mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
1522 lines
46 KiB
JavaScript
1522 lines
46 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Bookmarks Sync.
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*
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* The Initial Developer of the Original Code is Mozilla.
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Dan Mills <thunder@mozilla.com>
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* Richard Newman <rnewman@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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const EXPORTED_SYMBOLS = ['Utils', 'Svc', 'Str'];
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cr = Components.results;
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const Cu = Components.utils;
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Cu.import("resource://services-sync/constants.js");
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Cu.import("resource://services-sync/ext/Observers.js");
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Cu.import("resource://services-sync/ext/Preferences.js");
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Cu.import("resource://services-sync/ext/StringBundle.js");
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Cu.import("resource://services-sync/ext/Sync.js");
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Cu.import("resource://services-sync/log4moz.js");
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/*
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* Utility functions
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*/
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let Utils = {
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/**
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* Execute an arbitrary number of asynchronous functions one after the
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* other, passing the callback arguments on to the next one. All functions
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* must take a callback function as their last argument. The 'this' object
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* will be whatever asyncChain's is.
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*
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* @usage this._chain = Utils.asyncChain;
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* this._chain(this.foo, this.bar, this.baz)(args, for, foo)
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*
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* This is equivalent to:
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*
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* let self = this;
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* self.foo(args, for, foo, function (bars, args) {
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* self.bar(bars, args, function (baz, params) {
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* self.baz(baz, params);
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* });
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* });
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*/
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asyncChain: function asyncChain() {
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let funcs = Array.slice(arguments);
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let thisObj = this;
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return function callback() {
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if (funcs.length) {
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let args = Array.slice(arguments).concat(callback);
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let f = funcs.shift();
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f.apply(thisObj, args);
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}
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};
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},
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/**
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* Wrap a function to catch all exceptions and log them
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*
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* @usage MyObj._catch = Utils.catch;
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* MyObj.foo = function() { this._catch(func)(); }
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*/
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catch: function Utils_catch(func) {
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let thisArg = this;
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return function WrappedCatch() {
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try {
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return func.call(thisArg);
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}
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catch(ex) {
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thisArg._log.debug("Exception: " + Utils.exceptionStr(ex));
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}
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};
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},
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/**
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* Wrap a function to call lock before calling the function then unlock.
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*
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* @usage MyObj._lock = Utils.lock;
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* MyObj.foo = function() { this._lock(func)(); }
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*/
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lock: function lock(label, func) {
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let thisArg = this;
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return function WrappedLock() {
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if (!thisArg.lock()) {
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throw "Could not acquire lock. Label: \"" + label + "\".";
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}
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try {
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return func.call(thisArg);
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}
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finally {
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thisArg.unlock();
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}
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};
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},
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/**
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* Wrap functions to notify when it starts and finishes executing or if it got
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* an error. The message is a combination of a provided prefix and local name
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* with the current state and the subject is the provided subject.
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*
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* @usage function MyObj() { this._notify = Utils.notify("prefix:"); }
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* MyObj.foo = function() { this._notify(name, subject, func)(); }
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*/
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notify: function Utils_notify(prefix) {
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return function NotifyMaker(name, subject, func) {
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let thisArg = this;
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let notify = function(state) {
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let mesg = prefix + name + ":" + state;
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thisArg._log.trace("Event: " + mesg);
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Observers.notify(mesg, subject);
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};
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return function WrappedNotify() {
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try {
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notify("start");
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let ret = func.call(thisArg);
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notify("finish");
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return ret;
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}
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catch(ex) {
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notify("error");
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throw ex;
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}
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};
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};
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},
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batchSync: function batchSync(service, engineType) {
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return function batchedSync() {
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let engine = this;
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let batchEx = null;
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// Try running sync in batch mode
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Svc[service].runInBatchMode({
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runBatched: function wrappedSync() {
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try {
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engineType.prototype._sync.call(engine);
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}
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catch(ex) {
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batchEx = ex;
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}
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}
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}, null);
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// Expose the exception if something inside the batch failed
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if (batchEx!= null)
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throw batchEx;
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};
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},
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createStatement: function createStatement(db, query) {
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// Gecko 2.0
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if (db.createAsyncStatement)
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return db.createAsyncStatement(query);
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// Gecko <2.0
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return db.createStatement(query);
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},
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queryAsync: function(query, names) {
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// Allow array of names, single name, and no name
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if (!Utils.isArray(names))
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names = names == null ? [] : [names];
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// Synchronously asyncExecute fetching all results by name
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let [exec, execCb] = Sync.withCb(query.executeAsync, query);
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return exec({
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items: [],
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handleResult: function handleResult(results) {
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let row;
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while ((row = results.getNextRow()) != null) {
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this.items.push(names.reduce(function(item, name) {
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item[name] = row.getResultByName(name);
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return item;
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}, {}));
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}
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},
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handleError: function handleError(error) {
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execCb.throw(error);
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},
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handleCompletion: function handleCompletion(reason) {
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execCb(this.items);
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}
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});
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},
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byteArrayToString: function byteArrayToString(bytes) {
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return [String.fromCharCode(byte) for each (byte in bytes)].join("");
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},
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/**
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* Generate a string of random bytes.
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*/
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generateRandomBytes: function generateRandomBytes(length) {
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let rng = Cc["@mozilla.org/security/random-generator;1"]
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.createInstance(Ci.nsIRandomGenerator);
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let bytes = rng.generateRandomBytes(length);
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return Utils.byteArrayToString(bytes);
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},
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/**
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* Encode byte string as base64url (RFC 4648).
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*/
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encodeBase64url: function encodeBase64url(bytes) {
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return btoa(bytes).replace('+', '-', 'g').replace('/', '_', 'g');
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},
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/**
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* GUIDs are 9 random bytes encoded with base64url (RFC 4648).
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* That makes them 12 characters long with 72 bits of entropy.
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*/
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makeGUID: function makeGUID() {
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return Utils.encodeBase64url(Utils.generateRandomBytes(9));
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},
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anno: function anno(id, anno, val, expire) {
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// Figure out if we have a bookmark or page
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let annoFunc = (typeof id == "number" ? "Item" : "Page") + "Annotation";
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// Convert to a nsIURI if necessary
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if (typeof id == "string")
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id = Utils.makeURI(id);
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if (id == null)
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throw "Null id for anno! (invalid uri)";
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switch (arguments.length) {
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case 2:
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// Get the annotation with 2 args
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return Svc.Annos["get" + annoFunc](id, anno);
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case 3:
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expire = "NEVER";
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// Fallthrough!
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case 4:
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// Convert to actual EXPIRE value
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expire = Svc.Annos["EXPIRE_" + expire];
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// Set the annotation with 3 or 4 args
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return Svc.Annos["set" + annoFunc](id, anno, val, 0, expire);
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}
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},
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ensureOneOpen: let (windows = {}) function ensureOneOpen(window) {
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// Close the other window if it exists
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let url = window.location.href;
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let other = windows[url];
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if (other != null)
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other.close();
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// Save the new window for future closure
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windows[url] = window;
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// Actively clean up when the window is closed
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window.addEventListener("unload", function() windows[url] = null, false);
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},
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// Returns a nsILocalFile representing a file relative to the
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// current user's profile directory. If the argument is a string,
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// it should be a string with unix-style slashes for directory names
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// (these slashes are automatically converted to platform-specific
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// path separators).
