iPhone 应用程序的 Facebook 访问令牌服务器端验证

Javascript
const express = require('express');
const axIOS = require('axIOS');
const app = express();
const Facebook_GRAPH_API_URL = 'Facebook.com/v15.0';">https://graph.Facebook.com/v15.0';</a>
app.get('/verify-token', async (req, res) => {
  const { accessToken } = req.query;
  try {
    const response = awAIt axIOS.get(<code>${Facebook_GRAPH_API_URL}/me</code>, {
      params: {
        access_token: accessToken,
      },
    });
    if (response.data.id) {
      res.status(200).JSon({ valid: true });
    } else {
      res.status(401).JSon({ valid: false });
    }
  } catch (error) {
    res.status(401).JSon({ valid: false });
  }
});
app.listen(3000, () => {
  console.log('Server is running on port 3000');
});