Twitter bot http://twitter.com/RegisteredAf

RegisteredAf.js

// Get a Wordnik API key: http://developer.wordnik.com/
var WORDNIK_API_KEY         = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
// Get a Twitter app key: https://apps.twitter.com/
var TWITTER_CONSUMER_KEY    = "YYYYYYYYYYYYYYYYYYYYYYYYYYYYY";
var TWITTER_CONSUMER_SECRET = "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ";
// Email to send errors to
var ERROR_EMAIL_ADDR        = "lingalls@gmail.com"

function Start() {
  // Delete exiting triggers, if any
  var triggers = ScriptApp.getProjectTriggers();
  for (var i = 0; i < triggers.length; i++) {
    ScriptApp.deleteTrigger(triggers[i]);
  }

  // Setup trigger to post a Tweet every hour.
  ScriptApp.newTrigger("RegisteredAf")
    .timeBased()
    .everyMinutes(10)
    .create();
}

// From https://github.com/googlesamples/apps-script-oauth1
function GetTwitterService() {
  // Create a new service with the given name. The name will be used when
  // persisting the authorized token, so ensure it is unique within the
  // scope of the property store.
  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(TWITTER_CONSUMER_KEY)
  .setConsumerSecret(TWITTER_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.getScriptProperties());
}

function TwitterFetch(url) {
  var twit = GetTwitterService();
  if (!twit.hasAccess()) {
    var authorization_url = twit.authorize();
    Logger.log("No Twitter access -- go to " + authorization_url + " to authorize");
    return;
  }
  return twit.fetch(url);
}
function TwitterPost(url, payload) {
  var twit = GetTwitterService();
  if (!twit.hasAccess()) {
    var authorization_url = twit.authorize();
    Logger.log("No Twitter access -- go to " + authorization_url + " to authorize");
    return;
  }
  return twit.fetch(url, {
    "method" : "post",
    "payload" : payload
  });
}

function AuthCallback(request) {
  var twit = GetTwitterService();
  if (twit.handleCallback(request)) {
    Logger.log('Success!');
  } else {
    Logger.log('Denied.');
  }
}

// Makes an HTTP request to the Wordnik API for a random word, given the part of speech
// Modified from: https://gist.github.com/scazon/a427f58974b6e7c80827
function RandomWord(part_of_speech){
  var content = UrlFetchApp.fetch(
    "http://api.wordnik.com/v4/words.json/randomWord?includePartOfSpeech=" +
    part_of_speech +
    "&minCorpusCount=8000&maxCorpusCount=-1&minDictionaryCount=8&" +
    "maxDictionaryCount=-1&minLength=4&maxLength=-1&api_key=" + 
    WORDNIK_API_KEY);
  var word = JSON.parse(content)["word"];
  //Logger.log("Got random word: " + word);
  return word;
}

function RandomDomain() {
  var adj = RandomWord("adjective");
  if (adj == "") {
    Logger.log("Couldn't get a random adjective.");
    return "";
  }
  return adj;
}

// Looks up the domain on whois.nic.af and returns either:
// "is available" with a link or "was registered on DATE"
// (or empty string if there's an error).
function LookupDomain(name) {
  var tries_left = 3;
  var content = "";
  var errors = "";
  while (tries_left-- > 0 && content == "") {
    try {
      content = UrlFetchApp.fetch("https://www.gandi.net/whois/details?search=" + name + ".af");
    } catch (e) {
      errors += "Error getting registration info: " + e + "\n";
    }
  }
  if (content == "") {
    MailApp.sendEmail(ERROR_EMAIL_ADDR, "RegisteredAf got no content from whois.nic.af", errors);
    return "";
  }
  var matches = /Creation Date: ([^T]*)/.exec(content);
  if (!matches) {
    var link = "https://www.gandi.net/domain/buy/result?domain_list=" + name + "&tld=af";
    return "is available\n\n" + link;
  }
  return "was registered on " + matches[1];
}

function RegisteredAf() {
  try {
    var name = RandomDomain();
    if (Math.random() > 0.1) {
      Logger.log("Not tweeting " + name + ".af");
      return;
    }
    var lookup = LookupDomain(name);
    var text = name + ".af";
    if (lookup != "") {
      text = text + " " + lookup;
    }
    
    Logger.log("Tweeting: '" + text + "'");
    
    // Post to twitter:
    if (text != "") {
      TwitterPost("https://api.twitter.com/1.1/statuses/update.json", {'status': text})
    }
  } catch (f) {
    Logger.log("Error: " + f);
  }
}