Worker MailChannels

worker.ts

import { zValidator } from '@hono/zod-validator';
import { Hono } from 'hono';
import { z } from 'zod';

const app = new Hono<{ Bindings: { DKIM_PRIVATE_KEY: string } }>();

app.get('/', (c) => c.text('Hello Hono!'));
app.post(
  '/send_email',
  zValidator(
    'json',
    z.object({
      to: z.array(z.object({ name: z.string(), email: z.string().email() })),
      subject: z.string(),
      content: z.array(z.object({ type: z.string(), value: z.string() })),
    }),
  ),
  async (c) => {
    const { to, subject, content } = c.req.valid('json');
    return fetch('https://api.mailchannels.net/tx/v1/send', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({
        personalizations: [
          {
            to,
            dkim_domain: 'shitpostai.com',
            dkim_selector: 'mailchannels',
            dkim_private_key: c.env.DKIM_PRIVATE_KEY,
          },
        ],
        from: { name: 'ShitpostAI', email: '[email protected]' },
        subject,
        content,
      }),
    });
  },
);

export default app;