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|
/*****************************************************************
|
| Platinum - Frame Server
|
| Copyright (c) 2004-2010, Plutinosoft, LLC.
| All rights reserved.
| http://www.plutinosoft.com
|
| This program is free software; you can redistribute it and/or
| modify it under the terms of the GNU General Public License
| as published by the Free Software Foundation; either version 2
| of the License, or (at your option) any later version.
|
| OEMs, ISVs, VARs and other distributors that combine and
| distribute commercially licensed software with Platinum software
| and do not wish to distribute the source code for the commercially
| licensed software under version 2, or (at your option) any later
| version, of the GNU General Public License (the "GPL") must enter
| into a commercial license agreement with Plutinosoft, LLC.
| licensing@plutinosoft.com
|
| This program is distributed in the hope that it will be useful,
| but WITHOUT ANY WARRANTY; without even the implied warranty of
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
| GNU General Public License for more details.
|
| You should have received a copy of the GNU General Public License
| along with this program; see the file LICENSE.txt. If not, write to
| the Free Software Foundation, Inc.,
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
| http://www.gnu.org/licenses/gpl-2.0.html
|
****************************************************************/
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "PltFrameStream.h"
#include "PltFrameServer.h"
#include "PltUtilities.h"
NPT_SET_LOCAL_LOGGER("platinum.media.server.frame")
/*----------------------------------------------------------------------
| constants
+---------------------------------------------------------------------*/
#define BOUNDARY "BOUNDARYGOAWAY"
/*----------------------------------------------------------------------
| PLT_SocketPolicyServer
+---------------------------------------------------------------------*/
class PLT_SocketPolicyServer : public NPT_Thread
{
public:
PLT_SocketPolicyServer(const char* policy,
NPT_IpPort port = 0,
const char* authorized_ports = "5900") :
m_Socket(NPT_SOCKET_FLAG_CANCELLABLE),
m_Policy(policy),
m_Port(port),
m_AuthorizedPorts(authorized_ports),
m_Aborted(false) {}
~PLT_SocketPolicyServer() {
Stop();
}
NPT_Result Start() {
NPT_Result result = NPT_FAILURE;
// bind
// randomly try a port for our http server
int retries = 100;
do {
int random = NPT_System::GetRandomInteger();
NPT_IpPort port = (unsigned short)(50000 + (random % 15000));
result = m_Socket.Bind(
NPT_SocketAddress(NPT_IpAddress::Any, m_Port?m_Port:port),
false);
if (NPT_SUCCEEDED(result) || m_Port)
break;
} while (--retries > 0);
if (NPT_FAILED(result) || retries == 0) return NPT_FAILURE;
// remember that we're bound
NPT_SocketInfo info;
m_Socket.GetInfo(info);
m_Port = info.local_address.GetPort();
return NPT_Thread::Start();
}
NPT_Result Stop() {
m_Aborted = true;
m_Socket.Cancel();
return Wait();
}
void Run() {
do {
// wait for a connection
NPT_Socket* client = NULL;
NPT_LOG_FINE_1("waiting for connection on port %d...", m_Port);
NPT_Result result = m_Socket.WaitForNewClient(client, NPT_TIMEOUT_INFINITE);
if (NPT_FAILED(result) || client == NULL) return;
NPT_SocketInfo client_info;
client->GetInfo(client_info);
NPT_LOG_FINE_2("client connected (%s -> %s)",
client_info.local_address.ToString().GetChars(),
client_info.remote_address.ToString().GetChars());
// get the output stream
NPT_OutputStreamReference output;
client->GetOutputStream(output);
// generate policy based on our current IP
