SpeedportHybrid.class.php

   1 <?php
   2 require_once('RebootException.class.php');
   3 require_once('RouterException.class.php');
   4 require_once('CryptLib/CryptLib.php');
   5
   6 /**
   7  * @author      Jan Altensen (Stricted)
   8  * @license     GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
   9  * @copyright   2015 Jan Altensen (Stricted)
  10  */
  11 class SpeedportHybrid {
  12         /**
  13          *
  14          *
  15          */
  16         const VERSION = '1.0.3';
  17
  18         /**
  19          * password-challenge
  20          * @var string
  21          */
  22         private $challenge = '';
  23
  24         /**
  25          * csrf_token
  26          * @var string
  27          */
  28         private $token = '';
  29
  30         /**
  31          * hashed password
  32          * @var string
  33          */
  34         private $hash = '';
  35
  36         /**
  37          * session cookie
  38          * @var string
  39          */
  40         private $cookie = '';
  41
  42         /**
  43          * router url
  44          * @var string
  45          */
  46         private $url = '';
  47
  48         /**
  49          * derivedk cookie
  50          * @var string
  51          */
  52         private $derivedk = '';
  53
  54         public function __construct ($url = 'http://speedport.ip/') {
  55                 $this->url = $url;
  56         }
  57
  58         /**
  59          * Requests the password-challenge from the router.
  60          */
  61         private function getChallenge () {
  62                 $path = 'data/Login.json';
  63                 $fields = array('csrf_token' => 'nulltoken', 'showpw' => 0, 'challengev' => 'null');
  64                 $data = $this->sentRequest($path, $fields);
  65                 $data = $this->getValues($data['body']);
  66
  67                 if (isset($data['challengev']) && !empty($data['challengev'])) {
  68                         return $data['challengev'];
  69                 }
  70                 else {
  71                         throw new RouterException('unable to get the challenge from the router');
  72                 }
  73         }
  74
  75         /**
  76          * login into the router with the given password
  77          *
  78          * @param       string  $password
  79          * @return      boolean
  80          */
  81         public function login ($password) {
  82                 $this->challenge = $this->getChallenge();
  83
  84                 $path = 'data/Login.json';
  85                 $this->hash = hash('sha256', $this->challenge.':'.$password);
  86                 $fields = array('csrf_token' => 'nulltoken', 'showpw' => 0, 'password' => $this->hash);
  87                 $data = $this->sentRequest($path, $fields);
  88                 $json = $this->getValues($data['body']);
  89
  90                 if (isset($json['login']) && $json['login'] == 'success') {
  91                         $this->cookie = $this->getCookie($data);
  92
  93                         $this->derivedk = $this->getDerviedk($password);
  94
  95                         // get the csrf_token
  96                         $this->token = $this->getToken();
  97
  98                         if ($this->checkLogin(false) === true) {
  99                                 return true;
 100                         }
 101                 }
 102
 103                 return false;
 104         }
 105
 106         /**
 107          * check if we are logged in
 108          *
 109          * @param       boolean $exception
 110          * @return      boolean
 111          */
 112         public function checkLogin ($exception = true) {
 113                 // check if challenge or session is empty
 114                 if (empty($this->challenge) || empty($this->cookie)) {
 115                         if ($exception === true) {
 116                                 throw new RouterException('you musst be logged in to use this method');
 117                         }
 118
 119                         return false;
 120                 }
 121
 122                 $path = 'data/SecureStatus.json';
 123                 $fields = array();
 124                 $data = $this->sentRequest($path, $fields, true);
 125                 $data = $this->getValues($data['body']);
 126
 127                 if ($data['loginstate'] != 1) {
 128                         if ($exception === true) {
 129                                 throw new RouterException('you musst be logged in to use this method');
 130                         }
 131
 132                         return false;
 133                 }
 134
 135                 return true;
 136         }
 137
 138         /**
 139          * logout
 140          *
 141          * @return      boolean
 142          */
 143         public function logout () {
 144                 $this->checkLogin();
 145
 146                 $path = 'data/Login.json';
 147                 $fields = array('csrf_token' =>  $this->token, 'logout' => 'byby');
 148                 $data = $this->sentRequest($path, $fields, true);
 149                 $data = $this->getValues($data['body']);
 150                 if ((isset($data['status']) && $data['status'] == 'ok') && $this->checkLogin(false) === false) {
 151                         // reset challenge and session
 152                         $this->challenge = '';
 153                         $this->cookie = '';
 154                         $this->token = '';
 155                         $this->derivedk = '';
 156
 157                         return true;
 158                 }
 159
 160                 return false;
 161         }
 162
