freeplanet_serverside/src/server/tools/general.js

const os = require("os");

const fs = require('fs');

require('../config/config');

require('../models/subscribers');

const CryptoJS = require('crypto-js');

const Url = require('url-parse');

const { ObjectID } = require('mongodb');

const shared_consts = require('../tools/shared_nodejs');

const mongoose = require('mongoose');
const Subscription = mongoose.model('subscribers');

const server_constants = require('./server_constants');

// SETTINGS WebPush Configuration
const webpush = require('web-push');

const subject = process.env.URLBASE_APP1;
const publicVapidKey = process.env.PUBLIC_VAPI_KEY;
const privateVapidKey = process.env.PRIVATE_VAPI_KEY;

// Code goes here
const keySize = 256;
const ivSize = 128;
const iterations = 100;

if (process.env.GCM_API_KEY !== "")
  webpush.setGCMAPIKey(process.env.GCM_API_KEY);

webpush.setVapidDetails(subject, publicVapidKey, privateVapidKey);
// console.log('setVapidDetails... config...');


// To Translate!
textlang = {
  it: {
    "L'Email è già stata Verificata": "L'Email è già stata Verificata",
    "Nuova Registrazione": "Nuova Registrazione",
    "Effettuata una Nuova Registrazione": "Effettuata una Nuova Registrazione",
    "partecipanti": "partecipanti",
    'TESTO_ASSISTENZA': "Per entrare nel Sito AYNI:\nhttps://ayni.gifteconomy.app\n\nHai dimenticato la Password per accedere al sito?\nhttps://ayni.gifteconomy.app/requestresetpwd\n\nChat AYNI BOT (questa):\nhttps://t.me/notevoleaynibot\n\nChat AYNI-BiblioBacheca: https://t.me/joinchat/AL2qKExZKvenLgpVhOyefQ \n\nChat di Aiuto e Supporto: 'AYNI Help & Support'\nhttps://t.me/joinchat/C741mlVmB_RMcOUpNqWC8w\n1 - Poni il tuo quesito, chiedi assistenza.\n2 - Terminata l\'assistenza, uscirete da quella Chat.\nPotrete rientrare tutte le volte che ce ne sia necessità.",
    'BENVENUTO': "Benvenuto",
    'EMAIL_VERIF': "Email Verificata",
    'EMAIL_NON_VERIF': "Email Non Verificata\nleggi la tua casella email e trova **\"Confermare la Registrazione a Ayni\"**<br>e clicca sul bottone **\"Verifica Registrazione\"**",
    'TELEGRAM_NOT_CONNECTED': "Telegram non associato al tuo account!",
    'NESSUN_INVITATO': 'Non hai invitato nessuno',
    'ZOOM_PARTECIPATO': 'Partecipazione ad almeno 1 Conferenza (Zoom)',
    'SCRITTO_SOGNO': 'Hai scritto il tuo Sogno',
    'INVITATI': 'persone registrate che hai invitato',
    'NONREG': 'Invitati non Registrati',
  },
  es: {
    "L'Email è già stata Verificata": "L'Email è già stata Verificata",
    "Nuova Registrazione": "Nuevo Registro",
    "Effettuata una Nuova Registrazione": "Se ha realizado un nuevo registro",
    "partecipanti": "participantes",

