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<?php |
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/** |
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* This file is part of the Shieldon package. |
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* |
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* (c) Terry L. <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* php version 7.1.0 |
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* |
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* @category Web-security |
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* @package Shieldon |
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* @author Terry Lin <[email protected]> |
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* @copyright 2019 terrylinooo |
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* @license https://github.com/terrylinooo/shieldon/blob/2.x/LICENSE MIT |
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* @link https://github.com/terrylinooo/shieldon |
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* @see https://shieldon.io |
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*/ |
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declare(strict_types=1); |
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namespace Shieldon\Firewall\Panel; |
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use function count; |
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use function is_string; |
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/* |
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* Tradit for demonstration. |
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*/ |
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trait CsrfTrait |
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{ |
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/** |
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* See $this->csrf() |
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* |
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* @var array |
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*/ |
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protected $csrfField = []; |
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/** |
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* Most popular PHP framework has a built-in CSRF protection such as Laravel. |
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* We need to pass the CSRF token for our form actions. |
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* |
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* @param string|array ...$csrfparams The arguments. |
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* |
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* @return void |
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*/ |
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public function csrf(...$csrfparams): void |
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{ |
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$count = count($csrfparams); |
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if (1 === $count) { |
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foreach ($csrfparams as $key => $value) { |
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$this->csrfField[] = [ |
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'name' => $key, |
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'value' => $value, |
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]; |
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} |
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} elseif (2 === $count) { |
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if (!empty($csrfparams[0]) && is_string($csrfparams[0])) { |
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$csrfKey = $csrfparams[0]; |
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} |
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if (!empty($csrfparams[1]) && is_string($csrfparams[1])) { |
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$csrfValue = $csrfparams[1]; |
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} |
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if (!empty($csrfKey)) { |
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$this->csrfField[] = [ |
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'name' => $csrfKey, |
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'value' => $csrfValue, |
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]; |
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} |
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} |
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} |
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/** |
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* Output HTML input element with CSRF token. |
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* |
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* @return void |
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*/ |
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public function fieldCsrf(): void |
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{ |
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if (!empty($this->csrfField)) { |
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foreach ($this->csrfField as $value) { |
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echo '<input type="hidden" name="' . $value['name'] . '" value="' . $value['value'] . '" id="csrf-field">'; |
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} |
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} |
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} |
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} |
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terrylinooo /
shieldon
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