Viewing file:  CommonResponseTrait.php (4.64 KB) -rw-r--r--
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpClient\Response;
use Symfony\Component\HttpClient\Exception\ClientException;
use Symfony\Component\HttpClient\Exception\JsonException;
use Symfony\Component\HttpClient\Exception\RedirectionException;
use Symfony\Component\HttpClient\Exception\ServerException;
use Symfony\Component\HttpClient\Exception\TransportException;
/**
* Implements common logic for response classes.
*
* @author Nicolas Grekas <p@tchwork.com>
*
* @internal
*/
trait CommonResponseTrait
{
/**
* @var callable|null A callback that tells whether we're waiting for response headers
*/
private $initializer;
private $shouldBuffer;
private $content;
private int $offset = 0;
private ?array $jsonData = null;
public function getContent(bool $throw = true): string
{
if ($this->initializer) {
self::initialize($this);
}
if ($throw) {
$this->checkStatusCode();
}
if (null === $this->content) {
$content = null;
foreach (self::stream([$this]) as $chunk) {
if (!$chunk->isLast()) {
$content .= $chunk->getContent();
}
}
if (null !== $content) {
return $content;
}
if (null === $this->content) {
throw new TransportException('Cannot get the content of the response twice: buffering is disabled.');
}
} else {
foreach (self::stream([$this]) as $chunk) {
// Chunks are buffered in $this->content already
}
}
rewind($this->content);
return stream_get_contents($this->content);
}
public function toArray(bool $throw = true): array
{
if ('' === $content = $this->getContent($throw)) {
throw new JsonException('Response body is empty.');
}
if (null !== $this->jsonData) {
return $this->jsonData;
}
try {
$content = json_decode($content, true, 512, \JSON_BIGINT_AS_STRING | \JSON_THROW_ON_ERROR);
} catch (\JsonException $e) {
throw new JsonException($e->getMessage().sprintf(' for "%s".', $this->getInfo('url')), $e->getCode());
}
if (!\is_array($content)) {
throw new JsonException(sprintf('JSON content was expected to decode to an array, "%s" returned for "%s".', get_debug_type($content), $this->getInfo('url')));
}
if (null !== $this->content) {
// Option "buffer" is true
return $this->jsonData = $content;
}
return $content;
}
public function toStream(bool $throw = true)
{
if ($throw) {
// Ensure headers arrived
$this->getHeaders($throw);
}
$stream = StreamWrapper::createResource($this);
stream_get_meta_data($stream)['wrapper_data']
->bindHandles($this->handle, $this->content);
return $stream;
}
public function __sleep(): array
{
throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
}
public function __wakeup()
{
throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
}
/**
* Closes the response and all its network handles.
*/
abstract protected function close(): void;
private static function initialize(self $response): void
{
if (null !== $response->getInfo('error')) {
throw new TransportException($response->getInfo('error'));
}
try {
if (($response->initializer)($response, -0.0)) {
foreach (self::stream([$response], -0.0) as $chunk) {
if ($chunk->isFirst()) {
break;
}
}
}
} catch (\Throwable $e) {
// Persist timeouts thrown during initialization
$response->info['error'] = $e->getMessage();
$response->close();
throw $e;
}
$response->initializer = null;
}
private function checkStatusCode()
{
$code = $this->getInfo('http_code');
if (500 <= $code) {
throw new ServerException($this);
}
if (400 <= $code) {
throw new ClientException($this);
}
if (300 <= $code) {
throw new RedirectionException($this);
}
}
}
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