@arca/cli/src/main.js

CLI for Arca

#! /usr/bin/env node
let program = require('commander');
let package = require('../package.json');
let co = require('co');
let prompt = require('co-prompt');
let fs = require('fs');
let request = require('request');

let url = "http://localhost:8000";
let data_directory = process.env.HOME + "/.arca";

// Set the headers
let headers = {
    'User-Agent':       "Arca/"+package.version,
    'Content-Type':     'application/json'
}

let config = {
  'token': null
}

// try to populate the user dictionary from the file stored on disk
try {
  config_json = fs.readFileSync(data_directory + '/config.json', 'utf8');
  config =  JSON.parse(config_json);
} catch (err) {
  // Not logged in - dont do anything about it (yet)
}

function login() {
  co(function *() {
    console.log('Enter the username and password for Arca')
    let username = yield prompt('username: ');
    let password = yield prompt.password('password: ');
    // Create home folder for Arca, if it doesn't exist
    if (!fs.existsSync(data_directory)){
      fs.mkdirSync(data_directory);
    }
    // Try to obtain the auth token
    let options = {
      url: url + '/api/users/token/',
      method: 'POST',
      headers: headers,
      form: {'username': username, "password": password}
    }
    // Fire off the post request to obtain a token
    request(options, function (error, response, body) {
      if (!error && response.statusCode == 200) {
        // All okay, so extract the token and store it in the arca folder
        let json_body = JSON.parse(body);
        config.token = json_body.token;
        fs.writeFileSync(data_directory + '/config.json', JSON.stringify(config), 'utf8');
      } else if (response.statusCode == 401 ) {
        console.log("Username or password incorrect");
      } else {
        console.log("An unknown error occured:");
        console.log(body);
      }
    })
  });
}

function logout() {
  console.log('::logout');
}

function list() {
  if ( config.token == null ) {
    console.log("You are not logged in - please login with 'arca login'");
    process.exit(-1);
  }
  console.log("Listing applications");
}

program
  .version(package.version, "-v, --version")
  .description('Inspect your Arca apps. For more information, go to https://arca.dk')
program
  .command('login')
  .description('login to Arca')
  .action(login);
program
  .command('list')
  .description('list your application')
  .action(list);
program
  .command('logout')
  .description('remove authentication tokens from this host')
  .action(logout);

options = program.parse(process.argv);
// Display help, if no options specified
if (!options.args.length) program.help();