313 lines
8.7 KiB
C++
313 lines
8.7 KiB
C++
/*
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open source routing machine
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Copyright (C) Dennis Luxen, 2010
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU AFFERO General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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or see http://www.gnu.org/licenses/agpl.txt.
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*/
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#ifndef HTTP_SERVER3_REPLY_HPP
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#define HTTP_SERVER3_REPLY_HPP
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#include <string>
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#include <vector>
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#include <boost/asio.hpp>
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#include <boost/lexical_cast.hpp>
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#include "header.h"
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namespace http {
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/// A reply to be sent to a client.
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struct reply
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{
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/// The status of the reply.
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enum status_type
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{
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ok = 200,
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created = 201,
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accepted = 202,
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no_content = 204,
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multiple_choices = 300,
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moved_permanently = 301,
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moved_temporarily = 302,
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not_modified = 304,
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bad_request = 400,
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unauthorized = 401,
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forbidden = 403,
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not_found = 404,
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internal_server_error = 500,
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not_implemented = 501,
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bad_gateway = 502,
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service_unavailable = 503
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} status;
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/// The headers to be included in the reply.
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std::vector<header> headers;
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/// The content to be sent in the reply.
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std::string content;
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/// Convert the reply into a vector of buffers. The buffers do not own the
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/// underlying memory blocks, therefore the reply object must remain valid and
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/// not be changed until the write operation has completed.
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std::vector<boost::asio::const_buffer> to_buffers();
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/// Get a stock reply.
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static reply stock_reply(status_type status);
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};
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namespace status_strings {
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const std::string ok =
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"HTTP/1.0 200 OK\r\n";
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const std::string created =
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"HTTP/1.0 201 Created\r\n";
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const std::string accepted =
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"HTTP/1.0 202 Accepted\r\n";
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const std::string no_content =
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"HTTP/1.0 204 No Content\r\n";
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const std::string multiple_choices =
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"HTTP/1.0 300 Multiple Choices\r\n";
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const std::string moved_permanently =
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"HTTP/1.0 301 Moved Permanently\r\n";
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const std::string moved_temporarily =
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"HTTP/1.0 302 Moved Temporarily\r\n";
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const std::string not_modified =
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"HTTP/1.0 304 Not Modified\r\n";
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const std::string bad_request =
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"HTTP/1.0 400 Bad Request\r\n";
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const std::string unauthorized =
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"HTTP/1.0 401 Unauthorized\r\n";
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const std::string forbidden =
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"HTTP/1.0 403 Forbidden\r\n";
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const std::string not_found =
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"HTTP/1.0 404 Not Found\r\n";
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const std::string internal_server_error =
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"HTTP/1.0 500 Internal Server Error\r\n";
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const std::string not_implemented =
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"HTTP/1.0 501 Not Implemented\r\n";
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const std::string bad_gateway =
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"HTTP/1.0 502 Bad Gateway\r\n";
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const std::string service_unavailable =
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"HTTP/1.0 503 Service Unavailable\r\n";
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boost::asio::const_buffer to_buffer(reply::status_type status)
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{
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switch (status)
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{
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case reply::ok:
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return boost::asio::buffer(ok);
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case reply::created:
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return boost::asio::buffer(created);
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case reply::accepted:
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return boost::asio::buffer(accepted);
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case reply::no_content:
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return boost::asio::buffer(no_content);
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case reply::multiple_choices:
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return boost::asio::buffer(multiple_choices);
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case reply::moved_permanently:
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return boost::asio::buffer(moved_permanently);
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case reply::moved_temporarily:
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return boost::asio::buffer(moved_temporarily);
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case reply::not_modified:
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return boost::asio::buffer(not_modified);
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case reply::bad_request:
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return boost::asio::buffer(bad_request);
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case reply::unauthorized:
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return boost::asio::buffer(unauthorized);
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case reply::forbidden:
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return boost::asio::buffer(forbidden);
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case reply::not_found:
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return boost::asio::buffer(not_found);
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case reply::internal_server_error:
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return boost::asio::buffer(internal_server_error);
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case reply::not_implemented:
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return boost::asio::buffer(not_implemented);
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case reply::bad_gateway:
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return boost::asio::buffer(bad_gateway);
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case reply::service_unavailable:
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return boost::asio::buffer(service_unavailable);
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default:
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return boost::asio::buffer(internal_server_error);
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}
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}
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} // namespace status_strings
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namespace misc_strings {
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const char name_value_separator[] = { ':', ' ' };
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const char crlf[] = { '\r', '\n' };
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} // namespace misc_strings
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std::vector<boost::asio::const_buffer> reply::to_buffers()
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{
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std::vector<boost::asio::const_buffer> buffers;
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buffers.push_back(status_strings::to_buffer(status));
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for (std::size_t i = 0; i < headers.size(); ++i)
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{
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header& h = headers[i];
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buffers.push_back(boost::asio::buffer(h.name));
