blob: 7aa4aff057e9dc44591f8d7ab2e0b29a1dc76221 (
plain)
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
|
<?php /* Copyright (c) 2024 Freya Murphy */
$keys = array();
function load_key($key) {
$file = "/tmp/$key";
if (!file_exists($file))
return FALSE;
$content = explode("\n", file_get_contents($file));
return array(
'user' => $content[0],
'time' => $content[1]
);
}
function store_key($key, $user) {
$file = "/tmp/$key";
$now = (string)time();
$content = "$user\n{$now}";
file_put_contents($file, $content, LOCK_EX);
}
function get_random($n)
{
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$randomString = '';
for ($i = 0; $i < $n; $i++) {
$index = rand(0, strlen($characters) - 1);
$randomString .= $characters[$index];
}
return $randomString;
}
function key_auth() {
if (!isset($_SESSION['auth'])) {
return FALSE;
}
$key = $_SESSION['auth'];
$data = load_key($key);
if ($data === FALSE) {
return FALSE;
}
$user = $data['user'];
$time = $data['time'];
$now = time();
if ($time > $now || $now - $time > 60 * 60 * 24) {
return FALSE;
}
store_key($key, $user);
return $user;
}
function key_new($user) {
$key = get_random(128);
store_key($key, $user);
$_SESSION['auth'] = $key;
}
|
