get qiitadon access token using mastdon-api. fork from https://github.com/vanita5/mastodon-api/blob/master/examples/authorization.js

qiitadon-authorization.js

const readline = require('readline');
const Mastodon = require('mastodon-api');

const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout,
});

let clientId;
let clientSecret;

const scope = 'read';
const baseUrl = 'https://qiitadon.com';
const apiEndpoint = `${baseUrl}/api/v1/apps`;
const clientName = 'client-name';

Mastodon.createOAuthApp(apiEndpoint, clientName, scope)
.catch(err => console.error(err))
.then((res) => {
  console.log('Please save \'id\', \'client_id\' and \'client_secret\' in your program and use it from now on!');
  console.log(res);

  clientId = res.client_id;
  clientSecret = res.client_secret;

  return Mastodon.getAuthorizationUrl(clientId, clientSecret, baseUrl, scope);
})
.then((url) => {
  console.log('This is the authorization URL. Open it in your browser and authorize with your account!');
  console.log(url);
  return new Promise((resolve) => {
    rl.question('Please enter the code from the website: ', (code) => {
      resolve(code);
      rl.close();
    });
  });
})
.then(code => Mastodon.getAccessToken(clientId, clientSecret, code, baseUrl))
.catch(err => console.error(err))
.then((accessToken) => {
  console.log(`This is the access token. Save it!\n${accessToken}`);
});