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<?php |
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namespace ETNA\Silex\Provider\JSON; |
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use Silex\Application; |
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use Silex\ServiceProviderInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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/** |
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* |
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*/ |
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class JSONServiceProvider implements ServiceProviderInterface |
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{ |
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private $app; |
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public function boot(Application $app) |
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{ |
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} |
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public function register(Application $app) |
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{ |
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$this->app = $app; |
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$app->before([$this, "jsonInputHandler"]); |
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$app->error([$this, "errorHandler"]); |
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} |
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/** |
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* Gère le JSON dans le body d'une requête |
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* |
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* @param Request $request |
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*/ |
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public function jsonInputHandler(Request $request) |
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{ |
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// on ne s'interese qu'aux requêtes de type "application/json" |
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if (0 !== strpos($request->headers->get('Content-Type'), 'application/json')) { |
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return; |
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} |
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$params = json_decode($request->getContent(), true); |
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if (false === is_array($params)) { |
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$this->app->abort(400, "Invalid JSON data"); |
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} |
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// OUF, on peut enfin faire ce qu'on a à faire... |
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$request->request->replace($params); |
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} |
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/** |
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* Gère les erreurs et retourne un truc standardisé |
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* |
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* Le code d'erreur HTTP est gardé, mais pas forcément le message, et sera encapsuler dans une réponse JSON |
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* Le message de l'exception n'est retourné que si ce n'est pas une erreur 500 |
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* ou que le `debug` est activé |
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* |
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* @param \Exception $exception |
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* @param integer $code HTTP status code (100 <= $code <= 50x) |
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* @return \Symfony\Component\HttpFoundation\JsonResponse |
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*/ |
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public function errorHandler(\Exception $exception, $code) |
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{ |
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$code = $this->sanitizeExceptionCode($code, $exception); |
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switch (true) { |
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case 100 <= $code && $code < 500: |
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case $this->app["debug"] === true: |
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$message = $exception->getMessage(); |
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break; |
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default: |
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$message = null; |
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break; |
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} |
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return $this->app->json($message, $code); |
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} |
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/** |
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* @param integer $code |
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* @param null|\Exception $exception |
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* @return integer |
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*/ |
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private function sanitizeExceptionCode($code, \Exception $exception = null) |
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{ |
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switch (true) { |
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case $exception instanceof \InvalidArgumentException: |
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return 400; |
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case null !== $exception && !$exception instanceof \Symfony\Component\HttpKernel\Exception\HttpException: |
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return $this->sanitizeExceptionCode($exception->getCode()); |
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case 100 <= $code && $code < 600: |
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return $code; |
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default: |
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return 500; |
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} |
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} |
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} |
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etna-alternance /
composer-json-service-provider
