1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/** |
4
|
|
|
* GpsLab component. |
5
|
|
|
* |
6
|
|
|
* @author Peter Gribanov <[email protected]> |
7
|
|
|
* @copyright Copyright (c) 2016, Peter Gribanov |
8
|
|
|
* @license http://opensource.org/licenses/MIT |
9
|
|
|
*/ |
10
|
|
|
|
11
|
|
|
namespace GpsLab\Component\Interval\IPv4Network; |
12
|
|
|
|
13
|
|
|
use GpsLab\Component\Interval\Exception\InvalidIntervalFormatException; |
14
|
|
|
use GpsLab\Component\Interval\IntervalInterface; |
15
|
|
|
|
16
|
|
|
class IPv4Network implements IntervalInterface |
17
|
|
|
{ |
18
|
|
|
/** |
19
|
|
|
* @var string |
20
|
|
|
*/ |
21
|
|
|
const REGEXP = '/^ |
22
|
|
|
\s* |
23
|
|
|
(?<ip>\d{1,3}(?:\.\d{1,3}(?:\.\d{1,3}(?:\.\d{1,3})?)?)?) # IP supported compact format |
24
|
|
|
\/ # separator |
25
|
|
|
(?<cidr>\d{1,2}) # CIDR bit |
26
|
|
|
\s* |
27
|
|
|
$/x'; |
28
|
|
|
|
29
|
|
|
/** |
30
|
|
|
* @var IPv4NetworkPoint |
31
|
|
|
*/ |
32
|
|
|
private $start; |
33
|
|
|
|
34
|
|
|
/** |
35
|
|
|
* @var IPv4NetworkPoint |
36
|
|
|
*/ |
37
|
|
|
private $end; |
38
|
|
|
|
39
|
|
|
/** |
40
|
|
|
* @var IPv4NetworkMask |
41
|
|
|
*/ |
42
|
|
|
private $mask; |
43
|
|
|
|
44
|
|
|
/** |
45
|
|
|
* @var IPv4NetworkComparator |
46
|
|
|
*/ |
47
|
|
|
private $comparator; |
48
|
|
|
|
49
|
|
|
/** |
50
|
|
|
* @param IPv4NetworkPoint $ip |
51
|
|
|
* @param IPv4NetworkMask $mask |
52
|
|
|
*/ |
53
|
27 |
|
private function __construct(IPv4NetworkPoint $ip, IPv4NetworkMask $mask) |
54
|
|
|
{ |
55
|
27 |
|
$this->start = $ip; |
56
|
27 |
|
$this->mask = $mask; |
57
|
27 |
|
$this->end = new IPv4NetworkPoint(long2ip( |
58
|
27 |
|
$ip->value() + 2 ** (32 - $mask->cidr()) - 1 |
59
|
27 |
|
)); |
60
|
27 |
|
$this->comparator = new IPv4NetworkComparator($this); |
61
|
27 |
|
} |
62
|
|
|
|
63
|
|
|
/** |
64
|
|
|
* @param string $ip |
65
|
|
|
* @param int $cidr |
66
|
|
|
* |
67
|
|
|
* @return IPv4Network |
68
|
|
|
*/ |
69
|
24 |
|
public static function fromCIDR($ip, $cidr) |
70
|
|
|
{ |
71
|
24 |
|
return new self(new IPv4NetworkPoint($ip), IPv4NetworkMask::fromCIDR($cidr)); |
72
|
|
|
} |
73
|
|
|
|
74
|
|
|
/** |
75
|
|
|
* @param string $ip |
76
|
|
|
* @param string $mask |
77
|
|
|
* |
78
|
|
|
* @return IPv4Network |
79
|
|
|
*/ |
80
|
3 |
|
public static function fromMask($ip, $mask) |
81
|
|
|
{ |
82
|
3 |
|
return new self(new IPv4NetworkPoint($ip), IPv4NetworkMask::fromIP($mask)); |
83
|
|
|
} |
84
|
|
|
|
85
|
|
|
/** |
86
|
|
|
* Create network from string. |
87
|
|
|
* |
88
|
|
|
* Example formats of network: |
89
|
|
|
* 10.0.0.0/8 |
90
|
|
|
* 172.16.0.0/12 |
91
|
|
|
* 192.168.0.0/16 |
92
|
|
|
* |
93
|
|
|
* Supported compact format: |
94
|
|
|
* 10/8 |
95
|
|
|
* 172.16/12 |
96
|
|
|
* 192.168/16 |
97
|
|
|
* |
98
|
|
|
* Spaces are ignored in format. |
99
|
|
|
* |
100
|
|
|
* @param string $string |
101
|
|
|
* |
102
|
|
|
* @return self |
103
|
|
|
*/ |
104
|
21 |
|
public static function fromString($string) |
105
|
|
|
{ |
106
|
21 |
|
if (!preg_match(self::REGEXP, $string, $match)) { |
107
|
|
|
throw InvalidIntervalFormatException::create('0.0.0.0/32', $string); |
108
|
|
|
} |
109
|
|
|
|
110
|
|
|
// fill IP compact format |
111
|
21 |
|
$match['ip'] .= str_repeat('.0', 3 - substr_count($match['ip'], '.')); |
