function authorization()
{
global $body;
global $mod;
global $curr;
global $modules;
// ---------------- init ---------------- //
$login = '';
$pass = '';
$auth = array('id' => 0, 'desc' => '', 'state' => 1, 'perm' => '', 'sid' => 0);
// state:
// 1 - sess exists
// 2 - ok
// 4 - sess not exists
// 8 - user for sess_id not exists
// ------------------------------------ identificate organization ------------------------------------ //
$auth['org'] = 0;
$auth['org_desc'] = 'Добро пожаловать в Pyur CRM-Framework';
// ---- DoS filter --------------------------------------------------------------------------- //
/*
// -- `IP` filter -- //
$remote_addr = explode('.', (isset($_SERVER['REMOTE_ADDR'])?$_SERVER['REMOTE_ADDR']:'0.0.0.0') );
$remote_addr = $remote_addr[0] * 16777216 + $remote_addr[1] * 65536 + $remote_addr[2] * 256 + $remote_addr[3];
//$result = db_read('login_ip', array('date', 'count'), '`ip` = '.$remote_addr);
$result = db_read(array('table'=>'login_ip', 'col'=>array('date', 'count'), 'where'=>'`ip` = '.$remote_addr));
if ($result) {
//$db = mysql_fetch_array($result, MYSQL_ASSOC);
$auth_ip_date = datesqltime($result['date']);
$auth_ip_count = $result['count'];
if ($auth_ip_count > 15) $auth['state'] = 16;
}
else {
$result = db_write(array('table'=>'login_ip', 'set'=>array('ip' => $remote_addr, 'count' => 0));
$auth_ip_date = $curr['time'];
$auth_ip_count = 0;
}
*/
// ------------------------------------ read COOKIE ------------------------------------- //
if (cookieb('bdsx_sid')) {
$sess = db_read(array('table' => 'sess', 'col' => array('id', 'user', 'ip', 'ua'), 'where' => array('`sid` = \'' . cookieh('bdsx_sid') . '\'', '`stat` = 0')));
if ($sess) {
$auth['sid'] = $sess['id'];
$ua = substr($_SERVER['HTTP_USER_AGENT'], 0, 512);
$ipn = inet_pton($_SERVER['REMOTE_ADDR']);
$set = array();
$set['datel'] = $curr['datetime'];
if ($sess['ip'] != $ipn) {
$set['ip'] = $ipn;
}
if ($sess['ua'] != $ua) {
$set['ua'] = $ua;
}
db_write(array('table' => 'sess', 'set' => $set, 'where' => '`sid` = \'' . cookieh('bdsx_sid') . '\''));
$sess = $sess['user'];
} else {
header("Cache-Control: no-cache, must-revalidate");
header("Expires: Thu, 17 Apr 1991 12:00:00 GMT");
setcookie('bdsx_sid', '', time() - 60 * 60, '/');
$auth['state'] = 4;
}
} else {
$auth['state'] = 4;
}
// --------------------- hardwired (embedded), not DB-MySQL users: --------------------------- //
if ($auth['state'] == 1 && $sess > 65503) {
include 'l/hu.php';
if (isset($harduser[$sess - 65504])) {
$auth['id'] = $sess;
$auth['desc'] = $harduser[$sess - 65504]['desc'];
$auth['perm'] = $harduser[$sess - 65504]['perm'];
$auth['state'] = 2;
} else {
$auth['state'] = 8;
}
}
// --------------------------------- read & check `user` --------------------------------------- //
/*
if ($auth['state'] == 1) {
$user = db_read(array('table' => array('user', 'user_cat'),
'col' => array('user`.`name',
'user_cat`.`perm',
),
'where' => array('`user`.`id` = \''.$sess.'\'',
'`user_cat`.`id` = `user`.`cat`',
),
));
if ($user) {
$auth['id'] = $sess;
$auth['desc'] = $user['name'];
$auth['perm'] = $user['perm'];
$auth['state'] = 2;
}
else {
$auth['state'] = 8;
}
}
*/
apache_note('userx', $auth['id']);
// --------------------------------- permissions --------------------------------- //
$perm = array();
//$auth['perm'] = 'stud:ank_edit,doc,stipen;test';
