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index.js
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index.js
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/* eslint-env es6 */
/* globals DENY: false, OK: false, DENYSOFT: false */
'use strict';
// disable config loading by Wild Duck
process.env.DISABLE_WILD_CONFIG = 'true';
const os = require('os');
const ObjectID = require('mongodb').ObjectID;
const db = require('./lib/db');
const DSN = require('haraka-dsn');
const punycode = require('punycode');
const SRS = require('srs.js');
const counters = require('wildduck/lib/counters');
const tools = require('wildduck/lib/tools');
const StreamCollect = require('./lib/stream-collect');
const Maildropper = require('wildduck/lib/maildropper');
const FilterHandler = require('wildduck/lib/filter-handler');
const autoreply = require('wildduck/lib/autoreply');
const consts = require('wildduck/lib/consts');
const wdErrors = require('wildduck/lib/errors');
const Gelf = require('gelf');
const addressparser = require('nodemailer/lib/addressparser');
const libmime = require('libmime');
DSN.rcpt_too_fast = () =>
DSN.create(
450,
'The user you are trying to contact is receiving mail at a rate that\nprevents additional messages from being delivered. Please resend your\nmessage at a later time. If the user is able to receive mail at that\ntime, your message will be delivered.',
2,
1
);
let defaultSpamRejectMessage =
'Our system has detected that this message is likely unsolicited mail.\nTo reduce the amount of spam this message has been blocked.';
exports.register = function() {
const plugin = this;
plugin.logdebug('Initializing rcpt_to Wild Duck plugin.', plugin);
plugin.load_wildduck_ini();
plugin.register_hook('init_master', 'init_wildduck_shared');
plugin.register_hook('init_child', 'init_wildduck_shared');
};
exports.load_wildduck_ini = function() {
const plugin = this;
plugin.cfg = plugin.config.get(
'wildduck.yaml',
{
booleans: ['attachments.decodeBase64', 'sender.enabled']
},
() => {
plugin.load_wildduck_ini();
}
);
};
exports.open_database = function(server, next) {
const plugin = this;
plugin.srsRewriter = new SRS({
secret: (plugin.cfg.srs && plugin.cfg.srs.secret) || 'secret'
});
plugin.rspamd = plugin.cfg.rspamd || {};
plugin.rspamd.forwardSkip = Number(plugin.rspamd.forwardSkip) || Number(plugin.cfg.spamScoreForwarding) || 0;
plugin.rspamd.blacklist = [].concat(plugin.rspamd.blacklist || []);
plugin.rspamd.responses = plugin.rspamd.responses || {};
plugin.hostname = (plugin.cfg.gelf && plugin.cfg.gelf.hostname) || os.hostname();
plugin.gelf =
plugin.cfg.gelf && plugin.cfg.gelf.enabled
? new Gelf(plugin.cfg.gelf.options)
: {
// placeholder
emit: () => false
};
wdErrors.setGelf(plugin.gelf);
plugin.loggelf = message => {
if (typeof message === 'string') {
message = {
short_message: message
};
}
message = message || {};
const component = plugin.cfg.gelf.component || 'mx';
if (!message.short_message || message.short_message.indexOf(component.toUpperCase()) !== 0) {
message.short_message = component.toUpperCase() + ' ' + (message.short_message || '');
}
message.facility = component; // facility is deprecated but set by the driver if not provided
message.host = plugin.hostname;
message.timestamp = Date.now() / 1000;
message._component = component;
Object.keys(message).forEach(key => {
if (!message[key]) {
delete message[key];
}
});
plugin.gelf.emit('gelf.log', message);
