PHP_SMART_HOME_V3/app/models/UserManager.php

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2020-05-16 15:18:27 +00:00
<?php
class UserManager
{
public static function getUsers () {
try {
$allUsers = Db::loadAll ("SELECT user_id, username, at_home, ota FROM users");
return $allUsers;
} catch(PDOException $error) {
echo $error->getMessage();
die();
}
}
public static function getUser ($userName) {
try {
$user = Db::loadOne ("SELECT * FROM users WHERE username = ?", [$userName]);
return $user;
} catch(PDOException $error) {
echo $error->getMessage();
die();
}
}
public static function getUserId ($userId) {
try {
$user = Db::loadOne ("SELECT * FROM users WHERE user_id = ?", [$userId]);
return $user;
} catch(PDOException $error) {
echo $error->getMessage();
die();
}
}
public static function getAvatarUrl($userId = null){
$email = self::getUserData('email');
if ($userId != null){
$email = self::getUserData('email',$userId);
}
return 'https://secure.gravatar.com/avatar/' . md5( strtolower( trim( $email ) ) );
}
public static function login ($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) && $rememberMe == 'true') {
setcookie ("rememberMe", self::setEncryptedCookie($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 $error->getMessage();
die();
}
}
public static function loginNew ($username, $password) {
try {
if ($user = Db::loadOne ('SELECT * FROM users WHERE LOWER(username)=LOWER(?)', array ($username))) {
if ($user['password'] == UserManager::getHashPassword($password)) {
echo "user loged in";
return $user['user_id'];
} else {
return false;
}
} else {
return false;
}
} catch(PDOException $error) {
echo $error->getMessage();
die();
}
}
public static function isLogin () {
if (isset ($_SESSION['user']) && isset($_SESSION['user']['id'])) {
return true;
} else {
if (isset ($_COOKIE['rememberMe'])){
if ($user = Db::loadOne ('SELECT * FROM users WHERE LOWER(username)=LOWER(?)', array (self::getDecryptedCookie($_COOKIE['rememberMe'])))) {
$_SESSION['user']['id'] = $user['user_id'];
return true;
}
}
}
return false;
}
public static function logout () {
unset($_SESSION['user']);
session_destroy();
if (isset($_COOKIE['rememberMe'])){
unset($_COOKIE['rememberMe']);
setcookie("rememberMe", 'false', time(), BASEDIR, $_SERVER['HTTP_HOST']);
}
}
public static function setEncryptedCookie($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 $newvalue;
}
public static function getDecryptedCookie($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 static function setUserData ($type, $value) {
if (isset ($_SESSION['user']['id'])) {
Db::command ('UPDATE users SET ' . $type . '=? WHERE user_id=?', array ($value, $_SESSION['user']['id']));
}
}
public static function getHashPassword ($password) {
$salt = "s0mRIdlKvI";
$hashPassword = hash('sha512', ($password . $salt));
return $hashPassword;
}
public static function atHome($userId, $atHome){
try {
Db::edit ('users', ['at_home' => $atHome], 'WHERE user_id = ?', array($userId));
} catch(PDOException $error) {
echo $error->getMessage();
die();
}
}
public static function changePassword($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 static 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 $error->getMessage();
die();
}
}
public static function haveOtaEnabled($userName){
$ota = self::getUser($userName)['ota'];
if ($ota != ''){
return ($ota != '' ? $ota : false);
} else {
return false;
}
}
}
?>