/**
* Send the header
* @param string Header. Example: 'Location: http://php.net/'
* @param boolean Optional. Replace?
* @param int Optional. HTTP response code.
* @return void
* @throws RequestHeadersAlreadySent
*/
public function header($s, $replace = true, $code = false)
{
if ($code !== null) {
$this->status($code);
}
if ($this->headers_sent) {
throw new RequestHeadersAlreadySent();
return false;
}
$e = explode(':', $s, 2);
if (!isset($e[1])) {
$e[0] = 'STATUS';
if (strncmp($s, 'HTTP/', 5) === 0) {
$s = substr($s, 9);
}
}
$k = strtr(strtoupper($e[0]), HTTPRequest::$htr);
if ($k === 'CONTENT_TYPE') {
HTTPRequest::parse_str(strtr(strtolower($e[1]), HTTPRequest::$hvaltr), $ctype);
if (!isset($ctype['charset'])) {
$ctype['charset'] = $this->upstream->config->defaultcharset->value;
$s = $e[0] . ': ';
$i = 0;
foreach ($ctype as $k => $v) {
$s .= ($i > 0 ? '; ' : '') . $k . ($v !== '' ? '=' . $v : '');
++$i;
}
}
}
if ($k === 'SET_COOKIE') {
$k .= '_' . ++$this->cookieNum;
} elseif (!$replace && isset($this->headers[$k])) {
return false;
}
$this->headers[$k] = $s;
if ($k === 'CONTENT_LENGTH') {
$this->contentLength = (int) $e[1];
} elseif ($k === 'LOCATION') {
$this->status(301);
}
if (Daemon::$compatMode) {
is_callable('header_native') ? header_native($s) : header($s);
}
return true;
}
/**
* Called when new data received.
* @param string New received data.
* @return void
*/
public function stdin($buf)
{
$this->buf .= $buf;
if ($this->state === self::STATE_ROOT) {
if (strpos($this->buf, "<policy-file-request/>") !== FALSE) {
$FP = FlashPolicyServer::getInstance();
if ($FP && $FP->policyData) {
$this->write($FP->policyData . "");
}
$this->finish();
return;
}
$i = 0;
while (($l = $this->gets()) !== FALSE) {
if ($i++ > 100) {
break;
}
if ($l === "\r\n") {
$this->state = self::STATE_HANDSHAKING;
if (isset($this->server['HTTP_SEC_WEBSOCKET_EXTENSIONS'])) {
$str = strtolower($this->server['HTTP_SEC_WEBSOCKET_EXTENSIONS']);
$str = preg_replace($this->extensionsCleanRegex, '', $str);
$this->extensions = explode(', ', $str);
}
if (!isset($this->server['HTTP_CONNECTION']) || !preg_match('~(?:^|\\W)Upgrade(?:\\W|$)~i', $this->server['HTTP_CONNECTION']) || !isset($this->server['HTTP_UPGRADE']) || strtolower($this->server['HTTP_UPGRADE']) !== 'websocket') {
$this->finish();
return;
}
if (isset($this->server['HTTP_COOKIE'])) {
HTTPRequest::parse_str(strtr($this->server['HTTP_COOKIE'], HTTPRequest::$hvaltr), $this->cookie);
}
// ----------------------------------------------------------
// Protocol discovery, based on HTTP headers...
// ----------------------------------------------------------
if (isset($this->server['HTTP_SEC_WEBSOCKET_VERSION'])) {
// HYBI
if ($this->server['HTTP_SEC_WEBSOCKET_VERSION'] == '8') {
// Version 8 (FF7, Chrome14)
$this->protocol = new WebSocketProtocolV13($this);
} elseif ($this->server['HTTP_SEC_WEBSOCKET_VERSION'] == '13') {
// newest protocol
$this->protocol = new WebSocketProtocolV13($this);
} else {
Daemon::$process->log(get_class($this) . '::' . __METHOD__ . " : Websocket protocol version " . $this->server['HTTP_SEC_WEBSOCKET_VERSION'] . ' is not yet supported for client "' . $this->addr . '"');
$this->finish();
return;
}
} elseif (!isset($this->server['HTTP_SEC_WEBSOCKET_KEY1']) || !isset($this->server['HTTP_SEC_WEBSOCKET_KEY2'])) {
$this->protocol = new WebSocketProtocolVE($this);
} else {
// Defaulting to HIXIE (Safari5 and many non-browser clients...)
