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<?php
Prado::using('System.Security.TSecurityManager');
PRado::using('System.Xml.TXmlDocument');
class SecurityManager extends TSecurityManager {
private $_configFile;
private $_validationKey;
private $_encryptionKey;
public function setConfigFile($path) {
$this->_configFile = Prado::getPathOfNamespace($path, '.xml');
$this->_restoreKeys();
}
public function getValidationKey() {
if (!$this->_configFile) {
return parent::getValidationKey();
}
if (!$this->_validationKey) {
$this->_storeKeys($this->_encryptionKey, $this->generateRandomKey());
}
return $this->_validationKey;
}
public function setValidationKey($key) {
parent::setValidationKey($key);
if ($this->_configFile) {
$this->_storeKeys($this->_encryptionKey, $key);
}
}
public function getEncryptionKey() {
if (!$this->_configFile) {
return parent::getEncryptionKey();
}
if (!$this->_encryptionKey) {
$this->_storeKeys($this->generateRandomKey(), $this->_validationKey);
}
return $this->_encryptionKey;
}
public function setEncryptionKey($key) {
parent::setEncryptionKey($key);
if ($this->_configFile) {
$this->_storeKeys($key, $this->_validationKey);
}
}
private function _restoreKeys() {
if ($this->_configFile) {
try {
$xml = new TXmlDocument();
$xml->loadFromFile($this->_configFile);
foreach ($xml->getELementsByTagName('key') as $key) {
$this->{'_' . $key->Attributes['for'] . 'Key'} = $key->Value;
}
} catch (TIOException $e) {}
}
}
private function _storeKeys($encryptionKey, $validationKey) {
$this->_encryptionKey = $encryptionKey;
$this->_validationKey = $validationKey;
if ($this->_configFile) {
$xml = new TXmlDocument();
$xml->TagName = 'keys';
$encElement = new TXmlElement('key');
$encElement->Attributes['for'] = 'encryption';
$encElement->Value = $this->_encryptionKey;
$xml->Elements[] = $encElement;
$valElement = new TXmlElement('key');
$valElement->Attributes['for'] = 'validation';
$valElement->Value = $this->_validationKey;
$xml->Elements[] = $valElement;
@chmod($this->_configFile, 0600);
$xml->saveToFile($this->_configFile);
chmod($this->_configFile, 0400);
}
}
}
?>
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