalue)
|
||
end
|
||
|
||
setname = string.match(param, "([^ ]+)")
|
||
if setname then
|
||
setvalue = core.settings:get(setname)
|
||
if not setvalue then
|
||
setvalue = S("<not set>")
|
||
end
|
||
return true, S("@1 = @2", setname, setvalue)
|
||
end
|
||
|
||
return false, S("Invalid parameters (see /help set).")
|
||
end,
|
||
})
|
||
|
||
local function emergeblocks_callback(pos, action, num_calls_remaining, ctx)
|
||
if ctx.total_blocks == 0 then
|
||
ctx.total_blocks = num_calls_remaining + 1
|
||
ctx.current_blocks = 0
|
||
end
|
||
ctx.current_blocks = ctx.current_blocks + 1
|
||
|
||
if ctx.current_blocks == ctx.total_blocks then
|
||
core.chat_send_player(ctx.requestor_name,
|
||
S("Finished emerging @1 blocks in @2ms.",
|
||
ctx.total_blocks,
|
||
string.format("%.2f", (os.clock() - ctx.start_time) * 1000)))
|
||
end
|
||
end
|
||
|
||
local function emergeblocks_progress_update(ctx)
|
||
if ctx.current_blocks ~= ctx.total_blocks then
|
||
core.chat_send_player(ctx.requestor_name,
|
||
S("emergeblocks update: @1/@2 blocks emerged (@3%)",
|
||
ctx.current_blocks, ctx.total_blocks,
|
||
string.format("%.1f", (ctx.current_blocks / ctx.total_blocks) * 100)))
|
||
|
||
core.after(2, emergeblocks_progress_update, ctx)
|
||
end
|
||
end
|
||
|
||
core.register_chatcommand("emergeblocks", {
|
||
params = S("(here [<radius>]) | (<pos1> <pos2>)"),
|
||
description = S("Load (or, if nonexistent, generate) map blocks contained in "
|
||
.. "area pos1 to pos2 (<pos1> and <pos2> must be in parentheses)"),
|
||
privs = {server=true},
|
||
func = function(name, param)
|
||
local p1, p2 = parse_range_str(name, param)
|
||
if p1 == false then
|
||
return false, p2
|
||
end
|
||
|
||
local context = {
|
||
current_blocks = 0,
|
||
total_blocks = 0,
|
||
start_time = os.clock(),
|
||
requestor_name = name
|
||
}
|
||
|
||
core.emerge_area(p1, p2, emergeblocks_callback, context)
|
||
core.after(2, emergeblocks_progress_update, context)
|
||
|
||
return true, S("Started emerge of area ranging from @1 to @2.",
|
||
core.pos_to_string(p1, 1), core.pos_to_string(p2, 1))
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("deleteblocks", {
|
||
params = S("(here [<radius>]) | (<pos1> <pos2>)"),
|
||
description = S("Delete map blocks contained in area pos1 to pos2 "
|
||
.. "(<pos1> and <pos2> must be in parentheses)"),
|
||
privs = {server=true},
|
||
func = function(name, param)
|
||
local p1, p2 = parse_range_str(name, param)
|
||
if p1 == false then
|
||
return false, p2
|
||
end
|
||
|
||
if core.delete_area(p1, p2) then
|
||
return true, S("Successfully cleared area "
|
||
.. "ranging from @1 to @2.",
|
||
core.pos_to_string(p1, 1), core.pos_to_string(p2, 1))
|
||
else
|
||
return false, S("Failed to clear one or more "
|
||
.. "blocks in area.")
