/**
* Check the integrity of the package.
*
* @param string $buffer
* @param TcpConnection $connection
* @return int
*/
public static function input($buffer, TcpConnection $connection)
{
// Judge whether the package length exceeds the limit.
if (strlen($buffer) >= TcpConnection::$maxPackageSize) {
$connection->close();
return 0;
}
// Find the position of "\n".
$pos = strpos($buffer, "\n");
// No "\n", packet length is unknown, continue to wait for the data so return 0.
if ($pos === false) {
return 0;
}
// Return the current package length.
return $pos + 1;
}
/**
* Parse $_POST、$_GET、$_COOKIE.
*
* @param string $recv_buffer
* @param TcpConnection $connection
* @return array
*/
public static function decode($recv_buffer, TcpConnection $connection)
{
// Init.
$_POST = $_GET = $_COOKIE = $_REQUEST = $_SESSION = $_FILES = array();
$GLOBALS['HTTP_RAW_POST_DATA'] = '';
// Clear cache.
HttpCache::$header = array('Connection' => 'Connection: keep-alive');
HttpCache::$instance = new HttpCache();
// $_SERVER
$_SERVER = array('QUERY_STRING' => '', 'REQUEST_METHOD' => '', 'REQUEST_URI' => '', 'SERVER_PROTOCOL' => '', 'SERVER_SOFTWARE' => 'workerman/3.0', 'SERVER_NAME' => '', 'HTTP_HOST' => '', 'HTTP_USER_AGENT' => '', 'HTTP_ACCEPT' => '', 'HTTP_ACCEPT_LANGUAGE' => '', 'HTTP_ACCEPT_ENCODING' => '', 'HTTP_COOKIE' => '', 'HTTP_CONNECTION' => '', 'REMOTE_ADDR' => '', 'REMOTE_PORT' => '0');
// Parse headers.
list($http_header, $http_body) = explode("\r\n\r\n", $recv_buffer, 2);
$header_data = explode("\r\n", $http_header);
list($_SERVER['REQUEST_METHOD'], $_SERVER['REQUEST_URI'], $_SERVER['SERVER_PROTOCOL']) = explode(' ', $header_data[0]);
$http_post_boundary = '';
unset($header_data[0]);
foreach ($header_data as $content) {
// \r\n\r\n
if (empty($content)) {
continue;
}
list($key, $value) = explode(':', $content, 2);
$key = strtolower($key);
$value = trim($value);
switch ($key) {
// HTTP_HOST
case 'host':
$_SERVER['HTTP_HOST'] = $value;
$tmp = explode(':', $value);
$_SERVER['SERVER_NAME'] = $tmp[0];
if (isset($tmp[1])) {
$_SERVER['SERVER_PORT'] = $tmp[1];
}
break;
// cookie
// cookie
case 'cookie':
$_SERVER['HTTP_COOKIE'] = $value;
parse_str(str_replace('; ', '&', $_SERVER['HTTP_COOKIE']), $_COOKIE);
break;
// user-agent
// user-agent
case 'user-agent':
$_SERVER['HTTP_USER_AGENT'] = $value;
break;
// accept
// accept
case 'accept':
$_SERVER['HTTP_ACCEPT'] = $value;
break;
// accept-language
// accept-language
case 'accept-language':
$_SERVER['HTTP_ACCEPT_LANGUAGE'] = $value;
break;
// accept-encoding
// accept-encoding
case 'accept-encoding':
$_SERVER['HTTP_ACCEPT_ENCODING'] = $value;
break;
// connection
// connection
case 'connection':
$_SERVER['HTTP_CONNECTION'] = $value;
break;
case 'referer':
$_SERVER['HTTP_REFERER'] = $value;
break;
case 'if-modified-since':
$_SERVER['HTTP_IF_MODIFIED_SINCE'] = $value;
break;
case 'if-none-match':
$_SERVER['HTTP_IF_NONE_MATCH'] = $value;
break;
case 'content-type':
if (!preg_match('/boundary="?(\\S+)"?/', $value, $match)) {
$_SERVER['CONTENT_TYPE'] = $value;
} else {
$_SERVER['CONTENT_TYPE'] = 'multipart/form-data';
$http_post_boundary = '--' . $match[1];
}
break;
}
}
// Parse $_POST.
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
if (isset($_SERVER['CONTENT_TYPE']) && $_SERVER['CONTENT_TYPE'] === 'multipart/form-data') {
self::parseUploadFiles($http_body, $http_post_boundary);
} else {
parse_str($http_body, $_POST);
// $GLOBALS['HTTP_RAW_POST_DATA']
$GLOBALS['HTTP_RAW_POST_DATA'] = $http_body;
}
}
// QUERY_STRING
$_SERVER['QUERY_STRING'] = parse_url($_SERVER['REQUEST_URI'], PHP_URL_QUERY);
if ($_SERVER['QUERY_STRING']) {
// $GET
parse_str($_SERVER['QUERY_STRING'], $_GET);
} else {
$_SERVER['QUERY_STRING'] = '';
}
// REQUEST
$_REQUEST = array_merge($_GET, $_POST);
// REMOTE_ADDR REMOTE_PORT
$_SERVER['REMOTE_ADDR'] = $connection->getRemoteIp();
$_SERVER['REMOTE_PORT'] = $connection->getRemotePort();
return array('get' => $_GET, 'post' => $_POST, 'cookie' => $_COOKIE, 'server' => $_SERVER, 'files' => $_FILES);
}
/**
* This method pulls all the data out of a readable stream, and writes it to the supplied destination.
*
* @param TcpConnection $dest
* @return void
*/
public function pipe($dest)
{
$source = $this;
$this->onMessage = function ($source, $data) use($dest) {
$dest->send($data);
};
$this->onClose = function ($source) use($dest) {
$dest->destroy();
};
$dest->onBufferFull = function ($dest) use($source) {
$source->pauseRecv();
};
$dest->onBufferDrain = function ($dest) use($source) {
$source->resumeRecv();
};
}
