DSCResources/MSFT_SCDLPComplianceRule/MSFT_SCDLPComplianceRule.psm1
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function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] $Name, [Parameter(Mandatory = $true)] [System.String] $Policy, [Parameter()] [ValidateSet("InOrganization", "NotInOrganization", "None")] [System.String[]] $AccessScope, [Parameter()] [System.Boolean] $BlockAccess, [Parameter()] [ValidateSet("All", "PerUser")] [System.String] $BlockAccessScope, [Parameter()] [System.String] $Comment, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance[]] $ContentContainsSensitiveInformation, [Parameter()] [System.String[]] $ContentPropertyContainsWords, [Parameter()] [System.Boolean] $Disabled, [Parameter()] [System.String[]] $GenerateAlert, [Parameter()] [System.String[]] $GenerateIncidentReport, [Parameter()] [ValidateSet("All", "Default", "DetectionDetails", "Detections", "DocumentAuthor", "DocumentLastModifier", "MatchedItem", "OriginalContent", "RulesMatched", "Service", "Severity", "Title")] [System.String[]] $IncidentReportContent, [Parameter()] [ValidateSet("FalsePositive", "WithoutJustification", "WithJustification")] [System.String[]] $NotifyAllowOverride, [Parameter()] [System.String] $NotifyEmailCustomText, [Parameter()] [System.String] $NotifyPolicyTipCustomText, [Parameter()] [System.String[]] $NotifyUser, [Parameter()] [ValidateSet("Low", "Medium", "High", "None")] [System.String] $ReportSeverityLevel, [Parameter()] [ValidateSet("Ignore", "RetryThenBlock")] [System.String] $RuleErrorAction, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $GlobalAdminAccount ) Write-Verbose -Message "Getting configuration of DLPCompliancePolicy for $Name" #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 SecurityComplianceCenter $PolicyRule = Get-DlpComplianceRule -Identity $Name -ErrorAction SilentlyContinue if ($null -eq $PolicyRule) { Write-Verbose -Message "DLPComplianceRule $($Name) does not exist." $result = $PSBoundParameters $result.Ensure = 'Absent' return $result } else { Write-Verbose "Found existing DLPComplianceRule $($Name)" # Cmdlet returns a string, but in order to properly validate valid values, we need to convert # to a String array $ArrayIncidentReportContent = @() if ($null -ne $PolicyRule.IncidentReportContent) { $ArrayIncidentReportContent = $PolicyRule.IncidentReportContent.Replace(' ', '').Split(',') } if ($null -ne $PolicyRule.NotifyAllowOverride) { $NotifyAllowOverrideValue = $PolicyRule.NotifyAllowOverride.Replace(' ', '').Split(',') } [array] $SensitiveInfo = @($PolicyRule.ContentContainsSensitiveInformation[0]) if ($null -ne $SensitiveInfo.groups) { $groups = $SensitiveInfo.groups $SensitiveInfo = @() foreach ($group in $groups) { foreach ($siEntry in $group.sensitivetypes) { $SensitiveInfo += [System.Collections.Hashtable]$siEntry } } } $result = @{ Ensure = 'Present' Name = $PolicyRule.Name Policy = $PolicyRule.ParentPolicyName AccessScope = $PolicyRule.AccessScope BlockAccess = $PolicyRule.BlockAccess BlockAccessScope = $PolicyRule.BlockAccessScope Comment = $PolicyRule.Comment ContentContainsSensitiveInformation = $SensitiveInfo ContentPropertyContainsWords = $PolicyRule.ContentPropertyContainsWords Disabled = $PolicyRule.Disabled GenerateAlert = $PolicyRule.GenerateAlert GenerateIncidentReport = $PolicyRule.GenerateIncidentReport IncidentReportContent = $ArrayIncidentReportContent NotifyAllowOverride = $NotifyAllowOverrideValue NotifyEmailCustomText = $PolicyRule.NotifyEmailCustomText NotifyPolicyTipCustomText = $PolicyRule.NotifyPolicyTipCustomText NotifyUser = $PolicyRule.NotifyUser ReportSeverityLevel = $PolicyRule.ReportSeverityLevel RuleErrorAction = $PolicyRule.RuleErrorAction } $paramsToRemove = @() foreach ($paramName in $result.Keys) { if ($null -eq $result[$paramName] -or "" -eq $result[$paramName] -or @() -eq $result[$paramName]) { $paramsToRemove += $paramName } } foreach ($paramName in $paramsToRemove) { $result.Remove($paramName) } Write-Verbose -Message "Get-TargetResource Result: `n $(Convert-M365DscHashtableToString -Hashtable $result)" return $result } } function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.String] $Name, [Parameter(Mandatory = $true)] [System.String] $Policy, [Parameter()] [ValidateSet("InOrganization", "NotInOrganization", "None")] [System.String[]] $AccessScope, [Parameter()] [System.Boolean] $BlockAccess, [Parameter()] [ValidateSet("All", "PerUser")] [System.String] $BlockAccessScope, [Parameter()] [System.String] $Comment, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance[]] $ContentContainsSensitiveInformation, [Parameter()] [System.String[]] $ContentPropertyContainsWords, [Parameter()] [System.Boolean] $Disabled, [Parameter()] [System.String[]] $GenerateAlert, [Parameter()] [System.String[]] $GenerateIncidentReport, [Parameter()] [ValidateSet("All", "Default", "DetectionDetails", "Detections", "DocumentAuthor", "DocumentLastModifier", "MatchedItem", "OriginalContent", "RulesMatched", "Service", "Severity", "Title")] [System.String[]] $IncidentReportContent, [Parameter()] [ValidateSet("FalsePositive", "WithoutJustification", "WithJustification")] [System.String[]] $NotifyAllowOverride, [Parameter()] [System.String] $NotifyEmailCustomText, [Parameter()] [System.String] $NotifyPolicyTipCustomText, [Parameter()] [System.String[]] $NotifyUser, [Parameter()] [ValidateSet("Low", "Medium", "High", "None")] [System.String] $ReportSeverityLevel, [Parameter()] [ValidateSet("Ignore", "RetryThenBlock")] [System.String] $RuleErrorAction, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $GlobalAdminAccount ) Write-Verbose -Message "Setting configuration of DLPComplianceRule for $Name" #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 SecurityComplianceCenter $CurrentRule = Get-TargetResource @PSBoundParameters if (('Present' -eq $Ensure) -and ('Absent' -eq $CurrentRule.Ensure)) { Write-Verbose "Rule {$($CurrentRule.Name)} doesn't exists but need to. Creating Rule." $CreationParams = $PSBoundParameters if ($null -ne $CreationParams.ContentContainsSensitiveInformation) { $value = @() foreach ($item in $CreationParams.ContentContainsSensitiveInformation) { $value += Get-SCDLPSensitiveInformation $item } $CreationParams.ContentContainsSensitiveInformation = $value } $CreationParams.Remove("GlobalAdminAccount") $CreationParams.Remove("Ensure") Write-Verbose -Message "Calling New-DLPComplianceRule with Values: $(Convert-M365DscHashtableToString -Hashtable $CreationParams)" New-DLPComplianceRule @CreationParams } elseif (('Present' -eq $Ensure) -and ('Present' -eq $CurrentRule.Ensure)) { Write-Verbose "Rule {$($CurrentRule.Name)} already exists and needs to. Updating Rule." $UpdateParams = $PSBoundParameters $value = @() foreach ($item in $UpdateParams.ContentContainsSensitiveInformation) { $value += Get-SCDLPSensitiveInformation $item } $UpdateParams.ContentContainsSensitiveInformation = Get-SCDLPSensitiveInformation -SensitiveInformation $value $UpdateParams.Remove("GlobalAdminAccount") $UpdateParams.Remove("Ensure") $UpdateParams.Remove("Name") $UpdateParams.Remove("Policy") $UpdateParams.Add("Identity", $Name) Write-Verbose "Updating Rule with values: $(Convert-M365DscHashtableToString -Hashtable $UpdateParams)" Set-DLPComplianceRule @UpdateParams } elseif (('Absent' -eq $Ensure) -and ('Present' -eq $CurrentRule.Ensure)) { Write-Verbose "Rule {$($CurrentRule.Name)} already exists but shouldn't. Deleting Rule." Remove-DLPComplianceRule -Identity $CurrentRule.Name -Confirm:$false } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] $Name, [Parameter(Mandatory = $true)] [System.String] $Policy, [Parameter()] [ValidateSet("InOrganization", "NotInOrganization", "None")] [System.String[]] $AccessScope, [Parameter()] [System.Boolean] $BlockAccess, [Parameter()] [ValidateSet("All", "PerUser")] [System.String] $BlockAccessScope, [Parameter()] [System.String] $Comment, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance[]] $ContentContainsSensitiveInformation, [Parameter()] [System.String[]] $ContentPropertyContainsWords, [Parameter()] [System.Boolean] $Disabled, [Parameter()] [System.String[]] $GenerateAlert, [Parameter()] [System.String[]] $GenerateIncidentReport, [Parameter()] [ValidateSet("All", "Default", "DetectionDetails", "Detections", "DocumentAuthor", "DocumentLastModifier", "MatchedItem", "OriginalContent", "RulesMatched", "Service", "Severity", "Title")] [System.String[]] $IncidentReportContent, [Parameter()] [ValidateSet("FalsePositive", "WithoutJustification", "WithJustification")] [System.String[]] $NotifyAllowOverride, [Parameter()] [System.String] $NotifyEmailCustomText, [Parameter()] [System.String] $NotifyPolicyTipCustomText, [Parameter()] [System.String[]] $NotifyUser, [Parameter()] [ValidateSet("Low", "Medium", "High", "None")] [System.String] $ReportSeverityLevel, [Parameter()] [ValidateSet("Ignore", "RetryThenBlock")] [System.String] $RuleErrorAction, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $GlobalAdminAccount ) Write-Verbose -Message "Testing configuration of DLPComplianceRule for $Name" $CurrentValues = Get-TargetResource @PSBoundParameters 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 @("Name", "Policy", "AccessScope", "BlockAccess", "BlockAccessScope", "Comment", "ContentPropertyContainsWords", "Disabled", "GenerateAlert", "GenerateIncidentReport", "IncidentReportContent", "NotifyAllowOverride", "NotifyEmailCustomText", "NotifyPolicyTipCustomText", "NotifyUser", "ReportSeverityLevel", "RuleErrorAction", "Ensure") 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 ) Test-MSCloudLogin -Platform SecurityComplianceCenter ` -CloudCredential $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 $rules = Get-DLPComplianceRule | Where-Object { $_.Mode -ne 'PendingDeletion' } $i = 1 $DSCContent = "" foreach ($rule in $rules) { Write-Information " [$i/$($rules.Length)] $($rule.Name)" $result = Get-TargetResource -Name $rule.Name -Policy $rule.ParentPolicyName -GlobalAdminAccount $GlobalAdminAccount $IsCIMArray = $false if ($result.ContentContainsSensitiveInformation.Length -gt 1) { $IsCIMArray = $true } $result.ContentContainsSensitiveInformation = ConvertTo-SCDLPSensitiveInformationString -InformationArray $result.ContentContainsSensitiveInformation $result.GlobalAdminAccount = Resolve-Credentials -UserName "globaladmin" $DSCContent += " SCDLPComplianceRule " + (New-GUID).ToString() + "`r`n" $DSCContent += " {`r`n" $currentDSCBlock = Get-DSCBlock -Params $result -ModulePath $PSScriptRoot $currentDSCBlock = Convert-DSCStringParamToVariable -DSCBlock $currentDSCBlock -ParameterName "ContentContainsSensitiveInformation" -IsCIMArray $IsCIMArray $partialContent = Convert-DSCStringParamToVariable -DSCBlock $currentDSCBlock -ParameterName "GlobalAdminAccount" $partialContent += " }`r`n" $DSCContent += $partialContent $i++ } return $DSCContent } function ConvertTo-SCDLPSensitiveInformationString { [CmdletBinding()] [OutputType([System.String[]])] param ( [Parameter(Mandatory = $true)] [System.Object[]] $InformationArray ) $result = @() foreach ($SensitiveInformationHash in $InformationArray) { $StringContent = "MSFT_SCDLPSensitiveInformation`r`n {`r`n" $StringContent += " name = '$($SensitiveInformationHash.name.Replace("'", "''"))'`r`n" if ($null -ne $SensitiveInformationHash.id) { $StringContent += " id = '$($SensitiveInformationHash.id)'`r`n" } if ($null -ne $SensitiveInformationHash.maxconfidence) { $StringContent += " maxconfidence = '$($SensitiveInformationHash.maxconfidence)'`r`n" } if ($null -ne $SensitiveInformationHash.minconfidence) { $StringContent += " minconfidence = '$($SensitiveInformationHash.minconfidence)'`r`n" } if ($null -ne $SensitiveInformationHash.classifiertype) { $StringContent += " classifiertype = '$($SensitiveInformationHash.classifiertype)'`r`n" } if ($null -ne $SensitiveInformationHash.mincount) { $StringContent += " mincount = '$($SensitiveInformationHash.mincount)'`r`n" } if ($null -ne $SensitiveInformationHash.maxcount) { $StringContent += " maxcount = '$($SensitiveInformationHash.maxcount)'`r`n" } $StringContent += " }`r`n" $result += $StringContent } return $result } function Get-SCDLPSensitiveInformation { [CmdletBinding()] [OutputType([System.Object[]])] param ( [Parameter(Mandatory = $true)] [System.Object[]] $SensitiveInformation ) $returnValue = @() foreach ($item in $SensitiveInformation) { $result = @{ name = $item.name } if ($null -ne $item.id) { $result.Add("id", $item.id) } if ($null -ne $item.maxconfidence) { $result.Add("maxconfidence", $item.maxconfidence) } if ($null -ne $item.minconfidence) { $result.Add("minconfidence", $item.minconfidence) } if ($null -ne $item.rulePackId) { $result.Add("rulePackId", $item.rulePackId) } if ($null -ne $item.classifiertype) { $result.Add("classifiertype", $item.classifiertype) } if ($null -ne $item.mincount) { $result.Add("mincount", $item.mincount) } if ($null -ne $item.maxcount) { $result.Add("maxcount", $item.maxcount) } $returnValue += $result } return $returnValue } Export-ModuleMember -Function *-TargetResource |