Exch-Rest

3.50.0

internal/functions/oauth/Show-EXROAuthWindow.ps1

                                function Show-OAuthWindow {

    [CmdletBinding()]

    param (

        [System.Uri]

        $Url

    )

    ## Start Code Attribution

    ## Show-AuthWindow function is the work of the following Authors and should remain with the function if copied into other scripts

    ## https://foxdeploy.com/2015/11/02/using-powershell-and-oauth/

    ## https://blogs.technet.microsoft.com/ronba/2016/05/09/using-powershell-and-the-office-365-rest-api-with-oauth/

    ## End Code Attribution

    Add-Type -AssemblyName System.Web

    Add-Type -AssemblyName System.Windows.Forms

    $form = New-Object -TypeName System.Windows.Forms.Form -Property @{ Width = 440; Height = 640 }

    $web = New-Object -TypeName System.Windows.Forms.WebBrowser -Property @{ Width = 420; Height = 600; Url = ($url) }

    $Navigated = {

    $formElements = $web.Document.GetElementsByTagName("input");  

        foreach($element in $formElements){

        if($element.Name -eq "code"){

            $Script:oAuthCode = $element.GetAttribute("value");

            $form.Close();

        }

    }   

    }

    $web.ScriptErrorsSuppressed = $true

    $web.Add_Navigated($Navigated)

    $form.Controls.Add($web)

    $form.Add_Shown( { $form.Activate() })

    $form.ShowDialog() | Out-Null

    return $Script:oAuthCode

}