function init_cookie()
{
global $conn, $cookie_lifetime;
if (!isset($_COOKIE['user'])) {
return array(init_anonymous_cookie(), false);
}
list($cookie_id, $cookie_password) = explode(':', $_COOKIE['user']);
$cookie_id = intval($cookie_id);
$result = $conn->query("SELECT hash, user, last_update FROM cookies " . "WHERE id = {$cookie_id} AND user IS NOT NULL");
$cookie_row = $result->fetch_assoc();
if (!$cookie_row || !password_verify($cookie_password, $cookie_row['hash'])) {
delete_cookie('user');
return array(init_anonymous_cookie(), false);
}
$time = round(microtime(true) * 1000);
// in milliseconds
if ($cookie_row['last_update'] + $cookie_lifetime * 1000 < $time) {
// Cookie is expired. Delete it...
delete_cookie('user');
$conn->query("DELETE c, i FROM cookies c LEFT JOIN ids i ON i.id = c.id " . "WHERE c.id = {$cookie_id}");
return array(init_anonymous_cookie(), false);
}
$conn->query("UPDATE cookies SET last_update = {$time} WHERE id = {$cookie_id}");
add_cookie('user', "{$cookie_id}:{$cookie_password}", $time);
return array((int) $cookie_row['user'], true);
}
require_once 'config.php';
require_once 'auth.php';
require_once 'calendar_lib.php';
header("Content-Type: application/json");
if ($https && !isset($_SERVER['HTTPS'])) {
// We're using mod_rewrite .htaccess for HTTPS redirect; this shouldn't happen
header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error', true, 500);
exit;
}
if (!user_logged_in()) {
exit(json_encode(array('error' => 'not_logged_in')));
}
if (!isset($_POST['password'])) {
exit(json_encode(array('error' => 'invalid_parameters')));
}
$user = get_viewer_id();
$password = $_POST['password'];
$result = $conn->query("SELECT hash FROM users WHERE id = {$user}");
$user_row = $result->fetch_assoc();
if (!$user_row) {
exit(json_encode(array('error' => 'internal_error')));
}
if (!password_verify($password, $user_row['hash'])) {
exit(json_encode(array('error' => 'invalid_credentials')));
}
$conn->query("DELETE u, iu, v, iv, c, ic, r FROM users u " . "LEFT JOIN ids iu ON iu.id = u.id " . "LEFT JOIN verifications v ON v.user = u.id " . "LEFT JOIN ids iv ON iv.id = v.id " . "LEFT JOIN cookies c ON c.user = u.id " . "LEFT JOIN ids ic ON ic.id = c.id " . "LEFT JOIN roles r ON r.user = u.id " . "WHERE u.id = {$user}");
// TODO figure out what to do what calendars this account admins
delete_cookie('user');
$anonymous_viewer = init_anonymous_cookie();
exit(json_encode(array('success' => true, 'calendar_infos' => get_calendar_infos($anonymous_viewer))));