mirror of
https://github.com/Feodor2/Mypal68.git
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344 lines
11 KiB
JavaScript
344 lines
11 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 http://mozilla.org/MPL/2.0/. */
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"use strict";
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var EXPORTED_SYMBOLS = ["ChromeMigrationUtils"];
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const { AppConstants } = ChromeUtils.import(
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"resource://gre/modules/AppConstants.jsm"
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);
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const { OS } = ChromeUtils.import("resource://gre/modules/osfile.jsm");
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const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
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const S100NS_FROM1601TO1970 = 0x19db1ded53e8000;
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const S100NS_PER_MS = 10;
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var ChromeMigrationUtils = {
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_extensionVersionDirectoryNames: {},
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// The cache for the locale strings.
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// For example, the data could be:
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// {
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// "profile-id-1": {
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// "extension-id-1": {
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// "name": {
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// "message": "Fake App 1"
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// }
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// },
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// }
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_extensionLocaleStrings: {},
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/**
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* Get all extensions installed in a specific profile.
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* @param {String} profileId - A Chrome user profile ID. For example, "Profile 1".
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* @returns {Array} All installed Chrome extensions information.
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*/
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async getExtensionList(profileId) {
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if (profileId === undefined) {
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profileId = await this.getLastUsedProfileId();
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}
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let path = this.getExtensionPath(profileId);
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let iterator = new OS.File.DirectoryIterator(path);
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let extensionList = [];
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await iterator
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.forEach(async entry => {
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if (entry.isDir) {
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let extensionInformation = await this.getExtensionInformation(
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entry.name,
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profileId
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);
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if (extensionInformation) {
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extensionList.push(extensionInformation);
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}
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}
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})
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.catch(ex => Cu.reportError(ex));
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return extensionList;
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},
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/**
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* Get information of a specific Chrome extension.
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* @param {String} extensionId - The extension ID.
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* @param {String} profileId - The user profile's ID.
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* @retruns {Object} The Chrome extension information.
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*/
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async getExtensionInformation(extensionId, profileId) {
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if (profileId === undefined) {
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profileId = await this.getLastUsedProfileId();
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}
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let extensionInformation = null;
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try {
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let manifestPath = this.getExtensionPath(profileId);
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manifestPath = OS.Path.join(manifestPath, extensionId);
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// If there are multiple sub-directories in the extension directory,
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// read the files in the latest directory.
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let directories = await this._getSortedByVersionSubDirectoryNames(
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manifestPath
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);
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if (!directories[0]) {
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return null;
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}
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manifestPath = OS.Path.join(
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manifestPath,
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directories[0],
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"manifest.json"
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);
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let manifest = await OS.File.read(manifestPath, { encoding: "utf-8" });
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manifest = JSON.parse(manifest);
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// No app attribute means this is a Chrome extension not a Chrome app.
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if (!manifest.app) {
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const DEFAULT_LOCALE = manifest.default_locale;
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let name = await this._getLocaleString(
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manifest.name,
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DEFAULT_LOCALE,
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extensionId,
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profileId
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);
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let description = await this._getLocaleString(
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manifest.description,
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DEFAULT_LOCALE,
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extensionId,
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profileId
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);
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if (name) {
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extensionInformation = {
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id: extensionId,
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name,
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description,
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};
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} else {
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throw new Error("Cannot read the Chrome extension's name property.");
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}
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}
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} catch (ex) {
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Cu.reportError(ex);
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}
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return extensionInformation;
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},
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/**
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* Get the manifest's locale string.
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* @param {String} key - The key of a locale string, for example __MSG_name__.
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* @param {String} locale - The specific language of locale string.
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* @param {String} extensionId - The extension ID.
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* @param {String} profileId - The user profile's ID.
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* @retruns {String} The locale string.
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*/
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async _getLocaleString(key, locale, extensionId, profileId) {
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// Return the key string if it is not a locale key.
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// The key string starts with "__MSG_" and ends with "__".
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// For example, "__MSG_name__".
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// https://developer.chrome.com/apps/i18n
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if (!key.startsWith("__MSG_") || !key.endsWith("__")) {
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return key;
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}
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let localeString = null;
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try {
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let localeFile;
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if (
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this._extensionLocaleStrings[profileId] &&
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this._extensionLocaleStrings[profileId][extensionId]
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) {
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localeFile = this._extensionLocaleStrings[profileId][extensionId];
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} else {
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if (!this._extensionLocaleStrings[profileId]) {
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this._extensionLocaleStrings[profileId] = {};
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}
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let localeFilePath = this.getExtensionPath(profileId);
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localeFilePath = OS.Path.join(localeFilePath, extensionId);
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let directories = await this._getSortedByVersionSubDirectoryNames(
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localeFilePath
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);
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// If there are multiple sub-directories in the extension directory,
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// read the files in the latest directory.
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localeFilePath = OS.Path.join(
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localeFilePath,
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directories[0],
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"_locales",
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locale,
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"messages.json"
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);
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localeFile = await OS.File.read(localeFilePath, { encoding: "utf-8" });
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localeFile = JSON.parse(localeFile);
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this._extensionLocaleStrings[profileId][extensionId] = localeFile;
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}
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const PREFIX_LENGTH = 6;
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const SUFFIX_LENGTH = 2;
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// Get the locale key from the string with locale prefix and suffix.
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// For example, it will get the "name" sub-string from the "__MSG_name__" string.
