electron/spec-main/api-crash-reporter-spec.ts

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import { expect } from 'chai';
import * as childProcess from 'child_process';
import * as http from 'http';
import * as Busboy from 'busboy';
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import * as path from 'path';
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import { ifdescribe, ifit, defer, startRemoteControlApp, delay } from './spec-helpers';
import { app } from 'electron/main';
import { crashReporter } from 'electron/common';
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import { AddressInfo } from 'net';
import { EventEmitter } from 'events';
import * as fs from 'fs';
import * as uuid from 'uuid';
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const isWindowsOnArm = process.platform === 'win32' && process.arch === 'arm64';
const isLinuxOnArm = process.platform === 'linux' && process.arch.includes('arm');
type CrashInfo = {
prod: string
ver: string
process_type: string // eslint-disable-line camelcase
ptype: string
platform: string
_productName: string
_version: string
upload_file_minidump: Buffer // eslint-disable-line camelcase
mainProcessSpecific: 'mps' | undefined
rendererSpecific: 'rs' | undefined
globalParam: 'globalValue' | undefined
addedThenRemoved: 'to-be-removed' | undefined
longParam: string | undefined
}
function checkCrash (expectedProcessType: string, fields: CrashInfo) {
expect(String(fields.prod)).to.equal('Electron', 'prod');
expect(String(fields.ver)).to.equal(process.versions.electron, 'ver');
expect(String(fields.ptype)).to.equal(expectedProcessType, 'ptype');
expect(String(fields.process_type)).to.equal(expectedProcessType, 'process_type');
expect(String(fields.platform)).to.equal(process.platform, 'platform');
expect(String(fields._productName)).to.equal('Zombies', '_productName');
expect(String(fields._version)).to.equal(app.getVersion(), '_version');
expect(fields.upload_file_minidump).to.be.an.instanceOf(Buffer);
// TODO(nornagon): minidumps are sometimes (not always) turning up empty on
// 32-bit Linux. Figure out why.
if (!(process.platform === 'linux' && process.arch === 'ia32')) {
expect(fields.upload_file_minidump.length).to.be.greaterThan(0);
}
}
const startServer = async () => {
const crashes: CrashInfo[] = [];
function getCrashes () { return crashes; }
const emitter = new EventEmitter();
function waitForCrash (): Promise<CrashInfo> {
return new Promise(resolve => {
emitter.once('crash', (crash) => {
resolve(crash);
});
});
}
const server = http.createServer((req, res) => {
const busboy = new Busboy({ headers: req.headers });
const fields = {} as Record<string, any>;
const files = {} as Record<string, Buffer>;
busboy.on('file', (fieldname, file) => {
const chunks = [] as Array<Buffer>;
file.on('data', (chunk) => {
chunks.push(chunk);
});
file.on('end', () => {
files[fieldname] = Buffer.concat(chunks);
});
});
busboy.on('field', (fieldname, val) => {
fields[fieldname] = val;
});
busboy.on('finish', () => {
// breakpad id must be 16 hex digits.
const reportId = Math.random().toString(16).split('.')[1].padStart(16, '0');
res.end(reportId, async () => {
req.socket.destroy();
emitter.emit('crash', { ...fields, ...files });
});
});
req.pipe(busboy);
});
await new Promise(resolve => {
server.listen(0, '127.0.0.1', () => { resolve(); });
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});
const port = (server.address() as AddressInfo).port;
defer(() => { server.close(); });
return { getCrashes, port, waitForCrash };
};
function runApp (appPath: string, args: Array<string> = []) {
const appProcess = childProcess.spawn(process.execPath, [appPath, ...args]);
return new Promise(resolve => {
appProcess.once('exit', resolve);
});
}
function runCrashApp (crashType: string, port: number, extraArgs: Array<string> = []) {
const appPath = path.join(__dirname, 'fixtures', 'apps', 'crash');
return runApp(appPath, [
`--crash-type=${crashType}`,
`--crash-reporter-url=http://127.0.0.1:${port}`,
...extraArgs
]);
}
function waitForNewFileInDir (dir: string): Promise<string[]> {
function readdirIfPresent (dir: string): string[] {
try {
return fs.readdirSync(dir);
} catch (e) {
return [];
}
}
const initialFiles = readdirIfPresent(dir);
return new Promise(resolve => {
const ivl = setInterval(() => {
const newCrashFiles = readdirIfPresent(dir).filter(f => !initialFiles.includes(f));
if (newCrashFiles.length) {
clearInterval(ivl);
resolve(newCrashFiles);
}
}, 1000);
});
}
// TODO(nornagon): Fix tests on linux/arm.
