mirror of
https://github.com/dawidd6/action-send-mail.git
synced 2024-12-28 03:53:05 +07:00
314 lines
8.8 KiB
JavaScript
314 lines
8.8 KiB
JavaScript
'use strict';
|
|
|
|
/**
|
|
* Converts tokens for a single address into an address object
|
|
*
|
|
* @param {Array} tokens Tokens object
|
|
* @return {Object} Address object
|
|
*/
|
|
function _handleAddress(tokens) {
|
|
let token;
|
|
let isGroup = false;
|
|
let state = 'text';
|
|
let address;
|
|
let addresses = [];
|
|
let data = {
|
|
address: [],
|
|
comment: [],
|
|
group: [],
|
|
text: []
|
|
};
|
|
let i;
|
|
let len;
|
|
|
|
// Filter out <addresses>, (comments) and regular text
|
|
for (i = 0, len = tokens.length; i < len; i++) {
|
|
token = tokens[i];
|
|
if (token.type === 'operator') {
|
|
switch (token.value) {
|
|
case '<':
|
|
state = 'address';
|
|
break;
|
|
case '(':
|
|
state = 'comment';
|
|
break;
|
|
case ':':
|
|
state = 'group';
|
|
isGroup = true;
|
|
break;
|
|
default:
|
|
state = 'text';
|
|
}
|
|
} else if (token.value) {
|
|
if (state === 'address') {
|
|
// handle use case where unquoted name includes a "<"
|
|
// Apple Mail truncates everything between an unexpected < and an address
|
|
// and so will we
|
|
token.value = token.value.replace(/^[^<]*<\s*/, '');
|
|
}
|
|
data[state].push(token.value);
|
|
}
|
|
}
|
|
|
|
// If there is no text but a comment, replace the two
|
|
if (!data.text.length && data.comment.length) {
|
|
data.text = data.comment;
|
|
data.comment = [];
|
|
}
|
|
|
|
if (isGroup) {
|
|
// http://tools.ietf.org/html/rfc2822#appendix-A.1.3
|
|
data.text = data.text.join(' ');
|
|
addresses.push({
|
|
name: data.text || (address && address.name),
|
|
group: data.group.length ? addressparser(data.group.join(',')) : []
|
|
});
|
|
} else {
|
|
// If no address was found, try to detect one from regular text
|
|
if (!data.address.length && data.text.length) {
|
|
for (i = data.text.length - 1; i >= 0; i--) {
|
|
if (data.text[i].match(/^[^@\s]+@[^@\s]+$/)) {
|
|
data.address = data.text.splice(i, 1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
let _regexHandler = function (address) {
|
|
if (!data.address.length) {
|
|
data.address = [address.trim()];
|
|
return ' ';
|
|
} else {
|
|
return address;
|
|
}
|
|
};
|
|
|
|
// still no address
|
|
if (!data.address.length) {
|
|
for (i = data.text.length - 1; i >= 0; i--) {
|
|
// fixed the regex to parse email address correctly when email address has more than one @
|
|
data.text[i] = data.text[i].replace(/\s*\b[^@\s]+@[^\s]+\b\s*/, _regexHandler).trim();
|
|
if (data.address.length) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// If there's still is no text but a comment exixts, replace the two
|
|
if (!data.text.length && data.comment.length) {
|
|
data.text = data.comment;
|
|
data.comment = [];
|
|
}
|
|
|
|
// Keep only the first address occurence, push others to regular text
|
|
if (data.address.length > 1) {
|
|
data.text = data.text.concat(data.address.splice(1));
|
|
}
|
|
|
|
// Join values with spaces
|
|
data.text = data.text.join(' ');
|
|
data.address = data.address.join(' ');
|
|
|
|
if (!data.address && isGroup) {
|
|
return [];
|
|
} else {
|
|
address = {
|
|
address: data.address || data.text || '',
|
|
name: data.text || data.address || ''
|
|
};
|
|
|
|
if (address.address === address.name) {
|
|
if ((address.address || '').match(/@/)) {
|
|
address.name = '';
|
|
} else {
|
|
address.address = '';
|
|
}
|
|
}
|
|
|
|
addresses.push(address);
|
|
}
|
|
}
|
|
|
|
return addresses;
|
|
}
|
|
|
|
/**
|
|
* Creates a Tokenizer object for tokenizing address field strings
|
|
*
|
|
* @constructor
|
|
* @param {String} str Address field string
|
|
*/
|
|
class Tokenizer {
|
|
constructor(str) {
|
|
this.str = (str || '').toString();
|
|
this.operatorCurrent = '';
|
|
this.operatorExpecting = '';
|
|
this.node = null;
|
|
this.escaped = false;
|
|
|
|
this.list = [];
|
|
/**
|
|
* Operator tokens and which tokens are expected to end the sequence
|
|
*/
|
|
this.operators = {
|
|
'"': '"',
|
|
'(': ')',
|
|
'<': '>',
|
|
',': '',
|
|
':': ';',
|
|
// Semicolons are not a legal delimiter per the RFC2822 grammar other
|
|
// than for terminating a group, but they are also not valid for any
|
|
// other use in this context. Given that some mail clients have
|
|
// historically allowed the semicolon as a delimiter equivalent to the
|
|
// comma in their UI, it makes sense to treat them the same as a comma
|
|
// when used outside of a group.
