Detect startup after recent crashes

ts/logging/uploadDebugLog.ts

@@ -0,0 +1,109 @@
+// Copyright 2018-2022 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import type { Response } from 'got';
+import { z } from 'zod';
+import FormData from 'form-data';
+import got from 'got';
+import { gzip } from 'zlib';
+import pify from 'pify';
+import { getUserAgent } from '../util/getUserAgent';
+import { maybeParseUrl } from '../util/url';
+import * as durations from '../util/durations';
+import type { LoggerType } from '../types/Logging';
+
+const BASE_URL = 'https://debuglogs.org';
+
+const UPLOAD_TIMEOUT = { request: durations.MINUTE };
+
+const tokenBodySchema = z
+  .object({
+    fields: z.record(z.unknown()),
+    url: z.string(),
+  })
+  .nonstrict();
+
+const parseTokenBody = (
+  rawBody: unknown
+): { fields: Record<string, unknown>; url: string } => {
+  const body = tokenBodySchema.parse(rawBody);
+
+  const parsedUrl = maybeParseUrl(body.url);
+  if (!parsedUrl) {
+    throw new Error("Token body's URL was not a valid URL");
+  }
+  if (parsedUrl.protocol !== 'https:') {
+    throw new Error("Token body's URL was not HTTPS");
+  }
+
+  return body;
+};
+
+export type UploadOptionsType = Readonly<{
+  content: string | Buffer | Uint8Array;
+  appVersion: string;
+  logger: LoggerType;
+  extension?: string;
+  contentType?: string;
+  compress?: boolean;
+}>;
+
+export const upload = async ({
+  content,
+  appVersion,
+  logger,
+  extension = 'gz',
+  contentType = 'application/gzip',
+  compress = true,
+}: UploadOptionsType): Promise<string> => {
+  const headers = { 'User-Agent': getUserAgent(appVersion) };
+
+  const signedForm = await got.get(BASE_URL, {
+    responseType: 'json',
+    headers,
+    timeout: UPLOAD_TIMEOUT,
+  });
+  const { fields, url } = parseTokenBody(signedForm.body);
+
+  const uploadKey = `${fields.key}.${extension}`;
+
+  const form = new FormData();
+  // The API expects `key` to be the first field:
+  form.append('key', uploadKey);
+  Object.entries(fields)
+    .filter(([key]) => key !== 'key')
+    .forEach(([key, value]) => {
+      form.append(key, value);
+    });
+
+  const contentBuffer = compress
+    ? await pify(gzip)(Buffer.from(content))
+    : Buffer.from(content);
+  form.append('Content-Type', contentType);
+  form.append('file', contentBuffer, {
+    contentType,
+    filename: `signal-desktop-debug-log-${appVersion}.txt.gz`,
+  });
+
+  logger.info('Debug log upload starting...');
+  try {
+    const { statusCode, body } = await got.post(url, {
+      headers,
+      body: form,
+      timeout: UPLOAD_TIMEOUT,
+    });
+    if (statusCode !== 204) {
+      throw new Error(
+        `Failed to upload to S3, got status ${statusCode}, body '${body}'`
+      );
+    }
+  } catch (error) {
+    const response = error.response as Response<string>;
+    throw new Error(
+      `Got threw on upload to S3, got status ${response?.statusCode}, body '${response?.body}'  `
+    );
+  }
+  logger.info('Debug log upload complete.');
+
+  return `${BASE_URL}/${uploadKey}`;
+};