DSCResources/DSC_WebConfigPropertyCollection/DSC_WebConfigPropertyCollection.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 collection to update. Use '.' for root. .PARAMETER CollectionName Required. Name of the property collection to update. .PARAMETER ItemName Required. Name of the property collection item to update. .PARAMETER ItemKeyName Required. Name of the key of the property collection item to update. .PARAMETER ItemKeyValue Required. Value of the key of the property collection item to update. .PARAMETER ItemPropertyName Required. Name of the property of the property collection item 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] $CollectionName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $ItemName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $ItemKeyName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $ItemKeyValue, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $ItemPropertyName ) # Retrieve the values of the existing property collection item if present. Write-Verbose ` -Message ($script:localizedData.VerboseTargetCheckingTarget -f $ItemPropertyName, $CollectionName, $ItemName, $ItemKeyName, $ItemKeyValue, $Filter, $WebsitePath ) $existingItem = Get-ItemValues ` -WebsitePath $WebsitePath ` -Filter $Filter ` -CollectionName $CollectionName ` -ItemName $ItemName ` -ItemKeyName $ItemKeyName ` -ItemKeyValue $ItemKeyValue $result = @{ WebsitePath = $WebsitePath Filter = $Filter CollectionName = $CollectionName ItemName = $ItemName ItemKeyName = $ItemKeyName ItemKeyValue = $ItemKeyValue ItemPropertyName = $ItemPropertyName Ensure = 'Present' ItemPropertyValue = $null } if ($null -eq $existingItem) { # Property collection item with specified key was not found. Write-Verbose ` -Message ($script:localizedData.VerboseTargetItemNotFound -f $CollectionName, $ItemName, $ItemKeyName, $ItemKeyValue ) $result.Ensure = 'Absent' $result.ItemPropertyValue = $null } elseif ($existingItem.Keys -notcontains $ItemPropertyName) { # Property collection item with specified key was found, but property was not present. Write-Verbose ` -Message ($script:localizedData.VerboseTargetPropertyNotFound -f $ItemPropertyName ) $result.Ensure = 'Absent' $result.ItemPropertyValue = $null } else { # Property collection item with specified key was found. Write-Verbose ` -Message ($script:localizedData.VerboseTargetPropertyFound -f $ItemPropertyName ) $result.Ensure = 'Present' $result.ItemPropertyValue = $existingItem[$ItemPropertyName].ToString() } 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 collection to update. Use '.' for root. .PARAMETER CollectionName Required. Name of the property collection to update. .PARAMETER ItemName Required. Name of the property collection item to update. .PARAMETER ItemKeyName Required. Name of the key of the property collection item to update. .PARAMETER ItemKeyValue Required. Value of the key of the property collection item to update. .PARAMETER ItemPropertyName Required. Name of the property of the property collection item to update. .PARAMETER ItemPropertyValue Value of the property of the property collection item 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] $CollectionName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $ItemName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $ItemKeyName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $ItemKeyValue, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $ItemPropertyName, [Parameter()] [string] $ItemPropertyValue, [Parameter()] [ValidateSet('Present','Absent')] [string] $Ensure = 'Present' ) if ($Ensure -eq 'Present') { # Retrieve the values of the existing property collection item if present. Write-Verbose ` -Message ($script:localizedData.VerboseTargetCheckingTarget -f $ItemPropertyName, $CollectionName, $ItemName, $ItemKeyName, $ItemKeyValue, $Filter, $WebsitePath ) $existingItem = Get-ItemValues ` -WebsitePath $WebsitePath ` -Filter $Filter ` -CollectionName $CollectionName ` -ItemName $ItemName ` -ItemKeyName $ItemKeyName ` -ItemKeyValue $ItemKeyValue $propertyType = Get-CollectionItemPropertyType -WebsitePath $WebsitePath -Filter "$Filter/$CollectionName" -PropertyName $ItemPropertyName -AddElement $ItemName if ($propertyType -match 'Int32|Int64') { $setItemPropertyValue = Convert-PropertyValue -PropertyType $propertyType -InputValue $ItemPropertyValue } else { $setItemPropertyValue = $ItemPropertyValue } if (-not($existingItem)) { # Property collection item with specified key was not found. Write-Verbose ` -Message ($script:localizedData.VerboseSetTargetAddItem -f $CollectionName, $ItemName, $ItemKeyName, $ItemKeyValue, $ItemPropertyName ) $filter = "$($Filter)/$($CollectionName)" # Use Add- in this case to add the element (including the key/value) and also the specified property name/value. Add-WebConfigurationProperty ` -PSPath $WebsitePath ` -Filter $filter ` -Name '.' ` -Value @{ $ItemKeyName = $ItemKeyValue $ItemPropertyName = $setItemPropertyValue } } else { # Property collection item with specified key was found. Write-Verbose ` -Message ($script:localizedData.VerboseSetTargetEditItem -f $CollectionName, $ItemName, $ItemKeyName, $ItemKeyValue, $ItemPropertyName ) $filter = "$($Filter)/$($CollectionName)/$($ItemName)[@$($ItemKeyName)='$($ItemKeyValue)']" # Use Set- in this case to update the specified property of the element with the specified key/value. Set-WebConfigurationProperty ` -PSPath $WebsitePath ` -Filter $filter ` -Name $ItemPropertyName ` -Value $setItemPropertyValue } } else { # Remove the specified property from the element with the specified key/value. Write-Verbose ` -Message ($script:localizedData.VerboseSetTargetRemoveItem -f $ItemPropertyName ) $filter = "$($Filter)/$($CollectionName)" Remove-WebConfigurationProperty ` -PSPath $WebsitePath ` -Filter $filter ` -Name '.' ` -AtElement @{ $ItemKeyName = $ItemKeyValue } } } <# .