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api-protocol-spec.ts
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1052 lines (948 loc) · 38.9 KB
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import { expect } from 'chai';
import { v4 } from 'uuid';
import { protocol, webContents, WebContents, session, BrowserWindow, ipcMain } from 'electron/main';
import { AddressInfo } from 'net';
import * as ChildProcess from 'child_process';
import * as path from 'path';
import * as http from 'http';
import * as fs from 'fs';
import * as qs from 'querystring';
import * as stream from 'stream';
import { EventEmitter } from 'events';
import { closeWindow } from './window-helpers';
import { emittedOnce } from './events-helpers';
import { WebmGenerator } from './video-helpers';
import { delay } from './spec-helpers';
const fixturesPath = path.resolve(__dirname, '..', 'spec', 'fixtures');
const registerStringProtocol = protocol.registerStringProtocol;
const registerBufferProtocol = protocol.registerBufferProtocol;
const registerFileProtocol = protocol.registerFileProtocol;
const registerHttpProtocol = protocol.registerHttpProtocol;
const registerStreamProtocol = protocol.registerStreamProtocol;
const interceptStringProtocol = protocol.interceptStringProtocol;
const interceptBufferProtocol = protocol.interceptBufferProtocol;
const interceptHttpProtocol = protocol.interceptHttpProtocol;
const interceptStreamProtocol = protocol.interceptStreamProtocol;
const unregisterProtocol = protocol.unregisterProtocol;
const uninterceptProtocol = protocol.uninterceptProtocol;
const text = 'valar morghulis';
const protocolName = 'no-cors';
const postData = {
name: 'post test',
type: 'string'
};
function getStream (chunkSize = text.length, data: Buffer | string = text) {
const body = new stream.PassThrough();
async function sendChunks () {
await delay(0); // the stream protocol API breaks if you send data immediately.
let buf = Buffer.from(data as any); // nodejs typings are wrong, Buffer.from can take a Buffer
for (;;) {
body.push(buf.slice(0, chunkSize));
buf = buf.slice(chunkSize);
if (!buf.length) {
break;
}
// emulate some network delay
await delay(10);
}
body.push(null);
}
sendChunks();
return body;
}
// A promise that can be resolved externally.
function defer (): Promise<any> & {resolve: Function, reject: Function} {
let promiseResolve: Function = null as unknown as Function;
let promiseReject: Function = null as unknown as Function;
const promise: any = new Promise((resolve, reject) => {
promiseResolve = resolve;
promiseReject = reject;
});
promise.resolve = promiseResolve;
promise.reject = promiseReject;
return promise;
}
describe('protocol module', () => {
let contents: WebContents = null as unknown as WebContents;
// NB. sandbox: true is used because it makes navigations much (~8x) faster.
before(() => { contents = (webContents as any).create({ sandbox: true }); });
after(() => (contents as any).destroy());
async function ajax (url: string, options = {}) {
// 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'));
return contents.executeJavaScript(`ajax("${url}", ${JSON.stringify(options)})`);
}
afterEach(() => {
protocol.unregisterProtocol(protocolName);
protocol.uninterceptProtocol('http');
});
describe('protocol.register(Any)Protocol', () => {
it('fails when scheme is already registered', () => {
expect(registerStringProtocol(protocolName, (req, cb) => cb(''))).to.equal(true);
expect(registerBufferProtocol(protocolName, (req, cb) => cb(Buffer.from('')))).to.equal(false);
});
it('does not crash when handler is called twice', async () => {
registerStringProtocol(protocolName, (request, callback) => {
try {
callback(text);
callback('');
} catch (error) {
// Ignore error
}
});
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.equal(text);
});
it('sends error when callback is called with nothing', async () => {
registerBufferProtocol(protocolName, (req, cb: any) => cb());
await expect(ajax(protocolName + '://fake-host')).to.eventually.be.rejected();
});
it('does not crash when callback is called in next tick', async () => {
registerStringProtocol(protocolName, (request, callback) => {
setImmediate(() => callback(text));
});
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.equal(text);
});
it('can redirect to the same scheme', async () => {
registerStringProtocol(protocolName, (request, callback) => {
if (request.url === `${protocolName}://fake-host/redirect`) {
