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36bfab86 AD |
1 | <? |
2 | // Original from http://www.daniweb.com/code/snippet43.html | |
3 | ||
4 | require_once "config.php"; | |
5 | require_once "db.php"; | |
6 | ||
7 | $session_expire = 600; | |
8 | ||
9 | ini_set("session.gc_probability", 50); | |
10 | ||
11 | function open ($s, $n) { | |
12 | ||
13 | global $session_connection; | |
14 | ||
15 | $session_connection = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME); | |
16 | ||
17 | return true; | |
18 | } | |
19 | ||
20 | function read ($id){ | |
21 | ||
22 | global $session_connection,$session_read; | |
23 | ||
24 | $query = "SELECT data FROM ttrss_sessions WHERE id='$id'"; | |
25 | ||
26 | $res = db_query($session_connection, $query); | |
27 | ||
28 | if (db_num_rows($res) != 1) { | |
29 | return ""; | |
30 | } else { | |
31 | $session_read = db_fetch_assoc($res); | |
32 | $session_read["data"] = base64_decode($session_read["data"]); | |
33 | return $session_read["data"]; | |
34 | } | |
35 | } | |
36 | ||
37 | function write ($id, $data) { | |
38 | ||
39 | if (! $data) { | |
40 | return false; | |
41 | } | |
42 | ||
43 | global $session_connection, $session_read, $session_expire; | |
44 | ||
45 | $expire = time() + $session_expire; | |
46 | ||
47 | $data = db_escape_string(base64_encode($data), $session_connection); | |
48 | ||
49 | if ($session_read) { | |
50 | $query = "UPDATE ttrss_sessions SET data='$data', | |
51 | expire='$expire' WHERE id='$id'"; | |
52 | } else { | |
53 | $query = "INSERT INTO ttrss_sessions (id, data, expire) | |
54 | VALUES ('$id', '$data', '$expire')"; | |
55 | } | |
56 | ||
57 | db_query($session_connection, $query); | |
58 | return true; | |
59 | } | |
60 | ||
61 | function close () { | |
62 | ||
63 | global $session_connection; | |
64 | ||
65 | db_close($session_connection); | |
66 | ||
67 | return true; | |
68 | } | |
69 | ||
70 | function destroy ($id) { | |
71 | ||
72 | global $session_connection; | |
73 | ||
74 | $query = "DELETE FROM ttrss_sessions WHERE id = '$id'"; | |
75 | ||
76 | db_query($session_connection, $query); | |
77 | ||
78 | return true; | |
79 | } | |
80 | ||
81 | function gc ($expire) { | |
82 | ||
83 | global $session_connection; | |
84 | ||
85 | $query = "DELETE FROM ttrss_sessions WHERE expire < " . time(); | |
86 | ||
87 | db_query($session_connection, $query); | |
88 | } | |
89 | ||
90 | session_set_save_handler ("open", "close", "read", "write", "destroy", "gc"); | |
91 | session_start(); | |
92 | ?> |