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'use strict';
// @ts-check
// ==================================================================================
// osinfo.js
// ----------------------------------------------------------------------------------
// Description:   System Information - library
//                for Node.js
// Copyright:     (c) 2014 - 2025
// Author:        Sebastian Hildebrandt
// ----------------------------------------------------------------------------------
// License:       MIT
// ==================================================================================
// 3. Operating System
// ----------------------------------------------------------------------------------

const os = require('os');
const fs = require('fs');
const util = require('./util');
const exec = require('child_process').exec;
const execSync = require('child_process').execSync;

let _platform = process.platform;

const _linux = (_platform === 'linux' || _platform === 'android');
const _darwin = (_platform === 'darwin');
const _windows = (_platform === 'win32');
const _freebsd = (_platform === 'freebsd');
const _openbsd = (_platform === 'openbsd');
const _netbsd = (_platform === 'netbsd');
const _sunos = (_platform === 'sunos');

// --------------------------
// Get current time and OS uptime

function time() {
  let t = new Date().toString().split(' ');
  const result = {
    current: Date.now(),
    uptime: os.uptime(),
    timezone: (t.length >= 7) ? t[5] : '',
    timezoneName: Intl ? Intl.DateTimeFormat().resolvedOptions().timeZone : (t.length >= 7) ? t.slice(6).join(' ').replace(/\(/g, '').replace(/\)/g, '') : ''
  };
  if (_darwin || _linux) {
    try {
      const stdout = execSync('date +%Z && date +%z && ls -l /etc/localtime 2>/dev/null', util.execOptsLinux);
      const lines = stdout.toString().split(os.EOL);
      if (lines.length > 3 && !lines[0]) {
        lines.shift();
      }
      let timezone = lines[0] || '';
      if (timezone.startsWith('+') || timezone.startsWith('-')) {
        timezone = 'GMT';
      }
      return {
        current: Date.now(),
        uptime: os.uptime(),
        timezone: lines[1] ? timezone + lines[1] : timezone,
        timezoneName: lines[2] && lines[2].indexOf('/zoneinfo/') > 0 ? (lines[2].split('/zoneinfo/')[1] || '') : ''
      };
    } catch (e) {
      util.noop();
    }
  }
  return result;
}

exports.time = time;

// --------------------------
// Get logo filename of OS distribution

function getLogoFile(distro) {
  distro = distro || '';
  distro = distro.toLowerCase();
  let result = _platform;
  if (_windows) {
    result = 'windows';
  }
  else if (distro.indexOf('mac os') !== -1 || distro.indexOf('macos') !== -1) {
    result = 'apple';
  }
  else if (distro.indexOf('arch') !== -1) {
    result = 'arch';
  }
  else if (distro.indexOf('cachy') !== -1) {
    result = 'cachy';
  }
  else if (distro.indexOf('centos') !== -1) {
    result = 'centos';
  }
  else if (distro.indexOf('coreos') !== -1) {
    result = 'coreos';
  }
  else if (distro.indexOf('debian') !== -1) {
    result = 'debian';
  }
  else if (distro.indexOf('deepin') !== -1) {
    result = 'deepin';
  }
  else if (distro.indexOf('elementary') !== -1) {
    result = 'elementary';
  }
  else if (distro.indexOf('endeavour') !== -1) {
    result = 'endeavour';
  }
  else if (distro.indexOf('fedora') !== -1) {
    result = 'fedora';
  }
  else if (distro.indexOf('gentoo') !== -1) {
    result = 'gentoo';
  }
  else if (distro.indexOf('mageia') !== -1) {
    result = 'mageia';
  }
  else if (distro.indexOf('mandriva') !== -1) {
    result = 'mandriva';
  }
  else if (distro.indexOf('manjaro') !== -1) {
    result = 'manjaro';
  }
  else if (distro.indexOf('mint') !== -1) {
    result = 'mint';
  }
  else if (distro.indexOf('mx') !== -1) {
    result = 'mx';
  }
  else if (distro.indexOf('openbsd') !== -1) {
    result = 'openbsd';
  }
  else if (distro.indexOf('freebsd') !== -1) {
    result = 'freebsd';
  }
  else if (distro.indexOf('opensuse') !== -1) {
    result = 'opensuse';
  }
  else if (distro.indexOf('pclinuxos') !== -1) {
    result = 'pclinuxos';
  }
  else if (distro.indexOf('puppy') !== -1) {
    result = 'puppy';
  }
  else if (distro.indexOf('popos') !== -1) {
    result = 'popos';
  }
  else if (distro.indexOf('raspbian') !== -1) {
    result = 'raspbian';
  }
  else if (distro.indexOf('reactos') !== -1) {
    result = 'reactos';
  }
  else if (distro.indexOf('redhat') !== -1) {
    result = 'redhat';
  }
  else if (distro.indexOf('slackware') !== -1) {
    result = 'slackware';
  }
  else if (distro.indexOf('sugar') !== -1) {
    result = 'sugar';
  }
  else if (distro.indexOf('steam') !== -1) {
    result = 'steam';
  }
  else if (distro.indexOf('suse') !== -1) {
    result = 'suse';
  }
  else if (distro.indexOf('mate') !== -1) {
    result = 'ubuntu-mate';
  }
  else if (distro.indexOf('lubuntu') !== -1) {
    result = 'lubuntu';
  }
  else if (distro.indexOf('xubuntu') !== -1) {
    result = 'xubuntu';
  }
  else if (distro.indexOf('ubuntu') !== -1) {
    result = 'ubuntu';
  }
  else if (distro.indexOf('solaris') !== -1) {
    result = 'solaris';
  }
  else if (distro.indexOf('tails') !== -1) {
    result = 'tails';
  }
  else if (distro.indexOf('feren') !== -1) {
    result = 'ferenos';
  }
  else if (distro.indexOf('robolinux') !== -1) {
    result = 'robolinux';
  } else if (_linux && distro) {
    result = distro.toLowerCase().trim().replace(/\s+/g, '-');
  }
  return result;
}

