2019-10-10 09:34:25 +00:00
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import emailAddresses from "email-addresses";
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import punycode from "punycode";
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2019-10-15 12:26:31 +00:00
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import { parseErrorTypes } from "./../constants";
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import { EmailSettings } from './index';
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2019-10-10 06:41:19 +00:00
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2019-10-10 09:34:25 +00:00
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const getParts = string => {
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let mass = [];
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let e = string.replace(/[\s,;]*$/, ",");
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for (let t, i = false, o = 0, a = 0, s = e.length; s > a; a += 1) {
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switch (e.charAt(a)) {
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case ",":
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case ";":
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if (!i) {
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t = e.substring(o, a);
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t = t.trim();
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if (t) {
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mass.push(t);
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}
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o = a + 1;
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}
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break;
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case '"':
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"\\" !== e.charAt(a - 1) && '"' !== e.charAt(a + 1) && (i = !i);
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2019-10-10 06:41:19 +00:00
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}
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}
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2019-10-10 09:34:25 +00:00
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return mass;
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};
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2019-10-10 06:41:19 +00:00
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2019-10-10 09:34:25 +00:00
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const str2Obj = str => {
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let t = /^"(.*)"\s*<([^>]+)>$/,
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n = /^(.*)<([^>]+)>$/,
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i = str.match(t) || str.match(n);
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return i
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? {
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2019-10-11 17:53:43 +00:00
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name: i[1]
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.replace(/\\"/g, '"')
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.replace(/\\\\/g, "\\")
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.trim(),
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email: i[2].trim()
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}
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2019-10-10 09:34:25 +00:00
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: {
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2019-10-11 17:53:43 +00:00
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email: str
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};
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2019-10-10 09:34:25 +00:00
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};
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const obj2str = object => {
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let t = undefined;
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if (object.email) {
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t = object.email;
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object.name &&
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(t =
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'"' +
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object.name.replace(/\\/g, "\\\\").replace(/"/g, '\\"') +
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'" <' +
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t +
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">");
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2019-10-10 06:41:19 +00:00
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}
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2019-10-10 09:34:25 +00:00
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return t;
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};
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2019-10-10 06:41:19 +00:00
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2019-10-10 09:34:25 +00:00
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const normalizeString = str => {
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return obj2str(str2Obj(str));
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};
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2019-10-11 17:53:43 +00:00
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const checkErrors = (parsedAddress, options) => {
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2019-10-10 09:34:25 +00:00
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const errors = [];
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2019-10-14 10:57:46 +00:00
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2019-10-14 07:09:25 +00:00
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if (!options.allowLocalDomainName &&
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2019-10-14 10:57:46 +00:00
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(parsedAddress.domain.indexOf(".") === -1)) {
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errors.push({
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2019-10-14 10:57:46 +00:00
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message: "Local domains are not supported",
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2019-10-10 09:34:25 +00:00
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type: parseErrorTypes.IncorrectEmail,
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errorItem: parsedAddress
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});
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2019-10-10 06:41:19 +00:00
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}
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2019-10-16 09:19:24 +00:00
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if (!(options.allowDomainIp || options.allowDomainPunycode || options.allowLocalDomainName)
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&& !/(^((?!-)[a-zA-Z0-9-]{1,63}\.)+[a-zA-Z]{2,63}\.?$)/.test(parsedAddress.domain)) {
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errors.push({
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message: "Incorrect domain",
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type: parseErrorTypes.IncorrectEmail,
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errorItem: parsedAddress
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});
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}
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2019-10-10 09:34:25 +00:00
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if (
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2019-10-11 17:53:43 +00:00
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!options.allowDomainIp &&
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2019-10-10 09:34:25 +00:00
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parsedAddress.domain.indexOf("[") === 0 &&
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parsedAddress.domain.indexOf("]") === parsedAddress.domain.length - 1
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) {
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errors.push({
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message: "Domains as ip address are not supported",
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type: parseErrorTypes.IncorrectEmail,
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errorItem: parsedAddress
