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refactor code into email.js

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This commit is contained in:
Girish Ramakrishnan
2017-06-28 17:06:12 -05:00
parent 2862fec819
commit 19d825db48
4 changed files with 276 additions and 226 deletions
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231
src/settings.js
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@@ -6,8 +6,6 @@ exports = module.exports = {
initialize: initialize,
uninitialize: uninitialize,
getEmailStatus: getEmailStatus,
getAutoupdatePattern: getAutoupdatePattern,
setAutoupdatePattern: setAutoupdatePattern,
@@ -71,7 +69,6 @@ exports = module.exports = {
};
var assert = require('assert'),
async = require('async'),
backups = require('./backups.js'),
BackupsError = backups.BackupsError,
config = require('./config.js'),
@@ -79,16 +76,14 @@ var assert = require('assert'),
CronJob = require('cron').CronJob,
DatabaseError = require('./databaseerror.js'),
debug = require('debug')('box:settings'),
dig = require('./dig.js'),
cloudron = require('./cloudron.js'),
moment = require('moment-timezone'),
net = require('net'),
nodemailer = require('nodemailer'),
paths = require('./paths.js'),
platform = require('./platform.js'),
email = require('./email.js'),
EmailError = email.EmailError,
safe = require('safetydance'),
settingsdb = require('./settingsdb.js'),
smtpTransport = require('nodemailer-smtp-transport'),
subdomains = require('./subdomains.js'),
SubdomainError = subdomains.SubdomainError,
superagent = require('superagent'),
@@ -160,206 +155,6 @@ function uninitialize(callback) {
callback();
}
function getEmailStatus(callback) {
assert.strictEqual(typeof callback, 'function');
var digOptions = { server: '127.0.0.1', port: 53, timeout: 5000 };
var records = {}, relay = {};
var dkimKey = cloudron.readDkimPublicKeySync();
if (!dkimKey) return callback(new SettingsError(SettingsError.INTERNAL_ERROR, new Error('Failed to read dkim public key')));
function checkDkim(callback) {
records.dkim = {
domain: constants.DKIM_SELECTOR + '._domainkey.' + config.fqdn(),
type: 'TXT',
expected: '"v=DKIM1; t=s; p=' + dkimKey + '"',
value: null,
status: false
};
dig.resolve(records.dkim.domain, records.dkim.type, digOptions, function (error, txtRecords) {
if (error && error.code === 'ENOTFOUND') return callback(null); // not setup
if (error) return callback(error);
if (Array.isArray(txtRecords) && txtRecords.length !== 0) {
records.dkim.value = txtRecords[0];
records.dkim.status = (records.dkim.value === records.dkim.expected);
}
callback();
});
}
function checkSpf(callback) {
records.spf = {
domain: config.fqdn(),
type: 'TXT',
value: null,
expected: '"v=spf1 a:' + config.adminFqdn() + ' ~all"',
status: false
};
// https://agari.zendesk.com/hc/en-us/articles/202952749-How-long-can-my-SPF-record-be-
dig.resolve(records.spf.domain, records.spf.type, digOptions, function (error, txtRecords) {
if (error && error.code === 'ENOTFOUND') return callback(null); // not setup
if (error) return callback(error);
if (!Array.isArray(txtRecords)) return callback();
var i;
for (i = 0; i < txtRecords.length; i++) {
if (txtRecords[i].indexOf('"v=spf1 ') !== 0) continue; // not SPF
records.spf.value = txtRecords[i];
records.spf.status = records.spf.value.indexOf(' a:' + config.adminFqdn()) !== -1;
break;
}
if (records.spf.status) {
records.spf.expected = records.spf.value;
} else if (i !== txtRecords.length) {
records.spf.expected = '"v=spf1 a:' + config.adminFqdn() + ' ' + records.spf.value.slice('"v=spf1 '.length);
}
callback();
});
}
function checkMx(callback) {
records.mx = {
domain: config.fqdn(),
type: 'MX',
value: null,
expected: '10 ' + config.mailFqdn() + '.',
status: false
};
dig.resolve(records.mx.domain, records.mx.type, digOptions, function (error, mxRecords) {
if (error && error.code === 'ENOTFOUND') return callback(null); // not setup
if (error) return callback(error);
if (Array.isArray(mxRecords) && mxRecords.length !== 0) {