|
||
end
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("fixlight", {
|
||
params = S("(here [<radius>]) | (<pos1> <pos2>)"),
|
||
description = S("Resets lighting in the area between pos1 and pos2 "
|
||
.. "(<pos1> and <pos2> must be in parentheses)"),
|
||
privs = {server = true},
|
||
func = function(name, param)
|
||
local p1, p2 = parse_range_str(name, param)
|
||
if p1 == false then
|
||
return false, p2
|
||
end
|
||
|
||
if core.fix_light(p1, p2) then
|
||
return true, S("Successfully reset light in the area "
|
||
.. "ranging from @1 to @2.",
|
||
core.pos_to_string(p1, 1), core.pos_to_string(p2, 1))
|
||
else
|
||
return false, S("Failed to load one or more blocks in area.")
|
||
end
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("mods", {
|
||
params = "",
|
||
description = S("List mods installed on the server"),
|
||
privs = {},
|
||
func = function(name, param)
|
||
local mods = core.get_modnames()
|
||
if #mods == 0 then
|
||
return true, S("No mods installed.")
|
||
else
|
||
return true, table.concat(core.get_modnames(), ", ")
|
||
end
|
||
end,
|
||
})
|
||
|
||
local function handle_give_command(cmd, giver, receiver, stackstring)
|
||
core.log("action", giver .. " invoked " .. cmd
|
||
.. ', stackstring="' .. stackstring .. '"')
|
||
local itemstack = ItemStack(stackstring)
|
||
if itemstack:is_empty() then
|
||
return false, S("Cannot give an empty item.")
|
||
elseif (not itemstack:is_known()) or (itemstack:get_name() == "unknown") then
|
||
return false, S("Cannot give an unknown item.")
|
||
-- Forbid giving 'ignore' due to unwanted side effects
|
||
elseif itemstack:get_name() == "ignore" then
|
||
return false, S("Giving 'ignore' is not allowed.")
|
||
end
|
||
local receiverref = core.get_player_by_name(receiver)
|
||
if receiverref == nil then
|
||
return false, S("@1 is not a known player.", receiver)
|
||
end
|
||
local leftover = receiverref:get_inventory():add_item("main", itemstack)
|
||
local partiality
|
||
if leftover:is_empty() then
|
||
partiality = nil
|
||
elseif leftover:get_count() == itemstack:get_count() then
|
||
partiality = false
|
||
else
|
||
partiality = true
|
||
end
|
||
-- The actual item stack string may be different from what the "giver"
|
||
-- entered (e.g. big numbers are always interpreted as 2^16-1).
|
||
stackstring = itemstack:to_string()
|
||
local msg
|
||
if partiality == true then
|
||
msg = S("@1 partially added to inventory.", stackstring)
|
||
elseif partiality == false then
|
||
msg = S("@1 could not be added to inventory.", stackstring)
|
||
else
|
||
msg = S("@1 added to inventory.", stackstring)
|
||
end
|
||
if giver == receiver then
|
||
return true, msg
|
||
else
|
||
core.chat_send_player(receiver, msg)
|
||
local msg_other
|
||
if partiality == true then
|
||
msg_other = S("@1 partially added to inventory of @2.",
|
||
stackstring, receiver)
|
||
elseif partiality == false then
|
||
msg_other = S("@1 could not be added to inventory of @2.",
|
||
stackstring, receiver)
|
||
else
|
||
msg_other = S("@1 added to inventory of @2.",
|
||
stackstring, receiver)
|
||
end
|
||
return true, msg_other
|
||
end
|
||
end
|
||
|
||
core.register_chatcommand("give", {
|
||
params = S("<name> <ItemString> [<count> [<wear>]]"),
|
||
description = S("Give item to player"),
|
||
privs = {give=true},
|
||
func = function(name, param)
|
||
local toname, itemstring = string.match(param, "^([^ ]+) +(.+)$")
|
||
if not toname or not itemstring then
|
||
return false, S("Name and ItemString required.")
|
||
end
|
||
return handle_give_command("/give", name, toname, itemstring)
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("giveme", {
|
||
params = S("<ItemString> [<count> [<wear>]]"),
|
||
description = S("Give item to yourself"),
|
||
privs = {give=true},
|
||
func = function(name, param)
|
||
local itemstring = string.match(param, "(.+)$")
|
||
if not itemstring then
|
||
return false, S("ItemString required.")
