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<?php
include_once("oracles/base.php");
class encoder extends oracle {
public $info = [
"name" => "text encoder/hasher"
];
private $special_types = [
"rot13",
"base64"
];
public function check_query($q) {
$types = array_merge($this->special_types, hash_algos());
foreach ($types as $type) {
$type .= " ";
if (str_starts_with($q, $type)) {
return true;
}
}
return false;
}
public function generate_response($q)
{
$type = explode(" ", $q)[0];
$victim = substr($q, strlen($type)+1);
if (in_array($type, hash_algos())) {
return [$type." hash" => hash($type, $victim)];
}
switch ($type) {
case "rot13":
return ["rot13 encoded" => str_rot13($victim)];
case "base64":
return [
"base64 encoded" => base64_encode($victim),
"base64 decoded" => base64_decode($victim)
];
}
return "";
}
}
?>
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