Server : nginx/1.18.0 System : Linux localhost 6.14.3-x86_64-linode168 #1 SMP PREEMPT_DYNAMIC Mon Apr 21 19:47:55 EDT 2025 x86_64 User : www-data ( 33) PHP Version : 8.0.16 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /var/www/ecommerce/node_modules/default-gateway/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

"use strict";

const net = require("net");
const os = require("os");
const execa = require("execa");

const args = {
  v4: ["-4", "r"],
  v6: ["-6", "r"],
};

const parse = (stdout, family) => {
  let result;

  (stdout || "").trim().split("\n").some(line => {
    const results = /default( via .+?)?( dev .+?)( |$)/.exec(line) || [];
    const gateway = (results[1] || "").substring(5);
    const iface = (results[2] || "").substring(5);
    if (gateway && net.isIP(gateway)) { // default via 1.2.3.4 dev en0
      result = {gateway, interface: (iface ? iface : null)};
      return true;
    } else if (iface && !gateway) { // default via dev en0
      const interfaces = os.networkInterfaces();
      const addresses = interfaces[iface];
      if (!addresses || !addresses.length) return;

      addresses.some(addr => {
        if (addr.family.substring(2) === family && net.isIP(addr.address)) {
          result = {gateway: addr.address, interface: (iface ? iface : null)};
          return true;
        }
      });
    }
  });

  if (!result) {
    throw new Error("Unable to determine default gateway");
  }

  return result;
};

const promise = family => {
  return execa.stdout("ip", args[family]).then(stdout => {
    return parse(stdout, family);
  });
};

const sync = family => {
  const result = execa.sync("ip", args[family]);
  return parse(result.stdout, family);
};

module.exports.v4 = () => promise("v4");
module.exports.v6 = () => promise("v6");

module.exports.v4.sync = () => sync("v4");
module.exports.v6.sync = () => sync("v6");