|
||
end
|
||
return handle_give_command("/giveme", name, name, itemstring)
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("spawnentity", {
|
||
params = S("<EntityName> [<X>,<Y>,<Z>]"),
|
||
description = S("Spawn entity at given (or your) position"),
|
||
privs = {give=true, interact=true},
|
||
func = function(name, param)
|
||
local entityname, pstr = string.match(param, "^([^ ]+) *(.*)$")
|
||
if not entityname then
|
||
return false, S("EntityName required.")
|
||
end
|
||
core.log("action", ("%s invokes /spawnentity, entityname=%q")
|
||
:format(name, entityname))
|
||
local player = core.get_player_by_name(name)
|
||
if player == nil then
|
||
core.log("error", "Unable to spawn entity, player is nil")
|
||
return false, S("Unable to spawn entity, player is nil.")
|
||
end
|
||
if not core.registered_entities[entityname] then
|
||
return false, S("Cannot spawn an unknown entity.")
|
||
end
|
||
local p
|
||
if pstr == "" then
|
||
p = player:get_pos()
|
||
else
|
||
p = {}
|
||
p.x, p.y, p.z = string.match(pstr, "^([%d.~-]+)[, ] *([%d.~-]+)[, ] *([%d.~-]+)$")
|
||
local relpos = player:get_pos()
|
||
p = core.parse_coordinates(p.x, p.y, p.z, relpos)
|
||
if not (p and p.x and p.y and p.z) then
|
||
return false, S("Invalid parameters (@1).", param)
|
||
end
|
||
end
|
||
p.y = p.y + 1
|
||
local obj = core.add_entity(p, entityname)
|
||
if obj then
|
||
return true, S("@1 spawned.", entityname)
|
||
else
|
||
return true, S("@1 failed to spawn.", entityname)
|
||
end
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("pulverize", {
|
||
params = "",
|
||
description = S("Destroy item in hand"),
|
||
func = function(name, param)
|
||
local player = core.get_player_by_name(name)
|
||
if not player then
|
||
core.log("error", "Unable to pulverize, no player.")
|
||
return false, S("Unable to pulverize, no player.")
|
||
end
|
||
local wielded_item = player:get_wielded_item()
|
||
if wielded_item:is_empty() then
|
||
return false, S("Unable to pulverize, no item in hand.")
|
||
end
|
||
core.log("action", name .. " pulverized \"" ..
|
||
wielded_item:get_name() .. " " .. wielded_item:get_count() .. "\"")
|
||
player:set_wielded_item(nil)
|
||
return true, S("An item was pulverized.")
|
||
end,
|
||
})
|
||
|
||
-- Key = player name
|
||
core.rollback_punch_callbacks = {}
|
||
|
||
core.register_on_punchnode(function(pos, node, puncher)
|
||
local name = puncher and puncher:get_player_name()
|
||
if name and core.rollback_punch_callbacks[name] then
|
||
core.rollback_punch_callbacks[name](pos, node, puncher)
|
||
core.rollback_punch_callbacks[name] = nil
|
||
end
|
||
end)
|
||
|
||
core.register_chatcommand("rollback_check", {
|
||
params = S("[<range>] [<seconds>] [<limit>]"),
|
||
description = S("Check who last touched a node or a node near it "
|
||
.. "within the time specified by <seconds>. "
|
||
.. "Default: range = 0, seconds = 86400 = 24h, limit = 5. "
|
||
.. "Set <seconds> to inf for no time limit"),
|
||
privs = {rollback=true},
|
||
func = function(name, param)
|
||
if not core.settings:get_bool("enable_rollback_recording") then
|
||
return false, S("Rollback functions are disabled.")