    'TESTO_ASSISTENZA': "Per entrare nel Sito AYNI:\nhttps://ayni.gifteconomy.app\n\nHai dimenticato la Password per accedere al sito?\nhttps://ayni.gifteconomy.app/requestresetpwd\n\nChat AYNI BOT (questa):\nhttps://t.me/notevoleaynibot\n\nChat AYNI-BiblioBacheca: https://t.me/joinchat/AL2qKExZKvenLgpVhOyefQ \n\nChat di Aiuto e Supporto: 'AYNI Help & Support'\nhttps://t.me/joinchat/C741mlVmB_RMcOUpNqWC8w\n1 - Poni il tuo quesito, chiedi assistenza.\n2 - Terminata l\'assistenza, uscirete da quella Chat.\nPotrete rientrare tutte le volte che ce ne sia necessità.",
    'BENVENUTO': "Benvenuto",
    'EMAIL_VERIF': "Email Verificata",
    'EMAIL_NON_VERIF': "Email Non Verificata\nleggi la tua casella email e trova **\"Confermare la Registrazione a Ayni\"**<br>e clicca sul bottone **\"Verifica Registrazione\"**",
    'TELEGRAM_NOT_CONNECTED': "Telegram non associato al tuo account!",
    'NESSUN_INVITATO': 'Non hai invitato nessuno',
    'ZOOM_PARTECIPATO': 'Partecipazione ad almeno 1 Conferenza (Zoom)',
    'SCRITTO_SOGNO': 'Hai scritto il tuo Sogno',
    'INVITATI': 'persone registrate che hai invitato',
    'NONREG': 'Invitati non Registrati',
  },
  us: {
    "partecipanti": "participants",
    'TESTO_ASSISTENZA': "Per entrare nel Sito AYNI:\nhttps://ayni.gifteconomy.app\n\nHai dimenticato la Password per accedere al sito?\nhttps://ayni.gifteconomy.app/requestresetpwd\n\nChat AYNI BOT (questa):\nhttps://t.me/notevoleaynibot\n\nChat AYNI-BiblioBacheca: https://t.me/joinchat/AL2qKExZKvenLgpVhOyefQ \n\nChat di Aiuto e Supporto: 'AYNI Help & Support'\nhttps://t.me/joinchat/C741mlVmB_RMcOUpNqWC8w\n1 - Poni il tuo quesito, chiedi assistenza.\n2 - Terminata l\'assistenza, uscirete da quella Chat.\nPotrete rientrare tutte le volte che ce ne sia necessità.",
    'BENVENUTO': "Benvenuto",
    'EMAIL_VERIF': "Email Verificata",
    'EMAIL_NON_VERIF': "Email Non Verificata\nleggi la tua casella email e trova **\"Confermare la Registrazione a Ayni\"**<br>e clicca sul bottone **\"Verifica Registrazione\"**",
    'TELEGRAM_NOT_CONNECTED': "Telegram non associato al tuo account!",
    'NESSUN_INVITATO': 'Non hai invitato nessuno',
    'ZOOM_PARTECIPATO': 'Partecipazione ad almeno 1 Conferenza (Zoom)',
    'SCRITTO_SOGNO': 'Hai scritto il tuo Sogno',
    'INVITATI': 'persone registrate che hai invitato',
    'NONREG': 'Invitati non Registrati',
  }
};


module.exports = {
  INITDB_FIRSTIME: true,

  LANGADMIN: 'it',

  APORTADOR_NONE: '------',

  TYPE_PROJECT: 1,
  TYPE_TODO: 2,

  FieldType: {
    boolean: 1,
    date: 2,
    string: 4,
    binary: 8,
    html: 16,
    select: 32,
    number: 64,
    typeinrec: 128,
    multiselect: 256,
    password: 512,
    listimages: 1024,
  },

  MAX_PHASES: 5,
  FIRST_PROJ: '__PROJECTS',
  EXECUTE_CALCPROJ: true,

  gettranslate(text, lang) {
    try {
      return textlang[lang][text]
    } catch (e) {
      return textlang['it'][text]
    }
  },

  get__(text, msg) {
    let lang = 'it';
    if (msg)
      lang = msg.from.language_code;
    try {
      return textlang[lang][text]
    } catch (e) {
      return textlang['it'][text]
    }
  },

  getres__(text, res) {
    // ++Todo: res estrarre la lingua
    let lang = 'it';
    try {
      return textlang[lang][text]
    } catch (e) {
      return textlang['it'][text]
    }
  },

  getHostname: function () {
    return os.hostname()
  },
  testing: function () {
    return (process.env.TESTING_ON === '1')
  },

  mylog: function (...args) {
    if (!this.testing())
      console.log(args)
  },

  mylogoff: function (...args) {
    // doing nothing
  },

  mylogshow: function (...args) {
    console.log(args)
  },

  mylogserr: function (...args) {
    console.error(args)
  },

  allfieldSendMsg: function () {
    return ['userId', 'source', 'dest', 'message', 'datemsg', 'read', 'deleted', 'origin', 'idapp', 'status', 'options']
  },

  allfieldTodo: function () {
    return ['userId', 'pos', 'category', 'descr', 'priority', 'statustodo', 'created_at', 'modify_at',
      'completed_at', 'expiring_at', 'enableExpiring', 'id_prev', 'progress', 'modified', 'phase', 'assigned_to_userId', 'hoursplanned', 'hoursworked', 'start_date', 'themecolor', 'themebgcolor']
  },

  allfieldMyEvent: function () {
    return ['userId',]
  },

  allfieldTodoWithId: function () {
    return ['_id', ...this.allfieldTodo()]
  },

