112 lines
3.2 KiB
C++
112 lines
3.2 KiB
C++
#include <iostream>
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#include <boost/algorithm/string/predicate.hpp>
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#include "message.h"
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#include "protocol.h"
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protocol::protocol(const context& context) :
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m_internalState(internalState::none),
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m_context(context)
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{
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}
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protocol::result protocol::openConnection(const std::string& address)
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{
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m_address = address;
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m_internalState = internalState::connect;
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//std::cout << "Connection from " << address << std::endl;
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return answer(protocol::state::connected, "220 AlarmServer");
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}
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protocol::result protocol::processMessage(const std::string& message)
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{
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if (m_internalState == internalState::data)
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{
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appendMessage(message);
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if (boost::iends_with(message, ".\r\n"))
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{
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::message msg(m_address, m_context, m_message);
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m_internalState = internalState::helo;
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return answer(protocol::state::connected, "250 Ok");
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}
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return answer(protocol::state::connected, "");
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}
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//std::cout << "-> " << message << std::endl;
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if (m_internalState == internalState::auth_login_user)
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{
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m_internalState = internalState::auth_login_pass;
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return answer(protocol::state::connected, "334 UGFzc3dvcmQ6");
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}
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if (m_internalState == internalState::auth_login_pass)
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{
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m_internalState = internalState::helo;
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return answer(protocol::state::connected, "235 2.7.0 Authentication successful");
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}
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if (boost::iequals(message, "quit\r\n"))
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{
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m_internalState = internalState::disconnect;
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return answer(protocol::state::disconnected, "221 Bye");
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}
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if (boost::istarts_with(message, "helo"))
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{
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m_internalState = internalState::helo;
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return answer(protocol::state::connected, "250-AlarmServer\r\n250 AUTH LOGIN");
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}
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if (boost::istarts_with(message, "ehlo"))
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{
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m_internalState = internalState::helo;
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return answer(protocol::state::connected, "250-AlarmServer\r\n250 AUTH LOGIN");
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}
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if (boost::istarts_with(message, "auth login"))
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{
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if (m_internalState != internalState::helo)
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return answer(protocol::state::connected, "503 Bad sequence of commands");
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m_internalState = internalState::auth_login_user;
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return answer(protocol::state::connected, "334 VXNlcm5hbWU6");
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}
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if (boost::istarts_with(message, "mail from:"))
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{
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if (m_internalState != internalState::helo)
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return answer(protocol::state::connected, "503 Bad sequence of commands");
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m_internalState = internalState::mail_from;
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return answer(protocol::state::connected, "250 Ok");
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}
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if (boost::istarts_with(message, "rcpt to:"))
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{
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if (m_internalState != internalState::mail_from)
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return answer(protocol::state::connected, "503 Bad sequence of commands");
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m_internalState = internalState::rcpt_to;
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return answer(protocol::state::connected, "250 Ok");
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}
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if (boost::iequals(message, "data\r\n"))
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{
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if (m_internalState != internalState::rcpt_to)
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return answer(protocol::state::connected, "503 Bad sequence of commands");
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m_internalState = internalState::data;
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return answer(protocol::state::connected, "354 Go ahead");
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}
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return answer(protocol::state::connected, "502 Error");
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}
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protocol::result protocol::answer(protocol::state::type state, std::string answer) const
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{
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/*
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if (answer.size() > 0)
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std::cout << "<- " << answer << std::endl;
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*/
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return result(state, answer);
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}
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void protocol::appendMessage(const std::string& message)
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{
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m_message.append(message);
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m_message.append("\n");
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}
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