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});
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}
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2019-10-10 06:41:19 +00:00
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2019-10-11 17:53:43 +00:00
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if (!options.allowDomainPunycode && !/^[\x00-\x7F]+$/.test(punycode.toUnicode(parsedAddress.domain))) {
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2019-10-10 09:34:25 +00:00
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errors.push({
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message: "Punycode domains are not supported",
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type: parseErrorTypes.IncorrectEmail,
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errorItem: parsedAddress
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});
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}
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2019-10-10 06:41:19 +00:00
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2019-10-14 14:02:08 +00:00
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if (!options.allowLocalPartPunycode && parsedAddress.local.length > 0 && !/^[\x00-\x7F]+$/.test(punycode.toUnicode(parsedAddress.local))) {
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2019-10-14 07:09:25 +00:00
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errors.push({
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2019-10-14 10:57:46 +00:00
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message: "Punycode local part are not supported",
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2019-10-14 07:09:25 +00:00
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type: parseErrorTypes.IncorrectEmail,
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errorItem: parsedAddress
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});
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}
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2019-10-10 09:34:25 +00:00
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if (
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2019-10-14 10:57:46 +00:00
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options.allowStrictLocalPart &&
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2019-10-11 17:53:43 +00:00
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(!/^[\x00-\x7F]+$/.test(parsedAddress.local) ||
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!/^([a-zA-Z0-9]+)([_\-\.\+][a-zA-Z0-9]+)*$/.test(parsedAddress.local))
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2019-10-10 09:34:25 +00:00
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) {
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errors.push({
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message: "Incorrect localpart",
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type: parseErrorTypes.IncorrectEmail,
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errorItem: parsedAddress
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});
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}
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2019-10-10 06:41:19 +00:00
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2019-10-10 09:34:25 +00:00
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if (
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2019-10-11 17:53:43 +00:00
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!options.allowSpaces &&
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(/\s+/.test(parsedAddress.local) ||
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parsedAddress.local !== parsedAddress.parts.local.tokens)
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2019-10-10 09:34:25 +00:00
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) {
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errors.push({
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message: "Incorrect, localpart contains spaces",
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type: parseErrorTypes.IncorrectEmail,
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errorItem: parsedAddress
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});
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}
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2019-10-10 06:41:19 +00:00
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2019-10-11 17:53:43 +00:00
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if (!options.allowSpaces &&
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(/\s+/.test(parsedAddress.domain) ||
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parsedAddress.domain !== parsedAddress.parts.domain.tokens)
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2019-10-10 09:34:25 +00:00
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) {
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errors.push({
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message: "Incorrect, domain contains spaces",
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type: parseErrorTypes.IncorrectEmail,
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errorItem: parsedAddress
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});
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2019-10-10 06:41:19 +00:00
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}
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2019-10-14 10:57:46 +00:00
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if (parsedAddress.local.length > 64) {
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errors.push({
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message: "The maximum total length of a user name or other local-part is 64 characters. See RFC2821",
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type: parseErrorTypes.IncorrectEmail,
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errorItem: parsedAddress
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});
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}
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2019-10-10 09:34:25 +00:00
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return errors;
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};
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2019-10-10 06:41:19 +00:00
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2019-10-10 09:34:25 +00:00
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/**
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* Parse addresses from string
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* @param {String} str
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* @return {Array} result with array of Email objects
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*/
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2019-10-11 17:53:43 +00:00
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export const parseAddresses = (str, options = new EmailSettings()) => {
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if (!(options instanceof EmailSettings)) throw "Invalid options";
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2019-10-10 06:41:19 +00:00
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2019-10-10 09:34:25 +00:00
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const parts = getParts(str);
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const resultEmails = [];
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2019-10-10 06:41:19 +00:00
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2019-10-10 09:34:25 +00:00
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let i,
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n = parts.length;
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for (i = 0; i < n; i++) {
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const normalizedStr = normalizeString(parts[i]);
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const parsedAddress = emailAddresses.parseOneAddress(normalizedStr);
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2019-10-10 06:41:19 +00:00
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2019-10-10 09:34:25 +00:00
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const errors = [];
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2019-10-10 06:41:19 +00:00
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2019-10-11 17:53:43 +00:00
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if (!parsedAddress || (parsedAddress.name && !options.allowName)) {
