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-rw-r--r--builtin/game/chat.lua1086
1 files changed, 1086 insertions, 0 deletions
diff --git a/builtin/game/chat.lua b/builtin/game/chat.lua
new file mode 100644
index 000000000..84559b064
--- /dev/null
+++ b/builtin/game/chat.lua
@@ -0,0 +1,1086 @@
+-- Minetest: builtin/game/chat.lua
+
+--
+-- Chat message formatter
+--
+
+-- Implemented in Lua to allow redefinition
+function core.format_chat_message(name, message)
+ local str = core.settings:get("chat_message_format")
+ local error_str = "Invalid chat message format - missing %s"
+ local i
+
+ str, i = str:gsub("@name", name, 1)
+ if i == 0 then
+ error(error_str:format("@name"), 2)
+ end
+
+ str, i = str:gsub("@message", message, 1)
+ if i == 0 then
+ error(error_str:format("@message"), 2)
+ end
+
+ str = str:gsub("@timestamp", os.date("%H:%M:%S", os.time()), 1)
+
+ return str
+end
+
+--
+-- Chat command handler
+--
+
+core.chatcommands = core.registered_chatcommands -- BACKWARDS COMPATIBILITY
+
+core.register_on_chat_message(function(name, message)
+ if message:sub(1,1) ~= "/" then
+ return
+ end
+
+ local cmd, param = string.match(message, "^/([^ ]+) *(.*)")
+ if not cmd then
+ core.chat_send_player(name, "-!- Empty command")
+ return true
+ end
+
+ param = param or ""
+
+ local cmd_def = core.registered_chatcommands[cmd]
+ if not cmd_def then
+ core.chat_send_player(name, "-!- Invalid command: " .. cmd)
+ return true
+ end
+ local has_privs, missing_privs = core.check_player_privs(name, cmd_def.privs)
+ if has_privs then
+ core.set_last_run_mod(cmd_def.mod_origin)
+ local _, result = cmd_def.func(name, param)
+ if result then
+ core.chat_send_player(name, result)
+ end
+ else
+ core.chat_send_player(name, "You don't have permission"
+ .. " to run this command (missing privileges: "
+ .. table.concat(missing_privs, ", ") .. ")")
+ end
+ return true -- Handled chat message
+end)
+
+if core.settings:get_bool("profiler.load") then
+ -- Run after register_chatcommand and its register_on_chat_message
+ -- Before any chatcommands that should be profiled
+ profiler.init_chatcommand()
+end
+
+-- Parses a "range" string in the format of "here (number)" or
+-- "(x1, y1, z1) (x2, y2, z2)", returning two position vectors
+local function parse_range_str(player_name, str)
+ local p1, p2
+ local args = str:split(" ")
+
+ if args[1] == "here" then
+ p1, p2 = core.get_player_radius_area(player_name, tonumber(args[2]))
+ if p1 == nil then
+ return false, "Unable to get player " .. player_name .. " position"
+ end
+ else
+ p1, p2 = core.string_to_area(str)
+ if p1 == nil then
+ return false, "Incorrect area format. Expected: (x1,y1,z1) (x2,y2,z2)"
+ end
+ end
+
+ return p1, p2
+end
+
+--
+-- Chat commands
+--
+core.register_chatcommand("me", {
+ params = "<action>",
+ description = "Show chat action (e.g., '/me orders a pizza' displays"
+ .. " '<player name> orders a pizza')",
+ privs = {shout=true},
+ func = function(name, param)
+ core.chat_send_all("* " .. name .. " " .. param)
+ end,
+})
+
+core.register_chatcommand("admin", {
+ description = "Show the name of the server owner",
+ func = function(name)
+ local admin = core.settings:get("name")
+ if admin then
+ return true, "The administrator of this server is " .. admin .. "."
+ else
+ return false, "There's no administrator named in the config file."
+ end
+ end,
+})
+
+core.register_chatcommand("privs", {
+ params = "[<name>]",
+ description = "Show privileges of yourself or another player",
+ func = function(caller, param)
+ param = param:trim()
+ local name = (param ~= "" and param or caller)
+ if not core.player_exists(name) then
+ return false, "Player " .. name .. " does not exist."
