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playwright/tests/browsercontext-proxy.spec.ts
Ross Wollman fde427d890
feat(proxy): unify local network proxy behavior (#10719) 
When configuring a proxy, Chromium requires a magic tokens to get some
local network requests to go through the proxy. This has tripped up a
few users, so we make the behavior default to the expected: proxy
everything including the local requests. This matches the other vendors
as well.

NB: This can be disabled via
`PLAYWRIGHT_DISABLE_FORCED_CHROMIUM_PROXIED_LOOPBACK=1`

Supercedes: #8345
Fixes: #10631
2021-12-10 14:01:56 -08:00

378 lines
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/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { browserTest as it, expect } from './config/browserTest';
it.use({
launchOptions: async ({ launchOptions }, use) => {
await use({
...launchOptions,
proxy: { server: 'per-context' }
});
}
});
it.beforeEach(({ server }) => {
server.setRoute('/target.html', async (req, res) => {
res.end('<html><title>Served by the proxy</title></html>');
});
});
it('should throw for missing global proxy on Chromium Windows', async ({ browserName, platform, browserType, server }) => {
it.skip(browserName !== 'chromium' || platform !== 'win32');
let browser;
try {
browser = await browserType.launch({
proxy: undefined,
});
const error = await browser.newContext({ proxy: { server: `localhost:${server.PORT}` } }).catch(e => e);
expect(error.toString()).toContain('Browser needs to be launched with the global proxy');
} finally {
await browser.close();
}
});
it('should work when passing the proxy only on the context level', async ({ browserName, platform, browserType, server, proxyServer }) => {
// Currently an upstream bug in the network stack of Chromium which leads that
// the wrong proxy gets used in the BrowserContext.
it.fixme(browserName === 'chromium' && platform === 'win32');
proxyServer.forwardTo(server.PORT);
let browser;
try {
browser = await browserType.launch({
proxy: undefined,
});
const context = await browser.newContext({
proxy: { server: `localhost:${proxyServer.PORT}` }
});
const page = await context.newPage();
await page.goto('http://non-existent.com/target.html');
expect(proxyServer.requestUrls).toContain('http://non-existent.com/target.html');
expect(await page.title()).toBe('Served by the proxy');
} finally {
await browser.close();
}
});
it('should throw for bad server value', async ({ contextFactory }) => {
const error = await contextFactory({
// @ts-expect-error server must be a string
proxy: { server: 123 }
}).catch(e => e);
expect(error.message).toContain('proxy.server: expected string, got number');
});
it('should use proxy', async ({ contextFactory, server, proxyServer }) => {
proxyServer.forwardTo(server.PORT);
const context = await contextFactory({
proxy: { server: `localhost:${proxyServer.PORT}` }
});
const page = await context.newPage();
await page.goto('http://non-existent.com/target.html');
expect(proxyServer.requestUrls).toContain('http://non-existent.com/target.html');
expect(await page.title()).toBe('Served by the proxy');
await context.close();
});
it.describe('should proxy local network requests', () => {
for (const additionalBypass of [false, true]) {
it.describe(additionalBypass ? 'with other bypasses' : 'by default', () => {
for (const params of [
{
target: 'localhost',
description: 'localhost',
},
{
target: '127.0.0.1',
description: 'loopback address',
},
{
target: '169.254.3.4',
description: 'link-local'
}
]) {
it(`${params.description}`, async ({ platform, browserName, contextFactory, server, proxyServer }) => {
it.fail(browserName === 'webkit' && platform === 'darwin' && additionalBypass && ['localhost', '127.0.0.1'].includes(params.target), 'WK fails to proxy 127.0.0.1 and localhost if additional bypasses are present');
const path = `/target-${additionalBypass}-${params.target}.html`;
server.setRoute(path, async (req, res) => {
res.end('<html><title>Served by the proxy</title></html>');
});
const url = `http://${params.target}:${server.PORT}${path}`;
proxyServer.forwardTo(server.PORT);
const context = await contextFactory({
proxy: { server: `localhost:${proxyServer.PORT}`, bypass: additionalBypass ? '1.non.existent.domain.for.the.test' : undefined }
});
const page = await context.newPage();
await page.goto(url);
expect(proxyServer.requestUrls).toContain(url);
expect(await page.title()).toBe('Served by the proxy');
await page.goto('http://1.non.existent.domain.for.the.test/foo.html').catch(() => {});
if (additionalBypass)
expect(proxyServer.requestUrls).not.toContain('http://1.non.existent.domain.for.the.test/foo.html');
