/home/desid573/book.familycab.com.au/pdd/lib/Cake/Controller/Component
Edit: /home/desid573/book.familycab.com.au/pdd/lib/Cake/Controller/Component/SecurityComponent.php (18320B)
request = $controller->request;
$this->_action = $this->request->params['action'];
$this->_methodsRequired($controller);
$this->_secureRequired($controller);
$this->_authRequired($controller);
$isPost = $this->request->is(array('post', 'put'));
$isNotRequestAction = (
!isset($controller->request->params['requested']) ||
$controller->request->params['requested'] != 1
);
if ($this->_action === $this->blackHoleCallback) {
return $this->blackHole($controller, 'auth');
}
if (!in_array($this->_action, (array)$this->unlockedActions) && $isPost && $isNotRequestAction) {
if ($this->validatePost && $this->_validatePost($controller) === false) {
return $this->blackHole($controller, 'auth');
}
if ($this->csrfCheck && $this->_validateCsrf($controller) === false) {
return $this->blackHole($controller, 'csrf');
}
}
$this->generateToken($controller->request);
if ($isPost && is_array($controller->request->data)) {
unset($controller->request->data['_Token']);
}
}
/**
* Sets the actions that require a POST request, or empty for all actions
*
* @return void
* @deprecated 3.0.0 Use CakeRequest::onlyAllow() instead.
* @link http://book.cakephp.org/2.0/en/core-libraries/components/security-component.html#SecurityComponent::requirePost
*/
public function requirePost() {
$args = func_get_args();
$this->_requireMethod('Post', $args);
}
/**
* Sets the actions that require a GET request, or empty for all actions
*
* @deprecated 3.0.0 Use CakeRequest::onlyAllow() instead.
* @return void
*/
public function requireGet() {
$args = func_get_args();
$this->_requireMethod('Get', $args);
}
/**
* Sets the actions that require a PUT request, or empty for all actions
*
* @deprecated 3.0.0 Use CakeRequest::onlyAllow() instead.
* @return void
*/
public function requirePut() {
$args = func_get_args();
$this->_requireMethod('Put', $args);
}
/**
* Sets the actions that require a DELETE request, or empty for all actions
*
* @deprecated 3.0.0 Use CakeRequest::onlyAllow() instead.
* @return void
*/
public function requireDelete() {
$args = func_get_args();
$this->_requireMethod('Delete', $args);
}
/**
* Sets the actions that require a request that is SSL-secured, or empty for all actions
*
* @return void
* @link http://book.cakephp.org/2.0/en/core-libraries/components/security-component.html#SecurityComponent::requireSecure
*/
public function requireSecure() {
$args = func_get_args();
$this->_requireMethod('Secure', $args);
}
/**
* Sets the actions that require whitelisted form submissions.
*
* Adding actions with this method will enforce the restrictions
* set in SecurityComponent::$allowedControllers and
* SecurityComponent::$allowedActions.
*
* @return void
* @link http://book.cakephp.org/2.0/en/core-libraries/components/security-component.html#SecurityComponent::requireAuth
*/
public function requireAuth() {
$args = func_get_args();
$this->_requireMethod('Auth', $args);
}
/**
* Black-hole an invalid request with a 400 error or custom callback. If SecurityComponent::$blackHoleCallback
* is specified, it will use this callback by executing the method indicated in $error
*
* @param Controller $controller Instantiating controller
* @param string $error Error method
* @return mixed If specified, controller blackHoleCallback's response, or no return otherwise
* @see SecurityComponent::$blackHoleCallback
* @link http://book.cakephp.org/2.0/en/core-libraries/components/security-component.html#handling-blackhole-callbacks
* @throws BadRequestException
*/
public function blackHole(Controller $controller, $error = '') {
if (!$this->blackHoleCallback) {
throw new BadRequestException(__d('cake_dev', 'The request has been black-holed'));
}
return $this->_callback($controller, $this->blackHoleCallback, array($error));
}
/**
* Sets the actions that require a $method HTTP request, or empty for all actions
*
* @param string $method The HTTP method to assign controller actions to
* @param array $actions Controller actions to set the required HTTP method to.
