The Tor Browser / file revision

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/.

  */

 const Ci = Components.interfaces;

 const Cc = Components.classes;

 const NS_ERROR_IN_PROGRESS = 2152398863;

 const PR_RDONLY      = 0x01

 const PR_WRONLY      = 0x02

 const PR_RDWR        = 0x04

 const PR_CREATE_FILE = 0x08

 const PR_APPEND      = 0x10

 const PR_TRUNCATE    = 0x20

 const PR_SYNC        = 0x40

 const PR_EXCL        = 0x80

 const ZIP_EOCDR_HEADER_SIZE = 22;

 const ZIP_FILE_HEADER_SIZE = 30;

 const ZIP_CDS_HEADER_SIZE = 46;

 const ZIP_METHOD_STORE = 0

 const ZIP_METHOD_DEFLATE = 8

 const ZIP_EXTENDED_TIMESTAMP_SIZE = 9;

 const PR_USEC_PER_MSEC = 1000;

 const PR_USEC_PER_SEC  = 1000000;

 const PR_MSEC_PER_SEC  = 1000;

 const DATA_DIR = "data/";

 var ioSvc = Cc["@mozilla.org/network/io-service;1"]

              .getService(Ci.nsIIOService);

 var ZipWriter = Components.Constructor("@mozilla.org/zipwriter;1",

                                        "nsIZipWriter");

 var ZipReader = Components.Constructor("@mozilla.org/libjar/zip-reader;1",

                                        "nsIZipReader", "open");

 var tmpDir = do_get_profile();

 var tmpFile = tmpDir.clone();

 tmpFile.append("zipwriter-test.zip");

 if (tmpFile.exists())

   tmpFile.remove(true);

 var zipW = new ZipWriter();