/**
* deserialize
*
* This method deserializes a request. It requires an SabreAMF_InputStream with valid AMF data. After
* deserialization the contents of the request can be found through the getBodies and getHeaders methods
*
* @param SabreAMF_InputStream $stream
* @return void
*/
public function deserialize(SabreAMF_InputStream $stream)
{
$this->headers = array();
$this->bodies = array();
$this->InputStream = $stream;
$stream->readByte();
$this->clientType = $stream->readByte();
$deserializer = new SabreAMF_AMF0_Deserializer($stream);
$totalHeaders = $stream->readInt();
for ($i = 0; $i < $totalHeaders; $i++) {
$header = array('name' => $deserializer->readString(), 'required' => $stream->readByte() == true);
$stream->readLong();
$header['data'] = $deserializer->readAMFData(null, true);
$this->headers[] = $header;
}
$totalBodies = $stream->readInt();
for ($i = 0; $i < $totalBodies; $i++) {
try {
$target = $deserializer->readString();
} catch (Exception $e) {
// Could not fetch next body.. this happens with some versions of AMFPHP where the body
// count isn't properly set. If this happens we simply stop decoding
break;
}
$body = array('target' => $target, 'response' => $deserializer->readString(), 'length' => $stream->readLong(), 'data' => $deserializer->readAMFData(null, true));
if (is_object($body['data']) && $body['data'] instanceof SabreAMF_AMF3_Wrapper) {
$body['data'] = $body['data']->getData();
$this->encoding = SabreAMF_Const::AMF3;
} else {
if (is_array($body['data']) && isset($body['data'][0]) && is_object($body['data'][0]) && $body['data'][0] instanceof SabreAMF_AMF3_Wrapper) {
$body['data'] = $body['data'][0]->getData();
$this->encoding = SabreAMF_Const::AMF3;
}
}
$this->bodies[] = $body;
}
}
/**
* @return array
*
* @throws PacketException
* @throws ClientKickedException
*/
protected function parsePacket()
{
$packets = array();
while (true) {
$headerBasic = ord($this->socket->read(1));
$channel = $headerBasic & 0x2f;
$headerType = $headerBasic & 0xc0;
$headerSize = 0;
switch ($headerType) {
case 0x0:
$headerSize = 12;
break;
case 0x40:
$headerSize = 8;
break;
case 0x80:
$headerSize = 4;
break;
case 0xc0:
$headerSize = 1;
break;
}
if (!isset($packets[$channel])) {
$packets[$channel] = array('data' => '');
}
$packet =& $packets[$channel];
// Parse the header
if ($headerSize > 1) {
$header = $this->socket->read($headerSize - 1);
if ($headerSize >= 8) {
$size = 0;
for ($i = 3; $i < 6; $i++) {
$size *= 256;
$size += ord(substr($header, $i, 1)) & 0xff;
}
$packet['size'] = $size;
$packet['type'] = ord($header[6]);
}
}
// Parse the content
for ($i = 0; $i < 128; $i++) {
if (!feof($this->socket->getSocket())) {
$packet['data'] .= $this->socket->read(1);
}
if (strlen($packet['data']) == $packet['size']) {
break;
}
}
if (!(strlen($packet['data']) == $packet['size'])) {
continue;
}
// Remove the read packet
unset($packets[$channel]);
$result = array();
$input = new \SabreAMF_InputStream($packet['data']);
switch ($packet['type']) {
case 0x14:
// decode connect
$decoder = new \SabreAMF_AMF0_Deserializer($input);
$result['result'] = $decoder->readAMFData();
$result['invokeId'] = $decoder->readAMFData();
$result['serviceCall'] = $decoder->readAMFData();
$result['data'] = $decoder->readAMFData();
try {
$input->readByte();
throw new PacketException('id not consume entire buffer');
} catch (\Exception $e) {
// good
}
break;
case 0x11:
if ($input->readByte() == 0x0) {