  // #TODO Projects++ Add fields ...
  allfieldProject: function () {
    return ['userId', 'pos', 'typeproj', 'id_main_project', 'id_parent', 'descr', 'longdescr', 'hoursplanned', 'hoursleft', 'themecolor', 'themebgcolor', 'hoursworked', 'priority', 'statusproj', 'created_at', 'modify_at',
      'completed_at', 'expiring_at', 'enableExpiring', 'id_prev', 'progressCalc', 'modified', 'live_url', 'test_url', 'begin_development', 'begin_test', 'totalphases', 'actualphase', 'hoursweeky_plannedtowork', 'endwork_estimate'
      , 'privacyread', 'privacywrite']
  },

  allfieldBooking: function () {
    return ['idapp', 'userId', 'id_bookedevent', 'numpeople', 'msgbooking', 'modified', 'infoevent', 'datebooked', 'booked']
  },

  allfieldBookingChange: function () {
    return ['numpeople', 'msgbooking', 'modified', 'infoevent', 'datebooked', 'booked']
  },

  allfieldProjectWithId: function () {
    return ['_id', ...this.allfieldProject()]
  },

  jsonCopy(src) {
    return JSON.parse(JSON.stringify(src))
  },

  CloneRecordToNew(src) {
    const myrec = Object.assign({}, src);
    delete myrec._doc['_id'];
    myrec._id = new ObjectID();

    return myrec._doc
  },

  sendBackNotif: function (subscription, payload) {

    console.log('sendBackNotif:', subscription, payload);
    // Pass object into sendNotification
    webpush.sendNotification(subscription, JSON.stringify(payload)).catch(err => console.error(err))
      .catch(err => {
        if (err.statusCode === 410) {
          // Gone: is not valid anymore (Expired probably!), so I have to delete from my db
          return Subscription.findOneAndRemove({ _id: subscription._id })
        } else {
          console.log('Subscription is no longer valid: ', err);
        }
      })
  },

  sendNotificationToUser: function (userId, title, content, openUrl, tag) {

    let payload = {
      title: title,
      message: content,
      url: openUrl,
      tag,
      // ttl: req.body.ttl,
      // icon: req.body.icon,
      // image: req.body.image,
      // badge: req.body.badge,
      // tag: req.body.tag
    };

    return Subscription.find({ userId }, (err, subscriptions) => {
      if (err) {
        console.error(`Error occurred while getting subscriptions`);
        res.status(500).json({
          error: 'Technical error occurred'
        });
        return false;
      } else {
        let conta = 0;
        let parallelSubscriptionCalls = subscriptions.map((subscription) => {
          const trovati = subscriptions.length;
          return new Promise((resolve, reject) => {
            const pushSubscription = {
              endpoint: subscription.endpoint,
              keys: {
                p256dh: subscription.keys.p256dh,
                auth: subscription.keys.auth
              }
            };

            conta++;


            const parse = require('url-parse');
            const parsedUrl = parse(subscription.endpoint);
            const audience = parsedUrl.protocol + '//' + parsedUrl.hostname;

            const vapidHeaders = webpush.getVapidHeaders(
              audience,
              process.env.URLBASE_APP1,
              process.env.PUBLIC_VAPI_KEY,
              process.env.PRIVATE_VAPI_KEY,
              'aes128gcm'
            );

            const pushOptions = {
              vapidDetails: {
                subject: process.env.URLBASE_APP1,
                privateKey: process.env.PRIVATE_VAPI_KEY,
                publicKey: process.env.PUBLIC_VAPI_KEY,
              },
              TTL: payload.ttl,
              headers: vapidHeaders
            };

            console.log('************  INVIO WEBPUSH.SENDNOTIFICATION N° ', conta, '/', trovati, 'A', subscription.browser);
            // console.log('vapidDetails', pushOptions.vapidDetails);

            payload.title = process.env.URLBASE_APP1 + ' Msg n° ' + conta + '/' + trovati;
            // payload.message += subscription.browser ;

            const pushPayload = JSON.stringify(payload);