|
||
end
|
||
local range, seconds, limit =
|
||
param:match("(%d+) *(%d*) *(%d*)")
|
||
range = tonumber(range) or 0
|
||
seconds = tonumber(seconds) or 86400
|
||
limit = tonumber(limit) or 5
|
||
if limit > 100 then
|
||
return false, S("That limit is too high!")
|
||
end
|
||
|
||
core.rollback_punch_callbacks[name] = function(pos, node, puncher)
|
||
local name = puncher:get_player_name()
|
||
core.chat_send_player(name, S("Checking @1 ...", core.pos_to_string(pos)))
|
||
local actions = core.rollback_get_node_actions(pos, range, seconds, limit)
|
||
if not actions then
|
||
core.chat_send_player(name, S("Rollback functions are disabled."))
|
||
return
|
||
end
|
||
local num_actions = #actions
|
||
if num_actions == 0 then
|
||
core.chat_send_player(name,
|
||
S("Nobody has touched the specified "
|
||
.. "location in @1 seconds.",
|
||
seconds))
|
||
return
|
||
end
|
||
local time = os.time()
|
||
for i = num_actions, 1, -1 do
|
||
local action = actions[i]
|
||
core.chat_send_player(name,
|
||
S("@1 @2 @3 -> @4 @5 seconds ago.",
|
||
core.pos_to_string(action.pos),
|
||
action.actor,
|
||
action.oldnode.name,
|
||
action.newnode.name,
|
||
time - action.time))
|
||
end
|
||
end
|
||
|
||
return true, S("Punch a node (range=@1, seconds=@2, limit=@3).",
|
||
range, seconds, limit)
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("rollback", {
|
||
params = S("(<name> [<seconds>]) | (:<actor> [<seconds>])"),
|
||
description = S("Revert actions of a player. "
|
||
.. "Default for <seconds> is 60. "
|
||
.. "Set <seconds> to inf for no time limit"),
|
||
privs = {rollback=true},
|
||
func = function(name, param)
|
||
if not core.settings:get_bool("enable_rollback_recording") then
|
||
return false, S("Rollback functions are disabled.")
|
||
end
|
||
local target_name, seconds = string.match(param, ":([^ ]+) *(%d*)")
|
||
local rev_msg
|
||
if not target_name then
|
||
local player_name
|
||
player_name, seconds = string.match(param, "([^ ]+) *(%d*)")
|
||
if not player_name then
|
||
return false, S("Invalid parameters. "
|
||
.. "See /help rollback and "
|
||
.. "/help rollback_check.")
|
||
end
|
||
seconds = tonumber(seconds) or 60
|
||
target_name = "player:"..player_name
|
||
rev_msg = S("Reverting actions of player '@1' since @2 seconds.",
|
||
player_name, seconds)
|
||
else
|
||
seconds = tonumber(seconds) or 60
|
||
rev_msg = S("Reverting actions of @1 since @2 seconds.",
|
||
target_name, seconds)
|
||
end
|
||
core.chat_send_player(name, rev_msg)
|
||
local success, log = core.rollback_revert_actions_by(
|
||
target_name, seconds)
|
||
local response = ""
|
||
if #log > 100 then
|
||
response = S("(log is too long to show)").."\n"
|
||
else
|
||
for _, line in pairs(log) do
|
||
response = response .. line .. "\n"
|
||
end
|
||
end
|
||
if success then
|
||
response = response .. S("Reverting actions succeeded.")
|
||
else
|
||
response = response .. S("Reverting actions FAILED.")
|
||
end
|
||
return success, response
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("status", {
|
||
description = S("Show server status"),
|
||
func = function(name, param)
|
||
local status = core.get_server_status(name, false)
|
||
if status and status ~= "" then
|
||
return true, status
|
||
end
|
||
return false, S("This command was disabled by a mod or game.")