* @return void
*/
protected function _requireMethod($method, $actions = array()) {
if (isset($actions[0]) && is_array($actions[0])) {
$actions = $actions[0];
}
$this->{'require' . $method} = (empty($actions)) ? array('*') : $actions;
}
/**
* Check if HTTP methods are required
*
* @param Controller $controller Instantiating controller
* @return bool True if $method is required
*/
protected function _methodsRequired(Controller $controller) {
foreach (array('Post', 'Get', 'Put', 'Delete') as $method) {
$property = 'require' . $method;
if (is_array($this->$property) && !empty($this->$property)) {
$require = $this->$property;
if (in_array($this->_action, $require) || $this->$property === array('*')) {
if (!$this->request->is($method)) {
if (!$this->blackHole($controller, $method)) {
return false;
}
}
}
}
}
return true;
}
/**
* Check if access requires secure connection
*
* @param Controller $controller Instantiating controller
* @return bool True if secure connection required
*/
protected function _secureRequired(Controller $controller) {
if (is_array($this->requireSecure) && !empty($this->requireSecure)) {
$requireSecure = $this->requireSecure;
if (in_array($this->_action, $requireSecure) || $this->requireSecure === array('*')) {
if (!$this->request->is('ssl')) {
if (!$this->blackHole($controller, 'secure')) {
return false;
}
}
}
}
return true;
}
/**
* Check if authentication is required
*
* @param Controller $controller Instantiating controller
* @return bool|null True if authentication required
*/
protected function _authRequired(Controller $controller) {
if (is_array($this->requireAuth) && !empty($this->requireAuth) && !empty($this->request->data)) {
$requireAuth = $this->requireAuth;
if (in_array($this->request->params['action'], $requireAuth) || $this->requireAuth === array('*')) {
if (!isset($controller->request->data['_Token'])) {
if (!$this->blackHole($controller, 'auth')) {
return null;
}
}
if ($this->Session->check('_Token')) {
$tData = $this->Session->read('_Token');
if (!empty($tData['allowedControllers']) &&
!in_array($this->request->params['controller'], $tData['allowedControllers']) ||
!empty($tData['allowedActions']) &&
!in_array($this->request->params['action'], $tData['allowedActions'])
) {
if (!$this->blackHole($controller, 'auth')) {
return null;
}
}
} else {
if (!$this->blackHole($controller, 'auth')) {
return null;
}
}
}
}
return true;
}
/**
* Validate submitted form
*
* @param Controller $controller Instantiating controller
* @return bool true if submitted form is valid
*/
protected function _validatePost(Controller $controller) {
if (empty($controller->request->data)) {
return true;
}
$data = $controller->request->data;
if (!isset($data['_Token']) || !isset($data['_Token']['fields']) || !isset($data['_Token']['unlocked'])) {
return false;
}
$locked = '';
$check = $controller->request->data;
$token = urldecode($check['_Token']['fields']);
$unlocked = urldecode($check['_Token']['unlocked']);
if (strpos($token, ':')) {
list($token, $locked) = explode(':', $token, 2);
}
unset($check['_Token']);
$locked = explode('|', $locked);
$unlocked = explode('|', $unlocked);
$lockedFields = array();
$fields = Hash::flatten($check);
$fieldList = array_keys($fields);
$multi = array();
foreach ($fieldList as $i => $key) {
if (preg_match('/(\.\d+){1,10}$/', $key)) {
$multi[$i] = preg_replace('/(\.\d+){1,10}$/', '', $key);
unset($fieldList[$i]);
}
}
if (!empty($multi)) {
$fieldList += array_unique($multi);
}
$unlockedFields = array_unique(
array_merge((array)$this->disabledFields, (array)$this->unlockedFields, $unlocked)
);
foreach ($fieldList as $i => $key) {
$isLocked = (is_array($locked) && in_array($key, $locked));
if (!empty($unlockedFields)) {
foreach ($unlockedFields as $off) {
$off = explode('.', $off);
$field = array_values(array_intersect(explode('.', $key), $off));
$isUnlocked = ($field === $off);
if ($isUnlocked) {
break;
}
}
}
if ($isUnlocked || $isLocked) {
unset($fieldList[$i]);
if ($isLocked) {
$lockedFields[$key] = $fields[$key];
}
}
}
sort($unlocked, SORT_STRING);
sort($fieldList, SORT_STRING);
ksort($lockedFields, SORT_STRING);
$fieldList += $lockedFields;
$unlocked = implode('|', $unlocked);
$hashParts = array(
$this->request->here(),
serialize($fieldList),
$unlocked,
Configure::read('Security.salt')
);
$check = Security::hash(implode('', $hashParts), 'sha1');
return ($token === $check);
}
/**
* Manually add CSRF token information into the provided request object.
