Built-in Zone MTA

Plugin for ZoneMTA for per-message DKIM keys.

server/lib/builtin-zone-mta.js

@@ -0,0 +1,45 @@
+'use strict';
+
+const config = require('config');
+const fork = require('child_process').fork;
+const log = require('./log');
+const path = require('path');
+
+let zoneMtaProcess;
+
+module.exports = {
+    spawn
+};
+
+function spawn(callback) {
+    if (config.builtinZoneMTA.enabled) {
+        log.info('ZoneMTA', 'Starting built-in Zone MTA process');
+
+        zoneMtaProcess = fork(
+            path.join(__dirname, '..', '..', 'zone-mta', 'index.js'),
+            ['--config=' + path.join(__dirname, '..', '..', 'zone-mta', 'config', 'zonemta.js')],
+            {
+                cwd: path.join(__dirname, '..', '..', 'zone-mta'),
+                env: {NODE_ENV: process.env.NODE_ENV}
+            }
+        );
+
+        zoneMtaProcess.on('message', msg => {
+            if (msg) {
+                if (msg.type === 'zone-mta-started') {
+                    log.info('ZoneMTA', 'ZoneMTA process started');
+                    return callback();
+                } else if (msg.type === 'entries-added') {
+                    senders.scheduleCheck();
+                }
+            }
+        });
+
+        zoneMtaProcess.on('close', (code, signal) => {
+            log.error('ZoneMTA', 'ZoneMTA process exited with code %s signal %s', code, signal);
+        });
+
+    } else {
+        callback();
+    }
+}