callback({
statusCode: 302,
headers: {
Location: `${protocolName}://fake-host`
}
});
} else {
expect(request.url).to.equal(`${protocolName}://fake-host`);
callback('redirected');
}
});
const r = await ajax(`${protocolName}://fake-host/redirect`);
expect(r.data).to.equal('redirected');
});
});
describe('protocol.unregisterProtocol', () => {
it('returns false when scheme does not exist', () => {
expect(unregisterProtocol('not-exist')).to.equal(false);
});
});
describe('protocol.registerStringProtocol', () => {
it('sends string as response', async () => {
registerStringProtocol(protocolName, (request, callback) => callback(text));
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.equal(text);
});
it('sets Access-Control-Allow-Origin', async () => {
registerStringProtocol(protocolName, (request, callback) => callback(text));
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.equal(text);
expect(r.headers).to.have.property('access-control-allow-origin', '*');
});
it('sends object as response', async () => {
registerStringProtocol(protocolName, (request, callback) => {
callback({
data: text,
mimeType: 'text/html'
});
});
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.equal(text);
});
it('fails when sending object other than string', async () => {
const notAString = () => {};
registerStringProtocol(protocolName, (request, callback) => callback(notAString as any));
await expect(ajax(protocolName + '://fake-host')).to.be.eventually.rejected();
});
});
describe('protocol.registerBufferProtocol', () => {
const buffer = Buffer.from(text);
it('sends Buffer as response', async () => {
registerBufferProtocol(protocolName, (request, callback) => callback(buffer));
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.equal(text);
});
it('sets Access-Control-Allow-Origin', async () => {
registerBufferProtocol(protocolName, (request, callback) => callback(buffer));
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.equal(text);
expect(r.headers).to.have.property('access-control-allow-origin', '*');
});
it('sends object as response', async () => {
registerBufferProtocol(protocolName, (request, callback) => {
callback({
data: buffer,
mimeType: 'text/html'
});
});
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.equal(text);
});
it('fails when sending string', async () => {
registerBufferProtocol(protocolName, (request, callback) => callback(text as any));
await expect(ajax(protocolName + '://fake-host')).to.be.eventually.rejected();
});
});
describe('protocol.registerFileProtocol', () => {
const filePath = path.join(fixturesPath, 'test.asar', 'a.asar', 'file1');
const fileContent = fs.readFileSync(filePath);
const normalPath = path.join(fixturesPath, 'pages', 'a.html');
const normalContent = fs.readFileSync(normalPath);
it('sends file path as response', async () => {
registerFileProtocol(protocolName, (request, callback) => callback(filePath));
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.equal(String(fileContent));
});
it('sets Access-Control-Allow-Origin', async () => {
registerFileProtocol(protocolName, (request, callback) => callback(filePath));
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.equal(String(fileContent));
expect(r.headers).to.have.property('access-control-allow-origin', '*');
});
it('sets custom headers', async () => {
registerFileProtocol(protocolName, (request, callback) => callback({
path: filePath,
headers: { 'X-Great-Header': 'sogreat' }
}));
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.equal(String(fileContent));
expect(r.headers).to.have.property('x-great-header', 'sogreat');
});
it.skip('throws an error when custom headers are invalid', (done) => {
registerFileProtocol(protocolName, (request, callback) => {
expect(() => callback({
path: filePath,
headers: { 'X-Great-Header': (42 as any) }
})).to.throw(Error, 'Value of \'X-Great-Header\' header has to be a string');
done();
});
ajax(protocolName + '://fake-host').catch(() => {});
});
it('sends object as response', async () => {
registerFileProtocol(protocolName, (request, callback) => callback({ path: filePath }));
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.equal(String(fileContent));
});
it('can send normal file', async () => {
registerFileProtocol(protocolName, (request, callback) => callback(normalPath));
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.equal(String(normalContent));
});
