mirror of
https://github.com/nodemailer/wildduck.git
synced 2024-11-10 17:47:07 +08:00
628 lines
18 KiB
JavaScript
628 lines
18 KiB
JavaScript
'use strict';
|
|
|
|
const os = require('os');
|
|
const punycode = require('punycode/');
|
|
const libmime = require('libmime');
|
|
const consts = require('./consts');
|
|
const errors = require('./errors');
|
|
const fs = require('fs');
|
|
const he = require('he');
|
|
const pathlib = require('path');
|
|
const crypto = require('crypto');
|
|
const urllib = require('url');
|
|
const net = require('net');
|
|
const ipaddr = require('ipaddr.js');
|
|
const ObjectId = require('mongodb').ObjectId;
|
|
const log = require('npmlog');
|
|
const addressparser = require('nodemailer/lib/addressparser');
|
|
|
|
let templates = false;
|
|
|
|
function checkRangeQuery(uids, ne) {
|
|
// check if uids is a straight continous array and if such then return a range query,
|
|
// otherwise retrun a $in query
|
|
|
|
if (uids.length === 1) {
|
|
return {
|
|
[!ne ? '$eq' : '$ne']: uids[0]
|
|
};
|
|
}
|
|
|
|
for (let i = 1, len = uids.length; i < len; i++) {
|
|
if (uids[i] !== uids[i - 1] + 1) {
|
|
// TODO: group into AND conditions, otherwise expands too much!
|
|
return {
|
|
[!ne ? '$in' : '$nin']: uids
|
|
};
|
|
}
|
|
}
|
|
|
|
if (!ne) {
|
|
return {
|
|
$gte: uids[0],
|
|
$lte: uids[uids.length - 1]
|
|
};
|
|
} else {
|
|
return {
|
|
$not: {
|
|
$gte: uids[0],
|
|
$lte: uids[uids.length - 1]
|
|
}
|
|
};
|
|
}
|
|
}
|
|
|
|
function normalizeDomain(domain) {
|
|
domain = (domain || '').toLowerCase().trim();
|
|
try {
|
|
if (/^xn--/.test(domain)) {
|
|
domain = punycode.toUnicode(domain).normalize('NFC').toLowerCase().trim();
|
|
}
|
|
} catch (E) {
|
|
// ignore
|
|
}
|
|
|
|
return domain;
|
|
}
|
|
|
|
function normalizeAddress(address, withNames, options) {
|
|
if (typeof address === 'string') {
|
|
address = {
|
|
address
|
|
};
|
|
}
|
|
if (!address || !address.address) {
|
|
return '';
|
|
}
|
|
|
|
options = options || {};
|
|
|
|
let removeLabel = typeof options.removeLabel === 'boolean' ? options.removeLabel : false;
|
|
let removeDots = typeof options.removeDots === 'boolean' ? options.removeDots : false;
|
|
|
|
let user = address.address.substr(0, address.address.lastIndexOf('@')).normalize('NFC').toLowerCase().trim();
|
|
|
|
if (removeLabel) {
|
|
user = user.replace(/\+[^@]*$/, '');
|
|
}
|
|
|
|
if (removeDots) {
|
|
user = user.replace(/\./g, '');
|
|
}
|
|
|
|
let domain = normalizeDomain(address.address.substr(address.address.lastIndexOf('@') + 1));
|
|
|
|
let addr = user + '@' + domain;
|
|
|
|
if (withNames) {
|
|
return {
|
|
name: address.name || '',
|
|
address: addr
|
|
};
|
|
}
|
|
|
|
return addr;
|
|
}
|
|
|
|
/**
|
|
* Generate a list of possible wildcard addresses by generating all posible
|
|
* substrings of the username email address part.
|
|
*
|
|
* @param {String} username - The username part of the email address.
|
|
* @param {String} domain - The domain part of the email address.
|
|
* @return {Array} The list of all possible username wildcard addresses,
|
|
* that would match this email address (as given by the params).
|
|
*/
|
|
function getWildcardAddresses(username, domain) {
|
|
if (typeof username !== 'string' || typeof domain !== 'string') {
|
|
return [];
|
|
}
|
|
|
|
let result = ['*@' + domain];
|
|
// <= generates the 'simple' wildcard (a la '*@') address.
