|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Psr7Middlewares\Middleware; |
|
4
|
|
|
|
|
5
|
|
|
use Psr7Middlewares\Utils; |
|
6
|
|
|
use Psr7Middlewares\Middleware; |
|
7
|
|
|
use Psr\Http\Message\ServerRequestInterface; |
|
8
|
|
|
use Psr\Http\Message\ResponseInterface; |
|
9
|
|
|
|
|
10
|
|
|
/** |
|
11
|
|
|
* Middleware to strip the path prefix. |
|
12
|
|
|
*/ |
|
13
|
|
|
class BasePath |
|
14
|
|
|
{ |
|
15
|
|
|
const KEY = 'BASE_PATH'; |
|
16
|
|
|
|
|
17
|
|
|
use Utils\BasePathTrait; |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* @var bool |
|
21
|
|
|
*/ |
|
22
|
|
|
private $autodetect = false; |
|
23
|
|
|
|
|
24
|
|
|
/** |
|
25
|
|
|
* Returns the basePath. |
|
26
|
|
|
* |
|
27
|
|
|
* @param ServerRequestInterface $request |
|
28
|
|
|
* |
|
29
|
|
|
* @return string|null |
|
30
|
|
|
*/ |
|
31
|
|
|
public static function getBasePath(ServerRequestInterface $request) |
|
32
|
|
|
{ |
|
33
|
|
|
return Middleware::getAttribute($request, self::KEY); |
|
34
|
|
|
} |
|
35
|
|
|
|
|
36
|
|
|
/** |
|
37
|
|
|
* Constructor. Set the path prefix. |
|
38
|
|
|
* |
|
39
|
|
|
* @param string|null $basePath |
|
40
|
|
|
*/ |
|
41
|
|
|
public function __construct($basePath = null) |
|
42
|
|
|
{ |
|
43
|
|
|
if ($basePath !== null) { |
|
44
|
|
|
$this->basePath($basePath); |
|
45
|
|
|
} |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* Autodetect the basePath. |
|
50
|
|
|
* |
|
51
|
|
|
* @param bool $autodetect |
|
52
|
|
|
* |
|
53
|
|
|
* @return self |
|
54
|
|
|
*/ |
|
55
|
|
|
public function autodetect($autodetect = true) |
|
56
|
|
|
{ |
|
57
|
|
|
$this->autodetect = $autodetect; |
|
58
|
|
|
|
|
59
|
|
|
return $this; |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
* Execute the middleware. |
|
64
|
|
|
* |
|
65
|
|
|
* @param ServerRequestInterface $request |
|
66
|
|
|
* @param ResponseInterface $response |
|
67
|
|
|
* @param callable $next |
|
68
|
|
|
* |
|
69
|
|
|
* @return ResponseInterface |
|
70
|
|
|
*/ |
|
71
|
|
|
public function __invoke(ServerRequestInterface $request, ResponseInterface $response, callable $next) |
|
72
|
|
|
{ |
|
73
|
|
|
if ($this->autodetect) { |
|
74
|
|
|
$this->basePath(self::detectBasePath($request)); |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
$uri = $request->getUri(); |
|
78
|
|
|
$path = $this->getPath($uri->getPath()); |
|
79
|
|
|
$request = $request->withUri($uri->withPath($path)); |
|
80
|
|
|
|
|
81
|
|
|
$request = Middleware::setAttribute($request, self::KEY, $this->basePath); |
|
82
|
|
|
|
|
83
|
|
|
return $next($request, $response); |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
|
|
/** |
|
87
|
|
|
* Auto-detect the base path from the request environment. |
|
88
|
|
|
* |
|
89
|
|
|
* Uses a variety of criteria in order to detect the base URL of the request |
|
90
|
|
|
* (i.e., anything additional to the document root). |
|
91
|
|
|
* |
|
92
|
|
|
* This code has been adapted from the Zend implementation: |
|
93
|
|
|
* https://github.com/zendframework/zend-http/blob/master/src/PhpEnvironment/Request.php |
|
94
|
|
|
* |
|
95
|
|
|
* @param ServerRequestInterface $request |
|
96
|
|
|
* |
|
97
|
|
|
* @return string |
|
98
|
|
|
*/ |
|
99
|
|
