]>
Commit | Line | Data |
---|---|---|
1d3a17c7 | 1 | <?php |
36bfab86 AD |
2 | // Original from http://www.daniweb.com/code/snippet43.html |
3 | ||
4 | require_once "config.php"; | |
5 | require_once "db.php"; | |
6 | ||
6cfd3c14 | 7 | $session_expire = max(SESSION_COOKIE_LIFETIME, 86400); |
3dd46f19 | 8 | $session_name = (!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME; |
36bfab86 | 9 | |
6addc13f | 10 | if (@$_SERVER['HTTPS'] == "on") { |
3d72afa1 AD |
11 | $session_name .= "_ssl"; |
12 | ini_set("session.cookie_secure", true); | |
13 | } | |
14 | ||
36bfab86 | 15 | ini_set("session.gc_probability", 50); |
3dd46f19 | 16 | ini_set("session.name", $session_name); |
c5466b7f | 17 | ini_set("session.use_only_cookies", true); |
6cfd3c14 | 18 | ini_set("session.gc_maxlifetime", $session_expire); |
36bfab86 | 19 | |
e9b74692 AD |
20 | function session_get_schema_version($link, $nocache = false) { |
21 | global $schema_version; | |
22 | ||
23 | if (!$schema_version) { | |
24 | $result = db_query($link, "SELECT schema_version FROM ttrss_version"); | |
25 | $version = db_fetch_result($result, 0, "schema_version"); | |
26 | $schema_version = $version; | |
27 | return $version; | |
28 | } else { | |
29 | return $schema_version; | |
30 | } | |
31 | } | |
32 | ||
33 | function validate_session($link) { | |
34 | if (SINGLE_USER_MODE) return true; | |
35 | ||
36 | $check_ip = $_SESSION['ip_address']; | |
37 | ||
38 | switch (SESSION_CHECK_ADDRESS) { | |
39 | case 0: | |
40 | $check_ip = ''; | |
41 | break; | |
42 | case 1: | |
43 | $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1); | |
44 | break; | |
45 | case 2: | |
46 | $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')); | |
47 | $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+1); | |
48 | break; | |
49 | }; | |
50 | ||
51 | if ($check_ip && strpos($_SERVER['REMOTE_ADDR'], $check_ip) !== 0) { | |
52 | $_SESSION["login_error_msg"] = | |
53 | __("Session failed to validate (incorrect IP)"); | |
54 | return false; | |
55 | } | |
56 | ||
57 | if ($_SESSION["ref_schema_version"] != session_get_schema_version($link, true)) | |
58 | return false; | |
59 | ||
60 | if ($_SESSION["uid"]) { | |
61 | $result = db_query($link, | |
62 | "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'"); | |
63 | ||
64 | // user not found | |
65 | if (db_num_rows($result) == 0) { | |
66 | return false; | |
67 | } else { | |
68 | $pwd_hash = db_fetch_result($result, 0, "pwd_hash"); | |
69 | ||
70 | if ($pwd_hash != $_SESSION["pwd_hash"]) { | |
71 | return false; | |
72 | } | |
73 | } | |
74 | } | |
75 | ||
76 | /* if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) { | |
77 | ||
78 | //print_r($_SESSION); | |
79 | ||
80 | if (time() > $_SESSION["cookie_lifetime"]) { | |
81 | return false; | |
82 | } | |
83 | } */ | |
84 | ||
85 | return true; | |
86 | } | |
87 | ||
88 | ||
5be00836 | 89 | function ttrss_open ($s, $n) { |
3d72afa1 | 90 | |
36bfab86 | 91 | global $session_connection; |
3d72afa1 | 92 | |
36bfab86 | 93 | $session_connection = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME); |
3d72afa1 | 94 | |
36bfab86 AD |
95 | return true; |
96 | } | |
97 | ||
5be00836 | 98 | function ttrss_read ($id){ |
