Personal blog written from scratch using Node.js, Bootstrap, and MySQL.
https://jrtechs.net
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147 lines
3.9 KiB
147 lines
3.9 KiB
/**
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* Main server file for the blog. This file is responsible for
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* creating the server and listening for clients. The main run
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* function parses the url and calls a sub module to make the
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* appropriate pages.
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*/
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//http server
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const http = require('http');
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//used to parse the request URL
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const url = require('url');
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//express app
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const express = require("express");
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//express app
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const app = express();
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//used to append static content to result
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const includes = require('./includes/includes.js');
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//server side logging
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const sql = require('./utils/sql');
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//Used for gzip compression
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const compression = require('compression')
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//caching program to make the application run faster
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const cache = require('memory-cache');
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//Updates the site map whenever the server is started
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const map = require('./utils/generateSiteMap.js');
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map.main();
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//port for the server to run on
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const port = 8000;
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/**
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* Parses the request url and calls correct JS files
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*/
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app.use(function(request, result)
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{
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//prevents people from pointing their dns at my IP:port for my site
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if(request.headers.host.includes("localhost:" + port) ||
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request.headers.host.includes("jrtechs.net"))
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{
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const filename = url.parse(request.url, true).pathname;
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//handles image requests
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if(filename.includes("/img/") || filename.includes(".jpg") ||
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filename.includes(".png") || filename.includes(".ico"))
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{
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includes.sendImage(result, filename, cache);
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}
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//css and font files
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else if(filename.includes("/css/") || filename.includes(".woff2") ||
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filename.includes(".txt"))
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{
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includes.sendCSS(result, filename, cache);
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}
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//scripts
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else if(filename.includes("/js/") || filename.includes(".js"))
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{
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includes.sendJS(result, filename, cache);
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}
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//downloads
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else if(filename.includes("/downloads/"))
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{
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require("./downloads/downloads.js").main(result, filename, request);
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}
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else
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{
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const html = cache.get(filename);
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result.writeHead(200, {'Content-Type': 'text/html'});
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if(html == null)
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{
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var file = "";
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if(filename === '' || filename === '/')
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{
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file="./posts/homePage.js";
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}
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else
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{
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var urlSplit = filename.split("/");
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if(urlSplit.length >= 2 && urlSplit[1] === 'category') //single category page
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file = "./posts/category.js";
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else
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file = "./posts/posts.js";
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}
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Promise.all([includes.printHeader(),
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require(file).main(filename, request),
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includes.printFooter()]).then(function(content)
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{
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result.write(content.join(''));
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result.end();
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cache.put(filename, content.join(''));
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}).catch(function(err)
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{
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console.log(err);
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throw err;
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});
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}
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else
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{
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result.write(html);
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result.end();
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}
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try
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{
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var getClientAddress = (request.headers['x-forwarded-for'] || '').split(',')[0]
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|| request.connection.remoteAddress;
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console.log(getClientAddress);
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sql.logTraffic(getClientAddress, filename);
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}
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catch (e)
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{
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}
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}
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}
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else
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{
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// utils.printWrongHost(result);
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result.writeHead(418, {});
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result.end();
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}
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});
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//enables gzip compression for the site
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app.use(compression());
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http.createServer(app).listen(port);
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