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Server IP : 172.67.142.142 / Your IP : 104.23.243.117 [ Reverse IP ]
Web Server : nginx/1.18.0
System : Linux ip-172-31-29-104 5.15.0-1075-aws #82~20.04.1-Ubuntu SMP Thu Dec 19 05:24:09 UTC 2024 x86_64
User : www-data ( 33)
PHP Version : 7.4.3-4ubuntu2.29
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,
Domains : 2 Domains
MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON
Directory : /var/app/wyeth/frontend/node_modules/proxy-from-env/

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Current File : /var/app/wyeth/frontend/node_modules/proxy-from-env/index.js

'use strict';

var parseUrl = require('url').parse;

var DEFAULT_PORTS = {
  ftp: 21,
  gopher: 70,
  http: 80,
  https: 443,
  ws: 80,
  wss: 443,
};

var stringEndsWith = String.prototype.endsWith || function(s) {
  return s.length <= this.length &&
    this.indexOf(s, this.length - s.length) !== -1;
};

/**
 * @param {string|object} url - The URL, or the result from url.parse.
 * @return {string} The URL of the proxy that should handle the request to the
 *  given URL. If no proxy is set, this will be an empty string.
 */
function getProxyForUrl(url) {
  var parsedUrl = typeof url === 'string' ? parseUrl(url) : url || {};
  var proto = parsedUrl.protocol;
  var hostname = parsedUrl.host;
  var port = parsedUrl.port;
  if (typeof hostname !== 'string' || !hostname || typeof proto !== 'string') {
    return '';  // Don't proxy URLs without a valid scheme or host.
  }

  proto = proto.split(':', 1)[0];
  // Stripping ports in this way instead of using parsedUrl.hostname to make
  // sure that the brackets around IPv6 addresses are kept.
  hostname = hostname.replace(/:\d*$/, '');
  port = parseInt(port) || DEFAULT_PORTS[proto] || 0;
  if (!shouldProxy(hostname, port)) {
    return '';  // Don't proxy URLs that match NO_PROXY.
  }

  var proxy =
    getEnv('npm_config_' + proto + '_proxy') ||
    getEnv(proto + '_proxy') ||
    getEnv('npm_config_proxy') ||
    getEnv('all_proxy');
  if (proxy && proxy.indexOf('://') === -1) {
    // Missing scheme in proxy, default to the requested URL's scheme.
    proxy = proto + '://' + proxy;
  }
  return proxy;
}

/**
 * Determines whether a given URL should be proxied.
 *
 * @param {string} hostname - The host name of the URL.
 * @param {number} port - The effective port of the URL.
 * @returns {boolean} Whether the given URL should be proxied.
 * @private
 */
function shouldProxy(hostname, port) {
  var NO_PROXY =
    (getEnv('npm_config_no_proxy') || getEnv('no_proxy')).toLowerCase();
  if (!NO_PROXY) {
    return true;  // Always proxy if NO_PROXY is not set.
  }
  if (NO_PROXY === '*') {
    return false;  // Never proxy if wildcard is set.
  }

  return NO_PROXY.split(/[,\s]/).every(function(proxy) {
    if (!proxy) {
      return true;  // Skip zero-length hosts.
    }
    var parsedProxy = proxy.match(/^(.+):(\d+)$/);
    var parsedProxyHostname = parsedProxy ? parsedProxy[1] : proxy;
    var parsedProxyPort = parsedProxy ? parseInt(parsedProxy[2]) : 0;
    if (parsedProxyPort && parsedProxyPort !== port) {
      return true;  // Skip if ports don't match.
    }

    if (!/^[.*]/.test(parsedProxyHostname)) {
      // No wildcards, so stop proxying if there is an exact match.
      return hostname !== parsedProxyHostname;
    }

    if (parsedProxyHostname.charAt(0) === '*') {
      // Remove leading wildcard.
      parsedProxyHostname = parsedProxyHostname.slice(1);
    }
    // Stop proxying if the hostname ends with the no_proxy host.
    return !stringEndsWith.call(hostname, parsedProxyHostname);
  });
}

/**
 * Get the value for an environment variable.
 *
 * @param {string} key - The name of the environment variable.
 * @return {string} The value of the environment variable.
 * @private
 */
function getEnv(key) {
  return process.env[key.toLowerCase()] || process.env[key.toUpperCase()] || '';
}

exports.getProxyForUrl = getProxyForUrl;

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