DSCResources/MSFT_EXOSharedMailbox/MSFT_EXOSharedMailbox.psm1
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function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] $DisplayName, [Parameter()] [System.String] $PrimarySMTPAddress, [Parameter()] [System.String] $Alias, [Parameter()] [System.String[]] $EmailAddresses, [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 ) Write-Verbose -Message "Getting configuration of Office 365 Shared Mailbox $DisplayName" if ($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 $nullReturn = $PSBoundParameters $nullReturn.Ensure = 'Absent' try { $mailbox = Get-Mailbox -Identity $DisplayName ` -RecipientTypeDetails 'SharedMailbox' ` -ResultSize Unlimited ` -ErrorAction Stop if ($null -eq $mailbox) { Write-Verbose -Message "The specified Shared Mailbox doesn't already exist." return $nullReturn } #region EmailAddresses $CurrentEmailAddresses = @() foreach ($email in $mailbox.EmailAddresses) { $emailValue = $email.Split(':')[1] if ($emailValue -and $emailValue -ne $mailbox.PrimarySMTPAddress) { $CurrentEmailAddresses += $emailValue } } #endregion $result = @{ DisplayName = $DisplayName PrimarySMTPAddress = $mailbox.PrimarySMTPAddress.ToString() Alias = $mailbox.Alias EmailAddresses = $CurrentEmailAddresses Ensure = 'Present' Credential = $Credential ApplicationId = $ApplicationId CertificateThumbprint = $CertificateThumbprint CertificatePath = $CertificatePath CertificatePassword = $CertificatePassword Managedidentity = $ManagedIdentity.IsPresent TenantId = $TenantId } Write-Verbose -Message "Found an existing instance of Shared Mailbox '$($DisplayName)'" return $result } catch { New-M365DSCLogEntry -Message 'Error retrieving data:' ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId ` -Credential $Credential return $nullReturn } } function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.String] $DisplayName, [Parameter()] [System.String] $PrimarySMTPAddress, [Parameter()] [System.String] $Alias, [Parameter()] [System.String[]] $EmailAddresses = @(), [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 ) Write-Verbose -Message "Setting configuration of Office 365 Shared Mailbox $DisplayName" #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 $currentMailbox = Get-TargetResource @PSBoundParameters #region Validation foreach ($secondaryAlias in $EmailAddresses) { if ($secondaryAlias.ToLower() -eq $PrimarySMTPAddress.ToLower()) { throw 'You cannot have the EmailAddresses list contain the PrimarySMTPAddress' } } #endregion $CurrentParameters = $PSBoundParameters $ConnectionMode = New-M365DSCConnection -Workload 'ExchangeOnline' ` -InboundParameters $PSBoundParameters # CASE: Mailbox doesn't exist but should; if ($Ensure -eq 'Present' -and $currentMailbox.Ensure -eq 'Absent') { Write-Verbose -Message "Shared Mailbox '$($DisplayName)' does not exist but it should. Creating it." $emails = '' foreach ($secondaryAlias in $EmailAddresses) { $emails += $secondaryAlias + ',' } $emails += $PrimarySMTPAddress $proxyAddresses = $emails -Split ',' $CurrentParameters.EmailAddresses = $proxyAddresses $NewMailBoxParameters = @{ Name = $DisplayName PrimarySMTPAddress = $PrimarySMTPAddress Shared = $true } if ($Alias) { $NewMailBoxParameters.Add('Alias', $Alias) } New-MailBox @NewMailBoxParameters Set-Mailbox -Identity $DisplayName -EmailAddresses @{add = $EmailAddresses } } # CASE: Mailbox exists but it shouldn't; elseif ($Ensure -eq 'Absent' -and $currentMailbox.Ensure -eq 'Present') { Write-Verbose -Message "Shared Mailbox '$($DisplayName)' exists but it shouldn't. Deleting it." Remove-Mailbox -Identity $DisplayName -Confirm:$false } # CASE: Mailbox exists and it should, but has different