mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-08 04:27:37 +00:00
15d84c6df5
Note that there are some strange things re: whitespace in engines/bookmarks.js in this changeset; I literally only changed one line, though, and I'm not sure where they came from. Maybe it was js2-mode?
444 lines
13 KiB
JavaScript
444 lines
13 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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*
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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'];
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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://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://weave/constants.js");
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Cu.import("resource://weave/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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// Generates a brand-new globally unique identifier (GUID).
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makeGUID: function makeGUID() {
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let uuidgen = Cc["@mozilla.org/uuid-generator;1"].
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getService(Ci.nsIUUIDGenerator);
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return uuidgen.generateUUID().toString().replace(/[{}]/g, '');
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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 dirSvc = Cc["@mozilla.org/file/directory_service;1"].
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getService(Ci.nsIProperties);
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let file = dirSvc.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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getLoginManager: function getLoginManager() {
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return Cc["@mozilla.org/login-manager;1"].
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getService(Ci.nsILoginManager);
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},
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makeNewLoginInfo: function getNewLoginInfo() {
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return new Components.Constructor(
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"@mozilla.org/login-manager/loginInfo;1",
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Ci.nsILoginInfo,
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"init"
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);
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},
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findPassword: function findPassword(realm, username) {
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// fixme: make a request and get the realm ?
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let password;
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let lm = Cc["@mozilla.org/login-manager;1"]
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.getService(Ci.nsILoginManager);
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let logins = lm.findLogins({}, 'chrome://sync', null, realm);
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for (let i = 0; i < logins.length; i++) {
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if (logins[i].username == username) {
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password = logins[i].password;
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break;
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}
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}
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return password;
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},
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setPassword: function setPassword(realm, username, password) {
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// cleanup any existing passwords
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let lm = Cc["@mozilla.org/login-manager;1"]
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.getService(Ci.nsILoginManager);
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let logins = lm.findLogins({}, 'chrome://sync', null, realm);
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for (let i = 0; i < logins.length; i++)
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lm.removeLogin(logins[i]);
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if (!password)
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return;
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// save the new one
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let nsLoginInfo = new Components.Constructor(
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"@mozilla.org/login-manager/loginInfo;1", Ci.nsILoginInfo, "init");
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let login = new nsLoginInfo('chrome://sync', null, realm,
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username, password, "", "");
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lm.addLogin(login);
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},
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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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let getter = 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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dest.__defineGetter__(prop, getter);
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},
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deepEquals: function Weave_deepEquals(a, b) {
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if (!a && !b)
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return true;
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if (!a || !b)
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return false;
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// if neither is an object, just use ==
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if (typeof(a) != "object" && typeof(b) != "object")
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return a == b;
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// check if only one of them is an object
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if (typeof(a) != "object" || typeof(b) != "object")
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return false;
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if ("Array" == a.constructor.name && "Array" == b.constructor.name) {
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if (a.length != b.length)
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return false;
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for (let i = 0; i < a.length; i++) {
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if (!Utils.deepEquals(a[i], b[i]))
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return false;
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}
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} else {
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// check if only one of them is an array
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if ("Array" == a.constructor.name || "Array" == b.constructor.name)
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return false;
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for (let key in a) {
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if (!Utils.deepEquals(a[key], b[key]))
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return false;
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}
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}
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return true;
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},
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deepCopy: function Weave_deepCopy(thing) {
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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 ("Array" == thing.constructor.name) {
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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]));
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} else {
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ret = {};
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for (let key in thing)
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ret[key] = Utils.deepCopy(thing[key]);
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}
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return ret;
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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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let location = e.location? " (" + e.location + ")" : "";
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return message + location;
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},
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stackTrace: function Weave_stackTrace(stackFrame, str) {
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if (stackFrame.caller)
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str = Utils.stackTrace(stackFrame.caller, str);
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if (!str)
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str = "";
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str = stackFrame + "\n" + str;
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return str;
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},
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checkStatus: function Weave_checkStatus(code, msg, ranges) {
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if (!ranges)
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ranges = [[200,300]];
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for (let i = 0; i < ranges.length; i++) {
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var rng = ranges[i];
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if (typeof(rng) == "object" && code >= rng[0] && code < rng[1])
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return true;
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else if (typeof(rng) == "number" && code == rng) {
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return true;
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}
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}
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if (msg) {
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let log = Log4Moz.Service.getLogger("Service.Util");
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log.error(msg + " Error code: " + code);
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}
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return false;
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},
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ensureStatus: function Weave_ensureStatus(args) {
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if (!Utils.checkStatus.apply(Utils, arguments))
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throw 'checkStatus failed';
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},
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sha1: function Weave_sha1(string) {
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let converter = Cc["@mozilla.org/intl/scriptableunicodeconverter"].
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createInstance(Ci.nsIScriptableUnicodeConverter);
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converter.charset = "UTF-8";
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let hasher = Cc["@mozilla.org/security/hash;1"]
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.createInstance(Ci.nsICryptoHash);
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hasher.init(hasher.SHA1);
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let data = converter.convertToByteArray(string, {});
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hasher.update(data, data.length);
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let rawHash = hasher.finish(false);
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// return the two-digit hexadecimal code for a byte
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function toHexString(charCode) {
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return ("0" + charCode.toString(16)).slice(-2);
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}
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let hash = [toHexString(rawHash.charCodeAt(i)) for (i in rawHash)].join("");
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return hash;
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},
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makeURI: function Weave_makeURI(URIString) {
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if (URIString === null || URIString == "")
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return null;
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let ioservice = Cc["@mozilla.org/network/io-service;1"].
