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api-session-spec.ts
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import { expect } from 'chai';
import * as http from 'node:http';
import * as https from 'node:https';
import * as path from 'node:path';
import * as fs from 'node:fs';
import * as ChildProcess from 'node:child_process';
import { app, session, BrowserWindow, net, ipcMain, Session, webFrameMain, WebFrameMain } from 'electron/main';
import * as send from 'send';
import * as auth from 'basic-auth';
import { closeAllWindows } from './lib/window-helpers';
import { defer, listen } from './lib/spec-helpers';
import { once } from 'node:events';
import { setTimeout } from 'node:timers/promises';
describe('session module', () => {
const fixtures = path.resolve(__dirname, 'fixtures');
const url = 'http://127.0.0.1';
describe('session.defaultSession', () => {
it('returns the default session', () => {
expect(session.defaultSession).to.equal(session.fromPartition(''));
});
});
describe('session.fromPartition(partition, options)', () => {
it('returns existing session with same partition', () => {
expect(session.fromPartition('test')).to.equal(session.fromPartition('test'));
});
});
describe('session.fromPath(path)', () => {
it('returns storage path of a session which was created with an absolute path', () => {
const tmppath = require('electron').app.getPath('temp');
const ses = session.fromPath(tmppath);
expect(ses.storagePath).to.equal(tmppath);
});
});
describe('ses.cookies', () => {
const name = '0';
const value = '0';
afterEach(closeAllWindows);
// Clear cookie of defaultSession after each test.
afterEach(async () => {
const { cookies } = session.defaultSession;
const cs = await cookies.get({ url });
for (const c of cs) {
await cookies.remove(url, c.name);
}
});
it('should get cookies', async () => {
const server = http.createServer((req, res) => {
res.setHeader('Set-Cookie', [`${name}=${value}`]);
res.end('finished');
server.close();
});
const { port } = await listen(server);
const w = new BrowserWindow({ show: false });
await w.loadURL(`${url}:${port}`);
const list = await w.webContents.session.cookies.get({ url });
const cookie = list.find(cookie => cookie.name === name);
expect(cookie).to.exist.and.to.have.property('value', value);
});
it('sets cookies', async () => {
const { cookies } = session.defaultSession;
const name = '1';
const value = '1';
await cookies.set({ url, name, value, expirationDate: (Date.now()) / 1000 + 120 });
const c = (await cookies.get({ url }))[0];
expect(c.name).to.equal(name);
expect(c.value).to.equal(value);
expect(c.session).to.equal(false);
});
it('sets session cookies', async () => {
const { cookies } = session.defaultSession;
const name = '2';
const value = '1';
await cookies.set({ url, name, value });
const c = (await cookies.get({ url }))[0];
expect(c.name).to.equal(name);
expect(c.value).to.equal(value);
expect(c.session).to.equal(true);
});
it('sets cookies without name', async () => {
const { cookies } = session.defaultSession;
const value = '3';
await cookies.set({ url, value });
const c = (await cookies.get({ url }))[0];
expect(c.name).to.be.empty();
expect(c.value).to.equal(value);
});
for (const sameSite of <const>['unspecified', 'no_restriction', 'lax', 'strict']) {
it(`sets cookies with samesite=${sameSite}`, async () => {
const { cookies } = session.defaultSession;
const value = 'hithere';
await cookies.set({ url, value, sameSite });
const c = (await cookies.get({ url }))[0];
expect(c.name).to.be.empty();
expect(c.value).to.equal(value);
expect(c.sameSite).to.equal(sameSite);
});
}
it('fails to set cookies with samesite=garbage', async () => {
const { cookies } = session.defaultSession;
const value = 'hithere';
await expect(cookies.set({ url, value, sameSite: 'garbage' as any })).to.eventually.be.rejectedWith('Failed to convert \'garbage\' to an appropriate cookie same site value');
});
it('gets cookies without url', async () => {
const { cookies } = session.defaultSession;
const name = '1';
const value = '1';
await cookies.set({ url, name, value, expirationDate: (Date.now()) / 1000 + 120 });
const cs = await cookies.get({ domain: '127.0.0.1' });
expect(cs.some(c => c.name === name && c.value === value)).to.equal(true);
});