|
||
end,
|
||
})
|
||
|
||
local function get_time(timeofday)
|
||
local time = math.floor(timeofday * 1440)
|
||
local minute = time % 60
|
||
local hour = (time - minute) / 60
|
||
return time, hour, minute
|
||
end
|
||
|
||
core.register_chatcommand("time", {
|
||
params = S("[<0..23>:<0..59> | <0..24000>]"),
|
||
description = S("Show or set time of day"),
|
||
privs = {},
|
||
func = function(name, param)
|
||
if param == "" then
|
||
local current_time = math.floor(core.get_timeofday() * 1440)
|
||
local minutes = current_time % 60
|
||
local hour = (current_time - minutes) / 60
|
||
return true, S("Current time is @1:@2.",
|
||
string.format("%d", hour),
|
||
string.format("%02d", minutes))
|
||
end
|
||
local player_privs = core.get_player_privs(name)
|
||
if not player_privs.settime then
|
||
return false, S("You don't have permission to run "
|
||
.. "this command (missing privilege: @1).", "settime")
|
||
end
|
||
local relative, negative, hour, minute = param:match("^(~?)(%-?)(%d+):(%d+)$")
|
||
if not relative then -- checking the first capture against nil suffices
|
||
local new_time = core.parse_relative_number(param, core.get_timeofday() * 24000)
|
||
if not new_time then
|
||
new_time = tonumber(param) or -1
|
||
else
|
||
new_time = new_time % 24000
|
||
end
|
||
if new_time ~= new_time or new_time < 0 or new_time > 24000 then
|
||
return false, S("Invalid time (must be between 0 and 24000).")
|
||
end
|
||
core.set_timeofday(new_time / 24000)
|
||
core.log("action", name .. " sets time to " .. new_time)
|
||
return true, S("Time of day changed.")
|
||
end
|
||
local new_time
|
||
hour = tonumber(hour)
|
||
minute = tonumber(minute)
|
||
if relative == "" then
|
||
if hour < 0 or hour > 23 then
|
||
return false, S("Invalid hour (must be between 0 and 23 inclusive).")
|
||
elseif minute < 0 or minute > 59 then
|
||
return false, S("Invalid minute (must be between 0 and 59 inclusive).")
|
||
end
|
||
new_time = (hour * 60 + minute) / 1440
|
||
else
|
||
if minute < 0 or minute > 59 then
|
||
return false, S("Invalid minute (must be between 0 and 59 inclusive).")
|
||
end
|
||
local current_time = core.get_timeofday()
|
||
if negative == "-" then -- negative time
|
||
hour, minute = -hour, -minute
|
||
end
|
||
new_time = (current_time + (hour * 60 + minute) / 1440) % 1
|
||
local _
|
||
_, hour, minute = get_time(new_time)
|
||
end
|
||
core.set_timeofday(new_time)
|
||
core.log("action", ("%s sets time to %d:%02d"):format(name, hour, minute))
|
||
return true, S("Time of day changed.")
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("days", {
|
||
description = S("Show day count since world creation"),
|
||
func = function(name, param)
|
||
return true, S("Current day is @1.", core.get_day_count())
|
||
end
|
||
})
|
||
|
||
local function parse_shutdown_param(param)
|
||
local delay, reconnect, message
|
||
local one, two, three
|
||
one, two, three = param:match("^(%S+) +(%-r) +(.*)")
|
||
if one and two and three then
|
||
-- 3 arguments: delay, reconnect and message
|
||
return one, two, three
|
||
end
|
||
-- 2 arguments
|
||
one, two = param:match("^(%S+) +(.*)")
|
||
if one and two then
|
||
if tonumber(one) then
|
||
delay = one
|
||
if two == "-r" then
|
||
reconnect = two
|
||
else
|
||
message = two
|
||
end
|
||
elseif one == "-r" then
|
||
reconnect, message = one, two
|
||
end
|
||
return delay, reconnect, message
|
||
end
|
||
-- 1 argument
|
||
one = param:match("(.*)")
|
||
if tonumber(one) then
|
||
delay = one
|
||
elseif one == "-r" then
|
||
reconnect = one
|
||
else
|
||
message = one
|
||
end
|
||
return delay, reconnect, message
|
||
end
|
||
|
||
core.register_chatcommand("shutdown", {
|
||
params = S("[<delay_in_seconds> | -1] [-r] [<message>]"),
|
||
description = S("Shutdown server (-1 cancels a delayed shutdown, -r allows players to reconnect)"),
|
||
privs = {server=true},
|
||
func = function(name, param)
|
||
local delay, reconnect, message = parse_shutdown_param(param)
|
||
local bool_reconnect = reconnect == "-r"
|
||
if not message then
|
||
message = ""
|
||
end
|
||
delay = tonumber(delay) or 0
|
||
|
||
if delay == 0 then
|
||
core.log("action", name .. " shuts down server")
|
||
core.chat_send_all("*** "..S("Server shutting down (operator request)."))
