zapier-platform-cli/snippets/oauth2.js

The CLI for apps in the Zapier Developer Platform.

const authentication = {
  type: 'oauth2',
  test: {
    url: 'https://{{bundle.authData.subdomain}}.example.com/api/accounts/me.json'
  },
  // you can provide additional fields for inclusion in authData
  oauth2Config: {
    // "authorizeUrl" could also be a function returning a string url
    authorizeUrl: {
      method: 'GET',
      url: 'https://{{bundle.inputData.subdomain}}.example.com/api/oauth2/authorize',
      params: {
        client_id: '{{process.env.CLIENT_ID}}',
        state: '{{bundle.inputData.state}}',
        redirect_uri: '{{bundle.inputData.redirect_uri}}',
        response_type: 'code'
      }
    },
    // Zapier expects a response providing {access_token: 'abcd'}
    // "getAccessToken" could also be a function returning an object
    getAccessToken: {
      method: 'POST',
      url: 'https://{{bundle.inputData.subdomain}}.example.com/api/v2/oauth2/token',
      body: {
        code: '{{bundle.inputData.code}}',
        client_id: '{{process.env.CLIENT_ID}}',
        client_secret: '{{process.env.CLIENT_SECRET}}',
        redirect_uri: '{{bundle.inputData.redirect_uri}}',
        grant_type: 'authorization_code'
      },
      headers: {
        'Content-Type': 'application/x-www-form-urlencoded'
      }
    },
    scope: 'read,write'
  },
  // If you need any fields upfront, put them here
  fields: [
    {key: 'subdomain', type: 'string', required: true, default: 'app'}
  ]
};

const addBearerHeader = (request, z, bundle) => {
  if (bundle.authData && bundle.authData.access_token) {
    request.headers.Authorization = `Bearer ${bundle.authData.access_token}`;
  }
  return request;
};

const App = {
  // ...
  authentication: authentication,
  beforeRequest: [
    addBearerHeader,
  ]
  // ...
};

module.exports = App;