|
|
';': ''
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Tokenizes the original input string
|
|
*
|
|
* @return {Array} An array of operator|text tokens
|
|
*/
|
|
tokenize() {
|
|
let chr,
|
|
list = [];
|
|
for (let i = 0, len = this.str.length; i < len; i++) {
|
|
chr = this.str.charAt(i);
|
|
this.checkChar(chr);
|
|
}
|
|
|
|
this.list.forEach(node => {
|
|
node.value = (node.value || '').toString().trim();
|
|
if (node.value) {
|
|
list.push(node);
|
|
}
|
|
});
|
|
|
|
return list;
|
|
}
|
|
|
|
/**
|
|
* Checks if a character is an operator or text and acts accordingly
|
|
*
|
|
* @param {String} chr Character from the address field
|
|
*/
|
|
checkChar(chr) {
|
|
if (this.escaped) {
|
|
// ignore next condition blocks
|
|
} else if (chr === this.operatorExpecting) {
|
|
this.node = {
|
|
type: 'operator',
|
|
value: chr
|
|
};
|
|
this.list.push(this.node);
|
|
this.node = null;
|
|
this.operatorExpecting = '';
|
|
this.escaped = false;
|
|
return;
|
|
} else if (!this.operatorExpecting && chr in this.operators) {
|
|
this.node = {
|
|
type: 'operator',
|
|
value: chr
|
|
};
|
|
this.list.push(this.node);
|
|
this.node = null;
|
|
this.operatorExpecting = this.operators[chr];
|
|
this.escaped = false;
|
|
return;
|
|
} else if (['"', "'"].includes(this.operatorExpecting) && chr === '\\') {
|
|
this.escaped = true;
|
|
return;
|
|
}
|
|
|
|
if (!this.node) {
|
|
this.node = {
|
|
type: 'text',
|
|
value: ''
|
|
};
|
|
this.list.push(this.node);
|
|
}
|
|
|
|
if (chr === '\n') {
|
|
// Convert newlines to spaces. Carriage return is ignored as \r and \n usually
|
|
// go together anyway and there already is a WS for \n. Lone \r means something is fishy.
|
|
chr = ' ';
|
|
}
|
|
|
|
if (chr.charCodeAt(0) >= 0x21 || [' ', '\t'].includes(chr)) {
|
|
// skip command bytes
|
|
this.node.value += chr;
|
|
}
|
|
|
|
this.escaped = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parses structured e-mail addresses from an address field
|
|
*
|
|
* Example:
|
|
*
|
|
* 'Name <address@domain>'
|
|
*
|
|
* will be converted to
|
|
*
|
|
* [{name: 'Name', address: 'address@domain'}]
|
|
*
|
|
* @param {String} str Address field
|
|
* @return {Array} An array of address objects
|
|
*/
|
|
function addressparser(str, options) {
|
|
options = options || {};
|
|
|
|
let tokenizer = new Tokenizer(str);
|
|
let tokens = tokenizer.tokenize();
|
|
|
|
let addresses = [];
|
|
let address = [];
|
|
let parsedAddresses = [];
|
|
|
|
tokens.forEach(token => {
|
|
if (token.type === 'operator' && (token.value === ',' || token.value === ';')) {
|
|
if (address.length) {
|
|
addresses.push(address);
|
|
}
|
|
address = [];
|
|
} else {
|
|
address.push(token);
|
|
}
|
|
});
|
|
|
|
if (address.length) {
|
|
addresses.push(address);
|
|
}
|
|
|
|
addresses.forEach(address => {
|
|
address = _handleAddress(address);
|
|
if (address.length) {
|
|
parsedAddresses = parsedAddresses.concat(address);
|
|
}
|
|
});
|
|
|
|
if (options.flatten) {
|
|
let addresses = [];
|
|
let walkAddressList = list => {
|
|
list.forEach(address => {
|
|
if (address.group) {
|
|
return walkAddressList(address.group);
|
|
} else {
|
|
addresses.push(address);
|
|
}
|
|
});
|
|
};
|
|
walkAddressList(parsedAddresses);
|
|
return addresses;
|
|
}
|
|
|
|
return parsedAddresses;
|
|
}
|
|
|
|
// expose to the world
|
|
module.exports = addressparser;
|