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<?php
namespace Sessions;
require_once "autoload.php";
require_once "functions.php";
require_once "errorhandler.php";
require_once "lib/gettext/gettext.inc.php";
$session_expire = min(2147483647 - time() - 1, max(\Config::get(\Config::SESSION_COOKIE_LIFETIME), 86400));
$session_name = \Config::get(\Config::SESSION_NAME);
if (\Config::is_server_https()) {
ini_set("session.cookie_secure", "true");
}
ini_set("session.gc_probability", "75");
ini_set("session.name", $session_name);
ini_set("session.use_only_cookies", "true");
ini_set("session.gc_maxlifetime", $session_expire);
ini_set("session.cookie_lifetime", "0");
function validate_session() {
if (\Config::get(\Config::SINGLE_USER_MODE)) return true;
$pdo = \Db::pdo();
if (!empty($_SESSION["uid"])) {
$user = \ORM::for_table('ttrss_users')->find_one($_SESSION["uid"]);
if ($user) {
if ($user->pwd_hash != $_SESSION["pwd_hash"]) {
$_SESSION["login_error_msg"] = __("Session failed to validate (password changed)");
return false;
}
} else {
$_SESSION["login_error_msg"] = __("Session failed to validate (user not found)");
return false;
}
}
return true;
}
function ttrss_open ($s, $n) {
return true;
}
function ttrss_read ($id){
global $session_expire;
$sth = \Db::pdo()->prepare("SELECT data FROM ttrss_sessions WHERE id=?");
$sth->execute([$id]);
if ($row = $sth->fetch()) {
return base64_decode($row["data"]);
} else {
$expire = time() + $session_expire;
$sth = \Db::pdo()->prepare("INSERT INTO ttrss_sessions (id, data, expire)
VALUES (?, '', ?)");
$sth->execute([$id, $expire]);
return "";
}
}
function ttrss_write ($id, $data) {
global $session_expire;
$data = base64_encode($data);
$expire = time() + $session_expire;
$sth = \Db::pdo()->prepare("SELECT id FROM ttrss_sessions WHERE id=?");
$sth->execute([$id]);
if ($row = $sth->fetch()) {
$sth = \Db::pdo()->prepare("UPDATE ttrss_sessions SET data=?, expire=? WHERE id=?");
$sth->execute([$data, $expire, $id]);
} else {
$sth = \Db::pdo()->prepare("INSERT INTO ttrss_sessions (id, data, expire)
VALUES (?, ?, ?)");
$sth->execute([$id, $data, $expire]);
}
return true;
}
function ttrss_close () {
return true;
}
function ttrss_destroy($id) {
$sth = \Db::pdo()->prepare("DELETE FROM ttrss_sessions WHERE id = ?");
$sth->execute([$id]);
return true;
}
function ttrss_gc ($expire) {
\Db::pdo()->query("DELETE FROM ttrss_sessions WHERE expire < " . time());
return true;
}
if (\Config::get_schema_version() >= 0) {
if (!\Config::get(\Config::SINGLE_USER_MODE)) {
session_set_save_handler('\Sessions\ttrss_open',
'\Sessions\ttrss_close', '\Sessions\ttrss_read',
'\Sessions\ttrss_write', '\Sessions\ttrss_destroy',
'\Sessions\ttrss_gc');
register_shutdown_function('session_write_close');
}
if (!defined('NO_SESSION_AUTOSTART')) {
if (isset($_COOKIE[session_name()])) {
if (session_status() != PHP_SESSION_ACTIVE)
session_start();
}
}
}