pion-net: net/services/AllowNothingService.cpp Source File

00001 // ------------------------------------------------------------------
00002 // pion-net: a C++ framework for building lightweight HTTP interfaces
00003 // ------------------------------------------------------------------
00004 // Copyright (C) 2007-2008 Atomic Labs, Inc.  (http://www.atomiclabs.com)
00005 //
00006 // Distributed under the Boost Software License, Version 1.0.
00007 // See http://www.boost.org/LICENSE_1_0.txt
00008 //
00009 
00010 #include "AllowNothingService.hpp"
00011 #include <pion/PionConfig.hpp>
00012 #include <pion/net/HTTPResponseWriter.hpp>
00013 
00014 using namespace pion;
00015 using namespace pion::net;
00016 
00017 namespace pion {        // begin namespace pion
00018 namespace plugins {     // begin namespace plugins
00019 
00020     
00021 void AllowNothingService::operator()(HTTPRequestPtr& request, TCPConnectionPtr& tcp_conn)
00022 {
00023     static const std::string DENY_HTML = "<html><body>No, you can't.</body></html>";
00024     HTTPResponseWriterPtr writer(HTTPResponseWriter::create(tcp_conn, *request,
00025                                                             boost::bind(&TCPConnection::finish, tcp_conn)));
00026     writer->getResponse().setStatusCode(HTTPTypes::RESPONSE_CODE_METHOD_NOT_ALLOWED);
00027     writer->getResponse().setStatusMessage(HTTPTypes::RESPONSE_MESSAGE_METHOD_NOT_ALLOWED);
00028 
00029     // This is a legitimate header, but it crashes when it's sent.
00030     //writer->getResponse().addHeader("Allow", "");
00031 
00032     // Use this line to demonstrate that it's the empty header value that's causing the problem.
00033     writer->getResponse().addHeader("Allow", "GET");
00034 
00035     writer->writeNoCopy(DENY_HTML);
00036     writer->writeNoCopy(HTTPTypes::STRING_CRLF);
00037     writer->writeNoCopy(HTTPTypes::STRING_CRLF);
00038     writer->send();
00039 }
00040 
00041     
00042 }   // end namespace plugins
00043 }   // end namespace pion
00044 
00045 
00047 extern "C" PION_SERVICE_API pion::plugins::AllowNothingService *pion_create_AllowNothingService(void)
00048 {
00049     return new pion::plugins::AllowNothingService();
00050 }
00051 
00053 extern "C" PION_SERVICE_API void pion_destroy_AllowNothingService(pion::plugins::AllowNothingService *service_ptr)
00054 {
00055     delete service_ptr;
00056 }