/* eslint max-statements:0 */ 'use strict'; var assert = require('assert'); var parseUrl = require('url').parse; var getProxyForUrl = require('./').getProxyForUrl; // Runs the callback with process.env temporarily set to env. function runWithEnv(env, callback) { var originalEnv = process.env; process.env = env; try { callback(); } finally { process.env = originalEnv; } } // Defines a test case that checks whether getProxyForUrl(input) === expected. function testProxyUrl(env, expected, input) { assert(typeof env === 'object' && env !== null); // Copy object to make sure that the in param does not get modified between // the call of this function and the use of it below. env = JSON.parse(JSON.stringify(env)); var title = 'getProxyForUrl(' + JSON.stringify(input) + ')' + ' === ' + JSON.stringify(expected); // Save call stack for later use. var stack = {}; Error.captureStackTrace(stack, testProxyUrl); // Only use the last stack frame because that shows where this function is // called, and that is sufficient for our purpose. No need to flood the logs // with an uninteresting stack trace. stack = stack.stack.split('\n', 2)[1]; it(title, function() { var actual; runWithEnv(env, function() { actual = getProxyForUrl(input); }); if (expected === actual) { return; // Good! } try { assert.strictEqual(expected, actual); // Create a formatted error message. // Should not happen because previously we determined expected !== actual. throw new Error('assert.strictEqual passed. This is impossible!'); } catch (e) { // Use the original stack trace, so we can see a helpful line number. e.stack = e.message + stack; throw e; } }); } describe('getProxyForUrl', function() { describe('No proxy variables', function() { var env = {}; testProxyUrl(env, '', 'http://example.com'); testProxyUrl(env, '', 'https://example.com'); testProxyUrl(env, '', 'ftp://example.com'); }); describe('Invalid URLs', function() { var env = {}; env.ALL_PROXY = 'http://unexpected.proxy'; testProxyUrl(env, '', 'bogus'); testProxyUrl(env, '', '//example.com'); testProxyUrl(env, '', '://example.com'); testProxyUrl(env, '', '://'); testProxyUrl(env, '', '/path'); testProxyUrl(env, '', ''); testProxyUrl(env, '', 'http:'); testProxyUrl(env, '', 'http:/'); testProxyUrl(env, '', 'http://'); testProxyUrl(env, '', 'prototype://'); testProxyUrl(env, '', 'hasOwnProperty://'); testProxyUrl(env, '', '__proto__://'); testProxyUrl(env, '', undefined); testProxyUrl(env, '', null); testProxyUrl(env, '', {}); testProxyUrl(env, '', {host: 'x', protocol: 1}); testProxyUrl(env, '', {host: 1, protocol: 'x'}); }); describe('http_proxy and HTTP_PROXY', function() { var env = {}; env.HTTP_PROXY = 'http://http-proxy'; testProxyUrl(env, '', 'https://example'); testProxyUrl(env, 'http://http-proxy', 'http://example'); testProxyUrl(env, 'http://http-proxy', parseUrl('http://example')); // eslint-disable-next-line camelcase env.http_proxy = 'http://priority'; testProxyUrl(env, 'http://priority', 'http://example'); }); describe('http_proxy with non-sensical value', function() { var env = {}; // Crazy values should be passed as-is. It is the responsibility of the // one who launches the application that the value makes sense. // TODO: Should we be stricter and perform validation? env.HTTP_PROXY = 'Crazy \n!() { ::// }'; testProxyUrl(env, 'Crazy \n!() { ::// }', 'http://wow'); // The implementation assumes that the HTTP_PROXY environment variable is // somewhat reasonable, and if the scheme is missing, it is added. // Garbage in, garbage out some would say... env.HTTP_PROXY = 'crazy without colon slash slash'; testProxyUrl(env, 'http://crazy without colon slash slash', 'http://wow'); }); describe('https_proxy and HTTPS_PROXY', function() { var env = {}; // Assert that there is no fall back to http_proxy env.HTTP_PROXY = 'http://unexpected.proxy'; testProxyUrl(env, '', 'https://example'); env.HTTPS_PROXY = 'http://https-proxy'; testProxyUrl(env, 'http://https-proxy', 'https://example'); // eslint-disable-next-line camelcase