Wikipedia>Ahecht: Protected "Module:User name utils": High-risk template or module ([Edit=Require template editor access] (indefinite) [Move=Require template editor access] (indefinite))

2026-09-10T13:46:15Z

Protected "Module:User name utils": High-risk template or module ([Edit=Require template editor access] (indefinite) [Move=Require template editor access] (indefinite))

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-- Lua implementation of mediawiki/core/+/refs/heads/master/includes/User/UserNameUtils.php
-- with the default RIGOR_VALID option

local p = {}

local IPV4_ADDRESS = "%d%d?%d?%.%d%d?%d?%.%d%d?%d?%.%d%d?%d?"
local lang = mw.getContentLanguage()

function p._getCanonical(name)
if (name or '') == '' then
return false
end

-- force usernames to capital
name = lang:ucfirst(name)

-- Reject names containing '#'; these will be cleaned up
-- with title normalisation, but then it's too late to
-- check elsewhere
if mw.ustring.match(name, "#") then
return false
end

-- Clean up name according to title rules
local title = mw.title.new(name,2)

-- Check for invalid titles
if title == nil or title.namespace ~= 2 or title.isExternal then
return false
end

name = title.text

return p._isValid(name) and name or false
end

function p._isValid(name)
if (name or '') == '' or
require('Module:IPAddress')._isIpOrRange(name) ~= "" or
mw.ustring.match(name, "^" .. IPV4_ADDRESS .. "$") or -- anyIPv4, even if invalid
mw.ustring.match(name, "^" .. IPV4_ADDRESS .. "-" .. IPV4_ADDRESS .. "$") or -- isLikeIPv4DashRange
mw.ustring.match(name, "/") or
name ~= lang:ucfirst(name) then
return false
end

-- Ensure that the name can't be misresolved as a different title,
-- such as with extra namespace keys at the start.
local title = mw.title.new(name)
if not title or
title.namespace ~= 0 or
name ~= title.text then
return false
end

return true
end

function p.getCanonical(frame)
local name = p._getCanonical(frame.args[1])
return name and name or ""
end

function p.isValid(frame)
return p._isValid(frame.args[1]) and "1" or ""
end

return p

Module:User name utils - Revision history

Wikipedia>Ahecht: Protected "Module:User name utils": High-risk template or module ([Edit=Require template editor access] (indefinite) [Move=Require template editor access] (indefinite))