fix: moved helpers to separate folder, added security to usettings (part of #3).

src/helpers/capability.ts

@@ -0,0 +1,79 @@
+import { NextFunction, Request, Response } from "express";
+import { readFileSync } from "fs";
+
+interface Options {
+    "news": boolean,
+    "menu": boolean,
+    "notif": boolean,
+    "groups": boolean,
+    "clean": boolean,
+    "key": boolean
+}
+
+enum Features {
+    News,
+    Menu,
+    Notif,
+    Groups,
+    Clean,
+    Key,
+}
+
+class Settings {
+    private _flags: number = 0
+    public settings: Options;
+    constructor () {
+        this.reloadSettings()
+    }
+    
+    private optionsToFlags() {
+        this._flags = 0
+        this._flags += this.settings.news && 1
+        this._flags += this.settings.menu && 2
+        this._flags += this.settings.notif && 4
+        this._flags += this.settings.groups && 8
+        this._flags += this.settings.clean && 16
+        this._flags += this.settings.key && 32
+    }
+    
+    public reloadSettings() {
+        this.settings = JSON.parse(readFileSync('./config/options.json', 'utf-8'))
+        this.optionsToFlags()    
+    }
+    
+    public get flags() : number {
+        return this._flags;
+    }
+    
+    public mw(f: Features) {
+        return (_req: Request, res: Response, next: NextFunction) => {
+            switch (f) {
+                case Features.News:
+                    if (this.settings.news) return next()
+                    break;
+                case Features.Menu:
+                    if (this.settings.menu) return next()
+                    break;
+                case Features.Notif:
+                    if (this.settings.notif) return next()
+                    break;
+                case Features.Groups:
+                    if (this.settings.groups) return next()
+                    break;
+                case Features.Clean:
+                    if (this.settings.clean) return next()
+                    break;
+                case Features.Key:
+                    if (this.settings.key) return next()
+                    break;
+                default:
+                    break;
+            }
+            res.sendStatus(406)
+        }
+    }
+
+}
+
+export default new Settings()
+export { Features }