it('fails when sending unexist-file', async () => {
const fakeFilePath = path.join(fixturesPath, 'test.asar', 'a.asar', 'not-exist');
registerFileProtocol(protocolName, (request, callback) => callback(fakeFilePath));
await expect(ajax(protocolName + '://fake-host')).to.be.eventually.rejected();
});
it('fails when sending unsupported content', async () => {
registerFileProtocol(protocolName, (request, callback) => callback(new Date() as any));
await expect(ajax(protocolName + '://fake-host')).to.be.eventually.rejected();
});
});
describe('protocol.registerHttpProtocol', () => {
it('sends url as response', async () => {
const server = http.createServer((req, res) => {
expect(req.headers.accept).to.not.equal('');
res.end(text);
server.close();
});
await new Promise<void>(resolve => server.listen(0, '127.0.0.1', resolve));
const port = (server.address() as AddressInfo).port;
const url = 'http://127.0.0.1:' + port;
registerHttpProtocol(protocolName, (request, callback) => callback({ url }));
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.equal(text);
});
it('fails when sending invalid url', async () => {
registerHttpProtocol(protocolName, (request, callback) => callback({ url: 'url' }));
await expect(ajax(protocolName + '://fake-host')).to.be.eventually.rejected();
});
it('fails when sending unsupported content', async () => {
registerHttpProtocol(protocolName, (request, callback) => callback(new Date() as any));
await expect(ajax(protocolName + '://fake-host')).to.be.eventually.rejected();
});
it('works when target URL redirects', async () => {
const server = http.createServer((req, res) => {
if (req.url === '/serverRedirect') {
res.statusCode = 301;
res.setHeader('Location', `http://${req.rawHeaders[1]}`);
res.end();
} else {
res.end(text);
}
});
after(() => server.close());
await new Promise<void>(resolve => server.listen(0, '127.0.0.1', resolve));
const port = (server.address() as AddressInfo).port;
const url = `${protocolName}://fake-host`;
const redirectURL = `http://127.0.0.1:${port}/serverRedirect`;
registerHttpProtocol(protocolName, (request, callback) => callback({ url: redirectURL }));
const r = await ajax(url);
expect(r.data).to.equal(text);
});
it('can access request headers', (done) => {
protocol.registerHttpProtocol(protocolName, (request) => {
try {
expect(request).to.have.property('headers');
done();
} catch (e) {
done(e);
}
});
ajax(protocolName + '://fake-host').catch(() => {});
});
});
describe('protocol.registerStreamProtocol', () => {
it('sends Stream as response', async () => {
registerStreamProtocol(protocolName, (request, callback) => callback(getStream()));
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.equal(text);
});
it('sends object as response', async () => {
registerStreamProtocol(protocolName, (request, callback) => callback({ data: getStream() }));
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.equal(text);
expect(r.status).to.equal(200);
});
it('sends custom response headers', async () => {
registerStreamProtocol(protocolName, (request, callback) => callback({
data: getStream(3),
headers: {
'x-electron': ['a', 'b']
}
}));
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.equal(text);
expect(r.status).to.equal(200);
expect(r.headers).to.have.property('x-electron', 'a, b');
});
it('sends custom status code', async () => {
registerStreamProtocol(protocolName, (request, callback) => callback({
statusCode: 204,
data: null as any
}));
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.be.empty('data');
expect(r.status).to.equal(204);
});
it('receives request headers', async () => {
registerStreamProtocol(protocolName, (request, callback) => {
callback({
headers: {
'content-type': 'application/json'
},
data: getStream(5, JSON.stringify(Object.assign({}, request.headers)))
});
});
const r = await ajax(protocolName + '://fake-host', { headers: { 'x-return-headers': 'yes' } });
expect(JSON.parse(r.data)['x-return-headers']).to.equal('yes');
});
it('returns response multiple response headers with the same name', async () => {
registerStreamProtocol(protocolName, (request, callback) => {
callback({
headers: {
header1: ['value1', 'value2'],
header2: 'value3'
},
data: getStream()
});
});
const r = await ajax(protocolName + '://fake-host');
// SUBTLE: when the response headers have multiple values it
// separates values by ", ". When the response headers are incorrectly
// converting an array to a string it separates values by ",".