ifdescribe(!isLinuxOnArm && !process.mas && !process.env.DISABLE_CRASH_REPORTER_TESTS)('crashReporter module', function () {
describe('should send minidump', () => {
it('when renderer crashes', async () => {
const { port, waitForCrash } = await startServer();
runCrashApp('renderer', port);
const crash = await waitForCrash();
checkCrash('renderer', crash);
expect(crash.mainProcessSpecific).to.be.undefined();
});
it('when sandboxed renderer crashes', async () => {
const { port, waitForCrash } = await startServer();
runCrashApp('sandboxed-renderer', port);
const crash = await waitForCrash();
checkCrash('renderer', crash);
expect(crash.mainProcessSpecific).to.be.undefined();
});
// TODO(nornagon): Minidump generation in main/node process on Linux/Arm is
// broken (//components/crash prints "Failed to generate minidump"). Figure
// out why.
ifit(!isLinuxOnArm)('when main process crashes', async () => {
const { port, waitForCrash } = await startServer();
runCrashApp('main', port);
const crash = await waitForCrash();
checkCrash('browser', crash);
expect(crash.mainProcessSpecific).to.equal('mps');
});
ifit(!isLinuxOnArm)('when a node process crashes', async () => {
const { port, waitForCrash } = await startServer();
runCrashApp('node', port);
const crash = await waitForCrash();
checkCrash('node', crash);
expect(crash.mainProcessSpecific).to.be.undefined();
expect(crash.rendererSpecific).to.be.undefined();
});
describe('with extra parameters', () => {
it('when renderer crashes', async () => {
const { port, waitForCrash } = await startServer();
runCrashApp('renderer', port, ['--set-extra-parameters-in-renderer']);
const crash = await waitForCrash();
checkCrash('renderer', crash);
expect(crash.mainProcessSpecific).to.be.undefined();
expect(crash.rendererSpecific).to.equal('rs');
expect(crash.addedThenRemoved).to.be.undefined();
});
it('when sandboxed renderer crashes', async () => {
const { port, waitForCrash } = await startServer();
runCrashApp('sandboxed-renderer', port, ['--set-extra-parameters-in-renderer']);
const crash = await waitForCrash();
checkCrash('renderer', crash);
expect(crash.mainProcessSpecific).to.be.undefined();
expect(crash.rendererSpecific).to.equal('rs');
expect(crash.addedThenRemoved).to.be.undefined();
});
});
});
ifdescribe(!isLinuxOnArm)('extra parameter limits', () => {
it('should truncate extra values longer than 127 characters', async () => {
const { port, waitForCrash } = await startServer();
const { remotely } = await startRemoteControlApp();
remotely((port: number) => {
require('electron').crashReporter.start({
submitURL: `http://127.0.0.1:${port}`,
ignoreSystemCrashHandler: true,
extra: { 'longParam': 'a'.repeat(130) }
});
setTimeout(() => process.crash());
}, port);
const crash = await waitForCrash();
expect(crash).to.have.property('longParam', 'a'.repeat(127));
});
it('should omit extra keys with names longer than the maximum', async () => {
const kKeyLengthMax = 39;
const { port, waitForCrash } = await startServer();
const { remotely } = await startRemoteControlApp();
remotely((port: number, kKeyLengthMax: number) => {
require('electron').crashReporter.start({
submitURL: `http://127.0.0.1:${port}`,
ignoreSystemCrashHandler: true,
extra: {
['a'.repeat(kKeyLengthMax + 10)]: 'value',
['b'.repeat(kKeyLengthMax)]: 'value',
'not-long': 'not-long-value'
}
});
require('electron').crashReporter.addExtraParameter('c'.repeat(kKeyLengthMax + 10), 'value');
setTimeout(() => process.crash());
}, port, kKeyLengthMax);
const crash = await waitForCrash();
expect(crash).not.to.have.property('a'.repeat(kKeyLengthMax + 10));
expect(crash).not.to.have.property('a'.repeat(kKeyLengthMax));
expect(crash).to.have.property('b'.repeat(kKeyLengthMax), 'value');
expect(crash).to.have.property('not-long', 'not-long-value');
expect(crash).not.to.have.property('c'.repeat(kKeyLengthMax + 10));
expect(crash).not.to.have.property('c'.repeat(kKeyLengthMax));
});
