PSCredentialStore/src/Private/Import-CSPfxCertificate.ps1

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function Import-CSPfxCertificate {
<#
.SYNOPSIS
Adds a given pfx certificate file to current user's personal certificate store.
.DESCRIPTION
This function is used to import existing pfx certificate files. The Import-PFXCertificate cmdlet from the
PKI module imports the certificate into a deprecated store. Thus you can't read the private key afterwards or
using it for decrypting data.
.PARAMETER Path
Path to an existing *.pfx certificate file.
.PARAMETER StoreName
Additionally you change change the store where you want the certificate into.
.INPUTS
[None]
.OUTPUTS
[None]
.EXAMPLE
Import-CSPfxCertificate -Path (Join-Path -Path $Env:APPDATA -ChildPath '/PSCredentialStore.pfx')
.NOTES
File Name : Import-CSPfxCertificate.ps1
Author : Marco Blessing - marco.blessing@googlemail.com
Requires :
.LINK
https://github.com/OCram85/PSCredentialStore
#>
[CmdletBinding()]
[OutputType()]
param(
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[string]$Path,
[Parameter(Mandatory = $false)]
[ValidateSet(
'AddressBook',
'AuthRoot',
'CertificateAuthority',
'Disallowed',
'My',
'Root',
'TrustedPeople',
'TrustedPublisher'
)]
[string]$StoreName = 'My',
[Parameter(Mandatory = $false)]
[ValidateSet(
'CurrentUser',
'LocalMachine'
)]
[string]$StoreLocation = 'CurrentUser',
[Parameter(Mandatory = $false)]
[ValidateSet(
'ReadOnly',
'ReadWrite',
'MaxAllowed',
'OpenExistingOnly',
'IncludeArchived'
)]
[string]$OpenFlags = 'ReadWrite'
)
begin {
$Store = [System.Security.Cryptography.X509Certificates.X509Store]::new($StoreName, $StoreLocation)
try {
$Store.Open($OpenFlags)
}
catch {
$_.Exception.Message | Write-Error -ErrorAction Stop
}
}
process {
try {
$cert = [System.Security.Cryptography.X509Certificates.X509Certificate2]::new(
$Path,
$null,
(
[System.Security.Cryptography.X509Certificates.X509KeyStorageFlags]::Exportable -bor
[System.Security.Cryptography.X509Certificates.X509KeyStorageFlags]::PersistKeySet
)
)
if (Test-CSPfxCertificate -Thumbprint $cert.Thumbprint) {
Write-Warning -Message ('The certificate with thumbprint {0} is already present!' -f $cert.Thumbprint)
}
else {
$Store.Add($cert)
}
}
catch {
$_.Exception.Message | Write-Error -ErrorAction Stop
$ErrorParams = @{
ErrorAction = 'Stop'
Exception = [System.Exception]::new(
'Could not read or add the pfx certificate!'
)
}
Write-Error @ErrorParams
}
}
end {
$Store.Close()
}
}