            // console.log('A1) SUBS: pushSubscription', pushSubscription);
            // console.log('A2) OPZIONI: pushOptions', pushOptions);
            // console.log('A3) MSG_TO_SEND: pushPayload', pushPayload);

            webpush.sendNotification(
              pushSubscription,
              pushPayload,
              // pushOptions
            ).then((value) => {
              resolve({
                status: true,
                endpoint: subscription.endpoint,
                data: value
              });
            }).catch((err) => {
              reject({
                status: false,
                endpoint: subscription.endpoint,
                data: err
              });
            });
          }).catch(error => {
            console.log('ERROR: sendNotificationToUser', error.data.body)
          });
        });
        // q.allSettled(parallelSubscriptionCalls).then((pushResults) => {
        //   console.info(pushResults);
        // });
        // res.json({
        //   data: 'Push triggered'
        // });
        return true;
      }
    });

  },
  // **********************
  // SORT WITH PREV_ID
  // **********************
  mapSort: function (linkedList) {
    let sortedList = [];
    let remainingList = [];
    var map = new Map();
    var currentId = null;

    // console.log('linkedList', linkedList);

    // index the linked list by previous_item_id
    for (var i = 0; i < linkedList.length; i++) {
      var item = linkedList[i];
      if (item.id_prev === server_constants.LIST_START) {
        // first item
        currentId = String(item._id);
        // console.log('currentId', currentId);
        sortedList.push(item);
      } else {
        map.set(String(item.id_prev), i);
      }
    }

    let conta = 0;
    while (conta < linkedList.length) {
      // get the item with a previous item ID referencing the current item
      var nextItem = linkedList[map.get(currentId)];
      if (nextItem === undefined) {

      } else {
        sortedList.push(nextItem);
        currentId = String(nextItem._id);
      }
      conta++;
    }

    if (linkedList.length > sortedList.length) {
      // If are not in the list, I'll put at the bottom of the list
      // console.log('ATTENZIONE !!! ', sortedList.length, linkedList.length);
      for (const itemlinked of linkedList) {
        const elemtrov = sortedList.find((item) => item._id === itemlinked._id);
        if (elemtrov === undefined) {
          sortedList.push(itemlinked);
        }
      }
    }

    // console.log('DOPO sortedList', sortedList);

    return sortedList;
  },

  checkUserOk(userpassed, userauth, res) {
    this.mylog('checkUserOk', userpassed, userauth);
    if (String(userpassed) !== String(userauth)) {
      // I'm trying to write something not mine!
      this.mylog('userId = ', userpassed, 'req.user._id', userauth);
      return { exit: true, ret: res.status(404).send({ code: server_constants.RIS_CODE_TODO_CREATING_NOTMYUSER }) }
    } else {
      return { exit: false, ret: false }
    }

  },

  convertHTMLtoText(myhtml) {
    let msg = myhtml;
    msg = msg.replace('&quot;', '"');
    msg = msg.replace('&gt;', '>');
    msg = msg.replace('&lt;', '<');
    msg = msg.replace('&amp;', '&');
    msg = msg.replace('<br>', '\n');

    return msg
  },

  convertTexttoHtml(myhtml) {
    // let msg = myhtml;
    // msg = msg.replace('\n', '<br>');

    // return msg

    return myhtml;
  },

  removeSpecialCharForEmail(myhtml) {
    let msg = myhtml;
    msg = msg.replace(/"/g, '\'');

    return msg
  },

  getNomeAppByIdApp: function (idapp) {

    const myapp =
      MYAPPS.find(item => item.idapp === idapp);
    if (myapp)
      return myapp.name;
    else
      return '';
  },

  getHostByIdApp: function (idapp) {

    const myapp =
      MYAPPS.find(item => item.idapp === idapp);
    if (myapp) {
      let siteport = (myapp.portapp !== "0") ? (':' + myapp.portapp) : "";

      return myapp.host + siteport;
    } else
      return '';
  },

  getdirByIdApp: function (idapp) {

    const myapp =
      MYAPPS.find(item => item.idapp === idapp);
    if (myapp) {
      return myapp.dir;
    } else
      return '';
  },

  getAdminEmailByIdApp: function (idapp) {
    const myapp = MYAPPS.find((item) => item.idapp === idapp);
    if (myapp)
      return myapp.adminemail;
    else
      return '';
  },