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});
describe('globalExtra', () => {
ifit(!isLinuxOnArm)('should be sent with main process dumps', async () => {
const { port, waitForCrash } = await startServer();
runCrashApp('main', port, ['--add-global-param=globalParam:globalValue']);
const crash = await waitForCrash();
expect(crash.globalParam).to.equal('globalValue');
});
it('should be sent with renderer process dumps', async () => {
const { port, waitForCrash } = await startServer();
runCrashApp('renderer', port, ['--add-global-param=globalParam:globalValue']);
const crash = await waitForCrash();
expect(crash.globalParam).to.equal('globalValue');
});
it('should be sent with sandboxed renderer process dumps', async () => {
const { port, waitForCrash } = await startServer();
runCrashApp('sandboxed-renderer', port, ['--add-global-param=globalParam:globalValue']);
const crash = await waitForCrash();
expect(crash.globalParam).to.equal('globalValue');
});
ifit(!isLinuxOnArm)('should not be overridden by extra in main process', async () => {
const { port, waitForCrash } = await startServer();
runCrashApp('main', port, ['--add-global-param=mainProcessSpecific:global']);
const crash = await waitForCrash();
expect(crash.mainProcessSpecific).to.equal('global');
});
ifit(!isLinuxOnArm)('should not be overridden by extra in renderer process', async () => {
const { port, waitForCrash } = await startServer();
runCrashApp('main', port, ['--add-global-param=rendererSpecific:global']);
const crash = await waitForCrash();
expect(crash.rendererSpecific).to.equal('global');
});
});
// TODO(nornagon): also test crashing main / sandboxed renderers.
ifit(!isWindowsOnArm)('should not send a minidump when uploadToServer is false', async () => {
const { port, waitForCrash, getCrashes } = await startServer();
waitForCrash().then(() => expect.fail('expected not to receive a dump'));
await runCrashApp('renderer', port, ['--no-upload']);
// wait a sec in case the crash reporter is about to upload a crash
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await delay(1000);
expect(getCrashes()).to.have.length(0);
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});
describe('start() option validation', () => {
it('requires that the submitURL option be specified', () => {
expect(() => {
crashReporter.start({} as any);
}).to.throw('submitURL is a required option to crashReporter.start');
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});
it('can be called twice', async () => {
const { remotely } = await startRemoteControlApp();
await expect(remotely(() => {
const { crashReporter } = require('electron');
crashReporter.start({ submitURL: 'http://127.0.0.1' });
crashReporter.start({ submitURL: 'http://127.0.0.1' });
})).to.be.fulfilled();
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});
});
describe('getUploadedReports', () => {
it('returns an array of reports', async () => {
const { remotely } = await startRemoteControlApp();
await remotely(() => {
require('electron').crashReporter.start({ submitURL: 'http://127.0.0.1' });
});
const reports = await remotely(() => require('electron').crashReporter.getUploadedReports());
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expect(reports).to.be.an('array');
});
});
// TODO(nornagon): re-enable on woa
ifdescribe(!isWindowsOnArm)('getLastCrashReport', () => {
it('returns the last uploaded report', async () => {
const { remotely } = await startRemoteControlApp();
const { port, waitForCrash } = await startServer();
// 0. clear the crash reports directory.
const dir = await remotely(() => require('electron').app.getPath('crashDumps'));
try {
fs.rmdirSync(dir, { recursive: true });
fs.mkdirSync(dir);
} catch (e) { /* ignore */ }
// 1. start the crash reporter.
await remotely((port: number) => {
require('electron').crashReporter.start({
submitURL: `http://127.0.0.1:${port}`,
ignoreSystemCrashHandler: true
});
}, [port]);
// 2. generate a crash in the renderer.