};
let createConnection = done => {
db.connect(server.notes.redis, plugin.cfg, (err, db) => {
if (err) {
return done(err);
}
plugin.db = db;
plugin.ttlcounter = counters(db.redis).ttlcounter;
plugin.db.messageHandler.loggelf = message => plugin.loggelf(message);
plugin.db.userHandler.loggelf = message => plugin.loggelf(message);
plugin.maildrop = new Maildropper({
db,
enabled: plugin.cfg.sender.enabled,
zone: plugin.cfg.sender.zone,
collection: plugin.cfg.sender.collection,
gfs: plugin.cfg.sender.gfs
});
plugin.filterHandler = new FilterHandler({
db,
sender: plugin.cfg.sender,
messageHandler: plugin.db.messageHandler,
loggelf: message => plugin.loggelf(message)
});
done();
});
};
let returned = false;
let tryCreateConnection = () => {
createConnection(err => {
if (err) {
if (!returned) {
plugin.logcrit('Database connection failed. ' + err.message, plugin);
returned = true;
next();
}
// keep trying to open up the DB connection
setTimeout(tryCreateConnection, 2 * 1000);
return;
}
plugin.loginfo('Database connection opened', plugin);
if (!returned) {
returned = true;
next();
}
});
};
tryCreateConnection();
};
exports.normalize_address = function(address) {
if (/^SRS\d+=/i.test(address.user)) {
// Try to fix case-mangled addresses where the intermediate MTA converts user part to lower case
// and thus breaks hash verification
let localAddress = address.user
// ensure that address starts with uppercase SRS
.replace(/^SRS\d+=/i, val => val.toUpperCase())
// ensure that the first entity that looks like SRS timestamp is uppercase
.replace(/([-=+][0-9a-f]{4})(=[A-Z2-7]{2}=)/i, (str, sig, ts) => sig + ts.toUpperCase());
return localAddress + '@' + punycode.toUnicode(address.host.toLowerCase().trim());
}
return tools.normalizeAddress(address.address());
};
exports.init_wildduck_shared = function(next, server) {
const plugin = this;
plugin.open_database(server, next);
};
exports.hook_deny = function(next, connection, params) {
const plugin = this;
const tnx = connection.transaction;
let remoteIp = connection.remote_ip;
let rcpts = tnx.rcpt_to || [];
if (!rcpts.length) {
rcpts = [false];
}
for (let rcpt of rcpts) {
let user;
let address = (rcpt && rcpt.address()) || false;
if (tnx.notes.targets && tnx.notes.targets.users) {
// try to resolve user id for the recipient address
for (let target of tnx.notes.targets.users) {
let uid = target[0];
let info = target[1];
if (info && info.recipient === address) {
user = uid;
}
}
}
let logdata = {
short_message: '[DENY:' + tnx.notes.sender + '] ' + tnx.uuid,
_mail_action: 'deny',
_from: tnx.notes.sender,
_queue_id: tnx.uuid,
_ip: remoteIp,
_proto: tnx.notes.transmissionType,
_to: address,
_user: user,
_rejector: params && params[2],
_reject_code: tnx.notes.rejectCode || (params && params[2]) || 'UNKNOWN'
};
let headerFrom = plugin.getHeaderFrom(tnx);
if (headerFrom) {
logdata._header_from_address = headerFrom.address;
logdata._header_from_value = tnx.header.get_all('From').join('; ');
}
let err = params && params[1];
if (typeof err === 'string') {
logdata._error = err;
} else if (err && typeof err === 'object') {
Object.keys(err).forEach(key => {
if (key === 'msg') {
logdata._error = err[key];
} else {
logdata['_error_' + key] = err[key];
}
});
}
plugin.loggelf(logdata);
}
next();
};
exports.hook_mail = function(next, connection, params) {
const plugin = this;
const tnx = connection.transaction;
let from = params[0];