  getreplyToEmailByIdApp: function (idapp) {
    const myapp = MYAPPS.find((item) => item.idapp === idapp);
    if (myapp)
      return myapp.replyTo;
    else
      return '';
  },

  isManagAndAdminDifferent(idapp) {
    const manag = this.getManagerEmailByIdApp(idapp);
    return (manag !== this.getAdminEmailByIdApp(idapp)) && (manag !== '');
  },

  getManagerEmailByIdApp: function (idapp) {
    const myapp = MYAPPS.find((item) => item.idapp === idapp);
    if (myapp)
      return myapp.manageremail;
    else
      return '';
  },

  getEmailByIdApp: function (idapp) {
    const myapp = MYAPPS.find((item) => item.idapp === idapp);
    return (myapp) ? myapp.email_from : ''
  },

  getPwdByIdApp: function (idapp) {
    const myapp = MYAPPS.find((item) => item.idapp === idapp);
    return (myapp) ? this.decryptdata(myapp.email_pwd) : ''
  },

  getTelegramBotNameByIdApp: function (idapp) {
    const myapp = MYAPPS.find((item) => item.idapp === idapp);
    return (myapp) ? myapp.telegram_bot_name : ''
  },

  getTelegramKeyByIdApp: function (idapp) {
    const myapp = MYAPPS.find((item) => item.idapp === idapp);
    return (myapp) ? myapp.telegram_key : ''
  },

  getQueryTable(idapp, params) {
    // console.log('idapp', idapp);
    // console.table(params);

    if (typeof params.startRow !== 'number') {
      throw new Error('startRow must be number')
    } else if (typeof params.endRow !== 'number') {
      throw new Error('endRow must be number')
    }

    let query = [];
    if (params.filter && params.fieldsearch) {
      let myregexp = {};
      myregexp = new RegExp(params.filter.trim().replace(' ', '|'), "ig");

      const myfilters = [];
      params.fieldsearch.forEach((field) => {
        const data = {};
        data[field] = myregexp;
        myfilters.push(data);
      });

      query = [
        { $match: { $or: myfilters } },
      ]
    }

    let filtriadded = [];

    // if (params.table === 'extralist') {
    //   if (params.filterand.includes(shared_consts.FILTER_EXTRALIST_DELETED))
    //     filtriadded.push({ deleted: true });
    //   else
    //     filtriadded.push({ deleted: { $exists: false } });
    // }

    if (params.filterand) {

      if (params.filterand.includes(shared_consts.FILTER_EXTRALIST_NOT_REGISTERED))
        filtriadded.push({ registered: false });

      if (params.filterand.includes(shared_consts.FILTER_EXTRALIST_NOT_CONTACTED)) {
        filtriadded.push({ contacted: { $exists: false } });
      }
      if (params.filterand.includes(shared_consts.FILTER_EXTRALIST_WITH_NOTE))
        filtriadded.push({
          'note': { $exists: true },
          "$expr": { "$gt": [{ "$strLenCP": "$note" }, 1] }
        });
      if (params.filterand.includes(shared_consts.FILTER_USER_NO_ZOOM))
        filtriadded.push({ 'profile.saw_zoom_presentation': false });
      if (params.filterand.includes(shared_consts.FILTER_USER_NO_INVITANTE))
        filtriadded.push({
          aportador_solidario: { $exists: false }
        });
      if (params.filterand.includes(shared_consts.FILTER_USER_NO_TELEGRAM_ID))
        filtriadded.push({ 'profile.teleg_id': { $lt: 1 } });
      if (params.filterand.includes(shared_consts.FILTER_USER_CODICE_AUTH_TELEGRAM))
        filtriadded.push({ 'profile.teleg_checkcode': { $gt: 1 } });
      if (params.filterand.includes(shared_consts.FILTER_USER_NO_EMAIL_VERIFICATA))
        filtriadded.push({ verified_email: false });
      if (params.filterand.includes(shared_consts.FILTER_USER_NO_DREAM))
        filtriadded.push({
          'profile.my_dream': {
            $exists: false
          }
        });

