2 // Original from http://www.daniweb.com/code/snippet43.html
4 require_once "config.php";
5 require_once "classes/db.php";
6 require_once "autoload.php";
7 require_once "errorhandler.php";
8 require_once "lib/accept-to-gettext.php";
9 require_once "lib/gettext/gettext.inc";
10 require_once "version.php";
12 $session_expire = min(2147483647 - time() - 1, max(SESSION_COOKIE_LIFETIME
, 86400));
13 $session_name = (!defined('TTRSS_SESSION_NAME')) ?
"ttrss_sid" : TTRSS_SESSION_NAME
;
15 if (is_server_https()) {
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 function session_get_schema_version() {
26 global $schema_version;
28 if (!$schema_version) {
29 $row = Db
::pdo()->query("SELECT schema_version FROM ttrss_version")->fetch();
31 $version = $row["schema_version"];
33 $schema_version = $version;
36 return $schema_version;
40 function validate_session() {
41 if (SINGLE_USER_MODE
) return true;
43 if (isset($_SESSION["ref_schema_version"]) && $_SESSION["ref_schema_version"] != session_get_schema_version()) {
44 $_SESSION["login_error_msg"] =
45 __("Session failed to validate (schema version changed)");
50 if ($_SESSION["uid"]) {
52 if (!defined('_SKIP_SESSION_ADDRESS_CHECKS') ||
!_SKIP_SESSION_ADDRESS_CHECKS
) {
53 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
54 $_SESSION["login_error_msg"] = __("Session failed to validate.");
59 if ($_SESSION["user_agent"] != sha1($_SERVER['HTTP_USER_AGENT'])) {
60 $_SESSION["login_error_msg"] = __("Session failed to validate.");
64 $sth = $pdo->prepare("SELECT pwd_hash FROM ttrss_users WHERE id = ?");
65 $sth->execute([$_SESSION['uid']]);
68 if ($row = $sth->fetch()) {
69 $pwd_hash = $row["pwd_hash"];
71 if ($pwd_hash != $_SESSION["pwd_hash"]) {
73 $_SESSION["login_error_msg"] =
74 __("Session failed to validate (password changed)");
80 $_SESSION["login_error_msg"] =
81 __("Session failed to validate (user not found)");
92 * @SuppressWarnings(PHPMD.UnusedFormalParameter)
94 function ttrss_open ($s, $n) {
98 function ttrss_read ($id){
99 global $session_expire;
101 $sth = Db
::pdo()->prepare("SELECT data FROM ttrss_sessions WHERE id=?");
102 $sth->execute([$id]);
104 if ($row = $sth->fetch()) {
105 return base64_decode($row["data"]);
108 $expire = time() +
$session_expire;
110 $sth = Db
::pdo()->prepare("INSERT INTO ttrss_sessions (id, data, expire)
112 $sth->execute([$id, $expire]);
120 function ttrss_write ($id, $data) {
121 global $session_expire;
123 $data = base64_encode($data);
124 $expire = time() +
$session_expire;
126 $sth = Db
::pdo()->prepare("UPDATE ttrss_sessions SET data=?, expire=? WHERE id=?");
127 $sth->execute([$data, $expire, $id]);
132 function ttrss_close () {
136 function ttrss_destroy($id) {
137 $sth = Db
::pdo()->prepare("DELETE FROM ttrss_sessions WHERE id = ?");
138 $sth->execute([$id]);
144 * @SuppressWarnings(PHPMD.UnusedFormalParameter)
146 function ttrss_gc ($expire) {
147 Db
::pdo()->query("DELETE FROM ttrss_sessions WHERE expire < " . time());
152 if (!SINGLE_USER_MODE
/* && DB_TYPE == "pgsql" */) {
153 session_set_save_handler("ttrss_open",
154 "ttrss_close", "ttrss_read", "ttrss_write",
155 "ttrss_destroy", "ttrss_gc");
156 register_shutdown_function('session_write_close');
159 if (!defined('NO_SESSION_AUTOSTART')) {
160 if (isset($_COOKIE[session_name()])) {