it('yields an error when setting a cookie with missing required fields', async () => {
const { cookies } = session.defaultSession;
const name = '1';
const value = '1';
await expect(
cookies.set({ url: '', name, value })
).to.eventually.be.rejectedWith('Failed to set cookie with an invalid domain attribute');
});
it('yields an error when setting a cookie with an invalid URL', async () => {
const { cookies } = session.defaultSession;
const name = '1';
const value = '1';
await expect(
cookies.set({ url: 'asdf', name, value })
).to.eventually.be.rejectedWith('Failed to set cookie with an invalid domain attribute');
});
it('should overwrite previous cookies', async () => {
const { cookies } = session.defaultSession;
const name = 'DidOverwrite';
for (const value of ['No', 'Yes']) {
await cookies.set({ url, name, value, expirationDate: (Date.now()) / 1000 + 120 });
const list = await cookies.get({ url });
expect(list.some(cookie => cookie.name === name && cookie.value === value)).to.equal(true);
}
});
it('should remove cookies', async () => {
const { cookies } = session.defaultSession;
const name = '2';
const value = '2';
await cookies.set({ url, name, value, expirationDate: (Date.now()) / 1000 + 120 });
await cookies.remove(url, name);
const list = await cookies.get({ url });
expect(list.some(cookie => cookie.name === name && cookie.value === value)).to.equal(false);
});
// DISABLED-FIXME
it('should set cookie for standard scheme', async () => {
const { cookies } = session.defaultSession;
const domain = 'fake-host';
const url = `${standardScheme}://${domain}`;
const name = 'custom';
const value = '1';
await cookies.set({ url, name, value, expirationDate: (Date.now()) / 1000 + 120 });
const list = await cookies.get({ url });
expect(list).to.have.lengthOf(1);
expect(list[0]).to.have.property('name', name);
expect(list[0]).to.have.property('value', value);
expect(list[0]).to.have.property('domain', domain);
});
it('emits a changed event when a cookie is added or removed', async () => {
const { cookies } = session.fromPartition('cookies-changed');
const name = 'foo';
const value = 'bar';
const a = once(cookies, 'changed');
await cookies.set({ url, name, value, expirationDate: (Date.now()) / 1000 + 120 });
const [, setEventCookie, setEventCause, setEventRemoved] = await a;
const b = once(cookies, 'changed');
await cookies.remove(url, name);
const [, removeEventCookie, removeEventCause, removeEventRemoved] = await b;
expect(setEventCookie.name).to.equal(name);
expect(setEventCookie.value).to.equal(value);
expect(setEventCause).to.equal('explicit');
expect(setEventRemoved).to.equal(false);
expect(removeEventCookie.name).to.equal(name);
expect(removeEventCookie.value).to.equal(value);
expect(removeEventCause).to.equal('explicit');
expect(removeEventRemoved).to.equal(true);
});
describe('ses.cookies.flushStore()', async () => {
it('flushes the cookies to disk', async () => {
const name = 'foo';
const value = 'bar';
const { cookies } = session.defaultSession;
await cookies.set({ url, name, value });
await cookies.flushStore();
});
});
it('should survive an app restart for persistent partition', async function () {
this.timeout(60000);
const appPath = path.join(fixtures, 'api', 'cookie-app');
const runAppWithPhase = (phase: string) => {
return new Promise((resolve) => {
let output = '';
const appProcess = ChildProcess.spawn(
process.execPath,
[appPath],
{ env: { PHASE: phase, ...process.env } }
);
appProcess.stdout.on('data', data => { output += data; });
appProcess.on('exit', () => {
resolve(output.replace(/(\r\n|\n|\r)/gm, ''));
});
});
};
expect(await runAppWithPhase('one')).to.equal('011');
expect(await runAppWithPhase('two')).to.equal('110');
});
});
describe('ses.clearStorageData(options)', () => {
afterEach(closeAllWindows);
it('clears localstorage data', async () => {
const w = new BrowserWindow({ show: false, webPreferences: { nodeIntegration: true } });
await w.loadFile(path.join(fixtures, 'api', 'localstorage.html'));
await w.webContents.session.clearStorageData({
origin: 'file://',
storages: ['localstorage'],
quotas: ['temporary']
});
while (await w.webContents.executeJavaScript('localStorage.length') !== 0) {
// The storage clear isn't instantly visible to the renderer, so keep
// trying until it is.