    }


    if (filtriadded.length > 0)
      query.push({ $match: { $and: filtriadded } });

    if (idapp > 0) {
      query.push({ $match: { idapp } });
    }

    // console.log('QUERYMATCH', query[0].$match.or);
    // console.log('filter', params.filter);

    if (params.sortBy) {
      // maybe we want to sort by blog title or something
      const mysort = { $sort: params.sortBy };
      // console.log('sortBy', params.sortBy);
      // console.table(mysort);
      query.push(mysort)
    }

    let numrowend = params.endRow - params.startRow;
    if (numrowend < 0)
      numrowend = 1;

    query.push(
      {
        $group: {
          _id: null,
          // get a count of every result that matches until now
          count: { $sum: 1 },
          // keep our results for the next operation
          results: { $push: '$$ROOT' }
        }
      },
      // and finally trim the results to within the range given by start/endRow
      {
        $project: {
          count: 1,
          rows: { $slice: ['$results', params.startRow, numrowend] }
        }
      }
    );

    // console.log('query', query);

    return query;

  },

  executeQueryTable(mythistable, idapp, params) {
    let query = this.getQueryTable(idapp, params);

    return mythistable
      .aggregate(query)
      .then(([ris]) => {
        if (ris) {
          // console.table(ris.rows);
          // console.log('ROW ', ris.count);
          return ({ count: ris.count, rows: ris.rows })
        } else {
          return ({ count: 0, rows: [] })
        }
      })
      .catch(err => {
        console.error(err);
        return {
          count: 0, rows: []
        }
      });

  },
  async DuplicateAllRecords(mythistable, idapporig, idappdest) {
    console.log(mythistable.name);

    const numrec = await mythistable.findAllIdApp(idappdest).then((arrrec) => {
      if (arrrec && arrrec.length > 1) {
        return arrrec.length; // Has Already set
      } else {
        return 0;
      }
    });

    // Before check if exist more than 1 record in the destination,
    // if Yes don't copy
    if (numrec <= 0) {
      return await mythistable.findAllIdApp(idapporig).then(async (arrrec) => {
        let num = 0;

        for (let ind = 0; ind < arrrec.length; ind++) {
          let newrec = new mythistable(arrrec[ind]._doc);
          newrec._id = new ObjectID();
          newrec.idapp = idappdest;

          await newrec.save((err, rec) => {
            if (rec) {
              num++;
            }

          });

        }
        return num;
      });
    }
  },


  isBitActive(bit, whattofind) {
    return ((bit & whattofind) === whattofind)
  },

  SetBit(myval, bit) {
    myval = myval & bit;
    return myval
  },

  snooze(ms) {
    return new Promise(resolve => setTimeout(resolve, ms));
  },

  IncDateNow(secs) {
    let mydate = new Date(new Date().getTime() + secs);
    // console.log('mydate', mydate);
    return mydate
  },

  appendLeadingZeroes(n) {
    if (n <= 9) {
      return "0" + n;
    }
    return n
  },

  getWeekDay(date) {
    //Create an array containing each day, starting with Sunday.
    const weekdays = [
      "Domenica", "Lunedì", "Martedì", "Mercoledì", "Giovedí", "Venerdì", "Sabato"
    ];
    //Use the getDay() method to get the day.
    const day = date.getDay();
    //Return the element that corresponds to that index.
    return weekdays[day];
  },

  getstrDateTimeShort(mydate) {
    // console.log('getstrDate', mytimestamp)
    return this.getWeekDay(mydate) + ' ' + this.appendLeadingZeroes(mydate.getDate()) + '/' + this.appendLeadingZeroes(mydate.getMonth() + 1) + ' ORE ' + this.appendLeadingZeroes(mydate.getHours()) + ':' + this.appendLeadingZeroes(mydate.getMinutes());
  },

  getlinkzoom(idconf) {
    return 'https://zoom.us/j/' + idconf
  },

  getmd5(mystr) {
    return CryptoJS.MD5(mystr.toLowerCase()).toString();
  },

  getHash(mystr) {
    return CryptoJS.SHA512(mystr, { outputLength: 256 }).toString();
  },

  encrypt(msg, pass) {
    var salt = CryptoJS.lib.WordArray.random(128 / 8);

    var key = CryptoJS.PBKDF2(pass, salt, {
      keySize: keySize / 32,
      iterations: iterations
    });

    var iv = CryptoJS.lib.WordArray.random(128 / 8);

    var encrypted = CryptoJS.AES.encrypt(msg, key, {
      iv: iv,
      padding: CryptoJS.pad.Pkcs7,
      mode: CryptoJS.mode.CBC

