danog/MadelineProto
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trying to fix seqno

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This commit is contained in:
danogentili 2016-08-18 20:54:29 +02:00
parent d96fab3c89
commit f8f24b9093
3 changed files with 27 additions and 18 deletions
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1
src/danog/MadelineProto/API.php
View File

@ -21,6 +21,7 @@ class API
set_error_handler(['\danog\MadelineProto\Exception', 'ExceptionErrorHandler']);
$this->session = new Session($params);
$future_salts = $this->get_future_salts(3);
$future_salts = $this->get_future_salts(3);
$this->session->log->log($future_salts);
}

42
src/danog/MadelineProto/Session.php
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@ -136,6 +136,18 @@ Slv8kg9qv1m6XHVQY3PnEw+QQtqSIXklHwIDAQAB
}
}
public function generate_seq_no($content_related = true) {
$in = $content_related ? 1 : 0;
$value = $this->seq_no;
$this->seq_no += $in;
var_dump(($value * 2) + $in);
return ($value * 2) + $in;
}
public function anknowledge($msg_id) {
return $this->method_call('msgs_ack', [$msg_id]);
}
/**
* Forming the message frame and sending message to server
* :param message: byte string to send.
@ -147,8 +159,7 @@ Slv8kg9qv1m6XHVQY3PnEw+QQtqSIXklHwIDAQAB
if (($this->settings['authorization']['temp_auth_key']['auth_key'] == null) || ($this->settings['authorization']['temp_auth_key']['server_salt'] == null)) {
$message = Tools::string2bin('\x00\x00\x00\x00\x00\x00\x00\x00').$message_id.$this->struct->pack('<I', strlen($message_data)).$message_data;
} else {
$this->seq_no++;
$encrypted_data = $this->settings['authorization']['temp_auth_key']['server_salt'].$this->settings['authorization']['session_id'].$message_id.$this->struct->pack('<II', $this->seq_no, strlen($message_data)).$message_data;
$encrypted_data = $this->settings['authorization']['temp_auth_key']['server_salt'].$this->settings['authorization']['session_id'].$message_id.$this->struct->pack('<II', $this->generate_seq_no(), strlen($message_data)).$message_data;
$message_key = substr(sha1($encrypted_data, true), -16);
$padding = \phpseclib\Crypt\Random::string(Tools::posmod(-strlen($encrypted_data), 16));
list($aes_key, $aes_iv) = $this->aes_calculate($message_key);
@ -175,34 +186,31 @@ Slv8kg9qv1m6XHVQY3PnEw+QQtqSIXklHwIDAQAB
$message_key = fread($payload, 16);
$encrypted_data = stream_get_contents($payload);
list($aes_key, $aes_iv) = $this->aes_calculate($message_key, 'from server');
$decrypted_data = Tools::fopen_and_write('php://memory', 'rw+b', Crypt::ige_decrypt($encrypted_data, $aes_key, $aes_iv));
$decrypted_data = Crypt::ige_decrypt($encrypted_data, $aes_key, $aes_iv);
$server_salt = fread($decrypted_data, 8);
$server_salt = substr($decrypted_data, 0, 8);
if ($server_salt != $this->settings['authorization']['temp_auth_key']['server_salt']) {
throw new Exception('Server salt mismatch.');
}
$session_id = fread($decrypted_data, 8);
$session_id = substr($decrypted_data, 8, 8);
if ($session_id != $this->settings['authorization']['session_id']) {
throw new Exception('Session id mismatch.');
}
$message_id = fread($decrypted_data, 8);
$message_id = substr($decrypted_data, 16, 8);
$this->check_message_id($message_id, false);
$seq_no = $this->struct->unpack('<I', fread($decrypted_data, 4)) [0];
var_dump($seq_no, $this->seq_no * 2);
if ($seq_no != $this->seq_no * 2) {
throw new Exception('Seq_no mismatch');
}
$seq_no = $this->struct->unpack('<I', substr($decrypted_data, 24, 4)) [0];
// Dunno how to handle any incorrect sequence numbers
$message_data_length = $this->struct->unpack('<I', fread($decrypted_data, 4)) [0];
$message_data_length = $this->struct->unpack('<I', substr($decrypted_data, 28, 4)) [0];
if ($message_data_length > fstat($decrypted_data)['size']) {
if ($message_data_length > strlen($decrypted_data)) {
throw new Exception('message_data_length is too big');
}
if ((fstat($decrypted_data)['size'] - 32) - $message_data_length > 15) {
if ((strlen($decrypted_data) - 32) - $message_data_length > 15) {
throw new Exception('difference between message_data_length and the length of the remaining decrypted buffer is too big');
}
@ -214,11 +222,11 @@ Slv8kg9qv1m6XHVQY3PnEw+QQtqSIXklHwIDAQAB
throw new Exception('message_data_length not divisible by 4');
}
$message_data = fread($decrypted_data, $message_data_length);
DebugTools::hex_dump(substr(sha1(stream_get_contents($decrypted_data, 32 + $message_data_length), true), -16), $message_key);
if ($message_key != sha1($message_data, true)) {
$message_data = substr($decrypted_data, 32, $message_data_length);
if ($message_key != substr(sha1(substr($decrypted_data, 0, 32 + $message_data_length), true), -16)) {
throw new Exception('msg_key mismatch');
}
var_dump($this->anknowledge($message_id));
} else {
throw new Exception('Got unknown auth_key id');
}

2
src/danog/MadelineProto/TL/TL.php
View File

@ -19,7 +19,7 @@ class TL
if (is_array($filename)) {
$TL_dict = [];
foreach ($filename as $file) {
$TL_dict = array_replace(json_decode(file_get_contents($file), true), $TL_dict);
$TL_dict = array_merge(json_decode(file_get_contents($file), true), $TL_dict);
}
} else {
$TL_dict = json_decode(file_get_contents($file), true);