electron/spec/api-web-request-spec.ts

684 строки
24 KiB
TypeScript

import { ipcMain, protocol, session, WebContents, webContents } from 'electron/main';
import { expect } from 'chai';
import * as WebSocket from 'ws';
import { once } from 'node:events';
import * as fs from 'node:fs';
import * as http from 'node:http';
import * as http2 from 'node:http2';
import { Socket } from 'node:net';
import * as path from 'node:path';
import * as qs from 'node:querystring';
import { ReadableStream } from 'node:stream/web';
import * as url from 'node:url';
import { listen, defer } from './lib/spec-helpers';
const fixturesPath = path.resolve(__dirname, 'fixtures');
describe('webRequest module', () => {
const ses = session.defaultSession;
const server = http.createServer((req, res) => {
if (req.url === '/serverRedirect') {
res.statusCode = 301;
res.setHeader('Location', 'http://' + req.rawHeaders[1]);
res.end();
} else if (req.url === '/contentDisposition') {
res.writeHead(200, [
'content-disposition',
Buffer.from('attachment; filename=aa中aa.txt').toString('binary')
]);
const content = req.url;
res.end(content);
} else {
res.setHeader('Custom', ['Header']);
let content = req.url;
if (req.headers.accept === '*/*;test/header') {
content += 'header/received';
}
if (req.headers.origin === 'http://new-origin') {
content += 'new/origin';
}
res.end(content);
}
});
let defaultURL: string;
let http2URL: string;
const certPath = path.join(fixturesPath, 'certificates');
const h2server = http2.createSecureServer({
key: fs.readFileSync(path.join(certPath, 'server.key')),
cert: fs.readFileSync(path.join(certPath, 'server.pem'))
}, async (req, res) => {
if (req.method === 'POST') {
const chunks = [];
for await (const chunk of req) chunks.push(chunk);
res.end(Buffer.concat(chunks).toString('utf8'));
} else {
res.end('<html></html>');
}
});
before(async () => {
protocol.registerStringProtocol('cors', (req, cb) => cb(''));
defaultURL = (await listen(server)).url + '/';
http2URL = (await listen(h2server)).url + '/';
console.log(http2URL);
});
after(() => {
server.close();
h2server.close();
protocol.unregisterProtocol('cors');
});
let contents: WebContents;
// NB. sandbox: true is used because it makes navigations much (~8x) faster.
before(async () => {
contents = (webContents as typeof ElectronInternal.WebContents).create({ sandbox: true });
// const w = new BrowserWindow({webPreferences: {sandbox: true}})
// contents = w.webContents
await contents.loadFile(path.join(fixturesPath, 'pages', 'fetch.html'));
});
after(() => contents.destroy());
async function ajax (url: string, options = {}) {
return contents.executeJavaScript(`ajax("${url}", ${JSON.stringify(options)})`);
}
describe('webRequest.onBeforeRequest', () => {
afterEach(() => {
ses.webRequest.onBeforeRequest(null);
});
const cancel = (details: Electron.OnBeforeRequestListenerDetails, callback: (response: Electron.CallbackResponse) => void) => {
callback({ cancel: true });
};
it('can cancel the request', async () => {
ses.webRequest.onBeforeRequest(cancel);
await expect(ajax(defaultURL)).to.eventually.be.rejected();
});
it('can filter URLs', async () => {
const filter = { urls: [defaultURL + 'filter/*'] };
ses.webRequest.onBeforeRequest(filter, cancel);
const { data } = await ajax(`${defaultURL}nofilter/test`);
expect(data).to.equal('/nofilter/test');
await expect(ajax(`${defaultURL}filter/test`)).to.eventually.be.rejected();
});
it('can filter URLs and types', async () => {
const filter1: Electron.WebRequestFilter = { urls: [defaultURL + 'filter/*'], types: ['xhr'] };
ses.webRequest.onBeforeRequest(filter1, cancel);
const { data } = await ajax(`${defaultURL}nofilter/test`);
expect(data).to.equal('/nofilter/test');
await expect(ajax(`${defaultURL}filter/test`)).to.eventually.be.rejected();
const filter2: Electron.WebRequestFilter = { urls: [defaultURL + 'filter/*'], types: ['stylesheet'] };
ses.webRequest.onBeforeRequest(filter2, cancel);
expect((await ajax(`${defaultURL}nofilter/test`)).data).to.equal('/nofilter/test');
expect((await ajax(`${defaultURL}filter/test`)).data).to.equal('/filter/test');
});
it('receives details object', async () => {
ses.webRequest.onBeforeRequest((details, callback) => {
expect(details.id).to.be.a('number');
expect(details.timestamp).to.be.a('number');
