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