|
protected static function detectBasePath(ServerRequestInterface $request) |
|
100
|
|
|
{ |
|
101
|
|
|
$server = $request->getServerParams(); |
|
102
|
|
|
|
|
103
|
|
|
$filename = isset($server['SCRIPT_FILENAME']) ? $server['SCRIPT_FILENAME'] : ''; |
|
104
|
|
|
$scriptName = isset($server['SCRIPT_NAME']) ? $server['SCRIPT_NAME'] : null; |
|
105
|
|
|
$phpSelf = isset($server['PHP_SELF']) ? $server['PHP_SELF'] : null; |
|
106
|
|
|
$origScriptName = isset($server['ORIG_SCRIPT_NAME']) ? $server['ORIG_SCRIPT_NAME'] : null; |
|
107
|
|
|
|
|
108
|
|
|
if ($scriptName !== null && basename($scriptName) === $filename) { |
|
109
|
|
|
$baseUrl = $scriptName; |
|
110
|
|
|
} elseif ($phpSelf !== null && basename($phpSelf) === $filename) { |
|
111
|
|
|
$baseUrl = $phpSelf; |
|
112
|
|
|
} elseif ($origScriptName !== null && basename($origScriptName) === $filename) { |
|
113
|
|
|
// 1and1 shared hosting compatibility. |
|
114
|
|
|
$baseUrl = $origScriptName; |
|
115
|
|
|
} else { |
|
116
|
|
|
// Backtrack up the SCRIPT_FILENAME to find the portion |
|
117
|
|
|
// matching PHP_SELF. |
|
118
|
|
|
$baseUrl = '/'; |
|
119
|
|
|
$basename = basename($filename); |
|
120
|
|
|
|
|
121
|
|
|
if ($basename) { |
|
122
|
|
|
$path = ($phpSelf ? trim($phpSelf, '/') : ''); |
|
123
|
|
|
$basePos = strpos($path, $basename) ?: 0; |
|
124
|
|
|
$baseUrl .= substr($path, 0, $basePos).$basename; |
|
125
|
|
|
} |
|
126
|
|
|
} |
|
127
|
|
|
|
|
128
|
|
|
// If the baseUrl is empty, then simply return it. |
|
129
|
|
|
if (empty($baseUrl)) { |
|
130
|
|
|
return ''; |
|
131
|
|
|
} |
|
132
|
|
|
|
|
133
|
|
|
// Does the base URL have anything in common with the request URI? |
|
134
|
|
|
$requestUri = $request->getUri()->getPath(); |
|
135
|
|
|
|
|
136
|
|
|
// Full base URL matches. |
|
137
|
|
|
if (0 === strpos($requestUri, $baseUrl)) { |
|
138
|
|
|
return $baseUrl; |
|
139
|
|
|
} |
|
140
|
|
|
|
|
141
|
|
|
// Directory portion of base path matches. |
|
142
|
|
|
$baseDir = str_replace('\\', '/', dirname($baseUrl)); |
|
143
|
|
|
|
|
144
|
|
|
if (0 === strpos($requestUri, $baseDir)) { |
|
145
|
|
|
return $baseDir; |
|
146
|
|
|
} |
|
147
|
|
|
|
|
148
|
|
|
$truncatedRequestUri = $requestUri; |
|
149
|
|
|
|
|
150
|
|
|
if (false !== ($pos = strpos($requestUri, '?'))) { |
|
151
|
|
|
$truncatedRequestUri = substr($requestUri, 0, $pos); |
|
152
|
|
|
} |
|
153
|
|
|
|
|
154
|
|
|
$basename = basename($baseUrl); |
|
155
|
|
|
|
|
156
|
|
|
// No match whatsoever |
|
157
|
|
|
if (empty($basename) || false === strpos($truncatedRequestUri, $basename)) { |
|
158
|
|
|
return ''; |
|
159
|
|
|
} |
|
160
|
|
|
|
|
161
|
|
|
// If using mod_rewrite or ISAPI_Rewrite strip the script filename |
|
162
|
|
|
// out of the base path. $pos !== 0 makes sure it is not matching a |
|
163
|
|
|
// value from PATH_INFO or QUERY_STRING. |
|
164
|
|
|
if (strlen($requestUri) >= strlen($baseUrl) |
|
165
|
|
|
&& (false !== ($pos = strpos($requestUri, $baseUrl)) && $pos !== 0) |
|
166
|
|
|
) { |
|
167
|
|
|
$baseUrl = substr($requestUri, 0, $pos + strlen($baseUrl)); |
|
168
|
|
|
} |
|
169
|
|
|
|
|
170
|
|
|
return $baseUrl; |
|
171
|
|
|
} |
|
172
|
|
|
} |
|
173
|
|
|
|
oscarotero /
psr7-middlewares
