Public/Install-ByttEmail.ps1
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<# .DESCRIPTION Installs ByttEmail in the signed in tenant .SYNOPSIS Installs ByttEmail in the signed in tenant .EXAMPLE Install-ByttEmail #> function Install-ByttEmail { [CmdletBinding()] Param() Begin { } Process { $fortytwoUniverseAppId = "2808f963-7bba-4e66-9eee-82d0b178f408" if (![string]::IsNullOrEmpty($ENV:FORTYTWO_UNIVERSE_APP_ID)) { $fortytwoUniverseAppId = $ENV:FORTYTWO_UNIVERSE_APP_ID } $byttEmailAppId = "34ee8edb-d2ff-4ee9-bac3-73b53303e00f" if (![string]::IsNullOrEmpty($ENV:BYTT_EMAIL_APP_ID)) { $byttEmailAppId = $ENV:BYTT_EMAIL_APP_ID } Write-Host "Signing in to Microsoft Graph..." Connect-MgGraph -Scope Application.ReadWrite.All, AppRoleAssignment.ReadWrite.All, Group.ReadWrite.All, AdministrativeUnit.ReadWrite.All, DelegatedPermissionGrant.ReadWrite.All -NoWelcome Write-Host "Checking Enterprise Application for Fortytwo Universe..." -NoNewline $fortytwoUniverseApp = Get-MgServicePrincipal -Filter "appId eq '$fortytwoUniverseAppId'" -ErrorAction SilentlyContinue if (!$fortytwoUniverseApp) { Write-Host -ForegroundColor Green " [Creating...]" $fortytwoUniverseApp = New-MgServicePrincipal -AppId $fortytwoUniverseAppId Write-Host -ForegroundColor Green "Enterprise Application for Fortytwo Universe created with objectid $($fortytwoUniverseApp.Id)." } else { Write-Host -ForegroundColor Green " [OK]" } Write-Host "Checking Enterprise Application for Bytt.Email..." -NoNewline $byttEmailApp = Get-MgServicePrincipal -Filter "appId eq '$byttEmailAppId'" -ErrorAction SilentlyContinue if (!$byttEmailApp) { Write-Host -ForegroundColor Green " [Creating...]" $byttEmailApp = New-MgServicePrincipal -AppId $byttEmailAppId Write-Host -ForegroundColor Green "Enterprise Application for Bytt.Email created with objectid $($byttEmailApp.Id)." } else { Write-Host -ForegroundColor Green " [OK]" } Write-Host "Adding admin consent for user.read to Fortytwo Universe..." -NoNewline $microsoftGraph = Get-MgServicePrincipal -Filter "appId eq '00000003-0000-0000-c000-000000000000'" -ErrorAction SilentlyContinue $graphPermissions = Get-MgOauth2PermissionGrant -Filter "consentType eq 'AllPrincipals' and resourceId eq '$($microsoftGraph.Id)'" -All $match = $graphPermissions | Where-Object { $_.ClientId -eq $fortytwoUniverseApp.Id -and $_.Scope -eq "user.read" } if (!$match) { $grant = New-MgOauth2PermissionGrant -ClientId $fortytwoUniverseApp.Id -ConsentType "AllPrincipals" -PrincipalId $null -ResourceId $microsoftGraph.Id -Scope "user.read" Write-Host -ForegroundColor Green " [Added]" } else { Write-Host -ForegroundColor Green " [OK]" } Write-Host "Adding admin consent for user.read to Bytt.Email..." -NoNewline $microsoftGraph = Get-MgServicePrincipal -Filter "appId eq '00000003-0000-0000-c000-000000000000'" -ErrorAction SilentlyContinue $graphPermissions = Get-MgOauth2PermissionGrant -Filter "consentType eq 'AllPrincipals' and resourceId eq '$($microsoftGraph.Id)'" -All $match = $graphPermissions | Where-Object { $_.ClientId -eq $byttEmailApp.Id -and $_.Scope -eq "user.read" } if (!$match) { $grant = New-MgOauth2PermissionGrant -ClientId $byttEmailApp.Id -ConsentType "AllPrincipals" -PrincipalId $null -ResourceId $microsoftGraph.Id -Scope "user.read" Write-Host -ForegroundColor Green " [Added]" } else { Write-Host -ForegroundColor Green " [OK]" } Write-Host "Granting user.read.all application permission to Bytt.Email..." -NoNewline $appRoleAssignments = Get-MgServicePrincipalAppRoleAssignment -ServicePrincipalId $byttEmailApp.Id -All $match = $appRoleAssignments | Where-Object { $_.AppRoleId -eq "df021288-bdef-4463-88db-98f22de89214" -and $_.PrincipalId -eq $byttEmailApp.Id -and $_.ResourceId -eq $microsoftGraph.Id } if (!