|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* @package WPEmerge |
|
4
|
|
|
* @author Atanas Angelov <[email protected]> |
|
5
|
|
|
* @copyright 2018 Atanas Angelov |
|
6
|
|
|
* @license https://www.gnu.org/licenses/gpl-2.0.html GPL-2.0 |
|
7
|
|
|
* @link https://wpemerge.com/ |
|
8
|
|
|
*/ |
|
9
|
|
|
|
|
10
|
|
|
namespace WPEmerge\Middleware; |
|
11
|
|
|
|
|
12
|
|
|
use Closure; |
|
13
|
|
|
use WPEmerge\Exceptions\Exception; |
|
14
|
|
|
use WPEmerge\Facades\Framework; |
|
15
|
|
|
use WPEmerge\Facades\Router; |
|
16
|
|
|
use WPEmerge\Helpers\MixedType; |
|
17
|
|
|
use WPEmerge\Requests\RequestInterface; |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* Allow objects to have middleware |
|
21
|
|
|
*/ |
|
22
|
|
|
trait HasMiddlewareTrait { |
|
23
|
|
|
/** |
|
24
|
|
|
* Array of all registered middleware. |
|
25
|
|
|
* |
|
26
|
|
|
* @var array |
|
27
|
|
|
*/ |
|
28
|
|
|
protected $middleware = []; |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* Check if the passed entity is a valid middleware. |
|
32
|
|
|
* |
|
33
|
|
|
* @param mixed $middleware |
|
34
|
|
|
* @return boolean |
|
35
|
|
|
*/ |
|
36
|
6 |
|
protected function isMiddleware( $middleware ) { |
|
37
|
|
|
return ( |
|
38
|
|
|
$middleware instanceof Closure |
|
39
|
6 |
|
|| |
|
40
|
5 |
|
is_a( $middleware, MiddlewareInterface::class, true ) |
|
41
|
6 |
|
); |
|
42
|
|
|
} |
|
43
|
|
|
|
|
44
|
|
|
/** |
|
45
|
|
|
* Get registered middleware. |
|
46
|
|
|
* |
|
47
|
|
|
* @return array |
|
48
|
|
|
*/ |
|
49
|
1 |
|
public function getMiddleware() { |
|
50
|
1 |
|
return $this->middleware; |
|
51
|
|
|
} |
|
52
|
|
|
|
|
53
|
|
|
/** |
|
54
|
|
|
* Set registered middleware. |
|
55
|
|
|
* Accepts: a class name, an instance of a class, a Closure or an array of any of the previous. |
|
56
|
|
|
* |
|
57
|
|
|
* @throws Exception |
|
58
|
|
|
* @param string|\Closure|\WPEmerge\Middleware\MiddlewareInterface|array $middleware |
|
59
|
|
|
* @return void |
|
60
|
|
|
*/ |
|
61
|
3 |
|
public function setMiddleware( $middleware ) { |
|
62
|
3 |
|
$middleware = MixedType::toArray( $middleware ); |
|
63
|
|
|
|
|
64
|
3 |
|
foreach ( $middleware as $item ) { |
|
65
|
2 |
|
if ( ! $this->isMiddleware( $item ) ) { |
|
66
|
1 |
|
throw new Exception( |
|
67
|
|
|
'Passed middleware must be a closure or the name or instance of a class which ' . |
|
68
|
1 |
|
'implements the ' . MiddlewareInterface::class . ' interface.' |
|
69
|
1 |
|
); |
|
70
|
|
|
} |
|
71
|
2 |
|
} |
|
72
|
|
|
|
|
73
|
|
|
// TODO this router dependency should be avoided. |
|
74
|
2 |
|
$this->middleware = Router::sortMiddleware( $middleware ); |
|
75
|
2 |
|
} |
|
76
|
|
|
|
|
77
|
|
|
/** |
|
78
|
|
|
* Add middleware. |
|
79
|
|
|
* Accepts: a class name, an instance of a class, a Closure or an array of any of the previous. |
|
80
|
|
|
* |
|
81
|
|
|
* @throws Exception |
|
82
|
|
|
* @param string|\Closure|\WPEmerge\Middleware\MiddlewareInterface|array $middleware |
|
83
|
|
|
* @return static $this |
|
84
|
|
|
*/ |
|
85
|
1 |
|
public function addMiddleware( $middleware ) { |
|
86
|
1 |
|
$middleware = MixedType::toArray( $middleware ); |
|
87
|
|
|
|
|
88
|
1 |
|
$this->setMiddleware( array_merge( $this->getMiddleware(), $middleware ) ); |
|
89
|
|
|
|
|
90
|
1 |
|
return $this; |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
|
|
/** |
|
94
|
|
|
* Alias for addMiddleware. |
|
95
|
|
|
* |
|
96
|
|
|
* @codeCoverageIgnore |
|
97
|
|
|
* @param string|\Closure|\WPEmerge\Middleware\MiddlewareInterface|array $middleware |
|
98
|
|
|
* @return static $this |
|
99
|
|
|
*/ |
|
100
|
|
|
public function middleware( $middleware ) { |
|
101
|
|
|
return call_user_func_array( [$this, 'addMiddleware'], func_get_args() ); |
|
102
|
|
|
} |
|
103
|
|
|
|
|
104
|
|
|
/** |
|
105
|
|
|
* Execute an array of middleware recursively (last in, first out). |
|
106
|
|
|
* |
|
107
|
|
|
* @param array $middleware |
|
108
|
|
|
* @param RequestInterface $request |
|
109
|
|
|
* @param Closure $next |
|
110
|
|
|
* @return \Psr\Http\Message\ResponseInterface |
|
111
|
|
|
*/ |
|
112
|
5 |
|
public function executeMiddleware( $middleware, RequestInterface $request, Closure $next ) { |
|
113
|
5 |
|
$top_middleware = array_shift( $middleware ); |
|
114
|
|
|
|
|
115
|
5 |
|
if ( $top_middleware === null ) { |
|
116
|
5 |
|
return $next( $request ); |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
4 |
|
$top_middleware_next = function ( $request ) use ( $middleware, $next ) { |
|
120
|
4 |
|
return $this->executeMiddleware( $middleware, $request, $next ); |
|
121
|
4 |
|
}; |
|
122
|
|
|
|
|
123
|
4 |
|
return MixedType::value( $top_middleware, [$request, $top_middleware_next], 'handle', [Framework::class, 'instantiate'] ); |
|
124
|
|
|
} |
|
125
|
|
|
} |
|
126
|
|
|
|
htmlburger /
wpemerge
