我尝试使用节点oidc提供程序使用授权代码流获取access_token和refresh_token。我获得了auth_code。但无法获取访问令牌和刷新令牌如何解决此问题。我参考了许多文档，但无法获取。

OIDC配置

const oidc = new Provider('http://localhost:3000', {
  clients: [
    {
      client_id: 'foo',
      client_secret: 'bar',
      redirect_uris: ['https://jwt.io'], // using jwt.io as redirect_uri to show the ID Token contents
      response_types: ['code'],
      grant_types: ['authorization_code'],
      token_endpoint_auth_method: 'none',
    },
  ],
  cookies: {
    keys: 'secretkey'
  },
  pkce: {
    required: true
  },
});

// Heroku has a proxy in front that terminates ssl, you should trust the proxy.
oidc.proxy = true;
app.use(oidc.callback())

我还获得了auth_code

如何使用node-oidc提供程序获取访问令牌和刷新令牌