1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
|
<?php defined('SYSPATH') OR die('No direct access allowed.');
/**
* Router
*
* $Id$
*
* @package Core
* @author Kohana Team
* @copyright (c) 2007-2008 Kohana Team
* @license http://kohanaphp.com/license.html
*/
class Router_Core {
protected static $routes;
public static $current_uri = '';
public static $query_string = '';
public static $complete_uri = '';
public static $routed_uri = '';
public static $url_suffix = '';
public static $segments;
public static $rsegments;
public static $controller;
public static $controller_path;
public static $method = 'index';
public static $arguments = array();
/**
* Router setup routine. Automatically called during Kohana setup process.
*
* @return void
*/
public static function setup()
{
if ( ! empty($_SERVER['QUERY_STRING']))
{
// Set the query string to the current query string
Router::$query_string = '?'.trim($_SERVER['QUERY_STRING'], '&/');
}
if (Router::$routes === NULL)
{
// Load routes
Router::$routes = Kohana::config('routes');
}
// Default route status
$default_route = FALSE;
if (Router::$current_uri === '')
{
// Make sure the default route is set
if ( ! isset(Router::$routes['_default']))
throw new Kohana_Exception('core.no_default_route');
// Use the default route when no segments exist
Router::$current_uri = Router::$routes['_default'];
// Default route is in use
$default_route = TRUE;
}
// Make sure the URL is not tainted with HTML characters
Router::$current_uri = html::specialchars(Router::$current_uri, FALSE);
// Remove all dot-paths from the URI, they are not valid
Router::$current_uri = preg_replace('#\.[\s./]*/#', '', Router::$current_uri);
// At this point segments, rsegments, and current URI are all the same
Router::$segments = Router::$rsegments = Router::$current_uri = trim(Router::$current_uri, '/');
// Set the complete URI
Router::$complete_uri = Router::$current_uri.Router::$query_string;
// Explode the segments by slashes
Router::$segments = ($default_route === TRUE OR Router::$segments === '') ? array() : explode('/', Router::$segments);
if ($default_route === FALSE AND count(Router::$routes) > 1)
{
// Custom routing
Router::$rsegments = Router::routed_uri(Router::$current_uri);
}
// The routed URI is now complete
Router::$routed_uri = Router::$rsegments;
// Routed segments will never be empty
Router::$rsegments = explode('/', Router::$rsegments);
// Prepare to find the controller
$controller_path = '';
$method_segment = NULL;
// Paths to search
$paths = Kohana::include_paths();
foreach (Router::$rsegments as $key => $segment)
{
// Add the segment to the search path
$controller_path .= $segment;
$found = FALSE;
foreach ($paths as $dir)
{
// Search within controllers only
$dir .= 'controllers/';
if (is_dir($dir.$controller_path) OR is_file($dir.$controller_path.EXT))
{
// Valid path
$found = TRUE;
// The controller must be a file that exists with the search path
if ($c = str_replace('\\', '/', realpath($dir.$controller_path.EXT))
AND is_file($c) AND strpos($c, $dir) === 0)
{
// Set controller name
Router::$controller = $segment;
// Change controller path
Router::$controller_path = $c;
// Set the method segment
$method_segment = $key + 1;
// Stop searching
break;
}
}
}
if ($found === FALSE)
{
// Maximum depth has been reached, stop searching
break;
}
// Add another slash
$controller_path .= '/';
}
if ($method_segment !== NULL AND isset(Router::$rsegments[$method_segment]))
{
// Set method
Router::$method = Router::$rsegments[$method_segment];
if (isset(Router::$rsegments[$method_segment + 1]))
{
// Set arguments
Router::$arguments = array_slice(Router::$rsegments, $method_segment + 1);
}
}
// Last chance to set routing before a 404 is triggered
Event::run('system.post_routing');
if (Router::$controller === NULL)
{
// No controller was found, so no page can be rendered
Event::run('system.404');
}
}
/**
* Attempts to determine the current URI using CLI, GET, PATH_INFO, ORIG_PATH_INFO, or PHP_SELF.
