move source files to src folder,

move localdb to config folder,
consolidate vars.js with localdb,
move service scripts to service folder

src/utils.js

@@ -0,0 +1,56 @@
+import { getUsedResources, requestPVE } from "./pve.js";
+import { db } from "./db.js";
+
+export async function checkAuth(cookies, res, vmpath = null) {
+	let auth = false;
+
+	if (db.getUserConfig(cookies.username) === null) {
+		auth = false;
+		res.status(401).send({ auth: auth, path: vmpath ? `${vmpath}/config` : "/version", error: `user ${cookies.username} not found in localdb` });
+		res.end();
+		return false;
+	}
+
+	if (vmpath) {
+		let result = await requestPVE(`/${vmpath}/config`, "GET", cookies);
+		auth = result.status === 200;
+	}
+	else { // if no path is specified, then do a simple authentication
+		let result = await requestPVE("/version", "GET", cookies);
+		auth = result.status === 200;
+	}
+
+	if (!auth) {
+		res.status(401).send({ auth: auth, path: vmpath ? `${vmpath}/config` : "/version", error: `user token did not pass authentication check` });
+		res.end();
+	}
+	return auth;
+}
+
+export async function getUserResources(req, username) {
+	let dbResources = db.getResourceConfig();
+	let used = await getUsedResources(req, dbResources);
+	let max = db.getUserConfig(username).resources.max;
+	let avail = {};
+	Object.keys(max).forEach((k) => {
+		avail[k] = max[k] - used[k];
+	});
+	return { used: used, max: max, avail: avail, units: dbResources };
+}
+
+export async function approveResources(req, username, request) {
+	let avail = (await getUserResources(req, username)).avail;
+	let approved = true;
+	Object.keys(request).forEach((key) => {
+		if (!(key in avail)) { // if requested resource is not in avail, block
+			approved = false;
+		}
+		else if (isNaN(avail[key]) || isNaN(request[key])) { // if either the requested or avail resource is NaN, block
+			approved = false;
+		}
+		else if (avail[key] - request[key] < 0) { // if the avail resources is less than the requested resources, block
+			approved = false;
+		}
+	});
+	return approved; // if all requested resources pass, allow
+}