}
});
});
describe('will-download event', () => {
afterEach(closeAllWindows);
it('can cancel default download behavior', async () => {
const w = new BrowserWindow({ show: false });
const mockFile = Buffer.alloc(1024);
const contentDisposition = 'inline; filename="mockFile.txt"';
const downloadServer = http.createServer((req, res) => {
res.writeHead(200, {
'Content-Length': mockFile.length,
'Content-Type': 'application/plain',
'Content-Disposition': contentDisposition
});
res.end(mockFile);
downloadServer.close();
});
const url = (await listen(downloadServer)).url;
const downloadPrevented: Promise<{itemUrl: string, itemFilename: string, item: Electron.DownloadItem}> = new Promise(resolve => {
w.webContents.session.once('will-download', function (e, item) {
e.preventDefault();
resolve({ itemUrl: item.getURL(), itemFilename: item.getFilename(), item });
});
});
w.loadURL(url);
const { item, itemUrl, itemFilename } = await downloadPrevented;
expect(itemUrl).to.equal(url + '/');
expect(itemFilename).to.equal('mockFile.txt');
// Delay till the next tick.
await new Promise(setImmediate);
expect(() => item.getURL()).to.throw('DownloadItem used after being destroyed');
});
});
describe('ses.protocol', () => {
const partitionName = 'temp';
const protocolName = 'sp';
let customSession: Session;
const protocol = session.defaultSession.protocol;
const handler = (ignoredError: any, callback: Function) => {
callback({ data: '<script>require(\'electron\').ipcRenderer.send(\'hello\')</script>', mimeType: 'text/html' });
};
beforeEach(async () => {
customSession = session.fromPartition(partitionName);
await customSession.protocol.registerStringProtocol(protocolName, handler);
});
afterEach(async () => {
await customSession.protocol.unregisterProtocol(protocolName);
customSession = null as any;
});
afterEach(closeAllWindows);
it('does not affect defaultSession', () => {
const result1 = protocol.isProtocolRegistered(protocolName);
expect(result1).to.equal(false);
const result2 = customSession.protocol.isProtocolRegistered(protocolName);
expect(result2).to.equal(true);
});
it('handles requests from partition', async () => {
const w = new BrowserWindow({
show: false,
webPreferences: {
partition: partitionName,
nodeIntegration: true,
contextIsolation: false
}
});
customSession = session.fromPartition(partitionName);
await customSession.protocol.registerStringProtocol(protocolName, handler);
w.loadURL(`${protocolName}://fake-host`);
await once(ipcMain, 'hello');
});
});
describe('ses.setProxy(options)', () => {
let server: http.Server;
let customSession: Electron.Session;
let created = false;
beforeEach(async () => {
customSession = session.fromPartition('proxyconfig');
if (!created) {
// Work around for https://github.com/electron/electron/issues/26166 to
// reduce flake
await setTimeout(100);
created = true;
}
});
afterEach(() => {
if (server) {
server.close();
}
customSession = null as any;
});
it('allows configuring proxy settings', async () => {
const config = { proxyRules: 'http=myproxy:80' };
await customSession.setProxy(config);
const proxy = await customSession.resolveProxy('http://example.com/');
expect(proxy).to.equal('PROXY myproxy:80');
});
it('allows removing the implicit bypass rules for localhost', async () => {
const config = {
proxyRules: 'http=myproxy:80',
proxyBypassRules: '<-loopback>'
};
await customSession.setProxy(config);
const proxy = await customSession.resolveProxy('http://localhost');
expect(proxy).to.equal('PROXY myproxy:80');
});
it('allows configuring proxy settings with pacScript', async () => {
server = http.createServer((req, res) => {
const pac = `
function FindProxyForURL(url, host) {
return "PROXY myproxy:8132";
}
`;
res.writeHead(200, {
