functions/conditionalAccessPolicies/Test-TmfConditionalAccessPolicy.ps1
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function Test-TmfConditionalAccessPolicy { <# .SYNOPSIS Test desired configuration against a Tenant. .DESCRIPTION Compare current configuration of a resource type with the desired configuration. Return a result object with the required changes and actions. #> [CmdletBinding()] Param ( [System.Management.Automation.PSCmdlet] $Cmdlet = $PSCmdlet ) begin { Test-GraphConnection -Cmdlet $Cmdlet $resourceName = "conditionalAccessPolicies" $tenant = Get-MgOrganization -Property displayName, Id $resolveFunctionMapping = @{ "Users" = (Get-Command Resolve-User) "Groups" = (Get-Command Resolve-Group) "Applications" = (Get-Command Resolve-Application) "Roles" = (Get-Command Resolve-DirectoryRoleTemplate) "Locations" = (Get-Command Resolve-NamedLocation) "Platforms" = "DirectCompare" } $conditionPropertyRegex = [regex]"^(include|exclude)($($resolveFunctionMapping.Keys -join "|"))$" } process { foreach ($definition in $script:desiredConfiguration[$resourceName]) { foreach ($property in $definition.Properties()) { if ($definition.$property.GetType().Name -eq "String") { $definition.$property = Resolve-String -Text $definition.$property } } $result = @{ Tenant = $tenant.displayName TenantId = $tenant.Id ResourceType = 'ConditionalAccessPolicy' ResourceName = (Resolve-String -Text $definition.displayName) DesiredConfiguration = $definition } if ("oldNames" -in $definition.Properties()) { $filter = ($definition.oldNames + $definition.displayName | Foreach-Object { "(displayName eq '{0}')" -f [System.Web.HttpUtility]::UrlEncode($_) }) -join " or " } else { $filter = "(displayName eq '{0}')" -f [System.Web.HttpUtility]::UrlEncode($definition.displayName) } try { $resource = (Invoke-MgGraphRequest -Method GET -Uri ("$script:graphBaseUrl/identity/conditionalAccess/policies?`$filter={0}" -f $filter)).Value } catch { Write-PSFMessage -Level Warning -String 'TMF.Error.QueryWithFilterFailed' -StringValues $filter -Tag 'failed' $exception = New-Object System.Data.DataException("Query with filter $filter against Microsoft Graph failed. Error: $_") $errorID = 'QueryWithFilterFailed' $category = [System.Management.Automation.ErrorCategory]::NotSpecified $recordObject = New-Object System.Management.Automation.ErrorRecord($exception, $errorID, $category, $Cmdlet) $cmdlet.ThrowTerminatingError($recordObject) } switch ($resource.Count) { 0 { if ($definition.present) { $result = New-TestResult @result -ActionType "Create" } else { $result = New-TestResult @result -ActionType "NoActionRequired" } } 1 { $result["GraphResource"] = $resource if ($definition.present) { $changes = @() foreach ($property in ($definition.Properties() | Where-Object {$_ -notin "oldNames", "present", "sourceConfig"})) { $change = [PSCustomObject] @{ Property = $property Actions = $null } $conditionPropertyMatch = $conditionPropertyRegex.Match($property) $propertyTargetResourceType = $conditionPropertyMatch.Groups[2].Value if ($propertyTargetResourceType -in @("Users", "Groups", "Roles")) { $change.Actions = Compare-ResourceList -ReferenceList $resource.conditions.users.$property ` -DifferenceList $($definition.$property | ForEach-Object {& $resolveFunctionMapping[$propertyTargetResourceType] -InputReference $_ -Cmdlet $Cmdlet}) ` -Cmdlet $PSCmdlet -ReturnSetAction } elseif ($propertyTargetResourceType -in $resolveFunctionMapping.Keys) { if ($resolveFunctionMapping[$propertyTargetResourceType] -eq "DirectCompare") { if ($resource.conditions.$($propertyTargetResourceType.toLower()).$property) { if (Compare-Object -ReferenceObject $resource.conditions.$($propertyTargetResourceType.toLower()).$property -DifferenceObject $definition.$property) { $change.Actions = @{"Set" = $definition.$property} } } else { $change.Actions = @{"Set" = $definition.$property} } } else { $change.Actions = Compare-ResourceList -ReferenceList $resource.conditions.$($propertyTargetResourceType.toLower()).$property ` -DifferenceList $($definition.$property | ForEach-Object {& $resolveFunctionMapping[$propertyTargetResourceType] -InputReference $_ -Cmdlet $Cmdlet}) ` -Cmdlet $PSCmdlet -ReturnSetAction } } elseif ($property -in @("clientAppTypes", "userRiskLevels", "signInRiskLevels")) { if (Compare-Object -ReferenceObject $resource.conditions.$property -DifferenceObject $definition.$property) { $change.Actions = @{"Set" = $definition.$property} } } elseif ($property -in @("sessionControls", "grantControls")) { if ($resource.$property) { if (-Not (Compare-Hashtable -ReferenceObject $definition.$property -DifferenceObject ($resource.$property | ConvertTo-PSFHashTable))) { $change.Actions = @{"Set" = $definition.$property} } } else { $change.Actions = @{"Set" = $definition.$property} } } elseif ($property -eq "termsOfUse") { $change.Actions = Compare-ResourceList -ReferenceList $resource.grantControls.$property ` -DifferenceList $($definition.$property | ForEach-Object {Resolve-Agreement -InputReference $_ -Cmdlet $Cmdlet}) ` -Cmdlet $PSCmdlet -ReturnSetAction } else { if ($definition.$property -ne $resource.$property) { $change.Actions = @{"Set" = $definition.$property} } } if ($change.Actions) {$changes += $change} } if ($changes.count -gt 0) { $result = New-TestResult @result -Changes $changes -ActionType "Update"} else { $result = New-TestResult @result -ActionType "NoActionRequired" } } else { $result = New-TestResult @result -ActionType "Delete" } } default { Write-PSFMessage -Level Warning -String 'TMF.Test.MultipleResourcesError' -StringValues $resourceName, $definition.displayName -Tag 'failed' $exception = New-Object System.Data.DataException("Query returned multiple results. Cannot decide which resource to test.") $errorID = 'MultipleResourcesError' $category = [System.Management.Automation.ErrorCategory]::NotSpecified $recordObject = New-Object System.Management.Automation.ErrorRecord($exception, $errorID, $category, $Cmdlet) $cmdlet.ThrowTerminatingError($recordObject) } } $result } } } |