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<?php
namespace Http\Message\Authentication;
use Http\Message\Authentication;
use Psr\Http\Message\RequestInterface;
/**
* Authenticate a PSR-7 Request with a multiple authentication methods.
*
* @author Márk Sági-Kazár <mark.sagikazar@gmail.com>
*/
final class Chain implements Authentication
{
/**
* @var Authentication[]
*/
private $authenticationChain = [];
/**
* @param Authentication[] $authenticationChain
*/
public function __construct(array $authenticationChain = [])
{
foreach ($authenticationChain as $authentication) {
if (!$authentication instanceof Authentication) {
throw new \InvalidArgumentException(
'Members of the authentication chain must be of type Http\Message\Authentication'
);
}
}
$this->authenticationChain = $authenticationChain;
}
/**
* {@inheritdoc}
*/
public function authenticate(RequestInterface $request)
{
foreach ($this->authenticationChain as $authentication) {
$request = $authentication->authenticate($request);
}
return $request;
}
}
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