X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=builtin%2Fgame%2Fauth.lua;h=46fe3d342778c50e15dac1d681ac7929a543a45d;hb=a1346c916e1d0f0cde2ccecc680857896c717a3d;hp=baeb0159c99227f307b53722bd1ebc11d66461e5;hpb=90b6de173ed1321e721599fcfd322b4ba616427f;p=minetest.git

diff --git a/builtin/game/auth.lua b/builtin/game/auth.lua
index baeb0159c..46fe3d342 100644
--- a/builtin/game/auth.lua
+++ b/builtin/game/auth.lua
@@ -7,7 +7,7 @@
 function core.string_to_privs(str, delim)
 	assert(type(str) == "string")
 	delim = delim or ','
-	privs = {}
+	local privs = {}
 	for _, priv in pairs(string.split(str, delim)) do
 		privs[priv:trim()] = true
 	end
@@ -17,10 +17,10 @@ end
 function core.privs_to_string(privs, delim)
 	assert(type(privs) == "table")
 	delim = delim or ','
-	list = {}
+	local list = {}
 	for priv, bool in pairs(privs) do
 		if bool then
-			table.insert(list, priv)
+			list[#list + 1] = priv
 		end
 	end
 	return table.concat(list, delim)
@@ -171,6 +171,7 @@ function core.register_authentication_handler(handler)
 	end
 	core.registered_auth_handler = handler
 	core.registered_auth_handler_modname = core.get_current_modname()
+	handler.mod_origin = core.registered_auth_handler_modname
 end
 
 function core.get_auth_handler()
@@ -198,3 +199,19 @@ core.register_on_joinplayer(function(player)
 	record_login(player:get_player_name())
 end)
 
+core.register_on_prejoinplayer(function(name, ip)
+	local auth = core.auth_table
+	if auth[name] ~= nil then
+		return
+	end
+
+	local name_lower = name:lower()
+	for k in pairs(auth) do
+		if k:lower() == name_lower then
+			return string.format("\nCannot create new player called '%s'. "..
+					"Another account called '%s' is already registered. "..
+					"Please check the spelling if it's your account "..
+					"or use a different nickname.", name, k)
+		end
+	end
+end)