/**
* @return Forms
*/
public function forms() : Forms
{
if (!isset($this->forms)) {
$this->forms = new Forms($this->sessionBag->getBag("Forms"));
}
return $this->forms;
}
/**
* @param \string[] ...$keys
* @return Obfuscator
*/
public function setFields(string ...$keys) : self
{
$keysCount = count($keys);
$bitsCount = $keysCount * (self::OBFUSCATE_KEY_SIZE * 4);
// Get cryptographically secure random bytes
$bytes = Security::randomKey($bitsCount);
$bytes = str_split($bytes, self::OBFUSCATE_KEY_SIZE);
// Make sure there are no duplicates some how
if (count($bytes) !== count(array_unique($bytes))) {
// Repeating key detected, retry
return call_user_func_array([$this, "setFields"], $keys);
}
// Iterate through keys
$count = 0;
foreach ($keys as $key) {
$this->obfuscated[$key] = $bytes[$count];
$count++;
}
// Save hash
$this->hash = hash("sha1", implode(":", array_keys($this->obfuscated)));
// Save to session?
if (isset($this->sessionBag)) {
$this->sessionBag->getBag($this->name)->set("hash", $this->hash)->set("fields", $this->obfuscated);
}
// Chain
return $this;
}
/**
* @param string $name
* @return Retriever
*/
public function retrieve(string $name) : Retriever
{
$obfuscated = [];
// Check if form was saved in session
if ($this->sessionBag->hasBag($name)) {
// Retrieve from session
$obfuscated = $this->sessionBag->getBag($name)->get("fields");
// Make sure $obfuscated is an Array
if (!is_array($obfuscated)) {
$obfuscated = [];
$this->sessionBag->removeBag($name);
}
}
$retriever = new Retriever($name, $obfuscated);
return $retriever;
}