tnx.notes.sender = from.address();
tnx.notes.id = new ObjectID();
tnx.notes.rateKeys = [];
tnx.notes.targets = {
users: new Map(),
forwards: new Map(),
recipients: new Set(),
autoreplies: new Map()
};
tnx.notes.transmissionType = []
.concat(connection.greeting === 'EHLO' ? 'E' : [])
.concat('SMTP')
.concat(connection.tls_cipher ? 'S' : [])
.join('');
plugin.loggelf({
short_message: '[MAIL FROM:' + tnx.notes.sender + '] ' + tnx.uuid,
_mail_action: 'mail_from',
_from: tnx.notes.sender,
_queue_id: tnx.uuid,
_ip: connection.remote_ip,
_proto: tnx.notes.transmissionType
});
return next();
};
exports.hook_rcpt = function(next, connection, params) {
const plugin = this;
const tnx = connection.transaction;
let tryCount = 0;
let tryTimer = false;
let returned = false;
let waitTimeout = false;
let runHandler = () => {
clearTimeout(tryTimer);
plugin.real_rcpt_handler(
(...args) => {
clearTimeout(waitTimeout);
if (returned) {
return;
}
returned = true;
let err = args && args[0];
if (err && /Error$/.test(err.name)) {
plugin.logerror(err, plugin, connection);
tnx.notes.rejectCode = 'ERRC01';
return next(DENYSOFT, 'Failed to process recipient, try again [ERRC01]');
}
next(...args);
},
connection,
params
);
};
// rcpt check requires access to the db which might not be available yet
let runCheck = () => {
if (returned) {
return;
}
if (!plugin.db) {
// database not opened yet
if (tryCount++ < 5) {
tryTimer = setTimeout(runCheck, tryCount * 150);
return;
}
clearTimeout(waitTimeout);
returned = true;
tnx.notes.rejectCode = 'ERRC02';
return next(DENYSOFT, 'Failed to process recipient, try again [ERRC02]');
}
runHandler();
};
waitTimeout = setTimeout(() => {
clearTimeout(waitTimeout);
if (returned) {
return;
}
returned = true;
tnx.notes.rejectCode = 'ERRC03';
return next(DENYSOFT, 'Failed to process recipient, try again [ERRC03]');
}, 8 * 1000);
runCheck();
};
exports.real_rcpt_handler = function(next, connection, params) {
const plugin = this;
const tnx = connection.transaction;
const remoteIp = connection.remote_ip;
const { recipients, forwards, autoreplies, users } = tnx.notes.targets;
let rcpt = params[0];
if (/\*/.test(rcpt.user)) {
// Using * is not allowed in addresses
tnx.notes.rejectCode = 'NO_SUCH_USER';
return next(DENY, DSN.no_such_user());
}
let address = plugin.normalize_address(rcpt);
recipients.add(address);
let resolution = false;
let hookDone = (...args) => {
if (resolution) {
let message = {
short_message: '[RCPT TO:' + rcpt.address() + '] ' + tnx.uuid,
_mail_action: 'rcpt_to',
_from: tnx.notes.sender,
_to: rcpt.address(),
_queue_id: tnx.uuid,
_ip: remoteIp,
_proto: tnx.notes.transmissionType
};
Object.keys(resolution).forEach(key => {
if (resolution[key]) {
message[key] = resolution[key];
}
});
plugin.loggelf(message);
}
next(...args);
};
plugin.logdebug('Checking validity of ' + address, plugin, connection);
if (/^SRS\d+=/.test(address)) {
let reversed = false;
try {
reversed = plugin.srsRewriter.reverse(address.substr(0, address.indexOf('@')));
let toDomain = punycode.toASCII(
(reversed[1] || '')
.toString()
.toLowerCase()
.trim()
);
if (!toDomain) {
plugin.logerror('SRS FAILED rcpt=' + address + ' error=Missing domain', plugin, connection);
resolution = {
_srs: 'yes',
_error: 'missing domain'
};
tnx.notes.rejectCode = 'NO_SUCH_USER';
return hookDone(DENY, DSN.no_such_user());
}
reversed = reversed.join('@');
} catch (err) {
