php 突破防盗链

<?php
$url = 'https://example.com/protected-image.jpg';
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_REFERER, 'https://your-website.com');
$response = curl_exec($ch);
curl_close($ch);
header('Content-Type: image/jpeg');
echo $response;
?>

<?php
session_start();
if (empty($_SESSION['token'])) {
    $_SESSION['token'] = bin2hex(random_bytes(16));
}
$token = $_SESSION['token'];
$url = 'https://example.com/protected-image.jpg?token=' . $token;
?>
<img src="<?php echo $url; ?>" alt="Protected Image">

<?php
$url = 'https://example.com/protected-image.jpg';
$proxy = 'http://your-proxy-server:port';
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_PROXY, $proxy);
$response = curl_exec($ch);
curl_close($ch);
header('Content-Type: image/jpeg');
echo $response;
?>