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//
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// Alternatively, if the argument is an object, it should contain
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// the following attributes:
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//
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// path: the path to the file, relative to the current user's
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// profile dir.
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//
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// autoCreate: whether or not the file should be created if it
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// doesn't already exist.
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getProfileFile: function getProfileFile(arg) {
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if (typeof arg == "string")
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arg = {path: arg};
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let pathParts = arg.path.split("/");
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let file = Svc.Directory.get("ProfD", Ci.nsIFile);
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file.QueryInterface(Ci.nsILocalFile);
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for (let i = 0; i < pathParts.length; i++)
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file.append(pathParts[i]);
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if (arg.autoCreate && !file.exists())
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file.create(file.NORMAL_FILE_TYPE, PERMS_FILE);
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return file;
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},
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/**
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* Add a simple getter/setter to an object that defers access of a property
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* to an inner property.
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*
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* @param obj
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* Object to add properties to defer in its prototype
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* @param defer
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* Hash property of obj to defer to (dot split each level)
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* @param prop
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* Property name to defer (or an array of property names)
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*/
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deferGetSet: function Utils_deferGetSet(obj, defer, prop) {
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if (Utils.isArray(prop))
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return prop.map(function(prop) Utils.deferGetSet(obj, defer, prop));
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// Split the defer into each dot part for each level to dereference
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let parts = defer.split(".");
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let deref = function(base) Utils.deref(base, parts);
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let prot = obj.prototype;
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// Create a getter if it doesn't exist yet
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if (!prot.__lookupGetter__(prop)) {
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// Yes, this should be a one-liner, but there are errors if it's not
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// broken out. *sigh*
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// Errors are these:
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// JavaScript strict warning: resource://services-sync/util.js, line 304: reference to undefined property deref(this)[prop]
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// JavaScript strict warning: resource://services-sync/util.js, line 304: reference to undefined property deref(this)[prop]
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let f = function() {
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let d = deref(this);
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if (!d)
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return undefined;
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let out = d[prop];
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return out;
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}
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prot.__defineGetter__(prop, f);
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}
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// Create a setter if it doesn't exist yet
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if (!prot.__lookupSetter__(prop))
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prot.__defineSetter__(prop, function(val) deref(this)[prop] = val);
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},
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/**
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* Dereference an array of properties starting from a base object
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*
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* @param base
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* Base object to start dereferencing
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* @param props
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* Array of properties to dereference (one for each level)
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*/
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deref: function Utils_deref(base, props) props.reduce(function(curr, prop)
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curr[prop], base),
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/**
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* Determine if some value is an array
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*
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* @param val
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* Value to check (can be null, undefined, etc.)
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* @return True if it's an array; false otherwise
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*/
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isArray: function Utils_isArray(val) val != null && typeof val == "object" &&
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val.constructor.name == "Array",
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// lazy load objects from a constructor on first access. It will
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// work with the global object ('this' in the global context).
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lazy: function Weave_lazy(dest, prop, ctr) {
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delete dest[prop];
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dest.__defineGetter__(prop, Utils.lazyCb(dest, prop, ctr));
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},
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lazyCb: function Weave_lazyCb(dest, prop, ctr) {
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return function() {
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delete dest[prop];
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dest[prop] = new ctr();
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return dest[prop];
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};
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},
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// like lazy, but rather than new'ing the 3rd arg we use its return value
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lazy2: function Weave_lazy2(dest, prop, fn) {
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delete dest[prop];
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dest.__defineGetter__(prop, Utils.lazyCb2(dest, prop, fn));
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},
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lazyCb2: function Weave_lazyCb2(dest, prop, fn) {
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return function() {
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delete dest[prop];
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return dest[prop] = fn();
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};
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},
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lazySvc: function Weave_lazySvc(dest, prop, cid, iface) {
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let getter = function() {
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delete dest[prop];
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let svc = null;
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// Use the platform's service if it exists
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if (cid in Cc && iface in Ci)
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svc = Cc[cid].getService(Ci[iface]);
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else {
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svc = FakeSvc[cid];
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let log = Log4Moz.repository.getLogger("Service.Util");
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if (svc == null)
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log.warn("Component " + cid + " doesn't exist on this platform.");
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else
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log.debug("Using a fake svc object for " + cid);
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}
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return dest[prop] = svc;
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};
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dest.__defineGetter__(prop, getter);
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},
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lazyStrings: function Weave_lazyStrings(name) {
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let bundle = "chrome://weave/locale/services/" + name + ".properties";
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return function() new StringBundle(bundle);
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},
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deepEquals: function eq(a, b) {
|
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// If they're triple equals, then it must be equals!
|
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if (a === b)
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return true;
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// If they weren't equal, they must be objects to be different
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if (typeof a != "object" || typeof b != "object")
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return false;
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// But null objects won't have properties to compare
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if (a === null || b === null)
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return false;
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// Make sure all of a's keys have a matching value in b
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for (let k in a)
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if (!eq(a[k], b[k]))
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return false;
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// Do the same for b's keys but skip those that we already checked
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for (let k in b)
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if (!(k in a) && !eq(a[k], b[k]))
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return false;
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return true;
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},
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deepCopy: function Weave_deepCopy(thing, noSort) {
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if (typeof(thing) != "object" || thing == null)
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return thing;
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let ret;
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if (Utils.isArray(thing)) {
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ret = [];
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for (let i = 0; i < thing.length; i++)
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ret.push(Utils.deepCopy(thing[i], noSort));
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} else {
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ret = {};
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let props = [p for (p in thing)];
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if (!noSort)
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props = props.sort();
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props.forEach(function(k) ret[k] = Utils.deepCopy(thing[k], noSort));
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}
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return ret;
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},
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// Works on frames or exceptions, munges file:// URIs to shorten the paths
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// FIXME: filename munging is sort of hackish, might be confusing if
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// there are multiple extensions with similar filenames
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formatFrame: function Utils_formatFrame(frame) {
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let tmp = "<file:unknown>";
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let file = frame.filename || frame.fileName;
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if (file)
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tmp = file.replace(/^(?:chrome|file):.*?([^\/\.]+\.\w+)$/, "$1");
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if (frame.lineNumber)
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tmp += ":" + frame.lineNumber;
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if (frame.name)
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tmp = frame.name + "()@" + tmp;
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return tmp;
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},
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exceptionStr: function Weave_exceptionStr(e) {
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let message = e.message ? e.message : e;
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return message + " " + Utils.stackTrace(e);
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},
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stackTraceFromFrame: function Weave_stackTraceFromFrame(frame) {
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let output = [];
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while (frame) {
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let str = Utils.formatFrame(frame);
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if (str)
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output.push(str);
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frame = frame.caller;
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}
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return output.join(" < ");
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},
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stackTrace: function Weave_stackTrace(e) {
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// Wrapped nsIException
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if (e.location)
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return "Stack trace: " + Utils.stackTraceFromFrame(e.location);
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|
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// Standard JS exception
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|
if (e.stack)
|
|
return "JS Stack trace: " + e.stack.trim().replace(/\n/g, " < ").