expect(details.webContentsId).to.be.a('number');
expect(details.webContents).to.be.an('object');
expect(details.webContents!.id).to.equal(details.webContentsId);
expect(details.frame).to.be.an('object');
expect(details.url).to.be.a('string').that.is.equal(defaultURL);
expect(details.method).to.be.a('string').that.is.equal('GET');
expect(details.resourceType).to.be.a('string').that.is.equal('xhr');
expect(details.uploadData).to.be.undefined();
callback({});
});
const { data } = await ajax(defaultURL);
expect(data).to.equal('/');
});
it('receives post data in details object', async () => {
const postData = {
name: 'post test',
type: 'string'
};
ses.webRequest.onBeforeRequest((details, callback) => {
expect(details.url).to.equal(defaultURL);
expect(details.method).to.equal('POST');
expect(details.uploadData).to.have.lengthOf(1);
const data = qs.parse(details.uploadData[0].bytes.toString());
expect(data).to.deep.equal(postData);
callback({ cancel: true });
});
await expect(ajax(defaultURL, {
method: 'POST',
body: qs.stringify(postData)
})).to.eventually.be.rejected();
});
it('can redirect the request', async () => {
ses.webRequest.onBeforeRequest((details, callback) => {
if (details.url === defaultURL) {
callback({ redirectURL: `${defaultURL}redirect` });
} else {
callback({});
}
});
const { data } = await ajax(defaultURL);
expect(data).to.equal('/redirect');
});
it('does not crash for redirects', async () => {
ses.webRequest.onBeforeRequest((details, callback) => {
callback({ cancel: false });
});
await ajax(defaultURL + 'serverRedirect');
await ajax(defaultURL + 'serverRedirect');
});
it('works with file:// protocol', async () => {
ses.webRequest.onBeforeRequest((details, callback) => {
callback({ cancel: true });
});
const fileURL = url.format({
pathname: path.join(fixturesPath, 'blank.html').replaceAll('\\', '/'),
protocol: 'file',
slashes: true
});
await expect(ajax(fileURL)).to.eventually.be.rejected();
});
it('can handle a streaming upload', async () => {
// Streaming fetch uploads are only supported on HTTP/2, which is only
// supported over TLS, so...
session.defaultSession.setCertificateVerifyProc((req, cb) => cb(0));
defer(() => {
session.defaultSession.setCertificateVerifyProc(null);
});
const contents = (webContents as typeof ElectronInternal.WebContents).create({ sandbox: true });
defer(() => contents.close());
await contents.loadURL(http2URL);
ses.webRequest.onBeforeRequest((details, callback) => {
callback({});
});
const result = await contents.executeJavaScript(`
const stream = new ReadableStream({
async start(controller) {
controller.enqueue('hello world');
controller.close();
},
}).pipeThrough(new TextEncoderStream());
fetch("${http2URL}", {
method: 'POST',
body: stream,
duplex: 'half',
}).then(r => r.text())
`);
expect(result).to.equal('hello world');
});
it('can handle a streaming upload if the uploadData is read', async () => {
// Streaming fetch uploads are only supported on HTTP/2, which is only
// supported over TLS, so...
session.defaultSession.setCertificateVerifyProc((req, cb) => cb(0));
defer(() => {
session.defaultSession.setCertificateVerifyProc(null);
});
const contents = (webContents as typeof ElectronInternal.WebContents).create({ sandbox: true });
defer(() => contents.close());
await contents.loadURL(http2URL);
function makeStreamFromPipe (pipe: any): ReadableStream {
const buf = new Uint8Array(1024 * 1024 /* 1 MB */);
return new ReadableStream({
async pull (controller) {
try {
const rv = await pipe.read(buf);
if (rv > 0) {
controller.enqueue(buf.subarray(0, rv));
} else {
controller.close();
}
} catch (e) {
controller.error(e);
}
}
});
}
ses.webRequest.onBeforeRequest(async (details, callback) => {
const chunks = [];
for await (const chunk of makeStreamFromPipe((details.uploadData[0] as any).body)) { chunks.push(chunk); }
callback({});
});
const result = await contents.executeJavaScript(`
const stream = new ReadableStream({
async start(controller) {
controller.enqueue('hello world');
controller.close();
},
}).pipeThrough(new TextEncoderStream());
fetch("${http2URL}", {
method: 'POST',
body: stream,
duplex: 'half',
}).then(r => r.text())
`);
// NOTE: since the upload stream was consumed by the onBeforeRequest
// handler, it can't be used again to upload to the actual server.
