| 1 | <?php |
| 2 | require_once('RebootException.class.php'); |
| 3 | require_once('RouterException.class.php'); |
| 4 | require_once('CryptLib/CryptLib.php'); |
| 5 | require_once('Connection.class.php'); |
| 6 | require_once('Phone.class.php'); |
| 7 | require_once('System.class.php'); |
| 8 | |
| 9 | /** |
| 10 | * @author Jan Altensen (Stricted) |
| 11 | * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php> |
| 12 | * @copyright 2015 Jan Altensen (Stricted) |
| 13 | */ |
| 14 | class SpeedportHybrid { |
| 15 | use Connection; |
| 16 | use Phone; |
| 17 | use System; |
| 18 | |
| 19 | /** |
| 20 | * class version |
| 21 | * @const string |
| 22 | */ |
| 23 | const VERSION = '1.0.3'; |
| 24 | |
| 25 | /** |
| 26 | * password-challenge |
| 27 | * @var string |
| 28 | */ |
| 29 | private $challenge = ''; |
| 30 | |
| 31 | /** |
| 32 | * csrf_token |
| 33 | * @var string |
| 34 | */ |
| 35 | private $token = ''; |
| 36 | |
| 37 | /** |
| 38 | * hashed password |
| 39 | * @var string |
| 40 | */ |
| 41 | private $hash = ''; |
| 42 | |
| 43 | /** |
| 44 | * session cookie |
| 45 | * @var string |
| 46 | */ |
| 47 | private $cookie = ''; |
| 48 | |
| 49 | /** |
| 50 | * router url |
| 51 | * @var string |
| 52 | */ |
| 53 | private $url = ''; |
| 54 | |
| 55 | /** |
| 56 | * derivedk cookie |
| 57 | * @var string |
| 58 | */ |
| 59 | private $derivedk = ''; |
| 60 | |
| 61 | public function __construct ($url = 'http://speedport.ip/') { |
| 62 | $this->url = $url; |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Requests the password-challenge from the router. |
| 67 | */ |
| 68 | private function getChallenge () { |
| 69 | $path = 'data/Login.json'; |
| 70 | $fields = array('csrf_token' => 'nulltoken', 'showpw' => 0, 'challengev' => 'null'); |
| 71 | $data = $this->sentRequest($path, $fields); |
| 72 | $data = $this->getValues($data['body']); |
| 73 | |
| 74 | if (isset($data['challengev']) && !empty($data['challengev'])) { |
| 75 | return $data['challengev']; |
| 76 | } |
| 77 | else { |
| 78 | throw new RouterException('unable to get the challenge from the router'); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * login into the router with the given password |
| 84 | * |
| 85 | * @param string $password |
| 86 | * @return boolean |
| 87 | */ |
| 88 | public function login ($password) { |
| 89 | $this->challenge = $this->getChallenge(); |
| 90 | |
| 91 | $path = 'data/Login.json'; |
| 92 | $this->hash = hash('sha256', $this->challenge.':'.$password); |
| 93 | $fields = array('csrf_token' => 'nulltoken', 'showpw' => 0, 'password' => $this->hash); |
| 94 | $data = $this->sentRequest($path, $fields); |
| 95 | $json = $this->getValues($data['body']); |
| 96 | |
| 97 | if (isset($json['login']) && $json['login'] == 'success') { |
| 98 | $this->cookie = $this->getCookie($data); |
| 99 | |
| 100 | $this->derivedk = $this->getDerviedk($password); |
| 101 | |
| 102 | // get the csrf_token |
| 103 | $this->token = $this->getToken(); |
| 104 | |
| 105 | if ($this->checkLogin(false) === true) { |
| 106 | return true; |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | return false; |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * check if we are logged in |
| 115 | * |
| 116 | * @param boolean $exception |
| 117 | * @return boolean |
| 118 | */ |
| 119 | public function checkLogin ($exception = true) { |
| 120 | // check if challenge or session is empty |