|
||
end
|
||
core.request_shutdown(message:trim(), bool_reconnect, delay)
|
||
return true
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("ban", {
|
||
params = S("[<name>]"),
|
||
description = S("Ban the IP of a player or show the ban list"),
|
||
privs = {ban=true},
|
||
func = function(name, param)
|
||
if param == "" then
|
||
local ban_list = core.get_ban_list()
|
||
if ban_list == "" then
|
||
return true, S("The ban list is empty.")
|
||
else
|
||
return true, S("Ban list: @1", ban_list)
|
||
end
|
||
end
|
||
if core.is_singleplayer() then
|
||
return false, S("You cannot ban players in singleplayer!")
|
||
end
|
||
if not core.get_player_by_name(param) then
|
||
return false, S("Player is not online.")
|
||
end
|
||
if not core.ban_player(param) then
|
||
return false, S("Failed to ban player.")
|
||
end
|
||
local desc = core.get_ban_description(param)
|
||
core.log("action", name .. " bans " .. desc .. ".")
|
||
return true, S("Banned @1.", desc)
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("unban", {
|
||
params = S("<name> | <IP_address>"),
|
||
description = S("Remove IP ban belonging to a player/IP"),
|
||
privs = {ban=true},
|
||
func = function(name, param)
|
||
if not core.unban_player_or_ip(param) then
|
||
return false, S("Failed to unban player/IP.")
|
||
end
|
||
core.log("action", name .. " unbans " .. param)
|
||
return true, S("Unbanned @1.", param)
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("kick", {
|
||
params = S("<name> [<reason>]"),
|
||
description = S("Kick a player"),
|
||
privs = {kick=true},
|
||
func = function(name, param)
|
||
local tokick, reason = param:match("([^ ]+) (.+)")
|
||
tokick = tokick or param
|
||
if not core.kick_player(tokick, reason) then
|
||
return false, S("Failed to kick player @1.", tokick)
|
||
end
|
||
local log_reason = ""
|
||
if reason then
|
||
log_reason = " with reason \"" .. reason .. "\""
|
||
end
|
||
core.log("action", name .. " kicks " .. tokick .. log_reason)
|
||
return true, S("Kicked @1.", tokick)
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("clearobjects", {
|
||
params = S("[full | quick]"),
|
||
description = S("Clear all objects in world"),
|
||
privs = {server=true},
|
||
func = function(name, param)
|
||
local options = {}
|
||
if param == "" or param == "quick" then
|
||
options.mode = "quick"
|
||
elseif param == "full" then
|
||
options.mode = "full"
|
||
else
|
||
return false, S("Invalid usage, see /help clearobjects.")
|
||
end
|
||
|
||
core.log("action", name .. " clears objects ("
|
||
.. options.mode .. " mode).")
|
||
if options.mode == "full" then
|
||
core.chat_send_all(S("Clearing all objects. This may take a long time. "
|
||
.. "You may experience a timeout. (by @1)", name))
|
||
end
|
||
core.clear_objects(options)
|
||
core.log("action", "Object clearing done.")