expect(r.headers).to.have.property('header1', 'value1, value2');
expect(r.headers).to.have.property('header2', 'value3');
});
it('can handle large responses', async () => {
const data = Buffer.alloc(128 * 1024);
registerStreamProtocol(protocolName, (request, callback) => {
callback(getStream(data.length, data));
});
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.have.lengthOf(data.length);
});
it('can handle a stream completing while writing', async () => {
function dumbPassthrough () {
return new stream.Transform({
async transform (chunk, encoding, cb) {
cb(null, chunk);
}
});
}
registerStreamProtocol(protocolName, (request, callback) => {
callback({
statusCode: 200,
headers: { 'Content-Type': 'text/plain' },
data: getStream(1024 * 1024, Buffer.alloc(1024 * 1024 * 2)).pipe(dumbPassthrough())
});
});
const r = await ajax(protocolName + '://fake-host');
expect(r.data).to.have.lengthOf(1024 * 1024 * 2);
});
it('can handle next-tick scheduling during read calls', async () => {
const events = new EventEmitter();
function createStream () {
const buffers = [
Buffer.alloc(65536),
Buffer.alloc(65537),
Buffer.alloc(39156)
];
const e = new stream.Readable({ highWaterMark: 0 });
e.push(buffers.shift());
e._read = function () {
process.nextTick(() => this.push(buffers.shift() || null));
};
e.on('end', function () {
events.emit('end');
});
return e;
}
registerStreamProtocol(protocolName, (request, callback) => {
callback({
statusCode: 200,
headers: { 'Content-Type': 'text/plain' },
data: createStream()
});
});
const hasEndedPromise = emittedOnce(events, 'end');
ajax(protocolName + '://fake-host').catch(() => {});
await hasEndedPromise;
});
it('destroys response streams when aborted before completion', async () => {
const events = new EventEmitter();
registerStreamProtocol(protocolName, (request, callback) => {
const responseStream = new stream.PassThrough();
responseStream.push('data\r\n');
responseStream.on('close', () => {
events.emit('close');
});
callback({
statusCode: 200,
headers: { 'Content-Type': 'text/plain' },
data: responseStream
});
events.emit('respond');
});
const hasRespondedPromise = emittedOnce(events, 'respond');
const hasClosedPromise = emittedOnce(events, 'close');
ajax(protocolName + '://fake-host').catch(() => {});
await hasRespondedPromise;
await contents.loadFile(path.join(__dirname, 'fixtures', 'pages', 'fetch.html'));
await hasClosedPromise;
});
});
describe('protocol.isProtocolRegistered', () => {
it('returns false when scheme is not registered', () => {
const result = protocol.isProtocolRegistered('no-exist');
expect(result).to.be.false('no-exist: is handled');
});
it('returns true for custom protocol', () => {
registerStringProtocol(protocolName, (request, callback) => callback(''));
const result = protocol.isProtocolRegistered(protocolName);
expect(result).to.be.true('custom protocol is handled');
});
});
describe('protocol.isProtocolIntercepted', () => {
it('returns true for intercepted protocol', () => {
interceptStringProtocol('http', (request, callback) => callback(''));
const result = protocol.isProtocolIntercepted('http');
expect(result).to.be.true('intercepted protocol is handled');
});
});
describe('protocol.intercept(Any)Protocol', () => {
it('returns false when scheme is already intercepted', () => {
expect(protocol.interceptStringProtocol('http', (request, callback) => callback(''))).to.equal(true);
expect(protocol.interceptBufferProtocol('http', (request, callback) => callback(Buffer.from('')))).to.equal(false);
});
it('does not crash when handler is called twice', async () => {
interceptStringProtocol('http', (request, callback) => {
try {
callback(text);
callback('');
} catch (error) {
// Ignore error
}
});
