128 lines
3.7 KiB
C++
128 lines
3.7 KiB
C++
#include <nntpchan/staticfile_frontend.hpp>
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#include <nntpchan/file_handle.hpp>
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#include <nntpchan/sanitize.hpp>
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#include <nntpchan/mime.hpp>
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#include <nntpchan/sha1.hpp>
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#include <any>
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#include <iostream>
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#include <set>
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#include <sstream>
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namespace nntpchan
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{
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StaticFileFrontend::StaticFileFrontend(TemplateEngine * tmpl, const std::string & templateDir, const std::string & outDir, uint32_t pages) :
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m_TemplateEngine(tmpl),
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m_TemplateDir(templateDir),
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m_OutDir(outDir),
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m_Pages(pages)
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{
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}
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void StaticFileFrontend::ProcessNewMessage(const fs::path & fpath)
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{
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std::clog << "process message " << fpath << std::endl;
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auto file = OpenFile(fpath, eRead);
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if(file)
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{
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// read header
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RawHeader header;
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if(!ReadHeader(file, header))
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{
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std::clog << "failed to read mime header" << std::endl;
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return;
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}
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// read body
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std::map<std::string, std::any> thread_args;
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auto findMsgidFunc = [](const std::pair<std::string, std::string> & item) -> bool {
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auto lower = ToLower(item.first);
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return (lower == "message-id") || (lower == "messageid");
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};
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auto msgid = std::find_if(header.begin(), header.end(), findMsgidFunc);
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if(!IsValidMessageID(msgid->second))
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{
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std::clog << "invalid message-id: " << msgid->second << std::endl;
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return;
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}
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std::string msgid_hash = sha1_hex(msgid->second);
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fs::path threadFilePath = m_OutDir / fs::path("thread-" + msgid_hash + ".html");
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if(m_TemplateEngine)
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{
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FileHandle_ptr out = OpenFile(threadFilePath, eWrite);
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if(!m_TemplateEngine->WriteTemplate("thread.mustache", thread_args, out))
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{
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std::clog << "failed to write " << threadFilePath << std::endl;
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return;
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}
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}
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std::set<std::string> newsgroups_list;
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auto findNewsgroupsFunc = [](const std::pair<std::string, std::string> & item) -> bool
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{
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return ToLower(item.first) == "newsgroups";
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};
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auto group = std::find_if(header.begin(), header.end(), findNewsgroupsFunc);
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if(group == std::end(header))
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{
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std::clog << "no newsgroups header" << std::endl;
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return;
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}
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std::istringstream input(group->second);
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std::string newsgroup;
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while(std::getline(input, newsgroup, ' '))
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{
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if(IsValidNewsgroup(newsgroup))
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newsgroups_list.insert(newsgroup);
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}
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for(const auto & name : newsgroups_list)
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{
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auto board = GetThreadsPaginated(name, 10, m_Pages);
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uint32_t pageno = 0;
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for(Threads_t threads : board)
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{
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std::map<std::string, std::any> board_args;
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board_args["group"] = std::make_any<std::string>(name);
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board_args["pageno"] = std::make_any<uint32_t>(pageno);
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board_args["threads"] = std::make_any<Threads_t>(threads);
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fs::path boardPageFilename(newsgroup + "-" + std::to_string(pageno) + ".html");
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if(m_TemplateEngine)
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{
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FileHandle_ptr out = OpenFile(m_OutDir / boardPageFilename, eWrite);
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m_TemplateEngine->WriteTemplate("board.mustache", board_args, out);
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}
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++pageno;
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}
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}
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}
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}
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bool StaticFileFrontend::AcceptsNewsgroup(const std::string & newsgroup)
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{
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return IsValidNewsgroup(newsgroup);
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}
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bool StaticFileFrontend::AcceptsMessage(const std::string & msgid)
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{
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return IsValidMessageID(msgid);
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}
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StaticFileFrontend::BoardPage_t StaticFileFrontend::GetThreadsPaginated(const std::string & group, uint32_t perpage, uint32_t pages)
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{
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return {};
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}
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}
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