Module:Effective protection level

Module documentation

This module provides a way to retrieve the group required to perform a given action on a page. It currently tests the following criteria:

  • The page being in the MediaWiki namespace: sysop
  • The page being a JavaScript or CSS subpage in userspace: interfaceadmin
  • The page being a JSON subpage in userspace: sysop
  • The page being protected: sysop or autoconfirmed
  • The page being used in a cascading-protected page: sysop
  • The page's title matching the titleblacklist: sysop or autoconfirmed
  • A file being moved: sysop
  • A page being moved: autoconfirmed
  • A file being uploaded: uploader
  • Anything else: *


Warning: This module will use up to 4 expensive parser function calls each time it is ran. It should only be used if the exact effective protection level is necessary. Otherwise, consider using title.protectionLevels instead.

From other modules[edit]

To load this module:

local effectiveProtectionLevel = require('Module:Effective protection level')._main

The function accepts two parameters. The first is a string containing the action to check, which must be one of "edit", "create", "move", "upload", or "autoreview". The second is optional, and can either be the name of the page to check, or a title returned from the mw.title functions. If the second parameter is omitted, the page being displayed is the one checked against. The return value is a string containing the name of the group required to perform the given action.

From wikitext[edit]

The parameters are the same as when it is called directly.

{{#invoke:Effective protection level|action|title}}

See also[edit]

local p = {}

-- Returns the permission required to perform a given action on a given title.
-- If no title is specified, the title of the page being displayed is used.
function p._main(action, pagename)
	local title
	if type(pagename) == 'table' and pagename.prefixedText then
		title = pagename
	elseif pagename then
		title =
		title = mw.title.getCurrentTitle()
	pagename = title.prefixedText
	if action ~= 'edit' and action ~= 'move' and action ~= 'create' and action ~= 'upload' then
		error( 'First parameter must be one of edit, move, create, upload', 2 )
	if title.namespace == 8 then -- MediaWiki namespace
		if title.contentModel == 'javascript' or title.contentModel == 'css' then -- site JS or CSS page
			return 'interfaceadmin'
		else -- any non-JS/CSS MediaWiki page
			return 'sysop'
	elseif title.namespace == 2 and title.isSubpage then
		if title.contentModel == 'javascript' or title.contentModel == 'css' then -- user JS or CSS page
			return 'interfaceadmin'
		elseif title.contentModel == 'json' then -- user JSON page
			return 'sysop'
	local level = title.protectionLevels[action] and title.protectionLevels[action][1]
	if level == 'sysop' or level == 'editprotected' then
		return 'sysop'
	elseif title.cascadingProtection.restrictions[action] and title.cascadingProtection.restrictions[action][1] then -- used by a cascading-protected page
		return 'sysop'
	elseif action == 'move' then
		local blacklistentry = mw.ext.TitleBlacklist.test('edit', pagename) -- Testing action edit is correct, since this is for the source page. The target page name gets tested with action move.
		if blacklistentry and not blacklistentry.params.autoconfirmed then
			return 'sysop'
		elseif title.namespace == 6 then
			return 'sysop'
			return 'autoconfirmed'
	local blacklistentry = mw.ext.TitleBlacklist.test(action, pagename)
	if blacklistentry then
		if not blacklistentry.params.autoconfirmed then
			return 'sysop'
			return 'autoconfirmed'
	elseif level == 'editsemiprotected' then -- create-semiprotected pages return this for some reason
		return 'autoconfirmed'
	elseif level then
		return level
	elseif action == 'upload' then
		return 'uploader'
		return '*'

setmetatable(p, { __index = function(t, k)
	return function(frame)
		return t._main(k, frame.args[1])
end })

return p