 163         /**
 164          * reboot the router
 165          *
 166          * @return      boolean
 167          */
 168         public function reboot () {
 169                 $this->checkLogin();
 170
 171                 $path = 'data/Reboot.json';
 172                 $fields = array('csrf_token' => $this->token, 'reboot_device' => 'true');
 173                 $data = $this->sentEncryptedRequest($path, $fields, true);
 174                 $data = $this->getValues($data['body']);
 175
 176                 if ($data['status'] == 'ok') {
 177                         // reset challenge and session
 178                         $this->challenge = '';
 179                         $this->cookie = '';
 180                         $this->token = '';
 181                         $this->derivedk = '';
 182
 183                         // throw an exception because router is unavailable for other tasks
 184                         // like $this->logout() or $this->checkLogin
 185                         throw new RebootException('Router Reboot');
 186                 }
 187
 188                 return false;
 189         }
 190
 191         /**
 192          * change dsl connection status
 193          *
 194          * @param       string  $status
 195          * @return      boolean
 196          */
 197         public function changeConnectionStatus ($status) {
 198                 $this->checkLogin();
 199
 200                 $path = 'data/Connect.json';
 201
 202                 if ($status == 'online' || $status == 'offline') {
 203                         $fields = array('csrf_token' => 'nulltoken', 'showpw' => 0, 'password' => $this->hash, 'req_connect' => $status);
 204                         $data = $this->sentRequest($path, $fields, true);
 205                         $data = $this->getValues($data['body']);
 206
 207                         if ($data['status'] == 'ok') {
 208                                 return true;
 209                         }
 210                         else {
 211                                 return false;
 212                         }
 213                 }
 214                 else {
 215                         throw new RouterException();
 216                 }
 217         }
 218
 219         /**
 220          * get uptime based on online (connection) time
 221          *
 222          * @return      string
 223          */
 224         public function getUptime () {
 225                 $data = $this->getData('LAN');
 226                 $data = $this->getValues($data);
 227
 228                 return $data['days_online'];
 229         }
 230
 231         /**
 232          * return the given json as array
 233          *
 234          * @param       string  $file
 235          * @return      array
 236          */
 237         public function getData ($file) {
 238                 if ($file != 'Status') $this->checkLogin();
 239
 240                 $path = 'data/'.$file.'.json';
 241                 $fields = array();
 242                 $data = $this->sentRequest($path, $fields, true);
 243
 244                 return $data['body'];
 245         }
 246
 247         /**
 248          * get the router syslog
 249          *
 250          * @return      array
 251          */
 252         public function getSyslog() {
 253                 $data = $this->getData('SystemMessages');
 254                 $data = $this->getValues($data);
 255
 256                 if (isset($data['addmessage'])) {
 257                         return $data['addmessage'];
 258                 }
 259                 else {
 260                         return array();
 261                 }
 262         }
 263
 264         /**
 265          * get the Missed Calls from router
 266          *
 267          * @return      array
 268          */
 269         public function getMissedCalls() {
 270                 $data = $this->getData('PhoneCalls');
 271                 $data = $this->getValues($data);
 272
 273                 if (isset($data['addmissedcalls'])) {
 274                         return $data['addmissedcalls'];
 275                 }
 276                 else {
 277                         return array();
 278                 }
 279         }
 280
 281         /**
 282          * get the Taken Calls from router
 283          *
 284          * @return      array
 285          */
 286         public function getTakenCalls() {
 287                 $data = $this->getData('PhoneCalls');
 288                 $data = $this->getValues($data);
 289
 290                 if (isset($data['addtakencalls'])) {
 291                         return $data['addtakencalls'];
 292                 }
 293                 else {
 294                         return array();
 295                 }
 296         }
 297
 298         /**
 299          * get the Dialed Calls from router
 300          *
 301          * @return      array
 302          */
 303         public function getDialedCalls() {
 304                 $data = $this->getData('PhoneCalls');
 305                 $data = $this->getValues($data);
 306
 307                 if (isset($data['adddialedcalls'])) {
 308                         return $data['adddialedcalls'];
 309                 }
 310                 else {
 311                         return array();
 312                 }
 313         }
 314
 315         /**
 316          * reconnect LTE
 317          *
 318          * @return      array
 319          */
 320         public function reconnectLte () {
 321                 $this->checkLogin();
 322
 323                 $path = 'data/modules.json';
 324                 $fields = array('csrf_token' => $this->token, 'lte_reconn' => '1');
