2024-02-22 11:57:31 +01:00
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import http from "node:http"
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export class Server {
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constructor(
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port: number,
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options: {
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ignorePathPrefix?: string[]
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},
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handle: {
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mustMatch: string | RegExp
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mimetype: string
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2024-02-22 14:59:05 +01:00
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handle: (path: string, queryParams: URLSearchParams) => Promise<string>
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2024-02-22 11:57:31 +01:00
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}[]
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) {
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handle.push({
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mustMatch: "",
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mimetype: "text/html",
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handle: async () => {
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return `<html><body>Supported endpoints are <ul>${handle
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.filter((h) => h.mustMatch !== "")
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.map((h) => {
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let l = h.mustMatch
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if (typeof h.mustMatch === "string") {
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l = `<a href='${l}'>${l}</a>`
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}
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return "<li>" + l + "</li>"
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})
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.join("")}</ul></body></html>`
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},
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})
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http.createServer(async (req: http.IncomingMessage, res) => {
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try {
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console.log(
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req.method + " " + req.url,
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"from:",
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req.headers.origin,
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new Date().toISOString()
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)
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const url = new URL(`http://127.0.0.1/` + req.url)
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let path = url.pathname
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while (path.startsWith("/")) {
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path = path.substring(1)
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}
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if (options?.ignorePathPrefix) {
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for (const toIgnore of options.ignorePathPrefix) {
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if (path.startsWith(toIgnore)) {
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path = path.substring(toIgnore.length + 1)
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break
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}
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}
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}
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const handler = handle.find((h) => {
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if (typeof h.mustMatch === "string") {
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return h.mustMatch === path
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}
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if (path.match(h.mustMatch)) {
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return true
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}
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})
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if (handler === undefined || handler === null) {
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res.writeHead(404, { "Content-Type": "text/html" })
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res.write("<html><body><p>Not found...</p></body></html>")
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res.end()
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return
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}
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res.setHeader(
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"Access-Control-Allow-Headers",
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"Origin, X-Requested-With, Content-Type, Accept"
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)
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res.setHeader("Access-Control-Allow-Origin", req.headers.origin ?? "*")
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if (req.method === "OPTIONS") {
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res.setHeader(
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"Access-Control-Allow-Methods",
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"POST, GET, OPTIONS, DELETE, UPDATE"
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)
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res.writeHead(204, { "Content-Type": handler.mimetype })
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res.end()
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return
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}
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if (req.method === "POST" || req.method === "UPDATE") {
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return
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}
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if (req.method === "DELETE") {
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return
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}
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try {
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2024-02-22 14:59:05 +01:00
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const result = await handler.handle(path, url.searchParams)
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2024-02-22 11:57:31 +01:00
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res.writeHead(200, { "Content-Type": handler.mimetype })
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res.write(result)
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res.end()
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} catch (e) {
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console.error("Could not handle request:", e)
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res.writeHead(500)
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res.write(e)
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res.end()
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}
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} catch (e) {
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console.error("FATAL:", e)
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res.end()
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}
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}).listen(port)
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console.log(
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"Server is running on port " + port,
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". Supported endpoints are: " + handle.map((h) => h.mustMatch).join(", ")
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)
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}
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}
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