env.https_proxy = 'http://priority'; testProxyUrl(env, 'http://priority', 'https://example'); }); describe('ftp_proxy', function() { var env = {}; // Something else than http_proxy / https, as a sanity check. env.FTP_PROXY = 'http://ftp-proxy'; testProxyUrl(env, 'http://ftp-proxy', 'ftp://example'); testProxyUrl(env, '', 'ftps://example'); }); describe('all_proxy', function() { var env = {}; env.ALL_PROXY = 'http://catch-all'; testProxyUrl(env, 'http://catch-all', 'https://example'); // eslint-disable-next-line camelcase env.all_proxy = 'http://priority'; testProxyUrl(env, 'http://priority', 'https://example'); }); describe('all_proxy without scheme', function() { var env = {}; env.ALL_PROXY = 'noscheme'; testProxyUrl(env, 'http://noscheme', 'http://example'); testProxyUrl(env, 'https://noscheme', 'https://example'); // The module does not impose restrictions on the scheme. testProxyUrl(env, 'bogus-scheme://noscheme', 'bogus-scheme://example'); // But the URL should still be valid. testProxyUrl(env, '', 'bogus'); }); describe('no_proxy empty', function() { var env = {}; env.HTTPS_PROXY = 'http://proxy'; // NO_PROXY set but empty. env.NO_PROXY = ''; testProxyUrl(env, 'http://proxy', 'https://example'); // No entries in NO_PROXY (comma). env.NO_PROXY = ','; testProxyUrl(env, 'http://proxy', 'https://example'); // No entries in NO_PROXY (whitespace). env.NO_PROXY = ' '; testProxyUrl(env, 'http://proxy', 'https://example'); // No entries in NO_PROXY (multiple whitespace / commas). env.NO_PROXY = ',\t,,,\n, ,\r'; testProxyUrl(env, 'http://proxy', 'https://example'); }); describe('no_proxy=example (single host)', function() { var env = {}; env.HTTP_PROXY = 'http://proxy'; env.NO_PROXY = 'example'; testProxyUrl(env, '', 'http://example'); testProxyUrl(env, '', 'http://example:80'); testProxyUrl(env, '', 'http://example:0'); testProxyUrl(env, '', 'http://example:1337'); testProxyUrl(env, 'http://proxy', 'http://sub.example'); testProxyUrl(env, 'http://proxy', 'http://prefexample'); testProxyUrl(env, 'http://proxy', 'http://example.no'); testProxyUrl(env, 'http://proxy', 'http://a.b.example'); testProxyUrl(env, 'http://proxy', 'http://host/example'); }); describe('no_proxy=sub.example (subdomain)', function() { var env = {}; env.HTTP_PROXY = 'http://proxy'; env.NO_PROXY = 'sub.example'; testProxyUrl(env, 'http://proxy', 'http://example'); testProxyUrl(env, 'http://proxy', 'http://example:80'); testProxyUrl(env, 'http://proxy', 'http://example:0'); testProxyUrl(env, 'http://proxy', 'http://example:1337'); testProxyUrl(env, '', 'http://sub.example'); testProxyUrl(env, 'http://proxy', 'http://no.sub.example'); testProxyUrl(env, 'http://proxy', 'http://sub-example'); testProxyUrl(env, 'http://proxy', 'http://example.sub'); }); describe('no_proxy=example:80 (host + port)', function() { var env = {}; env.HTTP_PROXY = 'http://proxy'; env.NO_PROXY = 'example:80'; testProxyUrl(env, '', 'http://example'); testProxyUrl(env, '', 'http://example:80'); testProxyUrl(env, '', 'http://example:0'); testProxyUrl(env, 'http://proxy', 'http://example:1337'); testProxyUrl(env, 'http://proxy', 'http://sub.example'); testProxyUrl(env, 'http://proxy', 'http://prefexample'); testProxyUrl(env, 'http://proxy', 'http://example.no'); testProxyUrl(env, 'http://proxy', 'http://a.b.example'); }); describe('no_proxy=.example (host suffix)', function() { var env = {}; env.HTTP_PROXY = 'http://proxy'; env.NO_PROXY = '.example'; testProxyUrl(env, 'http://proxy', 'http://example'); testProxyUrl(env, 'http://proxy', 'http://example:80'); testProxyUrl(env, 'http://proxy', 'http://example:1337'); testProxyUrl(env, '', 'http://sub.example'); testProxyUrl(env, '', 'http://sub.example:80'); testProxyUrl(env, '', 'http://sub.example:1337'); testProxyUrl(env, 'http://proxy', 'http://prefexample'); testProxyUrl(env, 'http://proxy', 'http://example.no'); testProxyUrl(env, '', 'http://a.b.example'); }); describe('no_proxy=*', function() { var env = {}; env.HTTP_PROXY = 'http://proxy'; env.NO_PROXY = '*'; testProxyUrl(env, '', 'http://example.com'); }); describe('no_proxy=*.example (host suffix with *.)', function() { var env = {}; env.HTTP_PROXY = 'http://proxy'; env.NO_PROXY = '*.example'; testProxyUrl(env, 'http://proxy', 'http://example'); testProxyUrl(env, 'http://proxy', 'http://example:80'); testProxyUrl(env, 'http://proxy', 'http://example:1337'); testProxyUrl(env, '', 'http://sub.example'); testProxyUrl(env, '', 'http://sub.example:80'); testProxyUrl(env, '', 'http://sub.example:1337'); testProxyUrl(env, 'http://proxy', 'http://prefexample'); testProxyUrl(env, 'http://proxy', 'http://example.no'); testProxyUrl(env, '', 'http://a.b.example'); }); describe('no_proxy=*example (substring suffix)', function() { var env = {}; env.HTTP_PROXY = 'http://proxy'; env.NO_PROXY = '*example'; testProxyUrl(env, '', 'http://example'); testProxyUrl(env, '', 'http://example:80'); testProxyUrl(env, '', 'http://example:1337'); testProxyUrl(env, '', 'http://sub.example'); testProxyUrl(env, '', 'http://sub.example:80'); testProxyUrl(env, '', 'http://sub.example:1337'); testProxyUrl(env, '', 'http://prefexample'); testProxyUrl(env, '', 'http://a.b.example'); testProxyUrl(env, 'http://proxy', 'http://example.no'); testProxyUrl(env, 'http://proxy', 'http://host/example'); }); describe('no_proxy=.*example (arbitrary wildcards are NOT supported)', function() { var env = {}; env.HTTP_PROXY = 'http://proxy'; env.NO_PROXY = '.*example'; testProxyUrl(env, 'http://proxy', 'http://example'); testProxyUrl(env, 'http://proxy', 'http://sub.example'); testProxyUrl(env, 'http://proxy', 'http://sub.example'); testProxyUrl(env, 'http://proxy', 'http://prefexample'); testProxyUrl(env, 'http://proxy', 'http://x.prefexample'); testProxyUrl(env, 'http://proxy', 'http://a.b.example'); }); describe('no_proxy=[::1],[::2]:80,10.0.0.1,10.0.0.2:80 (IP addresses)', function() { var env = {}; env.HTTP_PROXY = 'http://proxy'; env.NO_PROXY = '[::1],[::2]:80,10.0.0.1,10.0.0.2:80'; testProxyUrl(env, '', 'http://[::1]/'); testProxyUrl(env, '', 'http://[::1]:80/'); testProxyUrl(env, '', 'http://[::1]:1337/'); testProxyUrl(env, '', 'http://[::2]/'); testProxyUrl(env, '', 'http://[::2]:80/'); testProxyUrl(env, 'http://proxy', 'http://[::2]:1337/'); testProxyUrl(env, '', 'http://10.0.0.1/'); testProxyUrl(env, '', 'http://10.0.0.1:80/'); testProxyUrl(env, '', 'http://10.0.0.1:1337/'); testProxyUrl(env, '', 'http://10.0.0.2/'); testProxyUrl(env, '', 'http://10.0.0.2:80/'); testProxyUrl(env, 'http://proxy', 'http://10.0.0.2:1337/'); }); describe('no_proxy=127.0.0.1/32 (CIDR is NOT supported)', function() { var env = {}; env.HTTP_PROXY = 'http://proxy'; env.NO_PROXY = '127.0.0.1/32'; testProxyUrl(env, 'http://proxy', 'http://127.0.0.1'); testProxyUrl(env, 'http://proxy', 'http://127.0.0.1/32'); }); describe('no_proxy=127.0.0.1 does NOT match localhost', function() { var env = {}; env.HTTP_PROXY = 'http://proxy'; env.NO_PROXY = '127.0.0.1'; testProxyUrl(env, '', 'http://127.0.0.1'); // We're not performing DNS queries, so this shouldn't match. testProxyUrl(env, 'http://proxy', 'http://localhost'); }); describe('no_proxy with protocols that have a default port', function() { var env = {}; env.WS_PROXY = 'http://ws'; env.WSS_PROXY = 'http://wss'; env.HTTP_PROXY = 'http://http'; env.HTTPS_PROXY = 'http://https'; env.GOPHER_PROXY = 'http://gopher'; env.FTP_PROXY = 'http://ftp'; env.ALL_PROXY = 'http://all'; env.NO_PROXY = 'xxx:21,xxx:70,xxx:80,xxx:443'; testProxyUrl(env, '', 'http://xxx'); testProxyUrl(env, '', 'http://xxx:80'); testProxyUrl(env, 'http://http', 'http://xxx:1337'); testProxyUrl(env, '', 'ws://xxx'); testProxyUrl(env, '', 'ws://xxx:80'); testProxyUrl(env, 'http://ws', 'ws://xxx:1337'); testProxyUrl(env, '', 'https://xxx'); testProxyUrl(env, '', 'https://xxx:443'); testProxyUrl(env, 'http://https', 'https://xxx:1337'); testProxyUrl(env, '', 'wss://xxx'); testProxyUrl(env, '', 'wss://xxx:443'); testProxyUrl(env, 'http://wss', 'wss://xxx:1337'); testProxyUrl(env, '', 