103 lines
3.1 KiB
JavaScript
103 lines
3.1 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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import { BackupResource } from "resource:///modules/backup/BackupResource.sys.mjs";
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const lazy = {};
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ChromeUtils.defineESModuleGetters(lazy, {
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ActivityStreamStorage:
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"resource://activity-stream/lib/ActivityStreamStorage.sys.mjs",
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});
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/**
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* Class representing miscellaneous files for telemetry, site storage,
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* media device origin mapping, chrome privileged IndexedDB databases,
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* and Mozilla Accounts within a user profile.
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*/
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export class MiscDataBackupResource extends BackupResource {
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static get key() {
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return "miscellaneous";
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}
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static get requiresEncryption() {
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return false;
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}
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async backup(stagingPath, profilePath = PathUtils.profileDir) {
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const files = [
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"times.json",
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"enumerate_devices.txt",
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"SiteSecurityServiceState.bin",
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];
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await BackupResource.copyFiles(profilePath, stagingPath, files);
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const sqliteDatabases = ["protections.sqlite"];
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await BackupResource.copySqliteDatabases(
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profilePath,
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stagingPath,
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sqliteDatabases
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);
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// Bug 1890585 - we don't currently have the ability to copy the
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// chrome-privileged IndexedDB databases under storage/permanent/chrome.
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// Instead, we'll manually export any IndexedDB data we need to backup
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// to a separate JSON file.
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// The first IndexedDB database we want to back up is the ActivityStream
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// one - specifically, the "snippets" table, as this contains information
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// on ASRouter impressions, blocked messages, message group impressions,
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// etc.
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const SNIPPETS_TABLE_NAME = "snippets";
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let storage = new lazy.ActivityStreamStorage({
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storeNames: [SNIPPETS_TABLE_NAME],
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});
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let snippetsTable = await storage.getDbTable(SNIPPETS_TABLE_NAME);
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let snippetsObj = {};
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for (let key of await snippetsTable.getAllKeys()) {
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snippetsObj[key] = await snippetsTable.get(key);
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}
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let snippetsBackupFile = PathUtils.join(
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stagingPath,
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"activity-stream-snippets.json"
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);
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await IOUtils.writeJSON(snippetsBackupFile, snippetsObj);
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return null;
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}
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async measure(profilePath = PathUtils.profileDir) {
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const files = [
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"times.json",
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"enumerate_devices.txt",
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"protections.sqlite",
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"SiteSecurityServiceState.bin",
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];
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let fullSize = 0;
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for (let filePath of files) {
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let resourcePath = PathUtils.join(profilePath, filePath);
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let resourceSize = await BackupResource.getFileSize(resourcePath);
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if (Number.isInteger(resourceSize)) {
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fullSize += resourceSize;
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}
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}
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let chromeIndexedDBDirPath = PathUtils.join(
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profilePath,
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"storage",
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"permanent",
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"chrome"
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);
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let chromeIndexedDBDirSize = await BackupResource.getDirectorySize(
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chromeIndexedDBDirPath
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);
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if (Number.isInteger(chromeIndexedDBDirSize)) {
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fullSize += chromeIndexedDBDirSize;
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}
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Glean.browserBackup.miscDataSize.set(fullSize);
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}
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}
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