DSCResources/MSFT_EXOSafeAttachmentRule/MSFT_EXOSafeAttachmentRule.psm1
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function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] $Identity, [Parameter(Mandatory = $true)] [System.String] $SafeAttachmentPolicy, [Parameter()] [System.String] $Comments, [Parameter()] [System.Boolean] $Enabled = $true, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.String[]] $ExceptIfRecipientDomainIs = @(), [Parameter()] [System.String[]] $ExceptIfSentTo = @(), [Parameter()] [System.String[]] $ExceptIfSentToMemberOf = @(), [Parameter()] [uint32] $Priority, [Parameter()] [System.String[]] $RecipientDomainIs = @(), [Parameter()] [System.String[]] $SentTo = @(), [Parameter()] [System.String[]] $SentToMemberOf = @(), [Parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $GlobalAdminAccount ) Write-Verbose -Message "Getting configuration of SafeAttachmentRule for $Identity" #region Telemetry $data = [System.Collections.Generic.Dictionary[[String], [String]]]::new() $data.Add("Resource", $MyInvocation.MyCommand.ModuleName) $data.Add("Method", $MyInvocation.MyCommand) Add-M365DSCTelemetryEvent -Data $data #endregion Test-MSCloudLogin -CloudCredential $GlobalAdminAccount ` -Platform ExchangeOnline Write-Verbose -Message "Global ExchangeOnlineSession status:" Write-Verbose -Message "$( Get-PSSession -ErrorAction SilentlyContinue | Where-Object -FilterScript { $_.Name -eq 'ExchangeOnline' } | Out-String)" try { $SafeAttachmentRules = Get-SafeAttachmentRule } catch { Close-SessionsAndReturnError -ExceptionMessage $_.Exception $Message = "Error calling {Get-SafeAttachmentRule}" New-M365DSCLogEntry -Error $_ -Message $Message -Source $MyInvocation.MyCommand.ModuleName } $SafeAttachmentRule = $SafeAttachmentRules | Where-Object -FilterScript { $_.Identity -eq $Identity } if (-not $SafeAttachmentRule) { Write-Verbose -Message "SafeAttachmentRule $($Identity) does not exist." $result = $PSBoundParameters $result.Ensure = 'Absent' return $result } else { $result = @{ Ensure = 'Present' Identity = $SafeAttachmentRule.Identity SafeAttachmentPolicy = $SafeAttachmentRule.SafeAttachmentPolicy Comments = $SafeAttachmentRule.Comments Enabled = $true ExceptIfRecipientDomainIs = $SafeAttachmentRule.ExceptIfRecipientDomainIs ExceptIfSentTo = $SafeAttachmentRule.ExceptIfSentTo ExceptIfSentToMemberOf = $SafeAttachmentRule.ExceptIfSentToMemberOf Priority = $SafeAttachmentRule.Priority RecipientDomainIs = $SafeAttachmentRule.RecipientDomainIs SentTo = $SafeAttachmentRule.SentTo SentToMemberOf = $SafeAttachmentRule.SentToMemberOf GlobalAdminAccount = $GlobalAdminAccount } if ('Enabled' -eq $SafeAttachmentRule.State) { # Accounts for Get-SafeAttachmentRule returning 'State' instead of 'Enabled' used by New/Set $result.Enabled = $true } else { $result.Enabled = $false } Write-Verbose -Message "Found SafeAttachmentRule $($Identity)" Write-Verbose -Message "Get-TargetResource Result: `n $(Convert-M365DscHashtableToString -Hashtable $result)" return $result } } function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.String] $Identity, [Parameter(Mandatory = $true)] [System.String] $SafeAttachmentPolicy, [Parameter()] [System.String] $Comments, [Parameter()] [System.Boolean] $Enabled = $true, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.String[]] $ExceptIfRecipientDomainIs = @(), [Parameter()] [System.String[]] $ExceptIfSentTo = @(), [Parameter()] [System.String[]] $ExceptIfSentToMemberOf = @(), [Parameter()] [uint32] $Priority, [Parameter()] [System.String[]] $RecipientDomainIs = @(), [Parameter()] [System.String[]] $SentTo = @(), [Parameter()] [System.String[]] $SentToMemberOf = @(), [Parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $GlobalAdminAccount ) Write-Verbose -Message "Setting configuration of SafeAttachmentRule for $Identity" #region Telemetry $data = [System.Collections.Generic.Dictionary[[String], [String]]]::new() $data.Add("Resource", $MyInvocation.MyCommand.ModuleName) $data.Add("Method", $MyInvocation.MyCommand) Add-M365DSCTelemetryEvent -Data $data #endregion Test-MSCloudLogin -CloudCredential $GlobalAdminAccount ` -Platform