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|
-- Minetest: builtin/auth.lua
--
-- Authentication handler
--
function core.string_to_privs(str, delim)
assert(type(str) == "string")
delim = delim or ','
local privs = {}
for _, priv in pairs(string.split(str, delim)) do
privs[priv:trim()] = true
end
return privs
end
function core.privs_to_string(privs, delim)
assert(type(privs) == "table")
delim = delim or ','
local list = {}
for priv, bool in pairs(privs) do
if bool then
list[#list + 1] = priv
end
end
return table.concat(list, delim)
end
assert(core.string_to_privs("a,b").b == true)
assert(core.privs_to_string({a=true,b=true}) == "a,b")
core.auth_file_path = core.get_worldpath().."/auth.txt"
core.auth_table = {}
local function read_auth_file()
local newtable = {}
local file, errmsg = io.open(core.auth_file_path, 'rb')
if not file then
core.log("info", core.auth_file_path.." could not be opened for reading ("..errmsg.."); assuming new world")
return
end
for line in file:lines() do
if line ~= "" then
local fields = line:split(":", true)
local name, password, privilege_string, last_login = unpack(fields)
last_login = tonumber(last_login)
if not (name and password and privilege_string) then
error("Invalid line in auth.txt: "..dump(line))
end
local privileges = core.string_to_privs(privilege_string)
newtable[name] = {password=password, privileges=privileges, last_login=last_login}
end
end
io.close(file)
core.auth_table = newtable
core.notify_authentication_modified()
end
local function save_auth_file()
local newtable = {}
|
