mirror of
https://github.com/the-djmaze/snappymail.git
synced 2024-09-20 23:55:55 +08:00
475 lines
10 KiB
JavaScript
475 lines
10 KiB
JavaScript
import { encodeHtml } from 'Common/Utils';
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'use strict';
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/**
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* Parses structured e-mail addresses from an address field
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*
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* Example:
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*
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* "Name <address@domain>"
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*
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* will be converted to
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*
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* [{name: "Name", address: "address@domain"}]
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*
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* @param {String} str Address field
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* @return {Array} An array of address objects
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*/
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function addressparser(str) {
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var tokenizer = new Tokenizer(str);
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var tokens = tokenizer.tokenize();
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var addresses = [];
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var address = [];
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var parsedAddresses = [];
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tokens.forEach(token => {
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if (token.type === 'operator' && (token.value === ',' || token.value === ';')) {
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if (address.length) {
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addresses.push(address);
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}
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address = [];
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} else {
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address.push(token);
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}
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});
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if (address.length) {
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addresses.push(address);
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}
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addresses.forEach(address => {
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address = _handleAddress(address);
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if (address.length) {
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parsedAddresses = parsedAddresses.concat(address);
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}
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});
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return parsedAddresses;
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}
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/**
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* Converts tokens for a single address into an address object
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*
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* @param {Array} tokens Tokens object
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* @return {Object} Address object
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*/
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function _handleAddress(tokens) {
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var isGroup = false;
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var state = 'text';
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var address = void 0;
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var addresses = [];
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var data = {
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address: [],
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comment: [],
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group: [],
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text: []
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};
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// Filter out <addresses>, (comments) and regular text
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tokens.forEach(token => {
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if (token.type === 'operator') {
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switch (token.value) {
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case '<':
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state = 'address';
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break;
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case '(':
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state = 'comment';
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break;
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case ':':
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state = 'group';
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isGroup = true;
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break;
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default:
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state = 'text';
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}
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} else if (token.value) {
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data[state].push(token.value);
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}
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});
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// If there is no text but a comment, replace the two
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if (!data.text.length && data.comment.length) {
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data.text = data.comment;
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data.comment = [];
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}
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if (isGroup) {
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// http://tools.ietf.org/html/rfc2822#appendix-A.1.3
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data.text = data.text.join(' ');
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addresses.push({
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name: data.text || address && address.name,
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group: data.group.length ? addressparser(data.group.join(',')) : []
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});
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} else {
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// If no address was found, try to detect one from regular text
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if (!data.address.length && data.text.length) {
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var i = data.text.length;
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while (i--) {
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if (data.text[i].match(/^[^@\s]+@[^@\s]+$/)) {
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data.address = data.text.splice(i, 1);
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break;
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}
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}
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// still no address
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if (!data.address.length) {
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i = data.text.length;
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while (i--) {
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data.text[i] = data.text[i].replace(/\s*\b[^@\s]+@[^@\s]+\b\s*/, address => {
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if (!data.address.length) {
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data.address = [address.trim()];
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return '';
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}
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return address.trim();
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});
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if (data.address.length) {
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break;
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}
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}
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}
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}
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// If there's still is no text but a comment exixts, replace the two
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if (!data.text.length && data.comment.length) {
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data.text = data.comment;
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data.comment = [];
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}
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// Keep only the first address occurence, push others to regular text
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if (data.address.length > 1) {
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data.text = data.text.concat(data.address.splice(1));
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}
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// Join values with spaces
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data.text = data.text.join(' ');
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data.address = data.address.join(' ');
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if (!data.address && isGroup) {
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return [];
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}
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address = {
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address: data.address || data.text || '',
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name: data.text || data.address || ''
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};
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if (address.address === address.name) {
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if ((address.address || '').match(/@/)) {
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address.name = '';
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} else {
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address.address = '';
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}
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}
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addresses.push(address);
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}
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return addresses;
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}
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/*
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* Operator tokens and which tokens are expected to end the sequence
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*/
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var OPERATORS = {
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'"': '"',
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'(': ')',
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'<': '>',
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',': '',
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// Groups are ended by semicolons
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':': ';',
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// Semicolons are not a legal delimiter per the RFC2822 grammar other
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// than for terminating a group, but they are also not valid for any
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// other use in this context. Given that some mail clients have
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// historically allowed the semicolon as a delimiter equivalent to the
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// comma in their UI, it makes sense to treat them the same as a comma
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// when used outside of a group.
