253 lines
12 KiB
PowerShell
253 lines
12 KiB
PowerShell
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#!powershell
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# This file is part of Ansible
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# Copyright: (c) 2017, Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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#Requires -Module Ansible.ModuleUtils.Legacy
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$ErrorActionPreference = "Stop"
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$store_name_values = ([System.Security.Cryptography.X509Certificates.StoreName]).GetEnumValues()
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$store_location_values = ([System.Security.Cryptography.X509Certificates.StoreLocation]).GetEnumValues()
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$params = Parse-Args $args -supports_check_mode $true
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$check_mode = Get-AnsibleParam -obj $params -name "_ansible_check_mode" -type "bool" -default $false
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$state = Get-AnsibleParam -obj $params -name "state" -type "str" -default "present" -validateset "absent", "exported", "present"
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$path = Get-AnsibleParam -obj $params -name "path" -type "path" -failifempty ($state -eq "present" -or $state -eq "exported")
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$thumbprint = Get-AnsibleParam -obj $params -name "thumbprint" -type "str" -failifempty ($state -eq "exported")
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$store_name = Get-AnsibleParam -obj $params -name "store_name" -type "str" -default "My" -validateset $store_name_values
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$store_location = Get-AnsibleParam -obj $params -name "store_location" -type "str" -default "LocalMachine" -validateset $store_location_values
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$password = Get-AnsibleParam -obj $params -name "password" -type "str"
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$key_exportable = Get-AnsibleParam -obj $params -name "key_exportable" -type "bool" -default $true
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$key_storage = Get-AnsibleParam -obj $param -name "key_storage" -type "str" -default "default" -validateset "default", "machine", "user"
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$file_type = Get-AnsibleParam -obj $params -name "file_type" -type "str" -default "der" -validateset "der", "pem", "pkcs12"
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$result = @{
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changed = $false
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thumbprints = @()
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}
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Function Get-CertFile($path, $password, $key_exportable, $key_storage) {
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# parses a certificate file and returns X509Certificate2Collection
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if (-not (Test-Path -Path $path -PathType Leaf)) {
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Fail-Json -obj $result -message "File at '$path' either does not exist or is not a file"
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}
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# must set at least the PersistKeySet flag so that the PrivateKey
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# is stored in a permanent container and not deleted once the handle
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# is gone.
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$store_flags = [System.Security.Cryptography.X509Certificates.X509KeyStorageFlags]::PersistKeySet
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$key_storage = $key_storage.substring(0,1).ToUpper() + $key_storage.substring(1).ToLower()
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$store_flags = $store_flags -bor [Enum]::Parse([System.Security.Cryptography.X509Certificates.X509KeyStorageFlags], "$($key_storage)KeySet")
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if ($key_exportable) {
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$store_flags = $store_flags -bor [System.Security.Cryptography.X509Certificates.X509KeyStorageFlags]::Exportable
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}
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# TODO: If I'm feeling adventurours, write code to parse PKCS#12 PEM encoded
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# file as .NET does not have an easy way to import this
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$certs = New-Object -TypeName System.Security.Cryptography.X509Certificates.X509Certificate2Collection
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try {
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$certs.Import($path, $password, $store_flags)
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} catch {
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Fail-Json -obj $result -message "Failed to load cert from file: $($_.Exception.Message)"
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}
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return $certs
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}
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Function New-CertFile($cert, $path, $type, $password) {
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$content_type = switch ($type) {
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"pem" { [System.Security.Cryptography.X509Certificates.X509ContentType]::Cert }
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"der" { [System.Security.Cryptography.X509Certificates.X509ContentType]::Cert }
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"pkcs12" { [System.Security.Cryptography.X509Certificates.X509ContentType]::Pkcs12 }
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}
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if ($type -eq "pkcs12") {
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$missing_key = $false
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if ($cert.PrivateKey -eq $null) {
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$missing_key = $true
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} elseif ($cert.PrivateKey.CspKeyContainerInfo.Exportable -eq $false) {
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$missing_key = $true
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}
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if ($missing_key) {
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Fail-Json -obj $result -message "Cannot export cert with key as PKCS12 when the key is not marked as exportable or not accesible by the current user"
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}
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}
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if (Test-Path -Path $path) {
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Remove-Item -Path $path -Force
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$result.changed = $true
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}
