import {Pattern} from "@lion/form-core"; export class IsEmail extends Pattern { /** * Regexes for validating email addresses incl. email in angle-brackets eg. * + "Ralf Becker <rb@egroupware.org>" * + "Ralf Becker (EGroupware GmbH) <rb@egroupware.org>" * + "<rb@egroupware.org>" or "rb@egroupware.org" * + '"Becker, Ralf" <rb@egroupware.org>' * + "'Becker, Ralf' <rb@egroupware.org>" * but NOT: * - "Becker, Ralf <rb@egroupware.org>" (contains comma outside " or ' enclosed block) * - "Becker < Ralf <rb@egroupware.org>" (contains < ----------- " ---------------) * * About umlaut or IDN domains: we currently only allow German umlauts in domain part! * We forbid all non-ascii chars in local part, as Horde does not yet support SMTPUTF8 extension (rfc6531) * and we get a "SMTP server does not support internationalized header data" error otherwise. * * Using \042 instead of " to NOT stall minifyer! * * Similar, but not identical, preg is in Etemplate\Widget\Url PHP class! * We can not use "(?<![.\s])", used to check that name-part does not end in * a dot or white-space. The expression is valid in recent Chrome, but fails * eg. in Safari 11.0 or node.js 4.8.3 and therefore grunt uglify! * Server-side will fail in that case because it uses the full regexp. */ static EMAIL_PREG : RegExp = /^(([^\042',<][^,<]+|\042[^\042]+\042|\'[^\']+\'|"(?:[^"\\]|\\.)*")\s?<)?[^\x00-\x20()\xe2\x80\x8b<>@,;:\042\[\]\x80-\xff]+@([a-z0-9ÄÖÜäöüß](|[a-z0-9ÄÖÜäöüß_-]*[a-z0-9ÄÖÜäöüß])\.)+[a-z]{2,}>?$/i; constructor() { super(IsEmail.EMAIL_PREG); } /** * Give a message about this field being required. Could be customised according to MessageData. * @param {MessageData | undefined} data * @returns {Promise<string>} */ static async getMessage(data) { return data.formControl.egw().lang("Invalid email") + (data.modelValue ? ' "' + data.modelValue + '"' : ""); } }