Posh365

0.9.116

Private/Migration/CloudData/Invoke-GetCloudData.ps1

function Invoke-GetCloudData {
    [CmdletBinding()]
    param (
        [Parameter()]
        $ResultSize = 'Unlimited',

        [Parameter()]
        [ValidateSet('Mailboxes', 'MailUsers', 'AzureADUsers')]
        $Type,

        [Parameter()]
        [ValidateNotNullOrEmpty()]
        $InitialDomain
    )
    if ($Type -eq 'Mailboxes') {
        $MailboxList = Get-Mailbox -Filter "IsDirSynced -eq '$false'" -RecipientTypeDetails UserMailbox, SharedMailbox, RoomMailbox, EquipmentMailbox -ResultSize $ResultSize
        $MailboxList | Select-Object @(
            'DisplayName'
            'Name'
            @{
                Name       = 'Type'
                Expression = { 'Recipient' }
            }
            'RecipientType'
            'RecipientTypeDetails'
            'UserPrincipalName'
            'ExternalEmailAddress'
            'Alias'
            'PrimarySmtpAddress'
            'ExchangeGuid'
            'ArchiveGuid'
            'LegacyExchangeDN'
            @{
                Name       = 'InitialAddress'
                Expression = { ($_.EmailAddresses -like "smtp:*@$InitialDomain")[0] -replace 'smtp:', '' }
            }
            @{
                Name       = 'EmailAddresses'
                Expression = { @($_.EmailAddresses) -notmatch "SPO:|SIP:" -join '|' }
            }
            'ExternalDirectoryObjectId'
        )
    }
    if ($Type -eq 'MailUsers') {
        $MailUserList = (Get-MailUser -Filter "IsDirSynced -eq '$false'" -ResultSize $ResultSize).where{ $_.UserPrincipalName -notlike "*#EXT#*" }
        $MailUserList | Select-Object @(
            'DisplayName'
            'Name'
            @{
                Name       = 'Type'
                Expression = { 'Recipient' }
            }
            'RecipientType'
            'RecipientTypeDetails'
            'UserPrincipalName'
            'ExternalEmailAddress'
            'Alias'
            'PrimarySmtpAddress'
            'ExchangeGuid'
            'ArchiveGuid'
            'LegacyExchangeDN'
            @{
                Name       = 'InitialAddress'
                Expression = {
                    if ($InitialAddress -eq ($_.EmailAddresses -like "smtp:*@$InitialDomain")[0] -replace 'smtp:', '') {
                        $InitialAddress
                    }
                    else {
                        '{0}@{1}' -f ($_.UserPrincipalName -split '@')[0], $InitialDomain
                    }
                }
            }
            @{
                Name       = 'EmailAddresses'
                Expression = { @($_.EmailAddresses) -notmatch "SPO:|SIP:" -join '|' }
            }
            'ExternalDirectoryObjectId'
        )
        $MailandMEU = [System.Collections.Generic.HashSet[string]]::new([StringComparer]::OrdinalIgnoreCase)
        foreach ($entry in @($MailUserList; $MailboxList)) {
            $null = $MailandMEU.Add($entry.UserPrincipalName)
        }
    }
    if ($Type -eq 'AzureADUsers') {
        Get-AzureADUser -All:$true | Where-Object { $_.DisplayName -ne 'On-Premises Directory Synchronization Service Account' -and
            -not $_.ImmutableId -and $_.UserPrincipalName -notlike "*#EXT#*" -and -not $MailandMEU.Contains($_.UserPrincipalName)
        } | Select-Object @(
            'DisplayName'
            @{
                Name       = 'Name'
                Expression = { '' }
            }
            @{
                Name       = 'Type'
                Expression = { 'AzureADUser' }
            }
            @{
                Name       = 'RecipientType'
                Expression = { '' }
            }
            @{
                Name       = 'RecipientTypeDetails'
                Expression = { '' }
            }
            'UserPrincipalName'
            'ExternalEmailAddress'
            @{
                Name       = 'Alias'
                Expression = { $_.MailNickName }
            }
            @{
                Name       = 'PrimarySmtpAddress'
                Expression = { (@($_.ProxyAddresses ) -cmatch 'SMTP:') -ne '' -join '|' }
            }
            @{
                Name       = 'ExchangeGuid'
                Expression = { '' }
            }
            @{
                Name       = 'ArchiveGuid'
                Expression = { '' }
            }
            @{
                Name       = 'LegacyExchangeDN'
                Expression = { '' }
            }
            @{
                Name       = 'InitialAddress'
                Expression = { ($_.ProxyAddresses -like "smtp:*@$InitialDomain")[0] -replace 'smtp:', '' }
            }
            @{
                Name       = 'EmailAddresses'
                Expression = { (@($_.ProxyAddresses) -notmatch "SPO:|SIP:") -ne '' -join '|' }
            }
            @{
                Name       = 'ExternalDirectoryObjectId'
                Expression = { $_.ObjectId }
            }
        )
    }
}