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try {
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$cert_bytes = $cert.Export($content_type, $password)
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} catch {
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Fail-Json -obj $result -message "Failed to export certificate as bytes: $($_.Exception.Message)"
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}
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# Need to manually handle a PEM file
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if ($type -eq "pem") {
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$cert_content = "-----BEGIN CERTIFICATE-----`r`n"
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$base64_string = [System.Convert]::ToBase64String($cert_bytes, [System.Base64FormattingOptions]::InsertLineBreaks)
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$cert_content += $base64_string
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$cert_content += "`r`n-----END CERTIFICATE-----"
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$file_encoding = [System.Text.Encoding]::ASCII
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$cert_bytes = $file_encoding.GetBytes($cert_content)
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} elseif ($type -eq "pkcs12") {
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$result.key_exported = $false
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if ($cert.PrivateKey -ne $null) {
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$result.key_exportable = $cert.PrivateKey.CspKeyContainerInfo.Exportable
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}
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}
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if (-not $check_mode) {
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try {
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[System.IO.File]::WriteAllBytes($path, $cert_bytes)
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} catch [System.ArgumentNullException] {
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Fail-Json -obj $result -message "Failed to write cert to file, cert was null: $($_.Exception.Message)"
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} catch [System.IO.IOException] {
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Fail-Json -obj $result -message "Failed to write cert to file due to IO exception: $($_.Exception.Message)"
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} catch [System.UnauthorizedAccessException, System>Security.SecurityException] {
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Fail-Json -obj $result -message "Failed to write cert to file due to permission: $($_.Exception.Message)"
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} catch {
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Fail-Json -obj $result -message "Failed to write cert to file: $($_.Exception.Message)"
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}
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}
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$result.changed = $true
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}
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Function Get-CertFileType($path, $password) {
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$certs = New-Object -TypeName System.Security.Cryptography.X509Certificates.X509Certificate2Collection
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try {
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$certs.Import($path, $password, 0)
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} catch [System.Security.Cryptography.CryptographicException] {
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# the file is a pkcs12 we just had the wrong password
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return "pkcs12"
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} catch {
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return "unknown"
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}
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$file_contents = Get-Content -Path $path -Raw
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if ($file_contents.StartsWith("-----BEGIN CERTIFICATE-----")) {
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return "pem"
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} elseif ($file_contents.StartsWith("-----BEGIN PKCS7-----")) {
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return "pkcs7-ascii"
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} elseif ($certs.Count -gt 1) {
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# multiple certs must be pkcs7
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return "pkcs7-binary"
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} elseif ($certs[0].HasPrivateKey) {
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return "pkcs12"
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} elseif ($path.EndsWith(".pfx") -or $path.EndsWith(".p12")) {
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# no way to differenciate a pfx with a der file so we must rely on the
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# extension
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return "pkcs12"
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} else {
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return "der"
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}
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}
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$store_name = [System.Security.Cryptography.X509Certificates.StoreName]::$store_name
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$store_location = [System.Security.Cryptography.X509Certificates.Storelocation]::$store_location
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$store = New-Object -TypeName System.Security.Cryptography.X509Certificates.X509Store -ArgumentList $store_name, $store_location
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try {
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$store.Open([System.Security.Cryptography.X509Certificates.OpenFlags]::ReadWrite)
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} catch [System.Security.Cryptography.CryptographicException] {
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Fail-Json -obj $result -message "Unable to open the store as it is not readable: $($_.Exception.Message)"
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} catch [System.Security.SecurityException] {
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Fail-Json -obj $result -message "Unable to open the store with the current permissions: $($_.Exception.Message)"
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} catch {
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Fail-Json -obj $result -message "Unable to open the store: $($_.Exception.Message)"
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}
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$store_certificates = $store.Certificates
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try {
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if ($state -eq "absent") {