|
||
core.chat_send_all("*** "..S("Cleared all objects."))
|
||
return true
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("msg", {
|
||
params = S("<name> <message>"),
|
||
description = S("Send a direct message to a player"),
|
||
privs = {shout=true},
|
||
func = function(name, param)
|
||
local sendto, message = param:match("^(%S+)%s(.+)$")
|
||
if not sendto then
|
||
return false, S("Invalid usage, see /help msg.")
|
||
end
|
||
if not core.get_player_by_name(sendto) then
|
||
return false, S("The player @1 is not online.", sendto)
|
||
end
|
||
core.log("action", "DM from " .. name .. " to " .. sendto
|
||
.. ": " .. message)
|
||
core.chat_send_player(sendto, S("DM from @1: @2", name, message))
|
||
return true, S("Message sent.")
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("last-login", {
|
||
params = S("[<name>]"),
|
||
description = S("Get the last login time of a player or yourself"),
|
||
func = function(name, param)
|
||
if param == "" then
|
||
param = name
|
||
end
|
||
local pauth = core.get_auth_handler().get_auth(param)
|
||
if pauth and pauth.last_login and pauth.last_login ~= -1 then
|
||
-- Time in UTC, ISO 8601 format
|
||
return true, S("@1's last login time was @2.",
|
||
param,
|
||
os.date("!%Y-%m-%dT%H:%M:%SZ", pauth.last_login))
|
||
end
|
||
return false, S("@1's last login time is unknown.", param)
|
||
end,
|
||
})
|
||
|
||
core.register_chatcommand("clearinv", {
|
||
params = S("[<name>]"),
|
||
description = S("Clear the inventory of yourself or another player"),
|
||
func = function(name, param)
|
||
local player
|
||
if param and param ~= "" and param ~= name then
|
||
if not core.check_player_privs(name, {server=true}) then
|
||
return false, S("You don't have permission to "
|
||
.. "clear another player's inventory "
|
||
.. "(missing privilege: @1).", "server")
|
||
end
|
||
player = core.get_player_by_name(param)
|
||
core.chat_send_player(param, S("@1 cleared your inventory.", name))
|
||
else
|
||
player = core.get_player_by_name(name)
|
||
end
|
||
|
||
if player then
|
||
player:get_inventory():set_list("main", {})
|
||
player:get_inventory():set_list("craft", {})
|
||
player:get_inventory():set_list("craftpreview", {})
|
||
core.log("action", name.." clears "..player:get_player_name().."'s inventory")
|
||
return true, S("Cleared @1's inventory.", player:get_player_name())
|
||
else
|
||
return false, S("Player must be online to clear inventory!")
|
||
end
|
||
end,
|
||
})
|
||
|
||
local function handle_kill_command(killer, victim)
|
||
if core.settings:get_bool("enable_damage") == false then
|
||
return false, S("Players can't be killed, damage has been disabled.")
|
||
end
|
||
local victimref = core.get_player_by_name(victim)
|
||
if victimref == nil then
|
||
return false, S("Player @1 is not online.", victim)
|
||
elseif victimref:get_hp() <= 0 then
|
||
if killer == victim then
|
||
return false, S("You are already dead.")
|
||
else
|
||
return false, S("@1 is already dead.", victim)
|
||
end
|
||
end
|
||
if killer ~= victim then
|
||
core.log("action", string.format("%s killed %s", killer, victim))
|
||
end
|
||
-- Kill victim
|
||
victimref:set_hp(0)
|
||
return true, S("@1 has been killed.", victim)
|
||
end
|
||
|
||
core.register_chatcommand("kill", {
|
||
params = S("[<name>]"),
|
||
description = S("Kill player or yourself"),
|
||
privs = {server=true},
|
||
func = function(name, param)
|
||
return handle_kill_command(name, param == "" and name or param)
|
||
end,
|
||
})
|