enigma-bbs/core/mail_util.js

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/* jslint node: true */
'use strict';
const Address = require('./ftn_address.js');
const Message = require('./message.js');
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exports.getAddressedToInfo = getAddressedToInfo;
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const EMAIL_REGEX =
/^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
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/*
Input Output
----------------------------------------------------------------------------------------------------
User { name : 'User', flavor : 'local' }
Some User { name : 'Some User', flavor : 'local' }
JoeUser @ 1:103/75 { name : 'JoeUser', flavor : 'ftn', remote : '1:103/75' }
Bob@1:103/705@fidonet.org { name : 'Bob', flavor : 'ftn', remote : '1:103/705@fidonet.org' }
1:103/705@fidonet.org { flavor : 'ftn', remote : '1:103/705@fidonet.org' }
Jane <23:4/100> { name : 'Jane', flavor : 'ftn', remote : '23:4/100' }
43:20/100.2 { flavor : 'ftn', remote : '43:20/100.2' }
foo@host.com { name : 'foo', flavor : 'email', remote : 'foo@host.com' }
Bar <baz@foobar.net> { name : 'Bar', flavor : 'email', remote : 'baz@foobar.com' }
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*/
function getAddressedToInfo(input) {
input = input.trim();
const firstAtPos = input.indexOf('@');
if (firstAtPos < 0) {
let addr = Address.fromString(input);
if (Address.isValidAddress(addr)) {
return { flavor: Message.AddressFlavor.FTN, remote: input };
}
const lessThanPos = input.indexOf('<');
if (lessThanPos < 0) {
return { name: input, flavor: Message.AddressFlavor.Local };
}
const greaterThanPos = input.indexOf('>');
if (greaterThanPos < lessThanPos) {
return { name: input, flavor: Message.AddressFlavor.Local };
}
addr = Address.fromString(input.slice(lessThanPos + 1, greaterThanPos));
if (Address.isValidAddress(addr)) {
return {
name: input.slice(0, lessThanPos).trim(),
flavor: Message.AddressFlavor.FTN,
remote: addr.toString(),
};
}
return { name: input, flavor: Message.AddressFlavor.Local };
}
const lessThanPos = input.indexOf('<');
const greaterThanPos = input.indexOf('>');
if (lessThanPos > 0 && greaterThanPos > lessThanPos) {
const addr = input.slice(lessThanPos + 1, greaterThanPos);
const m = addr.match(EMAIL_REGEX);
if (m) {
return {
name: input.slice(0, lessThanPos).trim(),
flavor: Message.AddressFlavor.Email,
remote: addr,
};
}
return { name: input, flavor: Message.AddressFlavor.Local };
}
let m = input.match(EMAIL_REGEX);
if (m) {
return {
name: input.slice(0, firstAtPos),
flavor: Message.AddressFlavor.Email,
remote: input,
};
}
let addr = Address.fromString(input); // 5D?
if (Address.isValidAddress(addr)) {
return { flavor: Message.AddressFlavor.FTN, remote: addr.toString() };
}
addr = Address.fromString(input.slice(firstAtPos + 1).trim());
if (Address.isValidAddress(addr)) {
return {
name: input.slice(0, firstAtPos).trim(),
flavor: Message.AddressFlavor.FTN,
remote: addr.toString(),
};
}
return { name: input, flavor: Message.AddressFlavor.Local };
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}