records.mx.status = mxRecords.length == 1 && mxRecords[0].exchange === (config.mailFqdn() + '.');
records.mx.value = mxRecords.map(function (r) { return r.priority + ' ' + r.exchange; }).join(' ');
}
callback();
});
}
function checkDmarc(callback) {
records.dmarc = {
domain: '_dmarc.' + config.fqdn(),
type: 'TXT',
value: null,
expected: '"v=DMARC1; p=reject; pct=100"',
status: false
};
dig.resolve(records.dmarc.domain, records.dmarc.type, digOptions, function (error, txtRecords) {
if (error && error.code === 'ENOTFOUND') return callback(null); // not setup
if (error) return callback(error);
if (Array.isArray(txtRecords) && txtRecords.length !== 0) {
records.dmarc.value = txtRecords[0];
records.dmarc.status = (records.dmarc.value === records.dmarc.expected);
}
callback();
});
}
function checkPtr(callback) {
records.ptr = {
domain: null,
type: 'PTR',
value: null,
expected: config.mailFqdn() + '.',
status: false
};
sysinfo.getPublicIp(function (error, ip) {
if (error) return callback(error);
records.ptr.domain = ip.split('.').reverse().join('.') + '.in-addr.arpa';
dig.resolve(ip, 'PTR', digOptions, function (error, ptrRecords) {
if (error && error.code === 'ENOTFOUND') return callback(null); // not setup
if (error) return callback(error);
if (Array.isArray(ptrRecords) && ptrRecords.length !== 0) {
records.ptr.value = ptrRecords.join(' ');
records.ptr.status = ptrRecords.some(function (v) { return v === records.ptr.expected; });
}
return callback();
});
});
}
function checkOutbound25(callback) {
assert.strictEqual(typeof callback, 'function');
var smtpServer = _.sample([
'smtp.gmail.com',
'smtp.live.com',
'smtp.mail.yahoo.com',
'smtp.o2.ie',
'smtp.comcast.net',
'outgoing.verizon.net'
]);
relay = {
value: 'OK',
status: false
};
var client = new net.Socket();
client.setTimeout(5000);
client.connect(25, smtpServer);
client.on('connect', function () {
relay.status = true;
relay.value = 'OK';
client.destroy(); // do not use end() because it still triggers timeout
callback();
});
client.on('timeout', function () {
relay.status = false;
relay.value = 'Connect to ' + smtpServer + ' timed out';
client.destroy();
callback(new Error('Timeout'));
});
client.on('error', function (error) {
relay.status = false;
relay.value = 'Connect to ' + smtpServer + ' failed: ' + error.message;
client.destroy();
callback(error);
});
}
function ignoreError(what, func) {
return function (callback) {
func(function (error) {
if (error) debug('Ignored error - ' + what + ':', error);
callback();
});
};
}
async.parallel([
ignoreError('mx', checkMx),
ignoreError('spf', checkSpf),
ignoreError('dmarc', checkDmarc),
ignoreError('dkim', checkDkim),
ignoreError('ptr', checkPtr),
ignoreError('port25', checkOutbound25)
], function () {
callback(null, { dns: records, relay: relay } );
});
}
function setAutoupdatePattern(pattern, callback) {
assert.strictEqual(typeof pattern, 'string');
assert.strictEqual(typeof callback, 'function');
@@ -681,7 +476,10 @@ function setMailRelay(relay, callback) {
assert.strictEqual(typeof relay, 'object');
assert.strictEqual(typeof callback, 'function');
function save() {
email.verifyRelay(relay, function (error) {
if (error && error.reason === EmailError.BAD_FIELD) return callback(new SettingsError(SettingsError.BAD_FIELD, error.message));
if (error) return callback(new SettingsError(SettingsError.INTERNAL_ERROR, error));
settingsdb.set(exports.MAIL_RELAY_KEY, JSON.stringify(relay), function (error) {
if (error) return callback(new SettingsError(SettingsError.INTERNAL_ERROR, error));
@@ -691,23 +489,6 @@ function setMailRelay(relay, callback) {
callback(null);
});
}
if (relay.provider === 'cloudron-smtp') return save();
var transporter = nodemailer.createTransport(smtpTransport({
host: relay.host,
port: relay.port,
auth: {
user: relay.username,
pass: relay.password
}
}));
transporter.verify(function(error) {
if (error) return callback(new SettingsError(SettingsError.BAD_FIELD, error.message));
save();
});
}