| 121 | if (empty($this->challenge) || empty($this->cookie)) { |
| 122 | if ($exception === true) { |
| 123 | throw new RouterException('you musst be logged in to use this method'); |
| 124 | } |
| 125 | |
| 126 | return false; |
| 127 | } |
| 128 | |
| 129 | $path = 'data/SecureStatus.json'; |
| 130 | $fields = array(); |
| 131 | $data = $this->sentRequest($path, $fields, true); |
| 132 | $data = $this->getValues($data['body']); |
| 133 | |
| 134 | if ($data['loginstate'] != 1) { |
| 135 | if ($exception === true) { |
| 136 | throw new RouterException('you musst be logged in to use this method'); |
| 137 | } |
| 138 | |
| 139 | return false; |
| 140 | } |
| 141 | |
| 142 | return true; |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * logout |
| 147 | * |
| 148 | * @return boolean |
| 149 | */ |
| 150 | public function logout () { |
| 151 | $this->checkLogin(); |
| 152 | |
| 153 | $path = 'data/Login.json'; |
| 154 | $fields = array('csrf_token' => $this->token, 'logout' => 'byby'); |
| 155 | $data = $this->sentRequest($path, $fields, true); |
| 156 | $data = $this->getValues($data['body']); |
| 157 | if ((isset($data['status']) && $data['status'] == 'ok') && $this->checkLogin(false) === false) { |
| 158 | // reset challenge and session |
| 159 | $this->challenge = ''; |
| 160 | $this->cookie = ''; |
| 161 | $this->token = ''; |
| 162 | $this->derivedk = ''; |
| 163 | |
| 164 | return true; |
| 165 | } |
| 166 | |
| 167 | return false; |
| 168 | } |
| 169 | |
| 170 | /** |
| 171 | * reboot the router |
| 172 | * |
| 173 | * @return boolean |
| 174 | */ |
| 175 | public function reboot () { |
| 176 | $this->checkLogin(); |
| 177 | |
| 178 | $path = 'data/Reboot.json'; |
| 179 | $fields = array('csrf_token' => $this->token, 'reboot_device' => 'true'); |
| 180 | $data = $this->sentEncryptedRequest($path, $fields, true); |
| 181 | $data = $this->getValues($data['body']); |
| 182 | |
| 183 | if ($data['status'] == 'ok') { |
| 184 | // reset challenge and session |
| 185 | $this->challenge = ''; |
| 186 | $this->cookie = ''; |
| 187 | $this->token = ''; |
| 188 | $this->derivedk = ''; |
| 189 | |
| 190 | // throw an exception because router is unavailable for other tasks |
| 191 | // like $this->logout() or $this->checkLogin |
| 192 | throw new RebootException('Router Reboot'); |
| 193 | } |
| 194 | |
| 195 | return false; |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * decrypt data from router |
| 200 | * |
| 201 | * @param string $data |
| 202 | * @return array |
| 203 | */ |
| 204 | private function decrypt ($data) { |
| 205 | $iv = hex2bin(substr($this->challenge, 16, 16)); |
| 206 | $adata = hex2bin(substr($this->challenge, 32, 16)); |
| 207 | $key = hex2bin($this->derivedk); |
| 208 | $enc = hex2bin($data); |
| 209 | |
| 210 | $factory = new CryptLib\Cipher\Factory(); |
| 211 | $aes = $factory->getBlockCipher('rijndael-128'); |
| 212 | $aes->setKey($key); |
| 213 | $mode = $factory->getMode('ccm', $aes, $iv, [ 'adata' => $adata, 'lSize' => 7]); |
| 214 | |
| 215 | $mode->decrypt($enc); |
| 216 | |
| 217 | return $mode->finish(); |
| 218 | } |
| 219 | |
| 220 | /** |
| 221 | * decrypt data for the router |
| 222 | * |
| 223 | * @param string $data |
| 224 | * @return string |
| 225 | */ |
| 226 | private function encrypt ($data) { |
| 227 | $iv = hex2bin(substr($this->challenge, 16, 16)); |
| 228 | $adata = hex2bin(substr($this->challenge, 32, 16)); |
| 229 | $key = hex2bin($this->derivedk); |
| 230 | |
