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<?php |
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/** |
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* Platine Framework |
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* |
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* Platine Framework is a lightweight, high-performance, simple and elegant PHP |
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* Web framework |
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* |
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* This content is released under the MIT License (MIT) |
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* |
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* Copyright (c) 2020 Platine Framework |
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* Copyright (c) 2015 - 2023 Paragon Initiative Enterprises |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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/** |
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* @file FeaturePermissionPolicy.php |
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* |
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* The Feature Security Policy class |
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* |
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* @package Platine\Framework\Security\Policy |
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* @author Platine Developers team |
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* @copyright Copyright (c) 2020 |
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* @license http://opensource.org/licenses/MIT MIT License |
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* @link https://www.platine-php.com |
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* @version 1.0.0 |
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* @filesource |
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*/ |
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declare(strict_types=1); |
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namespace Platine\Framework\Security\Policy; |
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/** |
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* @class FeaturePermissionPolicy |
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* @package Platine\Framework\Security\Policy |
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*/ |
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class FeaturePermissionPolicy extends AbstractPolicy |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function headers(): string |
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{ |
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$headers = []; |
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foreach ($this->configurations as $name => $config) { |
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if ($name === 'enable') { |
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continue; |
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} |
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$value = $this->directive($config); |
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$headers[] = sprintf('%s=%s', $name, $value); |
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} |
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return implode(', ', $headers); |
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} |
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/** |
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* Parse specific policy value |
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* @param array<string, mixed> $config |
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* @return string |
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*/ |
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public function directive(array $config): string |
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{ |
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if ($config['none'] ?? false) { |
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return '()'; |
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} elseif ($config['*'] ?? false) { |
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return '*'; |
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} |
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$origins = $this->origins($config['origins'] ?? []); |
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if ($config['self'] ?? false) { |
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array_unshift($origins, 'self'); |
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} |
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return sprintf('(%s)', implode(' ', $origins)); |
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} |
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/** |
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* Get valid origins |
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* @param array<string> $config |
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* @return array<string> |
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*/ |
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public function origins(array $origins): array |
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{ |
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// prevent user leave spaces by mistake |
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$cleanOrigins = array_map('trim', $origins); |
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$filters = filter_var_array($cleanOrigins, FILTER_VALIDATE_URL); |
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$values = array_filter($filters); |
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// ensure indexes are numerically |
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$urls = array_values($values); |
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return array_map(function (string $url) { |
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return sprintf('"%s"', $url); |
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}, $urls); |
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} |
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} |
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platine-php /
framework
