DSCResources/MSFT_EXOMailboxFolderPermission/MSFT_EXOMailboxFolderPermission.psm1
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function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] $Identity, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance[]] $UserPermissions, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [System.String] $CertificatePath, [Parameter()] [System.Management.Automation.PSCredential] $CertificatePassword, [Parameter()] [Switch] $ManagedIdentity, [Parameter()] [System.String[]] $AccessTokens ) New-M365DSCConnection -Workload 'ExchangeOnline' ` -InboundParameters $PSBoundParameters | Out-Null #Ensure the proper dependencies are installed in the current environment. Confirm-M365DSCDependencies #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace('MSFT_', '') $CommandName = $MyInvocation.MyCommand $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName ` -CommandName $CommandName ` -Parameters $PSBoundParameters Add-M365DSCTelemetryEvent -Data $data #endregion $nullResult = $PSBoundParameters $nullResult.Ensure = 'Absent' try { if ($null -ne $Script:exportedInstances -and $Script:ExportMode) { $instances = $Script:exportedInstances | Where-Object -FilterScript {$_.Identity -eq $Identity} } else { $instances = Get-MailboxFolderPermission -Identity $Identity -ErrorAction Stop } if ($null -eq $instances) { return $nullResult } [Array]$permissionsObj = @() foreach($mailboxfolderPermission in $instances){ $currentPermission = @{} $currentPermission.Add('User', $mailboxFolderPermission.User.ToString()) $currentPermission.Add('AccessRights', $mailboxFolderPermission.AccessRights) if($null -ne $mailboxFolderPermission.SharingPermissionFlags) { $currentPermission.Add('SharingPermissionFlags', $mailboxFolderPermission.SharingPermissionFlags) } $permissionsObj += $currentPermission } $results = @{ Identity = $Identity UserPermissions = [Array]$permissionsObj Ensure = 'Present' Credential = $Credential ApplicationId = $ApplicationId TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint ManagedIdentity = $ManagedIdentity.IsPresent AccessTokens = $AccessTokens } return [System.Collections.Hashtable] $results } catch { New-M365DSCLogEntry -Message 'Error retrieving data:' ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId ` -Credential $Credential return $nullResult } } function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.String] $Identity, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance[]] $UserPermissions, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [System.String] $CertificatePath, [Parameter()] [System.Management.Automation.PSCredential] $CertificatePassword, [Parameter()] [Switch] $ManagedIdentity, [Parameter()] [System.String[]] $AccessTokens ) #Ensure the proper dependencies are installed in the current environment. Confirm-M365DSCDependencies #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace('MSFT_', '') $CommandName = $MyInvocation.MyCommand $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName ` -CommandName $CommandName ` -Parameters $PSBoundParameters Add-M365DSCTelemetryEvent -Data $data #endregion $currentInstance = Get-TargetResource @PSBoundParameters $currentMailboxFolderPermissions = $currentInstance.UserPermissions if ($Ensure -eq 'Present' -and $currentValues.Ensure -eq 'Absent') { Write-Verbose -Message "There was some error in fetching the mailbox folder permissions for the folder {$Identity}." return } elseif ($Ensure -eq 'Absent') { Write-Verbose -Message "Supplying Ensure = 'Absent' doesn't remove the permissions for the current mailbox folder. Send an array of required permissions instead." return } # Remove all the current existing pemrissions on this folder. # Skip removing the default and anonymous permissions, as can't be removed, and should just be directly updated. foreach($currentUserPermission in $currentMailboxFolderPermissions) { if($currentUserPermission.User.ToString().ToLower() -ne "default" -and $currentUserPermission.User.ToString().ToLower() -ne "anonymous"){ Remove-MailboxFolderPermission -Identity $Identity -User $currentUserPermission.User -Confirm:$false } } # Add the desired state permissions on the mailbox folder # For Default and anonymous users, as the permissions were not removed, we just need to call set. foreach($userPermission in $UserPermissions) { if($userPermission.User.ToString().ToLower() -eq "default" -or $userPermission.User.ToString().ToLower() -eq "anonymous"){ if ($userPermission.SharingPermissionFlags -eq ""){ Set-MailboxFolderPermission -Identity $Identity -User $userPermission.User -AccessRights $userPermission.AccessRights } else { Set-MailboxFolderPermission -Identity $Identity -User $userPermission.User -AccessRights $userPermission.AccessRights -SharingPermissionFlags $userPermission.SharingPermissionFlags } } else { if ($userPermission.SharingPermissionFlags -eq ""){ Add-MailboxFolderPermission -Identity $Identity -User $userPermission.User -AccessRights $userPermission.AccessRights } else { Add-MailboxFolderPermission -Identity $Identity -User $userPermission.User -AccessRights $userPermission.AccessRights -SharingPermissionFlags $userPermission.SharingPermissionFlags } } } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] $Identity, [Parameter()] [Microsoft.Management.Infrastructure.CimInstance[]] $UserPermissions, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [System.String] $CertificatePath, [Parameter()] [System.Management.Automation.PSCredential] $CertificatePassword, [Parameter()] [Switch] $ManagedIdentity, [Parameter()] [System.String[]] $AccessTokens ) #Ensure the proper dependencies are installed in the current environment. Confirm-M365DSCDependencies #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace('MSFT_', '') $CommandName = $MyInvocation.MyCommand $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName ` -CommandName $CommandName ` -Parameters $PSBoundParameters Add-M365DSCTelemetryEvent -Data $data #endregion $testTargetResource = $true $CurrentValues = Get-TargetResource @PSBoundParameters $ValuesToCheck = ([Hashtable]$PSBoundParameters).Clone() #Compare Cim instances foreach ($key in $PSBoundParameters.Keys) { $source = $PSBoundParameters.$key $target = $CurrentValues.$key if ($null -ne $source -and $source.GetType().Name -like '*CimInstance*') { $testResult = Compare-M365DSCComplexObject ` -Source ($source) ` -Target ($target) if (-not $testResult) { $testTargetResource = $false } else { $ValuesToCheck.Remove($key) | Out-Null } } } Write-Verbose -Message "Current Values: $(Convert-M365DscHashtableToString -Hashtable $CurrentValues)" Write-Verbose -Message "Target Values: $(Convert-M365DscHashtableToString -Hashtable $PSBoundParameters)" $TestResult = Test-M365DSCParameterState -CurrentValues $CurrentValues ` -Source $($MyInvocation.MyCommand.Source) ` -DesiredValues $PSBoundParameters ` -ValuesToCheck $ValuesToCheck.Keys ` -IncludedDrifts $driftedParams if(-not $TestResult) { $testTargetResource = $false } Write-Verbose -Message "Test-TargetResource returned $testTargetResource" return $testTargetResource } function Export-TargetResource { [CmdletBinding()] [OutputType([System.String])] param ( [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [System.String] $CertificatePath, [Parameter()] [System.Management.Automation.PSCredential] $CertificatePassword, [Parameter()] [Switch] $ManagedIdentity, [Parameter()] [System.String[]] $AccessTokens ) $ConnectionMode = New-M365DSCConnection -Workload 'ExchangeOnline' ` -InboundParameters $PSBoundParameters #Ensure the proper dependencies are installed in the current environment. Confirm-M365DSCDependencies #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName.Replace('MSFT_', '') $CommandName = $MyInvocation.MyCommand $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName ` -CommandName $CommandName ` -Parameters $PSBoundParameters Add-M365DSCTelemetryEvent -Data $data #endregion try { # Ensure the cmdlet is available $cmdletInfo = Get-Command Get-MailboxFolder -ErrorAction SilentlyContinue if ($null -eq $cmdletInfo) { Write-Host " `r`n$($Global:M365DSCEmojiYellowCircle) The Get-MailboxFolder cmdlet is not avalaible. Service Principals do not have mailboxes." return '' } [Array]$mailboxFolders = Get-MailboxFolder -Recurse if ($mailboxes.Length -eq 0) { Write-Host $Global:M365DSCEmojiGreenCheckMark } else { Write-Host "`r`n" -NoNewline } $j = 1 foreach ($mailboxFolder in $mailboxFolders) { Write-Host " |---[$j/$($mailboxFolders.count)] $($mailboxFolder.Identity)" -NoNewline Write-Host "`r`n" -NoNewline $Params = @{ Identity = $mailboxFolder.Identity UserPermissions = $null Credential = $Credential ApplicationId = $ApplicationId TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint Managedidentity = $ManagedIdentity.IsPresent AccessTokens = $AccessTokens } $MailboxFolderPermissions = Get-TargetResource @Params $Result = $MailboxFolderPermissions $Result = Update-M365DSCExportAuthenticationResults -ConnectionMode $ConnectionMode ` -Results $Result if ($Result.UserPermissions.Count -gt 0) { $Result.UserPermissions = Get-M365DSCEXOUserPermissionsList $Result.UserPermissions } $currentDSCBlock = Get-M365DSCExportContentForResource -ResourceName $ResourceName ` -ConnectionMode $ConnectionMode ` -ModulePath $PSScriptRoot ` -Results $Result ` -Credential $Credential if ($null -ne $Result.UserPermissions) { $currentDSCBlock = Convert-DSCStringParamToVariable -DSCBlock $currentDSCBlock ` -ParameterName 'UserPermissions' } $dscContent += $currentDSCBlock Save-M365DSCPartialExport -Content $currentDSCBlock ` -FileName $Global:PartialExportFileName $j++ } return $dscContent } catch { Write-Host $Global:M365DSCEmojiRedX New-M365DSCLogEntry -Message 'Error during Export:' ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId ` -Credential $Credential return '' } } function Get-M365DSCEXOUserPermissionsList { [CmdletBinding()] [OutputType([System.String])] param( [Parameter(Mandatory = $true)] [System.Collections.ArrayList] $Permissions ) $StringContent = '@(' foreach ($permission in $Permissions) { $StringContent += "MSFT_EXOMailboxFolderUserPermission {`r`n" $StringContent += " User = '" + $permission.User + "'`r`n" $StringContent += " AccessRights = '" + $permission.AccessRights + "'`r`n" if($null -ne $permission.SharingPermissionFlags){ # $StringContent += " SharingPermissionFlags = `$null" + "`r`n" # } else { $StringContent += " SharingPermissionFlags = '" + $permission.SharingPermissionFlags + "'`r`n" } $StringContent += " }`r`n" } $StringContent += ' )' return $StringContent } Export-ModuleMember -Function *-TargetResource |