// --------------------------
// FQDN

function getFQDN() {
  let fqdn = os.hostname;
  if (_linux || _darwin) {
    try {
      const stdout = execSync('hostname -f 2>/dev/null', util.execOptsLinux);
      fqdn = stdout.toString().split(os.EOL)[0];
    } catch (e) {
      util.noop();
    }
  }
  if (_freebsd || _openbsd || _netbsd) {
    try {
      const stdout = execSync('hostname 2>/dev/null');
      fqdn = stdout.toString().split(os.EOL)[0];
    } catch (e) {
      util.noop();
    }
  }
  if (_windows) {
    try {
      const stdout = execSync('echo %COMPUTERNAME%.%USERDNSDOMAIN%', util.execOptsWin);
      fqdn = stdout.toString().replace('.%USERDNSDOMAIN%', '').split(os.EOL)[0];
    } catch (e) {
      util.noop();
    }
  }
  return fqdn;
}

// --------------------------
// OS Information

function osInfo(callback) {

  return new Promise((resolve) => {
    process.nextTick(() => {
      let result = {

        platform: (_platform === 'win32' ? 'Windows' : _platform),
        distro: 'unknown',
        release: 'unknown',
        codename: '',
        kernel: os.release(),
        arch: os.arch(),
        hostname: os.hostname(),
        fqdn: getFQDN(),
        codepage: '',
        logofile: '',
        serial: '',
        build: '',
        servicepack: '',
        uefi: false
      };

      if (_linux) {

        exec('cat /etc/*-release; cat /usr/lib/os-release; cat /etc/openwrt_release', function (error, stdout) {
          /**
           * @namespace
           * @property {string}  DISTRIB_ID
           * @property {string}  NAME
           * @property {string}  DISTRIB_RELEASE
           * @property {string}  VERSION_ID
           * @property {string}  DISTRIB_CODENAME
           */
          let release = {};
          let lines = stdout.toString().split('\n');
          lines.forEach(function (line) {
            if (line.indexOf('=') !== -1) {
              release[line.split('=')[0].trim().toUpperCase()] = line.split('=')[1].trim();
            }
          });
          result.distro = (release.DISTRIB_ID || release.NAME || 'unknown').replace(/"/g, '');
          result.logofile = getLogoFile(result.distro);
          let releaseVersion = (release.VERSION || '').replace(/"/g, '');
          let codename = (release.DISTRIB_CODENAME || release.VERSION_CODENAME || '').replace(/"/g, '');
          const prettyName = (release.PRETTY_NAME || '').replace(/"/g, '');
          if (prettyName.indexOf(result.distro + ' ') === 0) {
            releaseVersion = prettyName.replace(result.distro + ' ', '').trim();
          }
          if (releaseVersion.indexOf('(') >= 0) {
            codename = releaseVersion.split('(')[1].replace(/[()]/g, '').trim();
            releaseVersion = releaseVersion.split('(')[0].trim();
          }
          result.release = (releaseVersion || release.DISTRIB_RELEASE || release.VERSION_ID || 'unknown').replace(/"/g, '');
          result.codename = codename;
          result.codepage = util.getCodepage();
          result.build = (release.BUILD_ID || '').replace(/"/g, '').trim();
          isUefiLinux().then(uefi => {
            result.uefi = uefi;
            uuid().then((data) => {
              result.serial = data.os;
              if (callback) {
                callback(result);
              }
              resolve(result);
            });
          });
        });
      }
      if (_freebsd || _openbsd || _netbsd) {