*
* @param CakeRequest $request The request object to add into.
* @return bool
*/
public function generateToken(CakeRequest $request) {
if (isset($request->params['requested']) && $request->params['requested'] === 1) {
if ($this->Session->check('_Token')) {
$request->params['_Token'] = $this->Session->read('_Token');
}
return false;
}
$authKey = Security::generateAuthKey();
$token = array(
'key' => $authKey,
'allowedControllers' => $this->allowedControllers,
'allowedActions' => $this->allowedActions,
'unlockedFields' => array_merge($this->disabledFields, $this->unlockedFields),
'csrfTokens' => array()
);
$tokenData = array();
if ($this->Session->check('_Token')) {
$tokenData = $this->Session->read('_Token');
if (!empty($tokenData['csrfTokens']) && is_array($tokenData['csrfTokens'])) {
$token['csrfTokens'] = $this->_expireTokens($tokenData['csrfTokens']);
}
}
if ($this->csrfUseOnce || empty($token['csrfTokens'])) {
$token['csrfTokens'][$authKey] = strtotime($this->csrfExpires);
}
if (!$this->csrfUseOnce) {
$csrfTokens = array_keys($token['csrfTokens']);
$authKey = $csrfTokens[0];
$token['key'] = $authKey;
$token['csrfTokens'][$authKey] = strtotime($this->csrfExpires);
}
$this->Session->write('_Token', $token);
$request->params['_Token'] = array(
'key' => $token['key'],
'unlockedFields' => $token['unlockedFields']
);
return true;
}
/**
* Validate that the controller has a CSRF token in the POST data
* and that the token is legit/not expired. If the token is valid
* it will be removed from the list of valid tokens.
*
* @param Controller $controller A controller to check
* @return bool Valid csrf token.
*/
protected function _validateCsrf(Controller $controller) {
$token = $this->Session->read('_Token');
$requestToken = $controller->request->data('_Token.key');
if (isset($token['csrfTokens'][$requestToken]) && $token['csrfTokens'][$requestToken] >= time()) {
if ($this->csrfUseOnce) {
$this->Session->delete('_Token.csrfTokens.' . $requestToken);
}
return true;
}
return false;
}
/**
* Expire CSRF nonces and remove them from the valid tokens.
* Uses a simple timeout to expire the tokens.
*
* @param array $tokens An array of nonce => expires.
* @return array An array of nonce => expires.
*/
protected function _expireTokens($tokens) {
$now = time();
foreach ($tokens as $nonce => $expires) {
if ($expires < $now) {
unset($tokens[$nonce]);
}
}
$overflow = count($tokens) - $this->csrfLimit;
if ($overflow > 0) {
$tokens = array_slice($tokens, $overflow + 1, null, true);
}
return $tokens;
}
/**
* Calls a controller callback method
*
* @param Controller $controller Controller to run callback on
* @param string $method Method to execute
* @param array $params Parameters to send to method
* @return mixed Controller callback method's response
* @throws BadRequestException When a the blackholeCallback is not callable.
*/
protected function _callback(Controller $controller, $method, $params = array()) {
if (!is_callable(array($controller, $method))) {
throw new BadRequestException(__d('cake_dev', 'The request has been black-holed'));
}
return call_user_func_array(array(&$controller, $method), empty($params) ? null : $params);
}
}