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<?PHP
class User {
var $uid = 0, $gid = 0;
var $login_key = '', $login_type = '';
var $name = '';
function User() {
if($_COOKIE['login']) {
$res = $GLOBALS['db']->Execute('SELECT id, gid, sid, user FROM users WHERE id = ? AND sid = ?',
array(substr($_COOKIE['login'], 32),
substr($_COOKIE['login'], 0, 32)));
if($res->RecordCount() && $res->fields[2]) {
$this->uid = $res->fields[0];
$this->gid = $res->fields[1];
$this->name = $res->fields[3];
$this->login_type = 'cookie';
$this->login_key = $_COOKIE['login'];
}
}
if($this->uid == 0 && $_GET['login']) {
$res = $GLOBALS['db']->Execute('SELECT id, gid, sid, user FROM users WHERE id = ? AND sid = ?',
array(substr($_GET['login'], 32),
substr($_GET['login'], 0, 32)));
if($res->RecordCount() && $res->fields[2]) {
$this->uid = $res->fields[0];
$this->gid = $res->fields[1];
$this->name = $res->fields[3];
$this->login_type = 'url';
$this->login_key = $_GET['login'];
}
}
}
function Login($name, $pass) {
$res = $GLOBALS['db']->Execute('SELECT id, gid, user FROM users WHERE user = ? AND password = ?', array($name, $pass));
if($res->RecordCount()) {
$id = $res->fields[0];
$sid = md5(uniqid($name . " * " . $pass . " * " . rand()));
$GLOBALS['db']->Execute('UPDATE users SET sid = ? WHERE id = ?', array($sid, $id));
$this->uid = $id;
$this->gid = $res->fields[1];
$this->name = $res->fields[2];
$this->login_type = 'url';
$this->login_key = $sid . $id;
setcookie('login', $this->login_key);
return $id;
}
return 0;
}
function Logout() {
$GLOBALS['db']->Execute('UPDATE users SET sid = \'\' WHERE id = ?', $this->uid);
$this->uid = 0;
$this->gid = 0;
$this->login_type = '';
$this->login_key = '';
setcookie('login');
}
function IsAdmin($id = -1) {
if($id < 0) return ($this->gid == -1);
return ($this->GetGid($id) == -1);
}
function GetUid() {
return $this->uid;
}
function GetGid($id = -1) {
if($id < 0) return $this->gid;
if($id == 0) return 0;
$res = $GLOBALS['db']->Execute('SELECT gid FROM users WHERE id = ?', $id);
return $res->fields[0];
}
function GetName($id = -1) {
if($id < 0) return $this->name;
$res = $GLOBALS['db']->Execute('SELECT user FROM users WHERE id = ?', $id);
return $res->fields[0];
}
function Exists($name) {
$res = $GLOBALS['db']->Execute('SELECT id FROM users WHERE user = ?', $name);
return ($res->RecordCount() > 0);
}
function Add($name, $gid, $pass) {
if($this->Exists($name)) return 0;
$GLOBALS['db']->Execute('INSERT INTO users (user, gid, password) VALUES (?, ?, ?)',
array($name, $gid, $pass));
return $GLOBALS['db']->Insert_ID();
}
function ChangePassword($id = -1, $new_pass) {
if($id < 0) $id = $this->uid;
$GLOBALS['db']->Execute('UPDATE users SET password = ? WHERE id = ?', array($new_pass, $id));
return ($GLOBALS['db']->Affected_Rows() > 0);
}
function ChangeGroup($id, $gid) {
$GLOBALS['db']->Execute('UPDATE users SET gid = ? WHERE id = ?', array($gid, $id));
return ($GLOBALS['db']->Affected_Rows() > 0);
}
function Rename($id, $new_name) {
$GLOBALS['db']->Execute('UPDATE users SET user = ? WHERE id = ?', array($new_name, $id));
return ($GLOBALS['db']->Affected_Rows() > 0);
}
function Delete($id) {
$GLOBALS['db']->Execute('DELETE FROM users WHERE id = ?', $id);
return ($GLOBALS['db']->Affected_Rows() > 0);
}
function ListUsers() {
$res = $GLOBALS['db']->Execute('SELECT id, name FROM users ORDER BY id');
return $res->GetArray();
}
function ListGroups() {
$res = $GLOBALS['db']->Execute('SELECT id, name FROM groups ORDER BY id');
return $res->GetArray();
}
}
$GLOBALS['user'] = new User;
?>
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