functions/other/Get-AccessTokenUserAndPass.ps1

function Get-AccessTokenUserAndPass
{
    param (
        [Parameter(Position = 0, Mandatory = $true)]
        [string]
        $MailboxName,
        
        [Parameter(Position = 1, Mandatory = $false)]
        [string]
        $ClientId,
        
        [Parameter(Position = 2, Mandatory = $false)]
        [string]
        $ResourceURL,
        
        [Parameter(Position = 3, Mandatory = $true)]
        [System.Management.Automation.PSCredential]
        $Credentials,
        
        [Parameter(Position = 4, Mandatory = $false)]
        [switch]
        $Beta
    )
    Begin
    {
        Add-Type -AssemblyName System.Web
        $HttpClient = Get-HTTPClient($MailboxName)
        $AppSetting = Get-AppSettings
        if ($ClientId -eq $null)
        {
            $ClientId = $AppSetting.ClientId
        }
        
        if ([String]::IsNullOrEmpty($ResourceURL))
        {
            $ResourceURL = $AppSetting.ResourceURL
        }
        $UserName = $Credentials.UserName.ToString()
        $password = $Credentials.GetNetworkCredential().password.ToString()
        $AuthorizationPostRequest = "resource=https%3A%2F%2F$ResourceURL&client_id=$ClientId&grant_type=password&username=$username&password=$password"
        $content = New-Object System.Net.Http.StringContent($AuthorizationPostRequest, [System.Text.Encoding]::UTF8, "application/x-www-form-urlencoded")
        $ClientReesult = $HttpClient.PostAsync([Uri]("https://login.windows.net/common/oauth2/token"), $content)
        $JsonObject = ConvertFrom-Json -InputObject $ClientReesult.Result.Content.ReadAsStringAsync().Result
        Add-Member -InputObject $JsonObject -NotePropertyName clientid -NotePropertyValue $ClientId
        if ([bool]($JsonObject.PSobject.Properties.name -match "refresh_token"))
        {
            $JsonObject.refresh_token = (Get-ProtectedToken -PlainToken $JsonObject.refresh_token)
        }
        if ([bool]($JsonObject.PSobject.Properties.name -match "access_token"))
        {
            $JsonObject.access_token = (Get-ProtectedToken -PlainToken $JsonObject.access_token)
        }
        if ($Beta.IsPresent)
        {
            Add-Member -InputObject $JsonObject -NotePropertyName Beta -NotePropertyValue True
        }
        if ([bool]($JsonObject.PSobject.Properties.name -match "id_token"))
        {
            $JsonObject.id_token = (Get-ProtectedToken -PlainToken $JsonObject.id_token)
        }
        #Add-Member -InputObject $JsonObject -NotePropertyName redirectUrl -NotePropertyValue $redirectUrl
        return $JsonObject
    }
}