lib/utils.inc.php

   1 <?php
   2 /* vim: set ts=4 tw=0 sw=4 noet: */
   3 require_once $CFG->root .'config.php';
   4 require_once $CFG->root . 'lib/session_handler.inc.php';
   5
   6 class Utils {
   7
   8     private $timeout = false;
   9     private $settings;
  10     private $log_level;
  11     private $log_method;
  12     private $header = '<!DOCTYPE html>
  13 <html>
  14 <head>
  15     <meta charset="utf-8">
  16     <link rel="stylesheet" href="css/styles.css">
  17     <script>
  18         var timeout = __TIMEOUT__;
  19     </script>
  20     <script src="__ROOT__js/timer.js"></script>
  21     <script src="__ROOT__js/checkbox.js"></script>
  22     <script src="__ROOT__js/forms.js"></script>
  23     <title>__TITLE__</title>
  24 </head>
  25 <body><div id="container">';
  26     private $footer = '</div><div id="footer"><p>Powered by <a href="https://qtadmin.datanom.net"
  27             title="Goto QtAdmin homepage">QtAdmin</a>. &copy; 2015 by Michael Rasmussen</p>
  28     </div></body></html>';
  29     private $heading = '<p id="time" class="time">Session timeout:
  30             <span id="timer"></span></p><h1 class="h1">__TITLE__</h1>';
  31
  32     public function __construct() {
  33         global $CFG;
  34
  35         if (isset($CFG->log_level)) {
  36             $this->log_level = $CFG->log_level;
  37         } else {
  38             $this->log_level = 1;
  39         }
  40
  41         if (isset($CFG->log_method)) {
  42             $this->log_method = $CFG->log_method;
  43         } else {
  44             $this->log_level = 'syslog';
  45         }
  46
  47         $this->log("Init Utils", 4);
  48
  49         $this->log("__construct[1]: user ".var_export($this->settings['user'], true), 3);
  50         $this->startSession();
  51         $this->log("__construct[2]: user ".var_export($this->settings['user'], true), 3);
  52
  53         if (! isset($_SESSION['settings'])) {
  54             $this->initSettings();
  55         }
  56         $this->log("__construct[3]: user ".var_export($this->settings['user'], true), 3);
  57         $this->settings = $_SESSION['settings'];
  58         $this->log("__construct[4]: user ".var_export($this->settings['user'], true), 3);
  59
  60         if ($CFG->auth_method == 'HTTP_AUTH') {
  61             if (isset($_SERVER['PHP_AUTH_USER'])) {
  62                 $this->settings['user'] = $_SERVER['PHP_AUTH_USER'];
  63                 $this->settings['loginStatus'] = 'OK';
  64                 if ($CFG->admin_user == $this->settings['user'])
  65                     $this->settings['admin'] = true;
  66             }
  67         }
  68     }
  69
  70     private function log($message, $level = 1) {
  71         global $CFG;
  72
  73         if ($level > $this->log_level)
  74             return;
  75
  76         $time = date('c');
  77
  78         $priority = LOG_INFO;
  79         switch ($level) {
  80             case 1: $priority = LOG_ERR; break;
  81             case 2: $priority = LOG_WARNING; break;
  82             case 3: $priority = LOG_INFO; break;
  83             case 4: $priority = LOG_DEBUG; break;
  84         }
  85
  86         switch ($this->log_method) {
  87             case 'file':
  88                 if (isset($CFG->log_file)) {
  89                     if ($CFG->log_file[0] == '/') {
  90                         $file = $CFG->log_file;
  91                     } else {
  92                         $file = $CFG->root.$CFG->log_file;
  93                     }
  94                 } else {
  95                     $file = $CFG->root.'qtadmin.log';
  96                 }
  97                 file_put_contents($file, "[$time]: $message\n", FILE_APPEND | LOCK_EX);
  98                 chmod($file, 0600);
  99                 break;
 100             case 'stderr':
 101                 file_put_contents('php://stderr', "[$time]: $message\n");
 102                 break;
 103             case 'syslog':
 104                 syslog($priority, $message);
 105                 break;
 106         }
 107     }
 108
 109     private function initSettings() {
 110         $this->log("InitSettings", 4);
 111
 112         if ('' == session_id()) {
 113             $this->startSession();
 114         }
 115
 116         if (false !== $this->timeout) {
 117             $timeout = $this->timeout;
 118         } else {
 119             $timeout = 0;