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$cert_thumbprints = @()
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if ($path -ne $null) {
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$certs = Get-CertFile -path $path -password $password -key_exportable $key_exportable -key_storage $key_storage
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foreach ($cert in $certs) {
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$cert_thumbprints += $cert.Thumbprint
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}
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} elseif ($thumbprint -ne $null) {
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$cert_thumbprints += $thumbprint
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} else {
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Fail-Json -obj $result -message "Either path or thumbprint must be set when state=absent"
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}
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foreach ($cert_thumbprint in $cert_thumbprints) {
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$result.thumbprints += $cert_thumbprint
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$found_certs = $store_certificates.Find([System.Security.Cryptography.X509Certificates.X509FindType]::FindByThumbprint, $cert_thumbprint, $false)
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if ($found_certs.Count -gt 0) {
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foreach ($found_cert in $found_certs) {
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try {
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if (-not $check_mode) {
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$store.Remove($found_cert)
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}
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} catch [System.Security.SecurityException] {
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Fail-Json -obj $result -message "Unable to remove cert with thumbprint '$cert_thumbprint' with the current permissions: $($_.Exception.Message)"
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} catch {
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Fail-Json -obj $result -message "Unable to remove cert with thumbprint '$cert_thumbprint': $($_.Exception.Message)"
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}
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$result.changed = $true
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}
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}
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}
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} elseif ($state -eq "exported") {
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# TODO: Add support for PKCS7 and exporting a cert chain
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$result.thumbprints += $thumbprint
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$export = $true
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if (Test-Path -Path $path -PathType Container) {
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Fail-Json -obj $result -message "Cannot export cert to path '$path' as it is a directory"
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} elseif (Test-Path -Path $path -PathType Leaf) {
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$actual_cert_type = Get-CertFileType -path $path -password $password
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if ($actual_cert_type -eq $file_type) {
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try {
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$certs = Get-CertFile -path $path -password $password -key_exportable $key_exportable -key_storage $key_storage
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} catch {
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# failed to load the file so we set the thumbprint to something
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# that will fail validation
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$certs = @{Thumbprint = $null}
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}
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if ($certs.Thumbprint -eq $thumbprint) {
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$export = $false
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}
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}
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}
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if ($export) {
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$found_certs = $store_certificates.Find([System.Security.Cryptography.X509Certificates.X509FindType]::FindByThumbprint, $thumbprint, $false)
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if ($found_certs.Count -ne 1) {
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Fail-Json -obj $result -message "Found $($found_certs.Count) certs when only expecting 1"
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}
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New-CertFile -cert $found_certs -path $path -type $file_type -password $password
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}
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} else {
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$certs = Get-CertFile -path $path -password $password -key_exportable $key_exportable -key_storage $key_storage
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foreach ($cert in $certs) {
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$result.thumbprints += $cert.Thumbprint
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$found_certs = $store_certificates.Find([System.Security.Cryptography.X509Certificates.X509FindType]::FindByThumbprint, $cert.Thumbprint, $false)
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if ($found_certs.Count -eq 0) {
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try {
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if (-not $check_mode) {
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$store.Add($cert)
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}
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} catch [System.Security.Cryptography.CryptographicException] {
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Fail-Json -obj $result -message "Unable to import certificate with thumbprint '$($cert.Thumbprint)' with the current permissions: $($_.Exception.Message)"
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} catch {
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Fail-Json -obj $result -message "Unable to import certificate with thumbprint '$($cert.Thumbprint)': $($_.Exception.Message)"
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}
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$result.changed = $true
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}
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}
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}
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} finally {
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$store.Close()
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}
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Exit-Json -obj $result
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