clandriot / jira-node-client

const requestify = require('requestify');

let getBaseUrl = (url) => {

  if (!url) {

    throw new Error('url not specified - can\'t get base url');

  }

  let index = url.indexOf('rest/');

  if (index === -1) {

    throw new Error('Invalid url (can\'t find \'rest/\' string) - can\'t get base url');

  }

  let baseUrl = url.substr(0, index + 5);

  return baseUrl;

};

let extractSessionCookie = (cookies, cookieName) => {

  if (!cookieName) {

    throw new Error('cookie name not specified - can\'t extract session cookie');

  }

  if (!cookies) {

    throw new Error('cookies not specified - can\'t extract session cookie');

  }

  if (!Array.isArray(cookies)) {

    throw new Error('cookies is not an array - can\'t extract session cookie');

  }

  try {

    var sessionCookie = cookies.find((cookie) => { // eslint-disable-line no-var

      let name = cookie.split('=')[0];

      let value = cookie.split('=')[1].split(';')[0];

      return ((name === cookieName) && (value != '""'));

    }).split(';')[0];

  } catch (error) {

    throw new Error('cookie name not found in cookies - can\'t extract session cookie');

  }

  return sessionCookie;

};

module.exports = {

  login: (userName, password, url) => new Promise((resolve, reject) => {

    try {

      let loginUrl = getBaseUrl(url) + 'auth/1/session';

      let body = {'username': userName, 'password': password};

      let options = {

        cache: {

          cache: false,

        },

      };

      requestify.post(loginUrl, body, options)

        .then((response) => {

          resolve(extractSessionCookie(response.headers['set-cookie'], JSON.parse(response.body).session.name));

        })

        .catch((error) => {

          reject(new Error('Can\'t get cookie [' + error.message + ']'));

        });

    } catch (error) {

      reject(new Error('Can\'t get cookie [' + error.message + ']'));

    }

  }),

  getHeader: (sessionCookie) => {

    return {'cookie': sessionCookie, 'Cache-Control': 'public, max-age=60'};

  },

};