...
This commit is contained in:
Flummi
parent
a595aea282
commit
d40fb2c5cf
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@ -1,5 +1,3 @@
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import path from "path";
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import fs from "fs";
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import http from "http";
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import { URL } from "url";
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import querystring from "querystring";
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@ -10,90 +8,26 @@ import Tpl from "./template.mjs";
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export { Router, Tpl };
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export default class flummpress {
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#mimes;
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#server;
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constructor() {
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this.router = new Router();
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this.tpl = new Tpl();
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this.middleware = new Set();
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return this;
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};
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use(obj) {
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if(obj instanceof Router) {
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this.router.routes = new Map([ ...this.router.routes, ...obj.routes ]);
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this.router.sortRoutes();
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this.router.use(obj);
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}
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else if(obj instanceof Tpl) {
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this.tpl = obj;
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}
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return this;
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};
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static({ dir = path.resolve() + "/public", route = /^\/public/ }) {
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if(!this.#mimes) {
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this.#mimes = new Map();
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(fs.readFileSync("./mime.types", "utf-8"))
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.split("\n")
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.filter(e => !e.startsWith("#") && e)
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.map(e => e.split(/\s{2,}/))
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.filter(e => e.length > 1)
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.forEach(m => m[1].split(" ").forEach(ext => this.#mimes.set(ext, m[0])));
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else {
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if(!this.middleware.has(obj))
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this.middleware.add(obj);
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}
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this.router.get(route, (req, res) => {
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try {
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const filename = req.url.pathname.replace(route, "") || "index.html";
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const mime = this.#mimes.get(filename.split(".").pop());
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const file = path.join(dir, filename);
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let stat;
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try {
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stat = fs.statSync(file);
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} catch {
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res.reply({
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code: 404,
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body: "404 - file not found."
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});
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return this;
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}
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if(!mime.startsWith("video") && !mime.startsWith("audio")) {
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res.reply({
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type: this.#mimes.get(filename.split(".").pop()).toLowerCase(),
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body: fs.readFileSync(path.join(dir, filename))
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});
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return this;
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}
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if(req.headers.range) {
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const parts = req.headers.range.replace(/bytes=/, "").split("-");
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const start = parseInt(parts[0], 10);
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const end = parts[1] ? parseInt(parts[1], 10) : stat.size - 1;
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res.writeHead(206, {
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"Content-Range": `bytes ${start}-${end}/${stat.size}`,
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"Accept-Ranges": "bytes",
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"Content-Length": (end - start) + 1,
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"Content-Type": mime,
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});
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const stream = fs.createReadStream(file, { start: start, end: end })
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.on("open", () => stream.pipe(res))
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.on("error", err => res.end(err));
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}
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else {
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res.writeHead(200, {
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"Content-Length": stat.size,
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"Content-Type": mime,
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});
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fs.createReadStream(file).pipe(res);
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}
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} catch(err) {
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console.error(err);
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res.reply({
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code: 500,
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body: "500 - f0ck hat keinen b0ck"
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});
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}
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});
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return this;
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};
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@ -109,6 +43,16 @@ export default class flummpress {
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qs: {...querystring.parse(_url.search.substring(1))} // legacy
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};
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req.cookies = {};
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if(req.headers.cookie) {
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req.headers.cookie.split("; ").forEach(c => {
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const parts = c.split('=');
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req.cookies[parts.shift().trim()] = decodeURI(parts.join('='));
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});
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}
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await Promise.all([...this.middleware].map(m => m(req, res)));
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const method = req.method.toLowerCase();
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const route = this.router.getRoute(req.url.pathname, req.method);
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@ -166,6 +110,10 @@ export default class flummpress {
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}) => res.writeHead(code, { "Content-Type": `${type}; charset=utf-8` }).end(body);
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res.json = msg => res.reply({ type: "application/json", body: msg });
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res.html = msg => res.reply({ type: "text/html", body: msg });
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res.redirect = (target, code = 307) => res.writeHead(code, {
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"Cache-Control": "no-cache, public",
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"Location": target
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}).end();
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return res;
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};
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101
