ttrss/include/sessions.php

142 lines
3.8 KiB
PHP

<?php
namespace Sessions;
use UserHelper;
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", $session_expire);
ini_set("session.cookie_lifetime", "0");
// prolong PHP session cookie
if (isset($_COOKIE[$session_name]))
setcookie($session_name,
$_COOKIE[$session_name],
time() + $session_expire,
ini_get("session.cookie_path"),
ini_get("session.cookie_domain"),
ini_get("session.cookie_secure"),
ini_get("session.cookie_httponly"));
function validate_session(): bool {
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"]) {
$_SESSION["login_error_msg"] = __("Session failed to validate (password changed)");
return false;
}
if ($user->access_level == UserHelper::ACCESS_LEVEL_DISABLED) {
$_SESSION["login_error_msg"] = __("Session failed to validate (account is disabled)");
return false;
}
} else {
$_SESSION["login_error_msg"] = __("Session failed to validate (user not found)");
return false;
}
}
return true;
}
function ttrss_open(string $savePath, string $sessionName): bool {
return true;
}
function ttrss_read(string $id): string {
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(string $id, string $data): bool {
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 ($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(): bool {
return true;
}
function ttrss_destroy(string $id): bool {
$sth = \Db::pdo()->prepare("DELETE FROM ttrss_sessions WHERE id = ?");
$sth->execute([$id]);
return true;
}
function ttrss_gc(int $lifetime): bool {
\Db::pdo()->query("DELETE FROM ttrss_sessions WHERE expire < " . time());
return true;
}
if (\Config::get_schema_version() >= 0) {
session_set_save_handler('\Sessions\ttrss_open',
'\Sessions\ttrss_close', '\Sessions\ttrss_read',
'\Sessions\ttrss_write', '\Sessions\ttrss_destroy',
'\Sessions\ttrss_gc'); // @phpstan-ignore-line
// PHPStan complains about '\Sessions\ttrss_gc' if its $lifetime param isn't marked as string,
// but the docs say it's an int. If it is actually a string it'll get coerced to an int.
register_shutdown_function('session_write_close');
if (!defined('NO_SESSION_AUTOSTART')) {
if (isset($_COOKIE[session_name()])) {
if (session_status() != PHP_SESSION_ACTIVE)
session_start();
}
}
}