 325                 $data = $this->sentEncryptedRequest($path, $fields, true);
 326
 327                 return $data['body'];
 328         }
 329
 330         /**
 331          * reset the router to Factory Default
 332          * not tested
 333          *
 334          * @return      array
 335          */
 336         public function resetToFactoryDefault () {
 337                 $this->checkLogin();
 338
 339                 $path = 'data/resetAllSetting.json';
 340                 $fields = array('csrf_token' => 'nulltoken', 'showpw' => 0, 'password' => $this->hash, 'reset_all' => 'true');
 341                 $data = $this->sentRequest($path, $fields, true);
 342
 343                 return $data['body'];
 344         }
 345
 346
 347         /**
 348          * check if firmware is actual
 349          *
 350          * @return      array
 351          */
 352         public function checkFirmware () {
 353                 $this->checkLogin();
 354
 355                 $path = 'data/checkfirmware.json';
 356                 $fields = array('checkfirmware' => 'true');
 357                 $data = $this->sentRequest($path, $fields, true);
 358
 359                 return $data['body'];
 360         }
 361
 362         /**
 363          * decrypt data from router
 364          *
 365          * @param       string  $data
 366          * @return      array
 367          */
 368         private function decrypt ($data) {
 369                 $factory = new CryptLib\Cipher\Factory();
 370                 $aes = $factory->getBlockCipher('rijndael-128');
 371
 372                 $iv = hex2bin(substr($this->challenge, 16, 16));
 373                 $adata = hex2bin(substr($this->challenge, 32, 16));
 374                 $dkey = hex2bin($this->derivedk);
 375                 $enc = hex2bin($data);
 376
 377                 $aes->setKey($dkey);
 378                 $mode = $factory->getMode('ccm', $aes, $iv, [ 'adata' => $adata, 'lSize' => 7]);
 379
 380                 $mode->decrypt($enc);
 381
 382                 return $mode->finish();
 383         }
 384
 385         /**
 386          * decrypt data for the router
 387          *
 388          * @param       array   $data
 389          * @return      string
 390          */
 391         private function encrypt ($data) {
 392                 $factory = new CryptLib\Cipher\Factory();
 393                 $aes = $factory->getBlockCipher('rijndael-128');
 394
 395                 $iv = hex2bin(substr($this->challenge, 16, 16));
 396                 $adata = hex2bin(substr($this->challenge, 32, 16));
 397                 $dkey = hex2bin($this->derivedk);
 398
 399                 $aes->setKey($dkey);
 400                 $mode = $factory->getMode('ccm', $aes, $iv, [ 'adata' => $adata, 'lSize' => 7]);
 401                 $mode->encrypt(http_build_query($data));
 402
 403                 return bin2hex($mode->finish());
 404         }
 405
 406         /**
 407          * get the values from array
 408          *
 409          * @param       array   $array
 410          * @return      array
 411          */
 412         private function getValues($array) {
 413                 $data = array();
 414                 foreach ($array as $item) {
 415                         // thank you telekom for this piece of shit
 416                         if ($item['vartype'] == 'template') {
 417                                 if (is_array($item['varvalue'])) {
 418                                         $data[$item['varid']][] = $this->getValues($item['varvalue']);
 419                                 }
 420                                 else {
 421                                         $data[$item['varid']] = $item['varvalue'];
 422                                 }
 423                         }
 424                         else {
 425                                 if (is_array($item['varvalue'])) {
 426                                         $data[$item['varid']] = $this->getValues($item['varvalue']);
 427                                 }
 428                                 else {
 429                                         $data[$item['varid']] = $item['varvalue'];
 430                                 }
 431                         }
 432                 }
 433
 434                 return $data;
 435         }
 436
 437         /**
 438          * sends the encrypted request to router
 439          *
 440          * @param       string  $path
 441          * @param       mixed   $fields
 442          * @param       string  $cookie
 443          * @return      array
 444          */
 445         private function sentEncryptedRequest ($path, $fields, $cookie = false) {
 446                 $count = count($fields);
 447                 $fields = $this->encrypt($fields);
 448                 return $this->sentRequest($path, $fields, $cookie, $count);
 449         }
 450
 451         /**
 452          * sends the request to router
 453          *
 454          * @param       string  $path
 455          * @param       mixed   $fields
 456          * @param       string  $cookie
 457          * @param       integer $count
 458          * @return      array
 459          */
 460         private function sentRequest ($path, $fields, $cookie = false, $count = 0) {
 461                 $url = $this->url.$path.'?lang=en';
 462                 $ch = curl_init();
 463                 curl_setopt($ch, CURLOPT_URL, $url);
 464
 465                 if (!empty($fields)) {
 466                         if (is_array($fields)) {
 467                                 curl_setopt($ch, CURLOPT_POST, count($fields));
 468                                 curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($fields));
