Erste Schritte für Server

Client/tsconfig.json

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+{
+    "compilerOptions": {
+      "noImplicitAny": false,
+      "noEmitOnError": true,
+      "removeComments": false,
+      "sourceMap": false,
+      "target": "ES5",
+      "outDir": "../html/scripts"
+    },
+    "include": [
+      "client/**/*"
+    ]
+}

Server/scripts/FileHandler.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.file_get = exports.file_exists = exports.file_allowed = exports.File = void 0;
+var node_fs_1 = require("node:fs");
+var Webserver_1 = require("./Webserver");
+var Mapping = /** @class */ (function () {
+    function Mapping() {
+    }
+    return Mapping;
+}());
+var mappings = [
+    { ending: 'html', encoding: 'text/html' },
+    { ending: 'js', encoding: 'text/javascript' },
+    { ending: 'css', encoding: 'text/css' },
+    { ending: 'json', encoding: 'application/json' },
+    { ending: 'ico', encoding: 'image/x-icon' },
+    { ending: 'svg', encoding: 'image/svg+xml' },
+    { ending: 'txt', encoding: 'text/plain' },
+];
+var File = /** @class */ (function () {
+    function File(type, content) {
+        this.content = content;
+        this.type = type;
+    }
+    return File;
+}());
+exports.File = File;
+function file_allowed(url) {
+    var allowed = false;
+    var m = url.match('\\.\\.');
+    if (m == null) {
+        allowed = true;
+    }
+    return allowed;
+}
+exports.file_allowed = file_allowed;
+function file_exists(url) {
+    if (url == '/') {
+        url = Webserver_1.index_alias;
+    }
+    return (0, node_fs_1.existsSync)(Webserver_1.www_folder + url);
+}
+exports.file_exists = file_exists;
+function file_get(url) {
+    if (url == '/') {
+        url = Webserver_1.index_alias;
+    }
+    return new File(get_type(url), (0, node_fs_1.readFileSync)(Webserver_1.www_folder + url));
+}
+exports.file_get = file_get;
+function get_type(url) {
+    if (url == '/') {
+        url = Webserver_1.index_alias;
+    }
+    var type = 'application/octet-stream';
+    var m = mappings.find(function (e) { return e.ending == url.split('.').pop(); });
+    if (m != undefined) {
+        type = m.encoding;
+    }
+    return type;
+}

Server/scripts/FileHandler.js.map

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+{"version":3,"file":"FileHandler.js","sourceRoot":"","sources":["../server/FileHandler.ts"],"names":[],"mappings":";;;AAAA,mCAAoC;AAEpC,IAAM,UAAU,GAAW,iDAAiD,CAAA;AAC5E,IAAM,WAAW,GAAW,YAAY,CAAA;AAExC,SAAgB,YAAY,CAAC,GAAW;IACpC,IAAI,OAAO,GAAY,KAAK,CAAC;IAC7B,IAAI,GAAG,CAAC,KAAK,CAAC,IAAI,CAAC,IAAI,IAAI,EAAE,CAAC;QAC1B,OAAO,GAAG,IAAI,CAAC;IACnB,CAAC;IACD,OAAO,OAAO,CAAC;AACnB,CAAC;AAND,oCAMC;AAED,SAAgB,WAAW,CAAC,GAAW;IACnC,OAAO,IAAA,oBAAU,EAAC,UAAU,GAAG,GAAG,CAAC,CAAC;AACxC,CAAC;AAFD,kCAEC"}

Server/scripts/RequestHandler.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.new_request = void 0;
+var FileHandler_1 = require("./FileHandler");
+function new_request(req, res) {
+    if ((0, FileHandler_1.file_allowed)(req.url)) {
+        if ((0, FileHandler_1.file_exists)(req.url)) {
+            res.statusCode = 200;
+            var f = (0, FileHandler_1.file_get)(req.url);
+            res.setHeader('Content-Type', f.type);
+            res.end(f.content);
+        }
+        else {
+            res.statusCode = 404;
+        }
+    }
+    else {
+        res.statusCode = 403;
+    }
+    console.log(req.url, res.statusCode);
+    res.end();
+}
+exports.new_request = new_request;

