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