else
expect(proxyServer.requestUrls).toContain('http://1.non.existent.domain.for.the.test/foo.html');
await context.close();
});
}
});
}
});
it('should use ipv6 proxy', async ({ contextFactory, server, proxyServer, browserName }) => {
it.fail(browserName === 'firefox', 'page.goto: NS_ERROR_UNKNOWN_HOST');
it.fail(!!process.env.INSIDE_DOCKER, 'docker does not support IPv6 by default');
proxyServer.forwardTo(server.PORT);
const context = await contextFactory({
proxy: { server: `[0:0:0:0:0:0:0:1]:${proxyServer.PORT}` }
});
const page = await context.newPage();
await page.goto('http://non-existent.com/target.html');
expect(proxyServer.requestUrls).toContain('http://non-existent.com/target.html');
expect(await page.title()).toBe('Served by the proxy');
await context.close();
});
it('should use proxy twice', async ({ contextFactory, server, proxyServer }) => {
proxyServer.forwardTo(server.PORT);
const context = await contextFactory({
proxy: { server: `localhost:${proxyServer.PORT}` }
});
const page = await context.newPage();
await page.goto('http://non-existent.com/target.html');
expect(proxyServer.requestUrls).toContain('http://non-existent.com/target.html');
await page.goto('http://non-existent-2.com/target.html');
expect(proxyServer.requestUrls).toContain('http://non-existent-2.com/target.html');
expect(await page.title()).toBe('Served by the proxy');
await context.close();
});
it('should use proxy for second page', async ({ contextFactory, server, proxyServer }) => {
proxyServer.forwardTo(server.PORT);
const context = await contextFactory({
proxy: { server: `localhost:${proxyServer.PORT}` }
});
const page = await context.newPage();
await page.goto('http://non-existent.com/target.html');
expect(proxyServer.requestUrls).toContain('http://non-existent.com/target.html');
expect(await page.title()).toBe('Served by the proxy');
const page2 = await context.newPage();
proxyServer.requestUrls = [];
await page2.goto('http://non-existent.com/target.html');
expect(proxyServer.requestUrls).toContain('http://non-existent.com/target.html');
expect(await page2.title()).toBe('Served by the proxy');
await context.close();
});
it('should use proxy for https urls', async ({ contextFactory, server, httpsServer, proxyServer }) => {
httpsServer.setRoute('/target.html', async (req, res) => {
res.end('<html><title>Served by https server via proxy</title></html>');
});
proxyServer.forwardTo(httpsServer.PORT);
const context = await contextFactory({
ignoreHTTPSErrors: true,
proxy: { server: `localhost:${proxyServer.PORT}` }
});
const page = await context.newPage();
await page.goto('https://non-existent.com/target.html');
expect(proxyServer.connectHosts).toContain('non-existent.com:443');
expect(await page.title()).toBe('Served by https server via proxy');
await context.close();
});
it('should work with IP:PORT notion', async ({ contextFactory, server, proxyServer }) => {
proxyServer.forwardTo(server.PORT);
const context = await contextFactory({
proxy: { server: `127.0.0.1:${proxyServer.PORT}` }
});
const page = await context.newPage();
await page.goto('http://non-existent.com/target.html');
expect(proxyServer.requestUrls).toContain('http://non-existent.com/target.html');
expect(await page.title()).toBe('Served by the proxy');
await context.close();
});
it('should throw for socks5 authentication', async ({ contextFactory }) => {
const error = await contextFactory({
proxy: { server: `socks5://localhost:1234`, username: 'user', password: 'secret' }
}).catch(e => e);
expect(error.message).toContain('Browser does not support socks5 proxy authentication');
});
it('should throw for socks4 authentication', async ({ contextFactory }) => {
const error = await contextFactory({
proxy: { server: `socks4://localhost:1234`, username: 'user', password: 'secret' }
}).catch(e => e);
expect(error.message).toContain('Socks4 proxy protocol does not support authentication');
});
it('should authenticate', async ({ contextFactory, server, proxyServer }) => {
proxyServer.forwardTo(server.PORT);
let auth;
proxyServer.setAuthHandler(req => {
auth = req.headers['proxy-authorization'];
return !!auth;
});
const context = await contextFactory({
proxy: { server: `localhost:${proxyServer.PORT}`, username: 'user', password: 'secret' }
});
const page = await context.newPage();
await page.goto('http://non-existent.com/target.html');
expect(proxyServer.requestUrls).toContain('http://non-existent.com/target.html');
expect(auth).toBe('Basic ' + Buffer.from('user:secret').toString('base64'));
expect(await page.title()).toBe('Served by the proxy');
await context.close();
});
