43 lines
1.7 KiB
PHP
43 lines
1.7 KiB
PHP
|
<?php declare(strict_types=1);
|
|||
|
|
|
|||
|
|
namespace Taproot\IndieAuth\Callback;
|
|||
|
|
|
|||
|
|
use Exception;
|
|||
|
|
use Nyholm\Psr7\Response;
|
|||
|
|
use Psr\Http\Message\ServerRequestInterface;
|
|||
|
|
|
|||
|
|
use function Taproot\IndieAuth\renderTemplate;
|
|||
|
|
|
|||
|
|
class SingleUserPasswordAuthenticationCallback {
|
|||
|
|
const PASSWORD_FORM_PARAMETER = 'taproot_indieauth_server_password';
|
|||
|
|
|
|||
|
|
public string $csrfKey;
|
|||
|
|
public string $formTemplate;
|
|||
|
|
protected array $user;
|
|||
|
|
protected string $hashedPassword;
|
|||
|
|
|
|||
|
|
public function __construct(array $user, string $hashedPassword, ?string $csrfKey=null, ?string $formTemplate=null) {
|
|||
|
|
if (!array_key_exists('me', $user) || !is_string($user['me'])) {
|
|||
|
|
throw new Exception('The $user array MUST contain a “me” key, the value which must be the user’s canonical URL as a string.');
|
|||
|
|
}
|
|||
|
|
$this->user = $user;
|
|||
|
|
$this->hashedPassword = $hashedPassword;
|
|||
|
|
$this->formTemplate = $formTemplate ?? __DIR__ . '/../templates/single_user_password_authentication_form.html.php';
|
|||
|
|
$this->csrfKey = $csrfKey ?? \Taproot\IndieAuth\Server::DEFAULT_CSRF_KEY;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public function __invoke(ServerRequestInterface $request, string $formAction) {
|
|||
|
|
// If the request is a form submission with a matching password, return the corresponding
|
|||
|
|
// user data.
|
|||
|
|
if ($request->getMethod() == 'POST' && password_verify($request->getParsedBody()[self::PASSWORD_FORM_PARAMETER] ?? '', $this->hashedPassword)) {
|
|||
|
|
return $this->user;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Otherwise, return a response containing the password form.
|
|||
|
|
return new Response(200, ['content-type' => 'text/html'], renderTemplate($this->formTemplate, [
|
|||
|
|
'formAction' => $formAction,
|
|||
|
|
'request' => $request,
|
|||
|
|
'csrfFormElement' => '<input type="hidden" name="' . htmlentities($this->csrfKey) . '" value="' . htmlentities($request->getAttribute($this->csrfKey)) . '" />'
|
|||
|
|
]));
|
|||
|
|
}
|
|||
|
|
}
|