From 8c00ff40b13dfe8e932aac33ef66a470d15052c6 Mon Sep 17 00:00:00 2001
From: Adam Bertram <adbertram@gmail.com>
Date: Sun, 30 Jun 2019 12:14:08 -0500
Subject: [PATCH] Create Get-MSIDatabaseProperties.ps1

---
 Software/Get-MSIDatabaseProperties.ps1 | 70 ++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 Software/Get-MSIDatabaseProperties.ps1

diff --git a/Software/Get-MSIDatabaseProperties.ps1 b/Software/Get-MSIDatabaseProperties.ps1
new file mode 100644
index 0000000..95057b7
--- /dev/null
+++ b/Software/Get-MSIDatabaseProperties.ps1
@@ -0,0 +1,70 @@
+<# 
+    .SYNOPSIS
+        This function retrieves properties from a Windows Installer MSI database. 
+    .DESCRIPTION
+        This function uses the WindowInstaller COM object to pull all values from the Property table from a MSI.
+    .EXAMPLE
+        Get-MsiDatabaseProperties 'MSI_PATH' 
+    .PARAMETER FilePath
+        The path to the MSI you'd like to query
+#>
+[CmdletBinding()]
+param (
+    [Parameter(Mandatory=$True,
+    ValueFromPipeline=$True,
+    ValueFromPipelineByPropertyName=$True,
+    HelpMessage='What is the path of the MSI you would like to query?')]
+    [IO.FileInfo[]]$FilePath
+)
+
+begin {
+    $com_object = New-Object -com WindowsInstaller.Installer
+}
+
+process {
+    try {
+        $database = $com_object.GetType().InvokeMember(
+            "OpenDatabase",
+            "InvokeMethod",
+            $Null,
+            $com_object,
+            @($FilePath.FullName, 0)
+        )
+
+        $query = "SELECT * FROM Property"
+        $View = $database.GetType().InvokeMember(
+            "OpenView",
+            "InvokeMethod",
+            $Null,
+            $database,
+            ($query)
+        )
+
+        $View.GetType().InvokeMember("Execute", "InvokeMethod", $Null, $View, $Null)
+
+        $record = $View.GetType().InvokeMember(
+            "Fetch",
+            "InvokeMethod",
+            $Null,
+            $View,
+            $Null
+        )
+
+        $msi_props = @{}
+        while ($record -ne $null) {
+            $msi_props[$record.GetType().InvokeMember("StringData", "GetProperty", $Null, $record, 1)] = $record.GetType().InvokeMember("StringData", "GetProperty", $Null, $record, 2)
+            $record = $View.GetType().InvokeMember(
+                "Fetch",
+                "InvokeMethod",
+                $Null,
+                $View,
+                $Null
+            )
+        }
+
+        $msi_props
+
+        } catch {
+            throw "Failed to get MSI file properties the error was: {0}." -f $_
+        }
+}