src/router.mjs
101
src/router.mjs
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@ -1,9 +1,27 @@
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import fs from "fs";
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import path from "path";
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import Tpl from "./template.mjs";
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export default class Router {
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#mimes;
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constructor() {
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this.routes = new Map();
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return this;
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};
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async importRoutesFromPath(p, tpl = false) {
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await Promise.all(
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fs.readdirSync(path.resolve() + "/" + p)
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.filter(r => r.endsWith(".mjs"))
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.map(async r => {
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const tmp = (await import(`${path.resolve()}/${p}/${r}`)).default(this, tpl);
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this.use(tmp);
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})
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);
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return this;
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};
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group(path, cb) {
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const methods = {
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get: this.get.bind(this),
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@ -25,6 +43,16 @@ export default class Router {
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return this;
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};
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use(obj) {
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if(obj instanceof Router) {
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this.routes = new Map([ ...this.routes, ...obj.routes ]);
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this.sortRoutes();
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}
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if(obj instanceof Tpl) {
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this.tpl = obj;
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}
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}
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get(path, ...args) {
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if(args.length === 1)
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this.registerRoute(path, args[0], "get");
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@ -53,7 +81,7 @@ export default class Router {
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this.sortRoutes();
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return this;
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};
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getRoute(path, method) {
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method = method.toLowerCase();
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return [...this.routes.entries()].filter(r => {
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@ -65,4 +93,75 @@ export default class Router {
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this.routes = new Map([...this.routes.entries()].sort().reverse());
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return this;
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};
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readMimes(file = "/etc/mime.types") {
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this.#mimes = new Map();
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(fs.readFileSync(file, "utf-8"))
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.split("\n")
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.filter(e => !e.startsWith("#") && e)
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.map(e => e.split(/\s{2,}/))
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.filter(e => e.length > 1)
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.forEach(m => m[1].split(" ").forEach(ext => this.#mimes.set(ext, m[0])));
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};
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static({ dir = path.resolve() + "/public", route = /^\/public/ }) {
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if(!this.#mimes)
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this.readMimes();
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this.get(route, (req, res) => {
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try {
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const filename = req.url.pathname.replace(route, "") || "index.html";
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const mime = this.#mimes.get(filename.split(".").pop());
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const file = path.join(dir, filename);
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let stat;
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try {
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stat = fs.statSync(file);
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} catch(err) {
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console.log(err);
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res.reply({
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code: 404,
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body: "404 - file not found."
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});
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return this;
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}
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if(!mime.startsWith("video") && !mime.startsWith("audio")) {
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res.reply({
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type: this.#mimes.get(filename.split(".").pop()).toLowerCase(),
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body: fs.readFileSync(path.join(dir, filename))
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});
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return this;
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}
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if(req.headers.range) {
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const parts = req.headers.range.replace(/bytes=/, "").split("-");
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const start = parseInt(parts[0], 10);
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const end = parts[1] ? parseInt(parts[1], 10) : stat.size - 1;
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res.writeHead(206, {
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"Content-Range": `bytes ${start}-${end}/${stat.size}`,
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"Accept-Ranges": "bytes",
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"Content-Length": (end - start) + 1,
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"Content-Type": mime,
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});
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const stream = fs.createReadStream(file, { start: start, end: end })
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.on("open", () => stream.pipe(res))
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.on("error", err => res.end(err));
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}
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else {
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res.writeHead(200, {
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"Content-Length": stat.size,
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"Content-Type": mime,
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});
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fs.createReadStream(file).pipe(res);
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}
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} catch(err) {
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console.error(err);
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res.reply({
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code: 500,
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body: "500 - internal server error"
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});
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}
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});
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return this;
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};
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};
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105
src/template.mjs
105
src/template.mjs
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@ -2,38 +2,108 @@ import fs from "fs";
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import path from "path";
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export default class {
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#views;
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#globals;