plugin.logerror('SRS FAILED rcpt=' + address + ' error=' + err.message, plugin, connection);
resolution = {
full_message: err.stack,
_srs: 'yes',
_failure: 'yes',
_error: 'srs check failed',
_err_code: err.code
};
tnx.notes.rejectCode = 'NO_SUCH_USER';
return hookDone(DENY, DSN.no_such_user());
}
if (reversed) {
// accept SRS rewritten address
let key = reversed;
let selector = 'rcpt';
return plugin.checkRateLimit(connection, selector, key, false, (err, success) => {
if (err) {
resolution = {
full_message: err.stack,
_srs: 'yes',
_rate_limit: 'yes',
_selector: selector,
_failure: 'yes',
_error: 'rate limit check failed',
_err_code: err.code
};
err.code = err.code || 'RateLimit';
return hookDone(err);
}
if (!success) {
resolution = {
_srs: 'yes',
_rate_limit: 'yes',
_selector: selector,
_error: 'too many attempts'
};
tnx.notes.rejectCode = 'RATE_LIMIT';
return hookDone(DENYSOFT, DSN.rcpt_too_fast());
}
// update rate limit for this address after delivery
tnx.notes.rateKeys.push({ selector, key });
plugin.loginfo('SRS USING rcpt=' + address + ' target=' + reversed, plugin, connection);
forwards.set(reversed, { type: 'mail', value: reversed, recipient: rcpt.address() });
resolution = {
_srs: 'yes',
_rcpt_accepted: 'yes',
_forward_to: reversed
};
return hookDone(OK);
});
}
}
let handleForwardingAddress = addressData => {
plugin.ttlcounter(
'wdf:' + addressData._id.toString(),
addressData.targets.length,
addressData.forwards || consts.MAX_FORWARDS,
false,
(err, result) => {
if (err) {
// failed checks
resolution = {
full_message: err.stack,
_forward: 'yes',
_rate_limit: 'yes',
_selector: 'user',
_failure: 'yes',
_error: 'rate limit check failed',
_err_code: err.code
};
err.code = err.code || 'RateLimit';
return hookDone(err);
} else if (!result.success) {
connection.lognotice(
'RATELIMITED target=' +
addressData.address +
' key=' +
addressData._id +
' limit=' +
addressData.forwards +
' value=' +
result.value +
' ttl=' +
result.ttl,
plugin,
connection
);
resolution = {
_forward: 'yes',
_rate_limit: 'yes',
_selector: 'user',
_error: 'too many attempts'
};
tnx.notes.rejectCode = 'RATE_LIMIT';
return hookDone(DENYSOFT, DSN.rcpt_too_fast());
}
plugin.loginfo(
'FORWARDING rcpt=' +
address +
' address=' +
addressData.address +
'[' +
addressData._id +
']' +
' target=' +
addressData.targets.map(target => ((target && target.value) || target).toString().replace(/\?.*$/, '')).join(','),
plugin,
connection
);
if (addressData.autoreply) {
autoreplies.set(addressData.addrview, addressData);
}
let forwardTargets = [];
let pos = 0;
let processTarget = () => {
if (pos >= addressData.targets.length) {
resolution = {
_forward: 'yes',
_rcpt_accepted: 'yes',
_forward_to: forwardTargets.join('\n') || 'empty_list'
};
return hookDone(OK);
}
let targetData = addressData.targets[pos++];
if (targetData.type === 'relay') {
// relay is not rate limited
targetData.recipient = rcpt.address();
forwards.set(targetData.value, targetData);
forwardTargets.push(rcpt.address() + ':' + (targetData.value || '').toString().replace(/\?.*$/, ''));
return setImmediate(processTarget);
}
if (targetData.type === 'http' || (targetData.type === 'mail' && !targetData.user)) {
if (targetData.type !== 'mail') {
forwardTargets.push(rcpt.address() + ':' + targetData.value);
targetData.recipient = rcpt.address();
} else {
forwardTargets.push(targetData.value);
}
forwards.set(targetData.value, targetData);
return setImmediate(processTarget);
}