const r = await ajax('http://fake-host');
expect(r.data).to.be.equal(text);
});
it('sends error when callback is called with nothing', async () => {
interceptStringProtocol('http', (request, callback: any) => callback());
await expect(ajax('http://fake-host')).to.be.eventually.rejected();
});
});
describe('protocol.interceptStringProtocol', () => {
it('can intercept http protocol', async () => {
interceptStringProtocol('http', (request, callback) => callback(text));
const r = await ajax('http://fake-host');
expect(r.data).to.equal(text);
});
it('can set content-type', async () => {
interceptStringProtocol('http', (request, callback) => {
callback({
mimeType: 'application/json',
data: '{"value": 1}'
});
});
const r = await ajax('http://fake-host');
expect(JSON.parse(r.data)).to.have.property('value').that.is.equal(1);
});
it('can set content-type with charset', async () => {
interceptStringProtocol('http', (request, callback) => {
callback({
mimeType: 'application/json; charset=UTF-8',
data: '{"value": 1}'
});
});
const r = await ajax('http://fake-host');
expect(JSON.parse(r.data)).to.have.property('value').that.is.equal(1);
});
it('can receive post data', async () => {
interceptStringProtocol('http', (request, callback) => {
const uploadData = request.uploadData![0].bytes.toString();
callback({ data: uploadData });
});
const r = await ajax('http://fake-host', { method: 'POST', body: qs.stringify(postData) });
expect({ ...qs.parse(r.data) }).to.deep.equal(postData);
});
});
describe('protocol.interceptBufferProtocol', () => {
it('can intercept http protocol', async () => {
interceptBufferProtocol('http', (request, callback) => callback(Buffer.from(text)));
const r = await ajax('http://fake-host');
expect(r.data).to.equal(text);
});
it('can receive post data', async () => {
interceptBufferProtocol('http', (request, callback) => {
const uploadData = request.uploadData![0].bytes;
callback(uploadData);
});
const r = await ajax('http://fake-host', { method: 'POST', body: qs.stringify(postData) });
expect(qs.parse(r.data)).to.deep.equal({ name: 'post test', type: 'string' });
});
});
describe('protocol.interceptHttpProtocol', () => {
// FIXME(zcbenz): This test was passing because the test itself was wrong,
// I don't know whether it ever passed before and we should take a look at
// it in future.
xit('can send POST request', async () => {
const server = http.createServer((req, res) => {
let body = '';
req.on('data', (chunk) => {
body += chunk;
});
req.on('end', () => {
res.end(body);
});
server.close();
});
after(() => server.close());
server.listen(0, '127.0.0.1');
const port = (server.address() as AddressInfo).port;
const url = `http://127.0.0.1:${port}`;
interceptHttpProtocol('http', (request, callback) => {
const data: Electron.ProtocolResponse = {
url: url,
method: 'POST',
uploadData: {
contentType: 'application/x-www-form-urlencoded',
data: request.uploadData![0].bytes
},
session: undefined
};
callback(data);
});
const r = await ajax('http://fake-host', { type: 'POST', data: postData });
expect({ ...qs.parse(r.data) }).to.deep.equal(postData);
});
it('can use custom session', async () => {
const customSession = session.fromPartition('custom-ses', { cache: false });
customSession.webRequest.onBeforeRequest((details, callback) => {
expect(details.url).to.equal('http://fake-host/');
callback({ cancel: true });
});
after(() => customSession.webRequest.onBeforeRequest(null));
interceptHttpProtocol('http', (request, callback) => {
callback({
url: request.url,
session: customSession
});
});
await expect(ajax('http://fake-host')).to.be.eventually.rejectedWith(Error);
});
it('can access request headers', (done) => {
protocol.interceptHttpProtocol('http', (request) => {
