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redirect.php
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redirect.php
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<?php
//=========================================================================
// SIGNATURE REDIRECT FOR FORUM-SIGNATURE
//=========================================================================
include "images.php";
// If the HTTP_REFERER was missing, the system will use the $defaultReferer hash instead.
$defaultReferer = md5("default-referer");
$hashedReferer = md5($_SERVER["HTTP_REFERER"]) ?? $defaultReferer;
$requiredHash = $_COOKIE[$hashedReferer] ?? null;
// When the system finds the correct short name, it will redirect to the corresponding URL.
foreach ($_IMAGES as &$_IMAGE) {
$hashedName = md5($_IMAGE["SHORT_NAME"]);
if ($hashedName == $requiredHash) {
header("Location: " . $_IMAGE["FORWARD_URL"], true, 302);
exit();
}
}
// If the requested short name not exist, the system will reject the request.
header($_SERVER["SERVER_PROTOCOL"] . " 400 Bad Request");
echo "<h1>400 Bad Request</h1>";
?>