botrix/web-server.js at main · Neuliko/botrix · GitHub

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const express = require('express');
const path = require('path');
const BotManager = require('./bot.js');
const crypto = require('crypto');
require('dotenv').config();

const app = express();
const PORT = process.env.PORT || 3000;

// Middleware
app.use(express.json());
app.use(express.urlencoded({ extended: true }));

// Serve static files
app.use(express.static(path.join(__dirname, 'public')));
app.use(express.static(path.join(__dirname)));

// OAuth state storage (in production, use Redis/session store)
const oauthStates = new Map();

// API routes
app.get('/api/guilds', async (req, res) => {
  try {
    const guilds = botManager.getGuilds();
    res.json(guilds);
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
});

app.get('/api/channels/:guildId', async (req, res) => {
  try {
    const channels = botManager.getChannels(req.params.guildId);
    res.json(channels);
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
});

app.post('/api/send-message', express.json(), async (req, res) => {
  try {
    const { channelId, message } = req.body;
    const success = await botManager.sendMessage(channelId, message);
    res.json({ success });
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
});

app.get('/api/logs', (req, res) => {
  const logs = botManager.getLogs();
  res.json(logs);
});

app.get('/api/bots', (req, res) => {
  const bots = botManager.getBotConfigs();
  res.json(bots);
});

app.post('/api/save-bot-config', express.json(), (req, res) => {
  try {
    const { token, name } = req.body;
    const success = botManager.saveBotConfig(token, name);
    res.json({ success });
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
});

app.get('/api/stored-tokens', (req, res) => {
  try {
    const tokens = botManager.getStoredTokens();
    res.json(tokens);
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
});

app.post('/api/clear-data', (req, res) => {
  try {
    const success = botManager.clearAllData();
    res.json({ success });
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
});

app.get('/oauth/callback', async (req, res) => {
  const { code, state } = req.query;

  try {
    // Verify state parameter for security
    if (!state || !oauthStates.has(state)) {
      return res.status(400).send('<p>Invalid OAuth state. Please try again.</p>');
    }

    // Remove used state
    oauthStates.delete(state);

    if (!code) {
      return res.status(400).send('<p>Authorization code not provided.</p>');
    }

    // Exchange code for access token
    const tokenResponse = await exchangeCodeForToken(code);

    if (tokenResponse.error) {
      return res.status(400).send(`<p>OAuth Error: ${tokenResponse.error_description}</p>`);
    }

    // Get user info
    const userInfo = await getDiscordUserInfo(tokenResponse.access_token);

    // Store authentication data
    const authData = {
      access_token: tokenResponse.access_token,
      refresh_token: tokenResponse.refresh_token,
      expires_at: Date.now() + (tokenResponse.expires_in * 1000),
      user: userInfo
    };

    // In production, store in secure session/database
    // For now, we'll use a simple in-memory store (not secure for production)
    global.discordAuth = authData;

    // Return success page
    res.send(`
      <!DOCTYPE html>
      <html>
      <head>
        <title>Discord Authentication</title>
        <style>
          body { font-family: Arial, sans-serif; text-align: center; padding: 50px; background: #36393f; color: #dcddde; }
          .success { color: #3ba55c; }
          button { background: #5865f2; color: white; border: none; padding: 10px 20px; border-radius: 5px; cursor: pointer; }
        </style>
      </head>
      <body>
        <h1 class="success">✅ Authentication Successful!</h1>
        <p>Welcome, ${userInfo.username}#${userInfo.discriminator}!</p>
        <p>You can now close this window and return to the app.</p>
        <button onclick="window.close()">Close Window</button>
        <script>
          // Notify parent window if opened in popup
          if (window.opener) {
            window.opener.postMessage({ type: 'DISCORD_AUTH_SUCCESS', user: ${JSON.stringify(userInfo)} }, '*');
          }
          // Auto-close after 3 seconds
          setTimeout(() => window.close(), 3000);
        </script>
      </body>
      </html>
    `);

  } catch (error) {
    console.error('OAuth callback error:', error);
    res.status(500).send('<p>Authentication failed. Please try again.</p>');
  }
});

// Start OAuth flow
app.get('/api/oauth/start', (req, res) => {
  const clientId = process.env.DISCORD_CLIENT_ID;
  const redirectUri = encodeURIComponent(process.env.DISCORD_REDIRECT_URI || 'http://localhost:3000/oauth/callback');
  const scope = encodeURIComponent(process.env.DISCORD_SCOPES || 'identify');

  // Generate secure state parameter
  const state = crypto.randomBytes(32).toString('hex');
  oauthStates.set(state, { timestamp: Date.now() });

  // Clean up old states (older than 10 minutes)
  for (const [key, value] of oauthStates.entries()) {
    if (Date.now() - value.timestamp > 10 * 60 * 1000) {
      oauthStates.delete(key);
    }
  }

  const oauthUrl = `https://discord.com/api/oauth2/authorize?client_id=${clientId}&redirect_uri=${redirectUri}&response_type=code&scope=${scope}&state=${state}`;

  res.json({ url: oauthUrl });
});

// Get OAuth status
app.get('/api/oauth/status', (req, res) => {
  const isAuthenticated = !!(global.discordAuth && global.discordAuth.expires_at > Date.now());
  res.json({
    authenticated: isAuthenticated,
    user: isAuthenticated ? global.discordAuth.user : null
  });
});

// Logout
app.post('/api/oauth/logout', (req, res) => {
  global.discordAuth = null;
  res.json({ success: true });
});

// Helper functions for OAuth
async function exchangeCodeForToken(code) {
  const clientId = process.env.DISCORD_CLIENT_ID;
  const clientSecret = process.env.DISCORD_CLIENT_SECRET;
  const redirectUri = process.env.DISCORD_REDIRECT_URI || 'http://localhost:3000/oauth/callback';

  const response = await fetch('https://discord.com/api/oauth2/token', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/x-www-form-urlencoded',
    },
    body: new URLSearchParams({
      client_id: clientId,
      client_secret: clientSecret,
      grant_type: 'authorization_code',
      code: code,
      redirect_uri: redirectUri,
    }),
  });

  return response.json();
}

async function getDiscordUserInfo(accessToken) {
  const response = await fetch('https://discord.com/api/users/@me', {
    headers: {
      'Authorization': `Bearer ${accessToken}`,
    },
  });

  if (!response.ok) {
    throw new Error('Failed to get user info');
  }

  return response.json();
}

// Initialize bot manager
const botManager = new BotManager();
botManager.init();

// Start server
app.listen(PORT, () => {
  console.log(`Local Bot Client web server running on http://localhost:${PORT}`);
  console.log('Access from mobile devices on the same network');
});

app.post('/api/switch-bot', express.json(), (req, res) => {
  try {
    const { botId } = req.body;
    botManager.switchBot(botId);
    res.json({ success: true });
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
});

app.post('/api/reconnect', (req, res) => {
  try {
    botManager.reconnect();
    res.json({ success: true });
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
});

// Serve index.html for all other routes (SPA)
app.get('*', (req, res) => {
  res.sendFile(path.join(__dirname, 'index.html'));
});

// Initialize bot manager
const botManager = new BotManager();
botManager.init();

// Start server
app.listen(PORT, () => {
  console.log(`Local Bot Client web server running on http://localhost:${PORT}`);
  console.log('Access from mobile devices on the same network');
});