1 <?php
 2 
 3 namespace Http\Message\Authentication;
 4 
 5 use Http\Message\Authentication;
 6 use Psr\Http\Message\RequestInterface;
 7 
 8 /**
 9  * Authenticate a PSR-7 Request using Basic Auth.
10  *
11  * @author Márk Sági-Kazár <mark.sagikazar@gmail.com>
12  */
13 final class BasicAuth implements Authentication
14 {
15     /**
16      * @var string
17      */
18     private $username;
19 
20     /**
21      * @var string
22      */
23     private $password;
24 
25     /**
26      * @param string $username
27      * @param string $password
28      */
29     public function __construct($username, $password)
30     {
31         $this->username = $username;
32         $this->password = $password;
33     }
34 
35     /**
36      * {@inheritdoc}
37      */
38     public function authenticate(RequestInterface $request)
39     {
40         $header = sprintf('Basic %s', base64_encode(sprintf('%s:%s', $this->username, $this->password)));
41 
42         return $request->withHeader('Authorization', $header);
43     }
44 }
45 

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