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';': ''
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};
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class Tokenizer
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{
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constructor(str) {
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this.str = (str || '').toString();
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this.operatorCurrent = '';
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this.operatorExpecting = '';
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this.node = null;
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this.escaped = false;
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this.list = [];
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}
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tokenize() {
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var list = [];
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[...this.str].forEach(c => this.checkChar(c));
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this.list.forEach(node => {
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node.value = (node.value || '').toString().trim();
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if (node.value) {
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list.push(node);
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}
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});
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return list;
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}
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checkChar(chr) {
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if ((chr in OPERATORS || chr === '\\') && this.escaped) {
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this.escaped = false;
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} else if (this.operatorExpecting && chr === this.operatorExpecting) {
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this.node = {
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type: 'operator',
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value: chr
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};
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this.list.push(this.node);
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this.node = null;
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this.operatorExpecting = '';
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this.escaped = false;
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return;
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} else if (!this.operatorExpecting && chr in OPERATORS) {
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this.node = {
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type: 'operator',
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value: chr
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};
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this.list.push(this.node);
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this.node = null;
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this.operatorExpecting = OPERATORS[chr];
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this.escaped = false;
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return;
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}
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if (!this.escaped && chr === '\\') {
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this.escaped = true;
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return;
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}
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if (!this.node) {
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this.node = {
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type: 'text',
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value: ''
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};
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this.list.push(this.node);
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}
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if (this.escaped && chr !== '\\') {
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this.node.value += '\\';
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}
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this.node.value += chr;
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this.escaped = false;
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}
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}
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class EmailModel {
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email = '';
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name = '';
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dkimStatus = '';
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dkimValue = '';
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/**
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* @param {string=} email = ''
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* @param {string=} name = ''
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* @param {string=} dkimStatus = 'none'
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* @param {string=} dkimValue = ''
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*/
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constructor(email = '', name = '', dkimStatus = 'none', dkimValue = '') {
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this.email = email;
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this.name = name;
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this.dkimStatus = dkimStatus;
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this.dkimValue = dkimValue;
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this.clearDuplicateName();
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}
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/**
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* @static
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* @param {AjaxJsonEmail} json
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* @returns {?EmailModel}
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*/
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static newInstanceFromJson(json) {
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const email = new EmailModel();
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return email.initByJson(json) ? email : null;
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}
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/**
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* @returns {void}
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*/
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clear() {
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this.email = '';
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this.name = '';
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this.dkimStatus = 'none';
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this.dkimValue = '';
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}
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/**
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* @returns {boolean}
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*/
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validate() {
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return this.name || this.email;
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}
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/**
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* @param {boolean} withoutName = false
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* @returns {string}
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*/
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hash(withoutName = false) {
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return '#' + (withoutName ? '' : this.name) + '#' + this.email + '#';
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}
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/**
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* @returns {void}
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*/
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clearDuplicateName() {
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if (this.name === this.email) {
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this.name = '';
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}
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}
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/**
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* @param {string} query
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* @returns {boolean}
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*/
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search(query) {
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return (this.name + ' ' + this.email).toLowerCase().includes(query.toLowerCase());
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}
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/**
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* @param {AjaxJsonEmail} oJsonEmail
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* @returns {boolean}
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*/
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initByJson(json) {
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let result = false;
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if (json && 'Object/Email' === json['@Object']) {
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this.name = json.Name.trim();
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this.email = json.Email.trim();
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this.dkimStatus = (json.DkimStatus || '').trim();
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this.dkimValue = (json.DkimValue || '').trim();
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result = !!this.email;
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this.clearDuplicateName();
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}
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return result;
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}
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/**
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* @param {boolean} friendlyView
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* @param {boolean=} wrapWithLink = false
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* @param {boolean=} useEncodeHtml = false
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* @returns {string}
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*/
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toLine(friendlyView, wrapWithLink = false, useEncodeHtml = false) {
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let result = '';
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if (this.email) {
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if (friendlyView && this.name) {
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result = wrapWithLink
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? '<a href="mailto:' +
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encodeHtml(this.email) +
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'?to=' +
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encodeHtml('"' + this.name + '" <' + this.email + '>') +
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'" target="_blank" tabindex="-1">' +
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encodeHtml(this.name) +
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'</a>'
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: useEncodeHtml
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? encodeHtml(this.name)
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: this.name;
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// result = wrapWithLink ? '<a href="mailto:' + encodeHtml('"' + this.name + '" <' + this.email + '>') +
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// '" target="_blank" tabindex="-1">' + encodeHtml(this.name) + '</a>' : (useEncodeHtml ? encodeHtml(this.name) : this.name);
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} else {
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result = this.email;
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if (this.name) {
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if (wrapWithLink) {
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result =
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encodeHtml('"' + this.name + '" <') +
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'<a href="mailto:' +
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encodeHtml(this.email) +
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'?to=' +
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encodeHtml('"' + this.name + '" <' + this.email + '>') +
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'" target="_blank" tabindex="-1">' +
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encodeHtml(result) +
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'</a>' +
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encodeHtml('>');
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// result = encodeHtml('"' + this.name + '" <') + '<a href="mailto:' +
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// encodeHtml('"' + this.name + '" <' + this.email + '>') +
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// '" target="_blank" tabindex="-1">' +
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// encodeHtml(result) +
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// '</a>' +
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// encodeHtml('>');
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} else {
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result = '"' + this.name + '" <' + result + '>';
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if (useEncodeHtml) {
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result = encodeHtml(result);
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}
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}
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} else if (wrapWithLink) {
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result =
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'<a href="mailto:' +
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encodeHtml(this.email) +
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'" target="_blank" tabindex="-1">' +
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encodeHtml(this.email) +
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'</a>';
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}
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}
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}
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return result;
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}
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static splitEmailLine(line) {
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const parsedResult = addressparser(line);
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if (parsedResult.length) {
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const result = [];
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let exists = false;
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parsedResult.forEach((item) => {
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const address = item.address
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? new EmailModel(item.address.replace(/^[<]+(.*)[>]+$/g, '$1'), item.name || '')
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: null;
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if (address && address.email) {
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exists = true;
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}
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result.push(address ? address.toLine(false) : item.name);
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});
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return exists ? result : null;
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}
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return null;
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}
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static parseEmailLine(line) {
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const parsedResult = addressparser(line);
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if (parsedResult.length) {
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return parsedResult.map(item =>
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item.address ? new EmailModel(item.address.replace(/^[<]+(.*)[>]+$/g, '$1'), item.name || '') : null
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).filter(value => !!value);
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}
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return [];
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}
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/**
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* @param {string} emailAddress
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* @returns {boolean}
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*/
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parse(emailAddress) {
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emailAddress = emailAddress.trim();
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if (!emailAddress) {
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return false;
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}
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const result = addressparser(emailAddress);
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if (result.length) {
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this.name = result[0].name || '';
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this.email = result[0].address || '';
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this.clearDuplicateName();
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return true;
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}
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return false;
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}
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}
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export { EmailModel, EmailModel as default };
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