| 1441 |
ariadna |
1 |
<?php
|
|
|
2 |
// This file is part of Moodle - http://moodle.org/
|
|
|
3 |
//
|
|
|
4 |
// Moodle is free software: you can redistribute it and/or modify
|
|
|
5 |
// it under the terms of the GNU General Public License as published by
|
|
|
6 |
// the Free Software Foundation, either version 3 of the License, or
|
|
|
7 |
// (at your option) any later version.
|
|
|
8 |
//
|
|
|
9 |
// Moodle is distributed in the hope that it will be useful,
|
|
|
10 |
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
11 |
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
12 |
// GNU General Public License for more details.
|
|
|
13 |
//
|
|
|
14 |
// You should have received a copy of the GNU General Public License
|
|
|
15 |
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
|
|
|
16 |
|
|
|
17 |
namespace core\router\middleware;
|
|
|
18 |
|
|
|
19 |
use core\router\request_validator_interface;
|
|
|
20 |
use core\router\response_handler;
|
|
|
21 |
use core\router\response_validator_interface;
|
|
|
22 |
use Psr\Http\Message\ResponseInterface;
|
|
|
23 |
use Psr\Http\Message\ServerRequestInterface;
|
|
|
24 |
use Psr\Http\Server\MiddlewareInterface;
|
|
|
25 |
use Psr\Http\Server\RequestHandlerInterface;
|
|
|
26 |
|
|
|
27 |
/**
|
|
|
28 |
* Middleware to handle validation of request and response based on the route data.
|
|
|
29 |
*
|
|
|
30 |
* @package core
|
|
|
31 |
* @copyright 2024 Andrew Lyons <andrew@nicols.co.uk>
|
|
|
32 |
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
|
33 |
*/
|
|
|
34 |
class validation_middleware implements MiddlewareInterface {
|
|
|
35 |
/**
|
|
|
36 |
* Create a new instance of the validation middleware.
|
|
|
37 |
*
|
|
|
38 |
* @param response_handler $responsehandler A handler to standardise a response
|
|
|
39 |
* @param request_validator_interface $requestvalidator A request validator
|
|
|
40 |
* @param response_validator_interface $responsevalidator A response validator
|
|
|
41 |
*/
|
|
|
42 |
public function __construct(
|
|
|
43 |
/** @var response_handler A handler to standardise a response */
|
|
|
44 |
protected response_handler $responsehandler,
|
|
|
45 |
|
|
|
46 |
/** @var request_validator_interface The request validator used to validate incoming data */
|
|
|
47 |
protected request_validator_interface $requestvalidator,
|
|
|
48 |
|
|
|
49 |
/** @var response_validator_interface The response validator used to validate incoming data */
|
|
|
50 |
protected response_validator_interface $responsevalidator,
|
|
|
51 |
) {
|
|
|
52 |
}
|
|
|
53 |
|
|
|
54 |
#[\Override]
|
|
|
55 |
public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface {
|
|
|
56 |
try {
|
|
|
57 |
$request = $this->requestvalidator->validate_request($request);
|
|
|
58 |
} catch (\Exception $e) {
|
|
|
59 |
return $this->responsehandler->get_response_from_exception($request, $e);
|
|
|
60 |
}
|
|
|
61 |
|
|
|
62 |
$response = $handler->handle($request);
|
|
|
63 |
|
|
|
64 |
try {
|
|
|
65 |
$this->responsevalidator->validate_response($request, $response);
|
|
|
66 |
} catch (\Exception $e) {
|
|
|
67 |
return $this->responsehandler->get_response_from_exception($request, $e);
|
|
|
68 |
}
|
|
|
69 |
|
|
|
70 |
return $response;
|
|
|
71 |
}
|
|
|
72 |
}
|