 120         }
 121
 122         $this->settings = array(
 123             'user' => null,
 124             'admin' => false,
 125             'loginStatus' => 'Not logged in',
 126             'timeout' => $timeout
 127         );
 128
 129         $_SESSION['settings'] = $this->settings;
 130     }
 131
 132     private function startSession() {
 133         global $CFG;
 134
 135         $this->log("startSession", 4);
 136
 137         if (isset($CFG->session_timeout)) {
 138             $this->timeout = $CFG->session_timeout * 60;
 139         } else {
 140             $this->timeout = 20 * 60;
 141         }
 142
 143         if (ini_get('session.gc_maxlifetime') != $this->timeout)
 144             ini_set('session.gc_maxlifetime', $this->timeout);
 145         //if (ini_get('session.cookie_lifetime') != $this->timeout)
 146         //    ini_set('session.cookie_lifetime', $this->timeout);
 147         ini_set('session.cookie_lifetime', 0);
 148
 149         session_start();
 150     }
 151
 152     private function checkSession() {
 153         global $CFG;
 154
 155         $this->log("checkSession", 4);
 156
 157         if ('' == session_id()) {
 158             $this->startSession();
 159         }
 160
 161         $time = $_SERVER['REQUEST_TIME'];
 162         if (isset($_SESSION['LAST_ACTIVITY']) &&
 163                 ($time - $_SESSION['LAST_ACTIVITY']) >= $this->settings['timeout']) {
 164             $this->log('R_TIME: '.date('c', $time).' L_ACT: '.date('c', $_SESSION['LAST_ACTIVITY'].
 165             'Test: '.($time - $_SESSION['LAST_ACTIVITY'])).' >= '.$this->settings['timeout'], 3);
 166             $this->logout();
 167         } else {
 168             $_SESSION['LAST_ACTIVITY'] = $time;
 169         }
 170     }
 171
 172     private function getCSRFPreventionToken($ticket) {
 173         return array('CSRFPreventionToken: ' . $ticket->CSRFPreventionToken);
 174     }
 175
 176     private function getRestTicket($username, $password) {
 177         $result = false;
 178         $url = $CFG->wblistadm_url . '/ticket';
 179
 180         $data = "username=$username&password=$password";
 181         $response = $this->RESTCall($url, $data, $cookiesIn = '');
 182         if ($response['http_code'] >= 200 && $response['http_code'] <= 204) {
 183             $data = json_decode($response['content']);
 184             $_SESSION['ticket'] = $data->data;
 185             $_SESSION['cookies'] = $response['cookies'];
 186             $result = true;
 187         }
 188
 189         return $result;
 190     }
 191
 192     public function makeRestCall($method, $data = null) {
 193         $result;
 194
 195         $url = $CFG->wblistadm_url . "/$method";
 196         $token = $this->getCSRFPreventionToken($_SESSION['ticket']);
 197         $response = $this->RESTCall($url, $data, $_SESSION['cookies'], $token);
 198
 199         if ($response['http_code'] >= 200 && $response['http_code'] <= 204) {
 200             if ($data) {
 201                 // HTTP POST
 202                 $result = true;
 203             } else {
 204                 // HTTP GET
 205                 $data = json_decode($response['content']);
 206                 $result = $data->data;
 207             }
 208         } else {
 209             $result = ($data) ? false : array();
 210         }
 211
 212         return $result;
 213     }
 214
 215     private function RESTCall($url, $data = null, $cookiesIn = '', $headers = null) {
 216         $options = array(
 217             CURLOPT_RETURNTRANSFER => true,     // return web page
 218             CURLOPT_HEADER         => true,     //return headers in addition to content
 219             CURLOPT_FOLLOWLOCATION => true,     // follow redirects
 220             CURLOPT_ENCODING       => "",       // handle all encodings
 221             CURLOPT_AUTOREFERER    => true,     // set referer on redirect
 222             CURLOPT_CONNECTTIMEOUT => 120,      // timeout on connect
 223             CURLOPT_TIMEOUT        => 120,      // timeout on response
 224             CURLOPT_MAXREDIRS      => 10,       // stop after 10 redirects
 225             CURLINFO_HEADER_OUT    => true,
 226             CURLOPT_SSL_VERIFYPEER => false,     // Disabled SSL Cert checks
 227             CURLOPT_HTTP_VERSION   => CURL_HTTP_VERSION_1_1,
 228             CURLOPT_COOKIE         => $cookiesIn
