<?php

$invoiceId = $_GET['invoiceId'];
$format = $_GET['format'];
$filePath = __DIR__ . '/../modules/basic/upload/boletos/boleto-' . $invoiceId . '.' . $format;
if ( file_exists($filePath) )
{
    $boleto = file_get_contents($filePath);

    if ( $format == 'pdf' )
    {
        header('Content-Type: application/pdf');
    }

    echo $boleto;
    exit;
}