'Content-Type': 'application/x-ns-proxy-autoconfig'
});
res.end(pac);
});
const { url } = await listen(server);
{
const config = { pacScript: url };
await customSession.setProxy(config);
const proxy = await customSession.resolveProxy('https://google.com');
expect(proxy).to.equal('PROXY myproxy:8132');
}
{
const config = { mode: 'pac_script' as any, pacScript: url };
await customSession.setProxy(config);
const proxy = await customSession.resolveProxy('https://google.com');
expect(proxy).to.equal('PROXY myproxy:8132');
}
});
it('allows bypassing proxy settings', async () => {
const config = {
proxyRules: 'http=myproxy:80',
proxyBypassRules: '<local>'
};
await customSession.setProxy(config);
const proxy = await customSession.resolveProxy('http://example/');
expect(proxy).to.equal('DIRECT');
});
it('allows configuring proxy settings with mode `direct`', async () => {
const config = { mode: 'direct' as any, proxyRules: 'http=myproxy:80' };
await customSession.setProxy(config);
const proxy = await customSession.resolveProxy('http://example.com/');
expect(proxy).to.equal('DIRECT');
});
it('allows configuring proxy settings with mode `auto_detect`', async () => {
const config = { mode: 'auto_detect' as any };
await customSession.setProxy(config);
});
it('allows configuring proxy settings with mode `pac_script`', async () => {
const config = { mode: 'pac_script' as any };
await customSession.setProxy(config);
const proxy = await customSession.resolveProxy('http://example.com/');
expect(proxy).to.equal('DIRECT');
});
it('allows configuring proxy settings with mode `fixed_servers`', async () => {
const config = { mode: 'fixed_servers' as any, proxyRules: 'http=myproxy:80' };
await customSession.setProxy(config);
const proxy = await customSession.resolveProxy('http://example.com/');
expect(proxy).to.equal('PROXY myproxy:80');
});
it('allows configuring proxy settings with mode `system`', async () => {
const config = { mode: 'system' as any };
await customSession.setProxy(config);
});
it('disallows configuring proxy settings with mode `invalid`', async () => {
const config = { mode: 'invalid' as any };
await expect(customSession.setProxy(config)).to.eventually.be.rejectedWith(/Invalid mode/);
});
it('reload proxy configuration', async () => {
let proxyPort = 8132;
server = http.createServer((req, res) => {
const pac = `
function FindProxyForURL(url, host) {
return "PROXY myproxy:${proxyPort}";
}
`;
res.writeHead(200, {
'Content-Type': 'application/x-ns-proxy-autoconfig'
});
res.end(pac);
});
const { url } = await listen(server);
const config = { mode: 'pac_script' as any, pacScript: url };
await customSession.setProxy(config);
{
const proxy = await customSession.resolveProxy('https://google.com');
expect(proxy).to.equal(`PROXY myproxy:${proxyPort}`);
}
{
proxyPort = 8133;
await customSession.forceReloadProxyConfig();
const proxy = await customSession.resolveProxy('https://google.com');
expect(proxy).to.equal(`PROXY myproxy:${proxyPort}`);
}
});
});
describe('ses.resolveHost(host)', () => {
let customSession: Electron.Session;
beforeEach(async () => {
customSession = session.fromPartition('resolvehost');
});
afterEach(() => {
customSession = null as any;
});
it('resolves ipv4.localhost2', async () => {
const { endpoints } = await customSession.resolveHost('ipv4.localhost2');
expect(endpoints).to.be.a('array');
expect(endpoints).to.have.lengthOf(1);
expect(endpoints[0].family).to.equal('ipv4');
expect(endpoints[0].address).to.equal('10.0.0.1');
});
it('fails to resolve AAAA record for ipv4.localhost2', async () => {
await expect(customSession.resolveHost('ipv4.localhost2', {
queryType: 'AAAA'
}))
.to.eventually.be.rejectedWith(/net::ERR_NAME_NOT_RESOLVED/);
});
it('resolves ipv6.localhost2', async () => {