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2019-10-10 09:34:25 +00:00
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errors.push({
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message: "Incorrect email",
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type: parseErrorTypes.IncorrectEmail
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});
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} else {
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2019-10-11 17:53:43 +00:00
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const checkOptionErrors = checkErrors(parsedAddress, options)
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2019-10-10 11:33:48 +00:00
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checkOptionErrors.length && errors.push(checkOptionErrors);
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2019-10-10 06:41:19 +00:00
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}
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2019-10-10 09:34:25 +00:00
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resultEmails.push(
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parsedAddress
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? new Email(parsedAddress.name, parsedAddress.address, errors)
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: new Email(null, parts[i], errors)
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);
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}
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2019-10-10 06:41:19 +00:00
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2019-10-10 09:34:25 +00:00
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return resultEmails;
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};
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2019-10-10 06:41:19 +00:00
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2019-10-10 09:34:25 +00:00
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/**
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* Parse address from string
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* @param {String} str
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* @return {Email} result
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*/
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2019-10-11 17:53:43 +00:00
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export const parseAddress = (str, options = new EmailSettings()) => {
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2019-10-10 09:34:25 +00:00
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const parsedEmails = parseAddresses(str, options);
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2019-10-11 17:53:43 +00:00
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if (!parsedEmails.length) {
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2019-10-10 09:34:25 +00:00
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return new Email("", str, [
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{ message: "No one email parsed", type: parseErrorTypes.EmptyRecipients }
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]);
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2019-10-10 06:41:19 +00:00
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}
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2019-10-11 17:53:43 +00:00
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if (parsedEmails.length > 1) {
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2019-10-10 09:34:25 +00:00
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return new Email("", str, [
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2019-10-16 05:57:19 +00:00
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{ message: "Too many email parsed", type: parseErrorTypes.IncorrectEmail }
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2019-10-10 09:34:25 +00:00
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]);
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2019-10-10 06:41:19 +00:00
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}
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2019-10-10 09:34:25 +00:00
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const resultEmail = parsedEmails[0];
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return resultEmail;
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};
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/**
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* Check domain validity
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* @param {String} domain
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* @return {Bool} result
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*/
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export const isValidDomainName = domain => {
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let parsed = emailAddresses.parseOneAddress("test@" + domain);
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2019-10-16 09:19:24 +00:00
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if (!parsed) return false;
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2019-10-10 09:34:25 +00:00
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return parsed && parsed.domain === domain && domain.indexOf(".") !== -1;
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};
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/**
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* Compare emails
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* @param {String}/{Object} email1
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* @param {String}/{Object} email2
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* @return {Bool} result
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*/
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export const isEqualEmail = (email1, email2) => {
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let parsed1 = parseAddress(email1);
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let parsed2 = parseAddress(email2);
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if (!parsed1.isValid || !parsed2.isValid) {
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return false;
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2019-10-10 06:41:19 +00:00
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}
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2019-10-10 09:34:25 +00:00
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return parsed1.email === parsed2.email;
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};
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export class Email {
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constructor(name, email, parseErrors) {
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this.name = name || "";
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this.email = email;
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this.parseErrors = parseErrors;
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}
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isValid = () => {
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return this.parseErrors.length === 0;
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};
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2019-10-11 17:53:43 +00:00
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equals = function (addr) {
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2019-10-10 09:34:25 +00:00
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if (typeof addr === "object" && addr instanceof Email) {
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return this.email === addr.email && this.name === addr.name;
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} else if (typeof addr === "string") {
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2019-10-16 09:19:24 +00:00
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let parsed = parseAddress(addr);
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2019-10-10 09:34:25 +00:00
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return this.email === parsed.email && this.name === parsed.name;
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}
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return false;
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};
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2019-10-10 06:41:19 +00:00
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}
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