        exec('sysctl kern.ostype kern.osrelease kern.osrevision kern.hostuuid machdep.bootmethod kern.geom.confxml', function (error, stdout) {
          let lines = stdout.toString().split('\n');
          const distro = util.getValue(lines, 'kern.ostype');
          const logofile = getLogoFile(distro);
          const release = util.getValue(lines, 'kern.osrelease').split('-')[0];
          const serial = util.getValue(lines, 'kern.uuid');
          const bootmethod = util.getValue(lines, 'machdep.bootmethod');
          const uefiConf = stdout.toString().indexOf('<type>efi</type>') >= 0;
          const uefi = bootmethod ? bootmethod.toLowerCase().indexOf('uefi') >= 0 : (uefiConf ? uefiConf : null);
          result.distro = distro || result.distro;
          result.logofile = logofile || result.logofile;
          result.release = release || result.release;
          result.serial = serial || result.serial;
          result.codename = '';
          result.codepage = util.getCodepage();
          result.uefi = uefi || null;
          if (callback) {
            callback(result);
          }
          resolve(result);
        });
      }
      if (_darwin) {
        exec('sw_vers; sysctl kern.ostype kern.osrelease kern.osrevision kern.uuid', function (error, stdout) {
          let lines = stdout.toString().split('\n');
          result.serial = util.getValue(lines, 'kern.uuid');
          result.distro = util.getValue(lines, 'ProductName');
          result.release = (util.getValue(lines, 'ProductVersion', ':', true, true) + ' ' + util.getValue(lines, 'ProductVersionExtra', ':', true, true)).trim();
          result.build = util.getValue(lines, 'BuildVersion');
          result.logofile = getLogoFile(result.distro);
          result.codename = 'macOS';
          result.codename = (result.release.indexOf('10.4') > -1 ? 'OS X Tiger' : result.codename);
          result.codename = (result.release.indexOf('10.5') > -1 ? 'OS X Leopard' : result.codename);
          result.codename = (result.release.indexOf('10.6') > -1 ? 'OS X Snow Leopard' : result.codename);
          result.codename = (result.release.indexOf('10.7') > -1 ? 'OS X Lion' : result.codename);
          result.codename = (result.release.indexOf('10.8') > -1 ? 'OS X Mountain Lion' : result.codename);
          result.codename = (result.release.indexOf('10.9') > -1 ? 'OS X Mavericks' : result.codename);
          result.codename = (result.release.indexOf('10.10') > -1 ? 'OS X Yosemite' : result.codename);
          result.codename = (result.release.indexOf('10.11') > -1 ? 'OS X El Capitan' : result.codename);
          result.codename = (result.release.indexOf('10.12') > -1 ? 'Sierra' : result.codename);
          result.codename = (result.release.indexOf('10.13') > -1 ? 'High Sierra' : result.codename);
          result.codename = (result.release.indexOf('10.14') > -1 ? 'Mojave' : result.codename);
          result.codename = (result.release.indexOf('10.15') > -1 ? 'Catalina' : result.codename);
          result.codename = (result.release.startsWith('11.') ? 'Big Sur' : result.codename);
          result.codename = (result.release.startsWith('12.') ? 'Monterey' : result.codename);
          result.codename = (result.release.startsWith('13.') ? 'Ventura' : result.codename);
          result.codename = (result.release.startsWith('14.') ? 'Sonoma' : result.codename);
          result.codename = (result.release.startsWith('15.') ? 'Sequoia' : result.codename);
          result.uefi = true;
          result.codepage = util.getCodepage();
          if (callback) {
            callback(result);
          }
          resolve(result);
        });
      }
      if (_sunos) {
        result.release = result.kernel;
        exec('uname -o', function (error, stdout) {
          let lines = stdout.toString().split('\n');
          result.distro = lines[0];
          result.logofile = getLogoFile(result.distro);
          if (callback) { callback(result); }
          resolve(result);
        });
      }
      if (_windows) {
        result.logofile = getLogoFile();
        result.release = result.kernel;
        try {
          const workload = [];
          workload.push(util.powerShell('Get-CimInstance Win32_OperatingSystem | select Caption,SerialNumber,BuildNumber,ServicePackMajorVersion,ServicePackMinorVersion | fl'));
          workload.push(util.powerShell('(Get-CimInstance Win32_ComputerSystem).HypervisorPresent'));
          workload.push(util.powerShell('Add-Type -AssemblyName System.Windows.Forms; [System.Windows.Forms.SystemInformation]::TerminalServerSession'));
          util.promiseAll(
            workload
          ).then((data) => {
            let lines = data.results[0] ? data.results[0].toString().split('\r\n') : [''];
            result.distro = util.getValue(lines, 'Caption', ':').trim();
            result.serial = util.getValue(lines, 'SerialNumber', ':').trim();
            result.build = util.getValue(lines, 'BuildNumber', ':').trim();
            result.servicepack = util.getValue(lines, 'ServicePackMajorVersion', ':').trim() + '.' + util.getValue(lines, 'ServicePackMinorVersion', ':').trim();
            result.codepage = util.getCodepage();
            const hyperv = data.results[1] ? data.results[1].toString().toLowerCase() : '';
            result.hypervisor = hyperv.indexOf('true') !== -1;
            const term = data.results[2] ? data.results[2].toString() : '';
            result.remoteSession = (term.toString().toLowerCase().indexOf('true') >= 0);
            isUefiWindows().then(uefi => {
              result.uefi = uefi;
              if (callback) {
                callback(result);
              }
              resolve(result);
            });
          });
        } catch (e) {
          if (callback) { callback(result); }
          resolve(result);
        }
      }
    });
  });
}

exports.osInfo = osInfo;

function isUefiLinux() {
  return new Promise((resolve) => {
    process.nextTick(() => {
      fs.stat('/sys/firmware/efi', function (err) {
        if (!err) {
          return resolve(true);
        } else {
          exec('dmesg | grep -E "EFI v"', function (error, stdout) {
            if (!error) {
              const lines = stdout.toString().split('\n');
              return resolve(lines.length > 0);
            }
            return resolve(false);
          });
        }
      });
    });
  });
}

