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| CspNonceService | |
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| getNonce | |
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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace App\Shared\Security; |
| 6 | |
| 7 | use Exception; |
| 8 | |
| 9 | class CspNonceService |
| 10 | { |
| 11 | private ?string $nonce = null; |
| 12 | |
| 13 | /** |
| 14 | * Zwraca wygenerowany nonce dla obecnego żądania HTTP. |
| 15 | * Jeżeli nie istnieje, generuje go jednorazowo. |
| 16 | * |
| 17 | * @return string |
| 18 | * @throws Exception |
| 19 | */ |
| 20 | public function getNonce(): string |
| 21 | { |
| 22 | if ($this->nonce === null) { |
| 23 | $this->nonce = base64_encode(random_bytes(16)); |
| 24 | } |
| 25 | |
| 26 | return $this->nonce; |
| 27 | } |
| 28 | } |