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->settings['timeout'] = $CFG->session_timeout * 60;
  67         } else {
  68             $this->settings['timeout'] = 20 * 60;
  69         }
  70
  71         if (ini_get('session.gc_maxlifetime') != $this->settings['timeout'])
  72             ini_set('session.gc_maxlifetime', $this->settings['timeout']);
  73         if (ini_get('session.cookie_lifetime') != $this->settings['timeout'])
  74             ini_set('session.cookie_lifetime', $this->settings['timeout']);
  75
  76         $_SESSION['settings'] = $this->settings;
  77
  78         session_start();
  79     }
  80
  81     private function checkSession() {
  82         global $CFG;
  83
  84         if ('' == session_id()) {
  85             $this->startSession();
  86         }
  87
  88         $time = $_SERVER['REQUEST_TIME'];
  89         if (isset($_SESSION['LAST_ACTIVITY']) &&
  90                 ($time - $_SESSION['LAST_ACTIVITY']) >= $this->settings['timeout']) {
  91             echo 'R_TIME: '.date('c', $time).' L_ACT: '.date('c', $_SESSION['LAST_ACTIVITY']);
  92             $this->logout();
  93         } else {
  94             $_SESSION['LAST_ACTIVITY'] = $time;
  95         }
  96     }
  97
  98     public function logout() {
  99         if (ini_get('session.use_cookies')) {
 100             $params = session_get_cookie_params();
 101             setcookie(session_name(), '', time() - 42000,
 102                 $params['path'], $params['domain'],
 103                 $params['secure'], $params['httponly']);
 104         }
 105
 106         if ('' != session_id()) {
 107             $_SESSION = array();
 108             session_unset();
 109             session_destroy();
 110         }
 111         $this->settings = array();
 112     }
 113
 114     public function isAdmin() {
 115         $admin = false;
 116
 117         if (isset($this->settings['admin'])) {
 118             $admin = $this->settings['admin'];
 119         }
 120
 121         return $admin;
 122     }
 123
 124     public function login($user, $pw) {
 125         global $CFG;
 126         $result = false;
 127
 128         if ('' == session_id()) {
 129             $this->startSession();
 130         }
 131
 132         $this->settings['user'] = null;
 133         $this->settings['admin'] = false;
 134
 135         $p = explode('@', $user);
 136         if (count($p) != 2) {
 137            $this->settings['loginStatus'] = 'Bad username';
 138         } else {
 139             $domain = $p[1];
 140             $dn = "mail=$user,ou=Users,domainName=$domain,$CFG->ldap_base_dn";
 141             $filter = "(&(objectclass=mailUser)(accountStatus=active)(mail=$user))";
 142             $ds = @ldap_connect($CFG->ldap_dsn);
 143             if ($ds) {
 144                 @ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
 145                 $r = @ldap_bind($ds, $dn, $pw);
 146                 if ($r) {
 147                     $sr = @ldap_search($ds, $CFG->ldap_base_dn, $filter, array('mail','domainglobaladmin'));
 148                     $info = @ldap_get_entries($ds, $sr); // array
 149                     if ($info['count'] > 0) {
 150                         $this->settings['user'] = $user;
 151                         $result = true;
 152                         $this->settings['loginStatus'] = 'OK';
 153                         $admin = 'NO';
 154                         if (isset($info[0]['domainglobaladmin'])) {
 155                             $admin = $info[0]['domainglobaladmin'][0];
 156                             $admin = strtoupper($admin);
 157                         }
 158                         $this->settings['admin'] = ($admin == 'YES') ? true : false;
 159                     } else {
 160                         $this->settings['loginStatus'] = 'Login failed';
 161                     }
 162                 } else {
 163                     $this->settings['loginStatus'] = ldap_error($ds);
 164                 }
 165                 @ldap_close($ds);
 166             } else {
 167                 $this->settings['loginStatus'] = 'Connect to LDAP server failed';
 168             }
 169         }
 170
 171         $_SESSION['settings'] = $this->settings;
 172
 173         return $result;
 174     }
 175
 176     public function getLoginStatus() {
 177         $status = 'Not logged in';
 178
 179         if (isset($this->settings['loginStatus'])) {
 180             $status = $this->settings['loginStatus'];
 181         }
 182
 183         return $status;
 184     }
 185
 186     public function isLoggedIn() {
 187         global $CFG;
 188         $loggedIn = false;
 189
 190         if ('' == session_id()) {
 191             $this->startSession();
 192         }
 193
 194         $this->checkSession();
 195
 196         if (isset($this->settings['user'])) {
 197             if ($this->settings['user'] != null) {
 198                 $loggedIn = true;
 199             } else {
 200                 if ($CFG->auth_method == 'HTTP_AUTH') {
 201                     if (isset($this->server['PHP_AUTH_USER'])) {
 202                         $this->settings['user'] = $this->server['PHP_AUTH_USER'];
 203                         $loggedIn = true;
 204                     }
 205                 }
 206             }
 207         }
 208
 209         if ($loggedIn == false) {
 210             echo '$this->settings: '.var_export($this->settings, true);
 211             echo 'R_TIME: '.date('c', $_SERVER['REQUEST_TIME']).' L_ACT: '.date('c', $_SESSION['LAST_ACTIVITY']);
 212             //exit;
 213         }
 214
 215         $_SESSION['settings'] = $this->settings;
 216
 217         return $loggedIn;
 218     }
 219
 220     public function getUser() {
 221         $user = null;
 222
 223         if ($this->isLoggedIn()) {
 224             $user = $this->settings['user'];
 225         }
 226
 227         return $user;
 228     }
 229
 230     public function getHeader() {
 231         return $this->header;
 232     }
 233
 234     public function getFooter() {
 235         return $this->footer;
 236     }
 237
 238     public function getHeading() {
 239         return $this->heading;
 240     }
 241
 242     public function setHeading($heading) {
 243         global $CFG;
 244
 245         $timeout = $CFG->session_timeout * 60 * 1000;
 246         $this->heading = str_replace('__TITLE__', $heading, $this->heading);
 247         $this->header = str_replace('__TITLE__', $heading, $this->header);
 248         $this->header = str_replace('__ROOT__', $CFG->wwwroot, $this->header);
 249         $this->header = str_replace('__TIMEOUT__', $timeout, $this->header);
 250     }
 251
 252     public function convertContent($code) {
 253         $table = array(
 254             'V' => 'Virus',
 255             'B' => 'Banned',
 256             'U' => 'Unchecked',
 257             'S' => 'Spam',
 258             'Y' => 'Spammy',
 259             'M' => 'Bad Mime',
 260             'H' => 'Bad Header',
 261             'O' => 'Over sized',
 262             'T' => 'MTA err',
 263             'C' => 'Clean'
 264         );
 265
 266         $string = $table[$code];
 267         if (empty($string))
 268             $string = 'Unknown';
 269
 270         return $string;
 271     }
 272
 273 }