| 1 |
<?php |
| 2 |
|
| 3 |
declare(strict_types=1); |
| 4 |
|
| 5 |
namespace Http\Client\Common\Plugin; |
| 6 |
|
| 7 |
use Http\Client\Common\Plugin; |
| 8 |
use Http\Promise\Promise; |
| 9 |
use Psr\Http\Message\RequestInterface; |
| 10 |
|
| 11 |
/** |
| 12 |
* Set header to default value if it does not exist. |
| 13 |
* |
| 14 |
* If a given header already exists the value wont be replaced and the request wont be changed. |
| 15 |
* |
| 16 |
* @author Soufiane Ghzal <sghzal@gmail.com> |
| 17 |
*/ |
| 18 |
final class HeaderDefaultsPlugin implements Plugin |
| 19 |
{ |
| 20 |
/** |
| 21 |
* @var array |
| 22 |
*/ |
| 23 |
private $headers = []; |
| 24 |
|
| 25 |
/** |
| 26 |
* @param array $headers Hashmap of header name to header value |
| 27 |
*/ |
| 28 |
public function __construct(array $headers) |
| 29 |
{ |
| 30 |
$this->headers = $headers; |
| 31 |
} |
| 32 |
|
| 33 |
/** |
| 34 |
* {@inheritdoc} |
| 35 |
*/ |
| 36 |
public function handleRequest(RequestInterface $request, callable $next, callable $first): Promise |
| 37 |
{ |
| 38 |
foreach ($this->headers as $header => $headerValue) { |
| 39 |
if (!$request->hasHeader($header)) { |
| 40 |
$request = $request->withHeader($header, $headerValue); |
| 41 |
} |
| 42 |
} |
| 43 |
|
| 44 |
return $next($request); |
| 45 |
} |
| 46 |
} |
| 47 |
|