 229         );
 230
 231         if ($data) {
 232             $options[CURLOPT_POST] = 1;
 233             $options[CURLOPT_POSTFIELDS] = $data;
 234         }
 235
 236         if ($headers) {
 237             $options[CURLOPT_HTTPHEADER] = $headers;
 238         }
 239
 240         $ch = curl_init($url);
 241         curl_setopt_array($ch, $options);
 242         $rough_content = curl_exec($ch);
 243         $err = curl_errno($ch);
 244         $errmsg = curl_error($ch);
 245         $header = curl_getinfo($ch);
 246         curl_close($ch);
 247
 248         $header_content = substr($rough_content, 0, $header['header_size']);
 249         $body_content = trim(str_replace($header_content, '', $rough_content));
 250         $pattern = "#Set-Cookie:\\s+(?<cookie>[^=]+=[^;]+)#m";
 251         preg_match_all($pattern, $header_content, $matches);
 252         $cookiesOut = implode("; ", $matches['cookie']);
 253
 254         $header['errno']   = $err;
 255         $header['errmsg']  = $errmsg;
 256         $header['headers'] = $header_content;
 257         $header['content'] = $body_content;
 258         $header['cookies'] = $cookiesOut;
 259
 260         return $header;
 261     }
 262
 263     public function logout() {
 264         $this->log("logout", 4);
 265
 266         if (ini_get('session.use_cookies')) {
 267             $params = session_get_cookie_params();
 268             setcookie(session_name(), '', time() - 42000,
 269                 $params['path'], $params['domain'],
 270                 $params['secure'], $params['httponly']);
 271         }
 272
 273         if ('' != session_id()) {
 274             $_SESSION = array();
 275             session_unset();
 276             session_destroy();
 277         }
 278         $this->settings = array();
 279     }
 280
 281     public function isAdmin() {
 282         $admin = false;
 283
 284         $this->log("isAdmin", 4);
 285
 286         if (isset($this->settings['admin'])) {
 287             $admin = $this->settings['admin'];
 288         }
 289
 290         return $admin;
 291     }
 292
 293     public function login($user, $pw) {
 294         global $CFG;
 295         $result = false;
 296
 297         $this->log("login", 4);
 298
 299         if ('' == session_id()) {
 300             $this->startSession();
 301         }
 302
 303         $this->settings['user'] = null;
 304         $this->settings['admin'] = false;
 305
 306         $p = explode('@', $user);
 307         if (count($p) != 2) {
 308            $this->settings['loginStatus'] = 'Bad username';
 309         } else {
 310             $domain = $p[1];
 311             $dn = "mail=$user,ou=Users,domainName=$domain,$CFG->ldap_base_dn";
 312             $filter = "(&(objectclass=mailUser)(accountStatus=active)(mail=$user))";
 313             $ds = @ldap_connect($CFG->ldap_dsn);
 314             if ($ds) {
 315                 @ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
 316                 $r = @ldap_bind($ds, $dn, $pw);
 317                 if ($r) {
 318                     $sr = @ldap_search($ds, $CFG->ldap_base_dn, $filter, array('mail','domainglobaladmin'));
 319                     $info = @ldap_get_entries($ds, $sr); // array
 320                     if ($info['count'] > 0) {
 321                         // Log in to wblistadm server and get CSRFPreventionToken
 322                         if ($this->getRestTicket($user, $pw)) {
 323                             $this->settings['user'] = $user;
 324                             $result = true;
 325                             $this->settings['loginStatus'] = 'OK';
 326                             $admin = 'NO';
 327                             if (isset($info[0]['domainglobaladmin'])) {
 328                                 $admin = $info[0]['domainglobaladmin'][0];
 329                                 $admin = strtoupper($admin);
 330                             }
 331                             $this->settings['admin'] = ($admin == 'YES') ? true : false;
 332                         } else {
 333                             $this->settings['loginStatus'] = 'Login failed';
 334                         }
 335                     } else {
 336                         $this->settings['loginStatus'] = 'Login failed';
 337                     }
 338                 } else {
 339                     $this->settings['loginStatus'] = ldap_error($ds);
