BackgroundTask_targeting.sys.mjs

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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

import { EXIT_CODE } from "resource://gre/modules/BackgroundTasksManager.sys.mjs";

import { ASRouterTargeting } from "resource:///modules/asrouter/ASRouterTargeting.sys.mjs";

// Background tasks are "live" with a temporary profile that doesn't map common

// network preferences to https://mochi.test in the way that regular testing

// profiles do.  Therefore, certain targeting getters will fail due to non-local

// network connections.  Exclude these.

const EXCLUDED_NAMES = [

  "region", // Queries Mozilla Location Services.

  "needsUpdate", // Queries Balrog update server.

];

/**

 * Return 0 (success) if all targeting getters succeed, 11 (failure)

 * otherwise.

*/

export async function runBackgroundTask() {

  let exitCode = EXIT_CODE.SUCCESS;

  // Can't use `ASRouterTargeting.getEnvironmentSnapshot`, since that

  // ignores errors, and this is testing that every getter succeeds.

  let target = ASRouterTargeting.Environment;

  let environment = {};

  for (let name of Object.keys(target)) {

    if (EXCLUDED_NAMES.includes(name)) {

      continue;

    try {

      console.debug(`Fetching property ${name}`);

      environment[name] = await target[name];

    } catch (e) {

      exitCode = 11;

      console.error(`Caught exception for property ${name}:`, e);

  console.log(`ASRouterTargeting.Environment:`, environment);

  console.error(`runBackgroundTask: exiting with status ${exitCode}`);

  return exitCode;