function keyExchange()
{
require_once '../../ThirdParty/ThinkPHP/Extend/Vendor/phpRPC/bigint.php';
$this->initKeylen();
if (isset($_SESSION[$this->cid])) {
$session = unserialize(base64_decode($_SESSION[$this->cid]));
} else {
$session = array();
}
if ($this->encrypt === true) {
require_once '../../ThirdParty/ThinkPHP/Extend/Vendor/phpRPC/dhparams.php';
$DHParams = new DHParams($this->keylen);
$this->keylen = $DHParams->getL();
$encrypt = $DHParams->getDHParams();
$x = bigint_random($this->keylen - 1, true);
$session['x'] = bigint_num2dec($x);
$session['p'] = $encrypt['p'];
$session['keylen'] = $this->keylen;
$encrypt['y'] = bigint_num2dec(bigint_powmod(bigint_dec2num($encrypt['g']), $x, bigint_dec2num($encrypt['p'])));
$this->buffer .= "phprpc_encrypt=\"" . $this->encodeString(serialize_fix($encrypt)) . "\";\r\n";
if ($this->keylen != 128) {
$this->buffer .= "phprpc_keylen=\"{$this->keylen}\";\r\n";
}
$this->sendURL();
} else {
$y = bigint_dec2num($this->encrypt);
$x = bigint_dec2num($session['x']);
$p = bigint_dec2num($session['p']);
$key = bigint_powmod($y, $x, $p);
if ($this->keylen == 128) {
$key = bigint_num2str($key);
} else {
$key = pack('H*', md5(bigint_num2dec($key)));
}
$session['key'] = str_pad($key, 16, "", STR_PAD_LEFT);
}
$_SESSION[$this->cid] = base64_encode(serialize($session));
$this->sendCallback();
}
function invoke($funcname, &$args, $byRef = false)
{
$result = $this->_key_exchange();
if (is_a($result, 'PHPRPC_Error')) {
return $result;
}
$request = "phprpc_func={$funcname}";
if (count($args) > 0) {
$request .= "&phprpc_args=" . base64_encode($this->_encrypt(serialize_fix($args), 1));
}
$request .= "&phprpc_encrypt={$this->_encryptMode}";
if (!$byRef) {
$request .= "&phprpc_ref=false";
}
$request = str_replace('+', '%2B', $request);
$result = $this->_post($request);
if (is_a($result, 'PHPRPC_Error')) {
return $result;
}
$phprpc_errno = 0;
$phprpc_errstr = NULL;
if (isset($result['phprpc_errno'])) {
$phprpc_errno = intval($result['phprpc_errno']);
}
if (isset($result['phprpc_errstr'])) {
$phprpc_errstr = base64_decode($result['phprpc_errstr']);
}
$this->_warning = new PHPRPC_Error($phprpc_errno, $phprpc_errstr);
if (array_key_exists('phprpc_output', $result)) {
$this->_output = base64_decode($result['phprpc_output']);
if ($this->_server['version'] >= 3) {
$this->_output = $this->_decrypt($this->_output, 3);
}
} else {
$this->_output = '';
}
if (array_key_exists('phprpc_result', $result)) {
if (array_key_exists('phprpc_args', $result)) {
$arguments = unserialize($this->_decrypt(base64_decode($result['phprpc_args']), 1));
for ($i = 0; $i < count($arguments); $i++) {
$args[$i] = $arguments[$i];
}
}
$result = unserialize($this->_decrypt(base64_decode($result['phprpc_result']), 2));
} else {
$result = $this->_warning;
}
return $result;
}
function sendFunctions()
{
$this->buffer .= "phprpc_functions=\"" . $this->encodeString(serialize_fix(array_keys($this->functions))) . "\";\r\n";
$this->sendCallback();
}