values than the desired ones elseif ($Ensure -eq 'Present' -and $currentMailbox.Ensure -eq 'Present') { # CASE: EmailAddresses need to be updated Write-Verbose -Message "Shared Mailbox '$($DisplayName)' already exists, but needs updating." $current = $currentMailbox.EmailAddresses $desired = $EmailAddresses $diff = Compare-Object -ReferenceObject $current -DifferenceObject $desired if ($diff) { # Add EmailAddresses Write-Verbose -Message "Updating the list of EmailAddresses for the Shared Mailbox '$($DisplayName)'" $emails = '' $emailAddressesToAdd = $diff | Where-Object -FilterScript { $_.SideIndicator -eq '=>' } if ($null -ne $emailAddressesToAdd) { $emailsToAdd = '' foreach ($secondaryAlias in $emailAddressesToAdd) { $emailsToAdd += $secondaryAlias.InputObject + ',' } $emailsToAdd += $PrimarySMTPAddress $proxyAddresses = $emailsToAdd -Split ',' Write-Verbose -Message "Adding the following EmailAddresses: $emailsToAdd" Set-Mailbox -Identity $DisplayName -EmailAddresses @{add = $proxyAddresses } } # Remove EmailAddresses $emailAddressesToRemove = $diff | Where-Object -FilterScript { $_.SideIndicator -eq '<=' } if ($null -ne $emailAddressesToRemove) { $emailsToRemoved = '' foreach ($secondaryAlias in $emailAddressesToRemove) { $emailsToRemoved += $secondaryAlias.InputObject + ',' } $emailsToRemoved += $PrimarySMTPAddress $proxyAddresses = $emailsToRemoved -Split ',' Write-Verbose -Message "Removing the following EmailAddresses: $emailsToRemoved" Set-Mailbox -Identity $DisplayName -EmailAddresses @{remove = $proxyAddresses } } } $current = $currentMailbox.Alias $desired = $Alias $diff = Compare-Object -ReferenceObject $current -DifferenceObject $desired if ($diff) { Write-Verbose -Message "Updating Alias for the Shared Mailbox '$($DisplayName)'" Set-Mailbox -Identity $DisplayName -Alias $Alias } $current = $currentMailbox.PrimarySMTPAddress $desired = $PrimarySMTPAddress $diff = Compare-Object -ReferenceObject $current -DifferenceObject $desired if ($diff) { Write-Verbose -Message "Updating PrimarySmtpAddress for the Shared Mailbox from $($mailbox.PrimarySMTPAddress) to $PrimarySMTPAddress" Set-Mailbox -Identity $mailbox.guid.guid -WindowsEmailAddress $PrimarySMTPAddress } } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] $DisplayName, [Parameter()] [System.String] $PrimarySMTPAddress, [Parameter()] [System.String] $Alias, [Parameter()] [System.String[]] $EmailAddresses, [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 ) #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 Office 365 Shared Mailbox $DisplayName" $CurrentValues = Get-TargetResource @PSBoundParameters 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 @('Ensure', ` 'DisplayName', ` 'Alias', ` 'PrimarySMTPAddress', 'EmailAddresses') 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 ) $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 -RecipientTypeDetails 'SharedMailbox' ` -ResultSize Unlimited ` -ErrorAction Stop $dscContent = '' $i = 1 if ($mailboxes.Length -eq 0) { Write-Host $Global:M365DSCEmojiGreenCheckMark } else { Write-Host "`r`n" -NoNewline } foreach ($mailbox in $mailboxes) { Write-Host " |---[$i/$($mailboxes.Length)] $($mailbox.Name)" -NoNewline $mailboxName = $mailbox.Name if ($mailboxName) { $params = @{ Credential = $Credential DisplayName = $mailboxName Alias = $mailbox.Alias ApplicationId = $ApplicationId TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint CertificatePassword = $CertificatePassword Managedidentity = $ManagedIdentity.IsPresent CertificatePath = $CertificatePath } $Results = Get-TargetResource @Params $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 $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 |