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
  71         $priority = LOG_INFO;
  72         switch ($level) {
  73             case 1: $priority = LOG_ERR; break;
  74             case 2: $priority = LOG_WARNING; break;
  75             case 3: $priority = LOG_INFO; break;
  76             case 4: $priority = LOG_DEBUG; break;
  77         }
  78
  79         switch ($this->log_method) {
  80             case 'file':
  81             case 'stderr':
  82             case 'syslog':
  83                 syslog($priority, $message);
  84                 break;
  85         }
  86     }
  87
  88     private function initSettings() {
  89         $this->log("InitSettings", 4);
  90
  91         if ('' == session_id()) {
  92             $this->startSession();
  93         }
  94
  95         if (false !== $this->timeout) {
  96             $timeout = $this->timeout;
  97         } else {
  98             $timeout = 0;
  99         }
 100
 101         $this->settings = array(
 102             'server' => $_SERVER,
 103             'user' => null,
 104             'admin' => false,
 105             'loginStatus' => 'Not logged in',
 106             'timeout' => $timeout
 107         );
 108
 109         $_SESSION['settings'] = $this->settings;
 110     }
 111
 112     private function startSession() {
 113         global $CFG;
 114
 115         $this->log("startSession", 4);
 116
 117         if (isset($CFG->session_timeout)) {
 118             $this->timeout = $CFG->session_timeout * 60;
 119         } else {
 120             $this->timeout = 20 * 60;
 121         }
 122
 123         if (ini_get('session.gc_maxlifetime') != $this->timeout)
 124             ini_set('session.gc_maxlifetime', $this->timeout);
 125         if (ini_get('session.cookie_lifetime') != $this->timeout)
 126             ini_set('session.cookie_lifetime', $this->timeout);
 127
 128         session_start();
 129     }
 130
 131     private function checkSession() {
 132         global $CFG;
 133
 134         $this->log("checkSession", 4);
 135
 136         if ('' == session_id()) {
 137             $this->startSession();
 138         }
 139
 140         $time = $_SERVER['REQUEST_TIME'];
 141         if (isset($_SESSION['LAST_ACTIVITY']) &&
 142                 ($time - $_SESSION['LAST_ACTIVITY']) >= $this->settings['timeout']) {
 143             echo 'R_TIME: '.date('c', $time).' L_ACT: '.date('c', $_SESSION['LAST_ACTIVITY']);
 144             $this->logout();
 145         } else {
 146             $_SESSION['LAST_ACTIVITY'] = $time;
 147         }
 148     }
 149
 150     public function logout() {
 151         $this->log("logout", 4);
 152
 153         if (ini_get('session.use_cookies')) {
 154             $params = session_get_cookie_params();
 155             setcookie(session_name(), '', time() - 42000,
 156                 $params['path'], $params['domain'],
 157                 $params['secure'], $params['httponly']);
 158         }
 159
 160         if ('' != session_id()) {
 161             $_SESSION = array();
 162             session_unset();
 163             session_destroy();
 164         }
 165         $this->settings = array();
 166     }
 167
 168     public function isAdmin() {
 169         $admin = false;
 170
 171         $this->log("isAdmin", 4);
 172
 173         if (isset($this->settings['admin'])) {
 174             $admin = $this->settings['admin'];
 175         }
 176
 177         return $admin;
 178     }
 179
 180     public function login($user, $pw) {
 181         global $CFG;
 182         $result = false;
 183
 184         $this->log("login", 4);
 185
 186         if ('' == session_id()) {
 187             $this->startSession();
 188         }
 189
 190         $this->settings['user'] = null;
 191         $this->settings['admin'] = false;
 192
 193         $p = explode('@', $user);
 194         if (count($p) != 2) {
 195            $this->settings['loginStatus'] = 'Bad username';
 196         } else {
 197             $domain = $p[1];
 198             $dn = "mail=$user,ou=Users,domainName=$domain,$CFG->ldap_base_dn";
 199             $filter = "(&(objectclass=mailUser)(accountStatus=active)(mail=$user))";
 200             $ds = @ldap_connect($CFG->ldap_dsn);
 201             if ($ds) {
 202                 @ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
 203                 $r = @ldap_bind($ds, $dn, $pw);
 204                 if ($r) {
 205                     $sr = @ldap_search($ds, $CFG->ldap_base_dn, $filter, array('mail','domainglobaladmin'));
 206                     $info = @ldap_get_entries($ds, $sr); // array
 207                     if ($info['count'] > 0) {
 208                         $this->settings['user'] = $user;
