]>
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 "errorhandler.php";
7 require_once "lib/accept-to-gettext.php";
8 require_once "lib/gettext/gettext.inc";
9 require_once "version.php";
11 $session_expire = max(SESSION_COOKIE_LIFETIME
, 86400);
12 $session_name = (!defined('TTRSS_SESSION_NAME')) ?
"ttrss_sid" : TTRSS_SESSION_NAME
;
14 if (@$_SERVER['HTTPS'] == "on") {
15 $session_name .= "_ssl";
16 ini_set("session.cookie_secure", true);
19 ini_set("session.gc_probability", 75);
20 ini_set("session.name", $session_name);
21 ini_set("session.use_only_cookies", true);
22 ini_set("session.gc_maxlifetime", $session_expire);
23 ini_set("session.cookie_lifetime", min(0, SESSION_COOKIE_LIFETIME
));
25 global $session_connection;
27 function session_get_schema_version($link, $nocache = false) {
28 global $schema_version;
30 if (!$schema_version) {
31 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
32 $version = db_fetch_result($result, 0, "schema_version");
33 $schema_version = $version;
36 return $schema_version;
40 function validate_session($link) {
41 if (SINGLE_USER_MODE
) return true;
42 if (!$link) return false;
44 if (VERSION
!= $_SESSION["version"]) return false;
46 $check_ip = $_SESSION['ip_address'];
48 switch (SESSION_CHECK_ADDRESS
) {
53 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+
1);
56 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.'));
57 $check_ip = substr($check_ip, 0, strrpos($check_ip, '.')+
1);
61 if ($check_ip && strpos($_SERVER['REMOTE_ADDR'], $check_ip) !== 0) {
62 $_SESSION["login_error_msg"] =
63 __("Session failed to validate (incorrect IP)");
67 if ($_SESSION["ref_schema_version"] != session_get_schema_version($link, true))
70 if (sha1($_SERVER['HTTP_USER_AGENT']) != $_SESSION["user_agent"])
73 if ($_SESSION["uid"]) {
74 $result = db_query($link,
75 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
78 if (db_num_rows($result) == 0) {
81 $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
83 if ($pwd_hash != $_SESSION["pwd_hash"]) {
89 /* if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
93 if (time() > $_SESSION["cookie_lifetime"]) {
102 function ttrss_open ($s, $n) {
103 global $session_connection;
105 $session_connection = db_connect(DB_HOST
, DB_USER
, DB_PASS
, DB_NAME
);
110 function ttrss_read ($id){
112 global $session_connection,$session_read;
114 $query = "SELECT data FROM ttrss_sessions WHERE id='$id'";
116 $res = db_query($session_connection, $query);
118 if (db_num_rows($res) != 1) {
121 $session_read = db_fetch_assoc($res);
122 $session_read["data"] = base64_decode($session_read["data"]);
123 return $session_read["data"];
127 function ttrss_write ($id, $data) {
133 global $session_connection, $session_read, $session_expire;
135 $expire = time() +
$session_expire;
137 $data = db_escape_string($session_connection, base64_encode($data), false);
140 $query = "UPDATE ttrss_sessions SET data='$data',
141 expire='$expire' WHERE id='$id'";
143 $query = "INSERT INTO ttrss_sessions (id, data, expire)
144 VALUES ('$id', '$data', '$expire')";
147 db_query($session_connection, $query);
151 function ttrss_close () {
153 global $session_connection;
155 //db_close($session_connection);
160 function ttrss_destroy ($id) {
162 global $session_connection;
164 $query = "DELETE FROM ttrss_sessions WHERE id = '$id'";
166 db_query($session_connection, $query);
171 function ttrss_gc ($expire) {
173 global $session_connection;
175 $query = "DELETE FROM ttrss_sessions WHERE expire < " . time();
177 db_query($session_connection, $query);
180 if (!SINGLE_USER_MODE
/* && DB_TYPE == "pgsql" */) {
181 session_set_save_handler("ttrss_open",
182 "ttrss_close", "ttrss_read", "ttrss_write",
183 "ttrss_destroy", "ttrss_gc");
186 if (!defined('NO_SESSION_AUTOSTART')) {
187 if (isset($_COOKIE[session_name()])) {