if (targetData.type !== 'mail') {
// no idea what to do here, some new feature probably
return setImmediate(processTarget);
}
if (targetData.user && users.has(targetData.user.toString())) {
// already listed as a recipient
return setImmediate(processTarget);
}
// we have a target user, so we need to resolve user data
plugin.db.users.collection('users').findOne(
{ _id: targetData.user },
{
// extra fields are needed later in the filtering step
projection: {
_id: true,
name: true,
address: true,
forwards: true,
targets: true,
autoreply: true,
encryptMessages: true,
encryptForwarded: true,
pubKey: true,
spamLevel: true,
storageUsed: true,
quota: true,
audit: true
}
},
(err, userData) => {
if (err) {
err.code = 'InternalDatabaseError';
resolution = {
full_message: err.stack,
_collection: 'users',
_db_query: '_id:' + targetData.user,
_error: 'failed to make a db query',
_failure: 'yes',
_err_code: err.code
};
return hookDone(err);
}
if (!userData) {
// unknown user, treat as normal forward
targetData.recipient = rcpt.address();
forwards.set(targetData.value, targetData);
forwardTargets.push(targetData.value);
return setImmediate(processTarget);
}
if (userData.disabled) {
// disabled user, skip
forwardTargets.push(targetData.value + ':' + userData._id + '[disabled]');
return setImmediate(processTarget);
}
// max quota for the user
let quota = userData.quota || consts.MAX_STORAGE;
if (userData.storageUsed && quota <= userData.storageUsed) {
// can not deliver mail to this user, over quota, skip
forwardTargets.push(targetData.value + ':' + userData._id + '[over_quota]');
return setImmediate(processTarget);
}
users.set(userData._id.toString(), {
userData,
recipient: rcpt.address()
});
forwardTargets.push(targetData.value + ':' + userData._id);
setImmediate(processTarget);
}
);
};
setImmediate(processTarget);
}
);
};
let checkIpRateLimit = (userData, done) => {
if (!remoteIp) {
return done();
}
let key = remoteIp + ':' + userData._id.toString();
let selector = 'rcptIp';
plugin.checkRateLimit(connection, selector, key, false, (err, success) => {
if (err) {
resolution = {
full_message: err.stack,
_rate_limit: 'yes',
_selector: selector,
_user: userData._id.toString(),
_default_address: rcpt.address() !== userData.address ? userData.address : '',
_error: 'rate limit check failed',
_failure: 'yes',
_err_code: err.code
};
err.code = err.code || 'RateLimit';
return hookDone(err);
}
if (!success) {
resolution = {
_rate_limit: 'yes',
_selector: selector,
_error: 'too many attempts',
_user: userData._id.toString(),
_default_address: rcpt.address() !== userData.address ? userData.address : ''
};
tnx.notes.rejectCode = 'RATE_LIMIT';
return hookDone(DENYSOFT, DSN.rcpt_too_fast());
}
// update rate limit for this address after delivery
tnx.notes.rateKeys.push({ selector, key });
return done();
});
};
plugin.db.userHandler.resolveAddress(
address,
{
wildcard: true,
projection: {
name: true,
address: true,
addrview: true,
forwards: true,
autoreply: true,
targets: true // only forwarded address has `targets` set
}
},
(err, addressData) => {
if (err) {
resolution = {
full_message: err.stack,
_api: 'resolveAddress',
_db_query: 'address:' + address,
_error: 'failed to resolve an address',
_failure: 'yes',
_err_code: err.code
};
err.code = err.code || 'ResolveAddress';
return hookDone(err);
}
if (addressData && addressData.targets) {
return handleForwardingAddress(addressData);
}