'gopher://xxx'); testProxyUrl(env, '', 'gopher://xxx:70'); testProxyUrl(env, 'http://gopher', 'gopher://xxx:1337'); testProxyUrl(env, '', 'ftp://xxx'); testProxyUrl(env, '', 'ftp://xxx:21'); testProxyUrl(env, 'http://ftp', 'ftp://xxx:1337'); }); describe('no_proxy should not be case-sensitive', function() { var env = {}; env.HTTP_PROXY = 'http://proxy'; env.NO_PROXY = 'XXX,YYY,ZzZ'; testProxyUrl(env, '', 'http://xxx'); testProxyUrl(env, '', 'http://XXX'); testProxyUrl(env, '', 'http://yyy'); testProxyUrl(env, '', 'http://YYY'); testProxyUrl(env, '', 'http://ZzZ'); testProxyUrl(env, '', 'http://zZz'); }); describe('NPM proxy configuration', function() { describe('npm_config_http_proxy should work', function() { var env = {}; // eslint-disable-next-line camelcase env.npm_config_http_proxy = 'http://http-proxy'; testProxyUrl(env, '', 'https://example'); testProxyUrl(env, 'http://http-proxy', 'http://example'); // eslint-disable-next-line camelcase env.npm_config_http_proxy = 'http://priority'; testProxyUrl(env, 'http://priority', 'http://example'); }); // eslint-disable-next-line max-len describe('npm_config_http_proxy should take precedence over HTTP_PROXY and npm_config_proxy', function() { var env = {}; // eslint-disable-next-line camelcase env.npm_config_http_proxy = 'http://http-proxy'; // eslint-disable-next-line camelcase env.npm_config_proxy = 'http://unexpected-proxy'; env.HTTP_PROXY = 'http://unexpected-proxy'; testProxyUrl(env, 'http://http-proxy', 'http://example'); }); describe('npm_config_https_proxy should work', function() { var env = {}; // eslint-disable-next-line camelcase env.npm_config_http_proxy = 'http://unexpected.proxy'; testProxyUrl(env, '', 'https://example'); // eslint-disable-next-line camelcase env.npm_config_https_proxy = 'http://https-proxy'; testProxyUrl(env, 'http://https-proxy', 'https://example'); // eslint-disable-next-line camelcase env.npm_config_https_proxy = 'http://priority'; testProxyUrl(env, 'http://priority', 'https://example'); }); // eslint-disable-next-line max-len describe('npm_config_https_proxy should take precedence over HTTPS_PROXY and npm_config_proxy', function() { var env = {}; // eslint-disable-next-line camelcase env.npm_config_https_proxy = 'http://https-proxy'; // eslint-disable-next-line camelcase env.npm_config_proxy = 'http://unexpected-proxy'; env.HTTPS_PROXY = 'http://unexpected-proxy'; testProxyUrl(env, 'http://https-proxy', 'https://example'); }); describe('npm_config_proxy should work', function() { var env = {}; // eslint-disable-next-line camelcase env.npm_config_proxy = 'http://http-proxy'; testProxyUrl(env, 'http://http-proxy', 'http://example'); testProxyUrl(env, 'http://http-proxy', 'https://example'); // eslint-disable-next-line camelcase env.npm_config_proxy = 'http://priority'; testProxyUrl(env, 'http://priority', 'http://example'); testProxyUrl(env, 'http://priority', 'https://example'); }); // eslint-disable-next-line max-len describe('HTTP_PROXY and HTTPS_PROXY should take precedence over npm_config_proxy', function() { var env = {}; env.HTTP_PROXY = 'http://http-proxy'; env.HTTPS_PROXY = 'http://https-proxy'; // eslint-disable-next-line camelcase env.npm_config_proxy = 'http://unexpected-proxy'; testProxyUrl(env, 'http://http-proxy', 'http://example'); testProxyUrl(env, 'http://https-proxy', 'https://example'); }); describe('npm_config_no_proxy should work', function() { var env = {}; env.HTTP_PROXY = 'http://proxy'; // eslint-disable-next-line camelcase env.npm_config_no_proxy = 'example'; testProxyUrl(env, '', 'http://example'); testProxyUrl(env, 'http://proxy', 'http://otherwebsite'); }); // eslint-disable-next-line max-len describe('npm_config_no_proxy should take precedence over NO_PROXY', function() { var env = {}; env.HTTP_PROXY = 'http://proxy'; env.NO_PROXY = 'otherwebsite'; // eslint-disable-next-line camelcase env.npm_config_no_proxy = 'example'; testProxyUrl(env, '', 'http://example'); testProxyUrl(env, 'http://proxy', 'http://otherwebsite'); }); }); });