Cursor EOD MCP (Slack)
by SackeyDavid
server.mjs•9.17 kB
import express from 'express';
import dotenv from 'dotenv';
import path from 'path';
import { fileURLToPath } from 'url';
import axios from 'axios';
import { initDB, upsertSlackUser, getSlackConfigByInternalUserId } from './src/db.mjs';
dotenv.config();
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const app = express();
const PORT = process.env.PORT || 3000;
// Validate required environment variables
const requiredEnvVars = [
'SLACK_CLIENT_ID',
'SLACK_CLIENT_SECRET',
'SLACK_REDIRECT_URI',
'DATABASE_URL'
];
const missingEnvVars = requiredEnvVars.filter(key => !process.env[key]);
if (missingEnvVars.length > 0) {
console.error(`Missing required environment variables: ${missingEnvVars.join(', ')}`);
process.exit(1);
}
// Initialize Database
initDB().catch(err => {
console.error('Failed to initialize database:', err);
process.exit(1);
});
// Serve static files from public directory
app.use(express.static('public'));
// 1. Healthcheck
app.get('/health', (req, res) => {
res.status(200).send('OK');
});
// 2. Landing Page
// Handled by express.static for '/', explicitly adding here for clarity if needed,
// but usually static middleware handles index.html on root.
app.get('/', (req, res) => {
res.sendFile(path.join(__dirname, 'public', 'index.html'));
});
// 3. Support & Privacy Pages
app.get('/privacy', (req, res) => {
res.sendFile(path.join(__dirname, 'public', 'privacy.html'));
});
app.get('/support', (req, res) => {
res.sendFile(path.join(__dirname, 'public', 'support.html'));
});
// 4. Slack OAuth Start
app.get('/slack/oauth/start', (req, res) => {
const state = req.query.state || 'demo-user';
const scopes = 'chat:write,channels:read,groups:read'; // Bot scopes
const userScopes = 'chat:write'; // User scopes
const slackAuthUrl = new URL('https://slack.com/oauth/v2/authorize');
slackAuthUrl.searchParams.append('client_id', process.env.SLACK_CLIENT_ID);
slackAuthUrl.searchParams.append('scope', scopes);
slackAuthUrl.searchParams.append('user_scope', userScopes);
slackAuthUrl.searchParams.append('redirect_uri', process.env.SLACK_REDIRECT_URI);
slackAuthUrl.searchParams.append('state', state);
console.log(`Redirecting to Slack OAuth: ${slackAuthUrl.toString()}`);
res.redirect(slackAuthUrl.toString());
});
// 5. Slack OAuth Callback
app.get('/slack/oauth/callback', async (req, res) => {
const { code, state, error } = req.query;
if (error) {
console.error('Slack OAuth error:', error);
return res.status(500).send(`<h1>OAuth Error</h1><p>${error}</p>`);
}
if (!code) {
return res.status(400).send('Missing ?code from Slack');
}
try {
const response = await axios.post(
'https://slack.com/api/oauth.v2.access',
new URLSearchParams({
client_id: process.env.SLACK_CLIENT_ID,
client_secret: process.env.SLACK_CLIENT_SECRET,
code: code.toString(),
redirect_uri: process.env.SLACK_REDIRECT_URI,
}),
{
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
}
);
const data = response.data;
if (!data.ok) {
console.error('Slack API error:', data);
return res.status(500).send(`<h1>Slack API Error</h1><pre>${JSON.stringify(data, null, 2)}</pre>`);
}
// Extract tokens
const internalUserId = state;
const slackUserId = data.authed_user.id;
const slackTeamId = data.team.id;
const slackUserToken = data.authed_user.access_token;
const slackBotToken = data.access_token || null;
await upsertSlackUser({
internalUserId,
slackUserId,
slackTeamId,
slackUserToken,
slackBotToken,
});
const maskedBotToken = slackBotToken ? `${slackBotToken.slice(0, 10)}...` : 'Not Available';
const maskedUserToken = slackUserToken ? `${slackUserToken.slice(0, 10)}...` : 'Not Available';
console.log(`Tokens saved for user ${internalUserId}. Bot: ${maskedBotToken}, User: ${maskedUserToken}`);