const { endpoints } = await customSession.resolveHost('ipv6.localhost2');
expect(endpoints).to.be.a('array');
expect(endpoints).to.have.lengthOf(1);
expect(endpoints[0].family).to.equal('ipv6');
expect(endpoints[0].address).to.equal('::1');
});
it('fails to resolve A record for ipv6.localhost2', async () => {
await expect(customSession.resolveHost('notfound.localhost2', {
queryType: 'A'
}))
.to.eventually.be.rejectedWith(/net::ERR_NAME_NOT_RESOLVED/);
});
it('fails to resolve notfound.localhost2', async () => {
await expect(customSession.resolveHost('notfound.localhost2'))
.to.eventually.be.rejectedWith(/net::ERR_NAME_NOT_RESOLVED/);
});
});
describe('ses.getBlobData()', () => {
const scheme = 'cors-blob';
const protocol = session.defaultSession.protocol;
const url = `${scheme}://host`;
after(async () => {
await protocol.unregisterProtocol(scheme);
});
afterEach(closeAllWindows);
it('returns blob data for uuid', (done) => {
const postData = JSON.stringify({
type: 'blob',
value: 'hello'
});
const content = `<html>
<script>
let fd = new FormData();
fd.append('file', new Blob(['${postData}'], {type:'application/json'}));
fetch('${url}', {method:'POST', body: fd });
</script>
</html>`;
protocol.registerStringProtocol(scheme, (request, callback) => {
try {
if (request.method === 'GET') {
callback({ data: content, mimeType: 'text/html' });
} else if (request.method === 'POST') {
const uuid = request.uploadData![1].blobUUID;
expect(uuid).to.be.a('string');
session.defaultSession.getBlobData(uuid!).then(result => {
try {
expect(result.toString()).to.equal(postData);
done();
} catch (e) {
done(e);
}
});
}
} catch (e) {
done(e);
}
});
const w = new BrowserWindow({ show: false });
w.loadURL(url);
});
});
describe('ses.getBlobData2()', () => {
const scheme = 'cors-blob';
const protocol = session.defaultSession.protocol;
const url = `${scheme}://host`;
after(async () => {
await protocol.unregisterProtocol(scheme);
});
afterEach(closeAllWindows);
it('returns blob data for uuid', (done) => {
const content = `<html>
<script>
let fd = new FormData();
fd.append("data", new Blob(new Array(65_537).fill('a')));
fetch('${url}', {method:'POST', body: fd });
</script>
</html>`;
protocol.registerStringProtocol(scheme, (request, callback) => {
try {
if (request.method === 'GET') {
callback({ data: content, mimeType: 'text/html' });
} else if (request.method === 'POST') {
const uuid = request.uploadData![1].blobUUID;
expect(uuid).to.be.a('string');
session.defaultSession.getBlobData(uuid!).then(result => {
try {
const data = new Array(65_537).fill('a');
expect(result.toString()).to.equal(data.join(''));
done();
} catch (e) {
done(e);
}
});
}
} catch (e) {
done(e);
}
});
const w = new BrowserWindow({ show: false });
w.loadURL(url);
});
});
describe('ses.setCertificateVerifyProc(callback)', () => {
let server: http.Server;
let serverUrl: string;
beforeEach(async () => {
const certPath = path.join(fixtures, 'certificates');
const options = {
key: fs.readFileSync(path.join(certPath, 'server.key')),
cert: fs.readFileSync(path.join(certPath, 'server.pem')),
ca: [
fs.readFileSync(path.join(certPath, 'rootCA.pem')),
fs.readFileSync(path.join(certPath, 'intermediateCA.pem'))
],
rejectUnauthorized: false
};
server = https.createServer(options, (req, res) => {
res.writeHead(200);
res.end('<title>hello</title>');
});
serverUrl = (await listen(server)).url;
});
afterEach((done) => {
server.close(done);
});
afterEach(closeAllWindows);
it('accepts the request when the callback is called with 0', async () => {
const ses = session.fromPartition(`${Math.random()}`);
let validate: () => void;
ses.setCertificateVerifyProc(({ hostname, verificationResult, errorCode }, callback) => {
if (hostname !== '127.0.0.1') return callback(-3);