try {
expect(request).to.have.property('headers');
done();
} catch (e) {
done(e);
}
});
ajax('http://fake-host').catch(() => {});
});
});
describe('protocol.interceptStreamProtocol', () => {
it('can intercept http protocol', async () => {
interceptStreamProtocol('http', (request, callback) => callback(getStream()));
const r = await ajax('http://fake-host');
expect(r.data).to.equal(text);
});
it('can receive post data', async () => {
interceptStreamProtocol('http', (request, callback) => {
callback(getStream(3, request.uploadData![0].bytes.toString()));
});
const r = await ajax('http://fake-host', { method: 'POST', body: qs.stringify(postData) });
expect({ ...qs.parse(r.data) }).to.deep.equal(postData);
});
it('can execute redirects', async () => {
interceptStreamProtocol('http', (request, callback) => {
if (request.url.indexOf('http://fake-host') === 0) {
setTimeout(() => {
callback({
data: '',
statusCode: 302,
headers: {
Location: 'http://fake-redirect'
}
});
}, 300);
} else {
expect(request.url.indexOf('http://fake-redirect')).to.equal(0);
callback(getStream(1, 'redirect'));
}
});
const r = await ajax('http://fake-host');
expect(r.data).to.equal('redirect');
});
it('should discard post data after redirection', async () => {
interceptStreamProtocol('http', (request, callback) => {
if (request.url.indexOf('http://fake-host') === 0) {
setTimeout(() => {
callback({
statusCode: 302,
headers: {
Location: 'http://fake-redirect'
}
});
}, 300);
} else {
expect(request.url.indexOf('http://fake-redirect')).to.equal(0);
callback(getStream(3, request.method));
}
});
const r = await ajax('http://fake-host', { type: 'POST', data: postData });
expect(r.data).to.equal('GET');
});
});
describe('protocol.uninterceptProtocol', () => {
it('returns false when scheme does not exist', () => {
expect(uninterceptProtocol('not-exist')).to.equal(false);
});
it('returns false when scheme is not intercepted', () => {
expect(uninterceptProtocol('http')).to.equal(false);
});
});
describe('protocol.registerSchemeAsPrivileged', () => {
it('does not crash on exit', async () => {
const appPath = path.join(__dirname, 'fixtures', 'api', 'custom-protocol-shutdown.js');
const appProcess = ChildProcess.spawn(process.execPath, ['--enable-logging', appPath]);
let stdout = '';
let stderr = '';
appProcess.stdout.on('data', data => { process.stdout.write(data); stdout += data; });
appProcess.stderr.on('data', data => { process.stderr.write(data); stderr += data; });
const [code] = await emittedOnce(appProcess, 'exit');
if (code !== 0) {
console.log('Exit code : ', code);
console.log('stdout : ', stdout);
console.log('stderr : ', stderr);
}
expect(code).to.equal(0);
expect(stdout).to.not.contain('VALIDATION_ERROR_DESERIALIZATION_FAILED');
expect(stderr).to.not.contain('VALIDATION_ERROR_DESERIALIZATION_FAILED');
});
});
describe('protocol.registerSchemesAsPrivileged allowServiceWorkers', () => {
protocol.registerStringProtocol(serviceWorkerScheme, (request, cb) => {
if (request.url.endsWith('.js')) {
cb({
mimeType: 'text/javascript',
charset: 'utf-8',
data: 'console.log("Loaded")'
});
} else {
cb({
mimeType: 'text/html',
charset: 'utf-8',
data: '<!DOCTYPE html>'
});
}
});
after(() => protocol.unregisterProtocol(serviceWorkerScheme));
it('should fail when registering invalid service worker', async () => {
await contents.loadURL(`${serviceWorkerScheme}://${v4()}.com`);
await expect(contents.executeJavaScript(`navigator.serviceWorker.register('${v4()}.notjs', {scope: './'})`)).to.be.rejected();
});
// TODO(nornagon): I'm not sure why this isn't working, but I'm choosing to
// disable this test for now to land the roll. See
// https://github.com/electron/electron/issues/32664.
