Bug 1038458 - Part 4: Flatten browser/components/migration/{public,src}/ directories. r=mak
This commit is contained in:
Birunthan Mohanathas
353
browser/components/migration/ChromeProfileMigrator.js
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353
browser/components/migration/ChromeProfileMigrator.js
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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
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* vim: sw=2 ts=2 sts=2 et */
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/* 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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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cu = Components.utils;
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const Cr = Components.results;
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const FILE_INPUT_STREAM_CID = "@mozilla.org/network/file-input-stream;1";
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const S100NS_FROM1601TO1970 = 0x19DB1DED53E8000;
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const S100NS_PER_MS = 10;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/NetUtil.jsm");
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Cu.import("resource://gre/modules/FileUtils.jsm");
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Cu.import("resource:///modules/MigrationUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
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"resource://gre/modules/PlacesUtils.jsm");
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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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function chromeTimeToDate(aTime)
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{
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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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* Insert bookmark items into specific folder.
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*
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* @param aFolderId
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* id of folder where items will be inserted
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* @param aItems
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* bookmark items to be inserted
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*/
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function insertBookmarkItems(aFolderId, aItems)
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{
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for (let i = 0; i < aItems.length; i++) {
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let item = aItems[i];
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try {
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if (item.type == "url") {
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PlacesUtils.bookmarks.insertBookmark(aFolderId,
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NetUtil.newURI(item.url),
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PlacesUtils.bookmarks.DEFAULT_INDEX,
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item.name);
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} else if (item.type == "folder") {
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let newFolderId =
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PlacesUtils.bookmarks.createFolder(aFolderId,
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item.name,
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PlacesUtils.bookmarks.DEFAULT_INDEX);
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insertBookmarkItems(newFolderId, item.children);
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}
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} catch (e) {
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Cu.reportError(e);
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}
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}
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}
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function ChromeProfileMigrator() {
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let chromeUserDataFolder = FileUtils.getDir(
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#ifdef XP_WIN
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"LocalAppData", ["Google", "Chrome", "User Data"]
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#elifdef XP_MACOSX
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"ULibDir", ["Application Support", "Google", "Chrome"]
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#else
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"Home", [".config", "google-chrome"]
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#endif
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, false);
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this._chromeUserDataFolder = chromeUserDataFolder.exists() ?
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chromeUserDataFolder : null;
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}
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ChromeProfileMigrator.prototype = Object.create(MigratorPrototype);
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ChromeProfileMigrator.prototype.getResources =
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function Chrome_getResources(aProfile) {
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if (this._chromeUserDataFolder) {
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let profileFolder = this._chromeUserDataFolder.clone();
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profileFolder.append(aProfile.id);
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if (profileFolder.exists()) {
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let possibleResources = [GetBookmarksResource(profileFolder),
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GetHistoryResource(profileFolder),
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GetCookiesResource(profileFolder)];
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return [r for each (r in possibleResources) if (r != null)];
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}
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}
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return [];
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};
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Object.defineProperty(ChromeProfileMigrator.prototype, "sourceProfiles", {
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get: function Chrome_sourceProfiles() {
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if ("__sourceProfiles" in this)
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return this.__sourceProfiles;
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if (!this._chromeUserDataFolder)
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return [];
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let profiles = [];
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try {
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// Local State is a JSON file that contains profile info.
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let localState = this._chromeUserDataFolder.clone();
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localState.append("Local State");
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if (!localState.exists())
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throw new Error("Chrome's 'Local State' file does not exist.");
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if (!localState.isReadable())
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throw new Error("Chrome's 'Local State' file could not be read.");
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let fstream = Cc[FILE_INPUT_STREAM_CID].createInstance(Ci.nsIFileInputStream);
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fstream.init(localState, -1, 0, 0);
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let inputStream = NetUtil.readInputStreamToString(fstream, fstream.available(),
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{ charset: "UTF-8" });
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let info_cache = JSON.parse(inputStream).profile.info_cache;
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for (let profileFolderName in info_cache) {
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let profileFolder = this._chromeUserDataFolder.clone();
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profileFolder.append(profileFolderName);
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profiles.push({
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id: profileFolderName,
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name: info_cache[profileFolderName].name || profileFolderName,
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});
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}
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} catch (e) {
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Cu.reportError("Error detecting Chrome profiles: " + e);
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// If we weren't able to detect any profiles above, fallback to the Default profile.
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let defaultProfileFolder = this._chromeUserDataFolder.clone();
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defaultProfileFolder.append("Default");
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if (defaultProfileFolder.exists()) {
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profiles = [{
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id: "Default",
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name: "Default",
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}];
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}
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}
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// Only list profiles from which any data can be imported
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return this.__sourceProfiles = profiles.filter(function(profile) {
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let resources = this.getResources(profile);
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return resources && resources.length > 0;
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}, this);
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}
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});
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Object.defineProperty(ChromeProfileMigrator.prototype, "sourceHomePageURL", {
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get: function Chrome_sourceHomePageURL() {
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let prefsFile = this._chromeUserDataFolder.clone();
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prefsFile.append("Preferences");
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if (prefsFile.exists()) {
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// XXX reading and parsing JSON is synchronous.
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let fstream = Cc[FILE_INPUT_STREAM_CID].