$this->protocol = new WebSocketProtocolV0($this);
}
// ----------------------------------------------------------
// End of protocol discovery
// ----------------------------------------------------------
} elseif (!$this->firstline) {
$this->firstline = true;
$e = explode(' ', $l);
$u = parse_url(isset($e[1]) ? $e[1] : '');
$this->server['REQUEST_METHOD'] = $e[0];
$this->server['REQUEST_URI'] = $u['path'] . (isset($u['query']) ? '?' . $u['query'] : '');
$this->server['DOCUMENT_URI'] = $u['path'];
$this->server['PHP_SELF'] = $u['path'];
$this->server['QUERY_STRING'] = isset($u['query']) ? $u['query'] : NULL;
$this->server['SCRIPT_NAME'] = $this->server['DOCUMENT_URI'] = isset($u['path']) ? $u['path'] : '/';
$this->server['SERVER_PROTOCOL'] = isset($e[2]) ? trim($e[2]) : '';
list($this->server['REMOTE_ADDR'], $this->server['REMOTE_PORT']) = explode(':', $this->addr);
} else {
$e = explode(': ', $l);
if (isset($e[1])) {
$this->server['HTTP_' . strtoupper(strtr($e[0], HTTPRequest::$htr))] = rtrim($e[1], "\r\n");
}
}
}
}
if ($this->state === self::STATE_HANDSHAKING) {
if (!$this->handshake($this->buf)) {
return;
}
$this->buf = '';
$this->state = self::STATE_HANDSHAKED;
}
if ($this->state === self::STATE_HANDSHAKED) {
if (!isset($this->protocol)) {
Daemon::$process->log(get_class($this) . '::' . __METHOD__ . ' : Cannot find session-related websocket protocol for client "' . $this->addr . '"');
$this->finish();
return;
}
$this->protocol->onRead();
}
}
/**
* Event of SocketSession (AsyncServer). Called when new data received.
* @param string New received data.
* @return void
*/
public function stdin($buf)
{
$this->buf .= $buf;
if (!$this->handshaked) {
if (Daemon::$appResolver->checkAppEnabled('FlashPolicy')) {
if (strpos($this->buf, '<policy-file-request/>') !== FALSE) {
if (($FP = Daemon::$appResolver->getInstanceByAppName('FlashPolicy')) && $FP->policyData) {
$this->write($FP->policyData . "");
}
$this->finish();
return;
}
}
$i = 0;
while (($l = $this->gets()) !== FALSE) {
if ($i++ > 100) {
break;
}
if ($l === "\r\n") {
if (!isset($this->server['HTTP_CONNECTION']) || $this->server['HTTP_CONNECTION'] !== 'Upgrade' || !isset($this->server['HTTP_UPGRADE']) || $this->server['HTTP_UPGRADE'] !== 'WebSocket') {
$this->finish();
return;
}
if (isset($this->server['HTTP_COOKIE'])) {
HTTPRequest::parse_str(strtr($this->server['HTTP_COOKIE'], HTTPRequest::$hvaltr), $this->cookie);
}
if (!($this->secprotocol = isset($this->server['HTTP_SEC_WEBSOCKET_KEY1']) && isset($this->server['HTTP_SEC_WEBSOCKET_KEY2']))) {
$this->handshake();
}
break;
}
if (!$this->firstline) {
$this->firstline = TRUE;
$e = explode(' ', $l);
$u = parse_url(isset($e[1]) ? $e[1] : '');
$this->server['REQUEST_METHOD'] = $e[0];
$this->server['REQUEST_URI'] = $u['path'] . (isset($u['query']) ? '?' . $u['query'] : '');
$this->server['DOCUMENT_URI'] = $u['path'];
$this->server['PHP_SELF'] = $u['path'];
$this->server['QUERY_STRING'] = isset($u['query']) ? $u['query'] : NULL;
$this->server['SCRIPT_NAME'] = $this->server['DOCUMENT_URI'] = isset($u['path']) ? $u['path'] : '/';
$this->server['SERVER_PROTOCOL'] = isset($e[2]) ? $e[2] : '';
list($this->server['REMOTE_ADDR'], $this->server['REMOTE_PORT']) = explode(':', $this->clientAddr);
} else {
$e = explode(': ', $l);
if (isset($e[1])) {
$this->server['HTTP_' . strtoupper(strtr($e[0], HTTPRequest::$htr))] = rtrim($e[1], "\r\n");
}
}
}
}
if ($this->handshaked) {
while (($buflen = strlen($this->buf)) >= 2) {
$frametype = ord(binarySubstr($this->buf, 0, 1));
if (($frametype & 0x80) === 0x80) {
$len = 0;
$i = 0;
do {
$b = ord(binarySubstr($this->buf, ++$i, 1));
$n = $b & 0x7f;
$len *= 0x80;
$len += $n;
} while ($b > 0x80);
if ($this->appInstance->config->maxallowedpacket->value <= $len) {
// Too big packet
$this->finish();
return;
}
if ($buflen < $len + 2) {
// not enough data yet
return;
}
$data = binarySubstr($this->buf, 2, $len);
$this->buf = binarySubstr($this->buf, 2 + $len);
$this->onFrame($data, $frametype);
} else {
if (($p = strpos($this->buf, "ÿ")) !== FALSE) {
if ($this->appInstance->config->maxallowedpacket->value <= $p - 1) {
// Too big packet
$this->finish();
return;
}
$data = binarySubstr($this->buf, 1, $p - 1);
$this->buf = binarySubstr($this->buf, $p + 1);
$this->onFrame($data, $frametype);
} else {
// not enough data yet
if ($this->appInstance->config->maxallowedpacket->value <= strlen($this->buf)) {
// Too big packet
$this->finish();
}
return;
}
}
}
} elseif ($this->secprotocol) {
if (strlen($this->buf) >= 8) {
$bodyData = binarySubstr($this->buf, 0, 8);
$this->resultKey = md5($this->computeKey($this->server['HTTP_SEC_WEBSOCKET_KEY1']) . $this->computeKey($this->server['HTTP_SEC_WEBSOCKET_KEY2']) . $bodyData, TRUE);
$this->buf = binarySubstr($this->buf, 8);
$this->handshake();
}
}
}
