forked from MapComplete/MapComplete
184 lines
6.1 KiB
TypeScript
184 lines
6.1 KiB
TypeScript
import * as fs from "node:fs"
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import * as http from "node:http"
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import * as path from "node:path"
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import ScriptUtils from "./ScriptUtils"
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import * as meta from "../package.json"
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import { ServerResponse } from "http"
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const PORT = 1235
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const CORS = "http://localhost:1234,https://mapcomplete.org,https://dev.mapcomplete.org"
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const MIME_TYPES = {
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default: "application/octet-stream",
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html: "text/html; charset=UTF-8",
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js: "application/javascript",
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css: "text/css",
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png: "image/png",
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jpg: "image/jpg",
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gif: "image/gif",
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ico: "image/x-icon",
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svg: "image/svg+xml",
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json: "application/json",
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}
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const STATIC_PATH = path.join(process.cwd(), "./assets")
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async function prepareFile(url: string): Promise<string> {
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const paths = [STATIC_PATH, url]
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if (url.endsWith("/")) paths.push("index.html")
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const filePath = path.join(...paths)
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if (fs.existsSync(filePath)) {
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return fs.readFileSync(filePath, "utf8")
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}
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while (url.startsWith("/")) {
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url = url.slice(1)
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}
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const sliced = url.split("/").slice(1)
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if (!sliced) {
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return
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}
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const backupFile = path.join(STATIC_PATH, ...sliced)
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console.log("Using backup path", backupFile)
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if (fs.existsSync(backupFile)) {
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return fs.readFileSync(backupFile, "utf8")
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}
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return null
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}
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async function handleDelete(req: http.IncomingMessage, res: ServerResponse) {
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let body = ""
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req.on("data", (chunk) => {
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body = body + chunk
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})
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const paths = req.url.split("/")
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console.log("Got a valid delete to:", paths.join("/"))
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for (let i = 1; i < paths.length; i++) {
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const p = paths.slice(0, i)
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const dir = STATIC_PATH + p.join("/")
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if (!fs.existsSync(dir)) {
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res.writeHead(304, { "Content-Type": MIME_TYPES.html })
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res.write("<html><body>No parent directory, nothing deleted</body></html>", "utf8")
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res.end()
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return
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}
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}
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const path = STATIC_PATH + paths.join("/")
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if(!fs.existsSync(path)){
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res.writeHead(304, { "Content-Type": MIME_TYPES.html })
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res.write("<html><body>File not found</body></html>", "utf8")
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res.end()
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return
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}
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fs.renameSync(path, path+".bak")
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res.writeHead(200, { "Content-Type": MIME_TYPES.html })
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res.write("<html><body>File moved to backup</body></html>", "utf8")
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res.end()
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}
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async function handlePost(req: http.IncomingMessage, res: ServerResponse) {
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let body = ""
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req.on("data", (chunk) => {
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body = body + chunk
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})
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await new Promise((resolve) => req.on("end", resolve))
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console.log(new Date().toISOString())
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let parsed: any
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try {
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parsed = JSON.parse(body)
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} catch (e) {
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console.error("ERROR: probably did not receive the full JSON", e)
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res.writeHead(400, { "Content-Type": MIME_TYPES.html })
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res.write("<html><body>Invalid JSON:" + e + "</body></html>", "utf8")
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res.end()
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return
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}
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const paths = req.url.split("/")
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console.log("Got a valid update to:", paths.join("/"))
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for (let i = 1; i < paths.length; i++) {
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const p = paths.slice(0, i)
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const dir = STATIC_PATH + p.join("/")
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if (!fs.existsSync(dir)) {
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console.log("Creating new directory", dir)
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fs.mkdirSync(dir)
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}
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}
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const path = STATIC_PATH + paths.join("/")
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fs.writeFileSync(path, JSON.stringify(parsed, null, " "))
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res.writeHead(200, { "Content-Type": MIME_TYPES.html })
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res.write("<html><body>OK</body></html>", "utf8")
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res.end()
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return
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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(req.method + " " + req.url, "from:", req.headers.origin, new Date().toISOString())
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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("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, UPDATE")
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res.writeHead(204, { "Content-Type": MIME_TYPES.html })
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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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await handlePost(req, res)
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return
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}
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if(req.method === "DELETE"){
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console.log("Got a DELETE", new Date())
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await handleDelete(req, res)
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return
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}
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const url = new URL(`http://127.0.0.1/` + req.url)
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console.log("URL pathname is")
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if (url.pathname.endsWith("overview")) {
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console.log("Giving overview")
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let userId = url.searchParams.get("userId")
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const allFiles = ScriptUtils.readDirRecSync(STATIC_PATH)
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.filter(
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(p) =>
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p.endsWith(".json") &&
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!p.endsWith("license_info.json") &&
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(p.startsWith("layers") ||
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p.startsWith("themes") ||
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userId !== undefined ||
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p.startsWith(userId))
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)
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.map((p) => p.substring(STATIC_PATH.length + 1))
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res.writeHead(200, { "Content-Type": MIME_TYPES.json })
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res.write(JSON.stringify({ allFiles }))
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res.end()
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return
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}
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const file = await prepareFile(req.url)
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if (file === null) {
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res.writeHead(404, { "Content-Type": MIME_TYPES.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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const statusCode = 200
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const mimeType = MIME_TYPES.json || MIME_TYPES.default
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res.writeHead(statusCode, { "Content-Type": mimeType })
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res.write(file)
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res.end()
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} catch (e) {
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console.error(e)
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}
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}).listen(PORT)
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console.log(
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`Server started at http://127.0.0.1:${PORT}/, the time is ${new Date().toISOString()}, version from package.json is ${
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meta.version
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}`
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)
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