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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** @license For full copyright and license information, please see the LICENSE.md file. */ |
| 6 | |
| 7 | namespace App\Shared\Infrastructure\Validation; |
| 8 | |
| 9 | defined('AMMONLY_APP') || exit('Direct script access is forbidden.'); |
| 10 | |
| 11 | use Psr\Http\Message\ServerRequestInterface; |
| 12 | use Yiisoft\Hydrator\Hydrator; |
| 13 | use Yiisoft\Hydrator\HydratorInterface; |
| 14 | use Yiisoft\Validator\Result; |
| 15 | use Yiisoft\Validator\Validator; |
| 16 | use Yiisoft\Validator\ValidatorInterface; |
| 17 | |
| 18 | /** |
| 19 | * Central Request Validation and Hydration Service. |
| 20 | * |
| 21 | * Unified system using Yii3 Hydrator & Validator to hydrate untrusted PSR-7 request |
| 22 | * payloads into strongly-typed DTOs and validate their rules. |
| 23 | * |
| 24 | * @package App\Shared\Infrastructure\Validation |
| 25 | */ |
| 26 | final readonly class RequestValidationService |
| 27 | { |
| 28 | private HydratorInterface $hydrator; |
| 29 | private ValidatorInterface $validator; |
| 30 | |
| 31 | /** |
| 32 | * RequestValidationService constructor. |
| 33 | * |
| 34 | * @param HydratorInterface|null $hydrator Yii3 Hydrator instance. |
| 35 | * @param ValidatorInterface|null $validator Yii3 Validator instance. |
| 36 | */ |
| 37 | public function __construct( |
| 38 | ?HydratorInterface $hydrator = null, |
| 39 | ?ValidatorInterface $validator = null |
| 40 | ) { |
| 41 | $this->hydrator = $hydrator ?? new Hydrator(); |
| 42 | $this->validator = $validator ?? new Validator(); |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * Hydrates PSR-7 request data into target DTO class and validates attribute rules. |
| 47 | * |
| 48 | * @template T of object |
| 49 | * @param ServerRequestInterface $request PSR-7 Server request. |
| 50 | * @param class-string<T> $targetClass Target DTO class name. |
| 51 | * @return ValidationResult<T> Validation result container. |
| 52 | */ |
| 53 | public function validateRequest(ServerRequestInterface $request, string $targetClass): ValidationResult |
| 54 | { |
| 55 | $rawParams = $this->extractParams($request); |
| 56 | /** @var T $dto */ |
| 57 | $dto = $this->hydrator->create($targetClass, $rawParams); |
| 58 | |
| 59 | $result = $this->validator->validate($dto); |
| 60 | if ($result->isValid()) { |
| 61 | return new ValidationResult(true, $dto, []); |
| 62 | } |
| 63 | |
| 64 | $formattedErrors = $this->formatErrors($result); |
| 65 | return new ValidationResult(false, $dto, $formattedErrors); |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Extracts raw parameters from PSR-7 request query, parsed body, or raw body JSON. |
| 70 | * |
| 71 | * @param ServerRequestInterface $request PSR-7 Server request. |
| 72 | * @return array<string, mixed> Unified raw input parameters array. |
| 73 | */ |
| 74 | private function extractParams(ServerRequestInterface $request): array |
| 75 | { |
| 76 | $queryParams = $request->getQueryParams(); |
| 77 | $parsedBody = (array)($request->getParsedBody() ?? []); |
| 78 | |
| 79 | if (empty($parsedBody) && $request->getMethod() === 'POST') { |
| 80 | $rawContent = (string)$request->getBody(); |
| 81 | /** @var array<string, mixed> $parsedBody */ |
| 82 | $parsedBody = json_decode($rawContent, true) ?? []; |
| 83 | if (empty($parsedBody) && $rawContent !== '') { |
| 84 | // @codeCoverageIgnoreStart |
| 85 | parse_str($rawContent, $parsedStr); |
| 86 | if (is_array($parsedStr)) { |
| 87 | // @codeCoverageIgnoreEnd |
| 88 | // @codeCoverageIgnoreStart |
| 89 | // @codeCoverageIgnoreEnd |
| 90 | /** @var array<string, mixed> $parsedBody */ |
| 91 | // @codeCoverageIgnoreStart |
| 92 | $parsedBody = $parsedStr; |
| 93 | // @codeCoverageIgnoreEnd |
| 94 | // @codeCoverageIgnoreStart |
| 95 | // @codeCoverageIgnoreEnd |
| 96 | } |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | $merged = array_merge($queryParams, $parsedBody); |
| 101 | |
| 102 | if (isset($merged['username']) && (!isset($merged['login']) || $merged['login'] === '')) { |
| 103 | $merged['login'] = (string)$merged['username']; |
| 104 | } |
| 105 | |
| 106 | /** @var array<string, mixed> $cleaned */ |
| 107 | $cleaned = []; |
| 108 | foreach ($merged as $k => $v) { |
| 109 | $cleaned[(string)$k] = is_string($v) ? trim($v) : $v; |
| 110 | } |
| 111 | |
| 112 | return $cleaned; |
| 113 | } |
| 114 | |
| 115 | /** |
| 116 | * Formats Yii3 Validator Result errors into array keyed by field name. |
| 117 | * |
| 118 | * @param Result $result Yii3 Validator Result object. |
| 119 | * @return array<string, array<int, string>> Formatted errors. |
| 120 | */ |
| 121 | private function formatErrors(Result $result): array |
| 122 | { |
| 123 | $errors = []; |
| 124 | foreach ($result->getErrorMessagesIndexedByPath() as $path => $messages) { |
| 125 | $errors[(string)$path] = array_map(fn($msg) => (string)$msg, $messages); |
| 126 | } |
| 127 | |
| 128 | return $errors; |
| 129 | } |
| 130 | } |