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 $CFG;
  31
  32         if (isset($CFG->log_level)) {
  33             $this->log_level = $CFG->log_level;
  34         } else {
  35             $this->log_level = 1;
  36         }
  37
  38         if (isset($CFG->log_method)) {
  39             $this->log_method = $CFG->log_method;
  40         } else {
  41             $this->log_level = 'syslog';
  42         }
  43
  44         $this->log("Init Utils", 4);
  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
  89     private function initSettings() {
  90         if ('' == session_id()) {
  91             $this->startSession();
  92         }
  93
  94         if (false !== $this->timeout) {
  95             $timeout = $this->timeout;
  96         } else {
  97             $timeout = 0;
  98         }
  99
 100         $this->settings = array(
 101             'server' => $_SERVER,
 102             'user' => null,
 103             'admin' => false,
 104             'loginStatus' => 'Not logged in',
 105             'timeout' => $timeout
 106         );
 107
 108         $_SESSION['settings'] = $this->settings;
 109     }
 110
 111     private function startSession() {
 112         global $CFG;
 113
 114         if (isset($CFG->session_timeout)) {
 115             $this->timeout = $CFG->session_timeout * 60;
 116         } else {
 117             $this->timeout = 20 * 60;
 118         }
 119
 120         if (ini_get('session.gc_maxlifetime') != $this->timeout)
 121             ini_set('session.gc_maxlifetime', $this->timeout);
 122         if (ini_get('session.cookie_lifetime') != $this->timeout)
 123             ini_set('session.cookie_lifetime', $this->timeout);
 124
 125         session_start();
 126     }
 127
 128     private function checkSession() {
 129         global $CFG;
 130
 131         if ('' == session_id()) {
 132             $this->startSession();
 133         }
 134
 135         $time = $_SERVER['REQUEST_TIME'];
 136         if (isset($_SESSION['LAST_ACTIVITY']) &&
 137                 ($time - $_SESSION['LAST_ACTIVITY']) >= $this->settings['timeout']) {
 138             echo 'R_TIME: '.date('c', $time).' L_ACT: '.date('c', $_SESSION['LAST_ACTIVITY']);
 139             $this->logout();
 140         } else {
 141             $_SESSION['LAST_ACTIVITY'] = $time;
 142         }
 143     }
 144
 145     public function logout() {
 146         if (ini_get('session.use_cookies')) {
 147             $params = session_get_cookie_params();
 148             setcookie(session_name(), '', time() - 42000,
 149                 $params['path'], $params['domain'],
 150                 $params['secure'], $params['httponly']);
 151         }
 152
 153         if ('' != session_id()) {
 154             $_SESSION = array();
 155             session_unset();
 156             session_destroy();
 157         }
 158         $this->settings = array();
 159     }
 160
 161     public function isAdmin() {
 162         $admin = false;
 163
 164         if (isset($this->settings['admin'])) {
 165             $admin = $this->settings['admin'];
 166         }
 167
 168         return $admin;
 169     }
 170
 171     public function login($user, $pw) {
 172         global $CFG;
 173         $result = false;
 174
 175         if ('' == session_id()) {
 176             $this->startSession();
 177         }
 178
 179         $this->settings['user'] = null;
 180         $this->settings['admin'] = false;
 181
 182         $p = explode('@', $user);
 183         if (count($p) != 2) {
 184            $this->settings['loginStatus'] = 'Bad username';
 185         } else {
 186             $domain = $p[1];
 187             $dn = "mail=$user,ou=Users,domainName=$domain,$CFG->ldap_base_dn";
 188             $filter = "(&(objectclass=mailUser)(accountStatus=active)(mail=$user))";
 189             $ds = @ldap_connect($CFG->ldap_dsn);
 190             if ($ds) {
 191                 @ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
 192                 $r = @ldap_bind($ds, $dn, $pw);
 193                 if ($r) {
 194                     $sr = @ldap_search($ds, $CFG->ldap_base_dn, $filter, array('mail','domainglobaladmin'));