// This is a limitation of the WebRequest API.
expect(result).to.equal('');
});
});
describe('webRequest.onBeforeSendHeaders', () => {
afterEach(() => {
ses.webRequest.onBeforeSendHeaders(null);
ses.webRequest.onSendHeaders(null);
});
it('receives details object', async () => {
ses.webRequest.onBeforeSendHeaders((details, callback) => {
expect(details.requestHeaders).to.be.an('object');
expect(details.requestHeaders['Foo.Bar']).to.equal('baz');
callback({});
});
const { data } = await ajax(defaultURL, { headers: { 'Foo.Bar': 'baz' } });
expect(data).to.equal('/');
});
it('can change the request headers', async () => {
ses.webRequest.onBeforeSendHeaders((details, callback) => {
const requestHeaders = details.requestHeaders;
requestHeaders.Accept = '*/*;test/header';
callback({ requestHeaders });
});
const { data } = await ajax(defaultURL);
expect(data).to.equal('/header/received');
});
it('can change the request headers on a custom protocol redirect', async () => {
protocol.registerStringProtocol('no-cors', (req, callback) => {
if (req.url === 'no-cors://fake-host/redirect') {
callback({
statusCode: 302,
headers: {
Location: 'no-cors://fake-host'
}
});
} else {
let content = '';
if (req.headers.Accept === '*/*;test/header') {
content = 'header-received';
}
callback(content);
}
});
// Note that we need to do navigation every time after a protocol is
// registered or unregistered, otherwise the new protocol won't be
// recognized by current page when NetworkService is used.
await contents.loadFile(path.join(__dirname, 'fixtures', 'pages', 'fetch.html'));
try {
ses.webRequest.onBeforeSendHeaders((details, callback) => {
const requestHeaders = details.requestHeaders;
requestHeaders.Accept = '*/*;test/header';
callback({ requestHeaders });
});
const { data } = await ajax('no-cors://fake-host/redirect');
expect(data).to.equal('header-received');
} finally {
protocol.unregisterProtocol('no-cors');
}
});
it('can change request origin', async () => {
ses.webRequest.onBeforeSendHeaders((details, callback) => {
const requestHeaders = details.requestHeaders;
requestHeaders.Origin = 'http://new-origin';
callback({ requestHeaders });
});
const { data } = await ajax(defaultURL);
expect(data).to.equal('/new/origin');
});
it('can capture CORS requests', async () => {
let called = false;
ses.webRequest.onBeforeSendHeaders((details, callback) => {
called = true;
callback({ requestHeaders: details.requestHeaders });
});
await ajax('cors://host');
expect(called).to.be.true();
});
it('resets the whole headers', async () => {
const requestHeaders = {
Test: 'header'
};
ses.webRequest.onBeforeSendHeaders((details, callback) => {
callback({ requestHeaders });
});
ses.webRequest.onSendHeaders((details) => {
expect(details.requestHeaders).to.deep.equal(requestHeaders);
});
await ajax(defaultURL);
});
it('leaves headers unchanged when no requestHeaders in callback', async () => {
let originalRequestHeaders: Record<string, string>;
ses.webRequest.onBeforeSendHeaders((details, callback) => {
originalRequestHeaders = details.requestHeaders;
callback({});
});
ses.webRequest.onSendHeaders((details) => {
expect(details.requestHeaders).to.deep.equal(originalRequestHeaders);
});
await ajax(defaultURL);
});
it('works with file:// protocol', async () => {
const requestHeaders = {
Test: 'header'
};
let onSendHeadersCalled = false;
ses.webRequest.onBeforeSendHeaders((details, callback) => {
callback({ requestHeaders });
});
ses.webRequest.onSendHeaders((details) => {
expect(details.requestHeaders).to.deep.equal(requestHeaders);
onSendHeadersCalled = true;
});
await ajax(url.format({
pathname: path.join(fixturesPath, 'blank.html').replaceAll('\\', '/'),
protocol: 'file',
slashes: true
}));
expect(onSendHeadersCalled).to.be.true();
});
});
describe('webRequest.onSendHeaders', () => {
afterEach(() => {
ses.webRequest.onSendHeaders(null);
});
it('receives details object', async () => {
ses.webRequest.onSendHeaders((details) => {
expect(details.requestHeaders).to.be.an('object');
});
const { data } = await ajax(defaultURL);
expect(data).to.equal('/');
});
});
describe('webRequest.onHeadersReceived', () => {
afterEach(() => {
ses.webRequest.onHeadersReceived(null);
});
it('receives details object', async () => {
ses.webRequest.onHeadersReceived((details, callback) => {
expect(details.statusLine).to.equal('HTTP/1.1 200 OK');
expect(details.statusCode).to.equal(200);
expect(details.responseHeaders!.Custom).to.deep.equal(['Header']);
callback({});
});
const { data } = await ajax(defaultURL);
expect(data).to.equal('/');
});
it('can change the response header', async () => {
ses.webRequest.onHeadersReceived((details, callback) => {
