CACHER UN LIEN DIRECT - GROK

HIDE COMPLETE URL discussion with GROK

<\?php
define("SITEDIRECTORY","./"); //selon votre serveur php et site

/*on peut recopier le dossier /mesfilestxt/ par ftp sur un autre
serveur2 et rediriger anonymement dans redirect.php 
https://serveur2/redirect.php?id=???? ce qui cachera IP source
du script ...  
*/

define("SOMEFILESDIR","./mesfilestxt/");
function createLink($url){
// create_link.php
$real_url = $url; // The URL you want to shorten
$timestamp = time(); // Unique ID based on current timestamp (e.g., 1743641234)
file_put_contents(SOMEFILESDIR.$timestamp.'.txt', $real_url); // Save the URL in a file named with the timestamp
//echo "Your short link: redirect.php?id=$timestamp";
return $timestamp;
}

if(isset($_POST['sbtbtn'],$_POST['urlsite']) && $_SERVER['REQUEST_METHOD'] === 'POST' ){
	$url=$_POST['urlsite'];
	$newlink=createLink($url);
	sleep(2);
	echo ''.SITEDIRECTORY.'redirect.php?id='.$newlink.'';
    /*<\iframe src="./redirect.php?id=1743585628">*/
	/*<\img src="./redirect.php?id=1743585628"> ...*/
}
?>

<form action="index.php" method="post">
  <label for="urldusite">Url du site, page à dissimuler:</label><br />
  <input size="100" type="url" id="urlsite" name="urlsite" required><br />
  <br /><button name="sbtbtn" type="submit">Envoyer</button>
</form>

<\?php
define("SOMEFILESDIR","./mesfilestxt/");
// redirect.php
if (isset($_GET['id'])) {

$id = $_GET['id'];

	// Ensure ID is numeric (prevents directory traversal or invalid filenames)
	if (!is_numeric($id) || $id < 0){
	http_response_code(400); // Bad request
	echo "Invalid ID!";
	exit;
	}

	if(isset($id)){
		$filename = "$id.txt";
		// Check if file exists and is readable
		if (file_exists(SOMEFILESDIR.$filename) && is_readable(SOMEFILESDIR.$filename)) {
		$link = trim(file_get_contents(SOMEFILESDIR.$filename)); // Remove any whitespace from the URL
		// Basic URL validation (optional, but good for production)
				if (filter_var($link, FILTER_VALIDATE_URL)) {
				header("Location: $link");
				exit;
				} else {
				http_response_code(500); // Server error
				echo "Invalid URL stored!";
				exit;
				}
		} else {
		http_response_code(404); // Not found
		echo "Link not found!";
		exit;
		}
	} else {
	http_response_code(400); // Bad request
	echo "No ID provided!";
	exit;
	}

}
?>