1 <?php

2

3 define('TIME_SESSION_EXPIRES', 1800);

4

5

6 class Loginsys {

7

8 // Constructors

9

10 public function __construct() {

11 session_start();

12 $this->heartbeat();

13 }

14

15

16

17

18 // Methods

19

20 public function login($loginname, $password_md5) { // login ------------------------------------

21 $rowuser = mysql_fetch_array(mysql_query("select * from ". DB_PREFIX ."User where loginname='$loginname' and password='$password_md5' "));

22 if (mysql_affected_rows() == 1) { // valid login

23 $_SESSION[login][id] = $rowuser[id];

24 $_SESSION[login][loginname] = $loginname;

25 $_SESSION[login][logintime] = time();

26 }

27 }

28

29

30

31 public function logout() { // logout ------------------------------------------------------------

32 unset($_SESSION[login]);

33 }

34

35

36

37 public function loggedIn() { // return login-status ---------------------------------------------

38 return (isset($_SESSION[login][id]) && $_SESSION[login][logintime] > time()-TIME_SESSION_EXPIRES);

39 }

40

41

42

43 public function heartbeat() {

44 if ($this->loggedIn()) {

45 $_SESSION[login][logintime] = time();

46 }

47 }

48

49

50

51 // Getter and Setter

52

53 public function getUserId() {

54 return $_SESSION[login][id];

55 }

56

57

58 public function getLoginname() {

59 return $_SESSION[login][loginname];

60 }

61

62 }

63

64

65 ?>