MSGraph

1.0.0

internal/functions/Show-OAuthWindow.ps1

function Show-OAuthWindow
{
<#
    .SYNOPSIS
        Generates a OAuth window for interactive authentication.
     
    .DESCRIPTION
        Generates a OAuth window for interactive authentication.
     
    .PARAMETER Url
        The url to the service offering authentication.
     
    .EXAMPLE
        PS C:\> Show-OAuthWindow -Url $uri
     
        Opens an authentication window to authenticate against the service pointed at in $uri
#>
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [System.Uri]
        $Url
    )
    
    begin
    {
        $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) }
        $docComp = {
            if ($web.Url.AbsoluteUri -match "error=[^&]*|code=[^&]*") { $form.Close() }
        }
        $web.ScriptErrorsSuppressed = $true
        $web.Add_DocumentCompleted($docComp)
        $form.Controls.Add($web)
        $form.Add_Shown({ $form.Activate() })
    }
    process
    {
        $null = $form.ShowDialog()
    }
    end
    {
        $queryOutput = [System.Web.HttpUtility]::ParseQueryString($web.Url.Query)
        $output = @{ }
        foreach ($key in $queryOutput.Keys)
        {
            $output["$key"] = $queryOutput[$key]
        }
        [pscustomobject]$output
    }
}