|
|
for (let i = 1; i < Math.min(username.length, consts.MAX_ALLOWED_WILDCARD_LENGTH) + 1; i++) {
|
|
result.unshift('*' + username.substr(-i) + '@' + domain);
|
|
result.unshift(username.substr(0, i) + '*@' + domain);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// returns a redis config object with a retry strategy
|
|
function redisConfig(defaultConfig) {
|
|
return defaultConfig;
|
|
}
|
|
|
|
function decodeAddresses(addresses) {
|
|
addresses.forEach(address => {
|
|
address.name = (address.name || '').toString();
|
|
if (address.name) {
|
|
try {
|
|
address.name = libmime.decodeWords(address.name);
|
|
} catch (E) {
|
|
//ignore, keep as is
|
|
}
|
|
}
|
|
if (/@xn--/.test(address.address)) {
|
|
address.address =
|
|
address.address.substr(0, address.address.lastIndexOf('@') + 1) +
|
|
punycode.toUnicode(address.address.substr(address.address.lastIndexOf('@') + 1));
|
|
}
|
|
if (address.group) {
|
|
decodeAddresses(address.group);
|
|
}
|
|
});
|
|
}
|
|
|
|
function flatAddresses(addresses) {
|
|
let list = [];
|
|
let walk = address => {
|
|
if (address.address) {
|
|
list.push(address);
|
|
} else if (address.group) {
|
|
address.group.forEach(walk);
|
|
}
|
|
};
|
|
walk(addresses);
|
|
return list;
|
|
}
|
|
|
|
function getMailboxCounter(db, mailbox, type, done) {
|
|
let prefix = type ? type : 'total';
|
|
db.redis.get(prefix + ':' + mailbox.toString(), (err, sum) => {
|
|
if (err) {
|
|
return done(err);
|
|
}
|
|
|
|
if (sum !== null) {
|
|
return done(null, Number(sum));
|
|
}
|
|
|
|
// calculate sum
|
|
let query = { mailbox };
|
|
if (type) {
|
|
query[type] = true;
|
|
}
|
|
|
|
db.database.collection('messages').countDocuments(query, (err, sum) => {
|
|
if (err) {
|
|
return done(err);
|
|
}
|
|
|
|
// cache calculated sum in redis
|
|
db.redis
|
|
.multi()
|
|
.set(prefix + ':' + mailbox.toString(), sum)
|
|
.expire(prefix + ':' + mailbox.toString(), consts.MAILBOX_COUNTER_TTL)
|
|
.exec(err => {
|
|
if (err) {
|
|
errors.notify(err);
|
|
}
|
|
done(null, sum);
|
|
});
|
|
});
|
|
});
|
|
}
|
|
|
|
function renderEmailTemplate(tags, template) {
|
|
let result = JSON.parse(JSON.stringify(template));
|
|
|
|
let specialTags = {
|
|
TIMESTAMP: Date.now(),
|
|
HOSTNAME: tags.DOMAIN || os.hostname()
|
|
};
|
|
|
|
let walk = (node, nodeKey) => {
|
|
if (!node) {
|
|
return;
|
|
}
|
|
|
|
Object.keys(node || {}).forEach(key => {
|
|
if (!node[key] || ['content'].includes(key)) {
|
|
return;
|
|
}
|
|
|
|
if (Array.isArray(node[key])) {
|
|
return node[key].forEach(child => walk(child, nodeKey));
|
|
}
|
|
|
|
if (typeof node[key] === 'object') {
|
|
return walk(node[key], key);
|
|
}
|
|
|
|
if (typeof node[key] === 'string') {
|
|
let isHTML = /html/i.test(key);
|
|
node[key] = node[key].replace(/\[([^\]]+)\]/g, (match, tag) => {
|
|
if (tag in tags) {
|
|
return isHTML ? he.encode(tags[tag]) : tags[tag];
|
|
} else if (tag in specialTags) {
|
|
return isHTML ? he.encode((specialTags[tag] || '').toString()) : specialTags[tag];
|
|
}
|
|
return match;
|
|
});
|
|
return;
|
|
}
