getMessage(); die(); } } public function getUser ($userName) { try { $user = Db::loadOne ("SELECT * FROM users WHERE username = ?", [$userName]); return $user; } catch(PDOException $error) { echo $error->getMessage(); die(); } } public function getUserId ($userId) { try { $user = Db::loadOne ("SELECT * FROM users WHERE user_id = ?", [$userId]); return $user; } catch(PDOException $error) { echo $error->getMessage(); die(); } } public function getAvatarUrl($userId = null){ $email = self::getUserData('email'); if ($userId != null){ $email = self::getUserData('email',$userId); } return 'https://secure.gravatar.com/avatar/' . md5( strtolower( trim( $email ) ) ); } public function login ($username, $password, $rememberMe) { try { if ($user = Db::loadOne ('SELECT * FROM users WHERE LOWER(username)=LOWER(?)', array ($username))) { if ($user['password'] == UserManager::getHashPassword($password)) { if (isset($rememberMe) && $rememberMe == 'true') { setcookie ("rememberMe", $this->setEncryptedCookie($user['username']), time () + (30 * 24 * 60 * 60 * 1000), BASEDIR, $_SERVER['HTTP_HOST'], 1); } $_SESSION['user']['id'] = $user['user_id']; $page = ""; if ($user["startPage"] == 1) { $page = "dashboard"; } unset($_POST['login']); return $page; } else { throw new PDOException("Heslo není správné!"); } } else { throw new PDOException("Uživatel s tím to jménem neexistuje!"); } } catch(PDOException $error) { echo $error->getMessage(); die(); } } public function isLogin () { if (isset ($_SESSION['user']) && isset($_SESSION['user']['id'])) { return true; } else { if (isset ($_COOKIE['rememberMe'])){ if ($user = Db::loadOne ('SELECT * FROM users WHERE LOWER(username)=LOWER(?)', array ($this->getDecryptedCookie($_COOKIE['rememberMe'])))) { $_SESSION['user']['id'] = $user['user_id']; return true; } } } return false; } public function logout () { unset($_SESSION['user']); session_destroy(); if (isset($_COOKIE['rememberMe'])){ unset($_COOKIE['rememberMe']); setcookie("rememberMe", 'false', time(), BASEDIR, $_SERVER['HTTP_HOST']); } } public function setEncryptedCookie($value){ $first_key = base64_decode(FIRSTKEY); $second_key = base64_decode(SECONDKEY); $method = "aes-256-cbc"; $ivlen = openssl_cipher_iv_length($method); $iv = openssl_random_pseudo_bytes($ivlen); $newvalue_raw = openssl_encrypt($value, $method, $first_key, OPENSSL_RAW_DATA, $iv); $hmac = hash_hmac('sha256', $newvalue_raw, $second_key, TRUE); $newvalue = base64_encode ($iv.$hmac.$newvalue_raw); return $newvalue; } public function getDecryptedCookie($value){ $first_key = base64_decode(FIRSTKEY); $second_key = base64_decode(SECONDKEY); $c = base64_decode($value); $method = "aes-256-cbc"; $ivlen = openssl_cipher_iv_length($method); $iv = substr($c, 0, $ivlen); $hmac = substr($c, $ivlen, 32); $newValue_raw = substr($c, $ivlen+32); $newValue = openssl_decrypt($newValue_raw, $method, $first_key, OPENSSL_RAW_DATA, $iv); $calcmac = hash_hmac('sha256', $newValue_raw, $second_key, TRUE); if (hash_equals ($hmac, $calcmac)) { return $newValue; } return false; } public static function getUserData ($type, $userId = '') { if ($userId == '') { $userId = $_SESSION['user']['id']; } $user = Db::loadOne ('SELECT ' . $type . ' FROM users WHERE user_id=?', array ($userId)); return $user[$type]; } public function setUserData ($type, $value) { if (isset ($_SESSION['user']['id'])) { Db::command ('UPDATE users SET ' . $type . '=? WHERE user_id=?', array ($value, $_SESSION['user']['id'])); } } public function getHashPassword ($password) { $salt = "s0mRIdlKvI"; $hashPassword = hash('sha512', ($password . $salt)); return $hashPassword; } public function atHome($userId, $atHome){ try { Db::edit ('users', ['at_home' => $atHome], 'WHERE user_id = ?', array($userId)); } catch(PDOException $error) { echo $error->getMessage(); die(); } } public function changePassword($oldPassword, $newPassword, $newPassword2){ if ($newPassword == $newPassword2) { //Password Criteria $oldPasswordSaved = self::getUserData('password'); if (self::getHashPassword($oldPassword) == $oldPasswordSaved) { self::setUserData('password', self::getHashPassword($newPassword)); } else { throw new Exception ("old password did not match"); } } else { throw new Exception ("new password arent same"); } } public function createUser($userName, $password){ $userId = Db::loadOne('SELECT * FROM users WHERE username = ?;', array($userName))['user_id']; if ($userId != null) { return false; }; try { $user = [ 'username' => $userName, 'password' => self::getHashPassword($password), ]; return Db::add ('users', $user); } catch(PDOException $error) { echo $error->getMessage(); die(); } } public function haveOtaEnabled($userName){ $ota = $this->getUser($userName)['ota']; if ($ota != ''){ return ($ota != '' ? $ota : false); } else { return false; } } } ?>