it.skip('should be able to register service worker for custom scheme', async () => {
await contents.loadURL(`${serviceWorkerScheme}://${v4()}.com`);
await contents.executeJavaScript(`navigator.serviceWorker.register('${v4()}.js', {scope: './'})`);
});
});
describe('protocol.registerSchemesAsPrivileged standard', () => {
const origin = `${standardScheme}://fake-host`;
const imageURL = `${origin}/test.png`;
const filePath = path.join(fixturesPath, 'pages', 'b.html');
const fileContent = '<img src="/test.png" />';
let w: BrowserWindow = null as unknown as BrowserWindow;
beforeEach(() => {
w = new BrowserWindow({
show: false,
webPreferences: {
nodeIntegration: true,
contextIsolation: false
}
});
});
afterEach(async () => {
await closeWindow(w);
unregisterProtocol(standardScheme);
w = null as unknown as BrowserWindow;
});
it('resolves relative resources', async () => {
registerFileProtocol(standardScheme, (request, callback) => {
if (request.url === imageURL) {
callback('');
} else {
callback(filePath);
}
});
await w.loadURL(origin);
});
it('resolves absolute resources', async () => {
registerStringProtocol(standardScheme, (request, callback) => {
if (request.url === imageURL) {
callback('');
} else {
callback({
data: fileContent,
mimeType: 'text/html'
});
}
});
await w.loadURL(origin);
});
it('can have fetch working in it', async () => {
const requestReceived = defer();
const server = http.createServer((req, res) => {
res.end();
server.close();
requestReceived.resolve();
});
await new Promise<void>(resolve => server.listen(0, '127.0.0.1', resolve));
const port = (server.address() as AddressInfo).port;
const content = `<script>fetch("http://127.0.0.1:${port}")</script>`;
registerStringProtocol(standardScheme, (request, callback) => callback({ data: content, mimeType: 'text/html' }));
await w.loadURL(origin);
await requestReceived;
});
it.skip('can access files through the FileSystem API', (done) => {
const filePath = path.join(fixturesPath, 'pages', 'filesystem.html');
protocol.registerFileProtocol(standardScheme, (request, callback) => callback({ path: filePath }));
w.loadURL(origin);
ipcMain.once('file-system-error', (event, err) => done(err));
ipcMain.once('file-system-write-end', () => done());
});
it('registers secure, when {secure: true}', (done) => {
const filePath = path.join(fixturesPath, 'pages', 'cache-storage.html');
ipcMain.once('success', () => done());
ipcMain.once('failure', (event, err) => done(err));
protocol.registerFileProtocol(standardScheme, (request, callback) => callback({ path: filePath }));
w.loadURL(origin);
});
});
describe('protocol.registerSchemesAsPrivileged cors-fetch', function () {
let w: BrowserWindow = null as unknown as BrowserWindow;
beforeEach(async () => {
w = new BrowserWindow({ show: false });
});
afterEach(async () => {
await closeWindow(w);
w = null as unknown as BrowserWindow;
for (const scheme of [standardScheme, 'cors', 'no-cors', 'no-fetch']) {
protocol.unregisterProtocol(scheme);
}
});
it('supports fetch api by default', async () => {
const url = `file://${fixturesPath}/assets/logo.png`;
await w.loadURL(`file://${fixturesPath}/pages/blank.html`);
const ok = await w.webContents.executeJavaScript(`fetch(${JSON.stringify(url)}).then(r => r.ok)`);
expect(ok).to.be.true('response ok');
});
it('allows CORS requests by default', async () => {
await allowsCORSRequests('cors', 200, new RegExp(''), () => {
const { ipcRenderer } = require('electron');
fetch('cors://myhost').then(function (response) {
ipcRenderer.send('response', response.status);
}).catch(function () {
ipcRenderer.send('response', 'failed');
});
});
});
// FIXME: Figure out why this test is failing