|
|
});
|
|
};
|
|
|
|
walk(result, false);
|
|
|
|
return result;
|
|
}
|
|
|
|
async function getEmailTemplates(tags) {
|
|
if (templates) {
|
|
return templates.map(template => renderEmailTemplate(tags, template));
|
|
}
|
|
let templateFolder = pathlib.join(__dirname, '..', 'emails');
|
|
let files = await fs.promises.readdir(templateFolder);
|
|
|
|
files = files.sort((a, b) => a.localeCompare(b));
|
|
|
|
let filesMap = new Map();
|
|
|
|
for (let file of files) {
|
|
let fParts = pathlib.parse(file);
|
|
try {
|
|
let value = await fs.promises.readFile(pathlib.join(templateFolder, file));
|
|
|
|
let ext = fParts.ext.toLowerCase();
|
|
let name = fParts.name.toLowerCase();
|
|
if (name.indexOf('.') >= 0) {
|
|
name = name.substr(0, name.indexOf('.'));
|
|
}
|
|
|
|
let type = false;
|
|
switch (ext) {
|
|
case '.json': {
|
|
try {
|
|
value = JSON.parse(value.toString('utf-8'));
|
|
type = 'message';
|
|
} catch (E) {
|
|
//ignore?
|
|
}
|
|
break;
|
|
}
|
|
case '.html':
|
|
case '.htm':
|
|
value = value.toString('utf-8');
|
|
type = 'html';
|
|
break;
|
|
case '.text':
|
|
case '.txt':
|
|
value = value.toString('utf-8');
|
|
type = 'text';
|
|
break;
|
|
default: {
|
|
if (name.length < fParts.name.length) {
|
|
type = 'attachment';
|
|
value = {
|
|
filename: fParts.base.substr(name.length + 1),
|
|
content: value.toString('base64'),
|
|
encoding: 'base64'
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
if (type) {
|
|
if (!filesMap.has(name)) {
|
|
filesMap.set(name, {});
|
|
}
|
|
if (type === 'attachment') {
|
|
if (!filesMap.get(name).attachments) {
|
|
filesMap.get(name).attachments = [value];
|
|
} else {
|
|
filesMap.get(name).attachments.push(value);
|
|
}
|
|
} else {
|
|
filesMap.get(name)[type] = value;
|
|
}
|
|
}
|
|
} catch (err) {
|
|
// ignore
|
|
}
|
|
}
|
|
|
|
let newTemplates = Array.from(filesMap)
|
|
.map(entry => {
|
|
let name = escapeRegexStr(entry[0]);
|
|
entry = entry[1];
|
|
if (!entry.message || entry.disabled) {
|
|
return false;
|
|
}
|
|
|
|
if (entry.html) {
|
|
entry.message.html = entry.html;
|
|
}
|
|
|
|
if (entry.text) {
|
|
entry.message.text = entry.text;
|
|
}
|
|
|
|
if (entry.attachments) {
|
|
entry.message.attachments = [].concat(entry.message.attachments || []).concat(entry.attachments);
|
|
|
|
if (entry.message.html) {
|
|
entry.message.attachments.forEach(attachment => {
|
|
if (entry.message.html.indexOf(attachment.filename) >= 0) {
|
|
// replace html image link with a link to the attachment
|
|
let fname = escapeRegexStr(attachment.filename);
|
|
entry.message.html = entry.message.html.replace(
|
|
new RegExp('(["\'])(?:.\\/)?(?:' + name + '.)?' + fname + '(?=["\'])', 'g'),
|
|
(m, p) => {
|
|
attachment.cid = attachment.cid || crypto.randomBytes(8).toString('hex') + '-[TIMESTAMP]@[DOMAIN]';
|
|
return p + 'cid:' + attachment.cid;
|
|
}
|
|
);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
if (entry.text) {
|
|
entry.message.text = entry.text;
|
|
}
|
|
|
|
return entry.message;
|
|
})
|
|
.filter(entry => entry && !entry.disabled);