112
|
|
|
|
113
|
21 |
|
return self::fromCIDR($match['ip'], $match['cidr']); |
114
|
|
|
} |
115
|
|
|
|
116
|
|
|
/** |
117
|
|
|
* Checks if this network is equal to the specified network. |
118
|
|
|
* |
119
|
|
|
* @param IPv4Network $network |
120
|
|
|
* |
121
|
|
|
* @return bool |
122
|
|
|
*/ |
123
|
|
|
public function equal(IPv4Network $network) |
124
|
|
|
{ |
125
|
|
|
return $this->comparator->equal($network); |
126
|
|
|
} |
127
|
|
|
|
128
|
|
|
/** |
129
|
|
|
* Does this network contain the specified IP. |
130
|
|
|
* |
131
|
|
|
* @param string $point |
132
|
|
|
* |
133
|
|
|
* @return bool |
134
|
|
|
*/ |
135
|
6 |
|
public function contains($point) |
136
|
|
|
{ |
137
|
6 |
|
return $this->comparator->contains(new IPv4NetworkPoint($point)); |
138
|
|
|
} |
139
|
|
|
|
140
|
|
|
/** |
141
|
|
|
* Does this network intersect the specified network. |
142
|
|
|
* |
143
|
|
|
* @param IPv4Network $network |
144
|
|
|
* |
145
|
|
|
* @return bool |
146
|
|
|
*/ |
147
|
3 |
|
public function intersects(IPv4Network $network) |
148
|
|
|
{ |
149
|
3 |
|
return $this->comparator->intersects($network); |
150
|
|
|
} |
151
|
|
|
|
152
|
|
|
/** |
153
|
|
|
* Does this network abut with the network specified. |
154
|
|
|
* |
155
|
|
|
* @param IPv4Network $network |
156
|
|
|
* |
157
|
|
|
* @return bool |
158
|
|
|
*/ |
159
|
|
|
public function abuts(IPv4Network $network) |
160
|
|
|
{ |
161
|
|
|
return $this->comparator->abuts($network); |
162
|
|
|
} |
163
|
|
|
|
164
|
|
|
/** |
165
|
|
|
* @param int $step |
166
|
|
|
* |
167
|
|
|
* @return \Generator |
168
|
|
|
*/ |
169
|
|
|
public function iterate($step = 1) |
170
|
|
|
{ |
171
|
|
|
$end = $this->endPoint()->value(); |
172
|
|
|
$ip = $this->startPoint()->value(); |
173
|
|
|
|
174
|
|
|
while ($ip < $end) { |
175
|
|
|
yield long2ip($ip); |
176
|
|
|
$ip += $step; |
177
|
|
|
} |
178
|
|
|
} |
179
|
|
|
|
180
|
|
|
/** |
181
|
|
|
* @return string |
182
|
|
|
*/ |
183
|
16 |
|
public function start() |
184
|
|
|
{ |
185
|
16 |
|
return (string) $this->start; |
186
|
|
|
} |
187
|
|
|
|
188
|
|
|
/** |
189
|
|
|
* @return string |
190
|
|
|
*/ |
191
|
16 |
|
public function end() |
192
|
|
|
{ |
193
|
16 |
|
return (string) $this->end; |
194
|
|
|
} |
195
|
|
|
|
196
|
|
|
/** |
197
|
|
|
* @return IPv4NetworkMask |
198
|
|
|
*/ |
199
|
22 |
|
public function mask() |
200
|
|
|
{ |
201
|
22 |
|
return $this->mask; |
202
|
|
|
} |
203
|
|
|
|
204
|
|
|
/** |
205
|
|
|
* @return int |
206
|
|
|
*/ |
207
|
16 |
|
public function cidr() |
208
|
|
|
{ |
209
|
16 |
|
return $this->mask->cidr(); |
210
|
|
|
} |
211
|
|
|
|
212
|
|
|
/** |
213
|
|
|
* @return IPv4NetworkPoint |
214
|
|
|
*/ |
215
|
12 |
|
public function startPoint() |
216
|
|
|
{ |
217
|
12 |
|
return $this->start; |
218
|
|
|
} |
219
|
|
|
|
220
|
|
|
/** |
221
|
|
|
* @return IPv4NetworkPoint |
222
|
|
|
*/ |
223
|
6 |
|
public function endPoint() |
224
|
|
|
{ |
225
|
6 |
|
return $this->end; |
226
|
|
|
} |
227
|
|
|
|
228
|
|
|
/** |
229
|
|
|
* @return string |
230
|
|
|
*/ |
231
|
1 |
|
public function __toString() |
232
|
|
|
{ |
233
|
1 |
|
return $this->start . '/' . $this->mask->cidr(); |
234
|
|
|
} |
235
|
|
|
} |
236
|
|
|
|