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         $this->log("__construct[1]: user ".var_export($this->settings['user'], true), 3);
  47         $this->startSession();
  48         $this->log("__construct[2]: user ".var_export($this->settings['user'], true), 3);
  49
  50         if (! isset($_SESSION['settings'])) {
  51             $this->initSettings();
  52         }
  53         $this->log("__construct[3]: user ".var_export($this->settings['user'], true), 3);
  54         $this->settings = $_SESSION['settings'];
  55         $this->log("__construct[4]: user ".var_export($this->settings['user'], true), 3);
  56
  57         if ($CFG->auth_method == 'HTTP_AUTH') {
  58             if (isset($_SERVER['PHP_AUTH_USER'])) {
  59                 $this->settings['user'] = $_SERVER['PHP_AUTH_USER'];
  60                 $this->settings['loginStatus'] = 'OK';
  61                 if ($CFG->admin_user == $this->settings['user'])
  62                     $this->settings['admin'] = true;
  63             }
  64         }
  65     }
  66
  67     private function log($message, $level = 1) {
  68         global $CFG;
  69
  70         if ($level > $this->log_level)
  71             return;
  72
  73         $time = date('c');
  74
  75         $priority = LOG_INFO;
  76         switch ($level) {
  77             case 1: $priority = LOG_ERR; break;
  78             case 2: $priority = LOG_WARNING; break;
  79             case 3: $priority = LOG_INFO; break;
  80             case 4: $priority = LOG_DEBUG; break;
  81         }
  82
  83         switch ($this->log_method) {
  84             case 'file':
  85             case 'stderr':
  86             case 'syslog':
  87                 syslog($priority, $message);
  88                 break;
  89         }
  90     }
  91
  92     private function initSettings() {
  93         $this->log("InitSettings", 4);
  94
  95         if ('' == session_id()) {
  96             $this->startSession();
  97         }
  98
  99         if (false !== $this->timeout) {
 100             $timeout = $this->timeout;
 101         } else {
 102             $timeout = 0;
 103         }
 104
 105         $this->settings = array(
 106             'user' => null,
 107             'admin' => false,
 108             'loginStatus' => 'Not logged in',
 109             'timeout' => $timeout
 110         );
 111
 112         $_SESSION['settings'] = $this->settings;
 113     }
 114
 115     private function startSession() {
 116         global $CFG;
 117
 118         $this->log("startSession", 4);
 119
 120         if (isset($CFG->session_timeout)) {
 121             $this->timeout = $CFG->session_timeout * 60;
 122         } else {
 123             $this->timeout = 20 * 60;
 124         }
 125
 126         if (ini_get('session.gc_maxlifetime') != $this->timeout)
 127             ini_set('session.gc_maxlifetime', $this->timeout);
 128         if (ini_get('session.cookie_lifetime') != $this->timeout)
 129             ini_set('session.cookie_lifetime', $this->timeout);
 130
 131         session_start();
 132     }
 133
 134     private function checkSession() {
 135         global $CFG;
 136
 137         $this->log("checkSession", 4);
 138
 139         if ('' == session_id()) {
 140             $this->startSession();
 141         }
 142
 143         $time = $_SERVER['REQUEST_TIME'];
 144         if (isset($_SESSION['LAST_ACTIVITY']) &&
 145                 ($time - $_SESSION['LAST_ACTIVITY']) >= $this->settings['timeout']) {
 146             echo 'R_TIME: '.date('c', $time).' L_ACT: '.date('c', $_SESSION['LAST_ACTIVITY']);
 147             $this->logout();
 148         } else {
 149             $_SESSION['LAST_ACTIVITY'] = $time;
 150         }
 151     }
 152
 153     public function logout() {
 154         $this->log("logout", 4);
 155
 156         if (ini_get('session.use_cookies')) {
 157             $params = session_get_cookie_params();
 158             setcookie(session_name(), '', time() - 42000,
 159                 $params['path'], $params['domain'],
 160                 $params['secure'], $params['httponly']);
 161         }
 162
 163         if ('' != session_id()) {
 164             $_SESSION = array();
 165             session_unset();
 166             session_destroy();
 167         }
 168         $this->settings = array();
 169     }
 170
 171     public function isAdmin() {
 172         $admin = false;
 173
 174         $this->log("isAdmin", 4);
 175
 176         if (isset($this->settings['admin'])) {
 177             $admin = $this->settings['admin'];
 178         }
 179
 180         return $admin;
 181     }
 182
 183     public function login($user, $pw) {
 184         global $CFG;
 185         $result = false;
 186
 187         $this->log("login", 4);
 188
 189         if ('' == session_id()) {
 190             $this->startSession();
 191         }
 192
 193         $this->settings['user'] = null;
 194         $this->settings['admin'] = false;
 195
 196         $p = explode('@', $user);
 197         if (count($p) != 2) {
 198            $this->settings['loginStatus'] = 'Bad username';
 199         } else {
 200             $domain = $p[1];
 201             $dn = "mail=$user,ou=Users,domainName=$domain,$CFG->ldap_base_dn";