 469                         }
 470                         else {
 471                                 curl_setopt($ch, CURLOPT_POST, $count);
 472                                 curl_setopt($ch, CURLOPT_POSTFIELDS, $fields);
 473                         }
 474                 }
 475
 476                 if ($cookie === true) {
 477                         curl_setopt($ch, CURLOPT_COOKIE, 'lang=en; challengev='.$this->challenge.'; '.$this->cookie);
 478                 }
 479
 480                 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 481                 curl_setopt($ch, CURLOPT_HEADER, true);
 482
 483                 $result = curl_exec($ch);
 484
 485                 $header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
 486                 $header = substr($result, 0, $header_size);
 487                 $body = substr($result, $header_size);
 488                 curl_close($ch);
 489
 490                 // check if response is empty
 491                 if (empty($body)) {
 492                         throw new RouterException('empty response');
 493                 }
 494
 495                 // check if body is encrypted (hex instead of json)
 496                 if (ctype_xdigit($body)) {
 497                         $body = $this->decrypt($body);
 498                 }
 499
 500                 // fix invalid json
 501                 $body = preg_replace("/(\r\n)|(\r)/", "\n", $body);
 502                 $body = preg_replace('/\'/i', '"', $body);
 503                 $body = preg_replace("/\[\s+\]/i", '[ {} ]', $body);
 504                 $body = preg_replace("/},\s+]/", "}\n]", $body);
 505
 506                 // decode json
 507                 if (strpos($url, '.json') !== false) {
 508                         $body = json_decode($body, true);
 509                 }
 510
 511                 return array('header' => $this->parse_headers($header), 'body' => $body);
 512         }
 513
 514         /**
 515          * get the csrf_token
 516          *
 517          * @return      string
 518          */
 519         private function getToken () {
 520                 $this->checkLogin();
 521
 522                 $path = 'html/content/overview/index.html';
 523                 $fields = array();
 524                 $data = $this->sentRequest($path, $fields, true);
 525
 526                 $a = explode('csrf_token = "', $data['body']);
 527                 $a = explode('";', $a[1]);
 528
 529                 if (isset($a[0]) && !empty($a[0])) {
 530                         return $a[0];
 531                 }
 532                 else {
 533                         throw new RouterException('unable to get csrf_token');
 534                 }
 535         }
 536
 537         /**
 538          * calculate the derivedk
 539          *
 540          * @param       string  $password
 541          * @return      string
 542          */
 543         private function getDerviedk ($password) {
 544                 $derivedk = '';
 545
 546                 // calculate derivedk
 547                 if (!function_exists('hash_pbkdf2')) {
 548                         $pbkdf2 = new CryptLib\Key\Derivation\PBKDF\PBKDF2(array('hash' => 'sha1'));
 549                         $derivedk = bin2hex($pbkdf2->derive(hash('sha256', $password), substr($this->challenge, 0, 16), 1000, 32));
 550                         $derivedk = substr($derivedk, 0, 32);
 551                 }
 552                 else {
 553                         $derivedk = hash_pbkdf2('sha1', hash('sha256', $password), substr($this->challenge, 0, 16), 1000, 32);
 554                 }
 555
 556                 if (empty($derivedk)) {
 557                         throw new RouterException('unable to calculate derivedk');
 558                 }
 559
 560                 return $derivedk;
 561         }
 562
 563         /**
 564          * get cookie from header data
 565          *
 566          * @param       array   $data
 567          * @return      string
 568          */
 569         private function getCookie ($data) {
 570                 $cookie = '';
 571                 if (isset($data['header']['Set-Cookie']) && !empty($data['header']['Set-Cookie'])) {
 572                         preg_match('/^.*(SessionID_R3=[a-z0-9]*).*/i', $data['header']['Set-Cookie'], $match);
 573                         if (isset($match[1]) && !empty($match[1])) {
 574                                 $cookie = $match[1];
 575                         }
 576                 }
 577
 578                 if (empty($cookie)) {
 579                         throw new RouterException('unable to get the session cookie from the router');
 580                 }
 581
 582                 return $cookie;
 583         }
 584
 585         /**
 586          * parse the curl return header into an array
 587          *
 588          * @param       string  $response
 589          * @return      array
 590          */
 591         private function parse_headers($response) {
 592                 $headers = array();
 593                 $header_text = substr($response, 0, strpos($response, "\r\n\r\n"));
 594
 595                 $header_text = explode("\r\n", $header_text);
 596                 foreach ($header_text as $i => $line) {
 597                         if ($i === 0) {
 598                                 $headers['http_code'] = $line;
 599                         }
 600                         else {
 601                                 list ($key, $value) = explode(': ', $line);
 602                                 $headers[$key] = $value;
 603                         }
 604                 }
 605
 606                 return $headers;
 607         }
 608 }