*
* @return void
*/
public static function find_uri()
{
if (PHP_SAPI === 'cli')
{
// Command line requires a bit of hacking
if (isset($_SERVER['argv'][1]))
{
Router::$current_uri = $_SERVER['argv'][1];
// Remove GET string from segments
if (($query = strpos(Router::$current_uri, '?')) !== FALSE)
{
list (Router::$current_uri, $query) = explode('?', Router::$current_uri, 2);
// Parse the query string into $_GET
parse_str($query, $_GET);
// Convert $_GET to UTF-8
$_GET = utf8::clean($_GET);
}
}
}
elseif (isset($_GET['kohana_uri']))
{
// Use the URI defined in the query string
Router::$current_uri = $_GET['kohana_uri'];
// Remove the URI from $_GET
unset($_GET['kohana_uri']);
// Remove the URI from $_SERVER['QUERY_STRING']
$_SERVER['QUERY_STRING'] = preg_replace('~\bkohana_uri\b[^&]*+&?~', '', $_SERVER['QUERY_STRING']);
}
elseif (isset($_SERVER['PATH_INFO']) AND $_SERVER['PATH_INFO'])
{
Router::$current_uri = $_SERVER['PATH_INFO'];
}
elseif (isset($_SERVER['ORIG_PATH_INFO']) AND $_SERVER['ORIG_PATH_INFO'])
{
Router::$current_uri = $_SERVER['ORIG_PATH_INFO'];
}
elseif (isset($_SERVER['PHP_SELF']) AND $_SERVER['PHP_SELF'])
{
Router::$current_uri = $_SERVER['PHP_SELF'];
}
// The front controller directory and filename
$fc = substr(realpath($_SERVER['SCRIPT_FILENAME']), strlen(DOCROOT));
if (($strpos_fc = strpos(Router::$current_uri, $fc)) !== FALSE)
{
// Remove the front controller from the current uri
Router::$current_uri = substr(Router::$current_uri, $strpos_fc + strlen($fc));
}
// Remove slashes from the start and end of the URI
Router::$current_uri = trim(Router::$current_uri, '/');
if (Router::$current_uri !== '')
{
if ($suffix = Kohana::config('core.url_suffix') AND strpos(Router::$current_uri, $suffix) !== FALSE)
{
// Remove the URL suffix
Router::$current_uri = preg_replace('#'.preg_quote($suffix).'$#u', '', Router::$current_uri);
// Set the URL suffix
Router::$url_suffix = $suffix;
}
// Reduce multiple slashes into single slashes
Router::$current_uri = preg_replace('#//+#', '/', Router::$current_uri);
}
}
/**
* Generates routed URI from given URI.
*
* @param string URI to convert
* @return string Routed uri
*/
public static function routed_uri($uri)
{
if (Router::$routes === NULL)
{
// Load routes
Router::$routes = Kohana::config('routes');
}
// Prepare variables
$routed_uri = $uri = trim($uri, '/');
if (isset(Router::$routes[$uri]))
{
// Literal match, no need for regex
$routed_uri = Router::$routes[$uri];
}
else
{
// Loop through the routes and see if anything matches
foreach (Router::$routes as $key => $val)
{
if ($key === '_default') continue;
// Trim slashes
$key = trim($key, '/');
$val = trim($val, '/');
if (preg_match('#^'.$key.'$#u', $uri))
{
if (strpos($val, '$') !== FALSE)
{
// Use regex routing
$routed_uri = preg_replace('#^'.$key.'$#u', $val, $uri);
}
else
{
// Standard routing
$routed_uri = $val;
}
// A valid route has been found
break;
}
}
}
if (isset(Router::$routes[$routed_uri]))
{
// Check for double routing (without regex)
$routed_uri = Router::$routes[$routed_uri];
}
return trim($routed_uri, '/');
}
} // End Router
|
