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// This tests that when the `NODE_USE_ENV_PROXY` environment variable is set to 1, Node.js
// correctly uses the `HTTPS_PROXY` or `https_proxy` environment variable to proxy HTTPS requests
// via a tunnel.
import * as common from '../common/index.mjs';
import fixtures from '../common/fixtures.js';
import assert from 'node:assert';
import http from 'node:http';
import { once } from 'events';
import { createProxyServer, runProxiedRequest } from '../common/proxy-server.js';
if (!common.hasCrypto) {
common.skip('missing crypto');
}
// https must be dynamically imported so that builds without crypto support
// can skip it.
const { default: https } = await import('node:https');
// Start a server to process the final request.
const server = https.createServer({
cert: fixtures.readKey('agent8-cert.pem'),
key: fixtures.readKey('agent8-key.pem'),
}, common.mustCall((req, res) => {
res.end('Hello world');
}, common.isWindows ? 2 : 3));
server.on('error', common.mustNotCall((err) => { console.error('Server error', err); }));
server.listen(0);
await once(server, 'listening');
// Start a minimal proxy server.
const { proxy, logs } = createProxyServer();
proxy.listen(0);
await once(proxy, 'listening');
const serverHost = `localhost:${server.address().port}`;
const requestUrl = `https://${serverHost}/test`;
const expectedLogs = [{
method: 'CONNECT',
url: serverHost,
headers: {
'proxy-connection': 'keep-alive',
'host': serverHost,
},
}];
// Check upper-cased HTTPS_PROXY environment variable.
{
const { code, signal, stderr, stdout } = await runProxiedRequest({
NODE_USE_ENV_PROXY: 1,
REQUEST_URL: requestUrl,
HTTPS_PROXY: `http://localhost:${proxy.address().port}`,
NODE_EXTRA_CA_CERTS: fixtures.path('keys', 'fake-startcom-root-cert.pem'),
});
assert.deepStrictEqual(logs, expectedLogs);
assert.strictEqual(stderr.trim(), '');
assert.match(stdout, /Hello world/);
assert.strictEqual(code, 0);
assert.strictEqual(signal, null);
}
// Check lower-cased https_proxy environment variable.
{
logs.splice(0, logs.length);
const { code, signal, stderr, stdout } = await runProxiedRequest({
NODE_USE_ENV_PROXY: 1,
REQUEST_URL: requestUrl,
https_proxy: `http://localhost:${proxy.address().port}`,
NODE_EXTRA_CA_CERTS: fixtures.path('keys', 'fake-startcom-root-cert.pem'),
});
assert.deepStrictEqual(logs, expectedLogs);
assert.strictEqual(stderr.trim(), '');
assert.match(stdout, /Hello world/);
assert.strictEqual(code, 0);
assert.strictEqual(signal, null);
}
// Check that the lower-cased https_proxy environment variable takes precedence over the
// upper-cased HTTPS_PROXY.
// On Windows, environment variables are case-insensitive, so this test is not applicable.
if (!common.isWindows) {
const proxy2 = http.createServer(common.mustNotCall());
proxy2.on('connect', common.mustNotCall());
proxy2.listen(0);
await once(proxy2, 'listening');
// Check lower-cased http_proxy environment variable takes precedence.
logs.splice(0, logs.length);
const { code, signal, stderr, stdout } = await runProxiedRequest({
NODE_USE_ENV_PROXY: 1,
REQUEST_URL: requestUrl,
https_proxy: `http://localhost:${proxy.address().port}`,
HTTPS_PROXY: `http://localhost:${proxy2.address().port}`,
NODE_EXTRA_CA_CERTS: fixtures.path('keys', 'fake-startcom-root-cert.pem'),
});
assert.deepStrictEqual(logs, expectedLogs);
assert.strictEqual(stderr.trim(), '');
assert.match(stdout, /Hello world/);
assert.strictEqual(code, 0);
assert.strictEqual(signal, null);
proxy2.close();
}
proxy.close();
server.close();