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replace(/@[^@]*?([^\/\.]+\.\w+:)/g, "@$1");
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|
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return "No traceback available";
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},
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|
|
// Generator and discriminator for HMAC exceptions.
|
|
// Split these out in case we want to make them richer in future, and to
|
|
// avoid inevitable confusion if the message changes.
|
|
throwHMACMismatch: function throwHMACMismatch(shouldBe, is) {
|
|
throw "Record SHA256 HMAC mismatch: should be " + shouldBe + ", is " + is;
|
|
},
|
|
|
|
isHMACMismatch: function isHMACMismatch(ex) {
|
|
const hmacFail = "Record SHA256 HMAC mismatch: ";
|
|
return ex && ex.indexOf && (ex.indexOf(hmacFail) == 0);
|
|
},
|
|
|
|
checkStatus: function Weave_checkStatus(code, msg, ranges) {
|
|
if (!ranges)
|
|
ranges = [[200,300]];
|
|
|
|
for (let i = 0; i < ranges.length; i++) {
|
|
var rng = ranges[i];
|
|
if (typeof(rng) == "object" && code >= rng[0] && code < rng[1])
|
|
return true;
|
|
else if (typeof(rng) == "number" && code == rng) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (msg) {
|
|
let log = Log4Moz.repository.getLogger("Service.Util");
|
|
log.error(msg + " Error code: " + code);
|
|
}
|
|
|
|
return false;
|
|
},
|
|
|
|
ensureStatus: function Weave_ensureStatus(args) {
|
|
if (!Utils.checkStatus.apply(Utils, arguments))
|
|
throw 'checkStatus failed';
|
|
},
|
|
|
|
digest: function digest(message, hasher) {
|
|
let converter = Cc["@mozilla.org/intl/scriptableunicodeconverter"].
|
|
createInstance(Ci.nsIScriptableUnicodeConverter);
|
|
converter.charset = "UTF-8";
|
|
|
|
let data = converter.convertToByteArray(message, {});
|
|
hasher.update(data, data.length);
|
|
return hasher.finish(false);
|
|
},
|
|
|
|
bytesAsHex: function bytesAsHex(bytes) {
|
|
// Convert each hashed byte into 2-hex strings then combine them
|
|
return [("0" + byte.charCodeAt().toString(16)).slice(-2)
|
|
for each (byte in bytes)].join("");
|
|
},
|
|
|
|
_sha256: function _sha256(message) {
|
|
let hasher = Cc["@mozilla.org/security/hash;1"].
|
|
createInstance(Ci.nsICryptoHash);
|
|
hasher.init(hasher.SHA256);
|
|
return Utils.digest(message, hasher);
|
|
},
|
|
|
|
sha256: function sha256(message) {
|
|
return Utils.bytesAsHex(Utils._sha256(message));
|
|
},
|
|
|
|
sha256Base64: function (message) {
|
|
return btoa(Utils._sha256(message));
|
|
},
|
|
|
|
_sha1: function _sha1(message) {
|
|
let hasher = Cc["@mozilla.org/security/hash;1"].
|
|
createInstance(Ci.nsICryptoHash);
|
|
hasher.init(hasher.SHA1);
|
|
return Utils.digest(message, hasher);
|
|
},
|
|
|
|
sha1: function sha1(message) {
|
|
return Utils.bytesAsHex(Utils._sha1(message));
|
|
},
|
|
|
|
sha1Base32: function sha1Base32(message) {
|
|
return Utils.encodeBase32(Utils._sha1(message));
|
|
},
|
|
|
|
/**
|
|
* Produce an HMAC key object from a key string.
|
|
*/
|
|
makeHMACKey: function makeHMACKey(str) {
|
|
return Svc.KeyFactory.keyFromString(Ci.nsIKeyObject.HMAC, str);
|
|
},
|
|
|
|
/**
|
|
* Produce an HMAC hasher.
|
|
*/
|
|
makeHMACHasher: function makeHMACHasher() {
|
|
return Cc["@mozilla.org/security/hmac;1"]
|
|
.createInstance(Ci.nsICryptoHMAC);
|
|
},
|
|
|
|
sha1Base64: function (message) {
|
|
return btoa(Utils._sha1(message));
|
|
},
|
|
|
|
/**
|
|
* Generate a sha1 HMAC for a message, not UTF-8 encoded,
|
|
* and a given nsIKeyObject.
|
|
* Optionally provide an existing hasher, which will be
|
|
* initialized and reused.
|
|
*/
|
|
sha1HMACBytes: function sha1HMACBytes(message, key, hasher) {
|
|
let h = hasher || this.makeHMACHasher();
|
|
h.init(h.SHA1, key);
|
|
|
|
// No UTF-8 encoding for you, sunshine.
|
|
let bytes = [b.charCodeAt() for each (b in message)];
|
|
h.update(bytes, bytes.length);
|
|
return h.finish(false);
|
|
},
|
|
|
|
/**
|
|
* Generate a sha256 HMAC for a string message and a given nsIKeyObject.
|
|
* Optionally provide an existing hasher, which will be
|
|
* initialized and reused.
|
|
*
|
|
* Returns hex output.
|
|
*/
|
|
sha256HMAC: function sha256HMAC(message, key, hasher) {
|
|
let h = hasher || this.makeHMACHasher();
|
|
h.init(h.SHA256, key);
|
|
return Utils.bytesAsHex(Utils.digest(message, h));
|
|
},
|
|
|
|
|
|
/**
|
|
* Generate a sha256 HMAC for a string message, not UTF-8 encoded,
|
|
* and a given nsIKeyObject.
|
|
* Optionally provide an existing hasher, which will be
|
|
* initialized and reused.
|
|
*/
|
|
sha256HMACBytes: function sha256HMACBytes(message, key, hasher) {
|
|
let h = hasher || this.makeHMACHasher();
|
|
h.init(h.SHA256, key);
|
|
|
|
// No UTF-8 encoding for you, sunshine.
|
|
let bytes = [b.charCodeAt() for each (b in message)];
|
|
h.update(bytes, bytes.length);
|
|
return h.finish(false);
|
|
},
|
|
|
|
/**
|
|
* HMAC-based Key Derivation Step 2 according to RFC 5869.