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getService(Ci.nsIIOService);
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return ioservice.newURI(URIString, null, null);
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},
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xpath: function Weave_xpath(xmlDoc, xpathString) {
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let root = xmlDoc.ownerDocument == null ?
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xmlDoc.documentElement : xmlDoc.ownerDocument.documentElement;
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let nsResolver = xmlDoc.createNSResolver(root);
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return xmlDoc.evaluate(xpathString, xmlDoc, nsResolver,
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Ci.nsIDOMXPathResult.ANY_TYPE, null);
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},
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runCmd: function Weave_runCmd() {
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var binary;
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var args = [];
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for (let i = 0; i < arguments.length; ++i) {
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args.push(arguments[i]);
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}
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if (args[0] instanceof Ci.nsIFile) {
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binary = args.shift();
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} else {
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binary = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile);
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binary.initWithPath(args.shift());
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}
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var p = Cc["@mozilla.org/process/util;1"].createInstance(Ci.nsIProcess);
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p.init(binary);
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let log = Log4Moz.Service.getLogger("Service.Util");
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log.debug("Running command: " + binary.path + " " + args.join(" "));
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p.run(true, args, args.length);
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return p.exitValue;
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},
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getTmp: function Weave_getTmp(name) {
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let ds = Cc["@mozilla.org/file/directory_service;1"].
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getService(Ci.nsIProperties);
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let tmp = ds.get("ProfD", Ci.nsIFile);
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tmp.QueryInterface(Ci.nsILocalFile);
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tmp.append("weave");
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tmp.append("tmp");
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if (!tmp.exists())
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tmp.create(tmp.DIRECTORY_TYPE, PERMS_DIRECTORY);
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if (name)
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tmp.append(name);
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return tmp;
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},
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// Returns a timer that is scheduled to call the given callback as
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// soon as possible.
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makeTimerForCall: function makeTimerForCall(cb) {
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let timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
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timer.initWithCallback(new Utils.EventListener(cb),
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0, timer.TYPE_ONE_SHOT);
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return timer;
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},
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open: function open(pathOrFile, mode, perms) {
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let stream, file;
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if (pathOrFile instanceof Ci.nsIFile) {
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file = pathOrFile;
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} else {
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file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile);
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dump("PATH IS" + pathOrFile + "\n");
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file.initWithPath(pathOrFile);
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}
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if (!perms)
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perms = PERMS_FILE;
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switch(mode) {
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case "<": {
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if (!file.exists())
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throw "Cannot open file for reading, file does not exist";
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let fis = Cc["@mozilla.org/network/file-input-stream;1"].
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createInstance(Ci.nsIFileInputStream);
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fis.init(file, MODE_RDONLY, perms, 0);
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stream = Cc["@mozilla.org/intl/converter-input-stream;1"].
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createInstance(Ci.nsIConverterInputStream);
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stream.init(fis, "UTF-8", 4096,
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Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER);
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} break;
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case ">": {
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let fos = Cc["@mozilla.org/network/file-output-stream;1"].
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createInstance(Ci.nsIFileOutputStream);
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fos.init(file, MODE_WRONLY | MODE_CREATE | MODE_TRUNCATE, perms, 0);
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stream = Cc["@mozilla.org/intl/converter-output-stream;1"]
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.createInstance(Ci.nsIConverterOutputStream);
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stream.init(fos, "UTF-8", 4096, 0x0000);
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} break;
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case ">>": {
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let fos = Cc["@mozilla.org/network/file-output-stream;1"].
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createInstance(Ci.nsIFileOutputStream);
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fos.init(file, MODE_WRONLY | MODE_CREATE | MODE_APPEND, perms, 0);
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stream = Cc["@mozilla.org/intl/converter-output-stream;1"]
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.createInstance(Ci.nsIConverterOutputStream);
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stream.init(fos, "UTF-8", 4096, 0x0000);
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} break;
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default:
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throw "Illegal mode to open(): " + mode;
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}
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return [stream, file];
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},
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// assumes an nsIConverterInputStream
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readStream: function Weave_readStream(is) {
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let ret = "", str = {};
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while (is.readString(4096, str) != 0) {
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ret += str.value;
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}
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return ret;
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},
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bind2: function Async_bind2(object, method) {
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return function innerBind() { return method.apply(object, arguments); };
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},
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__prefs: null,
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get prefs() {
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if (!this.__prefs) {
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this.__prefs = Cc["@mozilla.org/preferences-service;1"]
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.getService(Ci.nsIPrefService);
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this.__prefs = this.__prefs.getBranch(PREFS_BRANCH);
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this.__prefs.QueryInterface(Ci.nsIPrefBranch2);
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}
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return this.__prefs;
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},
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/*
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* Event listener object
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* Used to handle XMLHttpRequest and nsITimer callbacks
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*/
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EventListener: function Weave_EventListener(handler, eventName) {
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this._handler = handler;
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this._eventName = eventName;
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this._log = Log4Moz.Service.getLogger("Async.EventHandler");
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this._log.level =
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Log4Moz.Level[Utils.prefs.getCharPref("log.logger.async")];
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}
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};
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Utils.EventListener.prototype = {
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QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback, Ci.nsISupports]),
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// DOM event listener
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handleEvent: function EL_handleEvent(event) {
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this._log.trace("Handling event " + this._eventName);
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this._handler(event);
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},
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// nsITimerCallback
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notify: function EL_notify(timer) {
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//this._log.trace("Timer fired");
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this._handler(timer);
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}
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}
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