mastdon toot -> twitter tweet

mstdn2twtr.gs

var twitter = TwitterWebService.getInstance(
  PropertiesService.getScriptProperties().getProperty('twitterCS'),
  PropertiesService.getScriptProperties().getProperty('twitterCK')
)

function authorize() {
  twitter.authorize()
}

twitter.getService = function() {
  return OAuth1.createService('Twitter2')
    .setAccessTokenUrl('https://api.twitter.com/oauth/access_token')
    .setRequestTokenUrl('https://api.twitter.com/oauth/request_token')
    .setAuthorizationUrl('https://api.twitter.com/oauth/authorize')
    .setConsumerKey(twitter.consumer_key)
    .setConsumerSecret(twitter.consumer_secret)
    .setCallbackFunction('authCallback')
    .setPropertyStore(PropertiesService.getUserProperties())
}

function authCallback(request) {
  return twitter.authCallback(request)
}

function postUpdateStatus(text) {
  var service = twitter.getService()
  var response = service.fetch('https://api.twitter.com/1.1/statuses/update.json', {
    method: 'post',
    payload: { status: text }
  })
  Logger.log(JSON.parse(response))
}

//mastodonTimeline
function getToots(token, domain) {
  var domain = PropertiesService.getScriptProperties().getProperty('mastodonDomain')
  var token = PropertiesService.getScriptProperties().getProperty('mastodonToken')
  var url = 'https://' + domain + '/api/v1/accounts/'+PropertiesService.getUserProperties().getProperty('mastodonID')+'/statuses'
  var options = {
    method: 'get',
    headers: { Authorization: 'Bearer ' + token }
  }
  var res = UrlFetchApp.fetch(url, options)
  var jsonData = JSON.parse(res.getContentText())
  var filtered = jsonData
    .filter(function(e) {
      return e.reblog === null && e.visibility !== 'direct' && e.visibility !== 'private' && e.content.indexOf('@') === -1
    })
    .map(function(e) {
      return {
        text: e.content.replace(/<br \/>/g, '\n').replace(/<("[^"]*"|'[^']*'|[^'">])*>/g, '').replace(/@/g,'@.'),
        url: e.url,
        id: e.id
      }
    })
  return filtered
}

function getCredentials() {
  var domain = PropertiesService.getScriptProperties().getProperty('mastodonDomain')
  var token = PropertiesService.getScriptProperties().getProperty('mastodonToken')
  var url = 'https://' + domain + '/api/v1/accounts/verify_credentials'
  var options = {
    method: 'get',
    headers: { Authorization: 'Bearer ' + token }
  }
  var res = UrlFetchApp.fetch(url, options)
  var jsonData = JSON.parse(res.getContentText())
  PropertiesService.getUserProperties().setProperty('mastodonID', jsonData.id)
  return jsonData.id
}

function syncMstdn2Twitter() {
  var domain = PropertiesService.getScriptProperties().getProperty('mastodonDomain')
  var token = PropertiesService.getScriptProperties().getProperty('mastodonToken')
  var toots = getToots(token, domain)
  var start = PropertiesService.getUserProperties().getProperty('lastid')
  if(start==null)start='0'
  var pad0 = function(num){return ('00000000000000000000'+num).slice(-20)}

  var tweet = toots.filter(function(toot) {
    return pad0(toot.id) > pad0(start)
  })
  PropertiesService.getUserProperties().setProperty('lastid', toots[0].id)
  tweet.reverse().forEach(function(t) {
    postUpdateStatus( t.url + '\n' + t.text.substr(0, 110))
  })
}