function isUefiWindows() {
  return new Promise((resolve) => {
    process.nextTick(() => {
      try {
        exec('findstr /C:"Detected boot environment" "%windir%\\Panther\\setupact.log"', util.execOptsWin, function (error, stdout) {
          if (!error) {
            const line = stdout.toString().split('\n\r')[0];
            return resolve(line.toLowerCase().indexOf('efi') >= 0);
          } else {
            exec('echo %firmware_type%', util.execOptsWin, function (error, stdout) {
              if (!error) {
                const line = stdout.toString() || '';
                return resolve(line.toLowerCase().indexOf('efi') >= 0);
              } else {
                return resolve(false);
              }
            });
          }
        });
      } catch (e) {
        return resolve(false);
      }
    });
  });
}

function versions(apps, callback) {
  let versionObject = {
    kernel: os.release(),
    apache: '',
    bash: '',
    bun: '',
    deno: '',
    docker: '',
    dotnet: '',
    fish: '',
    gcc: '',
    git: '',
    grunt: '',
    gulp: '',
    homebrew: '',
    java: '',
    mongodb: '',
    mysql: '',
    nginx: '',
    node: '', //process.versions.node,
    npm: '',
    openssl: '',
    perl: '',
    php: '',
    pip3: '',
    pip: '',
    pm2: '',
    postfix: '',
    postgresql: '',
    powershell: '',
    python3: '',
    python: '',
    redis: '',
    systemOpenssl: '',
    systemOpensslLib: '',
    tsc: '',
    v8: process.versions.v8,
    virtualbox: '',
    yarn: '',
    zsh: ''
  };

  function checkVersionParam(apps) {
    if (apps === '*') {
      return {
        versions: versionObject,
        counter: 34
      };
    }
    if (!Array.isArray(apps)) {
      apps = apps.trim().toLowerCase().replace(/,+/g, '|').replace(/ /g, '|');
      apps = apps.split('|');
      const result = {
        versions: {},
        counter: 0
      };
      apps.forEach(el => {
        if (el) {
          for (let key in versionObject) {
            if ({}.hasOwnProperty.call(versionObject, key)) {
              if (key.toLowerCase() === el.toLowerCase() && !{}.hasOwnProperty.call(result.versions, key)) {
                result.versions[key] = versionObject[key];
                if (key === 'openssl') {
                  result.versions.systemOpenssl = '';
                  result.versions.systemOpensslLib = '';
                }

                if (!result.versions[key]) { result.counter++; }
              }
            }
          }
        }
      });
      return result;
    }
  }

  return new Promise((resolve) => {
    process.nextTick(() => {
      if (util.isFunction(apps) && !callback) {
        callback = apps;
        apps = '*';
      } else {
        apps = apps || '*';
        if (typeof apps !== 'string') {
          if (callback) { callback({}); }
          return resolve({});
        }
      }
      const appsObj = checkVersionParam(apps);
      let totalFunctions = appsObj.counter;

      let functionProcessed = (function () {
        return function () {
          if (--totalFunctions === 0) {
            if (callback) {
              callback(appsObj.versions);
            }
            resolve(appsObj.versions);
          }
        };
      })();