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buffers.push_back(boost::asio::buffer(misc_strings::name_value_separator));
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buffers.push_back(boost::asio::buffer(h.value));
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buffers.push_back(boost::asio::buffer(misc_strings::crlf));
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}
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buffers.push_back(boost::asio::buffer(misc_strings::crlf));
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buffers.push_back(boost::asio::buffer(content));
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return buffers;
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}
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namespace stock_replies {
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const char ok[] = "";
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const char created[] =
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"<html>"
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"<head><title>Created</title></head>"
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"<body><h1>201 Created</h1></body>"
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"</html>";
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const char accepted[] =
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"<html>"
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"<head><title>Accepted</title></head>"
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"<body><h1>202 Accepted</h1></body>"
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"</html>";
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const char no_content[] =
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"<html>"
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"<head><title>No Content</title></head>"
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"<body><h1>204 Content</h1></body>"
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"</html>";
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const char multiple_choices[] =
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"<html>"
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"<head><title>Multiple Choices</title></head>"
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"<body><h1>300 Multiple Choices</h1></body>"
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"</html>";
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const char moved_permanently[] =
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"<html>"
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"<head><title>Moved Permanently</title></head>"
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"<body><h1>301 Moved Permanently</h1></body>"
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"</html>";
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const char moved_temporarily[] =
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"<html>"
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"<head><title>Moved Temporarily</title></head>"
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"<body><h1>302 Moved Temporarily</h1></body>"
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"</html>";
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const char not_modified[] =
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"<html>"
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"<head><title>Not Modified</title></head>"
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"<body><h1>304 Not Modified</h1></body>"
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"</html>";
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const char bad_request[] =
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"<html>"
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"<head><title>Bad Request</title></head>"
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"<body><h1>400 Bad Request</h1></body>"
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"</html>";
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const char unauthorized[] =
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"<html>"
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"<head><title>Unauthorized</title></head>"
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"<body><h1>401 Unauthorized</h1></body>"
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"</html>";
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const char forbidden[] =
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"<html>"
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"<head><title>Forbidden</title></head>"
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"<body><h1>403 Forbidden</h1></body>"
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"</html>";
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const char not_found[] =
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"<html>"
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"<head><title>Not Found</title></head>"
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"<body><h1>404 Not Found</h1></body>"
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"</html>";
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const char internal_server_error[] =
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"<html>"
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"<head><title>Internal Server Error</title></head>"
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"<body><h1>500 Internal Server Error</h1></body>"
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"</html>";
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const char not_implemented[] =
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"<html>"
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"<head><title>Not Implemented</title></head>"
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"<body><h1>501 Not Implemented</h1></body>"
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"</html>";
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const char bad_gateway[] =
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"<html>"
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"<head><title>Bad Gateway</title></head>"
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"<body><h1>502 Bad Gateway</h1></body>"
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"</html>";
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const char service_unavailable[] =
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"<html>"
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"<head><title>Service Unavailable</title></head>"
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"<body><h1>503 Service Unavailable</h1></body>"
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"</html>";
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std::string to_string(reply::status_type status)
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{
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switch (status)
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{
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case reply::ok:
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return ok;
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case reply::created:
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return created;
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case reply::accepted:
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return accepted;
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case reply::no_content:
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return no_content;
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case reply::multiple_choices:
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return multiple_choices;
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case reply::moved_permanently:
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return moved_permanently;
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case reply::moved_temporarily:
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return moved_temporarily;
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case reply::not_modified:
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return not_modified;
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case reply::bad_request:
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return bad_request;
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case reply::unauthorized:
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return unauthorized;
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case reply::forbidden:
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return forbidden;
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case reply::not_found:
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return not_found;
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case reply::internal_server_error:
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return internal_server_error;
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case reply::not_implemented:
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return not_implemented;
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case reply::bad_gateway:
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return bad_gateway;
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case reply::service_unavailable:
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return service_unavailable;
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default:
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return internal_server_error;
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}
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}
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} // namespace stock_replies
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reply reply::stock_reply(reply::status_type status)
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{
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reply rep;
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rep.status = status;
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rep.content = stock_replies::to_string(status);
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rep.headers.resize(2);
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rep.headers[0].name = "Content-Length";
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rep.headers[0].value = boost::lexical_cast<std::string>(rep.content.size());
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rep.headers[1].name = "Content-Type";
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rep.headers[1].value = "text/html";
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return rep;
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}
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} // namespace http
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#endif // HTTP_SERVER3_REPLY_HPP
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