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/home/byroehnu/easepay.easetack.com/node_modules/proxy-from-env/index.js

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'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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Name	Size	Perms	Modified	Actions
.eslintrc	743 B	lrw-r--r--	2026-02-20 03:52:58	Edit Download recursive recursive
.htaccess	127 B	lr--r--r--	2026-03-14 01:49:21	Edit Download recursive recursive
.travis.yml	328 B	lrw-r--r--	2026-02-20 03:52:58	Edit Download recursive recursive
index.js	3.27 KB	lrw-r--r--	2026-02-20 03:52:58	Edit Download recursive recursive
LICENSE	1.06 KB	lrw-r--r--	2026-02-20 03:52:58	Edit Download recursive recursive
package.json	956 B	lrw-r--r--	2026-02-20 03:52:58	Edit Download recursive recursive
README.md	5.15 KB	lrw-r--r--	2026-02-20 03:52:58	Edit Download recursive recursive
test.js	17.30 KB	lrw-r--r--	2026-02-20 03:52:58	Edit Download recursive recursive

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