lib/utils.inc.php

   1 <?php
   2 /* vim: set ts=4 tw=0 sw=4 noet: */
   3 require_once $CFG->root .'config.php';
   4
   5 class Utils {
   6
   7     private $settings;
   8     private $header = '<!DOCTYPE html>
   9 <html>
  10 <head>
  11     <meta charset="utf-8">
  12     <link rel="stylesheet" href="css/styles.css">
  13     <script>
  14         var timeout = __TIMEOUT__;
  15     </script>
  16     <script src="__ROOT__js/timer.js"></script>
  17     <script src="__ROOT__js/checkbox.js"></script>
  18     <title>__TITLE__</title>
  19 </head>
  20 <body>';
  21     private $footer = '<p class="footer">Powered by <a href="https://qtadmin.datanom.net"
  22             title="Goto QtAdmin homepage">QtAdmin</a>. &copy; 2015 by Michael Rasmussen</p></body></html>';
  23     private $heading = '<p id="time" class="time">Session timeout:
  24             <span id="timer"></span></p><h1 class="h1">__TITLE__</h1>';
  25
  26     public function __construct() {
  27         global $CFG;
  28
  29         $this->startSession();
  30
  31         if (! isset($_SESSION['settings'])) {
  32             $this->initSettings();
  33         }
  34         $this->settings = $_SESSION['settings'];
  35
  36         if ($CFG->auth_method == 'HTTP_AUTH') {
  37             if (isset($this->server['PHP_AUTH_USER'])) {
  38                 $this->settings['user'] = $this->server['PHP_AUTH_USER'];
  39                 $this->settings['loginStatus'] = 'OK';
  40                 if ($CFG->admin_user == $this->settings['user'])
  41                     $this->settings['admin'] = true;
  42             }
  43         }
  44     }
  45
  46     private function initSettings() {
  47         if ('' == session_id()) {
  48             $this->startSession();
  49         }
  50
  51         $this->settings = array(
  52             'server' => $_SERVER,
  53             'user' => null,
  54             'admin' => false,
  55             'loginStatus' => 'Not logged in',
  56             'timeout' => 0
  57         );
  58
  59         $_SESSION['settings'] = $this->settings;
  60     }
  61
  62     private function startSession() {
  63         global $CFG;
  64
  65         if (isset($CFG->session_timeout)) {
  66             $this->timeout = $CFG->session_timeout * 60;
  67         } else {
  68             $this->timeout = 20 * 60;
  69         }
  70
  71         if (ini_get('session.gc_maxlifetime') != $this->timeout)
  72             ini_set('session.gc_maxlifetime', $this->timeout);
  73         if (ini_get('session.cookie_lifetime') != $this->timeout)
  74             ini_set('session.cookie_lifetime', $this->timeout);
  75
  76         session_start();
  77     }
  78
  79     private function checkSession() {
  80         global $CFG;
  81
  82         if ('' == session_id()) {
  83             $this->startSession();
  84         }
  85
  86         $time = $_SERVER['REQUEST_TIME'];
  87         if (isset($_SESSION['LAST_ACTIVITY']) &&
  88                 ($time - $_SESSION['LAST_ACTIVITY']) >= $this->settings['timeout']) {
  89             echo 'R_TIME: '.date('c', $time).' L_ACT: '.date('c', $_SESSION['LAST_ACTIVITY']);
  90             $this->logout();
  91         } else {
  92             $_SESSION['LAST_ACTIVITY'] = $time;
  93         }
  94     }
  95
  96     public function logout() {
  97         if (ini_get('session.use_cookies')) {
  98             $params = session_get_cookie_params();
  99             setcookie(session_name(), '', time() - 42000,
 100                 $params['path'], $params['domain'],
 101                 $params['secure'], $params['httponly']);
 102         }
 103
 104         if ('' != session_id()) {
 105             $_SESSION = array();
 106             session_unset();
 107             session_destroy();
 108         }
 109         $this->settings = array();
 110     }
 111
 112     public function isAdmin() {
 113         $admin = false;
 114
 115         if (isset($this->settings['admin'])) {
 116             $admin = $this->settings['admin'];
 117         }
 118
 119         return $admin;
 120     }
 121
 122     public function login($user, $pw) {
 123         global $CFG;
 124         $result = false;
 125
 126         if ('' == session_id()) {
 127             $this->startSession();
 128         }
 129
 130         $this->settings['user'] = null;
 131         $this->settings['admin'] = false;
 132
 133         $p = explode('@', $user);
 134         if (count($p) != 2) {
 135            $this->settings['loginStatus'] = 'Bad username';
 136         } else {
 137             $domain = $p[1];
 138             $dn = "mail=$user,ou=Users,domainName=$domain,$CFG->ldap_base_dn";
