public static function startNewSession($username, $password, $gcm_id)
{
$success = true;
//test if the username and password are correct
if (user::isLogin($username, $password)) {
//retrieve user info
$user_info = user::getUserByUsername($username);
$e = user::setGCM($user_info['id'], $gcm_id);
$success = $success && $e;
//check if user has existing session:
if (session::does_user_have_session($user_info['id'])) {
//remove the session
$session_info = session::get_last_session_for_user_id($user_info['id']);
session::delete_session_by_id($session_info['id']);
}
//generate a unique hash
$newHash = md5(random::generateString(10));
while (!session::is_unique_hash($newHash)) {
$newHash = md5(random::generateString(10));
}
//create a session
$res = session::add_new_session($user_info['id'], $newHash, "0");
$success = $success && $res;
if (!$success) {
Execute::$lastErrorMessage = "failed to add new changes to database";
Report::error(__METHOD__ . "," . __LINE__, "failed to new cahnges to database");
}
return $success;
} else {
Execute::$lastErrorMessage = "trying to login with an incorrect username or password";
Report::warning(__METHOD__ . "," . __LINE__, "trying to login with an incorrect username or password");
return false;
//trying to log in with an incorrect username or password
}
}
public static function salt()
{
return random::generateString(5);
}