      let cmd = '';
      try {
        if ({}.hasOwnProperty.call(appsObj.versions, 'openssl')) {
          appsObj.versions.openssl = process.versions.openssl;
          exec('openssl version', function (error, stdout) {
            if (!error) {
              let openssl_string = stdout.toString().split('\n')[0].trim();
              let openssl = openssl_string.split(' ');
              appsObj.versions.systemOpenssl = openssl.length > 0 ? openssl[1] : openssl[0];
              appsObj.versions.systemOpensslLib = openssl.length > 0 ? openssl[0] : 'openssl';
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'npm')) {
          exec('npm -v', function (error, stdout) {
            if (!error) {
              appsObj.versions.npm = stdout.toString().split('\n')[0];
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'pm2')) {
          cmd = 'pm2';
          if (_windows) {
            cmd += '.cmd';
          }
          exec(`${cmd} -v`, function (error, stdout) {
            if (!error) {
              let pm2 = stdout.toString().split('\n')[0].trim();
              if (!pm2.startsWith('[PM2]')) {
                appsObj.versions.pm2 = pm2;
              }
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'yarn')) {
          exec('yarn --version', function (error, stdout) {
            if (!error) {
              appsObj.versions.yarn = stdout.toString().split('\n')[0];
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'gulp')) {
          cmd = 'gulp';
          if (_windows) {
            cmd += '.cmd';
          }
          exec(`${cmd} --version`, function (error, stdout) {
            if (!error) {
              const gulp = stdout.toString().split('\n')[0] || '';
              appsObj.versions.gulp = (gulp.toLowerCase().split('version')[1] || '').trim();
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'homebrew')) {
          cmd = 'brew';
          exec(`${cmd} --version`, function (error, stdout) {
            if (!error) {
              const brew = stdout.toString().split('\n')[0] || '';
              appsObj.versions.homebrew = (brew.toLowerCase().split(' ')[1] || '').trim();
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'tsc')) {
          cmd = 'tsc';
          if (_windows) {
            cmd += '.cmd';
          }
          exec(`${cmd} --version`, function (error, stdout) {
            if (!error) {
              const tsc = stdout.toString().split('\n')[0] || '';
              appsObj.versions.tsc = (tsc.toLowerCase().split('version')[1] || '').trim();
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'grunt')) {
          cmd = 'grunt';
          if (_windows) {
            cmd += '.cmd';
          }
          exec(`${cmd} --version`, function (error, stdout) {
            if (!error) {
              const grunt = stdout.toString().split('\n')[0] || '';
              appsObj.versions.grunt = (grunt.toLowerCase().split('cli v')[1] || '').trim();
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'git')) {
          if (_darwin) {
            const gitHomebrewExists = fs.existsSync('/usr/local/Cellar/git') || fs.existsSync('/opt/homebrew/bin/git');
            if (util.darwinXcodeExists() || gitHomebrewExists) {
              exec('git --version', function (error, stdout) {
                if (!error) {
                  let git = stdout.toString().split('\n')[0] || '';
                  git = (git.toLowerCase().split('version')[1] || '').trim();
                  appsObj.versions.git = (git.split(' ')[0] || '').trim();
                }
                functionProcessed();
              });
            } else {
              functionProcessed();
            }
          } else {
            exec('git --version', function (error, stdout) {
              if (!error) {
                let git = stdout.toString().split('\n')[0] || '';
                git = (git.toLowerCase().split('version')[1] || '').trim();
                appsObj.versions.git = (git.split(' ')[0] || '').trim();
              }
              functionProcessed();
            });
          }
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'apache')) {
          exec('apachectl -v 2>&1', function (error, stdout) {
            if (!error) {
              const apache = (stdout.toString().split('\n')[0] || '').split(':');
              appsObj.versions.apache = (apache.length > 1 ? apache[1].replace('Apache', '').replace('/', '').split('(')[0].trim() : '');
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'nginx')) {
          exec('nginx -v 2>&1', function (error, stdout) {
            if (!error) {
              const nginx = stdout.toString().split('\n')[0] || '';
              appsObj.versions.nginx = (nginx.toLowerCase().split('/')[1] || '').trim();
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'mysql')) {
          exec('mysql -V', function (error, stdout) {
            if (!error) {
              let mysql = stdout.toString().split('\n')[0] || '';
              mysql = mysql.toLowerCase();
              if (mysql.indexOf(',') > -1) {
                mysql = (mysql.split(',')[0] || '').trim();
                const parts = mysql.split(' ');
                appsObj.versions.mysql = (parts[parts.length - 1] || '').trim();
              } else {
                if (mysql.indexOf(' ver ') > -1) {
                  mysql = mysql.split(' ver ')[1];
                  appsObj.versions.mysql = mysql.split(' ')[0];
                }
              }
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'php')) {
          exec('php -v', function (error, stdout) {
            if (!error) {
              const php = stdout.toString().split('\n')[0] || '';
              let parts = php.split('(');
              if (parts[0].indexOf('-')) {
                parts = parts[0].split('-');
              }
              appsObj.versions.php = parts[0].replace(/[^0-9.]/g, '');
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'redis')) {