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 collection to update. Use '.' for root. .PARAMETER CollectionName Required. Name of the property collection to update. .PARAMETER ItemName Required. Name of the property collection item to update. .PARAMETER ItemKeyName Required. Name of the key of the property collection item to update. .PARAMETER ItemKeyValue Required. Value of the key of the property collection item to update. .PARAMETER ItemPropertyName Required. Name of the property of the property collection item to update. .PARAMETER ItemPropertyValue Value of the property of the property collection item 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] $CollectionName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $ItemName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $ItemKeyName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $ItemKeyValue, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $ItemPropertyName, [Parameter()] [string] $ItemPropertyValue, [Parameter()] [ValidateSet('Present','Absent')] [string] $Ensure = 'Present' ) # Retrieve the values of the existing property collection item if present. Write-Verbose ` -Message ($script:localizedData.VerboseTargetCheckingTarget -f $ItemPropertyName, $CollectionName, $ItemName, $ItemKeyName, $ItemKeyValue, $Filter, $WebsitePath ) $existingItem = Get-ItemValues ` -WebsitePath $WebsitePath ` -Filter $Filter ` -CollectionName $CollectionName ` -ItemName $ItemName ` -ItemKeyName $ItemKeyName ` -ItemKeyValue $ItemKeyValue if ($Ensure -eq 'Present') { if ($null -eq $existingItem) { # Property collection item with specified key was not found. Write-Verbose ` -Message ($script:localizedData.VerboseTargetItemNotFound -f $CollectionName, $ItemName, $ItemKeyName, $ItemKeyValue ) return $false } if ($existingItem.Keys -notcontains $ItemPropertyName) { # Property collection item with specified key was found, but property was not present. Write-Verbose ` -Message ($script:localizedData.VerboseTargetPropertyNotFound -f $ItemPropertyName ) return $false } if ($existingItem[$ItemPropertyName].ToString() -ne $ItemPropertyValue) { # Property collection item with specified key was found, but property did not have expected value. Write-Verbose ` -Message ($script:localizedData.VerboseTestTargetPropertyValueNotFound -f $ItemPropertyName ) return $false } # Property collection item with specified key was found & had expected value. Write-Verbose ` -Message ($script:localizedData.VerboseTargetPropertyFound -f $ItemPropertyName ) return $true } else { if ( ($null -ne $existingItem) -and ($existingItem.Keys -contains $ItemPropertyName) ) { # Property collection item with specified key was found & property was present. Write-Verbose ` -Message ($script:localizedData.VerboseTargetPropertyFound -f $ItemPropertyName ) return $false } # Property collection item with specified key was either not found or property was not present. Write-Verbose ` -Message ($script:localizedData.VerboseTargetPropertyNotFound -f $ItemPropertyName ) return $true } } # region Helper Functions <# .SYNOPSIS Gets the current values of the property collection item. .PARAMETER WebsitePath Required. Path to website location (IIS or WebAdministration format). .PARAMETER Filter Required. Filter used to locate property collection to retrieve. Use '.' for root. .PARAMETER CollectionName Required. Name of the property collection to retrieve. .PARAMETER ItemName Required. Name of the property collection item to retrieve. .PARAMETER ItemKeyName Required. Name of the key of the property collection item to retrieve. .PARAMETER ItemKeyValue Required. Value of the key of the property collection item to retrieve. #> function Get-ItemValues { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $WebsitePath, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $Filter, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $CollectionName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $ItemName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $ItemKeyName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $ItemKeyValue ) # Construct the complete filter we'll use to locate the collection item with the specified key/value in the property collection, then retrieve it if we can. $filter = "$($Filter)/$($CollectionName)/$($ItemName)[@$($ItemKeyName)='$($ItemKeyValue)']" $item = Get-WebConfigurationProperty ` -PSPath $WebsitePath ` -Filter $filter ` -Name "." ` -ErrorAction SilentlyContinue if ($item) { # If the property collection item exists, construct & return a hashtable containing the current values of all non-key properties. $result = @{} $item.Attributes.ForEach({ if ($_.Name -ne $ItemKeyName) { $result.Add($_.Name, $_.Value) } }) return $result } return $null } <# .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. .PARAMETER AddElement Name of the Add Element to retrieve schema from. #> function Get-CollectionItemPropertyType { [CmdletBinding()] [OutputType([System.String])] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $WebsitePath, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $Filter, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $PropertyName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $AddElement ) $webConfiguration = Get-WebConfiguration -Filter $Filter -PsPath $WebsitePath $addElementSchema = Get-AddElementSchema -AddElement $AddElement -WebConfiguration $webConfiguration $property = $addElementSchema | Where-Object -FilterScript {$_.Name -eq $PropertyName} return $property.ClrType.Name } <# .SYNOPSIS Gets the current data type of the property. .PARAMETER AddElement Name of the Add Element to retrieve schema from. .PARAMETER WebConfiguration Web configuration Element to retrieve the schema from. #> function Get-AddElementSchema { [CmdletBinding()] [OutputType([Microsoft.IIs.PowerShell.Framework.ConfigurationAttributeSchema])] param ( [Parameter(Mandatory = $true)] [string] $AddElement, [Parameter(Mandatory = $true)] [object] $WebConfiguration ) $addElementSchema = $WebConfiguration.Schema.CollectionSchema.GetAddElementSchema($AddElement) return $addElementSchema.AttributeSchemas } <# .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) } 'UInt64' { [UInt64] $value = [convert]::ToUInt64($InputValue, 10) } } return $value } # endregion Export-ModuleMember -Function *-TargetResource |