+ end
+ return true, "Privileges of " .. name .. ": "
+ .. core.privs_to_string(
+ core.get_player_privs(name), ' ')
+ end,
+})
+
+core.register_chatcommand("haspriv", {
+ params = "<privilege>",
+ description = "Return list of all online players with privilege.",
+ privs = {basic_privs = true},
+ func = function(caller, param)
+ param = param:trim()
+ if param == "" then
+ return false, "Invalid parameters (see /help haspriv)"
+ end
+ if not core.registered_privileges[param] then
+ return false, "Unknown privilege!"
+ end
+ local privs = core.string_to_privs(param)
+ local players_with_priv = {}
+ for _, player in pairs(core.get_connected_players()) do
+ local player_name = player:get_player_name()
+ if core.check_player_privs(player_name, privs) then
+ table.insert(players_with_priv, player_name)
+ end
+ end
+ return true, "Players online with the \"" .. param .. "\" privilege: " ..
+ table.concat(players_with_priv, ", ")
+ end
+})
+
+local function handle_grant_command(caller, grantname, grantprivstr)
+ local caller_privs = core.get_player_privs(caller)
+ if not (caller_privs.privs or caller_privs.basic_privs) then
+ return false, "Your privileges are insufficient."
+ end
+
+ if not core.get_auth_handler().get_auth(grantname) then
+ return false, "Player " .. grantname .. " does not exist."
+ end
+ local grantprivs = core.string_to_privs(grantprivstr)
+ if grantprivstr == "all" then
+ grantprivs = core.registered_privileges
+ end
+ local privs = core.get_player_privs(grantname)
+ local privs_unknown = ""
+ local basic_privs =
+ core.string_to_privs(core.settings:get("basic_privs") or "interact,shout")
+ for priv, _ in pairs(grantprivs) do
+ if not basic_privs[priv] and not caller_privs.privs then
+ return false, "Your privileges are insufficient."
+ end
+ if not core.registered_privileges[priv] then
+ privs_unknown = privs_unknown .. "Unknown privilege: " .. priv .. "\n"
+ end
+ privs[priv] = true
+ end
+ if privs_unknown ~= "" then
+ return false, privs_unknown
+ end
+ for priv, _ in pairs(grantprivs) do
+ core.run_priv_callbacks(grantname, priv, caller, "grant")
+ end
+ core.set_player_privs(grantname, privs)
+ core.log("action", caller..' granted ('..core.privs_to_string(grantprivs, ', ')..') privileges to '..grantname)
+ if grantname ~= caller then
+ core.chat_send_player(grantname, caller
+ .. " granted you privileges: "
+ .. core.privs_to_string(grantprivs, ' '))
+ end
+ return true, "Privileges of " .. grantname .. ": "
+ .. core.privs_to_string(
+ core.get_player_privs(grantname), ' ')
+end
+
+core.register_chatcommand("grant", {
+ params = "<name> (<privilege> | all)",
+ description = "Give privileges to player",
+ func = function(name, param)
+ local grantname, grantprivstr = string.match(param, "([^ ]+) (.+)")
+ if not grantname or not grantprivstr then
+ return false, "Invalid parameters (see /help grant)"
+ end
+ return handle_grant_command(name, grantname, grantprivstr)
+ end,
+})
+
+core.register_chatcommand("grantme", {
+ params = "<privilege> | all",
+ description = "Grant privileges to yourself",
+ func = function(name, param)
+ if param == "" then
+ return false, "Invalid parameters (see /help grantme)"
+ end
+ return handle_grant_command(name, name, param)
+ end,
+})
+
+core.register_chatcommand("revoke", {
+ params = "<name> (<privilege> | all)",
+ description = "Remove privileges from player",
+ privs = {},
+ func = function(name, param)
+ if not core.check_player_privs(name, {privs=true}) and
+ not core.check_player_privs(name, {basic_privs=true}) then
+ return false, "Your privileges are insufficient."
+ end
+ local revoke_name, revoke_priv_str = string.match(param, "([^ ]+) (.+)")
+ if not revoke_name or not revoke_priv_str then
+ return false, "Invalid parameters (see /help revoke)"
+ elseif not core.get_auth_handler().get_auth(revoke_name) then
+ return false, "Player " .. revoke_name .. " does not exist."
+ end
+ local revoke_privs = core.string_to_privs(revoke_priv_str)
+ local privs = core.get_player_privs(revoke_name)
+ local basic_privs =
+ core.string_to_privs(core.settings:get("basic_privs") or "interact,shout")
+ for priv, _ in pairs(revoke_privs) do
+ if not basic_privs[priv] and
+ not core.check_player_privs(name, {privs=true}) then
+ return false, "Your privileges are insufficient."