|
|
*/
|
|
hkdfExpand: function hkdfExpand(prk, info, len) {
|
|
const BLOCKSIZE = 256 / 8;
|
|
let h = Utils.makeHMACHasher();
|
|
let T = "";
|
|
let Tn = "";
|
|
let iterations = Math.ceil(len/BLOCKSIZE);
|
|
for (let i = 0; i < iterations; i++) {
|
|
Tn = Utils.sha256HMACBytes(Tn + info + String.fromCharCode(i + 1),
|
|
Utils.makeHMACKey(prk), h);
|
|
T += Tn;
|
|
}
|
|
return T.slice(0, len);
|
|
},
|
|
|
|
byteArrayToString: function byteArrayToString(bytes) {
|
|
return [String.fromCharCode(byte) for each (byte in bytes)].join("");
|
|
},
|
|
|
|
/**
|
|
* PBKDF2 implementation in Javascript.
|
|
*
|
|
* The arguments to this function correspond to items in
|
|
* PKCS #5, v2.0 pp. 9-10
|
|
*
|
|
* P: the passphrase, an octet string: e.g., "secret phrase"
|
|
* S: the salt, an octet string: e.g., "DNXPzPpiwn"
|
|
* c: the number of iterations, a positive integer: e.g., 4096
|
|
* dkLen: the length in octets of the destination
|
|
* key, a positive integer: e.g., 16
|
|
*
|
|
* The output is an octet string of length dkLen, which you
|
|
* can encode as you wish.
|
|
*/
|
|
pbkdf2Generate : function pbkdf2Generate(P, S, c, dkLen) {
|
|
|
|
// We don't have a default in the algo itself, as NSS does.
|
|
// Use the constant.
|
|
if (!dkLen)
|
|
dkLen = SYNC_KEY_DECODED_LENGTH;
|
|
|
|
/* For HMAC-SHA-1 */
|
|
const HLEN = 20;
|
|
|
|
function F(PK, S, c, i, h) {
|
|
|
|
function XOR(a, b, isA) {
|
|
if (a.length != b.length) {
|
|
return false;
|
|
}
|
|
|
|
let val = [];
|
|
for (let i = 0; i < a.length; i++) {
|
|
if (isA) {
|
|
val[i] = a[i] ^ b[i];
|
|
} else {
|
|
val[i] = a.charCodeAt(i) ^ b.charCodeAt(i);
|
|
}
|
|
}
|
|
|
|
return val;
|
|
}
|
|
|
|
let ret;
|
|
let U = [];
|
|
|
|
/* Encode i into 4 octets: _INT */
|
|
let I = [];
|
|
I[0] = String.fromCharCode((i >> 24) & 0xff);
|
|
I[1] = String.fromCharCode((i >> 16) & 0xff);
|
|
I[2] = String.fromCharCode((i >> 8) & 0xff);
|
|
I[3] = String.fromCharCode(i & 0xff);
|
|
|
|
U[0] = Utils.sha1HMACBytes(S + I.join(''), PK, h);
|
|
for (let j = 1; j < c; j++) {
|
|
U[j] = Utils.sha1HMACBytes(U[j - 1], PK, h);
|
|
}
|
|
|
|
ret = U[0];
|
|
for (j = 1; j < c; j++) {
|
|
ret = Utils.byteArrayToString(XOR(ret, U[j]));
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
let l = Math.ceil(dkLen / HLEN);
|
|
let r = dkLen - ((l - 1) * HLEN);
|
|
|
|
// Reuse the key and the hasher. Remaking them 4096 times is 'spensive.
|
|
let PK = Utils.makeHMACKey(P);
|
|
let h = Utils.makeHMACHasher();
|
|
|
|
T = [];
|
|
for (let i = 0; i < l;) {
|
|
T[i] = F(PK, S, c, ++i, h);
|
|
}
|
|
|
|
let ret = '';
|
|
for (i = 0; i < l-1;) {
|
|
ret += T[i++];
|
|
}
|
|
ret += T[l - 1].substr(0, r);
|
|
|
|
return ret;
|
|
},
|
|
|
|
|
|
/**
|
|
* Base32 decode (RFC 4648) a string.
|
|
*/
|
|
decodeBase32: function decodeBase32(str) {
|
|
const key = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
|
|
|
|
let padChar = str.indexOf("=");
|
|
let chars = (padChar == -1) ? str.length : padChar;
|
|
let bytes = Math.floor(chars * 5 / 8);
|
|
let blocks = Math.ceil(chars / 8);
|
|
|
|
// Process a chunk of 5 bytes / 8 characters.
|
|
// The processing of this is known in advance,
|
|
// so avoid arithmetic!
|
|
function processBlock(ret, cOffset, rOffset) {
|
|
let c, val;
|
|
|
|
// N.B., this relies on
|
|
// undefined | foo == foo.
|
|
function accumulate(val) {
|
|
ret[rOffset] |= val;
|
|
}
|
|
|
|
function advance() {
|
|
c = str[cOffset++];
|
|
if (!c || c == "" || c == "=") // Easier than range checking.
|
|
throw "Done"; // Will be caught far away.
|
|
val = key.indexOf(c);
|
|
if (val == -1)
|
|
throw "Unknown character in base32: " + c;
|
|
}
|
|
|
|
// Handle a left shift, restricted to bytes.
|
|
function left(octet, shift)
|
|
(octet << shift) & 0xff;
|
|
|
|
advance();
|
|
accumulate(left(val, 3));
|
|
advance();
|
|
accumulate(val >> 2);
|
|
++rOffset;
|
|
accumulate(left(val, 6));
|
|
advance();
|
|
accumulate(left(val, 1));
|
|
advance();
|
|
accumulate(val >> 4);
|
|
++rOffset;
|
|
accumulate(left(val, 4));
|
|
advance();
|
|
accumulate(val >> 1);
|
|
++rOffset;
|
|
accumulate(left(val, 7));
|
|
advance();
|
|
accumulate(left(val, 2));
|
|
advance();
|
|
accumulate(val >> 3);
|
|
++rOffset;
|
|
accumulate(left(val, 5));
|
|
advance();
|
|
accumulate(val);
|
|
++rOffset;
|
|
}
|
|
|
|
// Our output. Define to be explicit (and maybe the compiler will be smart).
|
|
let ret = new Array(bytes);
|
|
let i = 0;
|
|
let cOff = 0;
|
|
let rOff = 0;
|
|
|
|
for (; i < blocks; ++i) {
|
|
try {
|
|
processBlock(ret, cOff, rOff);
|
|
} catch (ex) {
|
|
// Handle the detection of padding.
|
|
if (ex == "Done")
|
|
break;
|
|
throw ex;
|
|
}
|
|
cOff += 8;
|
|
rOff += 5;
|
|
}
|
|
|
|
// Slice in case our shift overflowed to the right.
|
|
return Utils.byteArrayToString(ret.slice(0, bytes));
|
|
},
|
|
|
|
/**
|
|
* Base32 encode (RFC 4648) a string
|
|
*/
|
|
encodeBase32: function encodeBase32(bytes) {
|
|
const key = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
|
|
let quanta = Math.floor(bytes.length / 5);
|
|
let leftover = bytes.length % 5;
|
|
|
|
// Pad the last quantum with zeros so the length is a multiple of 5.