| 231 | $factory = new CryptLib\Cipher\Factory(); |
| 232 | $aes = $factory->getBlockCipher('rijndael-128'); |
| 233 | $aes->setKey($key); |
| 234 | $mode = $factory->getMode('ccm', $aes, $iv, [ 'adata' => $adata, 'lSize' => 7]); |
| 235 | $mode->encrypt($data); |
| 236 | |
| 237 | return bin2hex($mode->finish()); |
| 238 | } |
| 239 | |
| 240 | /** |
| 241 | * get the values from array |
| 242 | * |
| 243 | * @param array $array |
| 244 | * @return array |
| 245 | */ |
| 246 | private function getValues($array) { |
| 247 | $data = array(); |
| 248 | foreach ($array as $item) { |
| 249 | // thank you telekom for this piece of shit |
| 250 | if ($item['vartype'] == 'template') { |
| 251 | if (is_array($item['varvalue'])) { |
| 252 | $data[$item['varid']][] = $this->getValues($item['varvalue']); |
| 253 | } |
| 254 | else { |
| 255 | // i dont know if we need this |
| 256 | $data[$item['varid']] = $item['varvalue']; |
| 257 | } |
| 258 | } |
| 259 | else { |
| 260 | if (is_array($item['varvalue'])) { |
| 261 | $data[$item['varid']] = $this->getValues($item['varvalue']); |
| 262 | } |
| 263 | else { |
| 264 | $data[$item['varid']] = $item['varvalue']; |
| 265 | } |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | return $data; |
| 270 | } |
| 271 | |
| 272 | /** |
| 273 | * sends the encrypted request to router |
| 274 | * |
| 275 | * @param string $path |
| 276 | * @param mixed $fields |
| 277 | * @param string $cookie |
| 278 | * @return array |
| 279 | */ |
| 280 | private function sentEncryptedRequest ($path, $fields, $cookie = false) { |
| 281 | $count = count($fields); |
| 282 | $fields = $this->encrypt(http_build_query($fields)); |
| 283 | return $this->sentRequest($path, $fields, $cookie, $count); |
| 284 | } |
| 285 | |
| 286 | /** |
| 287 | * sends the request to router |
| 288 | * |
| 289 | * @param string $path |
| 290 | * @param mixed $fields |
| 291 | * @param string $cookie |
| 292 | * @param integer $count |
| 293 | * @return array |
| 294 | */ |
| 295 | private function sentRequest ($path, $fields, $cookie = false, $count = 0) { |
| 296 | $url = $this->url.$path.'?lang=en'; |
| 297 | $ch = curl_init(); |
| 298 | curl_setopt($ch, CURLOPT_URL, $url); |
| 299 | |
| 300 | if (!empty($fields)) { |
| 301 | if (is_array($fields)) { |
| 302 | curl_setopt($ch, CURLOPT_POST, count($fields)); |
| 303 | curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($fields)); |
| 304 | } |
| 305 | else { |
| 306 | curl_setopt($ch, CURLOPT_POST, $count); |
| 307 | curl_setopt($ch, CURLOPT_POSTFIELDS, $fields); |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | if ($cookie === true) { |
| 312 | curl_setopt($ch, CURLOPT_COOKIE, 'challengev='.$this->challenge.'; '.$this->cookie); |
| 313 | } |
| 314 | |
| 315 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
| 316 | curl_setopt($ch, CURLOPT_HEADER, true); |
| 317 | |
| 318 | $result = curl_exec($ch); |
| 319 | |
| 320 | $header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE); |
| 321 | $header = substr($result, 0, $header_size); |
| 322 | $body = substr($result, $header_size); |
| 323 | curl_close($ch); |
| 324 | |
| 325 | // check if response is empty |
| 326 | if (empty($body)) { |
| 327 | throw new RouterException('empty response'); |
| 328 | } |
| 329 | |
| 330 | // check if body is encrypted (hex instead of json) |
| 331 | if (ctype_xdigit($body)) { |
| 332 | $body = $this->decrypt($body); |
| 333 | } |
| 334 | |
| 335 | // fix invalid json |
