111 lines
2.9 KiB
TypeScript
111 lines
2.9 KiB
TypeScript
// Copyright 2022 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import fs from 'fs/promises';
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import path from 'path';
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import http from 'http';
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import https from 'https';
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import { tmpdir } from 'os';
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import { execFile as rawExecFile } from 'child_process';
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import { promisify } from 'util';
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import { strictAssert } from '../util/assert';
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import { wrapEventEmitterOnce } from '../util/wrapEventEmitterOnce';
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import { SignalService as Proto } from '../protobuf';
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const execFile = promisify(rawExecFile);
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const TARGET = 'https://symbols.electronjs.org';
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const proxyServer = http
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.createServer(({ method, url = '/' }, res) => {
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console.log(`Proxy server got request ${method} ${url}`);
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if (method !== 'GET') {
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throw new Error('Unsupported');
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}
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// eslint-disable-next-line no-useless-escape
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const patchedURL = url.replace(/signal-desktop-[^\/.]+/g, 'electron');
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https.get(`${TARGET}${patchedURL}`, remoteRes => {
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res.writeHead(remoteRes.statusCode ?? 500, remoteRes.headers);
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remoteRes.pipe(res);
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});
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})
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.unref();
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async function symbolicate(
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outDir: string,
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fileName: string,
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proxyPort: number
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): Promise<void> {
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const tmpDir = await fs.mkdtemp(path.join(tmpdir(), 'signal-crashe'));
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await fs.mkdir(tmpDir, { recursive: true });
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const encoded = await fs.readFile(fileName);
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const { reports } = Proto.CrashReportList.decode(encoded);
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const { name: prefix } = path.parse(fileName);
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await Promise.all(
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reports.map(async ({ filename: reportName, content }) => {
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if (!reportName || !content) {
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return;
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}
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const { base, name, ext } = path.parse(reportName);
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if (ext !== '.dmp') {
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console.log(`Ignoring ${reportName}, wrong extension`);
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return;
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}
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const dumpFile = path.join(tmpDir, `${prefix}-${base}`);
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console.log(`Extracting to ${dumpFile}`);
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await fs.writeFile(dumpFile, content);
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const outFile = path.join(outDir, `${prefix}-${name}.txt`);
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await execFile('minidump-stackwalk', [
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'--symbols-url',
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`http://127.0.0.1:${proxyPort}`,
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'--output-file',
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outFile,
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dumpFile,
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]);
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console.log(`Symbolicating ${dumpFile} to ${outFile}`);
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})
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);
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}
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async function main(
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outDir: string,
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fileNames: ReadonlyArray<string>
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): Promise<void> {
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await fs.mkdir(outDir, { recursive: true });
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proxyServer.listen(0);
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await wrapEventEmitterOnce(proxyServer, 'listening');
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const addr = proxyServer.address();
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strictAssert(
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typeof addr === 'object' && addr != null,
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'Address has to be an object'
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);
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const { port: proxyPort } = addr;
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console.log(`Proxy server listening on ${proxyPort}`);
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await Promise.all(
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fileNames.map(fileName => symbolicate(outDir, fileName, proxyPort))
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);
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proxyServer.close();
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}
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main(process.argv[2], process.argv.slice(3)).catch(error => {
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console.error(error.stack);
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process.exit(1);
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});
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