|
|
|
|
templates = newTemplates;
|
|
return templates.map(template => renderEmailTemplate(tags, template));
|
|
}
|
|
|
|
function escapeRegexStr(string) {
|
|
let specials = ['-', '[', ']', '/', '{', '}', '(', ')', '*', '+', '?', '.', '\\', '^', '$', '|'];
|
|
return string.replace(RegExp('[' + specials.join('\\') + ']', 'g'), '\\$&');
|
|
}
|
|
|
|
function getRelayData(url) {
|
|
let urlparts = urllib.parse(url);
|
|
let targetMx = {
|
|
host: urlparts.hostname,
|
|
port: urlparts.port || 25,
|
|
auth: urlparts.auth
|
|
? [urlparts.auth].map(auth => {
|
|
let parts = auth.split(':');
|
|
return {
|
|
user: decodeURIComponent(parts[0] || ''),
|
|
pass: decodeURIComponent(parts[1] || '')
|
|
};
|
|
})[0]
|
|
: false,
|
|
secure: urlparts.protocol === 'smtps:',
|
|
A: [].concat(net.isIPv4(urlparts.hostname) ? urlparts.hostname : []),
|
|
AAAA: [].concat(net.isIPv6(urlparts.hostname) ? urlparts.hostname : [])
|
|
};
|
|
let data = {
|
|
mx: [
|
|
{
|
|
priority: 0,
|
|
mx: true,
|
|
exchange: targetMx.host,
|
|
A: targetMx.A,
|
|
AAAA: targetMx.AAAA
|
|
}
|
|
],
|
|
mxPort: targetMx.port,
|
|
mxAuth: targetMx.auth,
|
|
mxSecure: targetMx.secure,
|
|
url
|
|
};
|
|
|
|
return data;
|
|
}
|
|
|
|
function isId(value) {
|
|
if (!value) {
|
|
// obviously
|
|
return false;
|
|
}
|
|
|
|
if (typeof value === 'object' && ObjectId.isValid(value)) {
|
|
return true;
|
|
}
|
|
|
|
if (typeof value === 'string' && /^[a-fA-F0-9]{24}$/.test(value) && ObjectId.isValid(value)) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function uview(address) {
|
|
if (!address) {
|
|
return '';
|
|
}
|
|
|
|
if (typeof address !== 'string') {
|
|
address = address.toString() || '';
|
|
}
|
|
|
|
let atPos = address.indexOf('@');
|
|
if (atPos < 0) {
|
|
return address.replace(/\./g, '').toLowerCase();
|
|
} else {
|
|
return (address.substr(0, atPos).replace(/\./g, '') + address.substr(atPos)).toLowerCase();
|
|
}
|
|
}
|
|
|
|
function validationErrors(validationResult) {
|
|
const errors = {};
|
|
if (validationResult.error && validationResult.error.details) {
|
|
validationResult.error.details.forEach(detail => {
|
|
if (!errors[detail.path]) {
|
|
errors[detail.path] = detail.message;
|
|
}
|
|
});
|
|
}
|
|
return errors;
|
|
}
|
|
|
|
function checkSocket(socket) {
|
|
if (!socket || socket.destroyed || socket.readyState !== 'open') {
|
|
throw new Error('Socket not open');
|
|
}
|
|
}
|
|
|
|
function getHostname(req) {
|
|
let host =
|
|
[]
|
|
.concat(req.headers.host || [])
|
|
.concat(req.authority || [])
|
|
.concat(req.ip || [])
|
|
.shift() || '';
|
|
host = host.split(':').shift();
|
|
|
|
if (host) {
|
|
host = normalizeDomain(host);
|
|
}
|
|
|
|
return host;
|
|
}
|
|
|
|
function normalizeIp(ip) {
|
|
ip = (ip || '').toString().toLowerCase().trim();
|
|
|
|
if (/^[a-f0-9:]+:(\d+\.){3}\d+$/.test(ip)) {
|
|
// remove pseudo IPv6 prefix
|
|
ip = ip.replace(/^[a-f0-9:]+:((\d+\.){3}\d+)$/, '$1');
|
|
}
|
|
|
|
if (net.isIPv6(ip)) {
|
|
// use the short version
|
|
return ipaddr.parse(ip).toString();
|
|
}
