dsc/ext/PsGallery/xWebAdministration.1.17.0.0/DSCResources/MSFT_xWebConfigKeyValue/MSFT_xWebConfigKeyValue.psm1
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# Localized messages data LocalizedData { # culture="en-US" ConvertFrom-StringData -StringData @' VerboseGetTargetCheckingTarget = Checking for the existance of key "{0}" in ConfigSection "{1}" located at "{2}" VerboseGetTargetAttributeCheck = Checking if key "{0}" is an Attribute VerboseGetTargetKeyNotFound = Key "{0}" has not been found. VerboseGetTargetKeyFound = Key "{0}" has been found VerboseSetTargetCheckingKey = Checking for existance of key "{0}" VerboseSetTargetAddItem = Key "{0}" does not exist, adding key VerboseSetTargetEditItem = Key "{0}" exists, editing key VerboseSetTargetRemoveItem = Key "{0}" exists, removing key VerboseTestTargetCheckingTarget = Checking for the existance of key "{0}" in ConfigSection "{1}" located at "{2}" VerboseTestTargetKeyNotFound = Key "{0}" has not been found. VerboseTestTargetKeyWasFound = Key "{0}" has been found. '@ } <# .SYNOPSIS Gets the value of the specified key in the config file #> function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [parameter(Mandatory = $true)] [System.String] $WebsitePath, [parameter(Mandatory = $true)] [ValidateSet('AppSettings')] [System.String] $ConfigSection, [parameter(Mandatory = $true)] [String] $Key ) Write-Verbose ` -Message ($LocalizedData.VerboseGetTargetCheckingTarget -f $Key, $ConfigSection, $WebsitePath ) $existingValue = Get-ItemValue ` -Key $Key ` -IsAttribute $false ` -WebsitePath $WebsitePath ` -ConfigSection $ConfigSection if ( $null -eq $existingValue ) { Write-Verbose ` -Message ($LocalizedData.VerboseGetTargetAttributeCheck -f $Key ) $existingValue = Get-ItemValue ` -Key $Key ` -IsAttribute $true ` -WebsitePath $WebsitePath ` -ConfigSection $ConfigSection } if ( $existingValue.Length -eq 0 ) { Write-Verbose ` -Message ($LocalizedData.VerboseGetTargetKeyNotFound -f $Key ) return @{ Ensure = 'Absent' Key = $Key Value = $existingValue } } Write-Verbose ` -Message ($LocalizedData.VerboseGetTargetKeyFound -f $Key ) return @{ Ensure = 'Present' Key = $Key Value = $existingValue } } <# .SYNOPSIS Sets the value of the specified key in the config file #> function Set-TargetResource { [CmdletBinding()] param ( [parameter(Mandatory = $true)] [System.String] $WebsitePath, [parameter(Mandatory = $true)] [ValidateSet('AppSettings')] [System.String] $ConfigSection, [parameter(Mandatory = $true)] [String] $Key, [ValidateSet('Present','Absent')] [System.String] $Ensure = 'Present', [String] $Value, [System.Boolean] $IsAttribute ) if ($Ensure -eq 'Present') { Write-Verbose ` -Message ($LocalizedData.VerboseSetTargetCheckingKey -f $Key ) $existingValue = Get-ItemValue ` -Key $Key ` -IsAttribute $IsAttribute ` -WebsitePath $WebsitePath ` -ConfigSection $ConfigSection if ( (-not $IsAttribute -and ($null -eq $existingValue) ) ` -or ( $IsAttribute -and ($existingValue.Length -eq 0) ) ) { Write-Verbose ` -Message ($LocalizedData.VerboseSetTargetAddItem -f $Key ) Add-Item ` -Key $Key ` -Value $Value ` -IsAttribute $IsAttribute ` -WebsitePath $WebsitePath ` -ConfigSection $ConfigSection } else { $propertyName = 'value' if ( $IsAttribute ) { $propertyName = $Key } Write-Verbose ` -Message ($LocalizedData.VerboseSetTargetEditItem -f $Key ) Edit-Item ` -PropertyName $propertyName ` -OldValue $Key ` -NewValue $Value ` -IsAttribute $IsAttribute ` -WebsitePath $WebsitePath ` -ConfigSection $ConfigSection } } else { Write-Verbose ` -Message ($LocalizedData.VerboseSetTargetRemoveItem -f $Key ) Remove-Item ` -Key $Key ` -IsAttribute $IsAttribute ` -WebsitePath $WebsitePath ` -ConfigSection $ConfigSection } } <# .SYNOPSIS