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1 | <?php | |
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 = SESSION_EXPIRE_TIME; //seconds | |
8 | $session_name = (!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME; | |
9 | ||
10 | ini_set("session.gc_probability", 50); | |
11 | ini_set("session.name", $session_name); | |
12 | ini_set("session.use_only_cookies", true); | |
13 | ini_set("session.gc_maxlifetime", SESSION_EXPIRE_TIME); | |
14 | ||
15 | function open ($s, $n) { | |
16 | ||
17 | global $session_connection; | |
18 | ||
19 | $session_connection = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME); | |
20 | ||
21 | return true; | |
22 | } | |
23 | ||
24 | function read ($id){ | |
25 | ||
26 | global $session_connection,$session_read; | |
27 | ||
28 | $query = "SELECT data FROM ttrss_sessions WHERE id='$id' $address_check_qpart"; | |
29 | ||
30 | $res = db_query($session_connection, $query); | |
31 | ||
32 | if (db_num_rows($res) != 1) { | |
33 | return ""; | |
34 | } else { | |
35 | $session_read = db_fetch_assoc($res); | |
36 | $session_read["data"] = base64_decode($session_read["data"]); | |
37 | return $session_read["data"]; | |
38 | } | |
39 | } | |
40 | ||
41 | function write ($id, $data) { | |
42 | ||
43 | if (! $data) { | |
44 | return false; | |
45 | } | |
46 | ||
47 | global $session_connection, $session_read, $session_expire; | |
48 | ||
49 | $expire = time() + $session_expire; | |
50 | ||
51 | $data = db_escape_string(base64_encode($data), $session_connection); | |
52 | ||
53 | if ($session_read) { | |
54 | $query = "UPDATE ttrss_sessions SET data='$data', | |
55 | expire='$expire' WHERE id='$id' $address_check_qpart"; | |
56 | } else { | |
57 | $query = "INSERT INTO ttrss_sessions (id, data, expire) | |
58 | VALUES ('$id', '$data', '$expire')"; | |
59 | } | |
60 | ||
61 | db_query($session_connection, $query); | |
62 | return true; | |
63 | } | |
64 | ||
65 | function close () { | |
66 | ||
67 | global $session_connection; | |
68 | ||
69 | db_close($session_connection); | |
70 | ||
71 | return true; | |
72 | } | |
73 | ||
74 | function destroy ($id) { | |
75 | ||
76 | global $session_connection; | |
77 | ||
78 | $query = "DELETE FROM ttrss_sessions WHERE id = '$id' $address_check_qpart"; | |
79 | ||
80 | db_query($session_connection, $query); | |
81 | ||
82 | return true; | |
83 | } | |
84 | ||
85 | function gc ($expire) { | |
86 | ||
87 | global $session_connection; | |
88 | ||
89 | $query = "DELETE FROM ttrss_sessions WHERE expire < " . time(); | |
90 | ||
91 | db_query($session_connection, $query); | |
92 | } | |
93 | ||
94 | if (DATABASE_BACKED_SESSIONS) { | |
95 | session_set_save_handler("open", "close", "read", "write", "destroy", "gc"); | |
96 | } | |
97 | ||
98 | session_set_cookie_params(SESSION_COOKIE_LIFETIME); | |
99 | ||
100 | session_start(); | |
101 | ?> |