validate = () => {
expect(verificationResult).to.be.oneOf(['net::ERR_CERT_AUTHORITY_INVALID', 'net::ERR_CERT_COMMON_NAME_INVALID']);
expect(errorCode).to.be.oneOf([-202, -200]);
};
callback(0);
});
const w = new BrowserWindow({ show: false, webPreferences: { session: ses } });
await w.loadURL(serverUrl);
expect(w.webContents.getTitle()).to.equal('hello');
expect(validate!).not.to.be.undefined();
validate!();
});
it('rejects the request when the callback is called with -2', async () => {
const ses = session.fromPartition(`${Math.random()}`);
let validate: () => void;
ses.setCertificateVerifyProc(({ hostname, certificate, verificationResult, isIssuedByKnownRoot }, callback) => {
if (hostname !== '127.0.0.1') return callback(-3);
validate = () => {
expect(certificate.issuerName).to.equal('Intermediate CA');
expect(certificate.subjectName).to.equal('localhost');
expect(certificate.issuer.commonName).to.equal('Intermediate CA');
expect(certificate.subject.commonName).to.equal('localhost');
expect(certificate.issuerCert.issuer.commonName).to.equal('Root CA');
expect(certificate.issuerCert.subject.commonName).to.equal('Intermediate CA');
expect(certificate.issuerCert.issuerCert.issuer.commonName).to.equal('Root CA');
expect(certificate.issuerCert.issuerCert.subject.commonName).to.equal('Root CA');
expect(certificate.issuerCert.issuerCert.issuerCert).to.equal(undefined);
expect(verificationResult).to.be.oneOf(['net::ERR_CERT_AUTHORITY_INVALID', 'net::ERR_CERT_COMMON_NAME_INVALID']);
expect(isIssuedByKnownRoot).to.be.false();
};
callback(-2);
});
const w = new BrowserWindow({ show: false, webPreferences: { session: ses } });
await expect(w.loadURL(serverUrl)).to.eventually.be.rejectedWith(/ERR_FAILED/);
expect(validate!).not.to.be.undefined();
validate!();
});
it('saves cached results', async () => {
const ses = session.fromPartition(`${Math.random()}`);
let numVerificationRequests = 0;
ses.setCertificateVerifyProc((e, callback) => {
if (e.hostname !== '127.0.0.1') return callback(-3);
numVerificationRequests++;
callback(-2);
});
const w = new BrowserWindow({ show: false, webPreferences: { session: ses } });
await expect(w.loadURL(serverUrl), 'first load').to.eventually.be.rejectedWith(/ERR_FAILED/);
await once(w.webContents, 'did-stop-loading');
await expect(w.loadURL(serverUrl + '/test'), 'second load').to.eventually.be.rejectedWith(/ERR_FAILED/);
expect(numVerificationRequests).to.equal(1);
});
it('does not cancel requests in other sessions', async () => {
const ses1 = session.fromPartition(`${Math.random()}`);
ses1.setCertificateVerifyProc((opts, cb) => cb(0));
const ses2 = session.fromPartition(`${Math.random()}`);
const req = net.request({ url: serverUrl, session: ses1, credentials: 'include' });
req.end();
setTimeout().then(() => {
ses2.setCertificateVerifyProc((opts, callback) => callback(0));
});
await expect(new Promise<void>((resolve, reject) => {
req.on('error', (err) => {
reject(err);
});
req.on('response', () => {
resolve();
});
})).to.eventually.be.fulfilled();
});
});
describe('ses.clearAuthCache()', () => {
it('can clear http auth info from cache', async () => {
const ses = session.fromPartition('auth-cache');
const server = http.createServer((req, res) => {
const credentials = auth(req);
if (!credentials || credentials.name !== 'test' || credentials.pass !== 'test') {
res.statusCode = 401;
res.setHeader('WWW-Authenticate', 'Basic realm="Restricted"');
res.end();
} else {
res.end('authenticated');
}
});
const { port } = await listen(server);
const fetch = (url: string) => new Promise((resolve, reject) => {
const request = net.request({ url, session: ses });
request.on('response', (response) => {
let data: string | null = null;