 139             $filter = "(&(objectclass=mailUser)(accountStatus=active)(mail=$user))";
 140             $ds = @ldap_connect($CFG->ldap_dsn);
 141             if ($ds) {
 142                 @ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
 143                 $r = @ldap_bind($ds, $dn, $pw);
 144                 if ($r) {
 145                     $sr = @ldap_search($ds, $CFG->ldap_base_dn, $filter, array('mail','domainglobaladmin'));
 146                     $info = @ldap_get_entries($ds, $sr); // array
 147                     if ($info['count'] > 0) {
 148                         $this->settings['user'] = $user;
 149                         $result = true;
 150                         $this->settings['loginStatus'] = 'OK';
 151                         $admin = 'NO';
 152                         if (isset($info[0]['domainglobaladmin'])) {
 153                             $admin = $info[0]['domainglobaladmin'][0];
 154                             $admin = strtoupper($admin);
 155                         }
 156                         $this->settings['admin'] = ($admin == 'YES') ? true : false;
 157                     } else {
 158                         $this->settings['loginStatus'] = 'Login failed';
 159                     }
 160                 } else {
 161                     $this->settings['loginStatus'] = ldap_error($ds);
 162                 }
 163                 @ldap_close($ds);
 164             } else {
 165                 $this->settings['loginStatus'] = 'Connect to LDAP server failed';
 166             }
 167         }
 168
 169         $_SESSION['settings'] = $this->settings;
 170
 171         return $result;
 172     }
 173
 174     public function getLoginStatus() {
 175         $status = 'Not logged in';
 176
 177         if (isset($this->settings['loginStatus'])) {
 178             $status = $this->settings['loginStatus'];
 179         }
 180
 181         return $status;
 182     }
 183
 184     public function isLoggedIn() {
 185         global $CFG;
 186         $loggedIn = false;
 187
 188         if ('' == session_id()) {
 189             $this->startSession();
 190         }
 191
 192         $this->checkSession();
 193
 194         if (isset($this->settings['user'])) {
 195             if ($this->settings['user'] != null) {
 196                 $loggedIn = true;
 197             } else {
 198                 if ($CFG->auth_method == 'HTTP_AUTH') {
 199                     if (isset($this->server['PHP_AUTH_USER'])) {
 200                         $this->settings['user'] = $this->server['PHP_AUTH_USER'];
 201                         $loggedIn = true;
 202                     }
 203                 }
 204             }
 205         }
 206
 207         if ($loggedIn == false) {
 208             echo '$this->settings: '.var_export($this->settings, true);
 209             echo 'R_TIME: '.date('c', $_SERVER['REQUEST_TIME']).' L_ACT: '.date('c', $_SESSION['LAST_ACTIVITY']);
 210             //exit;
 211         }
 212
 213         $_SESSION['settings'] = $this->settings;
 214
 215         return $loggedIn;
 216     }
 217
 218     public function getUser() {
 219         $user = null;
 220
 221         if ($this->isLoggedIn()) {
 222             $user = $this->settings['user'];
 223         }
 224
 225         return $user;
 226     }
 227
 228     public function getHeader() {
 229         return $this->header;
 230     }
 231
 232     public function getFooter() {
 233         return $this->footer;
 234     }
 235
 236     public function getHeading() {
 237         return $this->heading;
 238     }
 239
 240     public function setHeading($heading) {
 241         global $CFG;
 242
 243         $timeout = $CFG->session_timeout * 60 * 1000;
 244         $this->heading = str_replace('__TITLE__', $heading, $this->heading);
 245         $this->header = str_replace('__TITLE__', $heading, $this->header);
 246         $this->header = str_replace('__ROOT__', $CFG->wwwroot, $this->header);
 247         $this->header = str_replace('__TIMEOUT__', $timeout, $this->header);
 248     }
 249
 250     public function convertContent($code) {
 251         $table = array(
 252             'V' => 'Virus',
 253             'B' => 'Banned',
 254             'U' => 'Unchecked',
 255             'S' => 'Spam',
 256             'Y' => 'Spammy',
 257             'M' => 'Bad Mime',
 258             'H' => 'Bad Header',
 259             'O' => 'Over sized',
 260             'T' => 'MTA err',
 261             'C' => 'Clean'
 262         );
 263
 264         $string = $table[$code];
 265         if (empty($string))
 266             $string = 'Unknown';
 267
 268         return $string;
 269     }
 270
 271 }