DSCResources/DSC_IisModule/DSC_IisModule.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' function Get-TargetResource { <# .SYNOPSIS This will return a hashtable of results #> [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [String] $Path, [Parameter(Mandatory = $true)] [String] $Name, [Parameter(Mandatory = $true)] [String] $RequestPath, [Parameter(Mandatory = $true)] [String[]] $Verb, [Parameter()] [ValidateSet('FastCgiModule')] [String] $ModuleType = 'FastCgiModule', [Parameter()] [String] $SiteName ) Assert-Module -ModuleName WebAdministration $currentVerbs = @() $Ensure = 'Absent' $modulePresent = $false; $handler = Get-IisHandler -Name $Name -SiteName $SiteName if ($handler ) { $Ensure = 'Present' $modulePresent = $true; } foreach ($thisVerb in $handler.Verb) { $currentVerbs += $thisVerb } $fastCgiSetup = $false if ($handler.Modules -eq 'FastCgiModule') { $fastCgi = Get-WebConfiguration /system.webServer/fastCgi/* ` -PSPath (Get-IisSitePath ` -SiteName $SiteName) | ` Where-Object{$_.FullPath -ieq $handler.ScriptProcessor} if ($fastCgi) { $fastCgiSetup = $true } } Write-Verbose -Message $script:localizedData.VerboseGetTargetResource $returnValue = @{ Path = $handler.ScriptProcessor Name = $handler.Name RequestPath = $handler.Path Verb = $currentVerbs SiteName = $SiteName Ensure = $Ensure ModuleType = $handler.Modules EndPointSetup = $fastCgiSetup } $returnValue } function Set-TargetResource { <# .SYNOPSIS This will set the desired state #> [CmdletBinding()] param ( [Parameter()] [ValidateSet('Present','Absent')] [String] $Ensure, [Parameter(Mandatory = $true)] [String] $Path, [Parameter(Mandatory = $true)] [String] $Name, [Parameter(Mandatory = $true)] [String] $RequestPath, [Parameter(Mandatory = $true)] [String[]] $Verb, [Parameter()] [ValidateSet('FastCgiModule')] [String] $ModuleType = 'FastCgiModule', [Parameter()] [String] $SiteName ) $getParameters = Get-PSBoundParameters -FunctionParameters $PSBoundParameters $resourceStatus = Get-TargetResource @GetParameters $resourceTests = Test-TargetResourceImpl @PSBoundParameters -ResourceStatus $resourceStatus if ($resourceTests.Result) { return } if ($Ensure -eq 'Present') { if ($resourceTests.ModulePresent -and -not $resourceTests.ModuleConfigured) { Write-Verbose -Message $script:localizedData.VerboseSetTargetRemoveHandler Remove-IisHandler } if (-not $resourceTests.ModulePresent -or -not $resourceTests.ModuleConfigured) { Write-Verbose -Message $script:localizedData.VerboseSetTargetAddHandler Add-webconfiguration /system.webServer/handlers iis:\ -Value @{ Name = $Name Path = $RequestPath Verb = $Verb -join ',' Module = $ModuleType ScriptProcessor = $Path } } if (-not $resourceTests.EndPointSetup) { Write-Verbose -Message $script:localizedData.VerboseSetTargetAddfastCgi Add-WebConfiguration /system.webServer/fastCgi iis:\ -Value @{ FullPath = $Path } } } else { Write-Verbose -Message $script:localizedData.VerboseSetTargetRemoveHandler Remove-IisHandler } } function Test-TargetResource { <# .SYNOPSIS This tests the desired state. If the state is not correct it will return $false. If the state is correct it will return $true #> [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter()] [ValidateSet('Present','Absent')] [String] $Ensure, [Parameter(Mandatory = $true)] [String] $Path, [Parameter(Mandatory = $true)] [String] $Name, [Parameter(Mandatory = $true)] [String] $RequestPath, [Parameter(Mandatory = $true)] [String[]] $Verb, [Parameter()] [ValidateSet('FastCgiModule')] [String] $ModuleType = 'FastCgiModule', [Parameter()] [String] $SiteName ) $getParameters = Get-PSBoundParameters -FunctionParameters $PSBoundParameters $resourceStatus = Get-TargetResource @GetParameters Write-Verbose -Message $script:localizedData.VerboseTestTargetResource return (Test-TargetResourceImpl @PSBoundParameters -ResourceStatus $resourceStatus).Result } #region Helper Functions function Get-PSBoundParameters { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [Hashtable] $FunctionParameters ) [Hashtable] $getParameters = @{} foreach ($key in $FunctionParameters.Keys) { if ($key -ine 'Ensure') { $getParameters.Add($key, $FunctionParameters.