 209                         $result = true;
 210                         $this->settings['loginStatus'] = 'OK';
 211                         $admin = 'NO';
 212                         if (isset($info[0]['domainglobaladmin'])) {
 213                             $admin = $info[0]['domainglobaladmin'][0];
 214                             $admin = strtoupper($admin);
 215                         }
 216                         $this->settings['admin'] = ($admin == 'YES') ? true : false;
 217                     } else {
 218                         $this->settings['loginStatus'] = 'Login failed';
 219                     }
 220                 } else {
 221                     $this->settings['loginStatus'] = ldap_error($ds);
 222                 }
 223                 @ldap_close($ds);
 224             } else {
 225                 $this->settings['loginStatus'] = 'Connect to LDAP server failed';
 226             }
 227         }
 228
 229         $_SESSION['settings'] = $this->settings;
 230
 231         return $result;
 232     }
 233
 234     public function getLoginStatus() {
 235         $status = 'Not logged in';
 236
 237         $this->log("getLoginStatus", 4);
 238
 239         if (isset($this->settings['loginStatus'])) {
 240             $status = $this->settings['loginStatus'];
 241         }
 242
 243         return $status;
 244     }
 245
 246     public function isLoggedIn() {
 247         global $CFG;
 248         $loggedIn = false;
 249
 250         $this->log("isLoggedIn[1]: user ".var_export($this->settings['user'], true), 3);
 251
 252         if ('' == session_id()) {
 253             $this->startSession();
 254         }
 255
 256         $this->log("isLoggedIn[2]: user ".var_export($this->settings['user'], true), 3);
 257         $this->checkSession();
 258         $this->log("isLoggedIn[3]: user ".var_export($this->settings['user'], true), 3);
 259
 260         if (isset($this->settings['user'])) {
 261             if ($this->settings['user'] != null) {
 262                 $loggedIn = true;
 263             } else {
 264                 if ($CFG->auth_method == 'HTTP_AUTH') {
 265                     if (isset($this->server['PHP_AUTH_USER'])) {
 266                         $this->settings['user'] = $this->server['PHP_AUTH_USER'];
 267                         $loggedIn = true;
 268                     }
 269                 }
 270             }
 271         }
 272
 273         if ($loggedIn == false) {
 274             echo '$this->settings: '.var_export($this->settings, true);
 275             echo 'R_TIME: '.date('c', $_SERVER['REQUEST_TIME']).' L_ACT: '.date('c', $_SESSION['LAST_ACTIVITY']);
 276             //exit;
 277         }
 278
 279         $_SESSION['settings'] = $this->settings;
 280
 281         return $loggedIn;
 282     }
 283
 284     public function getUser() {
 285         $user = null;
 286
 287         $this->log("getUser", 4);
 288
 289         if ($this->isLoggedIn()) {
 290             $user = $this->settings['user'];
 291         }
 292
 293         return $user;
 294     }
 295
 296     public function getHeader() {
 297         $this->log("getHeader", 4);
 298
 299         return $this->header;
 300     }
 301
 302     public function getFooter() {
 303         $this->log("getFooter", 4);
 304
 305         return $this->footer;
 306     }
 307
 308     public function getHeading() {
 309         $this->log("getHeading", 4);
 310
 311         return $this->heading;
 312     }
 313
 314     public function setHeading($heading) {
 315         global $CFG;
 316
 317         $this->log("setHeading", 4);
 318
 319         $timeout = $CFG->session_timeout * 60 * 1000;
 320         $this->heading = str_replace('__TITLE__', $heading, $this->heading);
 321         $this->header = str_replace('__TITLE__', $heading, $this->header);
 322         $this->header = str_replace('__ROOT__', $CFG->wwwroot, $this->header);
 323         $this->header = str_replace('__TIMEOUT__', $timeout, $this->header);
 324     }
 325
 326     public function convertContent($code) {
 327         $this->log("convertContent", 4);
 328
 329         $table = array(
 330             'V' => 'Virus',
 331             'B' => 'Banned',
 332             'U' => 'Unchecked',
 333             'S' => 'Spam',
 334             'Y' => 'Spammy',
 335             'M' => 'Bad Mime',
 336             'H' => 'Bad Header',
 337             'O' => 'Over sized',
 338             'T' => 'MTA err',
 339             'C' => 'Clean'
 340         );
 341
 342         $string = $table[$code];
 343         if (empty($string))
 344             $string = 'Unknown';
 345
 346         return $string;
 347     }
 348
 349 }