]>
git.wh0rd.org - tt-rss.git/blob - include/sessions.php
2 // Original from http://www.daniweb.com/code/snippet43.html
4 require_once "config.php";
6 require_once "lib/accept-to-gettext.php";
7 require_once "lib/gettext/gettext.inc";
9 $session_expire = max(SESSION_COOKIE_LIFETIME
, 86400);
10 $session_name = (!defined('TTRSS_SESSION_NAME')) ?
"ttrss_sid" : TTRSS_SESSION_NAME
;
12 if (@$_SERVER['HTTPS'] == "on") {
13 $session_name .= "_ssl";
14 ini_set("session.cookie_secure", true);
17 ini_set("session.gc_probability", 50);
18 ini_set("session.name", $session_name);
19 ini_set("session.use_only_cookies", true);
20 ini_set("session.gc_maxlifetime", $session_expire);
22 function session_get_schema_version($link, $nocache = false) {
23 global $schema_version;
25 if (!$schema_version) {
26 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
27 $version = db_fetch_result($result, 0, "schema_version");
28 $schema_version = $version;
31 return $schema_version;
35 function validate_session($link) {
36 if (SINGLE_USER_MODE
) return true;
38 $check_ip = $_SESSION['ip_address'];
40 switch (SESSION_CHECK_ADDRESS
) {
45 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+
1);
48 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.'));
49 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+
1);
53 if ($check_ip && strpos($_SERVER['REMOTE_ADDR'], $check_ip) !== 0) {
54 $_SESSION["login_error_msg"] =
55 __("Session failed to validate (incorrect IP)");
59 if ($_SESSION["ref_schema_version"] != session_get_schema_version($link, true))
62 if (sha1($_SERVER['HTTP_USER_AGENT']) != $_SESSION["user_agent"])
65 if ($_SESSION["uid"]) {
66 $result = db_query($link,
67 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
70 if (db_num_rows($result) == 0) {
73 $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
75 if ($pwd_hash != $_SESSION["pwd_hash"]) {
81 /* if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
85 if (time() > $_SESSION["cookie_lifetime"]) {
94 function ttrss_open ($s, $n) {
96 global $session_connection;
98 $session_connection = db_connect(DB_HOST
, DB_USER
, DB_PASS
, DB_NAME
);
103 function ttrss_read ($id){
105 global $session_connection,$session_read;
107 $query = "SELECT data FROM ttrss_sessions WHERE id='$id'";
109 $res = db_query($session_connection, $query);
111 if (db_num_rows($res) != 1) {
114 $session_read = db_fetch_assoc($res);
115 $session_read["data"] = base64_decode($session_read["data"]);
116 return $session_read["data"];
120 function ttrss_write ($id, $data) {
126 global $session_connection, $session_read, $session_expire;
128 $expire = time() +
$session_expire;
130 $data = db_escape_string($session_connection, base64_encode($data), false);
133 $query = "UPDATE ttrss_sessions SET data='$data',
134 expire='$expire' WHERE id='$id'";
136 $query = "INSERT INTO ttrss_sessions (id, data, expire)
137 VALUES ('$id', '$data', '$expire')";
140 db_query($session_connection, $query);
144 function ttrss_close () {
146 global $session_connection;
148 //db_close($session_connection);
153 function ttrss_destroy ($id) {
155 global $session_connection;
157 $query = "DELETE FROM ttrss_sessions WHERE id = '$id'";
159 db_query($session_connection, $query);
164 function ttrss_gc ($expire) {
166 global $session_connection;
168 $query = "DELETE FROM ttrss_sessions WHERE expire < " . time();
170 db_query($session_connection, $query);
173 if (!SINGLE_USER_MODE
/* && DB_TYPE == "pgsql" */) {
174 session_set_save_handler("ttrss_open",
175 "ttrss_close", "ttrss_read", "ttrss_write",
176 "ttrss_destroy", "ttrss_gc");
179 if (!defined('TTRSS_SESSION_NAME') || TTRSS_SESSION_NAME
!= 'ttrss_api_sid') {
180 if (isset($_COOKIE[$session_name])) {
183 if (!isset($_SESSION["uid"]) ||
!$_SESSION["uid"] ||
!validate_session($session_connection)) {
185 setcookie(session_name(), '', time()-42000, '/');