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 $session_name .= "_ssl";
17 ini_set("session.cookie_secure", true);
20 ini_set("session.gc_probability", 75);
21 ini_set("session.name", $session_name);
22 ini_set("session.use_only_cookies", true);
23 ini_set("session.gc_maxlifetime", $session_expire);
24 ini_set("session.cookie_lifetime", min(0, SESSION_COOKIE_LIFETIME
));
26 function session_get_schema_version() {
27 global $schema_version;
29 if (!$schema_version) {
30 $row = Db
::pdo()->query("SELECT schema_version FROM ttrss_version")->fetch();
32 $version = $row["schema_version"];
34 $schema_version = $version;
37 return $schema_version;
41 function validate_session() {
42 if (SINGLE_USER_MODE
) return true;
44 if (isset($_SESSION["ref_schema_version"]) && $_SESSION["ref_schema_version"] != session_get_schema_version()) {
45 $_SESSION["login_error_msg"] =
46 __("Session failed to validate (schema version changed)");
51 if ($_SESSION["uid"]) {
53 if (!defined('_SKIP_SESSION_ADDRESS_CHECKS') ||
!_SKIP_SESSION_ADDRESS_CHECKS
) {
54 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
55 $_SESSION["login_error_msg"] = __("Session failed to validate.");
60 if ($_SESSION["user_agent"] != sha1($_SERVER['HTTP_USER_AGENT'])) {
61 $_SESSION["login_error_msg"] = __("Session failed to validate.");
65 $sth = $pdo->prepare("SELECT pwd_hash FROM ttrss_users WHERE id = ?");
66 $sth->execute([$_SESSION['uid']]);
69 if ($row = $sth->fetch()) {
70 $pwd_hash = $row["pwd_hash"];
72 if ($pwd_hash != $_SESSION["pwd_hash"]) {
74 $_SESSION["login_error_msg"] =
75 __("Session failed to validate (password changed)");
81 $_SESSION["login_error_msg"] =
82 __("Session failed to validate (user not found)");
93 * @SuppressWarnings(PHPMD.UnusedFormalParameter)
95 function ttrss_open ($s, $n) {
99 function ttrss_read ($id){
100 global $session_expire;
102 $sth = Db
::pdo()->prepare("SELECT data FROM ttrss_sessions WHERE id=?");
103 $sth->execute([$id]);
105 if ($row = $sth->fetch()) {
106 return base64_decode($row["data"]);
109 $expire = time() +
$session_expire;
111 $sth = Db
::pdo()->prepare("INSERT INTO ttrss_sessions (id, data, expire)
113 $sth->execute([$id, $expire]);
121 function ttrss_write ($id, $data) {
122 global $session_expire;
124 $data = base64_encode($data);
125 $expire = time() +
$session_expire;
127 $sth = Db
::pdo()->prepare("UPDATE ttrss_sessions SET data=?, expire=? WHERE id=?");
128 $sth->execute([$data, $expire, $id]);
133 function ttrss_close () {
137 function ttrss_destroy($id) {
138 $sth = Db
::pdo()->prepare("DELETE FROM ttrss_sessions WHERE id = ?");
139 $sth->execute([$id]);
145 * @SuppressWarnings(PHPMD.UnusedFormalParameter)
147 function ttrss_gc ($expire) {
148 Db
::pdo()->query("DELETE FROM ttrss_sessions WHERE expire < " . time());
153 if (!SINGLE_USER_MODE
/* && DB_TYPE == "pgsql" */) {
154 session_set_save_handler("ttrss_open",
155 "ttrss_close", "ttrss_read", "ttrss_write",
156 "ttrss_destroy", "ttrss_gc");
157 register_shutdown_function('session_write_close');
160 if (!defined('NO_SESSION_AUTOSTART')) {
161 if (isset($_COOKIE[session_name()])) {
164 if (!$_SESSION['uid']) {