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#cache;
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#templates;
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#debug;
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constructor() {
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this.views = path.resolve() + "/views";
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this.#views = "./views";
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this.#globals = {};
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this.#debug = false;
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this.#cache = true;
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this.#templates = new Map();
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};
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getTemplate(tpl) {
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return fs.readFileSync(`${this.views}/${tpl}.html`, "utf-8");
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set debug(d) {
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this.#debug = !!d;
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};
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set views(v) {
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this.#views = v;
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this.readdir(v);
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};
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set globals(g) {
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this.#globals = g;
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};
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set cache(c) {
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this.#cache = !!c;
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};
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readdir(dir, root = dir) {
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for(const d of fs.readdirSync(`${path.resolve()}/${dir}`)) {
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if(d.endsWith(".html")) { // template
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const file = path.parse(`${dir.replace(this.#views, '')}/${d}`);
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const t_dir = file.dir.substring(1);
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const t_file = file.name;
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this.getTemplate(!t_dir ? t_file : `${t_dir}/${t_file}`);
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}
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else { // directory
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this.readdir(`${dir}/${d}`, root);
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}
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}
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}
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render(tpl, data = {}) {
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getTemplate(tpl) {
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let template = {};
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let cache = false;
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if(this.#cache && this.#templates.has(tpl)) {
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template = this.#templates.get(tpl);
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cache = template.cached;
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}
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else {
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template = {
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code: fs.readFileSync(`${this.#views}/${tpl}.html`, "utf-8"),
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cached: new Date()
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};
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this.#templates.set(tpl, template);
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}
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return [
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template.code,
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(this.#debug ? `<!-- ${tpl}.html ` + (cache ? `cached ${template.cached}` : `not cached`) + " -->" : "")
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].join("");
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};
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render(file, data = {}, locals) {
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data = { ...data, ...this.#globals, ...locals };
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try {
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const code = 'with(_data){const __html = [];' +
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'__html.push(\`' +
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tpl.replace(/[\t]/g, ' ')
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.replace(/'(?=[^\{]*}})/, '\t')
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this.getTemplate(file)
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.replace(/[\t]/g, ' ')
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.split('\`').join('\\\`')
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.split('\t').join('\`')
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.replace(/{{=(.+?)}}/g, '\`,$1,\`')
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.replace(/{{-(.+?)}}/g, '\`,this.escape($1),\`')
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.replace(/{{include (.*?)}}/g, (_, inc) => this.render(this.getTemplate(inc), data))
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.replace(/{{each (?<key>.*) as (?<val>.*)}}/g, (_, key, val) => `\`);this.forEach(${key},(${val},key)=>{__html.push(\``)
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.replace(/{{\/each}}/g, "\`);});__html.push(`")
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.split('{{').join('\`);')
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.split('}}').join('__html.push(\`')
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+ '\`);return __html.join(\'\').replace(/\\n\\s*\\n/g, "\\n");}';
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.replace(/{{--(.*?)--}}/g, "") // comments
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.replace(/{{(.+?)}}/g, '\`,$1,\`') // yield variable
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.replace(/{!!(.+?)!!}/g, '\`,this.escape($1),\`') // yield escaped variable
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.replace(/@js/g, "`);") // inject bare javascript
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.replace(/@endjs/g, ";__html.push(`")
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.replace(/@include\((.*?)\)/g, (_, inc) => this.render(inc, data)) // include template
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.replace(/@for\((.*?)\)$/gm, `\`);for($1){__html.push(\``)
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.replace(/@endfor/g, `\`);}__html.push(\``)
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.replace(/@each\((.*?) as (.*?)\)/g, `\`);this.forEach($1,($2,key)=>{__html.push(\``) // foreach for the poor
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.replace(/@endeach/g, "\`);});__html.push(`")
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.replace(/@elseif\((.*?)\)(\)?)/g, `\`);}else if($1$2){__html.push(\``) // if lol
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.replace(/@if\((.*?)\)(\)?)/g, `\`);if($1$2){__html.push(\``)
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.replace(/@else/g, "`);}else{__html.push(`")
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.replace(/@endif/g, "`);}__html.push(`") +
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'\`);return __html.join(\'\').replace(/\\n\\s*\\n/g, "\\n");}';
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return (new Function("_data", code)).bind({
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escape: this.escape,
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forEach: this.forEach
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})(data);
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} catch(err) {
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console.log(err);
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return err.message;
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console.log(file, err.message);
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return (this.#debug ? `${err.message} in ${file}` : '');
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}
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};
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escape(str) {
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return (str + '')
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.replace(/&/g, '&')
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@ -45,6 +115,7 @@ export default class {
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.replace(/}/g, '}')
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;
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};
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forEach(o, f) {
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if(Array.isArray(o))
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o.forEach(f);
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