Server/scripts/Webserver.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.start_server = exports.index_alias = exports.www_folder = void 0;
+var node_http_1 = require("node:http");
+var RequestHandler_1 = require("./RequestHandler");
+exports.www_folder = '/home/carsten/Dokumente/SmartHomeDashboard/html/';
+exports.index_alias = 'index.html';
+var port = 8080;
+var hostname = '127.0.0.1';
+function start_server() {
+    var server = (0, node_http_1.createServer)(RequestHandler_1.new_request);
+    server.listen(port, hostname, function () {
+        console.log('Server running at http://' + hostname + ':' + port);
+    });
+}
+exports.start_server = start_server;

Server/scripts/Webserver.js.map

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+{"version":3,"file":"Webserver.js","sourceRoot":"","sources":["../server/Webserver.ts"],"names":[],"mappings":""}

Server/scripts/main.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var Webserver_1 = require("./Webserver");
+(0, Webserver_1.start_server)();
+console.log("Server started");

Server/scripts/main.js.map

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+{"version":3,"file":"main.js","sourceRoot":"","sources":["../server/main.ts"],"names":[],"mappings":""}

Server/server/FileHandler.ts

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+import { existsSync, readFileSync } from 'node:fs';
+import { www_folder, index_alias } from './Webserver';
+
+class Mapping {
+    ending: string;
+    encoding: string;
+}
+
+const mappings: Mapping[] = [
+    { ending: 'html', encoding: 'text/html' },
+    { ending: 'js', encoding: 'text/javascript' },
+    { ending: 'css', encoding: 'text/css' },
+    { ending: 'json', encoding: 'application/json' },
+    { ending: 'ico', encoding: 'image/x-icon' },
+    { ending: 'svg', encoding: 'image/svg+xml' },
+    { ending: 'txt', encoding: 'text/plain' },
+]
+
+export class File {
+    type: string;
+    content: Buffer;
+
+    constructor(type: string, content: Buffer) {
+        this.content = content;
+        this.type = type;
+    }
+}
+
+export function file_allowed(url: string): boolean { 
+    let allowed: boolean = false;
+    let m = url.match('\\.\\.');
+    if (m == null) {
+        allowed = true;
+    }
+    return allowed;
+}
+
+export function file_exists(url: string): boolean {
+    if(url == '/') {
+        url = index_alias;
+    }
+    return existsSync(www_folder + url);
+}
+
+export function file_get(url: string): File {
+    if(url == '/') {
+        url = index_alias;
+    }
+    return new File(get_type(url), readFileSync(www_folder + url));
+}
+
+function get_type(url: string): string {
+    if(url == '/') {
+        url = index_alias;
+    }
+    let type: string = 'application/octet-stream';
+    let m: Mapping = mappings.find((e) => e.ending == url.split('.').pop());
+    if(m != undefined) {
+        type = m.encoding;
+    }
+    return type;
+}

Server/server/RequestHandler.ts

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+import { IncomingMessage, ServerResponse } from "node:http";
+import { file_allowed, file_exists, file_get, File } from "./FileHandler";
+
+export function new_request(req: IncomingMessage, res: ServerResponse): void {
+    if(file_allowed(req.url)) {
+        if(file_exists(req.url)) {
+            res.statusCode = 200;
+            let f: File = file_get(req.url)
+            res.setHeader('Content-Type', f.type);
+            res.end(f.content);
+        } else {
+            res.statusCode = 404;
+        }
+    } else {
+        res.statusCode = 403;
+    }
+    console.log(req.url, res.statusCode);
+    res.end();
+}

Server/server/Webserver.ts

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+import { createServer } from 'node:http'
+import { new_request } from './RequestHandler';
+
+
+export const www_folder: string = '/home/carsten/Dokumente/SmartHomeDashboard/html/';
+export const index_alias: string = 'index.html';
+const port: number = 8080;
+const hostname: string = '127.0.0.1';
+
+
+export function start_server(): void {
+    const server = createServer(new_request);
+
+    server.listen(port, hostname, () => {
+        console.log('Server running at http://' + hostname  + ':' + port);
+    });
+}
+

Server/server/main.ts

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+import { start_server } from "./Webserver";
+
+start_server();
+console.log("Server started");

Server/tsconfig.json

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+{
+    "compilerOptions": {
+      "noImplicitAny": false,
+      "noEmitOnError": true,
+      "removeComments": false,
+      "sourceMap": false,
+      "target": "ES5",
+      "outDir": "scripts"
+    },
+    "include": [
+      "server/**/*"
+    ]
+}

html/index.html

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+<!DOCTYPE html>
+<html>
+    <script src="/scripts/main.js"></script>
+    Hat geklappt
+</html>