DSCResources/Helper.psm1
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# Localized messages data LocalizedData { # culture="en-US" ConvertFrom-StringData -StringData @' ModuleNotFound = Please ensure that the PowerShell module for role {0} is installed. '@ } <# .SYNOPSIS Internal function to throw terminating error with specified errroCategory, errorId and errorMessage .PARAMETER ErrorId Specifies the Id error message. .PARAMETER ErrorMessage Specifies full Error Message to be returned. .PARAMETER ErrorCategory Specifies Error Category. #> function New-TerminatingError { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [String] $ErrorId, [Parameter(Mandatory = $true)] [String] $ErrorMessage, [Parameter(Mandatory = $true)] [System.Management.Automation.ErrorCategory] $ErrorCategory ) $exception = New-Object System.InvalidOperationException $ErrorMessage $errorRecord = New-Object System.Management.Automation.ErrorRecord ` $exception, $ErrorId, $ErrorCategory, $null throw $errorRecord } <# .SYNOPSIS Internal function to assert if the module exists .PARAMETER ModuleName Module to test #> function Assert-Module { [CmdletBinding()] param ( [Parameter()] [String]$ModuleName = 'WebAdministration' ) if(-not(Get-Module -Name $ModuleName -ListAvailable)) { $errorMsg = $($LocalizedData.ModuleNotFound) -f $ModuleName New-TerminatingError -ErrorId 'ModuleNotFound' ` -ErrorMessage $errorMsg ` -ErrorCategory ObjectNotFound } } <# .SYNOPSIS Locates one or more certificates using the passed certificate selector parameters. If more than one certificate is found matching the selector criteria, they will be returned in order of descending expiration date. .PARAMETER Thumbprint The thumbprint of the certificate to find. .PARAMETER FriendlyName The friendly name of the certificate to find. .PARAMETER Subject The subject of the certificate to find. .PARAMETER DNSName The subject alternative name of the certificate to export must contain these values. .PARAMETER Issuer The issuer of the certiicate to find. .PARAMETER KeyUsage The key usage of the certificate to find must contain these values. .PARAMETER EnhancedKeyUsage The enhanced key usage of the certificate to find must contain these values. .PARAMETER Store The Windows Certificate Store Name to search for the certificate in. Defaults to 'My'. .PARAMETER AllowExpired Allows expired certificates to be returned. #> function Find-Certificate { [CmdletBinding()] [OutputType([System.Security.Cryptography.X509Certificates.X509Certificate2[]])] param ( [Parameter()] [String] $Thumbprint, [Parameter()] [String] $FriendlyName, [Parameter()] [String] $Subject, [Parameter()] [String[]] $DNSName, [Parameter()] [String] $Issuer, [Parameter()] [String[]] $KeyUsage, [Parameter()] [String[]] $EnhancedKeyUsage, [Parameter()] [String] $Store = 'My', [Parameter()] [Boolean] $AllowExpired = $false ) $certPath = Join-Path -Path 'Cert:\LocalMachine' -ChildPath $Store if (-not (Test-Path -Path $certPath)) { # The Certificte Path is not valid New-InvalidArgumentError ` -ErrorId 'CannotFindCertificatePath' ` -ErrorMessage ($LocalizedData.CertificatePathError -f $certPath) } # if # Assemble the filter to use to select the certificate $certFilters = @() if ($PSBoundParameters.ContainsKey('Thumbprint')) { $certFilters += @('($_.Thumbprint -eq $Thumbprint)') } # if if ($PSBoundParameters.ContainsKey('FriendlyName')) { $certFilters += @('($_.FriendlyName -eq $FriendlyName)') } # if if ($PSBoundParameters.ContainsKey('Subject')) { $certFilters += @('(@(Compare-Object ` -ReferenceObject (($_.Subject -split ", ").trim()|sort-object) ` -DifferenceObject (($subject -split ",").trim()|sort-object)| ` Where-Object -Property SideIndicator -eq "=>").Count -eq 0)') } # if if ($PSBoundParameters.ContainsKey('Issuer')) { $certFilters += @('($_.Issuer -eq $Issuer)') } # if if (-not $AllowExpired) { $certFilters += @('(((Get-Date) -le $_.NotAfter) -and ((Get-Date) -ge $_.NotBefore))') } # if if ($PSBoundParameters.ContainsKey('DNSName')) { $certFilters += @('(@(Compare-Object ` -ReferenceObject $_.DNSNameList.Unicode ` -DifferenceObject $DNSName | ` Where-Object -Property SideIndicator -eq "=>").Count -eq 0)') } # if if ($PSBoundParameters.ContainsKey('KeyUsage')) { $certFilters += @('(@(Compare-Object ` -ReferenceObject ($_.Extensions.KeyUsages -split ", ") ` -DifferenceObject $KeyUsage | ` Where-Object -Property SideIndicator -eq "=>").Count -eq 0)') } # if if ($PSBoundParameters.ContainsKey('EnhancedKeyUsage')) { $certFilters += @('(@(Compare-Object ` -ReferenceObject ($_.EnhancedKeyUsageList.FriendlyName) ` -DifferenceObject $EnhancedKeyUsage | ` Where-Object -Property SideIndicator -eq "=>").Count -eq 0)') } # if # Join all the filters together $certFilterScript = '(' + ($certFilters -join ' -and ') + ')' Write-Verbose -Message ($LocalizedData.SearchingForCertificateUsingFilters ` -f $store,$certFilterScript) $certs = Get-ChildItem -Path $certPath | Where-Object -FilterScript ([ScriptBlock]::Create($certFilterScript)) # Sort the certificates if ($certs.count -gt 1) { $certs = $certs | Sort-Object -Descending -Property 'NotAfter' } # if return $certs } # end function Find-Certificate <# .SYNOPSIS Retrieves the localized string data based on the machine's culture. Falls back to en-US strings if the machine's culture is not supported. .PARAMETER ResourceName The name of the resource as it appears before '.strings.psd1' of the localized string file. For example: For WindowsOptionalFeature: MSFT_xWindowsOptionalFeature For Service: MSFT_xServiceResource For Registry: MSFT_xRegistryResource .PARAMETER ResourcePath The path the resource file is located in. #> function Get-LocalizedData { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [String] $ResourceName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [String] $ResourcePath ) $localizedStringFileLocation = Join-Path -Path $ResourcePath -ChildPath $PSUICulture if (-not (Test-Path -Path $localizedStringFileLocation)) { # Fallback to en-US $localizedStringFileLocation = Join-Path -Path $ResourcePath -ChildPath 'en-US' } Import-LocalizedData ` -BindingVariable 'localizedData' ` -FileName "$ResourceName.strings.psd1" ` -BaseDirectory $localizedStringFileLocation return $localizedData } |