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herton
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server
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2 Ревизии a1f26ab041 ... 4237c43bed

Автор SHA1 Съобщение Дата
  Herton 4237c43bed Making soe improvements and housekeeping преди 4 години
  Herton f0768c0874 Starting to making some improvements преди 4 години
променени са 6 файла, в които са добавени 137 реда и са изтрити 39 реда
Обединен изглед Покажи статистика за разликите
  1. 94 0
      SimpleServerHelper.js
  2. 28 0
      public/404.html
  3. 2 2
      public/index.html
  4. BIN
      public/sad.png
  5. 2 2
      public/sw.js
  6. 11 35
      server.js

+ 94 - 0
SimpleServerHelper.js
Целия файл 

@@ -0,0 +1,94 @@
 
+
 
+
 
+'use strict';
 
+
 
+const fs = require('fs');
 
+const path = require('path');
 
+
 
+class SimpleServerHelper {
 
+    constructor(config, request, response) {
 
+        this.settings = {
 
+            ...{
 
+                publicFolder: 'public',
 
+                htmlIndexPath: 'public/index.html',
 
+                html404Path: 'public/404.html',
 
+                verbose: false,
 
+                allowedFiles: {
 
+                    txt: 'text/plain',
 
+                    json: 'text/json',
 
+                    css: 'text/css',
 
+                    gif: 'image/gif',
 
+                    jpg: 'image/jpeg',
 
+                    png: 'image/png',
 
+                    svg: 'image/svg+xml',
 
+                    ico: 'image/ico',
 
+                    js: 'application/javascript',
 
+                    html: 'text/html',
 
+                },
 
+            },
 
+            ...config
 
+        };
 
+        this.request = request;
 
+        this.response = response;
 
+        const uri = request.url.toLowerCase();
 
+        const publicPath = path.join(__dirname, this.settings.publicFolder);
 
+        this.mimeType = this.getType(uri);
 
+        this.filePath = this.isHtml() ? this.settings.htmlIndexPath : publicPath + uri;
 
+    }
 
+
 
+    getType(path) {
 
+        if (path == '/') return this.settings.allowedFiles['html'];
 
+        const extension = path.split('.').pop().split('?').shift();
 
+        return this.settings.allowedFiles[extension];
 
+    }
 
+
 
+    isHtml() {
 
+        return this.mimeType == this.settings.allowedFiles['html'];
 
+    }
 
+
 
+    isValid() {
 
+        return this.isHtml() || this.fileExist();
 
+    }
 
+
 
+    fileExist() {
 
+        let exists = false
 
+        try {
 
+            exists = fs.existsSync(this.filePath);
 
+        } catch (error) {
 
+            if (this.settings.verbose) console.error(error);
 
+        }
 
+        return exists;
 
+    }
 
+
 
+    handleLogs(isValid) {
 
+        if (this.settings.verbose) {
 
+            if (isValid) console.info(new Date().toString() + ' ' + this.filePath);
 
+            else console.error('Error accessing ' + this.request.url);
 
+        }
 
+    }
 
+
 
+    writeHead(isValid) {
 
+        if (isValid) {
 
+            this.response.writeHead(200, {
 
+                'Cache-Control': 'max-age=31536000',
 
+                'Content-Type': this.mimeType
 
+            });
 
+        } else {            
+            this.response.writeHead(404, {
 
+                'Content-Type': this.settings.allowedFiles['html']
 
+            });
 
+        }
 
+    }
 
+
 
+    respond() {
 
+        const isValid = this.isValid();
 
+        this.writeHead(isValid);
 
+        isValid ? fs.createReadStream(this.filePath).pipe(this.response)
 
+                : fs.createReadStream(this.settings.html404Path).pipe(this.response);
 
+        this.handleLogs(isValid);
 
+    }
 
+};
 
+
 
+module.exports = {
 
+    SimpleServerHelper
 
+};

+ 28 - 0
public/404.html
Целия файл 

@@ -0,0 +1,28 @@
 
+<!DOCTYPE html>
 
+<html lang="en">
 
+<head>
 
+    <meta charset="UTF-8">
 
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
 
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
+    <title>Simple 404 page not found</title>
 
+    <meta name="description" content="Simple 404 page not found">
 
+    <!-- Above the fold styles -->
 
+    <style>.wrapper {max-width:500px;margin:1rem auto;text-align:center;padding:0 1rem;}</style>
 
+    <!-- Non blocking styles -->
 
+    <link rel="preload" href="styles.css" as="style" onload="this.onload=null;this.rel='stylesheet'">
 
