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<?php |
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declare(strict_types=1); |
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namespace Boomdraw\RpcCore; |
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use Boomdraw\RpcCore\Exceptions\InvalidRequestRpcException; |
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use Boomdraw\RpcCore\Exceptions\ParseErrorRpcException; |
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use Illuminate\Http\Request as BaseRequest; |
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use JsonException; |
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use Symfony\Component\HttpFoundation\Exception\BadRequestException; |
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use Symfony\Component\HttpFoundation\Request as SymfonyRequest; |
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use Throwable; |
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class Request extends BaseRequest |
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{ |
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/** @var string called rpc method. */ |
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protected string $rpcMethod; |
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/** @var ContextBag provided context. */ |
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protected ContextBag $context; |
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/** |
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* Request constructor. |
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* |
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* @param string $rpcMethod |
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* @param array $request |
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* @param array $server |
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* @param string|resource|null $content |
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* @param array $context |
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*/ |
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public function __construct( |
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string $rpcMethod, |
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array $request = [], |
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array $server = [], |
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$content = null, |
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array $context = [] |
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) { |
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parent::__construct([], $request, [], [], [], $server, $content); |
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$this->rpcMethod = $rpcMethod; |
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$this->context = new ContextBag($context); |
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} |
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/** |
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* Create an RPC request from a Symfony instance. |
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* |
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* @param SymfonyRequest $request |
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* @return Request |
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* @throws InvalidRequestRpcException |
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* @throws ParseErrorRpcException|JsonException|BadRequestException |
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*/ |
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public static function createFromBase(SymfonyRequest $request): self |
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{ |
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if ($request instanceof self) { |
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return $request; |
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} |
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$input = self::getInput($request); |
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$method = self::extractMethod($input); |
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$params = data_get($input, 'params', []); |
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$args = data_get($params, 'args', []); |
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$context = (array) data_get($params, 'context', []); |
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if (empty($args) && empty($context)) { |
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$args = $params; |
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} |
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data_set($context, 'requestId', data_get($input, 'id')); |
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return new self($method, (array) $args, self::getServer(), json_encode($args, JSON_THROW_ON_ERROR), $context); |
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} |
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/** |
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* Return rpc method name. |
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* |
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* @return string |
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*/ |
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public function getRpcMethod(): string |
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{ |
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return $this->rpcMethod; |
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} |
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/** |
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* Retrieve a context item from the request. |
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* |
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* @param string|null $key |
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* @param mixed $default |
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* @return string|array|null |
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*/ |
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public function context(?string $key = null, $default = null) |
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{ |
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return $this->retrieveItem('context', $key, $default); |
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} |
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/** |
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* Determine if a context item is set on the request. |
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* |
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* @param string $key |
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* @return bool |
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*/ |
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public function hasContext(string $key): bool |
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{ |
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return ! is_null($this->context($key)); |
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} |
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/** |
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* Return request input. |
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* |
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* @param SymfonyRequest $request |
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* @return object |
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* @throws ParseErrorRpcException|BadRequestException |
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*/ |
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protected static function getInput(SymfonyRequest $request): object |
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{ |
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$input = $request->request->all(); |
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if (! empty($input)) { |
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return (object) $input; |
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} |
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try { |
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$input = file_get_contents('php://input'); |
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return json_decode($input, false, 512, JSON_THROW_ON_ERROR); |
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} catch (Throwable $exception) { |
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throw new ParseErrorRpcException(); |
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} |
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} |
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/** |
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* Extract JsonRPC method from input. |
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* |
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* @param object $input |
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* @return string |
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* @throws InvalidRequestRpcException |
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*/ |
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protected static function extractMethod(object $input): string |
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{ |
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$jsonrpc = data_get($input, 'jsonrpc'); |
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$method = data_get($input, 'method'); |
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if (! $method || is_numeric($method[0]) || $jsonrpc !== '2.0') { |
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throw new InvalidRequestRpcException(); |
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} |
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return $method; |
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} |
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/** |
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* Return $_SERVER variables with forced content type and accept headers. |
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* |
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* @return array |
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*/ |
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protected static function getServer(): array |
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{ |
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$server = $_SERVER; |
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$server['HTTP_CONTENT_TYPE'] = $server['CONTENT_TYPE'] = $server['HTTP_ACCEPT'] = 'application/json'; |
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return $server; |
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} |
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} |
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boomdraw /
rpc-core
