Custom 'Connect-AzureAD'

Function Login-AzureAD()
{
    [CmdletBinding(PositionalBinding=$false)]
    param
    (
        [parameter(Mandatory=$false)]
        [guid] $TenantId = $tenId,

        [parameter(Mandatory=$false)]
        [guid] $ClientId = $cliid,

        [parameter(Mandatory=$false)]
        [string] $RedirectUri = $redUri
    )

    $url = "https://login.microsoftonline.com/{0}/oauth2/token" -f $TenantId
    $aadRes = 'https://graph.windows.net/'
    $grphRes = 'https://graph.microsoft.com/'

    $path = Resolve-Path -Path "$env:ProgramFiles\WindowsPowerShell\Modules\AzureAD*" -ErrorAction Stop
    $dll = Get-ChildItem -Path $path -Include Microsoft.IdentityModel.Clients.ActiveDirectory.dll -Recurse
    if (@($dll).Count -ne 1)
    {
        throw "Couldn't find the proper ActiveDirectory.dll!"
    }
    else
    {
        Import-Module $dll.PSPath -ErrorAction Stop -Global
    }

    $platform = New-Object Microsoft.IdentityModel.Clients.ActiveDirectory.PlatformParameters(
        [Microsoft.IdentityModel.Clients.ActiveDirectory.PromptBehavior]::Auto
    )

    $ErrorActionPreference = "Stop";
    $authContext = New-Object Microsoft.IdentityModel.Clients.ActiveDirectory.AuthenticationContext($url, $true)
    $task = $authContext.AcquireTokenAsync($aadRes, $ClientId, $RedirectUri, $platform)
    $task.Wait()

    if ($task.Status -ne "RanToCompletion")
    {
        return
    }
    $aadToken = $task.Result.AccessToken
    $userId = $task.Result.UserInfo.UniqueId
    $graphTask = $authContext.AcquireTokenSilentAsync($grphRes, $ClientId)
    $graphTask.Wait()
    if ($graphTask.Status -ne "RanToCompletion")
    {
        return
    }
    $graphToken = $graphTask.Result.AccessToken
    $graphToken | Set-Clipboard

    $manifest = Get-ChildItem -Path $dll.PSParentPath *.psd1 -File
    Import-Module $manifest.PSPath -ErrorAction Stop -Global

    Connect-AzureAD -TenantId $TenantId -AccountId $userId -AadAccessToken $aadToken -MsAccessToken $graphToken
}