mff/name_restrictions
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Author SHA1 Message Date
ShadowNinja
87ed4ade88 Allow players that already exist 
This prevents players from getting locked out due to a name policy
change or bug.
 2017-06-21 18:17:41 -04:00
ShadowNinja
1e6d9e01b7 Strip whitespace-like characters from names before checking them for similarity 
Previously, these characters whern't considered when checking for
conflicts, but they weren't removed -- meaning that a player named
"foo_" would prevent a player named "foo" from logging in, but not
the other way around.
 2017-06-21 18:02:21 -04:00
1 changed files with 28 additions and 6 deletions
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34
init.lua
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@ -18,6 +18,22 @@ exemptions[minetest.setting_get("name")] = true
exemptions["singleplayer"] = true
local function player_exempted(name)
-- Allow specifically exempted players
if exemptions[name] then
return true
end
-- Allow players that already exist
local auth = minetest.get_auth_handler()
if auth.get_auth(name) then
return true
end
return false
end
---------------------
-- Simple matching --
---------------------
@ -35,7 +51,7 @@ local disallowed = {
}
minetest.register_on_prejoinplayer(function(name, ip)
if exemptions[name] then return end
if player_exempted(name) then return end
-- Check for disallowed names
local lname = name:lower()
@ -52,7 +68,7 @@ end)
------------------------
minetest.register_on_prejoinplayer(function(name, ip)
if exemptions[name] then return end
if player_exempted(name) then return end
-- Check for used names
local lname = name:lower()
@ -129,10 +145,16 @@ all_chars = all_chars .. "]"
minetest.register_on_prejoinplayer(function(name, ip)
if exemptions[name] then return end
if player_exempted(name) then return end
-- String off dashes and underscores from the start and end of the name.
local stripped_name = name:match("^[_-]*(.-)[_-]*$")
if not stripped_name or stripped_name == "" then
return "Your name is composed solely of whitespace-like characters."
end
-- Generate a regular expression to match all similar names
local re = name:gsub(all_chars, char_map)
local re = stripped_name:gsub(all_chars, char_map)
re = "^[_-]*" .. re .. "[_-]*$"
for authName, _ in pairs(minetest.auth_table) do
@ -151,7 +173,7 @@ end)
local min_name_len = tonumber(minetest.setting_get("name_restrictions.minimum_name_length")) or 3
minetest.register_on_prejoinplayer(function(name, ip)
if exemptions[name] then return end
if player_exempted(name) then return end
if #name < min_name_len then
return "Your player name is too short, please try a longer name."
@ -214,7 +236,7 @@ end
local pronounceability = tonumber(minetest.setting_get("name_restrictions.pronounceability"))
if pronounceability then
minetest.register_on_prejoinplayer(function(name, ip)
if exemptions[name] then return end
if player_exempted(name) then return end
if not pronounceable(pronounceability, name) then
return "Your player name does not seem to be pronounceable."