$packet['data'] = substr($packet['data'], 1);
$result['version'] = 0x0;
}
$decoder = new \SabreAMF_AMF0_Deserializer($input);
$result['result'] = $decoder->readAMFData();
$result['invokeId'] = $decoder->readAMFData();
$result['serviceCall'] = $decoder->readAMFData();
$result['data'] = $decoder->readAMFData();
try {
$input->readByte();
throw new PacketException('id not consume entire buffer');
} catch (\Exception $e) {
// good
}
break;
case 0x3:
// ack
// ack
case 0x6:
// bandwidth
continue 2;
default:
throw new PacketException('Unknown message type');
}
if (!isset($result['invokeId'])) {
// The client has been kicked, someone connect to the same account with another API instance or from the desktop launcher
if ('receive' == $result['result'] && 'com.riotgames.platform.messaging.ClientLoginKickNotification' == $result['data']->getData()->getAMFData()['body']->getAMFClassName()) {
throw new ClientKickedException('Someone is connected with the same account, only one instance can running. Restarting client...');
}
throw new PacketException("Error after decoding packet");
}
$invokeId = $result['invokeId'];
if ($invokeId == null || $invokeId == 0) {
throw new PacketException('Unknown invokeId: ' . $invokeId);
}
return $result;
}
}
private function readResponse()
{
$packets = array();
while (true) {
$headerBasic = ord($this->read(1));
$channel = $headerBasic & 0x2f;
$headerType = $headerBasic & 0xc0;
$headerSize = 0;
switch ($headerType) {
case 0x0:
$headerSize = 12;
break;
case 0x40:
$headerSize = 8;
break;
case 0x80:
$headerSize = 4;
break;
case 0xc0:
$headerSize = 1;
break;
}
if (!array_key_exists($channel, $packets)) {
$packets[$channel] = array('data' => '');
}
$packet =& $packets[$channel];
if ($headerSize > 1) {
$header = $this->read($headerSize - 1);
if ($headerSize >= 8) {
$size = 0;
for ($i = 3; $i < 6; $i++) {
$size *= 256;
$size += ord(substr($header, $i, 1)) & 0xff;
}
$packet['size'] = $size;
$packet['type'] = ord($header[6]);
}
}
for ($i = 0; $i < 128; $i++) {
if (!feof($this->socket)) {
$packet['data'] .= $this->read(1);
}
if (strlen($packet['data']) == $packet['size']) {
break;
}
}
$len = strlen($packet['data']);
if (!(strlen($packet['data']) == $packet['size'])) {
continue;
}
unset($packets[$channel]);
$result = null;
if ($packet['type'] == 0x3 || $packet['type'] == 0x6) {
continue;
} elseif ($packet['type'] == 0x11) {
$result = array();
$stream = new \SabreAMF_InputStream($packet['data']);
if ($stream->readByte() == 0x0) {
$result['version'] = 0x0;
$packet['data'] = substr($packet['data'], 1, strlen($packet['data']));
}
$deserializer = new \SabreAMF_AMF0_Deserializer($stream);
$result['result'] = $deserializer->readAMFData();
$result['invokeId'] = $deserializer->readAMFData();
$result['serviceCall'] = $deserializer->readAMFData();
$result['data'] = $deserializer->readAMFData();
} elseif ($packet['type'] == 0x14) {
$result = array();
$stream = new \SabreAMF_InputStream($packet['data']);
$deserializer = new \SabreAMF_AMF0_Deserializer($stream);
$result['result'] = $deserializer->readAMFData();
$result['invokeId'] = $deserializer->readAMFData();
$result['serviceCall'] = $deserializer->readAMFData();
$result['data'] = $deserializer->readAMFData();
} else {
//Unhandled Packet
}
if (!isset($result)) {
throw new \Exception("Error after decoding packet");
}
$id = $result['invokeId'];
if ($id == null || $id == 0) {
//CALLBACK
} elseif (false) {
//CALLBACK2
} else {
return $result;
}
}
}