diff options
Diffstat (limited to 'builtin/game')
| -rw-r--r-- | builtin/game/auth.lua | 119 |
1 files changed, 37 insertions, 82 deletions
diff --git a/builtin/game/auth.lua b/builtin/game/auth.lua index ad2f35a13..7aedfc82e 100644 --- a/builtin/game/auth.lua +++ b/builtin/game/auth.lua @@ -4,72 +4,22 @@ -- Builtin authentication handler -- -local auth_file_path = core.get_worldpath().."/auth.txt" -local auth_table = {} - -local function read_auth_file() - local newtable = {} - local file, errmsg = io.open(auth_file_path, 'rb') - if not file then - core.log("info", 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) - auth_table = newtable - core.notify_authentication_modified() -end - -local function save_auth_file() - local newtable = {} - -- Check table for validness before attempting to save - for name, stuff in pairs(auth_table) do - assert(type(name) == "string") - assert(name ~= "") - assert(type(stuff) == "table") - assert(type(stuff.password) == "string") - assert(type(stuff.privileges) == "table") - assert(stuff.last_login == nil or type(stuff.last_login) == "number") - end - local content = {} - for name, stuff in pairs(auth_table) do - local priv_string = core.privs_to_string(stuff.privileges) - local parts = {name, stuff.password, priv_string, stuff.last_login or ""} - content[#content + 1] = table.concat(parts, ":") - end - if not core.safe_file_write(auth_file_path, table.concat(content, "\n")) then - error(auth_file_path.." could not be written to") - end -end - -read_auth_file() +-- Make the auth object private, deny access to mods +local core_auth = core.auth +core.auth = nil core.builtin_auth_handler = { get_auth = function(name) assert(type(name) == "string") - -- Figure out what password to use for a new player (singleplayer - -- always has an empty password, otherwise use default, which is - -- usually empty too) - local new_password_hash = "" - -- If not in authentication table, return nil - if not auth_table[name] then + local auth_entry = core_auth.read(name) + -- If no such auth found, return nil + if not auth_entry then return nil end -- Figure out what privileges the player should have. -- Take a copy of the privilege table local privileges = {} - for priv, _ in pairs(auth_table[name].privileges) do + for priv, _ in pairs(auth_entry.privileges) do privileges[priv] = true end -- If singleplayer, give all privileges except those marked as give_to_singleplayer = false @@ -89,85 +39,89 @@ core.builtin_auth_handler = { end -- All done return { - password = auth_table[name].password, + password = auth_entry.password, privileges = privileges, -- Is set to nil if unknown - last_login = auth_table[name].last_login, + last_login = auth_entry.last_login, } end, create_auth = function(name, password) assert(type(name) == "string") assert(type(password) == "string") core.log('info', "Built-in authentication handler adding player '"..name.."'") - auth_table[name] = { + return core_auth.create({ + name = name, password = password, privileges = core.string_to_privs(core.settings:get("default_privs")), last_login = os.time(), - } - save_auth_file() + }) end, delete_auth = function(name) assert(type(name) == "string") - if not auth_table[name] then + local auth_entry = core_auth.read(name) + if not auth_entry then return false end core.log('info', "Built-in authentication handler deleting player '"..name.."'") - auth_table[name] = nil - save_auth_file() - return true + return core_auth.delete(name) end, set_password = function(name, password) assert(type(name) == "string") assert(type(password) == "string") - if not auth_table[name] then + local auth_entry = core_auth.read(name) + if not auth_entry then core.builtin_auth_handler.create_auth(name, password) else core.log('info', "Built-in authentication handler setting password of player '"..name.."'") - auth_table[name].password = password - save_auth_file() + auth_entry.password = password + core_auth.save(auth_entry) end return true end, set_privileges = function(name, privileges) assert(type(name) == "string") assert(type(privileges) == "table") - if not auth_table[name] then - core.builtin_auth_handler.create_auth(name, + local auth_entry = core_auth.read(name) + if not auth_entry then + auth_entry = core.builtin_auth_handler.create_auth(name, core.get_password_hash(name, core.settings:get("default_password"))) end -- Run grant callbacks for priv, _ in pairs(privileges) do - if not auth_table[name].privileges[priv] then + if not auth_entry.privileges[priv] then core.run_priv_callbacks(name, priv, nil, "grant") end end -- Run revoke callbacks - for priv, _ in pairs(auth_table[name].privileges) do + for priv, _ in pairs(auth_entry.privileges) do if not privileges[priv] then core.run_priv_callbacks(name, priv, nil, "revoke") end end - auth_table[name].privileges = privileges + auth_entry.privileges = privileges + core_auth.save(auth_entry) core.notify_authentication_modified(name) - save_auth_file() end, reload = function() - read_auth_file() + core_auth.reload() return true end, record_login = function(name) assert(type(name) == "string") - assert(auth_table[name]).last_login = os.time() - save_auth_file() + local auth_entry = core_auth.read(name) + assert(auth_entry) + auth_entry.last_login = os.time() + core_auth.save(auth_entry) end, iterate = function() local names = {} - for k in pairs(auth_table) do - names[k] = true + local nameslist = core_auth.list_names() + for k,v in pairs(nameslist) do + names[v] = true end return pairs(names) end, @@ -177,12 +131,13 @@ core.register_on_prejoinplayer(function(name, ip) if core.registered_auth_handler ~= nil then return -- Don't do anything if custom auth handler registered end - if auth_table[name] ~= nil then + local auth_entry = core_auth.read(name) + if auth_entry ~= nil then return end local name_lower = name:lower() - for k in pairs(auth_table) do + for k in core.builtin_auth_handler.iterate() do if k:lower() == name_lower then return string.format("\nCannot create new player called '%s'. ".. "Another account called '%s' is already registered. ".. |