+    <!-- Fallback when JavaScript is not available -->
 
+    <noscript><link rel="stylesheet" href="styles.css"></noscript>
 
+    <!-- Assync scripts -->
 
+    <script type="text/javascript" src="scripts.js" async></script>
 
+    <!-- PWA stuff -->
 
+    <link rel="manifest" href="manifest.json">
 
+    <meta name="theme-color" content="white">
 
+    <link rel="apple-touch-icon" href="apple-touch-icon.png">
 
+</head>
 
+<body>
 
+    <div class="wrapper">
 
+        <img src="sad.png" width="90" height="90" alt="icon"/>
 
+        <h2>Simple Node Server Not Found</h2>
 
+    </div>
 
+</body>
 
+</html>

+ 2 - 2
public/index.html
Целия файл 

@@ -4,8 +4,8 @@
 
     <meta charset="UTF-8">
 
     <meta charset="UTF-8">
 
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
 
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
 
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
-    <title>Single page node server with no dependencies</title>
 
-    <meta name="description" content="Simgle file page basic page">
 
+    <title>Single page app node server with no dependencies</title>
 
+    <meta name="description" content="Simgle page basic server optimized for speed and PWA">
 
     <!-- Above the fold styles -->
 
     <!-- Above the fold styles -->
 
     <style>.wrapper {max-width:500px;margin:1rem auto;text-align:center;padding:0 1rem;}</style>
 
     <style>.wrapper {max-width:500px;margin:1rem auto;text-align:center;padding:0 1rem;}</style>
 
     <!-- Non blocking styles -->
 
     <!-- Non blocking styles -->

BIN
public/sad.png
Целия файл


+ 2 - 2
public/sw.js
Целия файл 

@@ -1,8 +1,8 @@
 
 self.addEventListener('fetch', function(event) {
 
 self.addEventListener('fetch', function(event) {
 
     event.respondWith(async function() {
 
     event.respondWith(async function() {
 
         try{
 
         try{
 
-            var res = await fetch(event.request);
 
-            var cache = await caches.open('cache');
 
+            const res = await fetch(event.request);
 
+            const cache = await caches.open('cache');
 
             cache.put(event.request.url, res.clone());
 
             cache.put(event.request.url, res.clone());
 
             return res;
 
             return res;
 
         }
 
         }

+ 11 - 35
server.js
Целия файл 

@@ -1,40 +1,16 @@
 
 const http = require('http');
 
 const http = require('http');
 
-const fs = require('fs');
 
-const port = 2222;
 
-const path = require('path');
 
-const public = path.join(__dirname, 'public');
 
-const htmlFile = 'public/index.html'; //Single page app file
 
-/* Allowed file types */
 
-const types = {
 
-    txt: 'text/plain',
 
-    json: 'text/json',
 
-    css: 'text/css',
 
-    gif: 'image/gif',
 
-    jpg: 'image/jpeg',
 
-    png: 'image/png',
 
-    svg: 'image/svg+xml',
 
-    ico: 'image/ico',
 
-    js: 'application/javascript'
 
+const { SimpleServerHelper } = require('./SimpleServerHelper.js');
 
+const port = process.env.PORT || 2222;
 
+const verbose = process.env.VERBOSE || false // To log errors and files accessed
 
+const config = {
 
+    publicFolder: 'public',
 
+    htmlIndexPath: 'public/index.html',
 
+    html404Path: 'public/404.html',
 
+    verbose 
 };
 
 };
 
-/* Simple media path validation for single page app */
 
-function getType(path) {
 
-    if (path == '/' || path.indexOf(`.html`) != -1) return 'html';
 
-    for (const type in types) {
 
-        if (path.indexOf(`.${type}`) != -1) return type;
 
-    }
 
-    return false;
 
-}
 
-/* Server rules */
 
-const server = http.createServer((req, res) => {
 
-    const path = req.url.toLowerCase();
 
-    const mediaType = getType(path);
 
-    if (! mediaType) res.writeHead(404).end('Not found');
 
-    res.writeHead(200, {
 
-        'Cache-Control': 'max-age=31536000',
 
-        'Content-Type': mediaType == 'html' ? 'text/html' : types[mediaType]
 
-    });
 
-    const filePath = mediaType == 'html' ? htmlFile : public + path;
 
-    res.end(fs.readFileSync(filePath));
 
+
 
+const server = http.createServer((request, response) => {
 
+    new SimpleServerHelper(config, request, response).respond();
 
 });
 
 });
 
 
 
 server.listen(port, '127.0.0.1');
 
 server.listen(port, '127.0.0.1');