|
|
|
|
return ip;
|
|
}
|
|
|
|
function prepareArmoredPubKey(pubKey) {
|
|
pubKey = (pubKey || '').toString().replace(/\r?\n/g, '\n').trim();
|
|
if (/^-----[^-]+-----\n/.test(pubKey) && !/\n\n/.test(pubKey)) {
|
|
// header is missing, add blank line after first newline
|
|
pubKey = pubKey.replace(/\n/, '\n\n');
|
|
}
|
|
return pubKey;
|
|
}
|
|
|
|
function getPGPUserId(pubKey) {
|
|
let name = '';
|
|
let address = '';
|
|
|
|
if (!pubKey || !pubKey.users || !pubKey.users.length) {
|
|
return { name, address };
|
|
}
|
|
|
|
let userData = pubKey.users.find(u => u && u.userID && (u.userID.userID || u.userID.name || u.userID.email));
|
|
if (!userData) {
|
|
return { name, address };
|
|
}
|
|
|
|
name = userData.userID.name || '';
|
|
address = userData.userID.address || '';
|
|
|
|
if (!name || !address) {
|
|
let user = addressparser(userData.userID.userID);
|
|
if (user && user.length) {
|
|
if (!address && user[0].address) {
|
|
address = normalizeAddress(user[0].address);
|
|
}
|
|
if (!name && user[0].name) {
|
|
try {
|
|
name = libmime.decodeWords(user[0].name || '').trim();
|
|
} catch (E) {
|
|
// failed to parse value
|
|
name = user[0].name || '';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return { name, address };
|
|
}
|
|
|
|
function formatFingerprint(fingerprint) {
|
|
if (typeof fingerprint === 'string') {
|
|
return fingerprint.match(/.{1,2}/g).join(':');
|
|
}
|
|
|
|
let out = [];
|
|
for (let nr of fingerprint) {
|
|
out.push((nr < 0x10 ? '0' : '') + nr.toString(16).toLowerCase());
|
|
}
|
|
return out.join(':');
|
|
}
|
|
|
|
module.exports = {
|
|
normalizeAddress,
|
|
normalizeDomain,
|
|
normalizeIp,
|
|
getHostname,
|
|
getWildcardAddresses,
|
|
redisConfig,
|
|
checkRangeQuery,
|
|
decodeAddresses,
|
|
flatAddresses,
|
|
getMailboxCounter,
|
|
getEmailTemplates,
|
|
getRelayData,
|
|
isId,
|
|
uview,
|
|
escapeRegexStr,
|
|
validationErrors,
|
|
checkSocket,
|
|
prepareArmoredPubKey,
|
|
getPGPUserId,
|
|
formatFingerprint,
|
|
|
|
formatMetaData: metaData => {
|
|
if (typeof metaData === 'string') {
|
|
try {
|
|
metaData = JSON.parse(metaData);
|
|
} catch (err) {
|
|
// ignore
|
|
}
|
|
}
|
|
return metaData || {};
|
|
},
|
|
|
|
asyncifyJson: middleware => async (req, res, next) => {
|
|
try {
|
|
await middleware(req, res, next);
|
|
} catch (err) {
|
|
let data = {
|
|
error: err.message
|
|
};
|
|
|
|
switch (err.code) {
|
|
case 'ALREADYEXISTS':
|
|
err.responseCode = err.responseCode || 400;
|
|
err.code = 'MailboxExistsError';
|
|
break;
|
|
case 'NONEXISTENT':
|
|
err.responseCode = err.responseCode || 404;
|
|
err.code = 'NoSuchMailbox';
|
|
break;
|
|
}
|
|
|
|
if (err.responseCode) {
|
|
res.status(err.responseCode);
|
|
}
|
|
|
|
if (err.code) {
|
|
data.code = err.code;
|
|
}
|
|
|
|
log.http(
|
|
'Error',
|
|
`${req.method} ${req.url} sess=${(req.params && req.params.sess) || '-'} user=${req.user ? req.user : '-'} error=${JSON.stringify(err.stack)}`
|
|
);
|
|
|
|
res.charSet('utf-8');
|
|
res.json(data);
|
|
return next();
|
|
}
|
|
}
|
|
};
|