3d72afa1 AD |
99 | |
100 | global $session_connection,$session_read; | |
36bfab86 | 101 | |
7a293008 | 102 | $query = "SELECT data FROM ttrss_sessions WHERE id='$id'"; |
36bfab86 AD |
103 | |
104 | $res = db_query($session_connection, $query); | |
3d72afa1 | 105 | |
36bfab86 AD |
106 | if (db_num_rows($res) != 1) { |
107 | return ""; | |
108 | } else { | |
109 | $session_read = db_fetch_assoc($res); | |
110 | $session_read["data"] = base64_decode($session_read["data"]); | |
111 | return $session_read["data"]; | |
112 | } | |
113 | } | |
114 | ||
5be00836 | 115 | function ttrss_write ($id, $data) { |
3d72afa1 AD |
116 | |
117 | if (! $data) { | |
118 | return false; | |
36bfab86 | 119 | } |
3d72afa1 | 120 | |
36bfab86 | 121 | global $session_connection, $session_read, $session_expire; |
3d72afa1 | 122 | |
36bfab86 | 123 | $expire = time() + $session_expire; |
3d72afa1 | 124 | |
3972bf59 | 125 | $data = db_escape_string($session_connection, base64_encode($data), false); |
3d72afa1 | 126 | |
36bfab86 | 127 | if ($session_read) { |
3d72afa1 AD |
128 | $query = "UPDATE ttrss_sessions SET data='$data', |
129 | expire='$expire' WHERE id='$id'"; | |
36bfab86 | 130 | } else { |
a2e9b457 AD |
131 | $query = "INSERT INTO ttrss_sessions (id, data, expire) |
132 | VALUES ('$id', '$data', '$expire')"; | |
36bfab86 | 133 | } |
3d72afa1 | 134 | |
36bfab86 AD |
135 | db_query($session_connection, $query); |
136 | return true; | |
137 | } | |
138 | ||
5be00836 | 139 | function ttrss_close () { |
3d72afa1 | 140 | |
36bfab86 | 141 | global $session_connection; |
3d72afa1 | 142 | |
3972bf59 | 143 | //db_close($session_connection); |
3d72afa1 | 144 | |
36bfab86 AD |
145 | return true; |
146 | } | |
147 | ||
5be00836 | 148 | function ttrss_destroy ($id) { |
3d72afa1 | 149 | |
36bfab86 | 150 | global $session_connection; |
09018e95 | 151 | |
7a293008 | 152 | $query = "DELETE FROM ttrss_sessions WHERE id = '$id'"; |
3d72afa1 | 153 | |
36bfab86 | 154 | db_query($session_connection, $query); |
3d72afa1 | 155 | |
36bfab86 AD |
156 | return true; |
157 | } | |
158 | ||
5be00836 | 159 | function ttrss_gc ($expire) { |
3d72afa1 | 160 | |
36bfab86 | 161 | global $session_connection; |
3d72afa1 | 162 | |
36bfab86 | 163 | $query = "DELETE FROM ttrss_sessions WHERE expire < " . time(); |
3d72afa1 | 164 | |
36bfab86 AD |
165 | db_query($session_connection, $query); |
166 | } | |
167 | ||
5c81e817 | 168 | if (!SINGLE_USER_MODE /* && DB_TYPE == "pgsql" */) { |
3d72afa1 AD |
169 | session_set_save_handler("ttrss_open", |
170 | "ttrss_close", "ttrss_read", "ttrss_write", | |
5be00836 | 171 | "ttrss_destroy", "ttrss_gc"); |
8fd92701 | 172 | } |
d620cfe7 | 173 | |
964f1533 | 174 | if (!defined('TTRSS_SESSION_NAME') || TTRSS_SESSION_NAME != 'ttrss_api_sid') { |
2137d674 | 175 | if (isset($_COOKIE[$session_name])) { |
5160620c | 176 | @session_start(); |
60ed4c9a | 177 | |
e9b74692 | 178 | if (!isset($_SESSION["uid"]) || !$_SESSION["uid"] || !validate_session($session_connection)) { |
60ed4c9a | 179 | session_destroy(); |
2137d674 | 180 | setcookie(session_name(), '', time()-42000, '/'); |
60ed4c9a | 181 | } |
5160620c | 182 | } |
964f1533 | 183 | } |
36bfab86 | 184 | ?> |