107 lines
2.6 KiB
TypeScript
107 lines
2.6 KiB
TypeScript
// Copyright 2024 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import { tmpdir } from 'os';
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import { readFile, writeFile, mkdtemp } from 'fs/promises';
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import { gunzip as gunzipCb } from 'zlib';
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import { join, basename } from 'path';
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import { promisify } from 'util';
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import { symbolicate } from '@electron/symbolicate-mac';
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import pMap from 'p-map';
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const gunzip = promisify(gunzipCb);
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const INPUT_FILE = process.argv[2];
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if (!INPUT_FILE) {
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throw new Error('Usage: node symbolicate-crash-report.js <input>');
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}
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async function main(): Promise<void> {
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let file = await readFile(INPUT_FILE);
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try {
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file = await gunzip(file);
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} catch (error) {
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console.error('Failed to decompress, perhaps file is a plaintext?');
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}
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const matches = file
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.toString()
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.matchAll(
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/WARN[^\n]*crashReports:\s+dump=\[REDACTED\]([0-9a-z]+).dmp\s+mtime="([\d\-T:.Z]+)"\s+({(\n|.)*?\n})/g
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);
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function moduleName(filename: string | undefined): string {
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if (!filename) {
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return '';
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}
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if (filename.startsWith('signal-desktop-')) {
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return 'electron';
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}
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if (filename.startsWith('Signal') && filename.endsWith('.exe')) {
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return 'electron.exe.pdb';
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}
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return filename;
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}
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const dumps = new Array<string>();
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for (const [, dump, mtime, json] of matches) {
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const out = [];
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let info;
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try {
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info = JSON.parse(json);
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} catch (error) {
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console.error('Failed to parse JSON, ignoring', dump, mtime, error);
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continue;
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}
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out.push(`## dump=${dump} mtime=${mtime}`);
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out.push('');
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out.push('```');
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for (const [index, frame] of info.crashing_thread.frames.entries()) {
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out.push(`${index} ${moduleName(frame.module)} ${frame.offset} () + 0`);
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}
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out.push('');
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for (const m of info.modules) {
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const filename = moduleName(m.filename);
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out.push(
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`${m.base_addr} - ${m.end_addr} ` +
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`${filename.replace(/\s+/g, '-')} (${m.version}) ` +
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`<${m.debug_id.slice(0, -1)}> ${filename}`
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);
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}
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out.push('```');
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dumps.push(out.join('\n'));
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}
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const tmpFolder = await mkdtemp(join(tmpdir(), 'parse-crash-reports'));
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const result = await pMap(
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dumps,
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async (text, i) => {
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const tmpFile = join(tmpFolder, `${i}.txt`);
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await writeFile(tmpFile, text);
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console.error(`Symbolicating: ${tmpFile}`);
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return symbolicate({ file: tmpFile });
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},
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{ concurrency: 1 }
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);
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console.log(`# Crash Report ${basename(INPUT_FILE)}`);
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console.log('');
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console.log(result.join('\n'));
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}
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main().catch(error => {
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console.error(error);
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process.exit(1);
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});
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