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Preparation of merge with master

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Tomas Bures 2018-08-06 20:24:51 +05:30
parent 6648028270
commit cd798b5af7
26 changed files with 607 additions and 285 deletions
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163
services/verp-server.js
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@ -1,163 +0,0 @@
'use strict';
// FIXME - port for the new campaigns model
const { nodeifyFunction } = require('../lib/nodeify');
const getSettings = nodeifyFunction(require('../models/settings').get);
let log = require('npmlog');
let config = require('config');
let campaigns = require('../lib/models/campaigns');
let BounceHandler = require('bounce-handler').BounceHandler;
let SMTPServer = require('smtp-server').SMTPServer;
// Setup server
let server = new SMTPServer({
// log to console
logger: false,
banner: 'Mailtrain VERP bouncer',
disabledCommands: ['AUTH', 'STARTTLS'],
onRcptTo: (address, session, callback) => {
getSettings(['verpHostname'], (err, configItems) => {
if (err) {
err = new Error('Failed to load configuration');
err.responseCode = 421;
return callback(err);
}
let user = address.address.split('@').shift();
let host = address.address.split('@').pop();
if (host !== configItems.verpHostname || !/^[a-z0-9_-]+\.[a-z0-9_-]+\.[a-z0-9_-]+$/i.test(user)) {
err = new Error('Unknown user ' + address.address);
err.responseCode = 510;
return callback(err);
}
campaigns.findMailByCampaign(user, (err, message) => {
if (err) {
err = new Error('Failed to load user data');
err.responseCode = 421;
return callback(err);
}
if (!message) {
err = new Error('Unknown user ' + address.address);
err.responseCode = 510;
return callback(err);
}
session.campaignId = user;
session.message = message;
log.verbose('VERP', 'Incoming message for Campaign %s, List %s, Subscription %s', message.campaign, message.list, message.subscription);
callback();
});
});
},
// Handle message stream
onData: (stream, session, callback) => {
let chunks = [];
let chunklen = 0;
stream.on('data', chunk => {
if (!chunk || !chunk.length || chunklen > 60 * 1024) {
return;
}
chunks.push(chunk);
chunklen += chunk.length;
});
stream.on('end', () => {
let body = Buffer.concat(chunks, chunklen).toString();
let bh = new BounceHandler();
let bounceResult;
try {
bounceResult = [].concat(bh.parse_email(body) || []).shift();
} catch (E) {
log.error('Bounce', 'Failed parsing bounce message');
log.error('Bounce', JSON.stringify(body));
}
if (!bounceResult || ['failed', 'transient'].indexOf(bounceResult.action) < 0) {
return callback(null, 'Message accepted');
} else {
campaigns.updateMessage(session.message, 'bounced', bounceResult.action === 'failed', (err, updated) => {
if (err) {
log.error('VERP', 'Failed updating message: %s', err);
} else if (updated) {
log.verbose('VERP', 'Marked message %s as unsubscribed', session.campaignId);
}
callback(null, 'Message accepted');
});
}
});
}
});
module.exports = callback => {
if (!config.verp.enabled) {
return setImmediate(callback);
}
let started = false;
server.on('error', err => {
const port = config.verp.port;
const bind = typeof port === 'string' ? 'Pipe ' + port : 'Port ' + port;
switch (err.code) {
case 'EACCES':
log.error('VERP', '%s requires elevated privileges', bind);
break;
case 'EADDRINUSE':
log.error('VERP', '%s is already in use', bind);
break;
case 'ECONNRESET': // Usually happens when a client does not disconnect cleanly
case 'EPIPE': // Remote connection was closed before the server attempted to send data
default:
log.error('VERP', err);
}
if (!started) {
started = true;
return callback(err);
}
});
let hosts;
if (typeof config.verp.host === 'string' && config.verp.host) {
hosts = config.verp.host.trim().split(',').map(host => host.trim()).filter(host => host.trim());
if (hosts.indexOf('*') >= 0 || hosts.indexOf('all') >= 0) {
hosts = [false];
}
} else {
hosts = [false];
}
let pos = 0;
let startNextHost = () => {
if (pos >= hosts.length) {
started = true;
return setImmediate(callback);
}
let host = hosts[pos++];
server.listen(config.verp.port, host, () => {
if (started) {
return server.close();
}
log.info('VERP', 'Server listening on %s:%s', host || '*', config.verp.port);
setImmediate(startNextHost);
});
};
startNextHost();
};