+ end
+ end
+ if revoke_priv_str == "all" then
+ revoke_privs = privs
+ privs = {}
+ else
+ for priv, _ in pairs(revoke_privs) do
+ privs[priv] = nil
+ end
+ end
+
+ for priv, _ in pairs(revoke_privs) do
+ core.run_priv_callbacks(revoke_name, priv, name, "revoke")
+ end
+
+ core.set_player_privs(revoke_name, privs)
+ core.log("action", name..' revoked ('
+ ..core.privs_to_string(revoke_privs, ', ')
+ ..') privileges from '..revoke_name)
+ if revoke_name ~= name then
+ core.chat_send_player(revoke_name, name
+ .. " revoked privileges from you: "
+ .. core.privs_to_string(revoke_privs, ' '))
+ end
+ return true, "Privileges of " .. revoke_name .. ": "
+ .. core.privs_to_string(
+ core.get_player_privs(revoke_name), ' ')
+ end,
+})
+
+core.register_chatcommand("setpassword", {
+ params = "<name> <password>",
+ description = "Set player's password",
+ privs = {password=true},
+ func = function(name, param)
+ local toname, raw_password = string.match(param, "^([^ ]+) +(.+)$")
+ if not toname then
+ toname = param:match("^([^ ]+) *$")
+ raw_password = nil
+ end
+
+ if not toname then
+ return false, "Name field required"
+ end
+
+ local act_str_past, act_str_pres
+ if not raw_password then
+ core.set_player_password(toname, "")
+ act_str_past = "cleared"
+ act_str_pres = "clears"
+ else
+ core.set_player_password(toname,
+ core.get_password_hash(toname,
+ raw_password))
+ act_str_past = "set"
+ act_str_pres = "sets"
+ end
+
+ if toname ~= name then
+ core.chat_send_player(toname, "Your password was "
+ .. act_str_past .. " by " .. name)
+ end
+
+ core.log("action", name .. " " .. act_str_pres ..
+ " password of " .. toname .. ".")
+
+ return true, "Password of player \"" .. toname .. "\" " .. act_str_past
+ end,
+})
+
+core.register_chatcommand("clearpassword", {
+ params = "<name>",
+ description = "Set empty password for a player",
+ privs = {password=true},
+ func = function(name, param)
+ local toname = param
+ if toname == "" then
+ return false, "Name field required"
+ end
+ core.set_player_password(toname, '')
+
+ core.log("action", name .. " clears password of " .. toname .. ".")
+
+ return true, "Password of player \"" .. toname .. "\" cleared"
+ end,
+})
+
+core.register_chatcommand("auth_reload", {
+ params = "",
+ description = "Reload authentication data",
+ privs = {server=true},
+ func = function(name, param)
+ local done = core.auth_reload()
+ return done, (done and "Done." or "Failed.")
+ end,
+})
+
+core.register_chatcommand("remove_player", {
+ params = "<name>",
+ description = "Remove a player's data",
+ privs = {server=true},
+ func = function(name, param)
+ local toname = param
+ if toname == "" then
+ return false, "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, "Player \"" .. toname .. "\" removed."
+ elseif rc == 1 then
+ return true, "No such player \"" .. toname .. "\" to remove."
+ elseif rc == 2 then
+ return true, "Player \"" .. toname .. "\" is connected, cannot remove."
+ end
+
+ return false, "Unhandled remove_player return code " .. rc .. ""
+ end,
+})
+
+core.register_chatcommand("teleport", {
+ params = "<X>,<Y>,<Z> | <to_name> | (<name> <X>,<Y>,<Z>) | (<name> <to_name>)",
+ description = "Teleport to position or player",
+ privs = {teleport=true},
+ func = function(name, param)
+ -- Returns (pos, true) if found, otherwise (pos, false)
+ local function find_free_position_near(pos)
+ local tries = {
+ {x=1,y=0,z=0},
+ {x=-1,y=0,z=0},
+ {x=0,y=0,z=1},
+ {x=0,y=0,z=-1},
+ }
+ for _, d in ipairs(tries) do
+ local p = {x = pos.x+d.x, y = pos.y+d.y, z = pos.z+d.z}
+ local n = core.get_node_or_nil(p)
+ if n and n.name then
+ local def = core.registered_nodes[n.name]
+ if def and not def.walkable then
+ return p, true
+ end
+ end
+ end
+ return pos, false
+ end
+
+ local p = {}
+ p.x, p.y, p.z = string.match(param, "^([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
+ p.x = tonumber(p.x)
+ p.y = tonumber(p.y)
+ p.z = tonumber(p.z)
+ if p.x and p.y and p.z then
+
+ local lm = 31000
+ if p.x < -lm or p.x > lm or p.y < -lm or p.y > lm or p.z < -lm or p.z > lm then
+ return false, "Cannot teleport out of map bounds!"
