98 lines
2.6 KiB
C++
98 lines
2.6 KiB
C++
/*
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Copyright© 2021 John Sennesael
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UsenetSearch is free software: you can redistribute it and/or modify
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it under the terms of the GNU 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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(at your option) any later version.
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UsenetSearch 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 General Public License
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along with UsenetSearch. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <cstdint>
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#include <codecvt>
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#include <fstream>
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#include <locale>
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#include <memory>
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#include <string>
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#include <vector>
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#include "usenetsearch/SSLConnection.h"
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#include "usenetsearch/TcpConnection.h"
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namespace usenetsearch {
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struct UsenetClientException: public UsenetSearchException
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{
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UsenetClientException(int errorCode, const std::string& message):
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UsenetSearchException(errorCode, message){}
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virtual ~UsenetClientException() = default;
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};
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struct NntpHeader
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{
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};
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struct NntpMessage
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{
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std::uint16_t code;
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std::wstring message;
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};
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struct NntpListEntry
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{
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std::wstring name;
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std::uint64_t high;
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std::uint64_t low;
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std::uint64_t count;
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std::wstring status;
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};
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std::ostream& operator<<(std::ofstream& out, const NntpListEntry& obj);
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std::ifstream& operator>>(std::ifstream& in, NntpListEntry& obj);
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class UsenetClient
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{
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std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> m_conv;
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std::unique_ptr<SSLConnection> m_ssl;
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std::unique_ptr<TcpConnection> m_tcp;
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bool m_useSSL{false};
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bool IsError(const NntpMessage& msg) const;
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NntpMessage ReadLine();
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void Write(const std::wstring& message);
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std::wstring ReadUntil(const std::wstring& deliminator);
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public:
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void Authenticate(const std::wstring& user, const std::wstring& password);
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void Connect(
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const std::string& host,
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std::uint16_t port,
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bool useSSL = false
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);
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void Group(const std::wstring& groupName);
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std::unique_ptr<std::vector<NntpListEntry>> List();
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/* whilst message id's are typically numbers, the rfc states they are unique
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alphanumeric strings. */
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std::unique_ptr<std::vector<std::wstring>> ListGroup(
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const std::wstring& newsGroup
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);
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// use the ListGroup <newsgroup> command to get a list of article id's in a newsgroup
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// then use the HEAD <article id> command to get the headers for each article
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};
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} // namespace usenetsearch
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