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 $timeout = false;
   8     private $settings;
   9     private $log_level;
  10     private $log_method;
  11     private $header = '<!DOCTYPE html>
  12 <html>
  13 <head>
  14     <meta charset="utf-8">
  15     <link rel="stylesheet" href="css/styles.css">
  16     <script>
  17         var timeout = __TIMEOUT__;
  18     </script>
  19     <script src="__ROOT__js/timer.js"></script>
  20     <script src="__ROOT__js/checkbox.js"></script>
  21     <title>__TITLE__</title>
  22 </head>
  23 <body>';
  24     private $footer = '<p class="footer">Powered by <a href="https://qtadmin.datanom.net"
  25             title="Goto QtAdmin homepage">QtAdmin</a>. &copy; 2015 by Michael Rasmussen</p></body></html>';
  26     private $heading = '<p id="time" class="time">Session timeout:
  27             <span id="timer"></span></p><h1 class="h1">__TITLE__</h1>';
  28
  29     public function __construct() {
  30         global $CFG;
  31
  32         $this->log("Init Utils", 4);
  33
  34         if (isset($CFG->log_level)) {
  35             $this->log_level = $CFG->log_level;
  36         } else {
  37             $this->log_level = 1;
  38         }
  39
  40         if (isset($CFG->log_method)) {
  41             $this->log_method = $CFG->log_method;
  42         } else {
  43             $this->log_level = 'syslog';
  44         }
  45
  46         $this->startSession();
  47
  48         if (! isset($_SESSION['settings'])) {
  49             $this->initSettings();
  50         }
  51         $this->settings = $_SESSION['settings'];
  52
  53         if ($CFG->auth_method == 'HTTP_AUTH') {
  54             if (isset($this->server['PHP_AUTH_USER'])) {
  55                 $this->settings['user'] = $this->server['PHP_AUTH_USER'];
  56                 $this->settings['loginStatus'] = 'OK';
  57                 if ($CFG->admin_user == $this->settings['user'])
  58                     $this->settings['admin'] = true;
  59             }
  60         }
  61     }
  62
  63     private function log($message, $level = 1) {
  64         global $CFG;
  65
  66         if ($level > $this->log_level)
  67             return;
  68
  69         $time = date('c');
  70         $msg = "[$time] $message";
  71
  72         $priority = LOG_INFO;
  73         switch ($level) {
  74             case 1: $priority = LOG_ERR; break;
  75             case 2: $priority = LOG_WARNING; break;
  76             case 3: $priority = LOG_INFO; break;
  77             case 4: $priority = LOG_DEBUG; break;
  78         }
  79
  80         switch ($this->log_method) {
  81             case 'file':
  82             case 'stderr':
  83             case 'syslog':
  84                 syslog($priority,$msg);
  85                 break;
  86     }
  87
  88     private function initSettings() {
  89         if ('' == session_id()) {
  90             $this->startSession();
  91         }
  92
  93         if (false !== $this->timeout) {
  94             $timeout = $this->timeout;
  95         } else {
  96             $timeout = 0;
  97         }
  98
  99         $this->settings = array(
 100             'server' => $_SERVER,
 101             'user' => null,
 102             'admin' => false,
 103             'loginStatus' => 'Not logged in',
 104             'timeout' => $timeout
 105         );
 106
 107         $_SESSION['settings'] = $this->settings;
 108     }
 109
 110     private function startSession() {
 111         global $CFG;
 112
 113         if (isset($CFG->session_timeout)) {
 114             $this->timeout = $CFG->session_timeout * 60;
 115         } else {
 116             $this->timeout = 20 * 60;
 117         }
 118
 119         if (ini_get('session.gc_maxlifetime') != $this->timeout)
 120             ini_set('session.gc_maxlifetime', $this->timeout);
 121         if (ini_get('session.cookie_lifetime') != $this->timeout)
 122             ini_set('session.cookie_lifetime', $this->timeout);
 123
 124         session_start();
 125     }
 126
 127     private function checkSession() {
 128         global $CFG;
 129
 130         if ('' == session_id()) {
 131             $this->startSession();
 132         }
 133
 134         $time = $_SERVER['REQUEST_TIME'];
 135         if (isset($_SESSION['LAST_ACTIVITY']) &&
 136                 ($time - $_SESSION['LAST_ACTIVITY']) >= $this->settings['timeout']) {
 137             echo 'R_TIME: '.date('c', $time).' L_ACT: '.date('c', $_SESSION['LAST_ACTIVITY']);
 138             $this->logout();
 139         } else {
 140             $_SESSION['LAST_ACTIVITY'] = $time;
 141         }
 142     }
 143
 144     public function logout() {
 145         if (ini_get('session.use_cookies')) {
 146             $params = session_get_cookie_params();
 147             setcookie(session_name(), '', time() - 42000,
 148                 $params['path'], $params['domain'],
 149                 $params['secure'], $params['httponly']);
 150         }
 151
 152         if ('' != session_id()) {
 153             $_SESSION = array();
 154             session_unset();
 155             session_destroy();
 156         }
 157         $this->settings = array();
 158     }
 159
 160     public function isAdmin() {
 161         $admin = false;
 162
 163         if (isset($this->settings['admin'])) {
 164             $admin = $this->settings['admin'];