+ end
+ local teleportee = core.get_player_by_name(name)
+ if teleportee then
+ teleportee:set_pos(p)
+ return true, "Teleporting to "..core.pos_to_string(p)
+ end
+ end
+
+ local target_name = param:match("^([^ ]+)$")
+ local teleportee = core.get_player_by_name(name)
+
+ p = nil
+ if target_name then
+ local target = core.get_player_by_name(target_name)
+ if target then
+ p = target:get_pos()
+ end
+ end
+
+ if teleportee and p then
+ p = find_free_position_near(p)
+ teleportee:set_pos(p)
+ return true, "Teleporting to " .. target_name
+ .. " at "..core.pos_to_string(p)
+ end
+
+ if not core.check_player_privs(name, {bring=true}) then
+ return false, "You don't have permission to teleport other players (missing bring privilege)"
+ end
+
+ teleportee = nil
+ p = {}
+ local teleportee_name
+ teleportee_name, p.x, p.y, p.z = param:match(
+ "^([^ ]+) +([%d.-]+)[, ] *([%d.-]+)[, ] *([%d.-]+)$")
+ p.x, p.y, p.z = tonumber(p.x), tonumber(p.y), tonumber(p.z)
+ if teleportee_name then
+ teleportee = core.get_player_by_name(teleportee_name)
+ end
+ if teleportee and p.x and p.y and p.z then
+ teleportee:set_pos(p)
+ return true, "Teleporting " .. teleportee_name
+ .. " to " .. core.pos_to_string(p)
+ end
+
+ teleportee = nil
+ p = nil
+ teleportee_name, target_name = string.match(param, "^([^ ]+) +([^ ]+)$")
+ if teleportee_name then
+ teleportee = core.get_player_by_name(teleportee_name)
+ end
+ if target_name then
+ local target = core.get_player_by_name(target_name)
+ if target then
+ p = target:get_pos()
+ end
+ end
+ if teleportee and p then
+ p = find_free_position_near(p)
+ teleportee:set_pos(p)
+ return true, "Teleporting " .. teleportee_name
+ .. " to " .. target_name
+ .. " at " .. core.pos_to_string(p)
+ end
+
+ return false, 'Invalid parameters ("' .. param
+ .. '") or player not found (see /help teleport)'
+ end,
+})
+
+core.register_chatcommand("set", {
+ params = "([-n] <name> <value>) | <name>",
+ description = "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 not core.settings:get(setname) then
+ return false, "Failed. Use '/set -n <name> <value>' to create a new setting."
+ end
+ core.settings:set(setname, setvalue)
+ return true, setname .. " = " .. setvalue
+ end
+
+ setname = string.match(param, "([^ ]+)")
+ if setname then
+ setvalue = core.settings:get(setname)
+ if not setvalue then
+ setvalue = "<not set>"
+ end
+ return true, setname .. " = " .. setvalue
+ end
+
+ return false, "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,
+ string.format("Finished emerging %d blocks in %.2fms.",
+ ctx.total_blocks, (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,
+ string.format("emergeblocks update: %d/%d blocks emerged (%.1f%%)",
+ ctx.current_blocks, ctx.total_blocks,
+ (ctx.current_blocks / ctx.total_blocks) * 100))
+
+ core.after(2, emergeblocks_progress_update, ctx)
+ end
+end
+
+core.register_chatcommand("emergeblocks", {
+ params = "(here [<radius>]) | (<pos1> <pos2>)",
+ description = "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, "Started emerge of area ranging from " ..
