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Google Apps ScriptでTwitter

aa5ゴミ箱: GoogleAppsScriptでTwitterに投稿する方法
こちらのサイトを参考に事前準備をすませる。

kijtra.com
こちらの方が画像がありわかりやすい。

GAS(Google Apps Script)でお手軽にbotを作る方法。 - usakoyama
Twitterの登録はこちらがわかりやすい。

github.com

ここからコピペ

var CONSUMER_KEY = '...';                    //入力
var CONSUMER_SECRET = '...';                 //入力

/**
 * Authorizes and makes a request to the Twitter API.
 */
function run(text) {                         //text追加
  var service = getService();
  if (service.hasAccess()) {
    var url = 'https://api.twitter.com/1.1/statuses/update.json';
    var payload = {
      status: text                           //textに変更
    };
    payload = Object.keys(payload).map(function(key) {
      return encodeRfc3986(key) + '=' + encodeRfc3986(payload[key]);
    }).join('&');
    var response = service.fetch(url, {
      method: 'post',
      payload: payload,
      escaping: false
    });
    var result = JSON.parse(response.getContentText());
    Logger.log(JSON.stringify(result, null, 2));
  } else {
    var authorizationUrl = service.authorize();
    Logger.log('Open the following URL and re-run the script: %s',
        authorizationUrl);
  }
}

/**
 * Encodes a string using the RFC 3986 spec.
 */
function encodeRfc3986(str) {
  return encodeURIComponent(str).replace(/[!'()]/g, function(char) {
    return escape(char);
  }).replace(/\*/g, "%2A");
}

/**
 * Reset the authorization state, so that it can be re-tested.
 */
function reset() {
  var service = getService();
  service.reset();
}

/**
 * Configures the service.
 */
function getService() {
  return OAuth1.createService('Twitter')
      // Set the endpoint URLs.
      .setAccessTokenUrl('https://api.twitter.com/oauth/access_token')
      .setRequestTokenUrl('https://api.twitter.com/oauth/request_token')
      .setAuthorizationUrl('https://api.twitter.com/oauth/authorize')

      // Set the consumer key and secret.
      .setConsumerKey(CONSUMER_KEY)
      .setConsumerSecret(CONSUMER_SECRET)

      // Set the name of the callback function in the script referenced
      // above that should be invoked to complete the OAuth flow.
      .setCallbackFunction('authCallback')

      // Set the property store where authorized tokens should be persisted.
      .setPropertyStore(PropertiesService.getUserProperties());
}

/**
 * Handles the OAuth2 callback.
 */
function authCallback(request) {
  var service = getService();
  var authorized = service.handleCallback(request);
  if (authorized) {
    return HtmlService.createHtmlOutput('Success!');
  } else {
    return HtmlService.createHtmlOutput('Denied');
  }
}

Twitter投稿

function myFunction0() {
  run('お腹すいた');
}