remotely(() => {
const { BrowserWindow } = require('electron');
const bw = new BrowserWindow({ show: false, webPreferences: { nodeIntegration: true } });
bw.loadURL('about:blank');
bw.webContents.executeJavaScript('process.crash()');
});
await waitForCrash();
// 3. get the crash from getLastCrashReport.
const firstReport = await remotely(() => require('electron').crashReporter.getLastCrashReport());
expect(firstReport).to.not.be.null();
expect(firstReport.date).to.be.an.instanceOf(Date);
expect((+new Date()) - (+firstReport.date)).to.be.lessThan(30000);
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});
});
describe('getUploadToServer()', () => {
it('returns true when uploadToServer is set to true (by default)', async () => {
const { remotely } = await startRemoteControlApp();
await remotely(() => { require('electron').crashReporter.start({ submitURL: 'http://127.0.0.1' }); });
const uploadToServer = await remotely(() => require('electron').crashReporter.getUploadToServer());
expect(uploadToServer).to.be.true();
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});
it('returns false when uploadToServer is set to false in init', async () => {
const { remotely } = await startRemoteControlApp();
await remotely(() => { require('electron').crashReporter.start({ submitURL: 'http://127.0.0.1', uploadToServer: false }); });
const uploadToServer = await remotely(() => require('electron').crashReporter.getUploadToServer());
expect(uploadToServer).to.be.false();
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});
it('is updated by setUploadToServer', async () => {
const { remotely } = await startRemoteControlApp();
await remotely(() => { require('electron').crashReporter.start({ submitURL: 'http://127.0.0.1' }); });
await remotely(() => { require('electron').crashReporter.setUploadToServer(false); });
expect(await remotely(() => require('electron').crashReporter.getUploadToServer())).to.be.false();
await remotely(() => { require('electron').crashReporter.setUploadToServer(true); });
expect(await remotely(() => require('electron').crashReporter.getUploadToServer())).to.be.true();
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});
});
describe('getParameters', () => {
it('returns all of the current parameters', async () => {
const { remotely } = await startRemoteControlApp();
await remotely(() => {
require('electron').crashReporter.start({
submitURL: 'http://127.0.0.1',
extra: { 'extra1': 'hi' }
});
});
const parameters = await remotely(() => require('electron').crashReporter.getParameters());
expect(parameters).to.have.property('extra1', 'hi');
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});
it('reflects added and removed parameters', async () => {
const { remotely } = await startRemoteControlApp();
await remotely(() => {
require('electron').crashReporter.start({ submitURL: 'http://127.0.0.1' });
require('electron').crashReporter.addExtraParameter('hello', 'world');
});
{
const parameters = await remotely(() => require('electron').crashReporter.getParameters());
expect(parameters).to.have.property('hello', 'world');
}
await remotely(() => { require('electron').crashReporter.removeExtraParameter('hello'); });
{
const parameters = await remotely(() => require('electron').crashReporter.getParameters());
expect(parameters).not.to.have.property('hello');
}
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});
it('can be called in the renderer', async () => {
const { remotely } = await startRemoteControlApp();
const rendererParameters = await remotely(async () => {
const { crashReporter, BrowserWindow } = require('electron');
crashReporter.start({ submitURL: 'http://' });
const bw = new BrowserWindow({ show: false, webPreferences: { nodeIntegration: true } });
bw.loadURL('about:blank');
await bw.webContents.executeJavaScript(`require('electron').crashReporter.addExtraParameter('hello', 'world')`);
return bw.webContents.executeJavaScript(`require('electron').crashReporter.getParameters()`);
});
if (process.platform === 'linux') {
// On Linux, 'getParameters' will also include the global parameters,
// because breakpad doesn't support global parameters.