 340                 }
 341                 @ldap_close($ds);
 342             } else {
 343                 $this->settings['loginStatus'] = 'Connect to LDAP server failed';
 344             }
 345         }
 346
 347         $_SESSION['settings'] = $this->settings;
 348
 349         return $result;
 350     }
 351
 352     public function getLoginStatus() {
 353         $status = 'Not logged in';
 354
 355         $this->log("getLoginStatus", 4);
 356
 357         if (isset($this->settings['loginStatus'])) {
 358             $status = $this->settings['loginStatus'];
 359         }
 360
 361         return $status;
 362     }
 363
 364     public function isLoggedIn() {
 365         global $CFG;
 366         $loggedIn = false;
 367
 368         $this->log("isLoggedIn[1]: user ".var_export($this->settings['user'], true), 3);
 369
 370         if ('' == session_id()) {
 371             $this->startSession();
 372         }
 373
 374         $this->log("isLoggedIn[2]: user ".var_export($this->settings['user'], true), 3);
 375         $this->checkSession();
 376         $this->log("isLoggedIn[3]: user ".var_export($this->settings['user'], true), 3);
 377
 378         if (isset($this->settings['user'])) {
 379             if ($this->settings['user'] != null) {
 380                 $loggedIn = true;
 381             } else {
 382                 if ($CFG->auth_method == 'HTTP_AUTH') {
 383                     if (isset($_SERVER['PHP_AUTH_USER'])) {
 384                         $this->settings['user'] = $_SERVER['PHP_AUTH_USER'];
 385                         $loggedIn = true;
 386                     }
 387                 }
 388             }
 389         }
 390
 391         if ($loggedIn == false) {
 392             $this->log('$this->settings: '.var_export($this->settings, true), 3);
 393             $this->log('R_TIME: '.date('c', $_SERVER['REQUEST_TIME']).' L_ACT: '.date('c', $_SESSION['LAST_ACTIVITY']), 3);
 394         }
 395
 396         $_SESSION['settings'] = $this->settings;
 397
 398         return $loggedIn;
 399     }
 400
 401     public function getUser() {
 402         $user = null;
 403
 404         $this->log("getUser", 4);
 405
 406         if ($this->isLoggedIn()) {
 407             $user = $this->settings['user'];
 408         }
 409
 410         return $user;
 411     }
 412
 413     public function authorized($recipient) {
 414         $authorized = false;
 415
 416         $this->log("authorized '$recipient'", 3);
 417
 418         if ($this->isAdmin() || $this->getUser() == $recipient) {
 419             $authorized = true;
 420         }
 421         $msg = ($authorized) ? 'authorize' : 'not authorize';
 422         $this->log("$msg '".$this->getUser()."' rcpt '$recipient'", 3);
 423
 424         return $authorized;
 425     }
 426
 427     public function getHeader() {
 428         $this->log("getHeader", 4);
 429
 430         return $this->header;
 431     }
 432
 433     public function getFooter() {
 434         $this->log("getFooter", 4);
 435
 436         return $this->footer;
 437     }
 438
 439     public function getHeading() {
 440         $this->log("getHeading", 4);
 441
 442         return $this->heading;
 443     }
 444
 445     public function setHeading($heading) {
 446         global $CFG;
 447
 448         $this->log("setHeading", 4);
 449
 450         $timeout = $CFG->session_timeout * 60 * 1000;
 451         $this->heading = str_replace('__TITLE__', $heading, $this->heading);
 452         $this->header = str_replace('__TITLE__', $heading, $this->header);
 453         $this->header = str_replace('__ROOT__', $CFG->wwwroot, $this->header);
 454         $this->header = str_replace('__TIMEOUT__', $timeout, $this->header);
 455     }
 456
 457     public function convertContent($code) {
 458         $this->log("convertContent", 4);
 459
 460         $table = array(
 461             'V' => 'Virus',
 462             'B' => 'Banned',
 463             'U' => 'Unchecked',
 464             'S' => 'Spam',
 465             'Y' => 'Spammy',
 466             'M' => 'Bad Mime',
 467             'H' => 'Bad Header',
 468             'O' => 'Over sized',
 469             'T' => 'MTA err',
 470             'C' => 'Clean'
 471         );
 472
 473         $string = $table[$code];
 474         if (empty($string))
 475             $string = 'Unknown';
 476
 477         return $string;
 478     }
 479
 480 }