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updates to Uninstall-MSI

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This commit is contained in:
dyoder
2023-10-19 11:38:55 -04:00
parent 589055732e
commit 48c4abb60a
1 changed files with 35 additions and 17 deletions
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Tools.ps1
+35 -17
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@@ -892,55 +892,73 @@ Function Get-GUIDFromMSIUninstallString ([string]$str) {
Return $retval
}
Function Uninstall-MSI ([Parameter(ValueFromPipeline=$true)][string[]]$APP_NAMES) {
PROCESS {
Function Uninstall-MSI {
param(
[Parameter(ValueFromPipeline=$true,Mandatory=$true)][string[]]$APP_NAMES,
[Parameter(ValueFromPipeline=$false,Mandatory=$false)][switch]$Match,
[Parameter(ValueFromPipeline=$false,Mandatory=$false)][switch]$IncludeNonMSI
)
BEGIN {
# Get all of the uninstall registry keys
$UNINSTALL_KEYS = Get-ChildItem -Path HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall -ErrorAction SilentlyContinue
$UNINSTALL_KEYS += Get-ChildItem -Path HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall -ErrorAction SilentlyContinue
# Exit if we can't find any software at all
If ( $UNINSTALL_KEYS.Length -eq 0 ) { Write-Error "Attempted to uninstall ${APP_NAMES} but could not find any installed apps in the Windows Registry" ; Return }
If ( $UNINSTALL_KEYS.Length -eq 0 ) { Write-Error "Could not find any installed apps in the Windows Registry" ; Return }
# Array to store custom objects about each installed MSI app
# Array to store custom objects about each installed MSI app
$INSTALLED_APPS = @()
Foreach ( $reg in $UNINSTALL_KEYS ) {
# Get the uninstall key
$REG_PROPERTY = Get-ItemProperty -Path $reg.PSPath
# Guards to prevent working with incompatible apps
# Skip apps missing both the UninstallString and ModifyPath
If ( [string]::IsNullOrEmpty($REG_PROPERTY.UninstallString) -and [string]::IsNullOrEmpty($REG_PROPERTY.ModifyPath) ) { Continue }
# Determine if the app is installed via MSI
If ( $REG_PROPERTY.WindowsInstaller -eq 1 ) { $UNINSTALL_SUPPORTED = $true } Else { $UNINSTALL_SUPPORTED = $false }
If ( $REG_PROPERTY.WindowsInstaller -eq 1 ) {
# Get the product code from the UninstallString or ModifyPath if the app is installed via MSI
[string]$PRODUCT_CODE = $null
If ( ![string]::IsNullOrEmpty($REG_PROPERTY.UninstallString) -and $UNINSTALL_SUPPORTED ) { $PRODUCT_CODE = $(Get-GUIDFromMSIUninstallString -str $REG_PROPERTY.UninstallString) }
$MSI = $true
# Get the product code from the ModifyPath
ElseIf ( ![string]::IsNullOrEmpty($REG_PROPERTY.ModifyPath) -and $UNINSTALL_SUPPORTED ) { $PRODUCT_CODE = $(Get-GUIDFromMSIUninstallString -str $REG_PROPERTY.ModifyPath) }
# Get the product code from the UninstallString or ModifyPath if the app is installed via MSI
If ( ![string]::IsNullOrEmpty($REG_PROPERTY.UninstallString) ) { $PRODUCT_CODE = $(Get-GUIDFromMSIUninstallString -str $REG_PROPERTY.UninstallString) }
# Additional guard to prevent adding an app with no product code
If ( [string]::IsNullOrEmpty($PRODUCT_CODE) ) { Continue }
# Get the product code from the ModifyPath
ElseIf ( ![string]::IsNullOrEmpty($REG_PROPERTY.ModifyPath) ) { $PRODUCT_CODE = $(Get-GUIDFromMSIUninstallString -str $REG_PROPERTY.ModifyPath) }
# Don't add an app with an unknown product code
If ( [string]::IsNullOrEmpty($PRODUCT_CODE) ) { Continue }
} Else { $MSI = $false }
# Get a usable name for the entry
If ( $REG_PROPERTY.DisplayName)
$customObject = [PSCustomObject]@{
UninstallSupported = $UNINSTALL_SUPPORTED
MSI = $MSI
DisplayName = $REG_PROPERTY.DisplayName
UninstallString = $REG_PROPERTY.UninstallString
ModifyPath = $REG_PROPERTY.ModifyPath
ProductCode = $PRODUCT_CODE
}
# Cleanup object properties
If ( $customObject.)
$INSTALLED_APPS += $customObject
}
}
PROCESS {
Foreach ( $app in $APP_NAMES ) {
Foreach ( $installed_app in $INSTALLED_APPS ) {
# Make sure the DisplayName matches what we're looking for
If ( !($installed_app.DisplayName -ilike $app) ) { Continue }
# Do not add apps which name does not match the one we're looking for
Switch ( $Match ) {
$true { If ( !($installed_app.DisplayName -match $app) ) { Continue } }
$false { If ( !($installed_app.DisplayName -ilike $app) ) { Continue } }
}
$DisplayName = $installed_app.DisplayName
$UninstallString = $installed_app.UninstallString