trim teleport_tube string input

This commit is contained in:
Tim 2015-02-02 19:33:41 +01:00
parent 95a6ec93e7
commit dc58fe8467
1 changed files with 9 additions and 7 deletions

View File

@ -154,27 +154,29 @@ pipeworks.register_tube("pipeworks:teleport_tube", {
meta:set_string("infotext", "unconfigured Teleportation Tube")
end,
on_receive_fields = function(pos,formname,fields,sender)
if not fields.channel then
local new_channel = tostring(fields.channel)
if not new_channel then
return -- ignore escaping or clientside manipulation of the form
end
new_channel = new_channel:trim()
local meta = minetest.get_meta(pos)
local can_receive = meta:get_int("can_receive")
-- check for private channels each time before actually changing anything
-- to not even allow switching between can_receive states of private channels
if fields.channel ~= "" then
if new_channel ~= "" then
local sender_name = sender:get_player_name()
local name, mode = fields.channel:match("^([^:;]+)([:;])")
local name, mode = new_channel:match("^([^:;]+)([:;])")
if name and mode and name ~= sender_name then
--channels starting with '[name]:' can only be used by the named player
if mode == ":" then
minetest.chat_send_player(sender_name, "Sorry, channel '"..fields.channel.."' is reserved for exclusive use by "..name)
minetest.chat_send_player(sender_name, "Sorry, channel '"..new_channel.."' is reserved for exclusive use by "..name)
return
--channels starting with '[name];' can be used by other players, but cannot be received from
elseif mode == ";" and (fields.cr1 or (can_receive ~= 0 and not fields.cr0)) then
minetest.chat_send_player(sender_name, "Sorry, receiving from channel '"..fields.channel.."' is reserved for "..name)
minetest.chat_send_player(sender_name, "Sorry, receiving from channel '"..new_channel.."' is reserved for "..name)
return
end
end
@ -184,8 +186,8 @@ pipeworks.register_tube("pipeworks:teleport_tube", {
-- was the channel changed?
local channel = meta:get_string("channel")
if fields.channel ~= channel then
channel = fields.channel
if new_channel ~= channel then
channel = new_channel
meta:set_string("channel", channel)
dirty = true
end