ExchangeOnline $SafeAttachmentRules = Get-SafeAttachmentRule $SafeAttachmentRule = $SafeAttachmentRules | Where-Object -FilterScript { $_.Identity -eq $Identity } if (('Present' -eq $Ensure ) -and (-not $SafeAttachmentRule)) { New-EXOSafeAttachmentRule -SafeAttachmentRuleParams $PSBoundParameters } if (('Present' -eq $Ensure ) -and ($SafeAttachmentRule)) { if ($PSBoundParameters.Enabled -and ('Disabled' -eq $SafeAttachmentRule.State)) { # New-SafeAttachmentRule has the Enabled parameter, Set-SafeAttachmentRule does not. # There doesn't appear to be any way to change the Enabled state of a rule once created. Write-Verbose -Message "Removing SafeAttachmentRule $($Identity) in order to change Enabled state." Remove-SafeAttachmentRule -Identity $Identity -Confirm:$false New-EXOSafeAttachmentRule -SafeAttachmentRuleParams $PSBoundParameters } else { Set-EXOSafeAttachmentRule -SafeAttachmentRuleParams $PSBoundParameters } } if (('Absent' -eq $Ensure ) -and ($SafeAttachmentRule)) { Write-Verbose -Message "Removing SafeAttachmentRule $($Identity)" Remove-SafeAttachmentRule -Identity $Identity -Confirm:$false } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] $Identity, [Parameter(Mandatory = $true)] [System.String] $SafeAttachmentPolicy, [Parameter()] [System.String] $Comments, [Parameter()] [System.Boolean] $Enabled = $true, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.String[]] $ExceptIfRecipientDomainIs = @(), [Parameter()] [System.String[]] $ExceptIfSentTo = @(), [Parameter()] [System.String[]] $ExceptIfSentToMemberOf = @(), [Parameter()] [uint32] $Priority, [Parameter()] [System.String[]] $RecipientDomainIs = @(), [Parameter()] [System.String[]] $SentTo = @(), [Parameter()] [System.String[]] $SentToMemberOf = @(), [Parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $GlobalAdminAccount ) Write-Verbose -Message "Testing configuration of SafeAttachmentRule for $Identity" $CurrentValues = Get-TargetResource @PSBoundParameters Write-Verbose -Message "Current Values: $(Convert-M365DscHashtableToString -Hashtable $CurrentValues)" Write-Verbose -Message "Target Values: $(Convert-M365DscHashtableToString -Hashtable $PSBoundParameters)" $ValuesToCheck = $PSBoundParameters $ValuesToCheck.Remove('GlobalAdminAccount') | Out-Null $TestResult = Test-Microsoft365DSCParameterState -CurrentValues $CurrentValues ` -Source $($MyInvocation.MyCommand.Source) ` -DesiredValues $PSBoundParameters ` -ValuesToCheck $ValuesToCheck.Keys Write-Verbose -Message "Test-TargetResource returned $TestResult" return $TestResult } function Export-TargetResource { [CmdletBinding()] [OutputType([System.String])] param ( [Parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $GlobalAdminAccount ) $InformationPreference = 'Continue' #region Telemetry $data = [System.Collections.Generic.Dictionary[[String], [String]]]::new() $data.Add("Resource", $MyInvocation.MyCommand.ModuleName) $data.Add("Method", $MyInvocation.MyCommand) Add-M365DSCTelemetryEvent -Data $data #endregion Test-MSCloudLogin -CloudCredential $GlobalAdminAccount ` -Platform ExchangeOnline ` -ErrorAction SilentlyContinue $content = '' if (Confirm-ImportedCmdletIsAvailable -CmdletName Get-SafeAttachmentRule) { [array]$SafeAttachmentRules = Get-SafeAttachmentRule $i = 1 foreach ($SafeAttachmentRule in $SafeAttachmentRules) { Write-Information " [$i/$($SafeAttachmentRules.Length)] $($SafeAttachmentRule.Identity)" $params = @{ Identity = $SafeAttachmentRule.Identity SafeAttachmentPolicy = $SafeAttachmentRule.SafeAttachmentPolicy GlobalAdminAccount = $GlobalAdminAccount } $result = Get-TargetResource @params $result.GlobalAdminAccount = Resolve-Credentials -UserName "globaladmin" $content += " EXOSafeAttachmentRule " + (New-GUID).ToString() + "`r`n" $content += " {`r`n" $currentDSCBlock = Get-DSCBlock -Params $result -ModulePath $PSScriptRoot $content += Convert-DSCStringParamToVariable -DSCBlock $currentDSCBlock -ParameterName "GlobalAdminAccount" $content += " }`r`n" $i++ } } else { Write-Information "The current tenant doesn't have access to the Safe Attachment Rule API." } return $content } Export-ModuleMember -Function *-TargetResource |