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<?php
namespace Aws\Token;
use InvalidArgumentException;
use Psr\Http\Message\RequestInterface;
/**
* Interface used to provide interchangeable strategies for adding authorization
* to requests using the various AWS signature protocols.
*/
class BearerTokenAuthorization implements TokenAuthorization
{
/**
* Adds the specified token to a request by adding the required headers.
*
* @param RequestInterface $request Request to sign
* @param TokenInterface $token Token
*
* @return RequestInterface Returns the modified request.
*/
public function authorizeRequest(
RequestInterface $request,
TokenInterface $token
) {
if (empty($token) || empty($token->getToken())) {
throw new InvalidArgumentException(
"Cannot authorize a request with an empty token"
);
}
$accessToken = $token->getToken();
return $request->withHeader('Authorization', "Bearer {$accessToken}");
}
}
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