$key) | Out-Null } } return $getParameters } function Get-IisSitePath { [OutputType([System.String])] [CmdletBinding()] param ( [Parameter()] [String] $SiteName ) if (-not $SiteName) { return 'IIS:\' } else { return Join-Path 'IIS:\sites\' $SiteName } } function Get-IisHandler { <# .NOTES Get a list on IIS handlers #> [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [String] $Name, [Parameter()] [String] $SiteName ) Write-Verbose -Message ($script:localizedData.VerboseGetIisHandler -f $Name,$SiteName) return Get-Webconfiguration -Filter 'System.WebServer/handlers/*' ` -PSPath (Get-IisSitePath ` -SiteName $SiteName) | ` Where-Object{$_.Name -ieq $Name} } function Remove-IisHandler { <# .NOTES Remove an IIS Handler #> param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [String] $Name, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [Parameter()] [String] $SiteName ) $handler = Get-IisHandler @PSBoundParameters if ($handler) { Clear-WebConfiguration -PSPath $handler.PSPath ` -Filter $handler.ItemXPath ` -Location $handler.Location } } function Test-TargetResourceImpl { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [String] $Path, [Parameter(Mandatory = $true)] [String] $Name, [Parameter(Mandatory = $true)] [String] $RequestPath, [Parameter(Mandatory = $true)] [String[]] $Verb, [Parameter()] [ValidateSet('FastCgiModule')] [String] $ModuleType = 'FastCgiModule', [Parameter()] [String] $SiteName, [Parameter()] [ValidateSet('Present','Absent')] [String] $Ensure, [Parameter(Mandatory = $true)] [HashTable] $resourceStatus ) $matchedVerbs = @() $mismatchVerbs =@() foreach ($thisVerb in $resourceStatus.Verb) { if ($Verb -icontains $thisVerb) { Write-Verbose -Message ($script:localizedData.VerboseTestTargetResourceImplVerb ` -f $Verb) $matchedVerbs += $thisVerb } else { Write-Verbose -Message ($script:localizedData.VerboseTestTargetResourceImplExtraVerb ` -f $Verb) $mismatchVerbs += $thisVerb } } $modulePresent = $false if ($resourceStatus.Name.Length -gt 0) { $modulePresent = $true } Write-Verbose -Message ($script:localizedData.VerboseTestTargetResourceImplRequestPath ` -f $RequestPath) Write-Verbose -Message ($script:localizedData.VerboseTestTargetResourceImplPath ` -f $Path) Write-Verbose -Message ($script:localizedData.VerboseTestTargetResourceImplresourceStatusRequestPath ` -f $($resourceStatus.RequestPath)) Write-Verbose -Message ($script:localizedData.VerboseTestTargetResourceImplresourceStatusPath ` -f $($resourceStatus.Path)) $moduleConfigured = $false if ($modulePresent -and ` $mismatchVerbs.Count -eq 0 -and ` $matchedVerbs.Count-eq $Verb.Count -and ` $resourceStatus.Path -eq $Path -and ` $resourceStatus.RequestPath -eq $RequestPath) { $moduleConfigured = $true } Write-Verbose -Message ($script:localizedData.VerboseTestTargetResourceImplModulePresent ` -f $ModulePresent) Write-Verbose -Message ($script:localizedData.VerboseTestTargetResourceImplModuleConfigured ` -f $ModuleConfigured) if ($moduleConfigured -and ($ModuleType -ne 'FastCgiModule' -or $resourceStatus.EndPointSetup)) { return @{ Result = $true ModulePresent = $modulePresent ModuleConfigured = $moduleConfigured } } else { return @{ Result = $false ModulePresent = $modulePresent ModuleConfigured = $moduleConfigured } } } #endregion Export-ModuleMember -Function *-TargetResource |