DSCResources/MSFT_EXOIntraOrganizationConnector/MSFT_EXOIntraOrganizationConnector.psm1

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function Get-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.Collections.Hashtable])]
    param
    (
        [Parameter(Mandatory = $true)]
        [System.String]
        $Identity,

        [Parameter()]
        [System.String]
        $DiscoveryEndpoint,

        [Parameter()]
        [System.Boolean]
        $Enabled,

        [Parameter()]
        [System.String[]]
        $TargetAddressDomains = @(),

        [Parameter()]
        [ValidateSet("Present", "Absent")]
        [System.String]
        $Ensure = "Present",

        [Parameter(Mandatory = $true)]
        [System.Management.Automation.PSCredential]
        $GlobalAdminAccount
    )

    Write-Verbose -Message "Getting configuration of IntraOrganizationConnector for $($Identity)"

    Test-MSCloudLogin -CloudCredential $GlobalAdminAccount `
        -Platform ExchangeOnline

    $IntraOrganizationConnectors = Get-IntraOrganizationConnector

    $IntraOrganizationConnector = $IntraOrganizationConnectors | Where-Object -FilterScript { $_.Identity -eq $Identity }
    if ($null -eq $IntraOrganizationConnector)
    {
        Write-Verbose -Message "IntraOrganizationConnector $($Identity) does not exist."
        $result = $PSBoundParameters
        $result.Ensure = 'Absent'
        return $result
    }
    else
    {
        $result = @{
            Identity             = $Identity
            DiscoveryEndpoint    = $IntraOrganizationConnector.DiscoveryEndpoint.ToString()
            Enabled              = $IntraOrganizationConnector.Enabled
            TargetAddressDomains = $IntraOrganizationConnector.TargetAddressDomains
            GlobalAdminAccount   = $GlobalAdminAccount
            Ensure               = 'Present'
        }

        Write-Verbose -Message "Found IntraOrganizationConnector $($Identity)"
        Write-Verbose -Message "Get-TargetResource Result: `n $(Convert-M365DscHashtableToString -Hashtable $result)"
        return $result
    }
}
function Set-TargetResource
{
    [CmdletBinding()]

    param
    (
        [Parameter(Mandatory = $true)]
        [System.String]
        $Identity,

        [Parameter()]
        [System.String]
        $DiscoveryEndpoint,

        [Parameter()]
        [System.Boolean]
        $Enabled,

        [Parameter()]
        [System.String[]]
        $TargetAddressDomains = @(),

        [Parameter()]
        [ValidateSet("Present", "Absent")]
        [System.String]
        $Ensure = "Present",

        [Parameter(Mandatory = $true)]
        [System.Management.Automation.PSCredential]
        $GlobalAdminAccount
    )

    Write-Verbose -Message "Setting configuration of IntraOrganizationConnector for $($Identity)"

    Test-MSCloudLogin -CloudCredential $GlobalAdminAccount `
        -Platform ExchangeOnline

    $IntraOrganizationConnectors = Get-IntraOrganizationConnector
    $IntraOrganizationConnector = $IntraOrganizationConnectors | Where-Object -FilterScript { $_.Identity -eq $Identity }
    $IntraOrganizationConnectorParams = $PSBoundParameters
    $IntraOrganizationConnectorParams.Remove('Ensure') | Out-Null
    $IntraOrganizationConnectorParams.Remove('GlobalAdminAccount') | Out-Null

    if (('Present' -eq $Ensure ) -and ($null -eq $IntraOrganizationConnector))
    {
        Write-Verbose -Message "Creating IntraOrganizationConnector $($Identity)."
        $IntraOrganizationConnectorParams.Add("Name", $Identity)
        $IntraOrganizationConnectorParams.Remove('Identity') | Out-Null
        New-IntraOrganizationConnector @IntraOrganizationConnectorParams
    }
    elseif (('Present' -eq $Ensure ) -and ($Null -ne $IntraOrganizationConnector))
    {
        Write-Verbose -Message "Setting IntraOrganizationConnector $($Identity) with values: $(Convert-M365DscHashtableToString -Hashtable $IntraOrganizationConnectorParams)"
        Set-IntraOrganizationConnector @IntraOrganizationConnectorParams -Confirm:$false
    }
    elseif (('Absent' -eq $Ensure ) -and ($null -ne $IntraOrganizationConnector))
    {
        Write-Verbose -Message "Removing IntraOrganizationConnector $($Identity)"
        Remove-IntraOrganizationConnector -Identity $Identity -Confirm:$false
    }
}

function Test-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.Boolean])]
    param
    (
        [Parameter(Mandatory = $true)]
        [System.String]
        $Identity,

        [Parameter()]
        [System.String]
        $DiscoveryEndpoint,

        [Parameter()]
        [System.Boolean]
        $Enabled,

        [Parameter()]
        [System.String[]]
        $TargetAddressDomains = @(),

        [Parameter()]
        [ValidateSet("Present", "Absent")]
        [System.String]
        $Ensure = "Present",

        [Parameter(Mandatory = $true)]
        [System.Management.Automation.PSCredential]
        $GlobalAdminAccount

    )

    Write-Verbose -Message "Testing configuration of IntraOrganizationConnector 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
    $ValuesToCheck.Remove('GlobalAdminAccount') | Out-Null

    $TestResult = Test-Microsoft365DSCParameterState -CurrentValues $CurrentValues `
        -DesiredValues $PSBoundParameters `
        -ValuesToCheck $ValuesToCheck.Keys

    Write-Verbose -Message "Test-TargetResource returned $($TestResult)"

    return $TestResult
}

function Export-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.String])]
    param
    (
        [Parameter(Mandatory = $true)]
        [System.Management.Automation.PSCredential]
        $GlobalAdminAccount
    )

    $InformationPreference = "Continue"
    Test-MSCloudLogin -CloudCredential $GlobalAdminAccount `
        -Platform ExchangeOnline `
        -ErrorAction SilentlyContinue

    [array]$IntraOrganizationConnectors = Get-IntraOrganizationConnector
    $content = ""
    $i = 1
    foreach ($IntraOrganizationConnector in $IntraOrganizationConnectors)
    {
        Write-Information " [$i/$($IntraOrganizationConnectors.length)] $($IntraOrganizationConnector.Identity)"

        $Params = @{
            Identity           = $IntraOrganizationConnector.Identity
            GlobalAdminAccount = $GlobalAdminAccount
        }

        $result = Get-TargetResource @Params
        $result.GlobalAdminAccount = Resolve-Credentials -UserName "globaladmin"
        $content += " EXOIntraOrganizationConnector " + (New-GUID).ToString() + "`r`n"
        $content += " {`r`n"
        $currentDSCBlock = Get-DSCBlock -Params $result -ModulePath $PSScriptRoot
        $content += Convert-DSCStringParamToVariable -DSCBlock $currentDSCBlock -ParameterName "GlobalAdminAccount"
        $content += " }`r`n"
        $i++
    }
    return $content
}
Export-ModuleMember -Function *-TargetResource