it.skip('disallows CORS and fetch requests when only supportFetchAPI is specified', async () => {
await allowsCORSRequests('no-cors', ['failed xhr', 'failed fetch'], /has been blocked by CORS policy/, () => {
const { ipcRenderer } = require('electron');
Promise.all([
new Promise(resolve => {
const req = new XMLHttpRequest();
req.onload = () => resolve('loaded xhr');
req.onerror = () => resolve('failed xhr');
req.open('GET', 'no-cors://myhost');
req.send();
}),
fetch('no-cors://myhost')
.then(() => 'loaded fetch')
.catch(() => 'failed fetch')
]).then(([xhr, fetch]) => {
ipcRenderer.send('response', [xhr, fetch]);
});
});
});
it('allows CORS, but disallows fetch requests, when specified', async () => {
await allowsCORSRequests('no-fetch', ['loaded xhr', 'failed fetch'], /Fetch API cannot load/, () => {
const { ipcRenderer } = require('electron');
Promise.all([
new Promise(resolve => {
const req = new XMLHttpRequest();
req.onload = () => resolve('loaded xhr');
req.onerror = () => resolve('failed xhr');
req.open('GET', 'no-fetch://myhost');
req.send();
}),
fetch('no-fetch://myhost')
.then(() => 'loaded fetch')
.catch(() => 'failed fetch')
]).then(([xhr, fetch]) => {
ipcRenderer.send('response', [xhr, fetch]);
});
});
});
async function allowsCORSRequests (corsScheme: string, expected: any, expectedConsole: RegExp, content: Function) {
registerStringProtocol(standardScheme, (request, callback) => {
callback({ data: `<script>(${content})()</script>`, mimeType: 'text/html' });
});
registerStringProtocol(corsScheme, (request, callback) => {
callback('');
});
const newContents: WebContents = (webContents as any).create({ nodeIntegration: true, contextIsolation: false });
const consoleMessages: string[] = [];
newContents.on('console-message', (e, level, message) => consoleMessages.push(message));
try {
newContents.loadURL(standardScheme + '://fake-host');
const [, response] = await emittedOnce(ipcMain, 'response');
expect(response).to.deep.equal(expected);
expect(consoleMessages.join('\n')).to.match(expectedConsole);
} finally {
// This is called in a timeout to avoid a crash that happens when
// calling destroy() in a microtask.
setTimeout(() => {
(newContents as any).destroy();
});
}
}
});
describe('protocol.registerSchemesAsPrivileged stream', async function () {
const pagePath = path.join(fixturesPath, 'pages', 'video.html');
const videoSourceImagePath = path.join(fixturesPath, 'video-source-image.webp');
const videoPath = path.join(fixturesPath, 'video.webm');
let w: BrowserWindow = null as unknown as BrowserWindow;
before(async () => {
// generate test video
const imageBase64 = await fs.promises.readFile(videoSourceImagePath, 'base64');
const imageDataUrl = `data:image/webp;base64,${imageBase64}`;
const encoder = new WebmGenerator(15);
for (let i = 0; i < 30; i++) {
encoder.add(imageDataUrl);
}
await new Promise((resolve, reject) => {
encoder.compile((output:Uint8Array) => {
fs.promises.writeFile(videoPath, output).then(resolve, reject);
});
});
});
after(async () => {
await fs.promises.unlink(videoPath);
});
beforeEach(async function () {
w = new BrowserWindow({ show: false });
await w.loadURL('about:blank');
if (!await w.webContents.executeJavaScript('document.createElement(\'video\').canPlayType(\'video/webm; codecs="vp8.0"\')')) {
this.skip();
}
});
afterEach(async () => {
await closeWindow(w);
w = null as unknown as BrowserWindow;
await protocol.unregisterProtocol(standardScheme);
await protocol.unregisterProtocol('stream');
});
it('successfully plays videos when content is buffered (stream: false)', async () => {
await streamsResponses(standardScheme, 'play');
});
it('successfully plays videos when streaming content (stream: true)', async () => {
await streamsResponses('stream', 'play');