1
0
CompleteNodeJS/notes-app/node_modules/validator/lib/isEmail.js
Jason Williams 6528d7204a Section 20
2019-08-11 12:15:16 -06:00

131 lines
4.1 KiB
JavaScript

'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = isEmail;
var _assertString = require('./util/assertString');
var _assertString2 = _interopRequireDefault(_assertString);
var _merge = require('./util/merge');
var _merge2 = _interopRequireDefault(_merge);
var _isByteLength = require('./isByteLength');
var _isByteLength2 = _interopRequireDefault(_isByteLength);
var _isFQDN = require('./isFQDN');
var _isFQDN2 = _interopRequireDefault(_isFQDN);
var _isIP = require('./isIP');
var _isIP2 = _interopRequireDefault(_isIP);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var default_email_options = {
allow_display_name: false,
require_display_name: false,
allow_utf8_local_part: true,
require_tld: true
};
/* eslint-disable max-len */
/* eslint-disable no-control-regex */
var displayName = /^[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~\.\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~\,\.\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF\s]*<(.+)>$/i;
var emailUserPart = /^[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~]+$/i;
var gmailUserPart = /^[a-z\d]+$/;
var quotedEmailUser = /^([\s\x01-\x08\x0b\x0c\x0e-\x1f\x7f\x21\x23-\x5b\x5d-\x7e]|(\\[\x01-\x09\x0b\x0c\x0d-\x7f]))*$/i;
var emailUserUtf8Part = /^[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+$/i;
var quotedEmailUserUtf8 = /^([\s\x01-\x08\x0b\x0c\x0e-\x1f\x7f\x21\x23-\x5b\x5d-\x7e\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]|(\\[\x01-\x09\x0b\x0c\x0d-\x7f\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))*$/i;
/* eslint-enable max-len */
/* eslint-enable no-control-regex */
function isEmail(str, options) {
(0, _assertString2.default)(str);
options = (0, _merge2.default)(options, default_email_options);
if (options.require_display_name || options.allow_display_name) {
var display_email = str.match(displayName);
if (display_email) {
str = display_email[1];
} else if (options.require_display_name) {
return false;
}
}
var parts = str.split('@');
var domain = parts.pop();
var user = parts.join('@');
var lower_domain = domain.toLowerCase();
if (options.domain_specific_validation && (lower_domain === 'gmail.com' || lower_domain === 'googlemail.com')) {
/*
Previously we removed dots for gmail addresses before validating.
This was removed because it allows `multiple..dots@gmail.com`
to be reported as valid, but it is not.
Gmail only normalizes single dots, removing them from here is pointless,
should be done in normalizeEmail
*/
user = user.toLowerCase();
// Removing sub-address from username before gmail validation
var username = user.split('+')[0];
// Dots are not included in gmail length restriction
if (!(0, _isByteLength2.default)(username.replace('.', ''), { min: 6, max: 30 })) {
return false;
}
var _user_parts = username.split('.');
for (var i = 0; i < _user_parts.length; i++) {
if (!gmailUserPart.test(_user_parts[i])) {
return false;
}
}
}
if (!(0, _isByteLength2.default)(user, { max: 64 }) || !(0, _isByteLength2.default)(domain, { max: 254 })) {
return false;
}
if (!(0, _isFQDN2.default)(domain, { require_tld: options.require_tld })) {
if (!options.allow_ip_domain) {
return false;
}
if (!(0, _isIP2.default)(domain)) {
if (!domain.startsWith('[') || !domain.endsWith(']')) {
return false;
}
var noBracketdomain = domain.substr(1, domain.length - 2);
if (noBracketdomain.length === 0 || !(0, _isIP2.default)(noBracketdomain)) {
return false;
}
}
}
if (user[0] === '"') {
user = user.slice(1, user.length - 1);
return options.allow_utf8_local_part ? quotedEmailUserUtf8.test(user) : quotedEmailUser.test(user);
}
var pattern = options.allow_utf8_local_part ? emailUserUtf8Part : emailUserPart;
var user_parts = user.split('.');
for (var _i = 0; _i < user_parts.length; _i++) {
if (!pattern.test(user_parts[_i])) {
return false;
}
}
return true;
}
module.exports = exports['default'];