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Mini Shell
Mini Shell
<?php
/**
* Action page class
*
* @package Duplicator
* @copyright (c) 2021, Snapcreek LLC
*
*/
namespace Duplicator\Core\Controllers;
use Duplicator\Libs\Snap\SnapLog;
use Duplicator\Libs\Snap\SnapUtil;
class PageAction
{
/**
*
* @var string
*/
protected $key;
/**
*
* @var callable
*/
protected $callback;
/**
*
* @var [string]
*/
protected $menuSlugs = array();
/**
* Class constructor
*
* @param string $key action key
* @param callable $callback action callback
* @param string[] $menuSlugs page where the action is active
*/
public function __construct($key, $callback, $menuSlugs = array())
{
if (strlen($key) == 0) {
throw new \Exception('action key can\'t be empty');
}
if (!is_callable($callback)) {
throw new \Exception('action callback have to be callable function');
}
$this->key = $key;
$this->callback = $callback;
$this->menuSlugs = $menuSlugs;
}
/**
*
* @return string
*/
public function getKey()
{
return $this->key;
}
/**
* Return action nonce key
*
* @return string
*/
public function getNonceKey()
{
$result = 'dup_nonce_';
foreach ($this->menuSlugs as $slug) {
$result .= $slug . '_';
}
return str_replace(array('-', '.', '\\', '/'), '_', $result . $this->key);
}
/**
* Creates a cryptographic token tied to a specific action, user, user session,
* and window of time.
*
* @return string The token.
*/
public function getNonce()
{
return wp_create_nonce($this->getNonceKey());
}
/**
* Get input hidden element with nonce action field
*
* @param bool $echo if true echo nonce field else return string
*
* @return string
*/
public function getActionNonceFileds($echo = true)
{
ob_start();
wp_nonce_field($this->getNonceKey());
echo '<input type="hidden" name="' . ControllersManager::QUERY_STRING_MENU_KEY_ACTION . '" value="' . $this->key . '" >';
if ($echo) {
ob_end_flush();
return '';
} else {
return ob_get_clean();
}
}
/**
* Return true if current page is the page of current action
*
* @param string[] $currentMenuSlugs Current page menu levels slugs
*
* @return boolean
*/
public function isPageOfCurrentAction($currentMenuSlugs)
{
foreach ($this->menuSlugs as $index => $slug) {
if (!isset($currentMenuSlugs[$index]) || $currentMenuSlugs[$index] != $slug) {
return false;
}
}
return true;
}
/**
* Return true if current action is called
*
* @param string[] $currentMenuSlugs Current page menu levels slugs
* @param string $action Action to check
*
* @return boolean
*/
public function isCurrentAction($currentMenuSlugs, $action)
{
if ($action !== $this->key) {
return false;
}
foreach ($this->menuSlugs as $index => $slug) {
if (!isset($currentMenuSlugs[$index]) || $currentMenuSlugs[$index] != $slug) {
return false;
}
}
return true;
}
/**
* Verify action nonce
* @see wp_verify_nonce wordpress function
*
* @return int|false 1 if the nonce is valid and generated between 0-12 hours ago,
* 2 if the nonce is valid and generated between 12-24 hours ago.
* False if the nonce is invalid.
*/
protected function verifyNonce()
{
$nonce = SnapUtil::filterInputDefaultSanitizeString(SnapUtil::INPUT_REQUEST, '_wpnonce', false);
return wp_verify_nonce($nonce, $this->getNonceKey());
}
/**
* Exect callback action
*
* @param array $resultData generic allaray where put addtional action data
*
* @return bool
*/
public function exec(&$resultData = array())
{
$result = true;
try {
if (!$this->verifyNonce()) {
throw new \Exception('Security issue on action ' . $this->key);
}
$funcResultData = call_user_func($this->callback);
$resultData = array_merge($resultData, $funcResultData);
} catch (\Exception $e) {
$resultData['actionsError'] = true;
$resultData['errorMessage'] .= '<b>' . $e->getMessage() . '</b><pre>' . SnapLog::getTextException($e, false) . '</pre>';
$result = false;
} catch (\Error $e) {
$resultData['actionsError'] = true;
$resultData['errorMessage'] .= '<b>' . $e->getMessage() . '</b><pre>' . SnapLog::getTextException($e, false) . '</pre>';
$result = false;
}
return $result;
}
}
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