poke/server.js

/*

    PokeTube is an Free/Libre youtube front-end. this is our main file.
  
    Copyright (C) 2021-2023 POKETUBE (https://github.com/iamashley0/poketube)
    
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
    
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program. If not, see https://www.gnu.org/licenses/.
  */

(async function () {
  const {
    fetcher,
    core,
    wiki,
    musicInfo,
    modules,
    version,
    initlog,
    init,
  } = require("./src/libpoketube/libpoketube-initsys.js");
  const media_proxy = require("./src/libpoketube/libpoketube-video.js");
  const { sinit } = require("./src/libpoketube/init/superinit.js");
  const config = require("./config.json");
  const u = await media_proxy();
  initlog("Loading...");
  initlog(
    "[Welcome] Welcome To PokeTube :3 " +
      "Running " +
      `Node ${process.version} - V8 v${
        process.versions.v8
      } -  ${process.platform.replace("linux", "GNU/Linux")} ${
        process.arch
      } Server - libpt ${version}`
  );

  const {
    IsJsonString,
    convert,
    getFirstLine,
    capitalizeFirstLetter,
    turntomins,
    getRandomInt,
    getRandomArbitrary,
  } = require("./src/libpoketube/ptutils/libpt-coreutils.js");

  initlog("Loaded libpt-coreutils");

  const templateDir = modules.path.resolve(
    `${process.cwd()}${modules.path.sep}html`
  );

  const sha384 = modules.hash;
  
 var http = require("https");
  var ping = require("ping");

  if (process.env.STATUSPAGE_API) {
    // The following 4 are the actual values that pertain to your account and this specific metric.
    var apiKey = process.env.STATUSPAGE_API;
    var pageId =  process.env.STATUSPAGE_PAGEID;
    var metricId = process.env.STATUSPAGE_METRICID
    var apiBase = "https://api.statuspage.io/v1";

    var url =
      apiBase + "/pages/" + pageId + "/metrics/" + metricId + "/data.json";
    var authHeader = { Authorization: "OAuth " + apiKey };
    var options = { method: "POST", headers: authHeader };

    // Need at least 1 data point for every 5 minutes.
    // Submit random data for the whole day.
    var totalPoints = (60 / 5) * 24;
    var epochInSeconds = Math.floor(new Date() / 1000);

    // This function gets called every second.
    function submit(count) {
      count = count + 1;

      if (count > totalPoints) return;

      var currentTimestamp = epochInSeconds - (count - 1) * 5 * 60;

      // Measure server ping here
      var host = "poketube.fun"; // Replace with the server you want to ping

      ping.promise
        .probe(host)
        .then((result) => {
          var ping = result.time !== "unknown" ? parseInt(result.time) : -1;

       ping = Math.min(Math.max(ping, 20), 250);

          var data = {
            timestamp: currentTimestamp,
            value: ping,
          };

          var request = http.request(url, options, function (res) {
            if (res.statusMessage === "Unauthorized") {
              const genericError =
                "Error encountered. Please ensure that your page code and authorization key are correct.";
              return console.error(genericError);
            }
            res.on("data", function () {
              console.log("Submitted point " + count + " of " + totalPoints);
            });
            res.on("end", function () {
              setTimeout(function () {
                submit(count);
              }, 1000);
            });
            res.on("error", (error) => {
              console.error(`Error caught: ${error.message}`);
            });
          });

          request.end(JSON.stringify({ data: data }));
        })
        .catch((error) => {
          console.error("Ping failed:", error);
          // Submit a default value if the ping fails
          var data = {
            timestamp: currentTimestamp,
            value: -1, // Use -1 to indicate ping failure
          };

          var request = http.request(url, options, function (res) {
            // Handle response
          });

          request.end(JSON.stringify({ data: data }));
        });
    }

  
  // Initial call to start submitting data immediately.
  submit(0);
 
  }
  
  var app = modules.express();
  initlog("Loaded express.js");
  app.engine("html", require("ejs").renderFile);
  app.use(modules.express.urlencoded({ extended: true })); // for parsing application/x-www-form-urlencoded
  app.use(modules.useragent.express());
  app.use(modules.express.json()); // for parsing application/json
  app.enable("trust proxy");

  const renderTemplate = async (res, req, template, data = {}) => {
    res.render(
      modules.path.resolve(`${templateDir}${modules.path.sep}${template}`),
      Object.assign(data)
    );
  };
 
  const random_words = [
    "banana pie",
    "how to buy an atom bomb",
    "is love just an illusion",
    "things to do if ur face becomes benjamin frenklin",
    "how do defeat an pasta",
    "can you go to space?",
    "how to become a god?",
    "is a panda a panda if pandas???",
    "Minecraft movie trailer",
    "monke",
  ];

  const initPokeTube = function () {
    sinit(app, config, renderTemplate);
    initlog("inited super init");
    init(app);
    initlog("inited app");
  };

  try {
    app.use(function (req, res, next) {
      res.header("Access-Control-Allow-Origin", "*");
      if (req.secure) {
        res.header(
          "Strict-Transport-Security",
          "max-age=31536000; includeSubDomains; preload"
        );
      }
      res.header("secure-poketube-instance", "1");

      next();
    });

    app.use(function (request, response, next) {
      if (config.enablealwayshttps && !request.secure) {
        if (
          !/^https:/i.test(
            request.headers["x-forwarded-proto"] || request.protocol
          )
        ) {
          return response.redirect(
            "https://" + request.headers.host + request.url
          );
        }
      }

      next();
    });

    app.use(function (req, res, next) {
      res.header("X-PokeTube-Youtube-Client-Name", "1");
      res.header("X-PokeTube-Youtube-Client-Version", "2.20210721.00.00");
      res.header("X-PokeTube-Speeder", "6 seconds no cache, 780ms w/cache");
      if (req.url.match(/^\/(css|js|img|font)\/.+/)) {
        res.setHeader(
          "Cache-Control",
          "public, max-age=" + config.cacher_max_age
        ); // cache header
        res.setHeader("poketube-cacher", "STATIC_FILES");
      }

      const a = 890;
      if (!req.url.match(/^\/(css|js|img|font)\/.+/)) {
        res.setHeader("Cache-Control", "public, max-age=" + a); // cache header
        res.setHeader("poketube-cacher", "PAGE");
      }
      next();
    });

    initlog("[OK] Load headers");
  } catch {
    initlog("[FAILED] load headers");
  }

  try {
    app.get("/robots.txt", (req, res) => {
      res.sendFile(__dirname + "/robots.txt");
    });

    initlog("[OK] Load robots.txt");
  } catch {
    initlog("[FAILED] load robots.txt");
  }

  initPokeTube();
})();