const responseHeaders = details.responseHeaders!;
responseHeaders.Custom = ['Changed'] as any;
callback({ responseHeaders });
});
const { headers } = await ajax(defaultURL);
expect(headers).to.to.have.property('custom', 'Changed');
});
it('can change response origin', async () => {
ses.webRequest.onHeadersReceived((details, callback) => {
const responseHeaders = details.responseHeaders!;
responseHeaders['access-control-allow-origin'] = ['http://new-origin'] as any;
callback({ responseHeaders });
});
const { headers } = await ajax(defaultURL);
expect(headers).to.to.have.property('access-control-allow-origin', 'http://new-origin');
});
it('can change headers of CORS responses', async () => {
ses.webRequest.onHeadersReceived((details, callback) => {
const responseHeaders = details.responseHeaders!;
responseHeaders.Custom = ['Changed'] as any;
callback({ responseHeaders });
});
const { headers } = await ajax('cors://host');
expect(headers).to.to.have.property('custom', 'Changed');
});
it('does not change header by default', async () => {
ses.webRequest.onHeadersReceived((details, callback) => {
callback({});
});
const { data, headers } = await ajax(defaultURL);
expect(headers).to.to.have.property('custom', 'Header');
expect(data).to.equal('/');
});
it('does not change content-disposition header by default', async () => {
ses.webRequest.onHeadersReceived((details, callback) => {
expect(details.responseHeaders!['content-disposition']).to.deep.equal(['attachment; filename=aa中aa.txt']);
callback({});
});
const { data, headers } = await ajax(defaultURL + 'contentDisposition');
const disposition = Buffer.from('attachment; filename=aa中aa.txt').toString('binary');
expect(headers).to.to.have.property('content-disposition', disposition);
expect(data).to.equal('/contentDisposition');
});
it('follows server redirect', async () => {
ses.webRequest.onHeadersReceived((details, callback) => {
const responseHeaders = details.responseHeaders;
callback({ responseHeaders });
});
const { headers } = await ajax(defaultURL + 'serverRedirect');
expect(headers).to.to.have.property('custom', 'Header');
});
it('can change the header status', async () => {
ses.webRequest.onHeadersReceived((details, callback) => {
const responseHeaders = details.responseHeaders;
callback({
responseHeaders,
statusLine: 'HTTP/1.1 404 Not Found'
});
});
const { headers } = await ajax(defaultURL);
expect(headers).to.to.have.property('custom', 'Header');
});
});
describe('webRequest.onResponseStarted', () => {
afterEach(() => {
ses.webRequest.onResponseStarted(null);
});
it('receives details object', async () => {
ses.webRequest.onResponseStarted((details) => {
expect(details.fromCache).to.be.a('boolean');
expect(details.statusLine).to.equal('HTTP/1.1 200 OK');
expect(details.statusCode).to.equal(200);
expect(details.responseHeaders!.Custom).to.deep.equal(['Header']);
});
const { data, headers } = await ajax(defaultURL);
expect(headers).to.to.have.property('custom', 'Header');
expect(data).to.equal('/');
});
});
describe('webRequest.onBeforeRedirect', () => {
afterEach(() => {
ses.webRequest.onBeforeRedirect(null);
ses.webRequest.onBeforeRequest(null);
});
it('receives details object', async () => {
const redirectURL = defaultURL + 'redirect';
ses.webRequest.onBeforeRequest((details, callback) => {
if (details.url === defaultURL) {
callback({ redirectURL });
} else {
callback({});
}
});
ses.webRequest.onBeforeRedirect((details) => {
expect(details.fromCache).to.be.a('boolean');
expect(details.statusLine).to.equal('HTTP/1.1 307 Internal Redirect');
expect(details.statusCode).to.equal(307);
expect(details.redirectURL).to.equal(redirectURL);
});
const { data } = await ajax(defaultURL);
expect(data).to.equal('/redirect');
});
});
describe('webRequest.onCompleted', () => {
afterEach(() => {
ses.webRequest.onCompleted(null);
});
it('receives details object', async () => {
ses.webRequest.onCompleted((details) => {
expect(details.fromCache).to.be.a('boolean');
expect(details.statusLine).to.equal('HTTP/1.1 200 OK');
expect(details.statusCode).to.equal(200);
});
const { data } = await ajax(defaultURL);
expect(data).to.equal('/');
});
});
describe('webRequest.onErrorOccurred', () => {
afterEach(() => {
ses.webRequest.onErrorOccurred(null);
ses.webRequest.onBeforeRequest(null);
});
it('receives details object', async () => {
ses.webRequest.onBeforeRequest((details, callback) => {
callback({ cancel: true });
});
ses.webRequest.onErrorOccurred((details) => {
expect(details.error).to.equal('net::ERR_BLOCKED_BY_CLIENT');
});
await expect(ajax(defaultURL)).to.eventually.be.rejected();
});
});
describe('WebSocket connections', () => {
it('can be proxyed', async () => {
// Setup server.