+ core.pos_to_string(p1, 1) .. " to " .. core.pos_to_string(p2, 1)
+ end,
+})
+
+core.register_chatcommand("deleteblocks", {
+ params = "(here [<radius>]) | (<pos1> <pos2>)",
+ description = "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, "Successfully cleared area ranging from " ..
+ core.pos_to_string(p1, 1) .. " to " .. core.pos_to_string(p2, 1)
+ else
+ return false, "Failed to clear one or more blocks in area"
+ end
+ end,
+})
+
+core.register_chatcommand("fixlight", {
+ params = "(here [<radius>]) | (<pos1> <pos2>)",
+ description = "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, "Successfully reset light in the area ranging from " ..
+ core.pos_to_string(p1, 1) .. " to " .. core.pos_to_string(p2, 1)
+ else
+ return false, "Failed to load one or more blocks in area"
+ end
+ end,
+})
+
+core.register_chatcommand("mods", {
+ params = "",
+ description = "List mods installed on the server",
+ privs = {},
+ func = function(name, param)
+ return true, table.concat(core.get_modnames(), ", ")
+ 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, "Cannot give an empty item"
+ elseif (not itemstack:is_known()) or (itemstack:get_name() == "unknown") then
+ return false, "Cannot give an unknown item"
+ -- Forbid giving 'ignore' due to unwanted side effects
+ elseif itemstack:get_name() == "ignore" then
+ return false, "Giving 'ignore' is not allowed"
+ end
+ local receiverref = core.get_player_by_name(receiver)
+ if receiverref == nil then
+ return false, receiver .. " is not a known player"
+ end
+ local leftover = receiverref:get_inventory():add_item("main", itemstack)
+ local partiality
+ if leftover:is_empty() then
+ partiality = ""
+ elseif leftover:get_count() == itemstack:get_count() then
+ partiality = "could not be "
+ else
+ partiality = "partially "
+ 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()
+ if giver == receiver then
+ local msg = "%q %sadded to inventory."
+ return true, msg:format(stackstring, partiality)
+ else
+ core.chat_send_player(receiver, ("%q %sadded to inventory.")
+ :format(stackstring, partiality))
+ local msg = "%q %sadded to %s's inventory."
+ return true, msg:format(stackstring, partiality, receiver)
+ end
+end
+
+core.register_chatcommand("give", {
+ params = "<name> <ItemString> [<count> [<wear>]]",
+ description = "Give item to player",
+ privs = {give=true},
+ func = function(name, param)
+ local toname, itemstring = string.match(param, "^([^ ]+) +(.+)$")
+ if not toname or not itemstring then
+ return false, "Name and ItemString required"
+ end
+ return handle_give_command("/give", name, toname, itemstring)
+ end,
+})
+
+core.register_chatcommand("giveme", {
+ params = "<ItemString> [<count> [<wear>]]",
+ description = "Give item to yourself",
+ privs = {give=true},
+ func = function(name, param)
+ local itemstring = string.match(param, "(.+)$")
+ if not itemstring then
+ return false, "ItemString required"
+ end
+ return handle_give_command("/giveme", name, name, itemstring)
+ end,
+})
+
+core.register_chatcommand("spawnentity", {
+ params = "<EntityName> [<X>,<Y>,<Z>]",
+ description = "Spawn entity at given (or your) position",
+ privs = {give=true, interact=true},
+ func = function(name, param)
+ local entityname, p = string.match(param, "^([^ ]+) *(.*)$")
+ if not entityname then
+ return false, "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, "Unable to spawn entity, player is nil"
+ end
+ if not core.registered_entities[entityname] then
+ return false, "Cannot spawn an unknown entity"
+ end
+ if p == "" then
+ p = player:get_pos()
+ else
+ p = core.string_to_pos(p)
+ if p == nil then
+ return false, "Invalid parameters ('" .. param .. "')"
+ end
+ end
+ p.y = p.y + 1
+ core.add_entity(p, entityname)
+ return true, ("%q spawned."):format(entityname)
+ end,
+})
+
+core.register_chatcommand("pulverize", {
+ params = "",
+ description = "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, "Unable to pulverize, no player."
+ end
+ local wielded_item = player:get_wielded_item()
+ if wielded_item:is_empty() then
+ return false, "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, "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 = "[<range>] [<seconds>] [<limit>]",
+ description = "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",
+ privs = {rollback=true},
+ func = function(name, param)
+ if not core.settings:get_bool("enable_rollback_recording") then
+ return false, "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, "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, "Checking " .. 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, "Rollback functions are disabled")
+ return
+ end
+ local num_actions = #actions
+ if num_actions == 0 then
+ core.chat_send_player(name, "Nobody has touched"
+ .. " the specified location in "
+ .. 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 %s %s -> %s %d seconds ago.")
