1 /*
   2  * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 
  25 function readMsi(msiPath, callback) {
  26     var installer = new ActiveXObject('WindowsInstaller.Installer')
  27     var database = installer.OpenDatabase(msiPath, 0 /* msiOpenDatabaseModeReadOnly */)
  28 
  29     return callback(database)
  30 }
  31 
  32 
  33 function queryAllProperties(db) {
  34     var reply = {}
  35 
  36     var view = db.OpenView("SELECT `Property`, `Value` FROM Property")
  37     view.Execute()
  38 
  39     try {
  40         while(true) {
  41             var record = view.Fetch()
  42             if (!record) {
  43                 break
  44             }
  45 
  46             var name = record.StringData(1)
  47             var value = record.StringData(2)
  48 
  49             reply[name] = value
  50         }
  51     } finally {
  52         view.Close()
  53     }
  54 
  55     return reply
  56 }
  57 
  58 
  59 (function () {
  60     var msi = WScript.arguments(0)
  61     var propName = WScript.arguments(1)
  62 
  63     var props = readMsi(msi, queryAllProperties)
  64     WScript.Echo(props[propName])
  65 })()