const reqHeaders : { [key: string] : any } = {};
const server = http.createServer((req, res) => {
reqHeaders[req.url!] = req.headers;
res.setHeader('foo1', 'bar1');
res.end('ok');
});
const wss = new WebSocket.Server({ noServer: true });
wss.on('connection', function connection (ws) {
ws.on('message', function incoming (message) {
if (message === 'foo') {
ws.send('bar');
}
});
});
server.on('upgrade', function upgrade (request, socket, head) {
const pathname = new URL(request.url!, `http://${request.headers.host}`).pathname;
if (pathname === '/websocket') {
reqHeaders[request.url!] = request.headers;
wss.handleUpgrade(request, socket as Socket, head, function done (ws) {
wss.emit('connection', ws, request);
});
}
});
// Start server.
const { port } = await listen(server);
// Use a separate session for testing.
const ses = session.fromPartition('WebRequestWebSocket');
// Setup listeners.
const receivedHeaders : { [key: string] : any } = {};
ses.webRequest.onBeforeSendHeaders((details, callback) => {
details.requestHeaders.foo = 'bar';
callback({ requestHeaders: details.requestHeaders });
});
ses.webRequest.onHeadersReceived((details, callback) => {
const pathname = new URL(details.url).pathname;
receivedHeaders[pathname] = details.responseHeaders;
callback({ cancel: false });
});
ses.webRequest.onResponseStarted((details) => {
if (details.url.startsWith('ws://')) {
expect(details.responseHeaders!.Connection[0]).be.equal('Upgrade');
} else if (details.url.startsWith('http')) {
expect(details.responseHeaders!.foo1[0]).be.equal('bar1');
}
});
ses.webRequest.onSendHeaders((details) => {
if (details.url.startsWith('ws://')) {
expect(details.requestHeaders.foo).be.equal('bar');
expect(details.requestHeaders.Upgrade).be.equal('websocket');
} else if (details.url.startsWith('http')) {
expect(details.requestHeaders.foo).be.equal('bar');
}
});
ses.webRequest.onCompleted((details) => {
if (details.url.startsWith('ws://')) {
expect(details.error).be.equal('net::ERR_WS_UPGRADE');
} else if (details.url.startsWith('http')) {
expect(details.error).be.equal('net::OK');
}
});
const contents = (webContents as typeof ElectronInternal.WebContents).create({
session: ses,
nodeIntegration: true,
webSecurity: false,
contextIsolation: false
});
// Cleanup.
after(() => {
contents.destroy();
server.close();
ses.webRequest.onBeforeRequest(null);
ses.webRequest.onBeforeSendHeaders(null);
ses.webRequest.onHeadersReceived(null);
ses.webRequest.onResponseStarted(null);
ses.webRequest.onSendHeaders(null);
ses.webRequest.onCompleted(null);
});
contents.loadFile(path.join(fixturesPath, 'api', 'webrequest.html'), { query: { port: `${port}` } });
await once(ipcMain, 'websocket-success');
expect(receivedHeaders['/websocket'].Upgrade[0]).to.equal('websocket');
expect(receivedHeaders['/'].foo1[0]).to.equal('bar1');
expect(reqHeaders['/websocket'].foo).to.equal('bar');
expect(reqHeaders['/'].foo).to.equal('bar');
});
});
});