|
|
if (leftover) {
|
|
quanta += 1;
|
|
for (let i = leftover; i < 5; i++)
|
|
bytes += "\0";
|
|
}
|
|
|
|
// Chop the string into quanta of 5 bytes (40 bits). Each quantum
|
|
// is turned into 8 characters from the 32 character base.
|
|
let ret = "";
|
|
for (let i = 0; i < bytes.length; i += 5) {
|
|
let c = [byte.charCodeAt() for each (byte in bytes.slice(i, i + 5))];
|
|
ret += key[c[0] >> 3]
|
|
+ key[((c[0] << 2) & 0x1f) | (c[1] >> 6)]
|
|
+ key[(c[1] >> 1) & 0x1f]
|
|
+ key[((c[1] << 4) & 0x1f) | (c[2] >> 4)]
|
|
+ key[((c[2] << 1) & 0x1f) | (c[3] >> 7)]
|
|
+ key[(c[3] >> 2) & 0x1f]
|
|
+ key[((c[3] << 3) & 0x1f) | (c[4] >> 5)]
|
|
+ key[c[4] & 0x1f];
|
|
}
|
|
|
|
switch (leftover) {
|
|
case 1:
|
|
return ret.slice(0, -6) + "======";
|
|
case 2:
|
|
return ret.slice(0, -4) + "====";
|
|
case 3:
|
|
return ret.slice(0, -3) + "===";
|
|
case 4:
|
|
return ret.slice(0, -1) + "=";
|
|
default:
|
|
return ret;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Turn RFC 4648 base32 into our own user-friendly version.
|
|
* ABCDEFGHIJKLMNOPQRSTUVWXYZ234567
|
|
* becomes
|
|
* abcdefghijk8mn9pqrstuvwxyz234567
|
|
*/
|
|
base32ToFriendly: function base32ToFriendly(input) {
|
|
return input.toLowerCase()
|
|
.replace("l", '8', "g")
|
|
.replace("o", '9', "g");
|
|
},
|
|
|
|
base32FromFriendly: function base32FromFriendly(input) {
|
|
return input.toUpperCase()
|
|
.replace("8", 'L', "g")
|
|
.replace("9", 'O', "g");
|
|
},
|
|
|
|
|
|
/**
|
|
* Key manipulation.
|
|
*/
|
|
|
|
// Return an octet string in friendly base32 *with no trailing =*.
|
|
encodeKeyBase32: function encodeKeyBase32(keyData) {
|
|
return Utils.base32ToFriendly(
|
|
Utils.encodeBase32(keyData))
|
|
.slice(0, SYNC_KEY_ENCODED_LENGTH);
|
|
},
|
|
|
|
decodeKeyBase32: function decodeKeyBase32(encoded) {
|
|
return Utils.decodeBase32(
|
|
Utils.base32FromFriendly(
|
|
Utils.normalizePassphrase(encoded)))
|
|
.slice(0, SYNC_KEY_DECODED_LENGTH);
|
|
},
|
|
|
|
base64Key: function base64Key(keyData) {
|
|
return btoa(keyData);
|
|
},
|
|
|
|
deriveKeyFromPassphrase: function deriveKeyFromPassphrase(passphrase, salt, keyLength, forceJS) {
|
|
if (Svc.Crypto.deriveKeyFromPassphrase && !forceJS) {
|
|
return Svc.Crypto.deriveKeyFromPassphrase(passphrase, salt, keyLength);
|
|
}
|
|
else {
|
|
// Fall back to JS implementation.
|
|
// 4096 is hardcoded in WeaveCrypto, so do so here.
|
|
return Utils.pbkdf2Generate(passphrase, atob(salt), 4096, keyLength);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* N.B., salt should be base64 encoded, even though we have to decode
|
|
* it later!
|
|
*/
|
|
derivePresentableKeyFromPassphrase : function derivePresentableKeyFromPassphrase(passphrase, salt, keyLength, forceJS) {
|
|
let k = Utils.deriveKeyFromPassphrase(passphrase, salt, keyLength, forceJS);
|
|
return Utils.encodeKeyBase32(k);
|
|
},
|
|
|
|
/**
|
|
* N.B., salt should be base64 encoded, even though we have to decode
|
|
* it later!
|
|
*/
|
|
deriveEncodedKeyFromPassphrase : function deriveEncodedKeyFromPassphrase(passphrase, salt, keyLength, forceJS) {
|
|
let k = Utils.deriveKeyFromPassphrase(passphrase, salt, keyLength, forceJS);
|
|
return Utils.base64Key(k);
|
|
},
|
|
|
|
/**
|
|
* Take a base64-encoded 128-bit AES key, returning it as five groups of five
|
|
* uppercase alphanumeric characters, separated by hyphens.
|
|
* A.K.A. base64-to-base32 encoding.
|
|
*/
|
|
presentEncodedKeyAsSyncKey : function presentEncodedKeyAsSyncKey(encodedKey) {
|
|
return Utils.encodeKeyBase32(atob(encodedKey));
|
|
},
|
|
|
|
makeURI: function Weave_makeURI(URIString) {
|
|
if (!URIString)
|
|
return null;
|
|
try {
|
|
return Svc.IO.newURI(URIString, null, null);
|
|
} catch (e) {
|
|
let log = Log4Moz.repository.getLogger("Service.Util");
|
|
log.debug("Could not create URI: " + Utils.exceptionStr(e));
|
|
return null;
|
|
}
|
|
},
|
|
|
|
makeURL: function Weave_makeURL(URIString) {
|
|
let url = Utils.makeURI(URIString);
|
|
url.QueryInterface(Ci.nsIURL);
|
|
return url;
|
|
},
|
|
|
|
xpath: function Weave_xpath(xmlDoc, xpathString) {
|
|
let root = xmlDoc.ownerDocument == null ?
|
|
xmlDoc.documentElement : xmlDoc.ownerDocument.documentElement;
|
|
let nsResolver = xmlDoc.createNSResolver(root);
|
|
|
|
return xmlDoc.evaluate(xpathString, xmlDoc, nsResolver,
|
|
Ci.nsIDOMXPathResult.ANY_TYPE, null);
|
|
},
|
|
|
|
getTmp: function Weave_getTmp(name) {
|
|
let tmp = Svc.Directory.get("ProfD", Ci.nsIFile);
|
|
tmp.QueryInterface(Ci.nsILocalFile);
|
|
|
|
tmp.append("weave");
|
|
tmp.append("tmp");
|
|
if (!tmp.exists())
|
|
tmp.create(tmp.DIRECTORY_TYPE, PERMS_DIRECTORY);
|
|
|
|
if (name)
|
|
tmp.append(name);
|
|
|
|
return tmp;
|
|
},
|
|
|
|
/**
|
|
* Load a json object from disk
|
|
*
|
|
* @param filePath
|
|
* Json file path load from weave/[filePath].json
|
|
* @param that
|
|
* Object to use for logging and "this" for callback
|
|
* @param callback
|
|
* Function to process json object as its first parameter
|
|
*/
|
|
jsonLoad: function Utils_jsonLoad(filePath, that, callback) {
|
|
filePath = "weave/" + filePath + ".json";
|
|
if (that._log)
|
|
that._log.trace("Loading json from disk: " + filePath);
|
|
|
|
let file = Utils.getProfileFile(filePath);
|
|
if (!file.exists())
|
|
return;
|
|
|
|
try {
|
|
let [is] = Utils.open(file, "<");
|
|
let json = Utils.readStream(is);
|
|
is.close();
|
|
callback.call(that, JSON.parse(json));
|
|
}
|
|
catch (ex) {
|
|
if (that._log)
|
|
that._log.debug("Failed to load json: " + Utils.exceptionStr(ex));
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Save a json-able object to disk
|
|
*
|
|
* @param filePath
|
|
* Json file path save to weave/[filePath].json
|
|
* @param that
|
|
* Object to use for logging and "this" for callback
|
|
* @param callback
|
|
* Function to provide json-able object to save. If this isn't a
|
|
* function, it'll be used as the object to make a json string.