          exec('redis-server --version', function (error, stdout) {
            if (!error) {
              const redis = stdout.toString().split('\n')[0] || '';
              const parts = redis.split(' ');
              appsObj.versions.redis = util.getValue(parts, 'v', '=', true);
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'docker')) {
          exec('docker --version', function (error, stdout) {
            if (!error) {
              const docker = stdout.toString().split('\n')[0] || '';
              const parts = docker.split(' ');
              appsObj.versions.docker = parts.length > 2 && parts[2].endsWith(',') ? parts[2].slice(0, -1) : '';
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'postfix')) {
          exec('postconf -d | grep mail_version', function (error, stdout) {
            if (!error) {
              const postfix = stdout.toString().split('\n') || [];
              appsObj.versions.postfix = util.getValue(postfix, 'mail_version', '=', true);
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'mongodb')) {
          exec('mongod --version', function (error, stdout) {
            if (!error) {
              const mongodb = stdout.toString().split('\n')[0] || '';
              appsObj.versions.mongodb = (mongodb.toLowerCase().split(',')[0] || '').replace(/[^0-9.]/g, '');
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'postgresql')) {
          if (_linux) {
            exec('locate bin/postgres', function (error, stdout) {
              if (!error) {
                const postgresqlBin = stdout.toString().split('\n').sort();
                if (postgresqlBin.length) {
                  exec(postgresqlBin[postgresqlBin.length - 1] + ' -V', function (error, stdout) {
                    if (!error) {
                      const postgresql = stdout.toString().split('\n')[0].split(' ') || [];
                      appsObj.versions.postgresql = postgresql.length ? postgresql[postgresql.length - 1] : '';
                    }
                    functionProcessed();
                  });
                } else {
                  functionProcessed();
                }
              } else {
                exec('psql -V', function (error, stdout) {
                  if (!error) {
                    const postgresql = stdout.toString().split('\n')[0].split(' ') || [];
                    appsObj.versions.postgresql = postgresql.length ? postgresql[postgresql.length - 1] : '';
                    appsObj.versions.postgresql = appsObj.versions.postgresql.split('-')[0];
                  }
                  functionProcessed();
                });
              }
            });
          } else {
            if (_windows) {
              util.powerShell('Get-CimInstance Win32_Service | select caption | fl').then((stdout) => {
                let serviceSections = stdout.split(/\n\s*\n/);
                serviceSections.forEach((item) => {
                  if (item.trim() !== '') {
                    let lines = item.trim().split('\r\n');
                    let srvCaption = util.getValue(lines, 'caption', ':', true).toLowerCase();
                    if (srvCaption.indexOf('postgresql') > -1) {
                      const parts = srvCaption.split(' server ');
                      if (parts.length > 1) {
                        appsObj.versions.postgresql = parts[1];
                      }
                    }
                  }
                });
                functionProcessed();
              });
            } else {
              exec('postgres -V', function (error, stdout) {
                if (!error) {
                  const postgresql = stdout.toString().split('\n')[0].split(' ') || [];
                  appsObj.versions.postgresql = postgresql.length ? postgresql[postgresql.length - 1] : '';
                } else {
                  exec('pg_config --version', function (error, stdout) {
                    if (!error) {
                      const postgresql = stdout.toString().split('\n')[0].split(' ') || [];
                      appsObj.versions.postgresql = postgresql.length ? postgresql[postgresql.length - 1] : '';
                    }
                  });
                }
                functionProcessed();
              });
            }
          }
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'perl')) {
          exec('perl -v', function (error, stdout) {
            if (!error) {
              const perl = stdout.toString().split('\n') || '';
              while (perl.length > 0 && perl[0].trim() === '') {
                perl.shift();
              }
              if (perl.length > 0) {
                appsObj.versions.perl = perl[0].split('(').pop().split(')')[0].replace('v', '');
              }
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'python')) {
          if (_darwin) {
            try {
              const stdout = execSync('sw_vers');
              const lines = stdout.toString().split('\n');
              const osVersion = util.getValue(lines, 'ProductVersion', ':');
              const gitHomebrewExists1 = fs.existsSync('/usr/local/Cellar/python');
              const gitHomebrewExists2 = fs.existsSync('/opt/homebrew/bin/python');
              if ((util.darwinXcodeExists() && util.semverCompare('12.0.1', osVersion) < 0) || gitHomebrewExists1 || gitHomebrewExists2) {
                const cmd = gitHomebrewExists1 ? '/usr/local/Cellar/python -V 2>&1' : (gitHomebrewExists2 ? '/opt/homebrew/bin/python -V 2>&1' : 'python -V 2>&1');
                exec(cmd, function (error, stdout) {
                  if (!error) {
                    const python = stdout.toString().split('\n')[0] || '';
                    appsObj.versions.python = python.toLowerCase().replace('python', '').trim();
                  }
                  functionProcessed();
                });
              } else {
                functionProcessed();
              }
            } catch (e) {
              functionProcessed();
            }

