EasyGraph

1.1.0

Private/Get-EasyGraphAuthTokenClientSecret.ps1

                                function Get-EasyGraphAuthTokenClientSecret {

    param()

    $AuthURI         = "https://login.microsoftonline.com/$($GraphConnection.TenantId)/oauth2/v2.0/token"

    $TokenRequestBody = @{

        client_id     = $GraphConnection.AppId

        client_secret = [System.Runtime.InteropServices.Marshal]::PtrToStringBSTR([System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($GraphConnection.ClientSecret))

        scope         = "https://graph.microsoft.com/.default"

        grant_type    = "client_credentials"

    }

    $tokenRequest = Invoke-RestMethod -Method Post -Uri $AuthURI -ContentType 'application/x-www-form-urlencoded' -Body $TokenRequestBody

    $GraphConnection.AccessToken = $tokenRequest.access_token

    $GraphConnection.Expires = ([DateTime]::UtcNow).AddSeconds($tokenRequest.expires_in)

}