 195                     $info = @ldap_get_entries($ds, $sr); // array
 196                     if ($info['count'] > 0) {
 197                         $this->settings['user'] = $user;
 198                         $result = true;
 199                         $this->settings['loginStatus'] = 'OK';
 200                         $admin = 'NO';
 201                         if (isset($info[0]['domainglobaladmin'])) {
 202                             $admin = $info[0]['domainglobaladmin'][0];
 203                             $admin = strtoupper($admin);
 204                         }
 205                         $this->settings['admin'] = ($admin == 'YES') ? true : false;
 206                     } else {
 207                         $this->settings['loginStatus'] = 'Login failed';
 208                     }
 209                 } else {
 210                     $this->settings['loginStatus'] = ldap_error($ds);
 211                 }
 212                 @ldap_close($ds);
 213             } else {
 214                 $this->settings['loginStatus'] = 'Connect to LDAP server failed';
 215             }
 216         }
 217
 218         $_SESSION['settings'] = $this->settings;
 219
 220         return $result;
 221     }
 222
 223     public function getLoginStatus() {
 224         $status = 'Not logged in';
 225
 226         if (isset($this->settings['loginStatus'])) {
 227             $status = $this->settings['loginStatus'];
 228         }
 229
 230         return $status;
 231     }
 232
 233     public function isLoggedIn() {
 234         global $CFG;
 235         $loggedIn = false;
 236
 237         if ('' == session_id()) {
 238             $this->startSession();
 239         }
 240
 241         $this->checkSession();
 242
 243         if (isset($this->settings['user'])) {
 244             if ($this->settings['user'] != null) {
 245                 $loggedIn = true;
 246             } else {
 247                 if ($CFG->auth_method == 'HTTP_AUTH') {
 248                     if (isset($this->server['PHP_AUTH_USER'])) {
 249                         $this->settings['user'] = $this->server['PHP_AUTH_USER'];
 250                         $loggedIn = true;
 251                     }
 252                 }
 253             }
 254         }
 255
 256         if ($loggedIn == false) {
 257             echo '$this->settings: '.var_export($this->settings, true);
 258             echo 'R_TIME: '.date('c', $_SERVER['REQUEST_TIME']).' L_ACT: '.date('c', $_SESSION['LAST_ACTIVITY']);
 259             //exit;
 260         }
 261
 262         $_SESSION['settings'] = $this->settings;
 263
 264         return $loggedIn;
 265     }
 266
 267     public function getUser() {
 268         $user = null;
 269
 270         if ($this->isLoggedIn()) {
 271             $user = $this->settings['user'];
 272         }
 273
 274         return $user;
 275     }
 276
 277     public function getHeader() {
 278         return $this->header;
 279     }
 280
 281     public function getFooter() {
 282         return $this->footer;
 283     }
 284
 285     public function getHeading() {
 286         return $this->heading;
 287     }
 288
 289     public function setHeading($heading) {
 290         global $CFG;
 291
 292         $timeout = $CFG->session_timeout * 60 * 1000;
 293         $this->heading = str_replace('__TITLE__', $heading, $this->heading);
 294         $this->header = str_replace('__TITLE__', $heading, $this->header);
 295         $this->header = str_replace('__ROOT__', $CFG->wwwroot, $this->header);
 296         $this->header = str_replace('__TIMEOUT__', $timeout, $this->header);
 297     }
 298
 299     public function convertContent($code) {
 300         $table = array(
 301             'V' => 'Virus',
 302             'B' => 'Banned',
 303             'U' => 'Unchecked',
 304             'S' => 'Spam',
 305             'Y' => 'Spammy',
 306             'M' => 'Bad Mime',
 307             'H' => 'Bad Header',
 308             'O' => 'Over sized',
 309             'T' => 'MTA err',
 310             'C' => 'Clean'
 311         );
 312
 313         $string = $table[$code];
 314         if (empty($string))
 315             $string = 'Unknown';
 316
 317         return $string;
 318     }
 319
 320 }