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createInstance(Ci.nsIFileInputStream);
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fstream.init(file, -1, 0, 0);
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try {
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return JSON.parse(
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NetUtil.readInputStreamToString(fstream, fstream.available(),
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{ charset: "UTF-8" })
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).homepage;
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}
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catch(e) {
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Cu.reportError("Error parsing Chrome's preferences file: " + e);
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}
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}
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return "";
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}
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});
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function GetBookmarksResource(aProfileFolder) {
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let bookmarksFile = aProfileFolder.clone();
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bookmarksFile.append("Bookmarks");
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if (!bookmarksFile.exists())
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return null;
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return {
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type: MigrationUtils.resourceTypes.BOOKMARKS,
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migrate: function(aCallback) {
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NetUtil.asyncFetch(bookmarksFile, MigrationUtils.wrapMigrateFunction(
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function(aInputStream, aResultCode) {
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if (!Components.isSuccessCode(aResultCode))
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throw new Error("Could not read Bookmarks file");
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// Parse Chrome bookmark file that is JSON format
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let bookmarkJSON = NetUtil.readInputStreamToString(
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aInputStream, aInputStream.available(), { charset : "UTF-8" });
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let roots = JSON.parse(bookmarkJSON).roots;
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PlacesUtils.bookmarks.runInBatchMode({
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runBatched: function() {
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// Importing bookmark bar items
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if (roots.bookmark_bar.children &&
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roots.bookmark_bar.children.length > 0) {
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// Toolbar
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let parentId = PlacesUtils.toolbarFolderId;
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if (!MigrationUtils.isStartupMigration) {
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parentId = MigrationUtils.createImportedBookmarksFolder(
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"Chrome", parentId);
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}
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insertBookmarkItems(parentId, roots.bookmark_bar.children);
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}
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// Importing bookmark menu items
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if (roots.other.children &&
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roots.other.children.length > 0) {
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// Bookmark menu
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let parentId = PlacesUtils.bookmarksMenuFolderId;
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if (!MigrationUtils.isStartupMigration) {
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parentId = MigrationUtils.createImportedBookmarksFolder(
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"Chrome", parentId);
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}
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insertBookmarkItems(parentId, roots.other.children);
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}
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}
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}, null);
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}, aCallback));
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}
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};
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}
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function GetHistoryResource(aProfileFolder) {
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let historyFile = aProfileFolder.clone();
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historyFile.append("History");
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if (!historyFile.exists())
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return null;
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return {
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type: MigrationUtils.resourceTypes.HISTORY,
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migrate: function(aCallback) {
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let dbConn = Services.storage.openUnsharedDatabase(historyFile);
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let stmt = dbConn.createAsyncStatement(
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"SELECT url, title, last_visit_time, typed_count FROM urls WHERE hidden = 0");
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stmt.executeAsync({
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handleResult : function(aResults) {
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let places = [];
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for (let row = aResults.getNextRow(); row; row = aResults.getNextRow()) {
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try {
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// if having typed_count, we changes transition type to typed.
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let transType = PlacesUtils.history.TRANSITION_LINK;
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if (row.getResultByName("typed_count") > 0)
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transType = PlacesUtils.history.TRANSITION_TYPED;
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places.push({
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uri: NetUtil.newURI(row.getResultByName("url")),
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title: row.getResultByName("title"),
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visits: [{
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transitionType: transType,
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visitDate: chromeTimeToDate(
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row.getResultByName(
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"last_visit_time")) * 1000,
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}],
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});
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} catch (e) {
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Cu.reportError(e);
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}
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}
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try {
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PlacesUtils.asyncHistory.updatePlaces(places);
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} catch (e) {
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Cu.reportError(e);
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}
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},
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handleError : function(aError) {
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Cu.reportError("Async statement execution returned with '" +
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aError.result + "', '" + aError.message + "'");
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},
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handleCompletion : function(aReason) {
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dbConn.asyncClose();
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aCallback(aReason == Ci.mozIStorageStatementCallback.REASON_FINISHED);
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}
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});
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stmt.finalize();
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}
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};
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}
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function GetCookiesResource(aProfileFolder) {
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let cookiesFile = aProfileFolder.clone();
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cookiesFile.append("Cookies");
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if (!cookiesFile.exists())
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return null;
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return {
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type: MigrationUtils.resourceTypes.COOKIES,
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migrate: function(aCallback) {
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let dbConn = Services.storage.openUnsharedDatabase(cookiesFile);
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let stmt = dbConn.createAsyncStatement(
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"SELECT host_key, path, name, value, secure, httponly, expires_utc FROM cookies");
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stmt.executeAsync({
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handleResult : function(aResults) {
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for (let row = aResults.getNextRow(); row; row = aResults.getNextRow()) {
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let host_key = row.getResultByName("host_key");
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if (host_key.match(/^\./)) {
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// 1st character of host_key may be ".", so we have to remove it
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host_key = host_key.substr(1);
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}
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try {
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let expiresUtc =
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chromeTimeToDate(row.getResultByName("expires_utc")) / 1000;
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Services.cookies.add(host_key,
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row.getResultByName("path"),
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row.getResultByName("name"),
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row.getResultByName("value"),
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row.getResultByName("secure"),
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row.getResultByName("httponly"),
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false,
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parseInt(expiresUtc));
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} catch (e) {
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Cu.reportError(e);
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}
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}
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},
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handleError : function(aError) {
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Cu.reportError("Async statement execution returned with '" +
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aError.result + "', '" + aError.message + "'");
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},
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handleCompletion : function(aReason) {
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dbConn.asyncClose();
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aCallback(aReason == Ci.mozIStorageStatementCallback.REASON_FINISHED);
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},
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});
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stmt.finalize();
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}
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}
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}
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ChromeProfileMigrator.prototype.classDescription = "Chrome Profile Migrator";
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ChromeProfileMigrator.prototype.contractID = "@mozilla.org/profile/migrator;1?app=browser&type=chrome";
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ChromeProfileMigrator.prototype.classID = Components.ID("{4cec1de4-1671-4fc3-a53e-6c539dc77a26}");
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ChromeProfileMigrator]);
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