|
|
*/
|
|
jsonSave: function Utils_jsonSave(filePath, that, callback) {
|
|
filePath = "weave/" + filePath + ".json";
|
|
if (that._log)
|
|
that._log.trace("Saving json to disk: " + filePath);
|
|
|
|
let file = Utils.getProfileFile({ autoCreate: true, path: filePath });
|
|
let json = typeof callback == "function" ? callback.call(that) : callback;
|
|
let out = JSON.stringify(json);
|
|
let [fos] = Utils.open(file, ">");
|
|
fos.writeString(out);
|
|
fos.close();
|
|
},
|
|
|
|
/**
|
|
* Return a timer that is scheduled to call the callback after waiting the
|
|
* provided time or as soon as possible. The timer will be set as a property
|
|
* of the provided object with the given timer name.
|
|
*/
|
|
delay: function delay(callback, wait, thisObj, name) {
|
|
// Default to running right away
|
|
wait = wait || 0;
|
|
|
|
// Use a dummy object if one wasn't provided
|
|
thisObj = thisObj || {};
|
|
|
|
// Delay an existing timer if it exists
|
|
if (name in thisObj && thisObj[name] instanceof Ci.nsITimer) {
|
|
thisObj[name].delay = wait;
|
|
return;
|
|
}
|
|
|
|
// Create a special timer that we can add extra properties
|
|
let timer = {};
|
|
timer.__proto__ = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
|
|
|
|
// Provide an easy way to clear out the timer
|
|
timer.clear = function() {
|
|
thisObj[name] = null;
|
|
timer.cancel();
|
|
};
|
|
|
|
// Initialize the timer with a smart callback
|
|
timer.initWithCallback({
|
|
notify: function notify() {
|
|
// Clear out the timer once it's been triggered
|
|
timer.clear();
|
|
callback.call(thisObj, timer);
|
|
}
|
|
}, wait, timer.TYPE_ONE_SHOT);
|
|
|
|
return thisObj[name] = timer;
|
|
},
|
|
|
|
open: function open(pathOrFile, mode, perms) {
|
|
let stream, file;
|
|
|
|
if (pathOrFile instanceof Ci.nsIFile) {
|
|
file = pathOrFile;
|
|
} else {
|
|
file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile);
|
|
dump("PATH IS" + pathOrFile + "\n");
|
|
file.initWithPath(pathOrFile);
|
|
}
|
|
|
|
if (!perms)
|
|
perms = PERMS_FILE;
|
|
|
|
switch(mode) {
|
|
case "<": {
|
|
if (!file.exists())
|
|
throw "Cannot open file for reading, file does not exist";
|
|
let fis = Cc["@mozilla.org/network/file-input-stream;1"].
|
|
createInstance(Ci.nsIFileInputStream);
|
|
fis.init(file, MODE_RDONLY, perms, 0);
|
|
stream = Cc["@mozilla.org/intl/converter-input-stream;1"].
|
|
createInstance(Ci.nsIConverterInputStream);
|
|
stream.init(fis, "UTF-8", 4096,
|
|
Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER);
|
|
} break;
|
|
|
|
case ">": {
|
|
let fos = Cc["@mozilla.org/network/file-output-stream;1"].
|
|
createInstance(Ci.nsIFileOutputStream);
|
|
fos.init(file, MODE_WRONLY | MODE_CREATE | MODE_TRUNCATE, perms, 0);
|
|
stream = Cc["@mozilla.org/intl/converter-output-stream;1"]
|
|
.createInstance(Ci.nsIConverterOutputStream);
|
|
stream.init(fos, "UTF-8", 4096, 0x0000);
|
|
} break;
|
|
|
|
case ">>": {
|
|
let fos = Cc["@mozilla.org/network/file-output-stream;1"].
|
|
createInstance(Ci.nsIFileOutputStream);
|
|
fos.init(file, MODE_WRONLY | MODE_CREATE | MODE_APPEND, perms, 0);
|
|
stream = Cc["@mozilla.org/intl/converter-output-stream;1"]
|
|
.createInstance(Ci.nsIConverterOutputStream);
|
|
stream.init(fos, "UTF-8", 4096, 0x0000);
|
|
} break;
|
|
|
|
default:
|
|
throw "Illegal mode to open(): " + mode;
|
|
}
|
|
|
|
return [stream, file];
|
|
},
|
|
|
|
getIcon: function(iconUri, defaultIcon) {
|
|
try {
|
|
let iconURI = Utils.makeURI(iconUri);
|
|
return Svc.Favicon.getFaviconLinkForIcon(iconURI).spec;
|
|
}
|
|
catch(ex) {}
|
|
|
|
// Just give the provided default icon or the system's default
|
|
return defaultIcon || Svc.Favicon.defaultFavicon.spec;
|
|
},
|
|
|
|
getErrorString: function Utils_getErrorString(error, args) {
|
|
try {
|
|
return Str.errors.get(error, args || null);
|
|
} catch (e) {}
|
|
|
|
// basically returns "Unknown Error"
|
|
return Str.errors.get("error.reason.unknown");
|
|
},
|
|
|
|
// assumes an nsIConverterInputStream
|
|
readStream: function Weave_readStream(is) {
|
|
let ret = "", str = {};
|
|
while (is.readString(4096, str) != 0) {
|
|
ret += str.value;
|
|
}
|
|
return ret;
|
|
},
|
|
|
|
encodeUTF8: function(str) {
|
|
try {
|
|
var unicodeConverter = Cc["@mozilla.org/intl/scriptableunicodeconverter"]
|
|
.createInstance(Ci.nsIScriptableUnicodeConverter);
|
|
unicodeConverter.charset = "UTF-8";
|
|
str = unicodeConverter.ConvertFromUnicode(str);
|
|
return str + unicodeConverter.Finish();
|
|
} catch(ex) {
|
|
return null;
|
|
}
|
|
},
|
|
|
|
decodeUTF8: function(str) {
|
|
try {
|
|
var unicodeConverter = Cc["@mozilla.org/intl/scriptableunicodeconverter"]
|
|
.createInstance(Ci.nsIScriptableUnicodeConverter);
|
|
unicodeConverter.charset = "UTF-8";
|
|
str = unicodeConverter.ConvertToUnicode(str);
|
|
return str + unicodeConverter.Finish();
|
|
} catch(ex) {
|
|
return null;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Generate 26 characters.
