forked from Markus-Go/ip-countryside
-
Notifications
You must be signed in to change notification settings - Fork 0
/
lookup.php
171 lines (158 loc) · 5 KB
/
lookup.php
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
<?php
/**
* Copyright 2007 Deutsches Forschungszentrum fuer Kuenstliche Intelligenz
* or its licensors, as applicable.
* Copyright 2008-2019 Markus Goldstein
*
* You may not use this file except under the terms of the accompanying license.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Project: ip-countryside
* File: lookup.php
* Purpose: PHP lookup demo client
* Responsible: Markus Goldstein
* Primary Repository: https://github.com/Markus-Go/ip-countryside/
* Web Sites: madm.dfki.de, www.goldiges.de/ip-countryside
*
*/
if (!isset($_GET["ip"] )) {
$ip = $_SERVER["REMOTE_ADDR"];
// if IPv6, replace by server IP
if (!filter_var($ip, FILTER_VALIDATE_IP,FILTER_FLAG_IPV4)) {
$ip = "37.221.195.97"; // $_SERVER["SERVER_ADDR"];
}
} else {
$ip = strip_tags(trim($_GET["ip"]));
}
$dlText = "The database is generated weekly. It can be dowloaded as a <a href=\"https://github.com/Markus-Go/ip-countryside/raw/downloads/ip2country.zip\">zip-file</a>.<br>";
$file = fopen("ip2country.db", "r") or die("Unable to open IP DB!");
if (file_exists("ip2country.zip")) {
$last_modified = date("l, dS F Y, h:i a", filemtime("ip2country.zip"));
$db_size = ceil(filesize("ip2country.zip")/1024);
$dlText = "The database is generated weekly and was last created on " . $last_modified . " (CEST).<br> It can be dowloaded as a <a href=\"ip2country.zip\">zip-file</a> (" . $db_size . " kb).<br/>";
}
while(!feof($file)) {
$line = fgets($file);
if (substr_count($line," ") == 2) {
list($start_ip[], $end_ip[], $country[]) = explode(" ",$line);
}
}
$isValid = filter_var($ip, FILTER_VALIDATE_IP,FILTER_FLAG_IPV4);
if ($isValid) {
list($a, $b, $c, $d) = explode(".",$ip);
$ipvalue = (int)$a*256*256*256 + (int)$b*256*256 + (int)$c*256 + (int)$d;
} else {
$comment = "You entered an invalid IP address!";
fclose($file);
}
if ($isValid) {
$cn = $country[binSearch(0,count($start_ip),$ipvalue)];
$cn_name = "Unknown";
$flag = strtolower($cn);
$handle = fopen ("countries.txt","r") or die("Unable to open countries.txt!");
while ( ($data = fgetcsv ($handle, 1000, ";")) !== FALSE ) {
if(trim($data[1]) == trim($cn)) {
$cn_name = ucfirst(strtolower($data[0]));
}
}
fclose($file);
}
function binSearch($start,$end,$search) {
global $start_ip, $end_ip;
$mid = $start+(int)(($end-$start)/2);
if ($end < $start) {
return -1;
}
if ($search < (int)$start_ip[$mid]) {
return binSearch($start, $mid-1, $search);
}
else if ($search > (int)$end_ip[$mid]) {
return binSearch($mid+1, $end, $search);
}
else return $mid;
}
function ip2int($ip) {
list($a, $b, $c, $d) = explode(".",$ip);
return (int)$a*256*256*256 + (int)$b*256*256 + (int)$c*256 + (int)$d;
}
?>
<html>
<head>
<title>Country Lookup Demo</title>
</head>
<body>
<H1>Country Lookup Demo</H1>
<p>
Here we provide an on-line demo of our <a href="https://github.com/Markus-Go/ip-countryside/" target="_BLANK">ip-countryside</a> project.<br>
<?php print $dlText ?>
For more details please contact <a href="https://www.goldiges.de/contact" target="_BLANK">Markus Goldstein</a>.
</p>
<div align="center">
<form method="get" action="<?php echo $_SERVER['SCRIPT_NAME'];?>">
<font face="Arial" size="2"> IP Address: <input type="text" size="30" maxlength="15" name="ip" value="<?php print $ip; ?>"> </font><br />
<input type="submit" value="Find">
</form>
</div>
<br/><br/>
<table width="600" border="1" cellspacing="0" cellpadding="3" align="center">
<tr>
<td> <font face="Arial" size="2">IP Address:</font> </td>
<td> <font face="Arial" size="2"><b> <?php print($ip); ?></b></font> </td>
</tr>
<tr>
<td><font face="Arial" size="2">Country Flag:</font></td>
<td><font face="Arial" size="2"><b>
<?php
if (!$isValid || empty($cn) ) {
print ("-");
}
else
print("<img src=\"flags/".$flag.".gif\">");
?>
</b></font></td>
</tr>
<tr>
<td><font face="Arial" size="2">ISO Country Code: </font></td>
<td><font face="Arial" size="2"><b>
<?php
if (!$isValid ||empty($cn)) {
print ("-");
}
else
print($cn);
?>
</b> </font></td>
</tr>
<tr>
<td><font face="Arial" size="2">Country:</font> </td>
<td><font face="Arial" size="2"><b>
<?php
if (!$isValid || empty($cn)) {
print ("-");
}
else
print($cn_name);
?>
</b> </font></td>
</tr>
<tr>
<td><font face="Arial" size="2">Comment: </font> </td>
<td><font face="Arial" size="2"><b>
<?php
if (!$isValid ) {
print ($comment);
}
else if (empty($cn))
print("Not Assigned");
else print("-");
?>
</b> </font></td>
</tr>
</table>
</body>
</html>