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+/* 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');
+ });
+ });
+});
generated by cgit (git 2.34.1) at 2024-10-22 06:39:25 +0000