    });

    // salt, iv will be hex 32 in length
    // append them to the ciphertext for use  in decryption
    var transitmessage = salt.toString() + iv.toString() + encrypted.toString();
    return transitmessage;
  },

  decrypt(transitmessage, pass) {
    var salt = CryptoJS.enc.Hex.parse(transitmessage.substr(0, 32));
    var iv = CryptoJS.enc.Hex.parse(transitmessage.substr(32, 32))
    var encrypted = transitmessage.substring(64);

    var key = CryptoJS.PBKDF2(pass, salt, {
      keySize: keySize / 32,
      iterations: iterations
    });

    var decrypted = CryptoJS.AES.decrypt(encrypted, key, {
      iv: iv,
      padding: CryptoJS.pad.Pkcs7,
      mode: CryptoJS.mode.CBC

    });
    return decrypted;
  },

  cryptdata(mydata) {
    // Encrypt
    //return CryptoJS.AES.encrypt(JSON.stringify(mydata), process.env.SECRK);
    return this.encrypt(mydata, process.env.SECRK);
  },


  decryptdata(mydatacrypted) {
    // Decrypt
    // const bytes = CryptoJS.AES.decrypt(mydatacrypted.toString(), process.env.SECRK);
    // return JSON.parse(bytes.toString(CryptoJS.enc.Utf8));
    return this.decrypt(mydatacrypted, process.env.SECRK).toString(CryptoJS.enc.Utf8);
  },

  BoolToInt(mybool) {
    return (mybool) ? -1 : 0
  },

  StrToBool(mystr) {
    return (mystr === '-1') ? true : false
  },
  move(oldPath, newPath, callback) {

    fs.rename(oldPath, newPath, function (err) {
      if (err) {
        if (err.code === 'EXDEV') {
          copy();
        } else {
          callback(err);
        }
        return;
      }
      callback();
    });

    function copy() {
      const readStream = fs.createReadStream(oldPath);
      const writeStream = fs.createWriteStream(newPath);

      readStream.on('error', callback);
      writeStream.on('error', callback);

      readStream.on('close', function () {
        fs.unlink(oldPath, callback);
      });

      readStream.pipe(writeStream);
    }
  },

  delete(path, callback) {

    fs.unlink(path, function (err) {
      if (err) {
        console.error(err);
        callback(err);
        return
      }
      callback();
    });
  },

  mkdirpath(dirPath) {
    // if (!fs.accessSync(dirPath, fs.constants.R_OK | fs.constants.W_OK)) {
    if (!fs.existsSync(dirPath)) {
      try {
        fs.mkdirSync(dirPath, { recursive: true });
      }
      catch (e) {
        mkdirpath(path.dirname(dirPath));
        mkdirpath(dirPath);
      }
    }
  },

  extractNameAndSurnameByComplete(name_complete) {
    const suffissoCognome = ['Del', 'La', 'De', 'Lo'];

    let campi = name_complete.split(" ");
    let namesurname = {
      name: '',
      surname: '',
    };

    if (campi.length === 2) {
      namesurname.name = campi[0];
      namesurname.surname = campi[1];
    } else if (campi.length === 3) {
      if (suffissoCognome.includes(campi[1])) {
        namesurname.name = campi[0];
        namesurname.surname = campi[1] + " " + campi[2];
      } else {
        namesurname.name = campi[0] + " " + campi[1];
        namesurname.surname = campi[2];
      }
    } else if (campi.length === 4) {
      namesurname.name = campi[0] + " " + campi[1];
      namesurname.surname = campi[2] + " " + campi[3];
    } else if (campi.length > 4) {
      namesurname.name = campi[0] + " " + campi[1];
      namesurname.surname = " " + campi[2];
      for (let ind = 3; ind < campi.length; ind++) {
        namesurname.surname += " " + campi[ind];
      }
    }

    return namesurname
  },

  getiPAddressUser(req) {
    try {
      const striniziale = '::ffff:';
      if (req.ip.indexOf(striniziale) >= 0) {
        return req.ip.substring(striniziale.length)
      } else {
        return req.ip;  // Express
      }

    } catch (e) {
      return ''
    }
  },
  removespaces(mystr) {
    return mystr.replace(/\s+/g, '')
  },


};