Tests the value of the specified key in the config file #> function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [parameter(Mandatory = $true)] [System.String] $WebsitePath, [parameter(Mandatory = $true)] [ValidateSet('AppSettings')] [System.String] $ConfigSection, [parameter(Mandatory = $true)] [String] $Key, [String] $Value, [ValidateSet('Present','Absent')] [System.String] $Ensure = 'Present', [System.Boolean] $IsAttribute ) if ( -not $PSBoundParameters.ContainsKey('IsAttribute') ) { $IsAttribute = $false } Write-Verbose ` -Message ($LocalizedData.VerboseTestTargetCheckingTarget -f $Key, $ConfigSection, $WebsitePath ) $existingValue = Get-ItemValue ` -Key $Key ` -IsAttribute $IsAttribute ` -WebsitePath $WebsitePath ` -ConfigSection $ConfigSection if ( $Ensure -eq 'Present' ) { if ( ( $null -eq $existingValue ) -or ( $existingValue -ne $Value ) ` -or ($existingValue.Length -eq 0) ) { Write-Verbose ` -Message ($LocalizedData.VerboseTestTargetKeyNotFound -f $Key ) return $false } } else { if ( ( $null -ne $existingValue ) -or ( $existingValue.Length -ne 0 ) ) { Write-Verbose ` -Message ($LocalizedData.VerboseTestTargetKeyNotFound -f $Key ) return $false } } Write-Verbose ` -Message ($LocalizedData.VerboseTestTargetKeyWasFound -f $Key) return $true } # region Helper Functions function Add-Item { param ( [string] $Key, [string] $Value, [Boolean] $isAttribute, [string] $WebsitePath, [string] $ConfigSection ) $itemCollection = @{ Key = $Key; Value = $Value; } if ( -not $isAttribute ) { Add-WebConfigurationProperty ` -Filter $ConfigSection ` -Name '.' ` -Value $itemCollection ` -PSPath $WebsitePath } else { Set-WebConfigurationProperty ` -Filter $ConfigSection ` -PSPath $WebsitePath ` -Name $Key ` -Value $Value ` -WarningAction Stop } } function Edit-Item { param ( [string] $PropertyName, [string] $OldValue, [string] $NewValue, [Boolean] $IsAttribute, [string] $WebsitePath, [string] $ConfigSection ) if ( -not $IsAttribute ) { $filter = "$ConfigSection/add[@key=`'$OldValue`']" Set-WebConfigurationProperty -Filter $filter ` -PSPath $WebsitePath ` -Name $PropertyName ` -Value $NewValue ` -WarningAction Stop } else { Set-WebConfigurationProperty ` -Filter $ConfigSection ` -PSPath $WebsitePath ` -Name $PropertyName ` -Value $NewValue ` -WarningAction Stop } } function Remove-Item { param ( [string] $Key, [Boolean] $IsAttribute, [string] $WebsitePath, [string] $ConfigSection ) if ( -not $isAttribute ) { $filter = "$ConfigSection/add[@key=`'$key`']" Clear-WebConfiguration ` -Filter $filter ` -PSPath $WebsitePath ` -WarningAction Stop } else { $filter = "$ConfigSection/@$key" <# This is a workaround to ensure if appSettings has no collection and we try to delete the only attribute, the entire node is not deleted. if we try removing the only attribute even if there is one collection item, the node is preserved. #> Add-Item ` -Key 'dummyKey' ` -Value 'dummyValue' ` -IsAttribute $false ` -WebsitePath $WebsitePath ` -ConfigSection $ConfigSection Clear-WebConfiguration ` -Filter $filter ` -PSPath $WebsitePath ` -WarningAction Stop Remove-Item ` -Key 'dummyKey' ` -IsAttribute $false ` -WebsitePath $WebsitePath ` -ConfigSection $ConfigSection } } function Get-ItemValue { param ( [string] $Key, [Boolean] $isAttribute, [string] $WebsitePath, # If this is null $value.Value will be null [string] $ConfigSection ) if (-not $isAttribute) { $filter = "$ConfigSection/add[@key=`'$key`']" $value = Get-WebConfigurationProperty ` -Filter $filter ` -Name 'value' ` -PSPath $WebsitePath } else { $value = Get-WebConfigurationProperty ` -Filter $ConfigSection ` -Name "$Key" ` -PSPath $WebsitePath } return $value.Value } # endregion Export-ModuleMember -Function *-TargetResource |