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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the box project. |
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* |
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* (c) Kevin Herrera <[email protected]> |
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* Théo Fidry <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace KevinGH\Box\Json; |
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use InvalidArgumentException; |
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use JsonSchema\Validator; |
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use Seld\JsonLint\JsonParser; |
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use Seld\JsonLint\ParsingException; |
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use stdClass; |
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final class Json |
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{ |
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private $linter; |
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private $validator; |
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public function __construct() |
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{ |
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$this->linter = new JsonParser(); |
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$this->validator = new Validator(); |
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} |
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public function decode(string $json): stdClass |
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{ |
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$data = json_decode($json); |
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if (JSON_ERROR_NONE !== ($error = json_last_error())) { |
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if (JSON_ERROR_UTF8 === $error) { |
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throw JsonValidationException::createDecodeException($error); |
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} |
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$this->lint($json); |
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if (($result = $this->linter->lint($json)) instanceof ParsingException) { |
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throw $result; |
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} |
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} |
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return $data; |
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} |
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public function decodeFile(string $file): stdClass |
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{ |
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if (false === is_file($file)) { |
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throw new InvalidArgumentException( |
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sprintf( |
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'The file "%s" does not exist.', |
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$file |
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) |
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); |
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} |
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if (false === ($json = @file_get_contents($file))) { |
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throw new InvalidArgumentException( |
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sprintf( |
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'Could not read the file "%s": %s', |
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$file, |
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error_get_last()['message'] |
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) |
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); |
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} |
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return $this->decode($json); |
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} |
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public function lint(string $json): void |
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{ |
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$result = $this->linter->lint($json); |
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if ($result instanceof ParsingException) { |
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throw $result; |
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} |
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} |
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/** |
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* Validates the decoded JSON data. |
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* |
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* @param string $file The JSON file |
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* @param stdClass $json The decoded JSON data |
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* @param stdClass $schema The JSON schema |
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* |
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* @throws JsonValidationException If the JSON data failed validation |
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*/ |
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public function validate(string $file, stdClass $json, stdClass $schema): void |
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{ |
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$validator = new Validator(); |
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$validator->check($json, $schema); |
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if (!$validator->isValid()) { |
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$errors = []; |
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foreach ((array) $validator->getErrors() as $error) { |
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$errors[] = ($error['property'] ? $error['property'].' : ' : '').$error['message']; |
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} |
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$message = [] !== $errors |
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? "\"$file\" does not match the expected JSON schema:\n - ".implode("\n - ", $errors) |
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: "\"$file\" does not match the expected JSON schema." |
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; |
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throw new JsonValidationException($message, $file, $errors); |
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} |
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} |
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} |
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humbug /
box
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