 202             $filter = "(&(objectclass=mailUser)(accountStatus=active)(mail=$user))";
 203             $ds = @ldap_connect($CFG->ldap_dsn);
 204             if ($ds) {
 205                 @ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
 206                 $r = @ldap_bind($ds, $dn, $pw);
 207                 if ($r) {
 208                     $sr = @ldap_search($ds, $CFG->ldap_base_dn, $filter, array('mail','domainglobaladmin'));
 209                     $info = @ldap_get_entries($ds, $sr); // array
 210                     if ($info['count'] > 0) {
 211                         $this->settings['user'] = $user;
 212                         $result = true;
 213                         $this->settings['loginStatus'] = 'OK';
 214                         $admin = 'NO';
 215                         if (isset($info[0]['domainglobaladmin'])) {
 216                             $admin = $info[0]['domainglobaladmin'][0];
 217                             $admin = strtoupper($admin);
 218                         }
 219                         $this->settings['admin'] = ($admin == 'YES') ? true : false;
 220                     } else {
 221                         $this->settings['loginStatus'] = 'Login failed';
 222                     }
 223                 } else {
 224                     $this->settings['loginStatus'] = ldap_error($ds);
 225                 }
 226                 @ldap_close($ds);
 227             } else {
 228                 $this->settings['loginStatus'] = 'Connect to LDAP server failed';
 229             }
 230         }
 231
 232         $_SESSION['settings'] = $this->settings;
 233
 234         return $result;
 235     }
 236
 237     public function getLoginStatus() {
 238         $status = 'Not logged in';
 239
 240         $this->log("getLoginStatus", 4);
 241
 242         if (isset($this->settings['loginStatus'])) {
 243             $status = $this->settings['loginStatus'];
 244         }
 245
 246         return $status;
 247     }
 248
 249     public function isLoggedIn() {
 250         global $CFG;
 251         $loggedIn = false;
 252
 253         $this->log("isLoggedIn[1]: user ".var_export($this->settings['user'], true), 3);
 254
 255         if ('' == session_id()) {
 256             $this->startSession();
 257         }
 258
 259         $this->log("isLoggedIn[2]: user ".var_export($this->settings['user'], true), 3);
 260         $this->checkSession();
 261         $this->log("isLoggedIn[3]: user ".var_export($this->settings['user'], true), 3);
 262
 263         if (isset($this->settings['user'])) {
 264             if ($this->settings['user'] != null) {
 265                 $loggedIn = true;
 266             } else {
 267                 if ($CFG->auth_method == 'HTTP_AUTH') {
 268                     if (isset($_SERVER['PHP_AUTH_USER'])) {
 269                         $this->settings['user'] = $_SERVER['PHP_AUTH_USER'];
 270                         $loggedIn = true;
 271                     }
 272                 }
 273             }
 274         }
 275
 276         if ($loggedIn == false) {
 277             echo '$this->settings: '.var_export($this->settings, true);
 278             echo 'R_TIME: '.date('c', $_SERVER['REQUEST_TIME']).' L_ACT: '.date('c', $_SESSION['LAST_ACTIVITY']);
 279             //exit;
 280         }
 281
 282         $_SESSION['settings'] = $this->settings;
 283
 284         return $loggedIn;
 285     }
 286
 287     public function getUser() {
 288         $user = null;
 289
 290         $this->log("getUser", 4);
 291
 292         if ($this->isLoggedIn()) {
 293             $user = $this->settings['user'];
 294         }
 295
 296         return $user;
 297     }
 298
 299     public function getHeader() {
 300         $this->log("getHeader", 4);
 301
 302         return $this->header;
 303     }
 304
 305     public function getFooter() {
 306         $this->log("getFooter", 4);
 307
 308         return $this->footer;
 309     }
 310
 311     public function getHeading() {
 312         $this->log("getHeading", 4);
 313
 314         return $this->heading;
 315     }
 316
 317     public function setHeading($heading) {
 318         global $CFG;
 319
 320         $this->log("setHeading", 4);
 321
 322         $timeout = $CFG->session_timeout * 60 * 1000;
 323         $this->heading = str_replace('__TITLE__', $heading, $this->heading);
 324         $this->header = str_replace('__TITLE__', $heading, $this->header);
 325         $this->header = str_replace('__ROOT__', $CFG->wwwroot, $this->header);
 326         $this->header = str_replace('__TIMEOUT__', $timeout, $this->header);
 327     }
 328
 329     public function convertContent($code) {
 330         $this->log("convertContent", 4);
 331
 332         $table = array(
 333             'V' => 'Virus',
 334             'B' => 'Banned',
 335             'U' => 'Unchecked',
 336             'S' => 'Spam',
 337             'Y' => 'Spammy',
 338             'M' => 'Bad Mime',
 339             'H' => 'Bad Header',
 340             'O' => 'Over sized',
 341             'T' => 'MTA err',
 342             'C' => 'Clean'
 343         );
 344
 345         $string = $table[$code];
 346         if (empty($string))
 347             $string = 'Unknown';
 348
 349         return $string;
 350     }
 351
 352 }