response.on('data', (chunk) => {
if (!data) {
data = '';
}
data += chunk;
});
response.on('end', () => {
if (!data) {
reject(new Error('Empty response'));
} else {
resolve(data);
}
});
response.on('error', (error: any) => { reject(new Error(error)); });
});
request.on('error', (error: any) => { reject(new Error(error)); });
request.end();
});
// the first time should throw due to unauthenticated
await expect(fetch(`http://127.0.0.1:${port}`)).to.eventually.be.rejected();
// passing the password should let us in
expect(await fetch(`http://test:[email protected]:${port}`)).to.equal('authenticated');
// subsequently, the credentials are cached
expect(await fetch(`http://127.0.0.1:${port}`)).to.equal('authenticated');
await ses.clearAuthCache();
// once the cache is cleared, we should get an error again
await expect(fetch(`http://127.0.0.1:${port}`)).to.eventually.be.rejected();
});
});
describe('DownloadItem', () => {
const mockPDF = Buffer.alloc(1024 * 1024 * 5);
const downloadFilePath = path.join(__dirname, '..', 'fixtures', 'mock.pdf');
const protocolName = 'custom-dl';
const contentDisposition = 'inline; filename="mock.pdf"';
let port: number;
let downloadServer: http.Server;
before(async () => {
downloadServer = http.createServer((req, res) => {
res.writeHead(200, {
'Content-Length': mockPDF.length,
'Content-Type': 'application/pdf',
'Content-Disposition': req.url === '/?testFilename' ? 'inline' : contentDisposition
});
res.end(mockPDF);
});
port = (await listen(downloadServer)).port;
});
after(async () => {
await new Promise(resolve => downloadServer.close(resolve));
});
afterEach(closeAllWindows);
const isPathEqual = (path1: string, path2: string) => {
return path.relative(path1, path2) === '';
};
const assertDownload = (state: string, item: Electron.DownloadItem, isCustom = false) => {
expect(state).to.equal('completed');
expect(item.getFilename()).to.equal('mock.pdf');
expect(path.isAbsolute(item.savePath)).to.equal(true);
expect(isPathEqual(item.savePath, downloadFilePath)).to.equal(true);
if (isCustom) {
expect(item.getURL()).to.equal(`${protocolName}://item`);
} else {
expect(item.getURL()).to.be.equal(`${url}:${port}/`);
}
expect(item.getMimeType()).to.equal('application/pdf');
expect(item.getReceivedBytes()).to.equal(mockPDF.length);
expect(item.getTotalBytes()).to.equal(mockPDF.length);
expect(item.getContentDisposition()).to.equal(contentDisposition);
expect(fs.existsSync(downloadFilePath)).to.equal(true);
fs.unlinkSync(downloadFilePath);
};
it('can download using session.downloadURL', (done) => {
session.defaultSession.once('will-download', function (e, item) {
item.savePath = downloadFilePath;
item.on('done', function (e, state) {
try {
assertDownload(state, item);
done();
} catch (e) {
done(e);
}
});
});
session.defaultSession.downloadURL(`${url}:${port}`);
});
it('can download using session.downloadURL with a valid auth header', async () => {
const server = http.createServer((req, res) => {
const { authorization } = req.headers;
if (!authorization || authorization !== 'Basic i-am-an-auth-header') {
res.statusCode = 401;
res.setHeader('WWW-Authenticate', 'Basic realm="Restricted"');
res.end();
} else {
res.writeHead(200, {
'Content-Length': mockPDF.length,
'Content-Type': 'application/pdf',
'Content-Disposition': req.url === '/?testFilename' ? 'inline' : contentDisposition
});
res.end(mockPDF);
}
});
const { port } = await listen(server);
const downloadDone: Promise<Electron.DownloadItem> = new Promise((resolve) => {
session.defaultSession.once('will-download', (e, item) => {
item.savePath = downloadFilePath;
item.on('done', () => {
try {
resolve(item);
} catch {}
});
});
});
session.defaultSession.downloadURL(`${url}:${port}`, {
headers: {
Authorization: 'Basic i-am-an-auth-header'
