pion-net  4.0.9
net/services/CookieService.cpp
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 "CookieService.hpp"
00011 #include <pion/PionAlgorithms.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 // CookieService member functions
00022 
00024 void CookieService::operator()(HTTPRequestPtr& request, TCPConnectionPtr& tcp_conn)
00025 {
00026     static const std::string HEADER_HTML = "<html>\n<head>\n<title>Cookie Service</title>\n"
00027         "</head>\n<body>\n\n<h1>Cookie Service</h1>\n";
00028     static const std::string FOOTER_HTML = "\n</body>\n</html>\n";
00029 
00030     // Set Content-type for HTML and write the header
00031     HTTPResponseWriterPtr writer(HTTPResponseWriter::create(tcp_conn, *request,
00032                                                             boost::bind(&TCPConnection::finish, tcp_conn)));
00033     writer->getResponse().setContentType(HTTPTypes::CONTENT_TYPE_HTML);
00034     writer->writeNoCopy(HEADER_HTML);
00035 
00036     // Check if we have an action to perform
00037     if (request->hasQuery("action")) {
00038         if (algo::url_decode(request->getQuery("action")) == "Add Cookie") {
00039             // add a new cookie
00040             const std::string cookie_name(request->getQuery("cookie_name"));
00041             const std::string cookie_value(request->getQuery("cookie_value"));
00042             if (cookie_name.empty() || cookie_value.empty()) {
00043                 writer << "\n<p>[Error: You must specify a name and value to add a cookie]</p>\n\n";
00044             } else {
00045                 writer->getResponse().setCookie(cookie_name, cookie_value);
00046                 writer << "\n<p>[Added cookie "
00047                     << cookie_name << '=' << cookie_value << "]</p>\n\n";
00048             }
00049         } else if (request->getQuery("action") == "delete") {
00050             const std::string cookie_name(request->getQuery("cookie_name"));
00051             if (cookie_name.empty()) {
00052                 writer << "\n<p>[Error: You must specify a name to delete a cookie]</p>\n\n";
00053             } else {
00054                 writer->getResponse().deleteCookie(cookie_name);
00055                 writer << "\n<p>[Deleted cookie " << cookie_name << "]</p>\n\n";
00056             }
00057         } else {
00058             writer << "\n<p>[Error: Unrecognized action]</p>\n\n";
00059         }
00060     }
00061     
00062     // display cookie headers in request
00063     if (request->hasHeader(HTTPTypes::HEADER_COOKIE)) {
00064         writer << "\n<h2>Cookie Headers</h2>\n<ul>\n";
00065         std::pair<HTTPTypes::Headers::const_iterator, HTTPTypes::Headers::const_iterator>
00066             header_pair = request->getHeaders().equal_range(HTTPTypes::HEADER_COOKIE);
00067         for (HTTPTypes::Headers::const_iterator header_iterator = header_pair.first;
00068              header_iterator != request->getHeaders().end()
00069              && header_iterator != header_pair.second; ++header_iterator)
00070         {
00071             writer << "<li>Cookie: " << header_iterator->second << "\n";
00072         }
00073         writer << "</ul>\n\n";
00074     } else {
00075         writer << "\n<h2>No Cookie Headers</h2>\n\n";
00076     }
00077     
00078     // display existing cookies
00079     HTTPTypes::CookieParams& cookie_params = request->getCookieParams();
00080     if (! cookie_params.empty()) {
00081         writer << "\n<h2>Cookie Variables</h2>\n<ul>\n";
00082         for (HTTPTypes::CookieParams::const_iterator i = cookie_params.begin();
00083              i != cookie_params.end(); ++i)
00084         {
00085             writer << "<li>" << i->first << ": " << i->second
00086                 << " <a href=\"" << request->getResource()
00087                 << "?action=delete&cookie_name=" << i->first
00088                 << "\">[Delete]</a>\n";
00089         }
00090         writer << "</ul>\n\n";
00091     } else {
00092         writer << "\n<h2>No Cookie Variables</h2>\n\n";
00093     }
00094 
00095     // display form to add a cookie
00096     writer << "\n<h2>Add Cookie</h2>\n"
00097         "<p><form action=\"" << request->getResource() << "\" method=\"POST\">\n"
00098         "Name: <input type=\"text\" name=\"cookie_name\"><br />\n"
00099         "Value: <input type=\"text\" name=\"cookie_value\"><br />\n"
00100         "<input type=\"submit\" name=\"action\" value=\"Add Cookie\"></p>\n"
00101         "</form>\n\n";
00102     
00103     // write the footer
00104     writer->writeNoCopy(FOOTER_HTML);
00105     
00106     // send the writer
00107     writer->send();
00108 }
00109 
00110 
00111 }   // end namespace plugins
00112 }   // end namespace pion
00113 
00114 
00116 extern "C" PION_SERVICE_API pion::plugins::CookieService *pion_create_CookieService(void)
00117 {
00118     return new pion::plugins::CookieService();
00119 }
00120 
00122 extern "C" PION_SERVICE_API void pion_destroy_CookieService(pion::plugins::CookieService *service_ptr)
00123 {
00124     delete service_ptr;
00125 }