NPT_String policy = "<cross-domain-policy>";
policy += "<allow-access-from domain=\""+client_info.local_address.GetIpAddress().ToString()+"\" to-ports=\""+m_AuthorizedPorts+"\"/>";
policy += "<allow-access-from domain=\""+client_info.remote_address.GetIpAddress().ToString()+"\" to-ports=\""+m_AuthorizedPorts+"\"/>";
policy += "</cross-domain-policy>";
NPT_MemoryStream* mem_input = new NPT_MemoryStream();
mem_input->Write(policy.GetChars(), policy.GetLength());
NPT_InputStreamReference input(mem_input);
NPT_StreamToStreamCopy(*input, *output);
delete client;
} while (!m_Aborted);
}
NPT_TcpServerSocket m_Socket;
NPT_String m_Policy;
NPT_IpPort m_Port;
NPT_String m_AuthorizedPorts;
bool m_Aborted;
};
/*----------------------------------------------------------------------
| PLT_HttpStreamRequestHandler::SetupResponse
+---------------------------------------------------------------------*/
NPT_Result
PLT_HttpStreamRequestHandler::SetupResponse(NPT_HttpRequest& request,
const NPT_HttpRequestContext& context,
NPT_HttpResponse& response)
{
PLT_LOG_HTTP_REQUEST(NPT_LOG_LEVEL_FINE, "PLT_HttpStreamRequestHandler::SetupResponse:", &request);
if (request.GetMethod().Compare("GET") &&
request.GetMethod().Compare("HEAD")) {
return NPT_FAILURE;
}
NPT_Reference<PLT_FrameBuffer> buffer;
if (!m_StreamValidator.OnNewRequestAccept(request, context, response, buffer)) {
return NPT_ERROR_NO_SUCH_ITEM;
}
response.SetProtocol(NPT_HTTP_PROTOCOL_1_0);
response.GetHeaders().SetHeader(NPT_HTTP_HEADER_CONNECTION, "close");
response.GetHeaders().SetHeader("Cache-Control", "no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0");
response.GetHeaders().SetHeader("Pragma", "no-cache");
response.GetHeaders().SetHeader("Expires", "Tue, 4 Jan 2000 02:43:05 GMT");
// HEAD request has no entity or if status code is not 2xx
if (!request.GetMethod().Compare("HEAD") || response.GetStatusCode()/100 != 2)
return NPT_SUCCESS;
NPT_HttpEntity* entity = response.GetEntity();
NPT_CHECK_POINTER_FATAL(entity);
entity->SetContentType("multipart/x-mixed-replace;boundary=" BOUNDARY);
NPT_InputStreamReference body(new PLT_InputFrameStream(buffer, BOUNDARY));
entity->SetInputStream(body, false);
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| PLT_FrameServer::PLT_FrameServer
+---------------------------------------------------------------------*/
PLT_FrameServer::PLT_FrameServer(const char* resource_name,
PLT_StreamValidator& stream_validator,
NPT_IpAddress address,
NPT_UInt16 port,
bool policy_server_enabled) :
PLT_HttpServer(address, port, false),
m_PolicyServer(NULL),
m_StreamValidator(stream_validator),
m_PolicyServerEnabled(policy_server_enabled)
{
NPT_String resource(resource_name);
resource.Trim("/\\");
AddRequestHandler(
new PLT_HttpStreamRequestHandler(stream_validator),
"/" + resource,
true,
true);
}
/*----------------------------------------------------------------------
| PLT_FrameServer::~PLT_FrameServer
+---------------------------------------------------------------------*/
PLT_FrameServer::~PLT_FrameServer()
{
delete m_PolicyServer;
}
/*----------------------------------------------------------------------
| PLT_FrameServer::Start
+---------------------------------------------------------------------*/
NPT_Result
PLT_FrameServer::Start()
{
// start main server so we can get the listening port
NPT_CHECK_SEVERE(PLT_HttpServer::Start());
// start the xml socket policy server for flash
if (m_PolicyServerEnabled) {
m_PolicyServer = new PLT_SocketPolicyServer(
"",
8989,
"5900,"+NPT_String::FromInteger(GetPort()));
NPT_CHECK_SEVERE(m_PolicyServer->Start());
}
return NPT_SUCCESS;
}
|