+ :format(
+ core.pos_to_string(action.pos),
+ action.actor,
+ action.oldnode.name,
+ action.newnode.name,
+ time - action.time))
+ end
+ end
+
+ return true, "Punch a node (range=" .. range .. ", seconds="
+ .. seconds .. "s, limit=" .. limit .. ")"
+ end,
+})
+
+core.register_chatcommand("rollback", {
+ params = "(<name> [<seconds>]) | (:<actor> [<seconds>])",
+ description = "Revert actions of a player. Default for <seconds> is 60",
+ privs = {rollback=true},
+ func = function(name, param)
+ if not core.settings:get_bool("enable_rollback_recording") then
+ return false, "Rollback functions are disabled."
+ end
+ local target_name, seconds = string.match(param, ":([^ ]+) *(%d*)")
+ if not target_name then
+ local player_name
+ player_name, seconds = string.match(param, "([^ ]+) *(%d*)")
+ if not player_name then
+ return false, "Invalid parameters. See /help rollback"
+ .. " and /help rollback_check."
+ end
+ target_name = "player:"..player_name
+ end
+ seconds = tonumber(seconds) or 60
+ core.chat_send_player(name, "Reverting actions of "
+ .. target_name .. " since "
+ .. seconds .. " seconds.")
+ local success, log = core.rollback_revert_actions_by(
+ target_name, seconds)
+ local response = ""
+ if #log > 100 then
+ response = "(log is too long to show)\n"
+ else
+ for _, line in pairs(log) do
+ response = response .. line .. "\n"
+ end
+ end
+ response = response .. "Reverting actions "
+ .. (success and "succeeded." or "FAILED.")
+ return success, response
+ end,
+})
+
+core.register_chatcommand("status", {
+ description = "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, "This command was disabled by a mod or game"
+ end,
+})
+
+core.register_chatcommand("time", {
+ params = "[<0..23>:<0..59> | <0..24000>]",
+ description = "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, ("Current time is %d:%02d"):format(hour, minutes)
+ end
+ local player_privs = core.get_player_privs(name)
+ if not player_privs.settime then
+ return false, "You don't have permission to run this command " ..
+ "(missing privilege: settime)."
+ end
+ local hour, minute = param:match("^(%d+):(%d+)$")
+ if not hour then
+ local new_time = tonumber(param)
+ if not new_time then
+ return false, "Invalid time."
+ end
+ -- Backward compatibility.
+ core.set_timeofday((new_time % 24000) / 24000)
+ core.log("action", name .. " sets time to " .. new_time)
+ return true, "Time of day changed."
+ end
+ hour = tonumber(hour)
+ minute = tonumber(minute)
+ if hour < 0 or hour > 23 then
+ return false, "Invalid hour (must be between 0 and 23 inclusive)."
+ elseif minute < 0 or minute > 59 then
+ return false, "Invalid minute (must be between 0 and 59 inclusive)."
+ end
+ core.set_timeofday((hour * 60 + minute) / 1440)
+ core.log("action", ("%s sets time to %d:%02d"):format(name, hour, minute))
+ return true, "Time of day changed."
+ end,
+})
+
+core.register_chatcommand("days", {
+ description = "Show day count since world creation",
+ func = function(name, param)
+ return true, "Current day is " .. core.get_day_count()
+ end
+})
+
+core.register_chatcommand("shutdown", {
+ params = "[<delay_in_seconds> | -1] [reconnect] [<message>]",
+ description = "Shutdown server (-1 cancels a delayed shutdown)",
+ privs = {server=true},
+ func = function(name, param)
+ local delay, reconnect, message
+ delay, param = param:match("^%s*(%S+)(.*)")
+ if param then
+ reconnect, param = param:match("^%s*(%S+)(.*)")
+ end
+ message = param and param:match("^%s*(.+)") or ""
+ delay = tonumber(delay) or 0
+
+ if delay == 0 then
+ core.log("action", name .. " shuts down server")
+ core.chat_send_all("*** Server shutting down (operator request).")
