DSCResources/DSC_WebConfigProperty/DSC_WebConfigProperty.psm1
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$modulePath = Join-Path -Path (Split-Path -Path (Split-Path -Path $PSScriptRoot -Parent) -Parent) -ChildPath 'Modules' # Import the WebAdministrationDsc Common Modules Import-Module -Name (Join-Path -Path $modulePath ` -ChildPath (Join-Path -Path 'WebAdministrationDsc.Common' ` -ChildPath 'WebAdministrationDsc.Common.psm1')) Import-Module -Name (Join-Path -Path $modulePath -ChildPath 'DscResource.Common') # Import Localization Strings $script:localizedData = Get-LocalizedData -DefaultUICulture 'en-US' <# .SYNOPSIS Gets the current value of the target resource property. .PARAMETER WebsitePath Required. Path to website location (IIS or WebAdministration format). .PARAMETER Filter Required. Filter used to locate property to update. .PARAMETER PropertyName Required. Name of the property to update. #> function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $WebsitePath, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $Filter, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $PropertyName ) # Retrieve the value of the existing property if present. Write-Verbose ` -Message ($script:localizedData.VerboseTargetCheckingTarget -f $PropertyName, $Filter, $WebsitePath ) $existingValue = Get-ItemValue ` -WebsitePath $WebsitePath ` -Filter $Filter ` -PropertyName $PropertyName $result = @{ WebsitePath = $WebsitePath Filter = $Filter PropertyName = $PropertyName Ensure = 'Present' Value = $existingValue } if (-not($existingValue)) { # Property was not found. Write-Verbose ` -Message ($script:localizedData.VerboseTargetPropertyNotFound -f $PropertyName ) $result.Ensure = 'Absent' } else { # Property was found. Write-Verbose ` -Message ($script:localizedData.VerboseTargetPropertyFound -f $PropertyName ) } return $result } <# .SYNOPSIS Sets the value of the target resource property. .PARAMETER WebsitePath Required. Path to website location (IIS or WebAdministration format). .PARAMETER Filter Required. Filter used to locate property to update. .PARAMETER PropertyName Required. Name of the property to update. .PARAMETER Value Value of the property to update. .PARAMETER Ensure Present or Absent. Defaults to Present. #> function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $WebsitePath, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $Filter, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $PropertyName, [Parameter()] [string] $Value, [Parameter()] [ValidateSet('Present','Absent')] [string] $Ensure = 'Present' ) if ($Ensure -eq 'Present') { # Property needs to be updated. Write-Verbose ` -Message ($script:localizedData.VerboseSetTargetEditItem -f $PropertyName ) $propertyType = Get-ItemPropertyType -WebsitePath $WebsitePath -Filter $Filter -PropertyName $PropertyName if ($propertyType -match 'Int32|Int64') { $setValue = Convert-PropertyValue -PropertyType $propertyType -InputValue $Value } else { $setValue = $Value } Set-WebConfigurationProperty ` -Filter $Filter ` -PSPath $WebsitePath ` -Name $PropertyName ` -Value $setValue ` -WarningAction Stop } else { # Property needs to be removed. Write-Verbose ` -Message ($script:localizedData.VerboseSetTargetRemoveItem -f $PropertyName ) Clear-WebConfiguration ` -Filter "$($Filter)/@$($PropertyName)" ` -PSPath $WebsitePath ` -WarningAction Stop } } <# .SYNOPSIS Tests the value of the target resource property. .PARAMETER WebsitePath Required. Path to website location (IIS or WebAdministration format). .PARAMETER Filter Required. Filter used to locate property to update. .PARAMETER PropertyName Required. Name of the property to update. .PARAMETER Value Value of the property to update. .PARAMETER Ensure Present or Absent. Defaults to Present. #> function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $WebsitePath, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $Filter, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $PropertyName, [Parameter()] [string] $Value, [Parameter()] [ValidateSet('Present','Absent')] [string] $Ensure = 'Present' ) # Retrieve the value of the existing property if present. Write-Verbose ` -Message ($script:localizedData.VerboseTargetCheckingTarget -f $PropertyName, $Filter, $WebsitePath ) $targetResource = Get-TargetResource ` -WebsitePath $WebsitePath ` -Filter $Filter ` -PropertyName $PropertyName if ($Ensure -eq 'Present') { if ( ($null -eq $targetResource.Value) -or ($targetResource.Value.ToString() -ne $Value) ) { # Property was not found or didn't have expected value. Write-Verbose ` -Message ($script:localizedData.VerboseTargetPropertyNotFound -f $PropertyName ) return $false } } else { if ( ($null -ne $targetResource.Value) -and ($targetResource.Value.ToString().Length -ne 0 ) ) { # Property was found. Write-Verbose ` -Message ($script:localizedData.VerboseTargetPropertyFound -f $PropertyName ) return $false } } Write-Verbose ` -Message ($script:localizedData.VerboseTargetPropertyFound -f $PropertyName) return $true } # region Helper Functions <# .SYNOPSIS Gets the current value of the property. .PARAMETER WebsitePath Required. Path to website location (IIS or WebAdministration format). .PARAMETER Filter Required. Filter used to locate property to retrieve. .PARAMETER PropertyName Required. Name of the property to retrieve. #> function Get-ItemValue { [CmdletBinding()] [OutputType([System.Object])] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $WebsitePath, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $Filter, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $PropertyName ) # Retrieve the value of the specified property if present. $value = Get-WebConfigurationProperty ` -PSPath $WebsitePath ` -Filter $Filter ` -Name $PropertyName # Return the value of the property if located. return Get-WebConfigurationPropertyValue -WebConfigurationPropertyObject $value } <# .SYNOPSIS Gets the current data type of the property. .PARAMETER WebsitePath Path to website location (IIS or WebAdministration format). .PARAMETER Filter Filter used to locate property to retrieve. .PARAMETER PropertyName Name of the property to retrieve. #> function Get-ItemPropertyType { [CmdletBinding()] [OutputType([System.String])] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $WebsitePath, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $Filter, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $PropertyName ) $webConfiguration = Get-WebConfiguration -Filter $Filter -PsPath $WebsitePath $property = $webConfiguration.Schema.AttributeSchemas | Where-Object -FilterScript {$_.Name -eq $propertyName} return $property.ClrType.Name } <# .SYNOPSIS Converts the property from string to appropriate data type. .PARAMETER PropertyType Property type to be converted to. .PARAMETER InputValue Value to be converted. #> function Convert-PropertyValue { [CmdletBinding()] [OutputType([System.ValueType])] param ( [Parameter(Mandatory = $true)] [string] $PropertyType, [Parameter(Mandatory = $true)] [string] $InputValue ) switch ($PropertyType ) { 'Int32' { [Int32] $value = [convert]::ToInt32($InputValue, 10) } 'UInt32' { [UInt32] $value = [convert]::ToUInt32($InputValue, 10) } 'Int64' { [Int64] $value = [convert]::ToInt64($InputValue, 10) } } return $value } # endregion Export-ModuleMember -Function *-TargetResource |