          } else {
            exec('python -V 2>&1', function (error, stdout) {
              if (!error) {
                const python = stdout.toString().split('\n')[0] || '';
                appsObj.versions.python = python.toLowerCase().replace('python', '').trim();
              }
              functionProcessed();
            });
          }
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'python3')) {
          if (_darwin) {
            const gitHomebrewExists = fs.existsSync('/usr/local/Cellar/python3') || fs.existsSync('/opt/homebrew/bin/python3');
            if (util.darwinXcodeExists() || gitHomebrewExists) {
              exec('python3 -V 2>&1', function (error, stdout) {
                if (!error) {
                  const python = stdout.toString().split('\n')[0] || '';
                  appsObj.versions.python3 = python.toLowerCase().replace('python', '').trim();
                }
                functionProcessed();
              });
            } else {
              functionProcessed();
            }
          } else {
            exec('python3 -V 2>&1', function (error, stdout) {
              if (!error) {
                const python = stdout.toString().split('\n')[0] || '';
                appsObj.versions.python3 = python.toLowerCase().replace('python', '').trim();
              }
              functionProcessed();
            });
          }
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'pip')) {
          if (_darwin) {
            const gitHomebrewExists = fs.existsSync('/usr/local/Cellar/pip') || fs.existsSync('/opt/homebrew/bin/pip');
            if (util.darwinXcodeExists() || gitHomebrewExists) {
              exec('pip -V 2>&1', function (error, stdout) {
                if (!error) {
                  const pip = stdout.toString().split('\n')[0] || '';
                  const parts = pip.split(' ');
                  appsObj.versions.pip = parts.length >= 2 ? parts[1] : '';
                }
                functionProcessed();
              });
            } else {
              functionProcessed();
            }
          } else {
            exec('pip -V 2>&1', function (error, stdout) {
              if (!error) {
                const pip = stdout.toString().split('\n')[0] || '';
                const parts = pip.split(' ');
                appsObj.versions.pip = parts.length >= 2 ? parts[1] : '';
              }
              functionProcessed();
            });
          }
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'pip3')) {
          if (_darwin) {
            const gitHomebrewExists = fs.existsSync('/usr/local/Cellar/pip3') || fs.existsSync('/opt/homebrew/bin/pip3');
            if (util.darwinXcodeExists() || gitHomebrewExists) {
              exec('pip3 -V 2>&1', function (error, stdout) {
                if (!error) {
                  const pip = stdout.toString().split('\n')[0] || '';
                  const parts = pip.split(' ');
                  appsObj.versions.pip3 = parts.length >= 2 ? parts[1] : '';
                }
                functionProcessed();
              });
            } else {
              functionProcessed();
            }
          } else {
            exec('pip3 -V 2>&1', function (error, stdout) {
              if (!error) {
                const pip = stdout.toString().split('\n')[0] || '';
                const parts = pip.split(' ');
                appsObj.versions.pip3 = parts.length >= 2 ? parts[1] : '';
              }
              functionProcessed();
            });
          }
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'java')) {
          if (_darwin) {
            // check if any JVM is installed but avoid dialog box that Java needs to be installed
            exec('/usr/libexec/java_home -V 2>&1', function (error, stdout) {
              if (!error && stdout.toString().toLowerCase().indexOf('no java runtime') === -1) {
                // now this can be done savely
                exec('java -version 2>&1', function (error, stdout) {
                  if (!error) {
                    const java = stdout.toString().split('\n')[0] || '';
                    const parts = java.split('"');
                    appsObj.versions.java = parts.length === 3 ? parts[1].trim() : '';
                  }
                  functionProcessed();
                });
              } else {
                functionProcessed();
              }
            });
          } else {
            exec('java -version 2>&1', function (error, stdout) {
              if (!error) {
                const java = stdout.toString().split('\n')[0] || '';
                const parts = java.split('"');
                appsObj.versions.java = parts.length === 3 ? parts[1].trim() : '';
              }
              functionProcessed();
            });
          }
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'gcc')) {
          if ((_darwin && util.darwinXcodeExists()) || !_darwin) {
            exec('gcc -dumpversion', function (error, stdout) {
              if (!error) {
                appsObj.versions.gcc = stdout.toString().split('\n')[0].trim() || '';
              }
              if (appsObj.versions.gcc.indexOf('.') > -1) {
                functionProcessed();
              } else {
                exec('gcc --version', function (error, stdout) {
                  if (!error) {
                    const gcc = stdout.toString().split('\n')[0].trim();
                    if (gcc.indexOf('gcc') > -1 && gcc.indexOf(')') > -1) {
                      const parts = gcc.split(')');
                      appsObj.versions.gcc = parts[1].trim() || appsObj.versions.gcc;
                    }
                  }
                  functionProcessed();
                });
              }
            });
          } else {
            functionProcessed();
          }
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'virtualbox')) {
          exec(util.getVboxmanage() + ' -v 2>&1', function (error, stdout) {
            if (!error) {
              const vbox = stdout.toString().split('\n')[0] || '';
              const parts = vbox.split('r');
              appsObj.versions.virtualbox = parts[0];
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'bash')) {
          exec('bash --version', function (error, stdout) {
            if (!error) {
              const line = stdout.toString().split('\n')[0];
              const parts = line.split(' version ');
              if (parts.length > 1) {
                appsObj.versions.bash = parts[1].split(' ')[0].split('(')[0];
              }
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'zsh')) {
          exec('zsh --version', function (error, stdout) {
            if (!error) {
              const line = stdout.toString().split('\n')[0];
              const parts = line.split('zsh ');
              if (parts.length > 1) {
                appsObj.versions.zsh = parts[1].split(' ')[0];
              }
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'fish')) {
          exec('fish --version', function (error, stdout) {
            if (!error) {
              const line = stdout.toString().split('\n')[0];
              const parts = line.split(' version ');
              if (parts.length > 1) {
                appsObj.versions.fish = parts[1].split(' ')[0];
              }
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'bun')) {
          exec('bun -v', function (error, stdout) {
            if (!error) {
              const line = stdout.toString().split('\n')[0].trim();
              appsObj.versions.bun = line;
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'deno')) {
          exec('deno -v', function (error, stdout) {
            if (!error) {
              const line = stdout.toString().split('\n')[0].trim();
              const parts = line.split(' ');
              if (parts.length > 1) {
                appsObj.versions.deno = parts[1];
              }
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'node')) {
          exec('node -v', function (error, stdout) {
            if (!error) {
              let line = stdout.toString().split('\n')[0].trim();
              if (line.startsWith('v')) { line = line.slice(1); }
              appsObj.versions.node = line;
            }
            functionProcessed();
          });
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'powershell')) {
          if (_windows) {
            util.powerShell('$PSVersionTable').then(stdout => {
              const lines = stdout.toString().toLowerCase().split('\n').map(line => line.replace(/ +/g, ' ').replace(/ +/g, ':'));
              appsObj.versions.powershell = util.getValue(lines, 'psversion');
              functionProcessed();
            });
          } else {
            functionProcessed();
          }
        }
        if ({}.hasOwnProperty.call(appsObj.versions, 'dotnet')) {
          if (_windows) {
            util.powerShell('gci "HKLM:\\SOFTWARE\\Microsoft\\NET Framework Setup\\NDP" -recurse | gp -name Version,Release -EA 0 | where { $_.PSChildName -match "^(?!S)\\p{L}"} | select PSChildName, Version, Release').then(stdout => {
              const lines = stdout.toString().split('\r\n');
              let dotnet = '';
              lines.forEach(line => {
                line = line.replace(/ +/g, ' ');
                const parts = line.split(' ');
                dotnet = dotnet || (parts[0].toLowerCase().startsWith('client') && parts.length > 2 ? parts[1].trim() : (parts[0].toLowerCase().startsWith('full') && parts.length > 2 ? parts[1].trim() : ''));
              });
              appsObj.versions.dotnet = dotnet.trim();
              functionProcessed();
            });
          } else {
            functionProcessed();
          }
        }
      } catch (e) {
        if (callback) { callback(appsObj.versions); }
        resolve(appsObj.versions);
      }
    });
  });
}