+ end
+ core.request_shutdown(message:trim(), core.is_yes(reconnect), delay)
+ end,
+})
+
+core.register_chatcommand("ban", {
+ params = "[<name> | <IP_address>]",
+ description = "Ban player or show 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, "The ban list is empty."
+ else
+ return true, "Ban list: " .. ban_list
+ end
+ end
+ if not core.get_player_by_name(param) then
+ return false, "No such player."
+ end
+ if not core.ban_player(param) then
+ return false, "Failed to ban player."
+ end
+ local desc = core.get_ban_description(param)
+ core.log("action", name .. " bans " .. desc .. ".")
+ return true, "Banned " .. desc .. "."
+ end,
+})
+
+core.register_chatcommand("unban", {
+ params = "<name> | <IP_address>",
+ description = "Remove player ban",
+ privs = {ban=true},
+ func = function(name, param)
+ if not core.unban_player_or_ip(param) then
+ return false, "Failed to unban player/IP."
+ end
+ core.log("action", name .. " unbans " .. param)
+ return true, "Unbanned " .. param
+ end,
+})
+
+core.register_chatcommand("kick", {
+ params = "<name> [<reason>]",
+ description = "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, "Failed to kick player " .. tokick
+ end
+ local log_reason = ""
+ if reason then
+ log_reason = " with reason \"" .. reason .. "\""
+ end
+ core.log("action", name .. " kicks " .. tokick .. log_reason)
+ return true, "Kicked " .. tokick
+ end,
+})
+
+core.register_chatcommand("clearobjects", {
+ params = "[full | quick]",
+ description = "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, "Invalid usage, see /help clearobjects."
+ end
+
+ core.log("action", name .. " clears all objects ("
+ .. options.mode .. " mode).")
+ core.chat_send_all("Clearing all objects. This may take long."
+ .. " You may experience a timeout. (by "
+ .. name .. ")")
+ core.clear_objects(options)
+ core.log("action", "Object clearing done.")
+ core.chat_send_all("*** Cleared all objects.")
+ end,
+})
+
+core.register_chatcommand("msg", {
+ params = "<name> <message>",
+ description = "Send a private message",
+ privs = {shout=true},
+ func = function(name, param)
+ local sendto, message = param:match("^(%S+)%s(.+)$")
+ if not sendto then
+ return false, "Invalid usage, see /help msg."
+ end
+ if not core.get_player_by_name(sendto) then
+ return false, "The player " .. sendto
+ .. " is not online."
+ end
+ core.log("action", "PM from " .. name .. " to " .. sendto
+ .. ": " .. message)
+ core.chat_send_player(sendto, "PM from " .. name .. ": "
+ .. message)
+ return true, "Message sent."
+ end,
+})
+
+core.register_chatcommand("last-login", {
+ params = "[<name>]",
+ description = "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 then
+ -- Time in UTC, ISO 8601 format
+ return true, "Last login time was " ..
+ os.date("!%Y-%m-%dT%H:%M:%SZ", pauth.last_login)
+ end
+ return false, "Last login time is unknown"
+ end,
+})
+
+core.register_chatcommand("clearinv", {
+ params = "[<name>]",
+ description = "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, "You don't have permission"
+ .. " to clear another player's inventory (missing privilege: server)"
+ end
+ player = core.get_player_by_name(param)
+ core.chat_send_player(param, name.." cleared your inventory.")
+ 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, "Cleared "..player:get_player_name().."'s inventory."
+ else
+ return false, "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, "Players can't be killed, damage has been disabled."
+ end
+ local victimref = core.get_player_by_name(victim)
+ if victimref == nil then
+ return false, string.format("Player %s is not online.", victim)
+ elseif victimref:get_hp() <= 0 then
+ if killer == victim then
+ return false, "You are already dead."
+ else
+ return false, string.format("%s is already dead.", victim)
+ end
+ end
+ if not killer == victim then
+ core.log("action", string.format("%s killed %s", killer, victim))
+ end
+ -- Kill victim
+ victimref:set_hp(0)
+ return true, string.format("%s has been killed.", victim)
+end
+
+core.register_chatcommand("kill", {
+ params = "[<name>]",
+ description = "Kill player or yourself",
+ privs = {server=true},
+ func = function(name, param)
+ return handle_kill_command(name, param == "" and name or param)
+ end,
+})
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-09 00:05:45 +0000