Gruntfile.js

module.exports = function(grunt){

  var $request    = require('request-promise');
  var $q          = require('q');

  var API_URL = 'http://api.giphy.com/v1/gifs/random?api_key=dc6zaTOxFJmzC';
  var USER_AGENT = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.116 Safari/537.36';

  var USER_ACCOUNT = {
    'username': '*****',
    'password': '*****'
  };


  function _login() {
    return $request({
      'method': 'POST',
      'uri': 'http://board.es.aion.gameforge.com/index.php?form=UserLogin',
      'headers': {
        'user-agent': USER_AGENT
      },
      'form': {
        'loginForm': 'loginForm',
        'username': USER_ACCOUNT['username'],
        'password': USER_ACCOUNT['password'],
      },
      'resolveWithFullResponse': true
    }).then(function(response){
      grunt.file.write('login.json', JSON.stringify(response, null, ' '));
      grunt.file.write('login.html', response.body);
      if(response['headers']['set-cookie']) {
        return  response['headers']['set-cookie'][0].split(';')[0];
      } else {
        return null;
      }
    });
  }

  //Posts the image
  function _postImage(cookie, gif){
    return $request({
      'method': 'POST',
      'uri': 'http://board.es.aion.gameforge.com/index.php?form=PostAdd&threadID=7647',
      'headers': {
        'user-agent': USER_AGENT,
        'cookie': cookie,
      },
      'form': {
        'subject': '',
        'text': '[img]' + gif + '[/gif]\nAutomatic post ^^',
        'mce_editor_0_fontNameSelect': '',
        'mce_editor_0_fontSizeSelect': 0,
        'wysiwygEditorHeight': 343,
        'wysiwygEditorMode': 0,
        'parseURL': 1,
        'enableSmilies': 1,
        'enableBBCodes': 1,
        'showSignature': 1,
        'subscription': 1,
        'hideEditNote': 1,
        'upload': [],
        'memoID': 18,
        'activeTab': 'smilies',
        'send': 'Submit'
      },
      'resolveWithFullResponse': true
    }).then(function(fullResponse){
      grunt.file.write('output.json', JSON.stringify(fullResponse, null, ' '));
    }).catch(function(error){
      grunt.file.write('output.json', JSON.stringify(error, null, ' '));
      grunt.file.write('output.html', error.response.body);
    });
  }

  //Retrieves a random gif
  function _getRandomGif() {
    return $request({
      'method': 'GET',
      'uri': API_URL,
      'json': true
    }).then(function(response){
      return response.data['image_url'];
    });
  }


  grunt.registerTask('default', 'task when u type just grunt', function(){
    var done = this.async();

    var $$q = _login();

    $$q = $$q.then(function(cookie) {
      return _getRandomGif().then(function(gif) {
        return {
          'cookie': cookie,
          'gif': gif
        };
      });
    });


    $$q = $$q.then(function(data){
      grunt.log.ok('posting image, %s', data.cookie);
      return _postImage(data.cookie, data.gif);
    });

    $$q.finally(done);

  });
};