|
|
*/
|
|
generatePassphrase: function generatePassphrase() {
|
|
// Note that this is a different base32 alphabet to the one we use for
|
|
// other tasks. It's lowercase, uses different letters, and needs to be
|
|
// decoded with decodeKeyBase32, not just decodeBase32.
|
|
return Utils.encodeKeyBase32(Utils.generateRandomBytes(16));
|
|
},
|
|
|
|
/**
|
|
* The following are the methods supported for UI use:
|
|
*
|
|
* * isPassphrase:
|
|
* determines whether a string is either a normalized or presentable
|
|
* passphrase.
|
|
* * hyphenatePassphrase:
|
|
* present a normalized passphrase for display. This might actually
|
|
* perform work beyond just hyphenation; sorry.
|
|
* * hyphenatePartialPassphrase:
|
|
* present a fragment of a normalized passphrase for display.
|
|
* * normalizePassphrase:
|
|
* take a presentable passphrase and reduce it to a normalized
|
|
* representation for storage. normalizePassphrase can safely be called
|
|
* on normalized input.
|
|
*/
|
|
|
|
isPassphrase: function(s) {
|
|
if (s) {
|
|
return /^[abcdefghijkmnpqrstuvwxyz23456789]{26}$/.test(Utils.normalizePassphrase(s));
|
|
}
|
|
return false;
|
|
},
|
|
|
|
/**
|
|
* Hyphenate a passphrase (26 characters) into groups.
|
|
* abbbbccccddddeeeeffffggggh
|
|
* =>
|
|
* a-bbbbc-cccdd-ddeee-effff-ggggh
|
|
*/
|
|
hyphenatePassphrase: function hyphenatePassphrase(passphrase) {
|
|
// For now, these are the same.
|
|
return Utils.hyphenatePartialPassphrase(passphrase, true);
|
|
},
|
|
|
|
hyphenatePartialPassphrase: function hyphenatePartialPassphrase(passphrase, omitTrailingDash) {
|
|
if (!passphrase)
|
|
return null;
|
|
|
|
// Get the raw data input. Just base32.
|
|
let data = passphrase.toLowerCase().replace(/[^abcdefghijkmnpqrstuvwxyz23456789]/g, "");
|
|
|
|
// This is the neatest way to do this.
|
|
if ((data.length == 1) && !omitTrailingDash)
|
|
return data + "-";
|
|
|
|
// Hyphenate it.
|
|
let y = data.substr(0,1);
|
|
let z = data.substr(1).replace(/(.{1,5})/g, "-$1");
|
|
|
|
// Correct length? We're done.
|
|
if ((z.length == 30) || omitTrailingDash)
|
|
return y + z;
|
|
|
|
// Add a trailing dash if appropriate.
|
|
return (y + z.replace(/([^-]{5})$/, "$1-")).substr(0, SYNC_KEY_HYPHENATED_LENGTH);
|
|
},
|
|
|
|
normalizePassphrase: function normalizePassphrase(pp) {
|
|
// Short var name... have you seen the lines below?!
|
|
pp = pp.toLowerCase();
|
|
if (pp.length == 31 && [1, 7, 13, 19, 25].every(function(i) pp[i] == '-'))
|
|
return pp.slice(0, 1) + pp.slice(2, 7)
|
|
+ pp.slice(8, 13) + pp.slice(14, 19)
|
|
+ pp.slice(20, 25) + pp.slice(26, 31);
|
|
return pp;
|
|
},
|
|
|
|
// WeaveCrypto returns bad base64 strings. Truncate excess padding
|
|
// and decode.
|
|
// See Bug 562431, comment 4.
|
|
safeAtoB: function safeAtoB(b64) {
|
|
let len = b64.length;
|
|
let over = len % 4;
|
|
return over ? atob(b64.substr(0, len - over)) : atob(b64);
|
|
},
|
|
|
|
/*
|
|
* Calculate the strength of a passphrase provided by the user
|
|
* according to the NIST algorithm (NIST 800-63 Appendix A.1).
|
|
*/
|
|
passphraseStrength: function passphraseStrength(value) {
|
|
let bits = 0;
|
|
|
|
// The entropy of the first character is taken to be 4 bits.
|
|
if (value.length)
|
|
bits = 4;
|
|
|
|
// The entropy of the next 7 characters are 2 bits per character.
|
|
if (value.length > 1)
|
|
bits += Math.min(value.length - 1, 7) * 2;
|
|
|
|
// For the 9th through the 20th character the entropy is taken to
|
|
// be 1.5 bits per character.
|
|
if (value.length > 8)
|
|
bits += Math.min(value.length - 8, 12) * 1.5;
|
|
|
|
// For characters 21 and above the entropy is taken to be 1 bit per character.
|
|
if (value.length > 20)
|
|
bits += value.length - 20;
|
|
|
|
// Bonus of 6 bits if we find non-alphabetic characters
|
|
if ([char.charCodeAt() for each (char in value.toLowerCase())]
|
|
.some(function(chr) chr < 97 || chr > 122))
|
|
bits += 6;
|
|
|
|
return bits;
|
|
},
|
|
|
|
/**
|
|
* Create an array like the first but without elements of the second
|
|
*/
|
|
arraySub: function arraySub(minuend, subtrahend) {
|
|
return minuend.filter(function(i) subtrahend.indexOf(i) == -1);
|
|
},
|
|
|
|
bind2: function Async_bind2(object, method) {
|
|
return function innerBind() { return method.apply(object, arguments); };
|
|
},
|
|
|
|
mpLocked: function mpLocked() {
|
|
let modules = Cc["@mozilla.org/security/pkcs11moduledb;1"].