}
});
const item = await downloadDone;
expect(item.getState()).to.equal('completed');
expect(item.getFilename()).to.equal('mock.pdf');
expect(item.getMimeType()).to.equal('application/pdf');
expect(item.getReceivedBytes()).to.equal(mockPDF.length);
expect(item.getTotalBytes()).to.equal(mockPDF.length);
expect(item.getContentDisposition()).to.equal(contentDisposition);
});
it('throws when session.downloadURL is called with invalid headers', () => {
expect(() => {
session.defaultSession.downloadURL(`${url}:${port}`, {
// @ts-ignore this line is intentionally incorrect
headers: 'i-am-a-bad-header'
});
}).to.throw(/Invalid value for headers - must be an object/);
});
it('can download using session.downloadURL with an invalid auth header', async () => {
const server = http.createServer((req, res) => {
const { authorization } = req.headers;
if (!authorization || authorization !== 'Basic i-am-an-auth-header') {
res.statusCode = 401;
res.setHeader('WWW-Authenticate', 'Basic realm="Restricted"');
res.end();
} else {
res.writeHead(200, {
'Content-Length': mockPDF.length,
'Content-Type': 'application/pdf',
'Content-Disposition': req.url === '/?testFilename' ? 'inline' : contentDisposition
});
res.end(mockPDF);
}
});
const { port } = await listen(server);
const downloadFailed: Promise<Electron.DownloadItem> = new Promise((resolve) => {
session.defaultSession.once('will-download', (_, item) => {
item.savePath = downloadFilePath;
item.on('done', (e, state) => {
console.log(state);
try {
resolve(item);
} catch {}
});
});
});
session.defaultSession.downloadURL(`${url}:${port}`, {
headers: {
Authorization: 'wtf-is-this'
}
});
const item = await downloadFailed;
expect(item.getState()).to.equal('interrupted');
expect(item.getReceivedBytes()).to.equal(0);
expect(item.getTotalBytes()).to.equal(0);
});
it('can download using WebContents.downloadURL', (done) => {
const w = new BrowserWindow({ show: false });
w.webContents.session.once('will-download', function (e, item) {
item.savePath = downloadFilePath;
item.on('done', function (e, state) {
try {
assertDownload(state, item);
done();
} catch (e) {
done(e);
}
});
});
w.webContents.downloadURL(`${url}:${port}`);
});
it('can download from custom protocols using WebContents.downloadURL', (done) => {
const protocol = session.defaultSession.protocol;
const handler = (ignoredError: any, callback: Function) => {
callback({ url: `${url}:${port}` });
};
protocol.registerHttpProtocol(protocolName, handler);
const w = new BrowserWindow({ show: false });
w.webContents.session.once('will-download', function (e, item) {
item.savePath = downloadFilePath;
item.on('done', function (e, state) {
try {
assertDownload(state, item, true);
done();
} catch (e) {
done(e);
}
});
});
w.webContents.downloadURL(`${protocolName}://item`);
});
it('can download using WebView.downloadURL', async () => {
const w = new BrowserWindow({ show: false, webPreferences: { webviewTag: true } });
await w.loadURL('about:blank');
function webviewDownload ({ fixtures, url, port }: {fixtures: string, url: string, port: string}) {
const webview = new (window as any).WebView();
webview.addEventListener('did-finish-load', () => {
webview.downloadURL(`${url}:${port}/`);
});
webview.src = `file://${fixtures}/api/blank.html`;
document.body.appendChild(webview);
}
const done: Promise<[string, Electron.DownloadItem]> = new Promise(resolve => {
w.webContents.session.once('will-download', function (e, item) {
item.savePath = downloadFilePath;
item.on('done', function (e, state) {
resolve([state, item]);
});
});
});
await w.webContents.executeJavaScript(`(${webviewDownload})(${JSON.stringify({ fixtures, url, port })})`);
const [state, item] = await done;
assertDownload(state, item);