300 lines
7.3 KiB
JavaScript
300 lines
7.3 KiB
JavaScript
/* eslint-disable no-useless-escape, no-control-regex */
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import emailAddresses from "email-addresses";
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import punycode from "punycode";
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import { parseErrorTypes, errorKeys } from "./../constants";
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import { EmailSettings } from "./emailSettings";
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const getParts = (string) => {
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let mass = [];
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let e = string.replace(/[\s,;]*$/, ",");
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for (let t, i = false, o = 0, a = 0, s = e.length; s > a; a += 1) {
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switch (e.charAt(a)) {
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case ",":
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case ";":
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if (!i) {
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t = e.substring(o, a);
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t = t.trim();
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if (t) {
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mass.push(t);
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}
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o = a + 1;
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}
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break;
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case '"':
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"\\" !== e.charAt(a - 1) && '"' !== e.charAt(a + 1) && (i = !i);
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}
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}
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return mass;
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};
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const str2Obj = (str) => {
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let t = /^"(.*)"\s*<([^>]+)>$/,
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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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name: i[1].replace(/\\"/g, '"').replace(/\\\\/g, "\\").trim(),
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email: i[2].trim(),
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}
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: {
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email: str,
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};
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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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}
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return t;
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};
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const normalizeString = (str) => {
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return obj2str(str2Obj(str));
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};
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const checkErrors = (parsedAddress, options) => {
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const errors = [];
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if (
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!options.allowLocalDomainName &&
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parsedAddress.domain.indexOf(".") === -1
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) {
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errors.push({
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message: "Local domains are not supported",
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type: parseErrorTypes.IncorrectEmail,
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errorItem: parsedAddress,
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errorKey: errorKeys.LocalDomain,
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});
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}
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if (
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!(
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options.allowDomainIp ||
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options.allowDomainPunycode ||
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options.allowLocalDomainName
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) &&
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!/(^((?!-)[a-zA-Z0-9-]{1,63}\.)+[a-zA-Z]{2,63}\.?$)/.test(
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parsedAddress.domain
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)
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) {
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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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errorKey: errorKeys.IncorrectDomain,
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});
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}
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if (
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!options.allowDomainIp &&
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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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errorKey: errorKeys.DomainIpAddress,
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});
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}
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if (
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!options.allowDomainPunycode &&
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!/^[\x00-\x7F]+$/.test(punycode.toUnicode(parsedAddress.domain))
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) {
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errors.push({
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message: "Punycode domains are not supported",
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type: parseErrorTypes.IncorrectEmail,
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errorItem: parsedAddress,
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errorKey: errorKeys.PunycodeDomain,
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});
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}
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if (
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!options.allowLocalPartPunycode &&
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parsedAddress.local.length > 0 &&
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!/^[\x00-\x7F]+$/.test(punycode.toUnicode(parsedAddress.local))
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) {
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errors.push({
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message: "Punycode local part are not supported",
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type: parseErrorTypes.IncorrectEmail,
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errorItem: parsedAddress,
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errorKey: errorKeys.PunycodeLocalPart,
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});
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}
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if (
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options.allowStrictLocalPart &&
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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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) {
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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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errorKey: errorKeys.IncorrectLocalPart,
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});
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}
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if (
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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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) {
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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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errorKey: errorKeys.SpacesInLocalPart,
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});
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}
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if (parsedAddress.local.length > 64) {
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errors.push({
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message:
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"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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errorKey: errorKeys.MaxLengthExceeded,
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});
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}
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return errors;
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};
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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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export const parseAddresses = (str, options = new EmailSettings()) => {
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if (!(options instanceof EmailSettings))
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throw new TypeError("Invalid options");
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const parts = getParts(str);
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const resultEmails = [];
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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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const errors = [];
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if (!parsedAddress || (parsedAddress.name && !options.allowName)) {
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errors.push({
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message: "Incorrect email",
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type: parseErrorTypes.IncorrectEmail,
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errorKey: errorKeys.IncorrectEmail,
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});
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} else {
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const checkOptionErrors = checkErrors(parsedAddress, options);
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checkOptionErrors.length && errors.push(...checkOptionErrors);
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}
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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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return resultEmails;
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};
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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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export const parseAddress = (str, options = new EmailSettings()) => {
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const parsedEmails = parseAddresses(str, options);
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if (!parsedEmails.length) {
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return new Email("", str, [
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{
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message: "No one email parsed",
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type: parseErrorTypes.EmptyRecipients,
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errorKey: errorKeys.EmptyEmail,
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},
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]);
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}
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if (parsedEmails.length > 1) {
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return new Email("", str, [
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{
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message: "Too many email parsed",
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type: parseErrorTypes.IncorrectEmail,
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errorKey: errorKeys.ManyEmails,
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},
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]);
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}
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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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if (!parsed) return false;
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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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const emailSettings = new EmailSettings();
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emailSettings.disableAllSettings();
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const parsed1 = parseAddress(email1, emailSettings);
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const parsed2 = parseAddress(email2, emailSettings);
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if (!parsed1.isValid() || !parsed2.isValid()) {
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return false;
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}
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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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equals = function (addr) {
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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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const parsed = parseAddress(addr);
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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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}
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