|
|
getService(Ci.nsIPKCS11ModuleDB);
|
|
let sdrSlot = modules.findSlotByName("");
|
|
let status = sdrSlot.status;
|
|
let slots = Ci.nsIPKCS11Slot;
|
|
|
|
if (status == slots.SLOT_READY || status == slots.SLOT_LOGGED_IN
|
|
|| status == slots.SLOT_UNINITIALIZED)
|
|
return false;
|
|
|
|
if (status == slots.SLOT_NOT_LOGGED_IN)
|
|
return true;
|
|
|
|
// something wacky happened, pretend MP is locked
|
|
return true;
|
|
},
|
|
|
|
__prefs: null,
|
|
get prefs() {
|
|
if (!this.__prefs) {
|
|
this.__prefs = Cc["@mozilla.org/preferences-service;1"]
|
|
.getService(Ci.nsIPrefService);
|
|
this.__prefs = this.__prefs.getBranch(PREFS_BRANCH);
|
|
this.__prefs.QueryInterface(Ci.nsIPrefBranch2);
|
|
}
|
|
return this.__prefs;
|
|
}
|
|
};
|
|
|
|
let FakeSvc = {
|
|
// Private Browsing
|
|
"@mozilla.org/privatebrowsing;1": {
|
|
autoStarted: false,
|
|
privateBrowsingEnabled: false
|
|
},
|
|
// Session Restore
|
|
"@mozilla.org/browser/sessionstore;1": {
|
|
setTabValue: function(tab, key, value) {
|
|
if (!tab.__SS_extdata)
|
|
tab.__SS_extdata = {};
|
|
tab.__SS_extData[key] = value;
|
|
},
|
|
getBrowserState: function() {
|
|
// Fennec should have only one window. Not more, not less.
|
|
let state = { windows: [{ tabs: [] }] };
|
|
let window = Svc.WinMediator.getMostRecentWindow("navigator:browser");
|
|
|
|
// Extract various pieces of tab data
|
|
window.Browser._tabs.forEach(function(tab) {
|
|
let tabState = { entries: [{}] };
|
|
let browser = tab.browser;
|
|
|
|
// Cases when we want to skip the tab. Could come up if we get
|
|
// state as a tab is opening or closing.
|
|
if (!browser || !browser.currentURI || !browser.sessionHistory)
|
|
return;
|
|
|
|
let history = browser.sessionHistory;
|
|
if (history.count > 0) {
|
|
// We're only grabbing the current history entry for now.
|
|
let entry = history.getEntryAtIndex(history.index, false);
|
|
tabState.entries[0].url = entry.URI.spec;
|
|
// Like SessionStore really does it...
|
|
if (entry.title && entry.title != entry.url)
|
|
tabState.entries[0].title = entry.title;
|
|
}
|
|
// index is 1-based
|
|
tabState.index = 1;
|
|
|
|
// Get the image for the tab. Fennec doesn't quite work the same
|
|
// way as Firefox, so we'll just get this from the browser object.
|
|
tabState.attributes = { image: browser.mIconURL };
|
|
|
|
// Collect the extdata
|
|
if (tab.__SS_extdata) {
|
|
tabState.extData = {};
|
|
for (let key in tab.__SS_extdata)
|
|
tabState.extData[key] = tab.__SS_extdata[key];
|
|
}
|
|
|
|
// Add the tab to the window
|
|
state.windows[0].tabs.push(tabState);
|
|
});
|
|
return JSON.stringify(state);
|
|
}
|
|
},
|
|
// A fake service only used for testing
|
|
"@labs.mozilla.com/Fake/Thing;1": {
|
|
isFake: true
|
|
}
|
|
};
|
|
|
|
/*
|
|
* Commonly-used services
|
|
*/
|
|
let Svc = {};
|
|
Svc.Prefs = new Preferences(PREFS_BRANCH);
|
|
Svc.DefaultPrefs = new Preferences({branch: PREFS_BRANCH, defaultBranch: true});
|
|
Svc.Obs = Observers;
|
|
|
|
this.__defineGetter__("_sessionCID", function() {
|
|
//sets session CID based on browser type
|
|
let appInfo = Cc["@mozilla.org/xre/app-info;1"].getService(Ci.nsIXULAppInfo);
|
|
return appInfo.ID == SEAMONKEY_ID ? "@mozilla.org/suite/sessionstore;1"
|
|
: "@mozilla.org/browser/sessionstore;1";
|
|
});
|
|
[["Annos", "@mozilla.org/browser/annotation-service;1", "nsIAnnotationService"],
|
|
["AppInfo", "@mozilla.org/xre/app-info;1", "nsIXULAppInfo"],
|
|
["Bookmark", "@mozilla.org/browser/nav-bookmarks-service;1", "nsINavBookmarksService"],
|
|
["Directory", "@mozilla.org/file/directory_service;1", "nsIProperties"],
|
|
["Env", "@mozilla.org/process/environment;1", "nsIEnvironment"],
|
|
["Favicon", "@mozilla.org/browser/favicon-service;1", "nsIFaviconService"],
|
|
["Form", "@mozilla.org/satchel/form-history;1", "nsIFormHistory2"],
|
|
["History", "@mozilla.org/browser/nav-history-service;1", "nsPIPlacesDatabase"],
|
|
["Idle", "@mozilla.org/widget/idleservice;1", "nsIIdleService"],
|
|
["IO", "@mozilla.org/network/io-service;1", "nsIIOService"],
|
|
["KeyFactory", "@mozilla.org/security/keyobjectfactory;1", "nsIKeyObjectFactory"],
|
|
["Login", "@mozilla.org/login-manager;1", "nsILoginManager"],
|
|
["Memory", "@mozilla.org/xpcom/memory-service;1", "nsIMemory"],
|
|
["Private", "@mozilla.org/privatebrowsing;1", "nsIPrivateBrowsingService"],
|
|
["Profiles", "@mozilla.org/toolkit/profile-service;1", "nsIToolkitProfileService"],
|
|
["Prompt", "@mozilla.org/embedcomp/prompt-service;1", "nsIPromptService"],
|
|
["Script", "@mozilla.org/moz/jssubscript-loader;1", "mozIJSSubScriptLoader"],
|
|
["SysInfo", "@mozilla.org/system-info;1", "nsIPropertyBag2"],
|
|
["Version", "@mozilla.org/xpcom/version-comparator;1", "nsIVersionComparator"],
|
|
["WinMediator", "@mozilla.org/appshell/window-mediator;1", "nsIWindowMediator"],
|
|
["WinWatcher", "@mozilla.org/embedcomp/window-watcher;1", "nsIWindowWatcher"],
|
|
["Session", this._sessionCID, "nsISessionStore"],
|
|
].forEach(function(lazy) Utils.lazySvc(Svc, lazy[0], lazy[1], lazy[2]));
|
|
|
|
Svc.__defineGetter__("Crypto", function() {
|
|
let cryptoSvc;
|
|
try {
|
|
let ns = {};
|
|
Cu.import("resource://services-crypto/WeaveCrypto.js", ns);
|
|
cryptoSvc = new ns.WeaveCrypto();
|
|
} catch (ex) {
|
|
// Fallback to binary WeaveCrypto
|
|
cryptoSvc = Cc["@labs.mozilla.com/Weave/Crypto;1"].
|
|
getService(Ci.IWeaveCrypto);
|
|
}
|
|
delete Svc.Crypto;
|
|
return Svc.Crypto = cryptoSvc;
|
|
});
|
|
|
|
let Str = {};
|
|
["errors", "sync"]
|
|
.forEach(function(lazy) Utils.lazy2(Str, lazy, Utils.lazyStrings(lazy)));
|
|
|
|
Svc.Obs.add("xpcom-shutdown", function () {
|
|
for (let name in Svc)
|
|
delete Svc[name];
|
|
});
|