it('should authenticate with empty password', async ({ contextFactory, server, proxyServer }) => {
proxyServer.forwardTo(server.PORT);
let auth;
proxyServer.setAuthHandler(req => {
auth = req.headers['proxy-authorization'];
return !!auth;
});
const context = await contextFactory({
proxy: { server: `localhost:${proxyServer.PORT}`, username: 'user', password: '' }
});
const page = await context.newPage();
await page.goto('http://non-existent.com/target.html');
expect(auth).toBe('Basic ' + Buffer.from('user:').toString('base64'));
expect(await page.title()).toBe('Served by the proxy');
await context.close();
});
it('should isolate proxy credentials between contexts', async ({ contextFactory, server, browserName, proxyServer }) => {
it.fixme(browserName === 'firefox', 'Credentials from the first context stick around');
proxyServer.forwardTo(server.PORT);
let auth;
proxyServer.setAuthHandler(req => {
auth = req.headers['proxy-authorization'];
return !!auth;
});
{
const context = await contextFactory({
proxy: { server: `localhost:${proxyServer.PORT}`, username: 'user1', password: 'secret1' }
});
const page = await context.newPage();
await page.goto('http://non-existent.com/target.html');
expect(auth).toBe('Basic ' + Buffer.from('user1:secret1').toString('base64'));
expect(await page.title()).toBe('Served by the proxy');
await context.close();
}
auth = undefined;
{
const context = await contextFactory({
proxy: { server: `localhost:${proxyServer.PORT}`, username: 'user2', password: 'secret2' }
});
const page = await context.newPage();
await page.goto('http://non-existent.com/target.html');
expect(await page.title()).toBe('Served by the proxy');
expect(auth).toBe('Basic ' + Buffer.from('user2:secret2').toString('base64'));
await context.close();
}
});
it('should exclude patterns', async ({ contextFactory, server, browserName, headless, proxyServer }) => {
it.fixme(browserName === 'chromium' && !headless, 'Chromium headed crashes with CHECK(!in_frame_tree_) in RenderFrameImpl::OnDeleteFrame.');
proxyServer.forwardTo(server.PORT);
// FYI: using long and weird domain names to avoid ATT DNS hijacking
// that resolves everything to some weird search results page.
//
// @see https://gist.github.com/CollinChaffin/24f6c9652efb3d6d5ef2f5502720ef00
const context = await contextFactory({
proxy: { server: `localhost:${proxyServer.PORT}`, bypass: '1.non.existent.domain.for.the.test, 2.non.existent.domain.for.the.test, .another.test' }
});
const page = await context.newPage();
await page.goto('http://0.non.existent.domain.for.the.test/target.html');
expect(proxyServer.requestUrls).toContain('http://0.non.existent.domain.for.the.test/target.html');
expect(await page.title()).toBe('Served by the proxy');
proxyServer.requestUrls = [];
{
const error = await page.goto('http://1.non.existent.domain.for.the.test/target.html').catch(e => e);
expect(proxyServer.requestUrls).toEqual([]);
expect(error.message).toBeTruthy();
}
{
const error = await page.goto('http://2.non.existent.domain.for.the.test/target.html').catch(e => e);
expect(proxyServer.requestUrls).toEqual([]);
expect(error.message).toBeTruthy();
}
{
const error = await page.goto('http://foo.is.the.another.test/target.html').catch(e => e);
expect(proxyServer.requestUrls).toEqual([]);
expect(error.message).toBeTruthy();
}
{
await page.goto('http://3.non.existent.domain.for.the.test/target.html');
expect(proxyServer.requestUrls).toContain('http://3.non.existent.domain.for.the.test/target.html');
expect(await page.title()).toBe('Served by the proxy');
}
await context.close();
});
it('should use socks proxy', async ({ contextFactory, socksPort }) => {
const context = await contextFactory({
proxy: { server: `socks5://localhost:${socksPort}` }
});
const page = await context.newPage();
await page.goto('http://non-existent.com');
expect(await page.title()).toBe('Served by the SOCKS proxy');
await context.close();
});
it('should use socks proxy in second page', async ({ contextFactory, socksPort }) => {
const context = await contextFactory({
proxy: { server: `socks5://localhost:${socksPort}` }
});
const page = await context.newPage();
await page.goto('http://non-existent.com');
expect(await page.title()).toBe('Served by the SOCKS proxy');
const page2 = await context.newPage();
await page2.goto('http://non-existent.com');
expect(await page2.title()).toBe('Served by the SOCKS proxy');
await context.close();
});
it('does launch without a port', async ({ contextFactory }) => {
const context = await contextFactory({
proxy: { server: 'http://localhost' }
});
await context.close();
});
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