Mô đun:Effective protection level

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 = mw.title.new(pagename)	else		title = mw.title.getCurrentTitle()	end	pagename = title.prefixedText	if action == 'autoreview' then		local level = mw.ext.FlaggedRevs.getStabilitySettings(title)		level = level and level.autoreview		if level == 'review' then			return 'reviewer'		elseif level ~= '' then			return level		else			return nil -- not '*'. a page not being PC-protected is distinct from it being PC-protected with anyone able to review. also not '', as that would mean PC-protected but nobody can review		end	elseif action ~= 'edit' and action ~= 'move' and action ~= 'create' and action ~= 'upload' and action ~= 'undelete' then		error( 'Tham số đầu tiên phải là một trong tham số edit, move, create, upload, undelete, autoreview', 2 )	end	if title.namespace == 8 then -- MediaWiki namespace		if title.text:sub(-3) == '.js' or title.text:sub(-4) == '.css' or title.contentModel == 'javascript' or title.contentModel == 'css' then -- site JS or CSS page			return 'interfaceadmin'		else -- any non-JS/CSS MediaWiki page			return 'sysop'		end	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'		end	end	if action == 'undelete' then		return 'sysop'	end	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 level == 'templateeditor' then		return 'templateeditor'	elseif level == 'editautopatrolprotected' then    	return 'autopatrol'	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 'templateeditor'		-- elseif title.namespace == 6 then		-- 	return 'filemover'		elseif level == 'extendedconfirmed' then			return 'extendedconfirmed'		else			return 'autoconfirmed'		end	end	local blacklistentry = mw.ext.TitleBlacklist.test(action, pagename)	if blacklistentry then		if not blacklistentry.params.autoconfirmed then			return 'templateeditor'		elseif level == 'extendedconfirmed' then			return 'extendedconfirmed'		else			return 'autoconfirmed'		end	elseif level == 'editsemiprotected' then -- create-semiprotected pages return this for some reason		return 'autoconfirmed'	elseif level then		return level	elseif action == 'upload' then		return 'autoconfirmed'	elseif action == 'create' and title.namespace % 2 == 0 and title.namespace ~= 118 then -- You need to be registered, but not autoconfirmed, to create non-talk pages other than drafts		return 'user'	else		return '*'	endendsetmetatable(p, { __index = function(t, k)	return function(frame)		return t._main(k, frame.args[1])	endend })return p