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2024-09-19 21:51:50 +08:00
commit 39fc7df763
10 changed files with 2788 additions and 0 deletions
@@ -0,0 +1,78 @@
+const SMTPServer = require('smtp-server').SMTPServer;
+const config = require('./config');
+const { parseEmail } = require('./services/emailParser');
+const { sendToWebhook } = require('./services/webhookService');
+require('aws-sdk/lib/maintenance_mode_message').suppress = true;
+
+// Use a more robust queue implementation
+const Queue = require('better-queue');
+
+// Create a queue for webhook sending
+const webhookQueue = new Queue(async function (parsed, cb) {
+  try {
+    await sendToWebhook(parsed);
+    console.log('Successfully sent to webhook');
+    cb(null);
+  } catch (error) {
+    console.error('Webhook error:', error.message);
+    if (error.response) {
+      console.error('Response status:', error.response.status);
+      console.error('Response data:', error.response.data);
+    }
+    cb(error);
+  }
+}, { concurrent: config.WEBHOOK_CONCURRENCY || 5 });
+
+const server = new SMTPServer({
+  onData(stream, session, callback) {
+    parseEmail(stream)
+      .then(parsed => {
+        webhookQueue.push(parsed);
+        console.log('Email added to queue. Queue size:', webhookQueue.getStats().total);
+        callback();
+      })
+      .catch(error => {
+        console.error('Parsing error:', error);
+        callback(new Error('Failed to parse email'));
+      });
+  },
+  onError(error) {
+    console.error('SMTP server error:', error);
+  },
+  disabledCommands: ['AUTH'],
+  secure: config.SMTP_SECURE
+});
+
+server.listen(config.PORT, '0.0.0.0', err => {
+  if (err) {
+    console.error('Failed to start SMTP server:', err);
+    process.exit(1);
+  }
+  console.log(`SMTP server listening on port ${config.PORT} on all interfaces`);
+});
+
+function gracefulShutdown(reason) {
+  console.log(`Shutting down: ${reason}`);
+  server.close(() => {
+    console.log('Server closed. Exiting process.');
+    process.exit(0);
+  });
+}
+
+process.on('uncaughtException', (err) => {
+  console.error('Uncaught exception:', err);
+  gracefulShutdown('Uncaught exception');
+});
+
+process.on('unhandledRejection', (reason, promise) => {
+  console.error('Unhandled Rejection at:', promise, 'reason:', reason);
+  gracefulShutdown('Unhandled rejection');
+});
+
+process.on('SIGTERM', () => {
+  gracefulShutdown('SIGTERM signal received');
+});
+
+process.on('SIGINT', () => {
+  gracefulShutdown('SIGINT signal received');
+});