// Success page
res.send(`
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Slack Connected - Cursor EOD MCP</title>
<link rel="stylesheet" href="/styles.css">
<style>
body { display: flex; justify-content: center; align-items: center; min-height: 100vh; flex-direction: column; }
.card { max-width: 600px; width: 90%; padding: 2rem; background: rgba(255,255,255,0.03); border-radius: 16px; backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.1); text-align: center; }
h1 { color: white; margin-bottom: 1rem; font-size: 2rem; }
p { color: #ccc; margin-bottom: 1.5rem; }
.warning-note { background: rgba(66, 153, 225, 0.15); border: 1px solid rgba(66, 153, 225, 0.3); padding: 1rem; border-radius: 8px; color: #90cdf4; margin-bottom: 2rem; font-size: 0.9rem; text-align: left; }
.tokens { background: #111; padding: 1rem; border-radius: 8px; text-align: left; overflow-x: auto; font-family: monospace; margin-bottom: 2rem; color: #0f0; border: 1px solid rgba(255,255,255,0.1); }
.cta-group { display: flex; flex-direction: column; gap: 1rem; align-items: center; }
.btn {
padding: 12px 24px;
border-radius: 8px;
font-weight: 600;
text-decoration: none;
transition: all 0.2s ease;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
gap: 4px;
width: 100%;
max-width: 300px;
}
.btn-content {
display: flex;
align-items: center;
gap: 8px;
}
.btn-subtext {
font-size: 0.75rem;
font-weight: 400;
opacity: 0.9;
}
.btn-primary {
background: #6366f1;
color: white;
box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}
.btn-primary:hover {
transform: translateY(-2px);
background: #5558e6;
box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}
.btn-secondary {
background: transparent;
color: white;
border: 1px solid rgba(255,255,255,0.2);
}
.btn-secondary:hover {
background: rgba(255,255,255,0.1);
border-color: white;
}
</style>
</head>
<body>
<div class="background-glow"></div>
<div class="card">
<h1>Slack Connected! 🎉</h1>
<p>Your workspace has been authenticated successfully.</p>
<div class="warning-note">
<strong>ℹ️ Step 1 Complete:</strong> Copy these tokens now. You will need to paste them into your configuration after clicking the install button below.
</div>
<div class="tokens">
SLACK_BOT_TOKEN = ${slackBotToken}<br>
SLACK_USER_TOKEN = ${slackUserToken}<br>
SLACK_DEFAULT_CHANNEL = halo
</div>
<div class="cta-group">
<a href="cursor://anysphere.cursor-deeplink/mcp/install?name=@techhalo/cursor-eod-mcp&config=eyJjb21tYW5kIjoibnB4IiwiYXJncyI6WyIteSIsIkB0ZWNoaGFsby9jdXJzb3ItZW9kLW1jcCJdLCJlbnYiOnsiU0xBQ0tfQk9UX1RPS0VOIjoiIiwiU0xBQ0tfVVNFUl9UT0tFTiI6IiIsIlNMQUNLX0RFRkFVTFRfQ0hBTk5FTCI6IiJ9fQ==" class="btn btn-primary">
<span class="btn-content">
⚡ One-Click Install in Cursor
</span>
<span class="btn-subtext">Step 2: Paste tokens after install</span>
</a>
<a href="/" class="btn btn-secondary">Return to Home</a>
</div>
</div>
</body>
</html>
`);
} catch (err) {
console.error('Error during token exchange:', err);
res.status(500).send('<h1>Internal Server Error</h1>');
}
});
// 6. MCP Config Endpoint
app.get('/api/mcp-config/:internalUserId', async (req, res) => {
const { internalUserId } = req.params;
try {
const config = await getSlackConfigByInternalUserId(internalUserId);
if (!config) {
return res.status(404).json({ error: 'not_found' });
}
res.json({
SLACK_BOT_TOKEN: config.slackBotToken,
SLACK_USER_TOKEN: config.slackUserToken || "",
SLACK_DEFAULT_CHANNEL: config.slackDefaultChannel
});
} catch (err) {
console.error('Error fetching config:', err);
res.status(500).json({ error: 'internal_server_error' });
}
});
app.listen(PORT, () => {
console.log(`Server running on port ${PORT}`);
});
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