]>
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 global $session_connection;
24 function session_get_schema_version($link, $nocache = false) {
25 global $schema_version;
27 if (!$schema_version) {
28 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
29 $version = db_fetch_result($result, 0, "schema_version");
30 $schema_version = $version;
33 return $schema_version;
37 function validate_session($link) {
38 if (SINGLE_USER_MODE
) return true;
39 if (!$link) return false;
41 $check_ip = $_SESSION['ip_address'];
43 switch (SESSION_CHECK_ADDRESS
) {
48 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+
1);
51 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.'));
52 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+
1);
56 if ($check_ip && strpos($_SERVER['REMOTE_ADDR'], $check_ip) !== 0) {
57 $_SESSION["login_error_msg"] =
58 __("Session failed to validate (incorrect IP)");
62 if ($_SESSION["ref_schema_version"] != session_get_schema_version($link, true))
65 if (sha1($_SERVER['HTTP_USER_AGENT']) != $_SESSION["user_agent"])
68 if ($_SESSION["uid"]) {
69 $result = db_query($link,
70 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
73 if (db_num_rows($result) == 0) {
76 $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
78 if ($pwd_hash != $_SESSION["pwd_hash"]) {
84 /* if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
88 if (time() > $_SESSION["cookie_lifetime"]) {
97 function ttrss_open ($s, $n) {
98 global $session_connection;
100 $session_connection = db_connect(DB_HOST
, DB_USER
, DB_PASS
, DB_NAME
);
105 function ttrss_read ($id){
107 global $session_connection,$session_read;
109 $query = "SELECT data FROM ttrss_sessions WHERE id='$id'";
111 $res = db_query($session_connection, $query);
113 if (db_num_rows($res) != 1) {
116 $session_read = db_fetch_assoc($res);
117 $session_read["data"] = base64_decode($session_read["data"]);
118 return $session_read["data"];
122 function ttrss_write ($id, $data) {
128 global $session_connection, $session_read, $session_expire;
130 $expire = time() +
$session_expire;
132 $data = db_escape_string($session_connection, base64_encode($data), false);
135 $query = "UPDATE ttrss_sessions SET data='$data',
136 expire='$expire' WHERE id='$id'";
138 $query = "INSERT INTO ttrss_sessions (id, data, expire)
139 VALUES ('$id', '$data', '$expire')";
142 db_query($session_connection, $query);
146 function ttrss_close () {
148 global $session_connection;
150 //db_close($session_connection);
155 function ttrss_destroy ($id) {
157 global $session_connection;
159 $query = "DELETE FROM ttrss_sessions WHERE id = '$id'";
161 db_query($session_connection, $query);
166 function ttrss_gc ($expire) {
168 global $session_connection;
170 $query = "DELETE FROM ttrss_sessions WHERE expire < " . time();
172 db_query($session_connection, $query);
175 if (!SINGLE_USER_MODE
/* && DB_TYPE == "pgsql" */) {
176 session_set_save_handler("ttrss_open",
177 "ttrss_close", "ttrss_read", "ttrss_write",
178 "ttrss_destroy", "ttrss_gc");
181 if (!defined('TTRSS_SESSION_NAME') || TTRSS_SESSION_NAME
!= 'ttrss_api_sid') {
182 if (isset($_COOKIE[$session_name])) {
185 if (!isset($_SESSION["uid"]) ||
!$_SESSION["uid"] ||
!validate_session($session_connection)) {
187 setcookie(session_name(), '', time()-42000, '/');