expect(rendererParameters).to.have.property('hello', 'world');
} else {
expect(rendererParameters).to.deep.equal({ hello: 'world' });
}
});
it('can be called in a node child process', async () => {
function slurp (stream: NodeJS.ReadableStream): Promise<string> {
return new Promise((resolve, reject) => {
const chunks: Buffer[] = [];
stream.on('data', chunk => { chunks.push(chunk); });
stream.on('end', () => resolve(Buffer.concat(chunks).toString('utf8')));
stream.on('error', e => reject(e));
});
}
const child = childProcess.fork(path.join(__dirname, 'fixtures', 'module', 'print-crash-parameters.js'), [], { silent: true });
const output = await slurp(child.stdout!);
expect(JSON.parse(output)).to.deep.equal({ hello: 'world' });
});
});
describe('crash dumps directory', () => {
it('is set by default', () => {
expect(app.getPath('crashDumps')).to.be.a('string');
});
it('is inside the user data dir', () => {
expect(app.getPath('crashDumps')).to.include(app.getPath('userData'));
});
it('matches getCrashesDirectory', async () => {
expect(app.getPath('crashDumps')).to.equal(require('electron').crashReporter.getCrashesDirectory());
});
function crash (processType: string, remotely: Function) {
if (processType === 'main') {
return remotely(() => {
setTimeout(() => { process.crash(); });
});
} else if (processType === 'renderer') {
return remotely(() => {
const { BrowserWindow } = require('electron');
const bw = new BrowserWindow({ show: false, webPreferences: { nodeIntegration: true } });
bw.loadURL('about:blank');
bw.webContents.executeJavaScript('process.crash()');
});
} else if (processType === 'sandboxed-renderer') {
const preloadPath = path.join(__dirname, 'fixtures', 'apps', 'crash', 'sandbox-preload.js');
return remotely((preload: string) => {
const { BrowserWindow } = require('electron');
const bw = new BrowserWindow({ show: false, webPreferences: { sandbox: true, preload } });
bw.loadURL('about:blank');
}, preloadPath);
} else if (processType === 'node') {
const crashScriptPath = path.join(__dirname, 'fixtures', 'apps', 'crash', 'node-crash.js');
return remotely((crashScriptPath: string) => {
const { app } = require('electron');
const childProcess = require('child_process');
const version = app.getVersion();
const url = 'http://127.0.0.1';
childProcess.fork(crashScriptPath, [url, version], { silent: true });
}, crashScriptPath);
}
}
for (const crashingProcess of ['main', 'renderer', 'sandboxed-renderer', 'node']) {
// TODO(nornagon): breakpad on linux disables itself when uploadToServer
// is false, so we should figure out a different way to test the crash
// dump dir on linux.
ifdescribe(process.platform !== 'linux')(`when ${crashingProcess} crashes`, () => {
it('stores crashes in the crash dump directory when uploadToServer: false', async () => {
const { remotely } = await startRemoteControlApp();
const crashesDir = await remotely(() => {
const { crashReporter } = require('electron');
crashReporter.start({ submitURL: 'http://127.0.0.1', uploadToServer: false, ignoreSystemCrashHandler: true });
return crashReporter.getCrashesDirectory();
});
const reportsDir = process.platform === 'darwin' ? path.join(crashesDir, 'completed') : path.join(crashesDir, 'reports');
const newFileAppeared = waitForNewFileInDir(reportsDir);
crash(crashingProcess, remotely);
const newFiles = await newFileAppeared;
expect(newFiles.length).to.be.greaterThan(0);
expect(newFiles[0]).to.match(/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}\.dmp$/);
});
it('respects an overridden crash dump directory', async () => {
const { remotely } = await startRemoteControlApp();
const crashesDir = path.join(app.getPath('temp'), uuid.v4());
const remoteCrashesDir = await remotely((crashesDir: string) => {
const { crashReporter, app } = require('electron');
app.setPath('crashDumps', crashesDir);
crashReporter.start({ submitURL: 'http://127.0.0.1', uploadToServer: false, ignoreSystemCrashHandler: true });
return crashReporter.getCrashesDirectory();
}, crashesDir);
expect(remoteCrashesDir).to.equal(crashesDir);
const reportsDir = process.platform === 'darwin' ? path.join(crashesDir, 'completed') : path.join(crashesDir, 'reports');
const newFileAppeared = waitForNewFileInDir(reportsDir);
crash(crashingProcess, remotely);
const newFiles = await newFileAppeared;
expect(newFiles.length).to.be.greaterThan(0);
expect(newFiles[0]).to.match(/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}\.dmp$/);
});
});
}
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});
describe('when not started', () => {
it('does not prevent process from crashing', async () => {
const appPath = path.join(__dirname, '..', 'spec', 'fixtures', 'api', 'cookie-app');
await runApp(appPath);
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});
});
});