DSCResources/MSFT_EXOMailboxPermission/MSFT_EXOMailboxPermission.psm1
function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] $Identity, [Parameter(Mandatory = $true)] [ValidateSet("ChangeOwner", "ChangePermission", "DeleteItem", "ExternalAccount", "FullAccess", "ReadPermission")] [System.String[]] $AccessRights, [Parameter(Mandatory = $true)] [System.String] [ValidateSet("None", "All", "Children", "Descendents", "SelfAndChildren")] $InheritanceType = 'All', [Parameter()] [System.String] $Owner, [Parameter(Mandatory = $true)] [System.String] $User, [Parameter()] [System.Boolean] $Deny, [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[]] $AccessTokens ) Write-Verbose -Message "Getting permissions for Mailbox {$Identity}" if ($Global:CurrentModeIsExport) { $ConnectionMode = New-M365DSCConnection -Workload 'ExchangeOnline' ` -InboundParameters $PSBoundParameters ` -SkipModuleReload $true } else { $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 $nullResult = @{ Identity = $Identity Ensure = 'Absent' } try { [Array]$permission = Get-MailboxPermission -Identity $Identity -ErrorAction Stop if ($permission.Length -gt 1) { $permission = $permission | Where-Object -FilterScript {$_.User -eq $User -and (Compare-Object -ReferenceObject $_.AccessRights.Replace(' ','').Split(',') -DifferenceObject $AccessRights).Count -eq 0} } if ($permission.Length -gt 1) { $permission = $permission[0] } if ($null -eq $permission) { Write-Verbose -Message "Permission for mailbox {$($Identity)} do not exist." return $nullResult } $result = @{ Identity = $permission.Identity AccessRights = [Array]$permission.AccessRights.Replace(' ','').Split(',') InheritanceType = $permission.InheritanceType Owner = $permission.Owner User = $permission.User Deny = [Boolean]$permission.Deny Ensure = 'Present' Credential = $Credential ApplicationId = $ApplicationId CertificateThumbprint = $CertificateThumbprint CertificatePath = $CertificatePath CertificatePassword = $CertificatePassword Managedidentity = $ManagedIdentity.IsPresent TenantId = $TenantId AccessTokens = $AccessTokens } Write-Verbose -Message "Found permissions for mailbox {$($Identity)}" return $result } 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(Mandatory = $true)] [ValidateSet("ChangeOwner", "ChangePermission", "DeleteItem", "ExternalAccount", "FullAccess", "ReadPermission")] [System.String[]] $AccessRights, [Parameter(Mandatory = $true)] [System.String] [ValidateSet("None", "All", "Children", "Descendents", "SelfAndChildren")] $InheritanceType = 'All', [Parameter()] [System.String] $Owner, [Parameter(Mandatory = $true)] [System.String] $User, [Parameter()] [System.Boolean] $Deny, [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[]] $AccessTokens ) Write-Verbose -Message "Setting configuration of Mailbox Permissions for {$Identity}" #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 $ConnectionMode = New-M365DSCConnection -Workload 'ExchangeOnline' ` -InboundParameters $PSBoundParameters $currentValues = Get-TargetResource @PSBoundParameters $instanceParams = [System.Collections.Hashtable]($PSBoundParameters) $instanceParams.Remove('Ensure') | Out-Null $instanceParams.Remove('Credential') | Out-Null $instanceParams.Remove('ApplicationId') | Out-Null $instanceParams.Remove('TenantId') | Out-Null $instanceParams.Remove('CertificateThumbprint') | Out-Null $instanceParams.Remove('CertificatePath') | Out-Null $instanceParams.Remove('CertificatePassword') | Out-Null $instanceParams.Remove('ManagedIdentity') | Out-Null $instanceParams.Remove('AccessTokens') | Out-Null if ($Ensure -eq 'Present' -and $currentValues.Ensure -eq 'Absent') { Write-Verbose -Message "Adding new permission for user {$User} on Mailbox {$Identity}" Add-MailboxPermission @instanceParams | Out-Null } elseif ($Ensure -eq 'Absent') { Write-Verbose -Message "Removing permission for user {$User} on Mailbox {$Identity}" Remove-MailboxPermission @instanceParams } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] $Identity, [Parameter(Mandatory = $true)] [ValidateSet("ChangeOwner", "ChangePermission", "DeleteItem", "ExternalAccount", "FullAccess", "ReadPermission")] [System.String[]] $AccessRights, [Parameter(Mandatory = $true)] [System.String] [ValidateSet("None", "All", "Children", "Descendents", "SelfAndChildren")] $InheritanceType = 'All', [Parameter()] [System.String] $Owner, [Parameter(Mandatory = $true)] [System.String] $User, [Parameter()] [System.Boolean] $Deny, [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 $data #endregion Write-Verbose -Message "Testing configuration of Mailbox Permission for {$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 $TestResult = Test-M365DSCParameterState -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()] [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 ` -SkipModuleReload $true #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 $data #endregion try { [array]$mailboxes = Get-Mailbox -ResultSize 'Unlimited' -ErrorAction Stop if ($mailboxes.Length -eq 0) { Write-Host $Global:M365DSCEmojiGreenCheckMark } else { Write-Host "`r`n" -NoNewline } $dscContent = '' $i = 1 foreach ($mailbox in $mailboxes) { Write-Host " |---[$i/$($mailboxes.Count)] $($mailbox.UserPrincipalName)" -NoNewline [Array]$permissions = Get-MailboxPermission -Identity $mailbox.UserPrincipalName $j = 1 Write-Host "`r`n" -NoNewline foreach ($permission in $permissions) { if ($null -ne $Global:M365DSCExportResourceInstancesCount) { $Global:M365DSCExportResourceInstancesCount++ } Write-Host " |---[$j/$($permissions.Count)] $($permission.Identity)" -NoNewline $Params = @{ Identity = $mailbox.UserPrincipalName AccessRights = [Array]$permission.AccessRights.Replace(' ','').Replace('SendAs,','').Split(',') # ignore SendAs permissions since they are not supported by *-MailboxPermission cmdlets InheritanceType = $permission.InheritanceType User = $permission.User Credential = $Credential ApplicationId = $ApplicationId TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint CertificatePassword = $CertificatePassword Managedidentity = $ManagedIdentity.IsPresent CertificatePath = $CertificatePath AccessTokens = $AccessTokens } $Results = Get-TargetResource @Params if ($Results -is [System.Collections.Hashtable] -and $Results.Count -gt 1) { $Results = Update-M365DSCExportAuthenticationResults -ConnectionMode $ConnectionMode ` -Results $Results $currentDSCBlock = Get-M365DSCExportContentForResource -ResourceName $ResourceName ` -ConnectionMode $ConnectionMode ` -ModulePath $PSScriptRoot ` -Results $Results ` -Credential $Credential $dscContent += $currentDSCBlock Save-M365DSCPartialExport -Content $currentDSCBlock ` -FileName $Global:PartialExportFileName Write-Host $Global:M365DSCEmojiGreenCheckMark } else { Write-Host $Global:M365DSCEmojiRedX } $j++ } $i++ } return $dscContent } catch { Write-Host $Global:M365DSCEmojiRedX New-M365DSCLogEntry -Message 'Error during Export:' ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId ` -Credential $Credential return '' } } Export-ModuleMember -Function *-TargetResource |