<?php
function generate_token($url,$expires=false){
    $token = "";
    $urlParsed = parse_url($url);
    $path = $urlParsed["path"];
    $expires =  $expires ? $expires : $expires = time() + 3600;
    $tokensList = array(
        array(
            "token" => "66a509ff-370b-47f8-954e-3955d6d22845",
            "url" => "cdn.topcine.tv"
        ),
        array(
            "token" => "66a509ff-370b-47f8-954e-3955d6d22845",
            "url" => "topcine.b-cdn.net"
        ),
        array(
            "token" => "99ca3eb5-11d7-43bb-bfd4-c0daba57e195",
            "url" => "cdn2.topcine.tv"
        ),
        array(
            "token" => "99ca3eb5-11d7-43bb-bfd4-c0daba57e195",
            "url" => "testhdx.b-cdn.net"
        )
    );

    foreach ($tokensList as $aux){
        if(strpos($urlParsed['host'], $aux['url']) !== false){
            $token = $aux['token'];
        }
    }
    //senão acghou um token, algo deu errado
    if($token == "") return $url;

    $hashableBase = $token.$path.$expires;

    $token = md5($hashableBase, true);
    $token = base64_encode($token);
    $token = strtr($token, '+/', '-_');
    $token = str_replace('=', '', $token);

    return "{$urlParsed['scheme']}://{$urlParsed['host']}{$path}?token={$token}&expires={$expires}";
}