 165         }
 166
 167         return $admin;
 168     }
 169
 170     public function login($user, $pw) {
 171         global $CFG;
 172         $result = false;
 173
 174         if ('' == session_id()) {
 175             $this->startSession();
 176         }
 177
 178         $this->settings['user'] = null;
 179         $this->settings['admin'] = false;
 180
 181         $p = explode('@', $user);
 182         if (count($p) != 2) {
 183            $this->settings['loginStatus'] = 'Bad username';
 184         } else {
 185             $domain = $p[1];
 186             $dn = "mail=$user,ou=Users,domainName=$domain,$CFG->ldap_base_dn";
 187             $filter = "(&(objectclass=mailUser)(accountStatus=active)(mail=$user))";
 188             $ds = @ldap_connect($CFG->ldap_dsn);
 189             if ($ds) {
 190                 @ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
 191                 $r = @ldap_bind($ds, $dn, $pw);
 192                 if ($r) {
 193                     $sr = @ldap_search($ds, $CFG->ldap_base_dn, $filter, array('mail','domainglobaladmin'));
 194                     $info = @ldap_get_entries($ds, $sr); // array
 195                     if ($info['count'] > 0) {
 196                         $this->settings['user'] = $user;
 197                         $result = true;
 198                         $this->settings['loginStatus'] = 'OK';
 199                         $admin = 'NO';
 200                         if (isset($info[0]['domainglobaladmin'])) {
 201                             $admin = $info[0]['domainglobaladmin'][0];
 202                             $admin = strtoupper($admin);
 203                         }
 204                         $this->settings['admin'] = ($admin == 'YES') ? true : false;
 205                     } else {
 206                         $this->settings['loginStatus'] = 'Login failed';
 207                     }
 208                 } else {
 209                     $this->settings['loginStatus'] = ldap_error($ds);
 210                 }
 211                 @ldap_close($ds);
 212             } else {
 213                 $this->settings['loginStatus'] = 'Connect to LDAP server failed';
 214             }
 215         }
 216
 217         $_SESSION['settings'] = $this->settings;
 218
 219         return $result;
 220     }
 221
 222     public function getLoginStatus() {
 223         $status = 'Not logged in';
 224
 225         if (isset($this->settings['loginStatus'])) {
 226             $status = $this->settings['loginStatus'];
 227         }
 228
 229         return $status;
 230     }
 231
 232     public function isLoggedIn() {
 233         global $CFG;
 234         $loggedIn = false;
 235
 236         if ('' == session_id()) {
 237             $this->startSession();
 238         }
 239
 240         $this->checkSession();
 241
 242         if (isset($this->settings['user'])) {
 243             if ($this->settings['user'] != null) {
 244                 $loggedIn = true;
 245             } else {
 246                 if ($CFG->auth_method == 'HTTP_AUTH') {
 247                     if (isset($this->server['PHP_AUTH_USER'])) {
 248                         $this->settings['user'] = $this->server['PHP_AUTH_USER'];
 249                         $loggedIn = true;
 250                     }
 251                 }
 252             }
 253         }
 254
 255         if ($loggedIn == false) {
 256             echo '$this->settings: '.var_export($this->settings, true);
 257             echo 'R_TIME: '.date('c', $_SERVER['REQUEST_TIME']).' L_ACT: '.date('c', $_SESSION['LAST_ACTIVITY']);
 258             //exit;
 259         }
 260
 261         $_SESSION['settings'] = $this->settings;
 262
 263         return $loggedIn;
 264     }
 265
 266     public function getUser() {
 267         $user = null;
 268
 269         if ($this->isLoggedIn()) {
 270             $user = $this->settings['user'];
 271         }
 272
 273         return $user;
 274     }
 275
 276     public function getHeader() {
 277         return $this->header;
 278     }
 279
 280     public function getFooter() {
 281         return $this->footer;
 282     }
 283
 284     public function getHeading() {
 285         return $this->heading;
 286     }
 287
 288     public function setHeading($heading) {
 289         global $CFG;
 290
 291         $timeout = $CFG->session_timeout * 60 * 1000;
 292         $this->heading = str_replace('__TITLE__', $heading, $this->heading);
 293         $this->header = str_replace('__TITLE__', $heading, $this->header);
 294         $this->header = str_replace('__ROOT__', $CFG->wwwroot, $this->header);
 295         $this->header = str_replace('__TIMEOUT__', $timeout, $this->header);
 296     }
 297
 298     public function convertContent($code) {
 299         $table = array(
 300             'V' => 'Virus',
 301             'B' => 'Banned',
 302             'U' => 'Unchecked',
 303             'S' => 'Spam',
 304             'Y' => 'Spammy',
 305             'M' => 'Bad Mime',
 306             'H' => 'Bad Header',
 307             'O' => 'Over sized',
 308             'T' => 'MTA err',
 309             'C' => 'Clean'
 310         );
 311
 312         $string = $table[$code];
 313         if (empty($string))
 314             $string = 'Unknown';
 315
 316         return $string;
 317     }
 318
 319 }