if (!addressData || !addressData.user) {
plugin.logdebug('No such user ' + address, plugin, connection);
resolution = {
_error: 'no such user',
_unknwon_user: 'yes'
};
tnx.notes.rejectCode = 'NO_SUCH_USER';
return hookDone(DENY, DSN.no_such_user());
}
plugin.db.userHandler.get(
addressData.user,
{
// extra fields are needed later in the filtering step
name: true,
address: true,
forwards: true,
receivedMax: true,
targets: true,
autoreply: true,
encryptMessages: true,
encryptForwarded: true,
pubKey: true,
spamLevel: true,
storageUsed: true,
quota: true
},
(err, userData) => {
if (err) {
resolution = {
full_message: err.stack,
_api: 'getUser',
_db_query: 'user:' + addressData.user,
_error: 'failed to fetch user',
_failure: 'yes',
_err_code: err.code
};
err.code = err.code || 'GetUserData';
return hookDone(err);
}
if (!userData) {
resolution = {
_error: 'no such user',
_unknwon_user: 'yes'
};
tnx.notes.rejectCode = 'NO_SUCH_USER';
return hookDone(DENY, DSN.no_such_user());
}
if (userData.disabled) {
// user is disabled for whatever reason
resolution = {
_user: userData._id.toString(),
_error: 'disabled user',
_disabled_user: 'yes'
};
tnx.notes.rejectCode = 'MBOX_DISABLED';
return hookDone(DENY, DSN.mbox_disabled());
}
// max quota for the user
let quota = userData.quota || consts.MAX_STORAGE;
if (userData.storageUsed && quota <= userData.storageUsed) {
// can not deliver mail to this user, over quota
resolution = {
_user: userData._id.toString(),
_error: 'user over quota',
_over_quota: 'yes',
_default_address: rcpt.address() !== userData.address ? userData.address : ''
};
tnx.notes.rejectCode = 'MBOX_FULL';
return hookDone(DENY, DSN.mbox_full());
}
checkIpRateLimit(userData, () => {
let key = userData._id.toString();
let selector = 'rcpt';
plugin.checkRateLimit(connection, selector, key, userData.receivedMax, (err, success) => {
if (err) {
resolution = {
full_message: err.stack,
_rate_limit: 'yes',
_selector: selector,
_user: userData._id.toString(),
_default_address: rcpt.address() !== userData.address ? userData.address : '',
_error: 'rate limit check failed',
_failure: 'yes',
_err_code: err.code
};
err.code = err.code || 'RateLimit';
return hookDone(err);
}
if (!success) {
resolution = {
_rate_limit: 'yes',
_selector: selector,
_error: 'too many attempts',
_user: userData._id.toString(),
_default_address: rcpt.address() !== userData.address ? userData.address : ''
};
tnx.notes.rejectCode = 'RATE_LIMIT';
return hookDone(DENYSOFT, DSN.rcpt_too_fast());
}
plugin.loginfo('RESOLVED rcpt=' + rcpt.address() + ' user=' + userData.address + '[' + userData._id + ']', plugin, connection);
// update rate limit for this address after delivery
tnx.notes.rateKeys.push({ selector, key, limit: userData.receivedMax });
users.set(userData._id.toString(), {
userData,
recipient: rcpt.address()
});
resolution = {
_user: userData._id.toString(),
_rcpt_accepted: 'yes',
_default_address: rcpt.address() !== userData.address ? userData.address : ''
};
return hookDone(OK);
});
});
}
);
}
);
};
exports.hook_queue = function(next, connection) {
const plugin = this;
const tnx = connection.transaction;
const queueId = tnx.uuid;
const remoteIp = connection.remote_ip;
const transhost = connection.hello.host;
let blacklisted = this.checkRspamdBlacklist(tnx);
if (blacklisted) {
// can not send DSN object for hook_queue as it is converted to [object Object]
tnx.notes.rejectCode = blacklisted.key;
