0byt3m1n1
Path:
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home
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mgatv524
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giga.mgaplay.com.br
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vendor
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slim
/
slim
/
Slim
/
[
Home
]
File: ResponseEmitter.php
<?php /** * Slim Framework (https://slimframework.com) * * @license https://github.com/slimphp/Slim/blob/4.x/LICENSE.md (MIT License) */ declare(strict_types=1); namespace Slim; use Psr\Http\Message\ResponseInterface; use function connection_status; use function header; use function headers_sent; use function in_array; use function min; use function sprintf; use function strlen; use function strtolower; use const CONNECTION_NORMAL; class ResponseEmitter { /** * @var int */ private $responseChunkSize; /** * @param int $responseChunkSize */ public function __construct(int $responseChunkSize = 4096) { $this->responseChunkSize = $responseChunkSize; } /** * Send the response the client * * @param ResponseInterface $response * @return void */ public function emit(ResponseInterface $response): void { $isEmpty = $this->isResponseEmpty($response); if (headers_sent() === false) { $this->emitStatusLine($response); $this->emitHeaders($response); } if (!$isEmpty) { $this->emitBody($response); } } /** * Emit Response Headers * * @param ResponseInterface $response */ private function emitHeaders(ResponseInterface $response): void { foreach ($response->getHeaders() as $name => $values) { $first = strtolower($name) !== 'set-cookie'; foreach ($values as $value) { $header = sprintf('%s: %s', $name, $value); header($header, $first); $first = false; } } } /** * Emit Status Line * * @param ResponseInterface $response */ private function emitStatusLine(ResponseInterface $response): void { $statusLine = sprintf( 'HTTP/%s %s %s', $response->getProtocolVersion(), $response->getStatusCode(), $response->getReasonPhrase() ); header($statusLine, true, $response->getStatusCode()); } /** * Emit Body * * @param ResponseInterface $response */ private function emitBody(ResponseInterface $response): void { $body = $response->getBody(); if ($body->isSeekable()) { $body->rewind(); } $amountToRead = (int) $response->getHeaderLine('Content-Length'); if (!$amountToRead) { $amountToRead = $body->getSize(); } if ($amountToRead) { while ($amountToRead > 0 && !$body->eof()) { $length = min($this->responseChunkSize, $amountToRead); $data = $body->read($length); echo $data; $amountToRead -= strlen($data); if (connection_status() !== CONNECTION_NORMAL) { break; } } } else { while (!$body->eof()) { echo $body->read($this->responseChunkSize); if (connection_status() !== CONNECTION_NORMAL) { break; } } } } /** * Asserts response body is empty or status code is 204, 205 or 304 * * @param ResponseInterface $response * @return bool */ public function isResponseEmpty(ResponseInterface $response): bool { if (in_array($response->getStatusCode(), [204, 205, 304], true)) { return true; } $stream = $response->getBody(); $seekable = $stream->isSeekable(); if ($seekable) { $stream->rewind(); } return $seekable ? $stream->read(1) === '' : $stream->eof(); } }