| 336 | $body = preg_replace("/(\r\n)|(\r)/", "\n", $body); |
| 337 | $body = preg_replace('/\'/i', '"', $body); |
| 338 | $body = preg_replace("/\[\s+\]/i", '[ {} ]', $body); |
| 339 | $body = preg_replace("/},\s+]/", "}\n]", $body); |
| 340 | |
| 341 | // decode json |
| 342 | if (strpos($url, '.json') !== false) { |
| 343 | $body = json_decode($body, true); |
| 344 | } |
| 345 | |
| 346 | return array('header' => $this->parse_headers($header), 'body' => $body); |
| 347 | } |
| 348 | |
| 349 | /** |
| 350 | * get the csrf_token |
| 351 | * |
| 352 | * @return string |
| 353 | */ |
| 354 | private function getToken () { |
| 355 | $this->checkLogin(); |
| 356 | |
| 357 | $path = 'html/content/overview/index.html'; |
| 358 | $fields = array(); |
| 359 | $data = $this->sentRequest($path, $fields, true); |
| 360 | |
| 361 | $a = explode('csrf_token = "', $data['body']); |
| 362 | $a = explode('";', $a[1]); |
| 363 | |
| 364 | if (isset($a[0]) && !empty($a[0])) { |
| 365 | return $a[0]; |
| 366 | } |
| 367 | else { |
| 368 | throw new RouterException('unable to get csrf_token'); |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | /** |
| 373 | * calculate the derivedk |
| 374 | * |
| 375 | * @param string $password |
| 376 | * @return string |
| 377 | */ |
| 378 | private function getDerviedk ($password) { |
| 379 | $derivedk = ''; |
| 380 | |
| 381 | // calculate derivedk |
| 382 | if (!function_exists('hash_pbkdf2')) { |
| 383 | $pbkdf2 = new CryptLib\Key\Derivation\PBKDF\PBKDF2(array('hash' => 'sha1')); |
| 384 | $derivedk = bin2hex($pbkdf2->derive(hash('sha256', $password), substr($this->challenge, 0, 16), 1000, 32)); |
| 385 | $derivedk = substr($derivedk, 0, 32); |
| 386 | } |
| 387 | else { |
| 388 | $derivedk = hash_pbkdf2('sha1', hash('sha256', $password), substr($this->challenge, 0, 16), 1000, 32); |
| 389 | } |
| 390 | |
| 391 | if (empty($derivedk)) { |
| 392 | throw new RouterException('unable to calculate derivedk'); |
| 393 | } |
| 394 | |
| 395 | return $derivedk; |
| 396 | } |
| 397 | |
| 398 | /** |
| 399 | * get cookie from header data |
| 400 | * |
| 401 | * @param array $data |
| 402 | * @return string |
| 403 | */ |
| 404 | private function getCookie ($data) { |
| 405 | $cookie = ''; |
| 406 | if (isset($data['header']['Set-Cookie']) && !empty($data['header']['Set-Cookie'])) { |
| 407 | preg_match('/^.*(SessionID_R3=[a-z0-9]*).*/i', $data['header']['Set-Cookie'], $match); |
| 408 | if (isset($match[1]) && !empty($match[1])) { |
| 409 | $cookie = $match[1]; |
| 410 | } |
| 411 | } |
| 412 | |
| 413 | if (empty($cookie)) { |
| 414 | throw new RouterException('unable to get the session cookie from the router'); |
| 415 | } |
| 416 | |
| 417 | return $cookie; |
| 418 | } |
| 419 | |
| 420 | /** |
| 421 | * parse the curl return header into an array |
| 422 | * |
| 423 | * @param string $response |
| 424 | * @return array |
| 425 | */ |
| 426 | private function parse_headers($response) { |
| 427 | $headers = array(); |
| 428 | $header_text = substr($response, 0, strpos($response, "\r\n\r\n")); |
| 429 | |
| 430 | $header_text = explode("\r\n", $header_text); |
| 431 | foreach ($header_text as $i => $line) { |
| 432 | if ($i === 0) { |
| 433 | $headers['http_code'] = $line; |
| 434 | } |
| 435 | else { |
| 436 | list ($key, $value) = explode(': ', $line); |
| 437 | $headers[$key] = $value; |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | return $headers; |
| 442 | } |
| 443 | } |