if ($auth['perm'] == 'all') {
$tmp = array();
foreach ($modules as $k => $v) {
if (!$v['acc'] || $v['acc'] & $auth['state']) {
$perm[$k] = array();
foreach ($v['perm'] as $kk => $vv) {
$perm[$k][$kk] = 1;
}
}
}
} else {
// ---- user's explicit permissions ---- //
$tmp = explode(';', $auth['perm']);
foreach ($tmp as $v) {
$tmp2 = explode(':', $v);
$perm[$tmp2[0]] = array();
if (isset($tmp2[1])) {
$tmp3 = explode(',', $tmp2[1]);
foreach ($tmp3 as $vv) {
//if (isset($modules[$tmp2[0]]))
//$tmp3[$vv] = '1';
$perm[$tmp2[0]][$vv] = 1;
}
}
//$perm[$tmp2[0]] = $tmp3;
}
}
$menu = array();
$num = 0;
foreach ($modules as $k => $v) {
if (isset($perm[$k]) || $v['acc'] & $auth['state']) {
$v['icon'] = $num;
$v['sort'] = substr('000' . $v['pos'], -3, 3) . $v['name'];
$menu[$k] = $v;
}
$num++;
}
/*
// -------- bruteforce control -------- //
if ($auth['state'] == 4 && $auth_ip_date > ($curr['time']-30) ) {
// ---- increment `count` on wrong password ---- //
$result = db_write(array('table'=>'login_ip', 'set'=>array('date' => datesql($curr['time'],1), 'count' => $auth_ip_count+1), 'where'=>'`ip` = '.$remote_addr));
}
elseif ($auth_ip_count && $auth_ip_date < ($curr['time']-3600) ) {
// ---- reset after 1 hour cooldown ---- //
$result = db_write(array('table'=>'login_ip', 'set'=>array('date' => datesql($curr['time'],1), 'count' => 0), 'where'=>'`ip` = '.$remote_addr));
}
*/
// -------------------------------------------------- activity log rotate -------------------------------------------------------- //
/*
// SELECT `id`, COUNT(`id`) as `count` FROM `log_rotate` LIMIT 1
$log_rotate = db_read(array('table' => 'log_rotate',
'col' => array('id', '!COUNT(`id`) as `count`'),
//verbose=>1
));
if ($log_rotate['count'] > 1999) {
$query = 'DELETE FROM `log_rotate` ORDER BY `id` LIMIT '.($log_rotate['count'] - 1999);
mysql_query($query);
}
db_write(array('table'=>'log_rotate',
'set' => array('host' => $remote_addr,
'time'=>date('Y-m-d H:i:s', $_SERVER['REQUEST_TIME']),
'user' => $auth['userx'],
'request' => $_SERVER['REQUEST_URI'],
)));
*/
// -------------------------------------------------- end: activity log rotate -------------------------------------------------------- //
// ---- access control ---- //
if (!isset($menu[$mod])) {
$mod = 'default';
}
if ($auth['perm'] == 'all') {
$auth['perm_su'] = 1;
}
$auth['menu'] = $menu;
$auth['perm'] = $perm;
return $auth;
}
b('<td>');
b(inet_ntop($v['ip']));
b('<td>');
b(dateh($v['date']));
b('<td>');
b(dateh($v['datel']));
b('<td>');
b(ua_str($v['ua']));
b('<td>');
b(icona('/' . $mod . '/srk/?row=' . $k));
}
b('</table>');
} else {
b('error: no `sess`.');
}
}
// -------------------------------- session revoke proxy ------------------------------------ //
if ($act == 'srk') {
db_write(array('table' => 'sess', 'set' => array('stat' => 2), 'where' => '`id` = ' . $grow));
$redirect = '/' . $mod . '/';
}
// -------------------------------- Logout ------------------------------------ //
if ($act == 'lof') {
// -- graceful logout -- //
db_write(array('table' => 'sess', 'set' => array('stat' => 1), 'where' => '`sid` = UNHEX(\'' . cookieh('bdsx_sid') . '\')'));
// -- clear cookie -- //
header("Cache-Control: no-cache, must-revalidate");
header("Expires: Thu, 17 Apr 1991 12:00:00 GMT");
setcookie('bdsx_sid', '', time() - 60 * 60, '/');
$redirect = '/';
}