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<?php |
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declare(strict_types=1); |
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namespace Usox\JsonSchemaApi\Dispatch; |
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use Opis\JsonSchema\Errors\ErrorFormatter; |
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use Opis\JsonSchema\Helper; |
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use Opis\JsonSchema\Validator; |
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use stdClass; |
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use Teapot\StatusCode; |
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use Usox\JsonSchemaApi\Exception\RequestMalformedException; |
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use Usox\JsonSchemaApi\Exception\ResponseMalformedException; |
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/** |
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* Validates input and output against the json schema to ensure valid requests/responses |
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*/ |
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final class MethodValidator implements MethodValidatorInterface |
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{ |
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public function __construct( |
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private Validator $schemaValidator, |
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private ErrorFormatter $errorFormatter |
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) { |
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} |
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/** |
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* @throws RequestMalformedException |
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*/ |
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public function validateInput( |
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stdClass $methodSchemaContent, |
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stdClass $input |
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): void { |
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// Validate the input parameter against the parameter definition in method schema |
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$validationResult = $this->schemaValidator->validate( |
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$input->parameter, |
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$methodSchemaContent->properties->parameter |
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); |
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// Throw exception if the input does not validate against the basic request schema |
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if ($validationResult->isValid() === false) { |
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throw new RequestMalformedException( |
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'Bad Request', |
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StatusCode::BAD_REQUEST |
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); |
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} |
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} |
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/** |
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* @param array<mixed> $output |
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* |
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* @throws ResponseMalformedException |
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*/ |
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public function validateOutput( |
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stdClass $methodSchemaContent, |
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array $output |
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): void { |
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if (property_exists($methodSchemaContent->properties, 'response') === true) { |
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$data = new stdClass(); |
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$data->data = Helper::toJSON($output); |
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// Wrap the response schema |
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$response = (object) [ |
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'type' => 'object', |
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'properties' => (object) [ |
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'data' => $methodSchemaContent->properties->response, |
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], |
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'required' => ['data'] |
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]; |
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// Validate the response against the response definition in method schema |
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$validationResult = $this->schemaValidator->validate( |
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$data, |
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$response |
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); |
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$error = $validationResult->error(); |
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// Throw exception if the input does not validate against the basic request schema |
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if ($error !== null) { |
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throw new ResponseMalformedException( |
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'Internal Server Error', |
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StatusCode::INTERNAL_SERVER_ERROR, |
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null, |
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$this->errorFormatter->format($error) |
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); |
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} |
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} |
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} |
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} |
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usox /
json-schema-api