exports.versions = versions;

function shell(callback) {
  return new Promise((resolve) => {
    process.nextTick(() => {
      if (_windows) {
        try {
          const result = 'CMD';
          util.powerShell(`Get-CimInstance -className win32_process | where-object {$_.ProcessId -eq ${process.ppid} } | select Name`).then(stdout => {
            let result = 'CMD';
            if (stdout) {
              if (stdout.toString().toLowerCase().indexOf('powershell') >= 0) {
                result = 'PowerShell';
              }
            }
            if (callback) {
              callback(result);
            }
            resolve(result);
          });
        } catch {
          if (callback) {
            callback(result);
          }
          resolve(result);
        }
      } else {
        let result = '';
        exec('echo $SHELL', function (error, stdout) {
          if (!error) {
            result = stdout.toString().split('\n')[0];
          }
          if (callback) {
            callback(result);
          }
          resolve(result);
        });
      }
    });
  });
}

exports.shell = shell;

function getUniqueMacAdresses() {
  let macs = [];
  try {
    const ifaces = os.networkInterfaces();
    for (let dev in ifaces) {
      if ({}.hasOwnProperty.call(ifaces, dev)) {
        ifaces[dev].forEach(function (details) {
          if (details && details.mac && details.mac !== '00:00:00:00:00:00') {
            const mac = details.mac.toLowerCase();
            if (macs.indexOf(mac) === -1) {
              macs.push(mac);
            }
          }
        });
      }
    }
    macs = macs.sort(function (a, b) {
      if (a < b) { return -1; }
      if (a > b) { return 1; }
      return 0;
    });
  } catch (e) {
    macs.push('00:00:00:00:00:00');
  }
  return macs;
}

function uuid(callback) {
  return new Promise((resolve) => {
    process.nextTick(() => {

      let result = {
        os: '',
        hardware: '',
        macs: getUniqueMacAdresses()
      };
      let parts;

      if (_darwin) {
        exec('system_profiler SPHardwareDataType -json', function (error, stdout) {
          if (!error) {
            try {
              const jsonObj = JSON.parse(stdout.toString());
              if (jsonObj.SPHardwareDataType && jsonObj.SPHardwareDataType.length > 0) {
                const spHardware = jsonObj.SPHardwareDataType[0];
                result.os = spHardware.platform_UUID.toLowerCase();
                result.hardware = spHardware.serial_number;
              }
            } catch (e) {
              util.noop();
            }
          }
          if (callback) {
            callback(result);
          }
          resolve(result);
        });
      }
      if (_linux) {
        const cmd = `echo -n "os: "; cat /var/lib/dbus/machine-id 2> /dev/null ||
cat /etc/machine-id 2> /dev/null; echo;
echo -n "hardware: "; cat /sys/class/dmi/id/product_uuid 2> /dev/null; echo;`;
        exec(cmd, function (error, stdout) {
          const lines = stdout.toString().split('\n');
          result.os = util.getValue(lines, 'os').toLowerCase();
          result.hardware = util.getValue(lines, 'hardware').toLowerCase();
          if (!result.hardware) {
            const lines = fs.readFileSync('/proc/cpuinfo', { encoding: 'utf8' }).toString().split('\n');
            const serial = util.getValue(lines, 'serial');
            result.hardware = serial || '';
          }
          if (callback) {
            callback(result);
          }
          resolve(result);
        });
      }
      if (_freebsd || _openbsd || _netbsd) {
        exec('sysctl -i kern.hostid kern.hostuuid', function (error, stdout) {
          const lines = stdout.toString().split('\n');
          result.os = util.getValue(lines, 'kern.hostid', ':').toLowerCase();
          result.hardware = util.getValue(lines, 'kern.hostuuid', ':').toLowerCase();
          if (result.os.indexOf('unknown') >= 0) { result.os = ''; }
          if (result.hardware.indexOf('unknown') >= 0) { result.hardware = ''; }
          if (callback) {
            callback(result);
          }
          resolve(result);
        });
      }
      if (_windows) {
        let sysdir = '%windir%\\System32';
        if (process.arch === 'ia32' && Object.prototype.hasOwnProperty.call(process.env, 'PROCESSOR_ARCHITEW6432')) {
          sysdir = '%windir%\\sysnative\\cmd.exe /c %windir%\\System32';
        }
        util.powerShell('Get-CimInstance Win32_ComputerSystemProduct | select UUID | fl').then((stdout) => {
          let lines = stdout.split('\r\n');
          result.hardware = util.getValue(lines, 'uuid', ':').toLowerCase();
          exec(`${sysdir}\\reg query "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Cryptography" /v MachineGuid`, util.execOptsWin, function (error, stdout) {
            parts = stdout.toString().split('\n\r')[0].split('REG_SZ');
            result.os = parts.length > 1 ? parts[1].replace(/\r+|\n+|\s+/ig, '').toLowerCase() : '';
            if (callback) {
              callback(result);
            }
            resolve(result);
          });
        });
      }
    });
  });
}

exports.uuid = uuid;