$match) { $appRoleAssignment = New-MgServicePrincipalAppRoleAssignment -ServicePrincipalId $byttEmailApp.Id -PrincipalId $byttEmailApp.Id -ResourceId $microsoftGraph.Id -AppRoleId "df021288-bdef-4463-88db-98f22de89214" Write-Host -ForegroundColor Green " [Added]" } else { Write-Host -ForegroundColor Green " [OK]" } Write-Host "Granting groupmember.read.all application permission to Bytt.Email..." -NoNewline $appRoleAssignments = Get-MgServicePrincipalAppRoleAssignment -ServicePrincipalId $byttEmailApp.Id -All $match = $appRoleAssignments | Where-Object { $_.AppRoleId -eq "df021288-bdef-4463-88db-98f22de89214" -and $_.PrincipalId -eq $byttEmailApp.Id -and $_.ResourceId -eq $microsoftGraph.Id } if (!$match) { $appRoleAssignment = New-MgServicePrincipalAppRoleAssignment -ServicePrincipalId $byttEmailApp.Id -PrincipalId $byttEmailApp.Id -ResourceId $microsoftGraph.Id -AppRoleId "62a82d76-70ea-41e2-9197-370581804d09" Write-Host -ForegroundColor Green " [Added]" } else { Write-Host -ForegroundColor Green " [OK]" } Write-Host "Creating pattern groups for all domains..." $groups = @() $domains = Get-MgDomain -All | Where-Object { $_.IsVerified -eq $true } | Where-Object { $_.Id -notlike "*mail.onmicrosoft.com" } foreach ($domain in $domains) { $groupName = "Bytt.Email pattern - $($domain.Id)" Write-Host " - Processing group for domain $($domain.Id)..." -NoNewline $group = Get-MgGroup -Filter "displayName eq '$groupName'" -ErrorAction SilentlyContinue if (!$group) { $group = New-MgGroup -DisplayName $groupName -MailEnabled:$false -SecurityEnabled:$true -MailNickname "$(new-guid)".Substring(0, 8) -AdditionalProperties @{ "extension_34ee8edbd2ff4ee9bac373b53303e00f_patterns" = @( "{firstname1}.{lastname-1}@$domain" "{firstname1}.{firstname2}.{lastname-1}@$domain" "{firstname1}.{lastname-2}.{lastname-1}@$domain" "{firstnamewd1}.{lastnamewd-1}@$domain" "{firstnamewd1}.{firstnamewd2}.{lastnamewd-1}@$domain" "{firstnamewd1}.{lastnamewd-2}.{lastnamewd-1}@$domain" "{firstname1}.{firstname2,1}.{lastname-1}@$domain" "{firstname1}.{lastname-1}2@$domain" ) } Write-Host -ForegroundColor Green " [Created]" } else { Write-Host -ForegroundColor Green " [Already exists]" } $groups += $group } Write-Host "Creating administrative unit for Bytt.Email..." -NoNewline $adminUnitName = "Bytt.Email2" $adminUnit = Get-MgDirectoryAdministrativeUnit -Filter "displayName eq '$adminUnitName'" -ErrorAction SilentlyContinue $membershipRule = "user.memberof -any (group.objectId -in ['$($groups.Id -join "','")'])" if (!$adminUnit) { $params = @{ displayName = $adminUnitName description = "Used for delegating the Bytt.Email application permissions to read users and groups" membershipType = "Dynamic" membershipRule = $membershipRule membershipRuleProcessingState = "On" visibility = "HiddenMembership" } $AU = New-MgDirectoryAdministrativeUnit -DisplayName $params.displayName -Description $params.description -MembershipType $params.membershipType -MembershipRule $params.membershipRule -MembershipRuleProcessingState $params.membershipRuleProcessingState -Visibility $params.visibility Write-Host -ForegroundColor Green " [Created ($($AU.Id))]" } else { Write-Host -ForegroundColor Green " [Already exists]" if ($adminUnit.MembershipRule -ne $membershipRule) { Write-Warning "The $($adminUnitName) administrative unit exists, but the membership rule is different than expected. However, we will not update it automatically to avoid removing any existing members. Please review and update the membership rule manually if needed. The expected rule is: `n`n$membershipRule`n" } } Write-Host "Granting the Bytt.Email servicePrincipal access to the Bytt.Email administrative unit..." -NoNewline $roleTemplateId = "fe930be7-5e62-47db-91af-98c3a49a38b1" # User Administrator $role = Get-MgDirectoryRole | Where-Object roleTemplateId -eq $roleTemplateId $roleAssignments = Get-MgDirectoryAdministrativeUnitScopedRoleMember -AdministrativeUnitId $adminUnit.Id $match = $roleAssignments | Where-Object { $_.RoleId -eq $role.Id -and $_.RoleMemberInfo.Id -eq $byttEmailApp.Id } if (!$match) { $params = @{ roleId = $role.Id roleMemberInfo = @{ id = $byttEmailApp.Id } } New-MgDirectoryAdministrativeUnitScopedRoleMember -AdministrativeUnitId $adminUnit.Id -BodyParameter $params | Out-Null Write-Host -ForegroundColor Green " [Added]" } else { Write-Host -ForegroundColor Green " [OK]" } } } |