76 lines
2.1 KiB
C++
Executable File
76 lines
2.1 KiB
C++
Executable File
#include <crow_all.h>
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#include <filesystem>
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#include <string>
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#include <array>
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#include <memory>
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#include <curl/curl.h>
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std::string exec(const std::string &cmd) {
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std::array<char, 128> buffer;
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std::string result;
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std::unique_ptr<FILE, decltype(&pclose)> pipe(popen(cmd.c_str(), "r"), pclose);
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if (!pipe) {
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throw std::runtime_error("popen() failed!");
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}
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while (fgets(buffer.data(), static_cast<int>(buffer.size()), pipe.get()) != nullptr) {
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result += buffer.data();
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}
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return result;
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}
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std::string url_decode(const std::string& encoded) {
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int output_length;
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const auto decoded_value = curl_easy_unescape(nullptr, encoded.c_str(), static_cast<int>(encoded.length()), &output_length);
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std::string result(decoded_value, output_length);
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curl_free(decoded_value);
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return result;
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}
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std::string process_file(const std::filesystem::path &path) {
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return exec("pandoc --template='templates/post.txt' -t plain '" + path.string() + "'");;
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}
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namespace route {
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std::string root() {
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return crow::mustache::load_text("index.html");
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}
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crow::mustache::rendered_template blog() {
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std::string posts = "";
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std::filesystem::path postsDir("posts");
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std::vector<std::future<std::string>> futures;
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for (auto const& entry : std::filesystem::directory_iterator{postsDir}) {
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futures.emplace_back(std::async(std::launch::async, process_file, entry.path()));
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}
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for (auto& future : futures) {
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posts += future.get();
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}
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auto page = crow::mustache::load("posts.html");
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crow::mustache::context ctx( {{"posts", posts}} );
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return page.render(ctx);
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}
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std::string post(const std::string &name) {
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std::string decoded_name = url_decode(name);
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if (std::filesystem::exists("posts/" + decoded_name))
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return exec("pandoc --standalone --template templates/template.html './posts/" + decoded_name + "'");
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else
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return std::string("<h1>Not found</h1>");
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}
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};
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int main() {
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crow::SimpleApp app;
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CROW_ROUTE(app, "/")(route::root);
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CROW_ROUTE(app, "/blog")(route::blog);
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CROW_ROUTE(app, "/blog/<string>")(route::post);
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app.port(8080).multithreaded().run();
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}
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