return next(DENY, plugin.dsnSpamResponse(tnx, blacklisted.key).reply);
}
// results about verification (TLS, SPF, DKIM)
let verificationResults = {
tls: false,
spf: false,
dkim: false
};
let tlsResults = connection.results.get('tls');
if (tlsResults && tlsResults.enabled) {
verificationResults.tls = tlsResults.cipher;
}
// find domain that sent this message (SPF Pass)
let spfResultsFrom = tnx.results.get('spf');
let spfResultsHelo = tnx.results.get('spf');
if (spfResultsFrom && spfResultsFrom.scope === 'mfrom' && spfResultsFrom.result === 'Pass') {
verificationResults.spf = tools.normalizeDomain(spfResultsFrom.domain);
} else if (spfResultsHelo && spfResultsHelo.scope === 'helo' && spfResultsHelo.result === 'Pass') {
verificationResults.spf = tools.normalizeDomain(spfResultsHelo.domain);
}
// find domain that DKIM signed this message. Prefer header from, otherwise use envelope from
if (tnx.notes.dkim_results) {
let dkimResults = Array.isArray(tnx.notes.dkim_results) ? tnx.notes.dkim_results : [].concat(tnx.notes.dkim_results || []);
let envelopeFrom = tnx.notes.sender;
let headerFrom = plugin.getHeaderFrom(tnx);
let envelopeDomain = (envelopeFrom && envelopeFrom.split('@').pop()) || '';
let headerDomain = (headerFrom && headerFrom.address && headerFrom.address.split('@').pop()) || '';
for (let dkimResult of dkimResults) {
if (dkimResult && dkimResult.result === 'pass') {
let domain = tools.normalizeDomain(dkimResult.domain);
if (headerDomain && domain === headerDomain) {
verificationResults.dkim = headerDomain;
break;
}
if (envelopeDomain && domain === envelopeDomain) {
verificationResults.dkim = envelopeDomain;
// do not break yet, maybe header domain result also exists
}
}
}
// no mathcing domain found, use the first valid one
if (!verificationResults.dkim && dkimResults.length) {
verificationResults.dkim = dkimResults[0].domain;
}
}
const { forwards, autoreplies, users } = tnx.notes.targets;
let messageId = (tnx.header.get('Message-Id') || '').toString();
let subject = (tnx.header.get('Subject') || '').toString();
let sendLogEntry = resolution => {
if (resolution) {
let rspamd = tnx.results.get('rspamd');
try {
subject = libmime.decodeWords(subject).trim();
} catch (E) {
// failed to parse value
}
let message = {
short_message: '[PROCESS] ' + queueId,
_mail_action: 'process',
_queue_id: queueId,
_message_id: messageId.replace(/^[\s<]+|[\s>]+$/g, ''),
_spam_score: rspamd ? rspamd.score : '',
_spam_action: rspamd ? rspamd.action : '',
_from: tnx.notes.sender,
_subject: subject
};
Object.keys(resolution).forEach(key => {
if (resolution[key]) {
message[key] = resolution[key];
}
});
plugin.loggelf(message);
}
};
let collector = new StreamCollect();
let collectData = done => {
// buffer message chunks by draining the stream
collector.on('data', () => false); //just drain
tnx.message_stream.once('error', err => collector.emit('error', err));
collector.once('end', done);
collector.once('error', err => {
plugin.logerror('PIPEFAIL error=' + err.message, plugin, connection);
sendLogEntry({
full_message: err.stack,
_error: 'pipefail processing input',
_failure: 'yes',
_err_code: err.code
});
tnx.notes.rejectCode = 'ERRQ01';
return next(DENYSOFT, 'Failed to queue message [ERRQ01]');
});
tnx.message_stream.pipe(collector);
};
plugin.getHeaderAddresses(tnx, (err, headerAddresses) => {
if (err) {
sendLogEntry({
full_message: err.stack,
_error: 'error resolving addresses',
_failure: 'yes',