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key = key.substring(PREFIX_LENGTH, key.length - SUFFIX_LENGTH);
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if (localeFile[key] && localeFile[key].message) {
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localeString = localeFile[key].message;
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}
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} catch (ex) {
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Cu.reportError(ex);
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}
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return localeString;
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},
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/**
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* Check that a specific extension is installed or not.
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* @param {String} extensionId - The extension ID.
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* @param {String} profileId - The user profile's ID.
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* @returns {Boolean} Return true if the extension is installed otherwise return false.
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*/
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async isExtensionInstalled(extensionId, profileId) {
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if (profileId === undefined) {
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profileId = await this.getLastUsedProfileId();
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}
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let extensionPath = this.getExtensionPath(profileId);
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let isInstalled = await OS.File.exists(
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OS.Path.join(extensionPath, extensionId)
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);
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return isInstalled;
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},
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/**
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* Get the last used user profile's ID.
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* @returns {String} The last used user profile's ID.
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*/
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async getLastUsedProfileId() {
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let localState = await this.getLocalState();
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return localState ? localState.profile.last_used : "Default";
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},
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/**
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* Get the local state file content.
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* @param {String} dataPath the type of Chrome data we're looking for (Chromium, Canary, etc.)
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* @returns {Object} The JSON-based content.
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*/
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async getLocalState(dataPath = "Chrome") {
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let localState = null;
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try {
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let localStatePath = OS.Path.join(
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this.getDataPath(dataPath),
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"Local State"
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);
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let localStateJson = await OS.File.read(localStatePath, {
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encoding: "utf-8",
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});
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localState = JSON.parse(localStateJson);
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} catch (ex) {
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Cu.reportError(ex);
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throw ex;
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}
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return localState;
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},
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/**
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* Get the path of Chrome extension directory.
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* @param {String} profileId - The user profile's ID.
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* @returns {String} The path of Chrome extension directory.
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*/
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getExtensionPath(profileId) {
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return OS.Path.join(this.getDataPath(), profileId, "Extensions");
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},
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/**
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* Get the path of an application data directory.
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* @param {String} chromeProjectName - The Chrome project name, e.g. "Chrome", "Canary", etc.
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* Defaults to "Chrome".
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* @returns {String} The path of application data directory.
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*/
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getDataPath(chromeProjectName = "Chrome") {
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const SUB_DIRECTORIES = {
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win: {
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Chrome: ["Google", "Chrome"],
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Chromium: ["Chromium"],
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Canary: ["Google", "Chrome SxS"],
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},
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macosx: {
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Chrome: ["Google", "Chrome"],
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Chromium: ["Chromium"],
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Canary: ["Google", "Chrome Canary"],
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},
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linux: {
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Chrome: ["google-chrome"],
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"Chrome Beta": ["google-chrome-beta"],
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"Chrome Dev": ["google-chrome-unstable"],
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Chromium: ["chromium"],
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// Canary is not available on Linux.
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},
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};
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let dirKey, subfolders;
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subfolders = SUB_DIRECTORIES[AppConstants.platform][chromeProjectName];
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if (!subfolders) {
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return null;
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}
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if (AppConstants.platform == "win") {
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dirKey = "winLocalAppDataDir";
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subfolders = subfolders.concat(["User Data"]);
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} else if (AppConstants.platform == "macosx") {
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dirKey = "macUserLibDir";
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subfolders = ["Application Support"].concat(subfolders);
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} else {
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dirKey = "homeDir";
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subfolders = [".config"].concat(subfolders);
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}
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subfolders.unshift(OS.Constants.Path[dirKey]);
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return OS.Path.join(...subfolders);
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},
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/**
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* Get the directory objects sorted by version number.
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* @param {String} path - The path to the extension directory.
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* otherwise return all file/directory object.
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* @returns {Array} The file/directory object array.
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*/
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async _getSortedByVersionSubDirectoryNames(path) {
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if (this._extensionVersionDirectoryNames[path]) {
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return this._extensionVersionDirectoryNames[path];
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}
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let iterator = new OS.File.DirectoryIterator(path);
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let entries = [];
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await iterator
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.forEach(async entry => {
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if (entry.isDir) {
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entries.push(entry.name);
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}
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})
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.catch(ex => {
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Cu.reportError(ex);
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entries = [];
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});
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// The directory name is the version number string of the extension.
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// For example, it could be "1.0_0", "1.0_1", "1.0_2", 1.1_0, 1.1_1, or 1.1_2.
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// The "1.0_1" strings mean that the "1.0_0" directory is existed and you install the version 1.0 again.
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// https://chromium.googlesource.com/chromium/src/+/0b58a813992b539a6b555ad7959adfad744b095a/chrome/common/extensions/extension_file_util_unittest.cc
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entries.sort((a, b) => Services.vc.compare(b, a));
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this._extensionVersionDirectoryNames[path] = entries;
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return entries;
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},
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/**
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* Convert Chrome time format to Date object
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*
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* @param aTime
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* Chrome time
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* @return converted Date object
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* @note Google Chrome uses FILETIME / 10 as time.
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* FILETIME is based on same structure of Windows.
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*/
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chromeTimeToDate(aTime) {
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return new Date((aTime * S100NS_PER_MS - S100NS_FROM1601TO1970) / 10000);
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},
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/**
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* Convert Date object to Chrome time format
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*
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* @param aDate
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* Date object or integer equivalent
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* @return Chrome time
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* @note For details on Chrome time, see chromeTimeToDate.
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*/
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dateToChromeTime(aDate) {
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return (aDate * 10000 + S100NS_FROM1601TO1970) / S100NS_PER_MS;
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},
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};
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